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'''Codexes of Polerio'''

It is not possible to describe the analyst, and in particular reporter, of chess games and openings [[Giulio Cesare Polerio]] without describing his work.

The work of [[Giulio Cesare Polerio]] consist exclusively in handwritten [[Codexes]]. Accordingly, there is always a single, original [[Codex]] of [[Giulio Cesare Polerio]] existant. Sanvito 2005 has organised these 8 original [[Codex]]es of [[Giulio Cesare Polerio]]  both by location and by supposed age. Abbreviations 1 Sv - 8 Sv are used to refer to this organisation primarily done by supposed age. Among these 8 [[Codex]]es , one has a questionable existance/Polerio provenience (8 Sv). Another has a missing location (7 Sv = the so called "Doazan"). In doubt, reference is made to Salvio 2005 (4 Sv = Codex # 4 as organised by Sanvito 2005).

= Polerio Codexes by age =

1 Sv = "7.8.1584?" (Sanvito [Baffioni])<br />
2 Sv = "1579/80" (Baffioni)<br />
3 Sv = "later than 1579 but earlier than 1585" (Baffioni)<br />
4 Sv = "1594, before June 30" (Sanvito [Murry])<br />
5 Sv = "20.06.1594, Rome" (Sanvito [Baffioni])<br />
6 Sv = "XVIth century for sure (Leon) <br />
7 Sv = (undetermined?)<br />
8 Sv = (questionable Polerio) <br />

= Polerio Codexes by location =

1 Sv = [[Bibliothèque nationale de France]] "955"<br />
2 Sv = [[Vatican Library]] "Boncompagni 3"<br />
3 Sv = [[Vatican Library]] "Boncompagni 2"<br />
4 Sv = [http://fr.wikipedia.org/wiki/Biblioth%C3%A8ques_de_Toulouse Bibliothèques de Toulouse] "Tolosa"<br /> 
5 Sv = [[Bibliothèque nationale de France]] "948<br />
6 Sv = [[Cleveland Public Library]] "Leon"<br />
7 Sv = unknown "Doazan"<br />
8 Sv ? [[Cleveland Public Library]] L'elegantia"<br />

= Games of Polerio by move order =


== C Polerio ==

== C54 Polerio ==

vdL 1 = 2 Sv

1.c4 f5 2.Nc3 e5 3.e4 d6 4.d3 f4 5.Nf3 Bg4 6.Be2 Nf6 7.Bd2 Be7 8.Rc1 Nc6 9.Kb2 (rare case of "free castling" in Polerio's [[Codex]]es. 

{{Chess diagram|=
|tleft
|
|=
|rd|  |  |qd|kd|  |  |rd|=
|pd|pd|pd|  |bd|  |pd|pd|=
|  |  |nd|pd|  |nd|  |  |=
|  |  |  |  |pd|  |  |  |=
|  |  |bl|  |pl|pd|bd|  |=
|  |  |nl|pl|  |nl|  |  |=
|pl|pl|kl|bl|bl|pl|pl|pl|=
|  |  |rl|ql|  |  |  |rl|=
|Position after 9.Ke1-b2 
}}

9. - 0-0 ("salta di Rè all'ordi[nari]o") 10.a3

= Sources =
<!-- list of literature -->

Polerio (G. C.). Questo libro e di Giulio Cesare Polerio Lancianese al suo comando e del amici à presso, 376 etc. in Bibliotheca Van der Linde-Niemeijeriana 
The Chess player's chronicle, The light and lustre of chess, by George Walker, 1843 
VAN DER LINDE, ANTONIUS: Das Schachspiel des XVI. Jahrhunderts. Nach unedirten Quellen bearbeitet, Verlag von Julius Springer, Berlin 1874 
LEON, J.A.: Forty-Six Games of Chess: by Giulio Cesare Polerio, from a hitherto unpublished Manuscript. 16 pp. "Reprinted from the 'British Chess Magazine, August,1894'.", 1894 
BARON VON DER LASA, TASILO: Zur Geschichte und Literatur des Schachspiels, Verlag von Veit & Comp., Leipzig, 1897 
MURRAY, HAROLD JAMES RUTHVEN: A History of Chess, Clarendon Press, Oxford, 1913 
BAFFIONI, PROF. GIOVANNI: Giulio Cesare Polerio Lancianese Maestro di Scacchi (XVI-XVII) Regione Abruzzo, Centro Servizi Culturali, Lanciano, 1993 
SANVITO, ALESSANDRO: Il Boncompagni-Ludovisi era ritenuto disperso: Ritrovato un codice di Polerio, L’Italia Scacchistica: 311, 1994 
BAFFIONI, PROF. GIOVANNI: Lectura Polerii Regione Abruzzo, Centro Servizi Culturali, Lanciano, undated (gift from Biblioteca “R. Liberatore”, Lanciano) 
BAFFIONI, PROF. GIOVANNI: Giulio Cesare Polerio, l’Apruzzese, Maestro di Scacchi Europeo (XVI-XVII), Litografia Botolini srl, Lanciano, 1995 
SANVITO, ALESSANDRO: Bibliografia italiana degli scacchi, Degli origini al 1999, Edizione Sylvestre Bonnard sas, Mailand, 1999 
SANVITO, ALESSANDRO: I codici scacchistici di Giulio Cesare Polerio e Gioacchino Greco, Messaggerie Scacchistiche, ISBN 88-901525-8-3, Brescia, 2005 

== References ==
{{Reflist}}

== External links ==

{{Uncategorised|date=March 2009}}