Dutch Defence: Difference between revisions

Dutch Defence
7	7
6	6
5	5
4	4
3	3
2	2
1	1
Moves	1.d4 f5
ECO	A80–A99
Named after	Elias Stein, Nouvel essai sur le jeu des échecs, avec des réflexions militaires relatives à ce jeu, 1789
Parent	Queen's Pawn Game

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The Dutch Defence is a chess opening characterised by the moves:

1. d4 f5

Black's 1...f5 stakes a claim to the e4-square and envisions an attack in the middlegame on White's kingside; however, it also weakens Black's kingside to an extent (especially the e8–h5 diagonal).^[1] Like its 1.e4 counterpart, the Sicilian Defence, the Dutch is an aggressive and unbalancing opening, resulting in the lowest percentage of draws among the most common replies to 1.d4.^[2] Historically, White has tried many methods to exploit the kingside weaknesses, such as the Staunton Gambit (2.e4) and Korchnoi Attack (2.h3 and 3.g4).

The Dutch has never been a main line against 1.d4 and is rarely seen today in high-level competition, although a number of top players, including Alexander Alekhine, Bent Larsen, Paul Morphy, Miguel Najdorf, Simon Williams, and Hikaru Nakamura^[3] have used it with success. Its most notable use may have been in 1951, when both world champion Mikhail Botvinnik and his challenger, David Bronstein, played it in their 1951 World Championship match.

History

Elias Stein (1748–1812), an Alsatian who settled in The Hague, recommended the defence as the best reply to 1.d4 in his 1789 book Nouvel essai sur le Jeu des échecs, avec des réflexions militaires relatives à ce jeu.^[4]

Siegbert Tarrasch rejected the opening as unsound in his 1931 work The Game of Chess, arguing that White should reply with the Staunton Gambit, with White being better after 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 c6 5.f3! exf3.^[5]

Theory

White most often fianchettoes the king's bishop with g3 and Bg2. Black also sometimes fianchettoes the king's bishop with ...g6 and ...Bg7 (the Leningrad Dutch), but may instead develop the bishop to e7, d6 (after ...d5), or b4 (the latter is most often seen if White plays c4 before castling). Play often runs 2.g3 Nf6 3.Bg2 e6 4.Nf3 (4.Nh3!? is also possible, intending Nf4–d3 to control the e5-square Black plays the Stonewall Variation) 4...Be7 5.0-0 0-0 6.c4 and now Black chooses between 6...d5 (the characteristic move of the Stonewall), 6...d6, the Ilyin-Zhenevsky Variation (less popular today), or Alekhine's move 6...Ne4!? retaining the option of moving the d-pawn either one or two squares.

The opening's attacking potential is shown in the Polish Immortal, in which Miguel Najdorf, using the Stonewall Variation, sacrificed all of his minor pieces to win by checkmate.

Main Theoretical Variations in the Dutch Defense

The following are several known main variations which are important to know if one wants to really learn and understand the Dutch Defense.

The Leningrad Dutch, in the Leningrad variation of the Dutch Defense, black fianchettos the dark-squared bishop. From g7, this bishop will not only be a good defender of the king, but also an active piece on the long diagonal.

The game may proceed 1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 0-0 6. Nf3 d6 7. 0-0 Qe8. The g2 bishop helps protect white’s king against black’s possible kingside aggression, and this bishop would possible be blunted by the f5 pawn if it were instead to develop to d3.

The opening code for the Leningrad Dutch in the Dutch Defense is A87 to A89 in the ECO (Encyclopaedia of Chess Openings) classification system.

A87: Dutch Defense, Leningrad System
A88: Dutch Defense, Leningrad System with ...d6 and ...c6
A89: Dutch Defense, Leningrad System with ...d6 and ...Nc6

The second variation is The Stonewall Dutch in which black plays …d5 in the opening and secures a tight grip of the e4 square. A possible example is 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. c4 c6.

The ECO codes for the Stonewall variation of the Dutch Defense are A90 to A92:

A90: Dutch Defense, Stonewall variation
A91: Dutch Defense, Stonewall variation with Nc3
A92: Dutch Defense, Stonewall variation with c4 and Nc3

The third variation is The Staunton Gambit, a fairly combative approach with Black's pawn sacrifice after 2. e4!?.

The Staunton Gambit is an aggressive attempt by White to sacrifice a pawn in exchange for rapid development and attacking chances against Black's Dutch setup.

The ECO code for the Staunton Gambit in the Dutch Defense is A83.

Of course, like any other opening in chess, there are countless variations and lines, but the above three are considered part of the main theory of the Dutch Defense.

Practitioners

The Stonewall Dutch enjoyed a resurgence of interest in the 1980s and 1990s, when leading grandmasters (GMs) Artur Yusupov, Sergey Dolmatov, Nigel Short and Simen Agdestein helped develop the system where Black plays an earlier ...d5 and places his dark-squared bishop on d6.^[6] Termed the Modern Stonewall, this setup has remained more popular than the traditional early ...Be7.

Magnus Carlsen has used the Stonewall to score wins against Viswanathan Anand^[7] and Fabiano Caruana.^[8]

Simon Williams is one of the leading practitioners of the classical Dutch^{[citation needed]} and wrote more than one book on the opening.^[9]

White continuations

	a	b	c	d	e	f	g	h
8									8
7									7
6									6
5									5
4									4
3									3
2									2
1									1
	a	b	c	d	e	f	g	h

Position after 2.g3 Nf6 3.Bg2 g6 4.Nf3 Bg7 5.0-0 0-0 6.c4 d6

The traditional move order involves White playing 2.c4. More commonly, White will start with 2.g3. Some common variations are: c4 is played after g3 and Bg2; c4 is played after Nf3; and c4 is played after 0-0.

