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B07i — Pirc (1925)
1.e4 d6 2.d4 Nf6 3.Bd3 g6 4.Nf3 Bg7
Les coups candidats
5.O-O — 67.1% (1803 parties)
Ambassadeurs : McNab, Colin A (17x), Alekseev, Evgeny (16x), Kuporosov, Viktor (7x), Meduna, Eduard (5x), Tuominen, Tanja (5x), Godena, Michele (5x), Fedorov, Alexei (5x), Seul, Georg (5x)
Ambassadeurs : McNab, Colin A (10x), Pesco, Giuseppe (3x), Cmilyte, Viktorija (3x), Blodig, Reinhard (3x), Condie, Mark L (2x), Malfagia, Andrea (2x), Ionov, Sergey (2x), Antritter, Guenter (2x)
5.h3 — 8.8% (236 parties)
Ambassadeurs : Vodep, Otto (2x), Oral, Tomas (2x), Abad Calderon, Abraham (1x), Thomson, DR. (1x), Petrovic, Vojislav (1x), Rakic, Tomislav (1x), Lang, Kah Chun (1x), Kalendovsky, Jan (1x)
5.Bg5 — 2.8% (75 parties)
Ambassadeurs : Green, Fiona (2x), Ehrman, Carl (1x), Soltis, Andrew (1x), Masango, Mark (1x), Psaila, Mario (1x), Faltan, Peter (1x), Petran, Peter (1x), Zimmerman, Yuri (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.O-O 5.c3 5.h3 5.Bg5
<1800 263 56% 16% 11% 6%
1800-2200 1043 63% 16% 9% 4%
2200-2600 939 78% 11% 7% 1%
2600+ 72 86% 11% 1%
Évolution par décennie (% des parties)
Décennie N parties 5.O-O 5.c3 5.h3 5.Bg5
1960s 4 50% 25% 25%
1970s 29 66% 3% 21%
1980s 83 69% 22% 5% 4%
1990s 473 67% 16% 6% 4%
2000s 705 62% 14% 11% 3%
2010s 986 68% 15% 9% 3%
2020s 407 74% 12% 8% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.O-O 68% 74% ▲ +6.1%
5.c3 15% 12% ▼ -2.8%
5.h3 9% 8% ▼ -1.2%
5.Bg5 3% 1% ▼ -1.9%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 4 parties
Ju, Wenjun — 3 parties
Kramnik, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Kasparov, Garry — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
5.O-O — 67.1% (1803 parties)
1962 — Seabra, Geraldo vs Asfora, Eduardo Hasbum — 0-1 — ?
1963 — Himansa, H Risini vs Liberzon, Vladimir M — 1-0 — Moscow RUS
1970 — Banda Lumbani Benedicto vs Kristjansson, Olafur — 1/2-1/2 — Reykjavik ISL
1970 — Torfason, Jon vs Johannesson, Bjorn — 1-0 — ISL-ch Reykjavik ISL
1972 — Agaba Sande Marvin vs Lahav, Yossi — 1-0 — Pula CRO
5.c3 — 14.6% (391 parties)
1967 — Kleinschmidt, Margarete vs Liebert, Ursula — 0-1 — Colditz
1979 — Skidmore, Jennifer M vs O'Donnell, Tom — 1-0 — Michigan
1980 — McNab, Colin A vs Taulbut, Shaun M — 0-1 — BCF-ch Brighton ENG
1981 — Vuorinen, Reijo vs Holzer, Bernd — 1-0 — corr FIN-BRD
1982 — Ruiz , Pablo Luis vs Magaldi, Nelson — 0-1 — Brasilero op
5.h3 — 8.8% (236 parties)
1962 — Abad Calderon, Abraham vs Thomson, DR. — 1-0 — Whitby ch-BCF
1970 — Romani, Elio vs Papapostolou, Christ. — 0-1 — Siegen olm Siegen GER
1970 — Vyzantiadis, Lazaros vs Matulovic, Milan — 0-1 — Reykjavik ISL
1974 — Jacobs, Antoine vs Don Malingu — 0-1 — Hasselt
1975 — Lang, Kah Chun vs Kalendovsky, Jan — 0-1 — Brno /klasif o II.VT
5.Bg5 — 2.8% (75 parties)
1980 — Ehrman, Carl vs Soltis, Andrew — 0-1 — Ottawa - Canadian Op
1982 — Faltan, Peter vs Petran, Peter — 0-1 — Bratislava SVK
1986 — Masango, Mark vs Psaila, Mario — 0-1 — Dubai olm
1990 — Bogdanic, Vuk vs Veltmann, Martin — 0-1 — Toronto CAN
1991 — Finta, Robert vs Levtchouk, George — 0-1 — Thetford Mines CAN