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B03b — Alekhine Defense (1921)
1.e4 Nf6 2.e5 Nd5 3.d4 d6
Les coups candidats
Ambassadeurs : Rain, Ricardo Ernesto (134x), Alburt, Lev (130x), Konopka, Michal (112x), Bagirov, Vladimir (107x), Varga, Zoltan (102x), Baburin, Alexander (101x), Cafferty, Bernard (99x), Lenz, Juergen (99x)
Ambassadeurs : Baburin, Alexander (72x), Lenz, Juergen (53x), ? (51x), Cafferty, Bernard (48x), Konopka, Michal (44x), Schirmer, Michael (39x), Kantorik, Marian (39x), Freisler, Pavel (35x)
Ambassadeurs : Nun, Jiri (16x), Tagnon, Nicole (15x), Gross, David (13x), Soltis, Andrew (10x), Sax, Gyula (10x), Milosevic, Goran (9x), Cafferty, Bernard (8x), Kotan, Ladislav (8x)
Ambassadeurs : Auvinen, Esa (9x), Popov, Vladimir Valentinovich (9x), Ranieri, Fabrizio (7x), Hagara, Eduard (6x), Svihel, Karel (5x), Facchetti, Gianni (5x), Wall, Bill (4x), Seel, Christian, Dr. (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Nf3 4.c4 4.Bc4 4.exd6
<1800 3176 47% 42% 3% 5%
1800-2200 23892 50% 39% 4% 4%
2200-2600 22500 64% 30% 3% 1%
2600+ 356 76% 23% 1% 1%
Évolution par décennie (% des parties)
Décennie N parties 4.Nf3 4.c4 4.Bc4 4.exd6
1950s 261 68% 26% 2% 2%
1960s 807 65% 29% 2% 2%
1970s 2649 60% 33% 4% 1%
1980s 4294 67% 25% 4% 1%
1990s 13399 61% 28% 4% 3%
2000s 17418 55% 36% 3% 4%
2010s 16828 52% 39% 3% 4%
2020s 4014 48% 44% 3% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Nf3 52% 48% ▼ -4.5%
4.c4 39% 44% ▲ +4.9%
4.Bc4 3% 3% +0.2%
4.exd6 4% 4% +0.4%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Tal, Mikhail — 10 parties
Anand, Viswanathan — 10 parties
Kasparov, Garry — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 6 parties
Smyslov, Vladimir — 5 parties
Ju, Wenjun — 4 parties
Kramnik, Vladimir — 2 parties
Ding, Liren — 2 parties
Gukesh D — 1 partie
Parties historiques
4.Nf3 — 56.4% (33669 parties)
1950 — Boleslavsky, Isaac vs Bronstein, David I — 1/2-1/2 — Moscow RUS
1950 — Hejduk, Jakub vs LAR, Rai Joseph — 0-1 — Chocen
1950 — Anderson, Frank Ross vs Paskauskas, Raymond — 1-0 — Toronto CAN
1950 — Pfeiffer, Gerhard vs Rellstab, Ludwig — 1-0 — Hamburg GER
1950 — Lipnitsky, Isaac vs Panov, Vasily — 1-0 — URS-ch sf Kiev UKR
4.c4 — 34.9% (20830 parties)
1950 — Adams, Weaver vs ? — 1-0 — Des Moines, IA USA
1950 — Adams Anieze Okpah vs ? — 1-0 — ?
1950 — Richter Elias Noel vs Strelak — 1-0 — Chocen
1950 — Blatny, Frantisek vs Vrbata, Zbynek — 1-0 — Chocen
1950 — Novak, Zbynek vs LAR, Rai Joseph — 0-1 — Chocen
4.Bc4 — 3.3% (1989 parties)
1951 — Canal, Esteban vs Perez Perez, Francisco Jose — 1-0 — Madrid ESP
1951 — Dantas, Neimar de Oliveira vs Bauza, Lorenzo — 0-1 — Mar del Plata ARG
1951 — Canal, Esteban vs Ceccato, Vittorio — 1/2-1/2 — Reggio Emilia ITA
1959 — Streifer vs Barry Dickson — 1/2-1/2 — Providence, RI USA
1960 — Rodriguez, Ruben vs Wiese, W — 1-0 — corr EU/M
4.exd6 — 3.0% (1814 parties)
1955 — Mora , Abelardo vs Weber, Jacobus — 1-0 — Luxembourg
1955 — Dorawa, Bernhard vs Starck, Bodo — 1-0 — Zittau
1955 — Jacobs, Rene vs Berliner, Hans — 0-1 — ?
1957 — Casas Perea, Fernando vs Albert, Elise — 0-1 — Mar del Plata ARG
1958 — Trias Fernandes, Ramon vs Garcia Orus, Francisco — 0-1 — Catalunya