Examples:

traditional: 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 0-0 6.0-0 d6
common: 2.g3 Nf6 3.Bg2 g6 4.Nf3 Bg7 5.0-0 0-0 6.c4 d6 (see diagram)

Other second moves

White has various more aggressive alternatives to the standard moves, including

2.Nc3 Nf6 (or 2...d5) 3.Bg5, the Raphael Variation
2.Bg5, the Hopton Attack; e.g. 2...Nf6 (2...g6 is the most popular move) 3. Bxf6 exf6 4. e3 or e4
2.Bf4 or 2.Nf3 and 3.Bf4, the London System
2.g4, Krejcik Gambit
2.e4!?, the Staunton Gambit, named after Howard Staunton, who introduced it in his match against Bernhard Horwitz.^[10]^[11] The Staunton Gambit was once a feared attacking line,^[12] but it has been out of favour for over 80 years.^[13] GM Larry Christiansen and International Master Jeremy Silman have opined that it "offers White equality at best."^[14]
Carl Mayet introduced a completely different gambit approach to the Dutch in 1839 against von der Lasa, playing 2.h3 followed by 3.g4.^[15] Von der Lasa later published analysis of this line in the first edition of the Handbuch des Schachspiels.^[16]^[17] Viktor Korchnoi, one of the world's leading players, reintroduced the line into tournament practice in Korchnoi–Känel, Biel 1979.^[18] GM Christiansen later concluded, as von der Lasa and Staunton had done over 140 years earlier, that Black could get a good game by declining the gambit with 2...Nf6 3.g4 d5!^[19]
2.Qd3, the Alapin Variation

Black sometimes starts with the move order 1...e6 to avoid these lines, although Black must then be ready to play the French Defence if White continues 2.e4, rendering the Dutch no longer an option. The Staunton Gambit remains a good choice of opening for White in blitz tournaments where Black has little time to ponder the most accurate defense.

ECO

The Encyclopaedia of Chess Openings (ECO) has twenty codes for the Dutch Defence, A80 through A99.

A80: 1.d4 f5
A81: 1.d4 f5 2.g3 (Fianchetto Attack)
A82: 1.d4 f5 2.e4 (Staunton Gambit)
A83: 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 (Staunton Gambit)
A84: 1.d4 f5 2.c4
A85: 1.d4 f5 2.c4 Nf6 3.Nc3 (Rubinstein Variation)
A86: 1.d4 f5 2.c4 Nf6 3.g3 (Fianchetto Variation)
A87: 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 (Leningrad Dutch)
A88: 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 0-0 6.0-0 d6 7.Nc3 c6 (Leningrad Dutch, Warsaw Variation)
A89: 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 0-0 6.0-0 d6 7.Nc3 Nc6 (Leningrad Dutch, Matulovich)
A90: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 (Classical Variation)
A91: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7
A92: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 0-0
A93: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 0-0 6.0-0 d5 7.b3 (Botvinnik Variation)
A94: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 0-0 6.0-0 d5 7.b3 c6 8.Ba3 (Stonewall)
A95: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 0-0 6.0-0 d5 7.Nc3 c6 (Stonewall)
A96: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 0-0 6.0-0 d6
A97: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 0-0 6.0-0 d6 7.Nc3 Qe8 (Ilyin–Genevsky Variation)
A98: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 0-0 6.0-0 d6 7.Nc3 Qe8 8.Qc2 (Ilyin–Genevsky Variation)
A99: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 0-0 6.0-0 d6 7.Nc3 Qe8 8.b3 (Ilyin–Genevsky Variation)

