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A31a — Symmetrical Two Knights
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 Nc6
Eval: [+0.29]
Les coups candidats
Ambassadeurs : Vachier-Lagrave, Maxime (19x), Korchnoi, Viktor (16x), De Firmian, Nick (16x), Ernst, Thomas (16x), Ghaem Maghami, Ehsan (16x), Stohl, Igor (14x), Wojtkiewicz, Aleksander (13x), Rogulj, Branko (12x)
5.g3 — 12.8% (972 parties)
Ambassadeurs : Schlosser, Philipp (12x), Gelfand, Boris (8x), Ivanchuk, Vasyl (8x), Hracek, Zbynek (7x), Kramnik, Vladimir (6x), Raetsky, Alexander (6x), Moiseenko, Alexander (6x), Filippov, Vadim (5x)
5.e3 — 1.6% (123 parties)
Ambassadeurs : Juric, Goran (2x), Dankova J (1x), Dobrovolsky, Ladislav (1x), Lahti, Jouko (1x), Dueball, Juergen (1x), Dunkelblum, Arthur (1x), Gheorghiu, Florin (1x), Lee, John L (1x)
5.Nxc6 — 1.1% (85 parties)
Ambassadeurs : Pavlov, Gennadij (2x), Stepanov, Aleksandar (1x), Yudovich, Mikhail M (1x), Weiss, Fernando (1x), Kroon, Piet (1x), Ridameya Tatche, Jose Miguel (1x), O'Kelly de Galway, Alberic (1x), Van Dyke, B. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Nc3 5.g3 5.e3 5.Nxc6
<1800 147 71% 10% 8% 5%
1800-2200 2298 83% 12% 2% 1%
2200-2600 3716 87% 13% 0% 0%
2600+ 408 79% 21%
Évolution par décennie (% des parties)
Décennie N parties 5.Nc3 5.g3 5.e3 5.Nxc6
1920s 5 80% 20%
1930s 25 76% 20% 4%
1940s 16 94% 6%
1950s 55 85% 13%
1960s 110 81% 13% 3% 2%
1970s 211 89% 9% 1% 1%
1980s 263 88% 9% 0% 1%
1990s 1019 84% 12% 2% 2%
2000s 2025 79% 17% 2% 1%
2010s 3152 85% 12% 1% 1%
2020s 731 86% 11% 2% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Nc3 85% 86% ▲ +1.0%
5.g3 12% 11% -0.4%
5.e3 1% 2% +0.1%
5.Nxc6 1% 1% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 9 parties
Ju, Wenjun — 8 parties
Kasparov, Garry — 7 parties
Hou, Yifan — 7 parties
Smyslov, Vladimir — 5 parties
Alekhine, Alexander — 3 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
5.Nc3 — 83.5% (6356 parties)
1922 — Alekhine, Alexander vs Deutsch Edelheim Schroeder — 1-0 — Berlin GER
1924 — Michell, Reginald vs Blake, Joseph — 1/2-1/2 — Southport ENG
1925 — De La Torre Huertas, Carlos vs Alekhine, Alexander — 1/2-1/2 — Baden-Baden GER
1927 — Sergieev, Alexander vs Kubbel, Arvid — 1/2-1/2 — Leningrad tt
1930 — Rejfir, Josef vs Prokop, Frantisek — 1/2-1/2 — Mnichovo Hradiste
5.g3 — 12.8% (972 parties)
1927 — Schmitt, Ludwig vs Machate, Gottlieb — 1-0 — Gleiwitz
1932 — Rohacek, Erik vs Bogoljubow, Efim — 0-1 — Bad Sliac
1932 — Rohacek, Ivan vs Bogoljubow, Efim — 0-1 — Bad Sliac
1934 — Reinhardt, Enrique vs Antze, Oskar — 1-0 — Aachen GER
1936 — Mazel, Isaak Y vs Gergenreder — 1-0 — Moscow RUS
5.e3 — 1.6% (123 parties)
1962 — Dunkelblum, Arthur vs Gheorghiu, Florin — 1/2-1/2 — Bucharest ROU
1969 — Dankova J vs Dobrovolsky, Ladislav — 1/2-1/2 — Brno CZE
1969 — Lahti, Jouko vs Dueball, Juergen — 0-1 — Raach
1971 — Lee, John L vs Berry, Jonathan — 0-1 — Vancouver BC CAN
1977 — Clarke, Paul R H vs Mesa Reid, Alexander Russell — 1-0 — Brighton ch-BCF
5.Nxc6 — 1.1% (85 parties)
1936 — Stepanov, Aleksandar vs Yudovich, Mikhail M — 0-1 — Moscow RUS
1960 — Ridameya Tatche, Jose Miguel vs O'Kelly de Galway, Alberic — 0-1 — Terrassa ESP
1968 — Weiss, Fernando vs Kroon, Piet — 1/2-1/2 — Lugano SUI
1974 — Van Dyke, B. vs Pekun, Cem — 0-1 — Nice FRA
1974 — Drozd, Ryszard vs Schinzel, Wladyslaw — 1/2-1/2 — POL-ch31 Zielona Gora