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D37a —
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3
Les coups candidats
Ambassadeurs : Beliavsky, Alexander G (190x), Karpov, Anatoly (155x), Short, Nigel D (140x), Lputian, Smbat (118x), Jussupow, Artur (118x), Kharitonov, Andrei (116x), Georgiev, Kiril (115x), Van der Sterren, Paul (99x)
Ambassadeurs : Wosch, Arkadiusz (175x), Deforel, Jorge Eduardo (174x), Sveshnikov, Evgeny (167x), Gromotka, Harry (132x), Korneev, Oleg (127x), Glaser, Karel (100x), Kaupert, Vanildo João (94x), Lukacs, Peter (89x)
Ambassadeurs : Aleksandrov, Viktor A. (138x), Inkiov, Ventzislav (97x), Dizdar, Goran (93x), Mitkov, Nikola (91x), Salzmann, Stefan (80x), Sosonko, Gennadi (77x), Alekseev, Evgeny (75x), Mamedyarov, Shakhriyar (64x)
Ambassadeurs : Cvetkovic, Srdjan (73x), Martirosyan, Haik M. (53x), Brumen, Dinko (52x), Andersson, Ulf (49x), Sokolov, Ivan (48x), Smagin, Sergey (44x), Kuzubov, Yuriy (43x), Dreev, Aleksey (37x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Be7 4…c6 4…Bb4 4…Nbd7
<1800 12144 35% 26% 13% 9%
1800-2200 65828 36% 30% 12% 8%
2200-2600 80004 32% 26% 17% 8%
2600+ 7732 29% 14% 24% 11%
Évolution par décennie (% des parties)
Décennie N parties 4…Be7 4…c6 4…Bb4 4…Nbd7
1950s 1621 28% 22% 17% 13%
1960s 1989 36% 17% 12% 10%
1970s 2645 43% 19% 13% 9%
1980s 8917 49% 20% 10% 8%
1990s 22096 41% 23% 11% 12%
2000s 43442 37% 28% 11% 11%
2010s 68917 34% 30% 15% 7%
2020s 37903 22% 24% 22% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Be7 34% 22% ▼ -11.2%
4…c6 30% 24% ▼ -5.9%
4…Bb4 15% 22% ▲ +6.6%
4…Nbd7 7% 8% ▲ +0.9%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Botvinnik, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Ju, Wenjun — 10 parties
Gukesh D — 10 parties
Smyslov, Vladimir — 5 parties
Karpov, Aleksandr — 4 parties
Parties historiques
4…Be7 — 33.8% (63357 parties)
1950 — Mueller, Claus vs Krause, Kurt — 0-1 — Soemmerda GER
1950 — Rellstab, Ludwig vs Tartakower, Savielly — 1/2-1/2 — Bled SLO
1950 — Ulvestad, Olaf vs Vidmar, Milan Jr — 0-1 — USA
1950 — Rossetto, Hector Decio vs Staudte, Hans-Hilmar — 1/2-1/2 — Dubrovnik CRO
1950 — Muhring, Willem Jan vs Barendregt, Johan — 0-1 — NLD-ch Amsterdam NED
4…c6 — 26.6% (49830 parties)
1950 — Simagin, Vladimir vs Arlamowski, Edward — 1-0 — Schiavno Zdroj
1950 — Castillo Bermudez, Manuel vs Wade, Robert G — 0-1 — Venice ITA
1950 — Neikirkh, Oleg vs Foltys, Jan — 1/2-1/2 — CSR-BUL Prague CZE
1950 — Füster, Géza vs Gereben, Erno — 0-1 — Budapest HUN
1950 — Roehrich, E vs Schmid, Lothar — 1-0 — FRG-ch01 corr5052
4…Bb4 — 14.9% (27970 parties)
1950 — Pilnik, Herman vs Rabar, Braslav — 1/2-1/2 — Bled SLO
1950 — Pavlov, Mircea-Sergiu-Aurelian vs Ragozin, Viacheslav — 1/2-1/2 — URS-ch sf Kiev UKR
1950 — Alexander Tadala vs Abramov, Lev — 0-1 — Leningrad ch sf
1950 — Averbakh, Yuri L vs Estrin, Yakov — 1-0 — Moscow RUS
1950 — Zagoriansky, Evgeny vs Estrin, Yakov — 1-0 — Moscow RUS
4…Nbd7 — 8.8% (16468 parties)
1950 — Aizenshtad, M vs Korchnoi, Viktor — 0-1 — Leningrad RUS
1950 — Kramer Jernej vs van Scheltinga, Theo Daniel — 1-0 — Wijk aan Zee NED
1950 — Schlieder, Rolf vs Ruppe, Otto — 1/2-1/2 — Soemmerda GER
1950 — Vidmar, Milan Sr vs Tartakower, Savielly — 1/2-1/2 — Bled SLO
1950 — Petrov, Petar vs Malchev, Andrej — 1/2-1/2 — Sofia BUL