References

^ See this trap for a dramatic example.
^ "Chess Opening Explorer". Retrieved 17 July 2017.
^ "Hikaru Nakamura playing the Dutch Defense as Black". www.chessgames.com.
^ Stein, Elias (1789). Nouvel Essai sur le Jeu des Échecs: avec des Reflexions Militaires Relatives à ce Jeu [New Essay on the Game of Chess, with Military Reflections Regarding This Game] (in French). La Haye, France: (Self-published). pp. 114–115. The Dutch defence is presented on p. 114: "Dix-huitieme Partie. Celui qui n'a pas la Trait ne veut pas recevoir le Gambit de la Dame. 1. B. Le P. de la D. 2 pas. N. Le P. du F. du R. 2 pas (a). 2. B. Le P. du F. de la D. 2 pas. N. Le C. du R. à la 3me case de son F." (18th Game. He who does not have the Treatise does not want to get the Queen's Gambit. 1. White: the Queen's pawn advances 2 squares; Black: the King's bishop pawn advances 2 squares (a) 2. White: the Queen's bishop pawn advances 2 squares; Black: The King's knight advances to the third square, in front of his [i.e., the King's] bishop.) From p. 115: "(a) On a déja vu que, quand on ne veut pas recevoir le Gambit du Roi, on doit pousser, au second coup, le pion de la Dame deux pas. De même vous devez observer que, lorsque votre adversaire commence par débuter au premier coup en poussant son pion de la Dame, deux pas, vous ne pouvez mieux faire que de pousser le pion du Fou du Roi deux pas." ( (a) One has already seen that when one does not want to get the King's Gambit, one should push, on the second move, the Queen's pawn two squares. Likewise, you should note that when your opponent begins on the first move by pushing his Queen's pawn two squares, you cannot do better than to push your King's bishop pawn two squares.)
^ Tarrasch, Siegbert (1987) [1934]. The Game of Chess. Courier Dover Publications. p. 348. ISBN 978-0-486-25447-0.
^ Johnsen, Sverre; Bern, Ivar (2010). Win with the Stonewall Dutch. Gambit. p. 6. ISBN 978-1-906454-07-4.
^ "Anand Hits The Wall". Retrieved 12 February 2018.
^ "Shamkir R3: Carlsen shows who's boss". Retrieved 12 February 2018.
^
- Williams, Simon (2003). Play The Classical Dutch. Gambit Publications. ISBN 978-1-901983-88-3.
- Palliser, Richard; Williams, Simon; Vigus, James (2010). Dangerous Weapons: The Dutch. Everyman Chess. ISBN 978-1-85744-624-1.
- Williams, Simon (2013). Killer Dutch - The Book. GingerGM and EPlus Books. ISBN 978-1-927179-15-4.
- Williams, Simon (2015). The Killer Dutch. Everyman Chess. ISBN 9781781942420.
^ "Howard Staunton vs. Bernard Horwitz, 3rd match game, London 1846". Chessgames.com. Retrieved 2008-07-01.
^ Hooper, David; Whyld, Kenneth (1996) [First pub. 1992]. The Oxford Companion to Chess (2nd ed.). Oxford University Press. p. 393. ISBN 0-19-866164-9.
^ In 1939, Fine wrote that, "The Staunton Gambit ... offers White considerable attacking chances." Fine, R.; Griffith, R.C.; White, J.H. (1939). Modern Chess Openings, 6th edition. David McKay. p. 176. In 1964, Horowitz wrote that the Staunton Gambit gives White "sharp attacking chances for his Pawn" and places the opponent at a psychological disadvantage by requiring Black to renounce his aggressive intentions and "resign himself to an accurate and stubborn defense".Horowitz, I.A. (1964). Chess Openings: Theory and Practice. Simon and Schuster. p. 611. More recent writers have observed that fear of the Staunton Gambit has discouraged many players from using the Dutch. Yet many have used it anyway Christiansen, L.; Silman, J. (1989). The Dutch Defense. Chess Digest. p. 192. ISBN 0-87568-178-6.; Schiller, E.; Bill Colias (1993). How to Play Black Against the Staunton Gambit. Chess Digest. p. 4. ISBN 0-87568-236-7.
^ In 1925, the editors of the Fourth Edition of Modern Chess Openings (MCO-4) wrote that the Staunton Gambit "has fallen out of favour for no clear reason". Griffith, R.C.; White, J.H. and M.E. Goldstein (1925). Modern Chess Openings, 4th edition. Whitehead & Miller. p. 120. In 1939, Fine wrote in MCO-6, "The Staunton Gambit fell out of favour some time ago and still remains so ... ." Fine, R.; Griffith, R.C.; White, J.H. (1939). Modern Chess Openings, 6th edition. David McKay. p. 176. GM Nick de Firmian writes in MCO-15 (2008) that the Staunton Gambit "is not in much favor today". de Firmian, N. (2008). Modern Chess Openings, 15th edition. Random House. p. 494. ISBN 978-0-8129-3682-7.
^ Christiansen, L.; Silman, J. (1989). The Dutch Defense. Chess Digest. p. 192. ISBN 0-87568-178-6.
^ von der Lasa, T. (1859). Berliner Schach-Erinnerungen. Verlag von Veit & Co, Leipzig. pp. 79–80.
^ Bilguer, P. (1843). Handbuch des Schachspiels. Verlag von Veit & Co, Berlin. pp. 234–35, section 3, rows 4–6. ISBN 9785879246339.
^ Alan L. Watson (1995). The Anti-Dutch Spike: g4! in the Krejcik, Korchnoi, and Alapin Variations. Blackmar Press. p. 36. ISBN 0-9619606-2-0.
^ "Viktor Korchnoi vs. Hansjuerg Kaenel, Biel 1979". Chessgames.com.
^ Christiansen, L.; Silman, J. (1989). The Dutch Defense. Chess Digest. p. 144. ISBN 0-87568-178-6.

External links

[1] See this trap for a dramatic example.

[2] "Chess Opening Explorer". Retrieved 17 July 2017.

[3] "Hikaru Nakamura playing the Dutch Defense as Black". www.chessgames.com.

[4] Stein, Elias (1789). Nouvel Essai sur le Jeu des Échecs: avec des Reflexions Militaires Relatives à ce Jeu [New Essay on the Game of Chess, with Military Reflections Regarding This Game] (in French). La Haye, France: (Self-published). pp. 114–115. The Dutch defence is presented on p. 114: "Dix-huitieme Partie. Celui qui n'a pas la Trait ne veut pas recevoir le Gambit de la Dame. 1. B. Le P. de la D. 2 pas. N. Le P. du F. du R. 2 pas (a). 2. B. Le P. du F. de la D. 2 pas. N. Le C. du R. à la 3me case de son F." (18th Game. He who does not have the Treatise does not want to get the Queen's Gambit. 1. White: the Queen's pawn advances 2 squares; Black: the King's bishop pawn advances 2 squares (a) 2. White: the Queen's bishop pawn advances 2 squares; Black: The King's knight advances to the third square, in front of his [i.e., the King's] bishop.) From p. 115: "(a) On a déja vu que, quand on ne veut pas recevoir le Gambit du Roi, on doit pousser, au second coup, le pion de la Dame deux pas. De même vous devez observer que, lorsque votre adversaire commence par débuter au premier coup en poussant son pion de la Dame, deux pas, vous ne pouvez mieux faire que de pousser le pion du Fou du Roi deux pas." ( (a) One has already seen that when one does not want to get the King's Gambit, one should push, on the second move, the Queen's pawn two squares. Likewise, you should note that when your opponent begins on the first move by pushing his Queen's pawn two squares, you cannot do better than to push your King's bishop pawn two squares.)

[5] Tarrasch, Siegbert (1987) [1934]. The Game of Chess. Courier Dover Publications. p. 348. ISBN 978-0-486-25447-0.

[6] Johnsen, Sverre; Bern, Ivar (2010). Win with the Stonewall Dutch. Gambit. p. 6. ISBN 978-1-906454-07-4.

