A23a - 4.Bg2 d5 5.cxd5 cxd5 - Bremen Keres [+0.30]

A23a — Bremen Keres
1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Bg2 d5 5.cxd5 cxd5
Eval: [+0.30]
Les coups candidats
6.e3 — 58.1% (603 parties)
Ambassadeurs : Fedorchuk, Sergey A. (6x), Lenaerts, Lennert (4x), Rutter, Blair A (4x), Vecek, Marjan (4x), Grueneschild, Hildegard (3x), Artemiev, Vladislav (3x), Owens, Johnny (3x), Klausen, Tor-Arne (3x)
6.Nf3 — 15.6% (162 parties)
Ambassadeurs : Vetter, Udo (3x), Ozcay, Cisem (2x), Geisensetter, Franz (2x), Nikolov, Nikolay Petrov (2x), Liu, Yan (2x), Krause, Christian (2x), Bazakutsa, Svyatoslav (2x), Bolland, Percivale David (1x)
6.d3 — 12.3% (128 parties)
Ambassadeurs : Sfarlog, Tudor-Vlad (2x), Caliskan, Ismail (2x), Csiba, Tibor Dr. (2x), Capablanca, Jose (1x), Bucelo A (1x), Gusev, Nikolay N (1x), Seoev, Robert (1x), Milev, Zdravko (1x)
6.e4 — 7.6% (79 parties)
Ambassadeurs : Weyerstrass, Ronald (2x), Kahl, Fred (2x), Bronts, Geert Kornelis (1x), Jonkheer, Alex (1x), Mitev, Stoyan (1x), Eberle, Werner (1x), Spiegelberg, Olaf (1x), Neumann, Hubertus (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.e3 6.Nf3 6.d3 6.e4
<1800 111 50% 19% 18% 10%
1800-2200 375 61% 14% 12% 6%
2200-2600 209 72% 12% 7% 7%
2600+ 33 52% 39% — 9%
Évolution par décennie (% des parties)
Décennie N parties 6.e3 6.Nf3 6.d3 6.e4
1900s 1 — — — —
1920s 2 — 50% — —
1930s 1 100% — — —
1940s 2 — 50% 50% —
1950s 1 — — 100% —
1960s 4 75% — 25% —
1970s 7 86% — 14% —
1980s 17 53% 18% 6% 24%
1990s 126 51% 17% 17% 6%
2000s 249 53% 14% 17% 9%
2010s 355 57% 16% 12% 9%
2020s 273 68% 16% 6% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.e3 57% 68% ▲ +10.3%
6.Nf3 16% 16% +0.3%
6.d3 12% 6% ▼ -5.6%
6.e4 9% 5% ▼ -3.6%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 2 parties
Ding, Liren — 2 parties
Ju, Wenjun — 2 parties
Euwe, Max — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
6.e3 — 58.1% (603 parties)
1936 — Capablanca, Jose vs Siero, M. — 0-1 — Havana CUB
1962 — Nielsen, Axel vs Soby, Frode — 1/2-1/2 — Copenhagen DEN
1968 — Gadia, Olicio vs Van Riemsdijk, Herman C. — 1/2-1/2 — Sao Bernardo
1969 — Aguirre Avila, Alberto vs Rivera Roberto O — 0-1 — ?
1970 — Collins, Richard Arnold vs Wigmore, John Keith — 1-0 — Lancaster
6.Nf3 — 15.6% (162 parties)
1925 — Bolland, Percivale David vs Mansfield, Comins — 1-0 — Weston
1947 — Kolnik, Moss vs Dreyer, Kurt — 0-1 — ?
1987 — Wu, Howard vs Watson, Cody — 1-0 — West Vancouver CAN
1988 — Weber, Marc, Dr. vs Schroeder, Guido — 1-0 — Stetten
1988 — Ulrichsen, Jarl H vs Aulin-Jansson, Joran — 0-1 — NOR-ch Asker NOR
6.d3 — 12.3% (128 parties)
1941 — Capablanca, Jose vs Bucelo A — 1/2-1/2 — Havana CUB
1957 — Gusev, Nikolay N vs Seoev, Robert — 1/2-1/2 — Ashkhabad
1962 — Milev, Zdravko vs Siero, Lucas — 1/2-1/2 — Havana CUB
1978 — Resende, Antonio Carlos vs Cajal, Andre — 1-0 — Tijuca
1981 — Todorcevic Antic, Miodrag vs Nikolic, Stanimir — 1/2-1/2 — Arandjelovac
6.e4 — 7.6% (79 parties)
1980 — Mitev, Stoyan vs Eberle, Werner — 1-0 — Noordwijkerhout
1984 — Spiegelberg, Olaf vs Neumann, Hubertus — 1/2-1/2 — Ottendorf Okrilla
1985 — Weyerstrass, Ronald vs Jonkheer, Alex — 1-0 — Huizen
1987 — Weyerstrass, Ronald vs Bronts, Geert Kornelis — 1-0 — Huizen
1991 — Asmundsson, Ingvar vs Altgelt, Alexander — 1/2-1/2 — ?