[7] "Anand Hits The Wall". Retrieved 12 February 2018.

[8] "Shamkir R3: Carlsen shows who's boss". Retrieved 12 February 2018.

[9] 
Williams, Simon (2003). Play The Classical Dutch. Gambit Publications. ISBN 978-1-901983-88-3.

Palliser, Richard; Williams, Simon; Vigus, James (2010). Dangerous Weapons: The Dutch. Everyman Chess. ISBN 978-1-85744-624-1.

Williams, Simon (2013). Killer Dutch - The Book. GingerGM and EPlus Books. ISBN 978-1-927179-15-4.

Williams, Simon (2015). The Killer Dutch. Everyman Chess. ISBN 9781781942420.

[10] Williams, Simon (2003). Play The Classical Dutch. Gambit Publications. ISBN 978-1-901983-88-3.

[11] Palliser, Richard; Williams, Simon; Vigus, James (2010). Dangerous Weapons: The Dutch. Everyman Chess. ISBN 978-1-85744-624-1.

[12] Williams, Simon (2013). Killer Dutch - The Book. GingerGM and EPlus Books. ISBN 978-1-927179-15-4.

[13] Williams, Simon (2015). The Killer Dutch. Everyman Chess. ISBN 9781781942420.

[10] "Howard Staunton vs. Bernard Horwitz, 3rd match game, London 1846". Chessgames.com. Retrieved 2008-07-01.

[11] Hooper, David; Whyld, Kenneth (1996) [First pub. 1992]. The Oxford Companion to Chess (2nd ed.). Oxford University Press. p. 393. ISBN 0-19-866164-9.

[12] In 1939, Fine wrote that, "The Staunton Gambit ... offers White considerable attacking chances." Fine, R.; Griffith, R.C.; White, J.H. (1939). Modern Chess Openings, 6th edition. David McKay. p. 176. In 1964, Horowitz wrote that the Staunton Gambit gives White "sharp attacking chances for his Pawn" and places the opponent at a psychological disadvantage by requiring Black to renounce his aggressive intentions and "resign himself to an accurate and stubborn defense".Horowitz, I.A. (1964). Chess Openings: Theory and Practice. Simon and Schuster. p. 611. More recent writers have observed that fear of the Staunton Gambit has discouraged many players from using the Dutch. Yet many have used it anyway Christiansen, L.; Silman, J. (1989). The Dutch Defense. Chess Digest. p. 192. ISBN 0-87568-178-6.; Schiller, E.; Bill Colias (1993). How to Play Black Against the Staunton Gambit. Chess Digest. p. 4. ISBN 0-87568-236-7.

[13] In 1925, the editors of the Fourth Edition of Modern Chess Openings (MCO-4) wrote that the Staunton Gambit "has fallen out of favour for no clear reason". Griffith, R.C.; White, J.H. and M.E. Goldstein (1925). Modern Chess Openings, 4th edition. Whitehead & Miller. p. 120. In 1939, Fine wrote in MCO-6, "The Staunton Gambit fell out of favour some time ago and still remains so ... ." Fine, R.; Griffith, R.C.; White, J.H. (1939). Modern Chess Openings, 6th edition. David McKay. p. 176. GM Nick de Firmian writes in MCO-15 (2008) that the Staunton Gambit "is not in much favor today". de Firmian, N. (2008). Modern Chess Openings, 15th edition. Random House. p. 494. ISBN 978-0-8129-3682-7.

[14] Christiansen, L.; Silman, J. (1989). The Dutch Defense. Chess Digest. p. 192. ISBN 0-87568-178-6.

[15] von der Lasa, T. (1859). Berliner Schach-Erinnerungen. Verlag von Veit & Co, Leipzig. pp. 79–80.

[16] Bilguer, P. (1843). Handbuch des Schachspiels. Verlag von Veit & Co, Berlin. pp. 234–35, section 3, rows 4–6. ISBN 9785879246339.

[17] Alan L. Watson (1995). The Anti-Dutch Spike: g4! in the Krejcik, Korchnoi, and Alapin Variations. Blackmar Press. p. 36. ISBN 0-9619606-2-0.

[18] "Viktor Korchnoi vs. Hansjuerg Kaenel, Biel 1979". Chessgames.com.

[19] Christiansen, L.; Silman, J. (1989). The Dutch Defense. Chess Digest. p. 144. ISBN 0-87568-178-6.

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@@ Line 25: / Line 25: @@
 The '''Dutch Defence''' is a [[chess opening]] characterised by the moves:
-:1. [[b:Chess Opening Theory/1. d4|d4]] [[b:Chess Opening Theory/1. d4/1...f5|f5]]
+: 1. [[b:Chess Opening Theory/1. d4|d4]] [[b:Chess Opening Theory/1. d4/1...f5|f5]]
-Black's 1...f5 stakes a claim to the e4-square and envisions an attack in the [[chess middlegame|middlegame]] on White's {{chessgloss|kingside}}; however, it also weakens Black's kingside some (especially the e8–h5 diagonal).<ref>See [[Fool's mate#Teed vs. Delmar|this trap]] for a dramatic example.</ref> Like its 1.e4 counterpart, the [[Sicilian Defence]], the Dutch is an aggressive and unbalancing opening, resulting in the lowest percentage of draws among the most common replies to 1.d4.<ref>{{cite web|url=http://www.chessgames.com/perl/explorer?node=10703&move=1.5&moves=d4&nodes=10703|title=Chess Opening Explorer|access-date=17 July 2017}}</ref> Historically, White has tried many methods to exploit the kingside weaknesses, such as the [[Staunton Gambit]] (2.e4) and Korchnoi Attack (2.h3 and 3.g4).
+Black's 1...f5 stakes a claim to the e4-square and envisions an attack in the [[chess middlegame|middlegame]] on White's {{chessgloss|kingside}}; however, it also weakens Black's kingside to an extent (especially the e8–h5 diagonal).<ref>See [[Fool's mate#Teed vs. Delmar|this trap]] for a dramatic example.</ref> Like its 1.e4 counterpart, the [[Sicilian Defence]], the Dutch is an aggressive and unbalancing opening, resulting in the lowest percentage of draws among the most common replies to 1.d4.<ref>{{cite web|url=http://www.chessgames.com/perl/explorer?node=10703&move=1.5&moves=d4&nodes=10703|title=Chess Opening Explorer|access-date=17 July 2017}}</ref> Historically, White has tried many methods to exploit the kingside weaknesses, such as the [[Staunton Gambit]] (2.e4) and Korchnoi Attack (2.h3 and 3.g4).
-The Dutch has never been a main line against 1.d4 and is rarely seen today{{when|date=February 2021}} in high-level competition, although a number of top players, including [[Alexander Alekhine]], [[Bent Larsen]], [[Paul Morphy]], [[Miguel Najdorf]], and [[Hikaru Nakamura]]<ref>https://www.chessgames.com/perl/chess.pl?page=2&pid=10084&playercomp=black&eco=A81%20A84-A99&title=Hikaru%20Nakamura%20playing%20the%20Dutch%20Defense%20as%20Black</ref> have used it with success. Its most notable use may have been in 1951, when both [[world chess champion|world champion]] [[Mikhail Botvinnik]] and his challenger, [[David Bronstein]], played it in their [[World Chess Championship 1951|1951 World Championship match]].
+The Dutch has never been a main line against 1.d4 and is rarely seen today in high-level competition, although a number of top players, including [[Alexander Alekhine]], [[Bent Larsen]], [[Paul Morphy]], [[Miguel Najdorf]], [[Simon Williams (chess player)|Simon Williams]], and [[Hikaru Nakamura]]<ref>{{Cite web|url=https://www.chessgames.com/perl/chess.pl?page=2&pid=10084&playercomp=black&eco=A81+A84-A99&title=Hikaru+Nakamura+playing+the+Dutch+Defense+as+Black|title=Hikaru Nakamura playing the Dutch Defense as Black|website=www.chessgames.com}}</ref> have used it with success. Its most notable use may have been in 1951, when both [[world chess champion|world champion]] [[Mikhail Botvinnik]] and his challenger, [[David Bronstein]], played it in their [[World Chess Championship 1951|1951 World Championship match]].
 ==History==
-[[Elias Stein (chess player)|Elias Stein]] (1748&ndash;1812), an [[Alsace|Alsatian]] who settled in [[The Hague]], recommended the defence as the best reply to 1.d4 in his 1789 book ''Nouvel essai sur le Jeu des échecs, avec des réflexions militaires relatives à ce jeu''.<ref>{{cite book |last1=Stein |first1=Elias |title=Nouvel Essai sur le Jeu des Échecs: avec des Reflexions Militaires Relatives à ce Jeu |trans-title=New Essay on the Game of Chess, with Military Reflections Regarding This Game |date=1789 |publisher=(Self-published) |location=La Haye, France |pages=114–115 |url=https://books.google.com/books?id=S8QCAAAAYAAJ&pg=PA114 |language=fr}} The Dutch defence is presented on p. 114:  ''"Dix-huitieme Partie.  Celui qui n'a pas la ''Trait'' ne veut pas recevoir le ''Gambit'' de la ''Dame''. 1. B. Le P. de la D. 2 pas.  N. Le P. du F. du R. 2 pas (a).  2. B. Le P. du F. de la D. 2 pas.  N. Le C. du R. à la 3me case de son F."''  (18th Game.  He who does not have the ''Treatise'' does not want to get the ''Queen's Gambit''.  1. White:  the Queen's pawn advances 2 squares ; Black:  the King's bishop pawn advances 2 squares (a)  2. White:  the Queen's bishop pawn advances 2 squares ; Black:  The King's knight advances to the third square, in front of his [i.e., the King's] bishop.)  From p. 115:  ''"(a)  On a déja vu que, quand on ne veut pas recevoir le ''Gambit'' du ''Roi'', on doit pousser, au second coup, le ''pion'' de la ''Dame'' deux pas.  De même vous devez observer que, lorsque votre adversaire commence par débuter au premier coup en poussant son ''pion'' de la ''Dame'', deux pas, vous ne pouvez mieux faire que de pousser le ''pion'' du ''Fou'' du ''Roi'' deux pas."''  ( (a)  One has already seen that when one does not want to get the ''King's Gambit'', one should push, on the second move, the ''Queen's pawn'' two squares.  Likewise, you should note that when your opponent begins on the first move by pushing his ''Queen's pawn'' two squares, you cannot do better than to push your ''King's bishop pawn'' two squares.)</ref>
+[[Elias Stein (chess player)|Elias Stein]] (1748&ndash;1812), an [[Alsace|Alsatian]] who settled in [[The Hague]], recommended the defence as the best reply to 1.d4 in his 1789 book ''Nouvel essai sur le Jeu des échecs, avec des réflexions militaires relatives à ce jeu''.<ref>{{cite book |last1=Stein |first1=Elias |title=Nouvel Essai sur le Jeu des Échecs: avec des Reflexions Militaires Relatives à ce Jeu |trans-title=New Essay on the Game of Chess, with Military Reflections Regarding This Game |date=1789 |publisher=(Self-published) |location=La Haye, France |pages=114–115 |url=https://books.google.com/books?id=S8QCAAAAYAAJ&pg=PA114 |language=fr}} The Dutch defence is presented on p. 114:  ''"Dix-huitieme Partie.  Celui qui n'a pas la ''Trait'' ne veut pas recevoir le ''Gambit'' de la ''Dame''. 1. B. Le P. de la D. 2 pas.  N. Le P. du F. du R. 2 pas (a).  2. B. Le P. du F. de la D. 2 pas.  N. Le C. du R. à la 3me case de son F."''  (18th Game.  He who does not have the ''Treatise'' does not want to get the ''Queen's Gambit''.  1. White:  the Queen's pawn advances 2 squares; Black:  the King's bishop pawn advances 2 squares (a)  2. White:  the Queen's bishop pawn advances 2 squares; Black:  The King's knight advances to the third square, in front of his [i.e., the King's] bishop.)  From p. 115:  ''"(a)  On a déja vu que, quand on ne veut pas recevoir le ''Gambit'' du ''Roi'', on doit pousser, au second coup, le ''pion'' de la ''Dame'' deux pas.  De même vous devez observer que, lorsque votre adversaire commence par débuter au premier coup en poussant son ''pion'' de la ''Dame'', deux pas, vous ne pouvez mieux faire que de pousser le ''pion'' du ''Fou'' du ''Roi'' deux pas."''  ( (a)  One has already seen that when one does not want to get the ''King's Gambit'', one should push, on the second move, the ''Queen's pawn'' two squares.  Likewise, you should note that when your opponent begins on the first move by pushing his ''Queen's pawn'' two squares, you cannot do better than to push your ''King's bishop pawn'' two squares.)</ref>
 [[Siegbert Tarrasch]] rejected the opening as unsound in his 1931 work ''[[The Game of Chess]]'', arguing that White should reply with the [[Staunton Gambit]], with White being better after 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 c6 5.f3{{chesspunc|!}} exf3.<ref>{{cite book |title=The Game of Chess |last=Tarrasch |first=Siegbert |author-link=Siegbert Tarrasch |year= 1987|orig-year= 1934 |publisher=Courier Dover Publications |isbn= 978-0-486-25447-0 |page=[https://archive.org/details/gamechess00tarr_550/page/n350 348] |url=https://archive.org/details/gamechess00tarr_550|url-access=limited }}</ref>
 ==Theory==
-White most often [[fianchetto]]es their king's bishop with g3 and Bg2. Black also sometimes fianchettoes their king's bishop with ...g6 and ...Bg7 (the '''Leningrad Dutch'''), but may instead develop their bishop to e7, d6 (after ...d5), or b4 (the latter is most often seen if White plays c4 before castling). Play often runs 2.g3 Nf6 3.Bg2 e6 4.Nf3 (4.Nh3{{chesspunc|!?}} is also possible, intending Nf4–d3 to control the e5-square if Black plays the '''Stonewall Variation''') 4...Be7 5.0-0 0-0 6.c4 and now Black chooses between 6...d5 (the characteristic move of the Stonewall), 6...d6, the '''Ilyin-Zhenevsky Variation''' (less popular today), or Alekhine's move 6...Ne4!? retaining the option of moving the d-pawn either one or two squares.
+White most often [[fianchetto]]es the king's bishop with g3 and Bg2. Black also sometimes fianchettoes the king's bishop with ...g6 and ...Bg7 (the '''Leningrad Dutch'''), but may instead develop the bishop to e7, d6 (after ...d5), or b4 (the latter is most often seen if White plays c4 before castling). Play often runs 2.g3 Nf6 3.Bg2 e6 4.Nf3 (4.Nh3{{chesspunc|!?}} is also possible, intending Nf4–d3 to control the e5-square  Black plays the '''Stonewall Variation''') 4...Be7 5.0-0 0-0 6.c4 and now Black chooses between 6...d5 (the characteristic move of the Stonewall), 6...d6, the '''Ilyin-Zhenevsky Variation''' (less popular today), or Alekhine's move 6...Ne4!? retaining the option of moving the d-pawn either one or two squares.
 The opening's attacking potential is shown in the [[Polish Immortal]], in which [[Miguel Najdorf]], using the Stonewall Variation, sacrificed all of his {{chessgloss|minor pieces}} to win by [[checkmate]].
+'''Main Theoretical Variations in the Dutch Defense'''
+The following are several known main variations which are important to know if one wants to really learn and understand the Dutch Defense.
+The Leningrad Dutch, in the Leningrad variation of the Dutch Defense, black fianchettos the dark-squared bishop. From g7, this bishop will not only be a good defender of the king, but also an active piece on the long diagonal.
+The game may proceed '''1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 0-0 6. Nf3 d6 7. 0-0 Qe8.'''  The g2 bishop helps protect white’s king against black’s possible kingside aggression, and this bishop would possible be blunted by the f5 pawn if it were instead to develop to d3.
+The opening code for the Leningrad Dutch in the Dutch Defense is '''A87''' to '''A89''' in the ECO ([[Encyclopaedia of Chess Openings]]) classification system.
+* '''A87''': Dutch Defense, Leningrad System
+* '''A88''': Dutch Defense, Leningrad System with ...d6 and ...c6
+* '''A89''': Dutch Defense, Leningrad System with ...d6 and ...Nc6
+The second variation is The Stonewall Dutch in which black plays …d5 in the opening and secures a tight grip of the e4 square. A possible example is '''1. d4 f5 2. g3 Nf6 3. Bg2 e6  4. Nf3 d5 5. c4 c6.'''
+The ECO codes for the Stonewall variation of the Dutch Defense are '''A90''' to '''A92''':
+* '''A90''': Dutch Defense, Stonewall variation
+* '''A91''': Dutch Defense, Stonewall variation with Nc3
+* '''A92''': Dutch Defense, Stonewall variation with c4 and Nc3
+The third variation is The Staunton Gambit, a fairly combative approach with Black's pawn sacrifice after '''2. e4!?.'''
+The Staunton Gambit is an aggressive attempt by White to sacrifice a pawn in exchange for rapid development and attacking chances against Black's Dutch setup.
+The ECO code for the Staunton Gambit in the Dutch Defense is '''A83.'''
+Of course, like any other opening in chess, there are countless variations and lines, but the above three are considered part of the main theory of the Dutch Defense.
 ==Practitioners==
-The Stonewall Dutch enjoyed a resurgence of interest in the 1980s and 1990s, when leading [[Grandmaster (chess)|grandmasters]] [[Artur Yusupov (chess player)|Artur Yusupov]], [[Sergey Dolmatov]], [[Nigel Short]] and [[Simen Agdestein]] helped develop the system where Black plays an earlier ...d5 and places his dark-squared bishop on d6.<ref>{{cite book |author1=Johnsen, Sverre  |author2=Bern, Ivar | title=Win with the Stonewall Dutch |url=https://archive.org/details/winwithstonewall00john  |url-access=limited  | publisher=Gambit | year=2010 | isbn= 978-1-906454-07-4 | page=[https://archive.org/details/winwithstonewall00john/page/n5 6]}}</ref> Termed the '''Modern Stonewall''', this setup has remained more popular than the traditional early ...Be7.
+The Stonewall Dutch enjoyed a resurgence of interest in the 1980s and 1990s, when leading [[Grandmaster (chess)|grandmasters]] (GMs) [[Artur Yusupov (chess player)|Artur Yusupov]], [[Sergey Dolmatov]], [[Nigel Short]] and [[Simen Agdestein]] helped develop the system where Black plays an earlier ...d5 and places his dark-squared bishop on d6.<ref>{{cite book |author1=Johnsen, Sverre  |author2=Bern, Ivar | title=Win with the Stonewall Dutch |url=https://archive.org/details/winwithstonewall00john  |url-access=limited  | publisher=Gambit | year=2010 | isbn= 978-1-906454-07-4 | page=[https://archive.org/details/winwithstonewall00john/page/n5 6]}}</ref> Termed the '''Modern Stonewall''', this setup has remained more popular than the traditional early ...Be7.
 [[Magnus Carlsen]] has used the Stonewall to score wins against [[Viswanathan Anand]]<ref>{{cite web|title=Anand Hits The Wall |url=http://chess-news.ru/en/node/18078|access-date=12 February 2018}}</ref> and [[Fabiano Caruana]].<ref>{{cite web|title=Shamkir R3: Carlsen shows who's boss|url=https://chess24.com/en/read/news/shamkir-r3-carlsen-shows-who-s-boss|access-date=12 February 2018}}</ref>
@@ Line 54: / Line 84: @@
  | isbn=978-1-901983-88-3}}
 *{{cite book
- | authors=[[Richard Palliser|Palliser, Richard]]; Williams, Simon; Vigus, James
+ |author1=[[Richard Palliser|Palliser, Richard]] |author2=Williams, Simon |author3=Vigus, James | title=Dangerous Weapons: The Dutch
- | title=Dangerous Weapons: The Dutch
  | year=2010
  | publisher=Everyman Chess
@@ Line 94: / Line 123: @@
 ===Other second moves===
 White has various more aggressive alternatives to the standard moves, including
-* 2.Nc3 Nf6 (or 2...d5) 3.Bg5 (Raphael Variation);
+* 2.Nc3 Nf6 (or 2...d5) 3.Bg5, the Raphael Variation
-* 2.Bg5, the Hopton Attack;
+* 2.Bg5, the Hopton Attack; e.g. 2...Nf6 (2...g6 is the most popular move) 3. Bxf6 exf6 4. e3 or e4
+* 2.Bf4 or 2.Nf3 and 3.Bf4, the [[London System]]
 * 2.g4, Krejcik Gambit
 * 2.e4!?, the [[Staunton Gambit]], named after [[Howard Staunton]], who introduced it in his match against [[Bernhard Horwitz]].<ref>{{cite web
  |url=http://www.chessgames.com/perl/chessgame?gid=1001250
- |title=Howard Staunton vs Bernard Horwitz, 3rd match game, London 1846
+ |title=Howard Staunton vs. Bernard Horwitz, 3rd match game, London 1846
+ |website=[[Chessgames.com]]
  |access-date=2008-07-01
 }}</ref><ref>{{cite book
- | title=The Oxford Companion to Chess, 2nd edition
+ |title=The Oxford Companion to Chess
- | author=Hooper, D.
+ |last1=Hooper
+ |first1=David
- | author2=Whyld, K.
+ |authorlink1=David Vincent Hooper
- | author-link2=Kenneth Whyld
- | year=1992
+ |last2=Whyld
+ |first2=Kenneth
- | publisher=Oxford University Press
+ |authorlink2=Kenneth Whyld
- | page=[https://archive.org/details/oxfordcompaniont0000hoop/page/393 393]
+ |year=1996
- | isbn=0-19-866164-9
+ |edition=2nd
- | author-link=David Vincent Hooper
+ |origyear=First pub. 1992
- | url=https://archive.org/details/oxfordcompaniont0000hoop/page/393
+ |publisher=Oxford University Press
+ |page=[https://archive.org/details/oxfordcompaniont0000hoop/page/393 393]
+ |isbn=0-19-866164-9
+ |url=https://archive.org/details/oxfordcompaniont0000hoop/page/393
  }}</ref> The Staunton Gambit was once a feared attacking line,<ref>In 1939, Fine wrote that, "The Staunton Gambit ... offers White considerable attacking chances." {{cite book
  | title=Modern Chess Openings, 6th edition
@@ Line 161: / Line 196: @@
  | page=176
  | author-link=Reuben Fine
-}} Grandmaster [[Nick de Firmian]] writes in ''MCO-15'' (2008) that the Staunton Gambit "is not in much favor today". {{cite book
+}} GM [[Nick de Firmian]] writes in ''MCO-15'' (2008) that the Staunton Gambit "is not in much favor today". {{cite book
  | title=Modern Chess Openings, 15th edition
  | author=de Firmian, N.
@@ Line 169: / Line 204: @@
  | isbn=978-0-8129-3682-7
  | author-link=Nick de Firmian
-}}</ref> [[Grandmaster (chess)|Grandmaster]] [[Larry Christiansen]] and [[International Master]] [[Jeremy Silman]] have opined that it "offers White equality at best."<ref>{{cite book
+}}</ref> [[Grandmaster (chess)|GM]] [[Larry Christiansen]] and [[International Master]] [[Jeremy Silman]] have opined that it "offers White equality at best."<ref>{{cite book
  | title=The Dutch Defense
  | author=Christiansen, L.
@@ Line 194: / Line 229: @@
  | publisher=Verlag von Veit & Co, Berlin
  | pages=234–35, section 3, rows 4–6
+ | isbn=9785879246339
  | author-link=Paul Rudolf von Bilguer
 }}</ref><ref>{{cite book
@@ Line 202: / Line 238: @@
  | page=36
  | isbn=0-9619606-2-0
-}}</ref> [[Viktor Korchnoi]], one of the world's leading players, reintroduced the line into tournament practice in Korchnoi–Känel, [[Biel]] 1979.<ref>[http://www.chessgames.com/perl/chessgame?gid=1082507 Korchnoi–Känel, Biel 1979]</ref> GM Christiansen later concluded, as von der Lasa and Staunton had done over 140 years earlier, that Black could get a good game by declining the gambit with 2...Nf6 3.g4 d5!<ref>{{cite book
+}}</ref> [[Viktor Korchnoi]], one of the world's leading players, reintroduced the line into tournament practice in Korchnoi–[[Hansjürg Kaenel|Känel]], [[Biel]] 1979.<ref>{{Cite web|url=https://www.chessgames.com/perl/chessgame?gid=1082507|title=Viktor Korchnoi vs. Hansjuerg Kaenel, Biel 1979 |website=[[Chessgames.com]] }}</ref> GM Christiansen later concluded, as von der Lasa and Staunton had done over 140 years earlier, that Black could get a good game by declining the gambit with 2...Nf6 3.g4 d5!<ref>{{cite book
  | title=The Dutch Defense
  | author=Christiansen, L.
@@ Line 212: / Line 248: @@
  | author-link=Larry Christiansen
 }}</ref>
+* 2.Qd3, the Alapin Variation
-Black sometimes starts with the move-order 1...e6 to avoid these lines, although Black must then be ready to play the [[French Defence]] if White continues 2.e4, rendering the Dutch no longer an option. The Staunton gambit remains a good choice of opening for white in blitz tournaments where black has little time to ponder the most accurate defense.
+Black sometimes starts with the move order 1...e6 to avoid these lines, although Black must then be ready to play the [[French Defence]] if White continues 2.e4, rendering the Dutch no longer an option. The Staunton Gambit remains a good choice of opening for White in blitz tournaments where Black has little time to ponder the most accurate defense.
 ==''ECO''==
 The ''[[Encyclopaedia of Chess Openings]]'' ({{italics correction|''ECO''}}) has twenty codes for the Dutch Defence, A80 through A99.
 *A80: 1.d4 f5
-*A81: 1.d4 f5 2.g3
+*A81: 1.d4 f5 2.g3 (Fianchetto Attack)
 *A82: 1.d4 f5 2.e4 ([[Staunton Gambit]])
 *A83: 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 (Staunton Gambit)
@@ Line 224: / Line 262: @@
 *A86: 1.d4 f5 2.c4 Nf6 3.g3 (Fianchetto Variation)
 *A87: 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 (Leningrad Dutch)
-*A88: 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 0-0 6.0-0 d6 7.Nc3 c6 (Leningrad Dutch)
+*A88: 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 0-0 6.0-0 d6 7.Nc3 c6 (Leningrad Dutch, Warsaw Variation)
-*A89: 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 0-0 6.0-0 d6 7.Nc3 Nc6 (Leningrad Dutch)
+*A89: 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 0-0 6.0-0 d6 7.Nc3 Nc6 (Leningrad Dutch, Matulovich)
-*A90: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2
+*A90: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 (Classical Variation)
 *A91: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7
 *A92: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 0-0
 *A93: 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 0-0 6.0-0 d5 7.b3 (Botvinnik Variation)
@@ Line 246: / Line 284: @@
 ==Further reading==
 *{{cite book
+ |last1=Hooper
- |author=[[David Vincent Hooper|Hooper, David]] and [[Kenneth Whyld]]
+ |first1=David
- |title=[[The Oxford Companion To Chess]]
+ |authorlink1=David Vincent Hooper
- |publisher=Oxford University
- |year=1996
+ |last2=Whyld
+ |first2=Kenneth
- |isbn=0-19-280049-3}}
+ |authorlink2=Kenneth Whyld
+ |title=[[The Oxford Companion to Chess]]
+ |publisher=[[Oxford University Press]]
+ |year=1996
+ |edition=2nd
+ |origyear=First pub. 1992
+ |isbn=0-19-280049-3 }}
 *{{cite book
  |author=Aagaard, Jacob
@@ Line 299: / Line 344: @@
 *[https://web.archive.org/web/20090926210821/http://www.fpawn.com/chess/IntroDutch.htm Learning the Dutch Defense]
 *[https://archive.org/details/nouvelessaisurl00steigoog Nouvel essai sur le jeu des échecs 1789 (Internet Archive)]
+*[https://knight-master.com/dutch-defense-for-beginners-and-intermediates/ Dutch Defense for Beginners]
 {{chess|state=collapsed}}