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B22h — Alapin
1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3
Les coups candidats
Ambassadeurs : Georgiev, Vladimir (29x), Shishkin, Vadim (18x), Kalod, Radek (13x), Vajda, Levente (13x), ? (12x), Lardot, Derik (11x), Kerek, Csaba (11x), Jahn, Constanze (11x)
Ambassadeurs : Ryjanova, Julia (11x), Kurajica, Bojan (10x), Shishkin, Vadim (9x), Prudnikova, Svetlana (8x), Longson, Sarah N (8x), Lazarne Vajda, Szidonia (7x), Philippe, Christophe (7x), Beshukov, Sergei (7x)
Ambassadeurs : Valet, Richard (13x), Afek, Yochanan (10x), Frijling, Jeroen (8x), Sveshnikov, Evgeny (7x), Vogel, Robert (6x), Engelbert, Christoph (5x), Buchnicek, Petr (5x), Dolezal, Radoslav (5x)
Ambassadeurs : Verstraeten, Rein (10x), Cramling, Pia (10x), Hellwege, Werner (8x), Tomazini, Zan (8x), Antolak, Julia (8x), Kathmale, Sameer (7x), Stevic, Hrvoje (7x), Maroroa Jones, Gawain C B (6x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Bg4 5…Nf6 5…cxd4 5…Bf5
<1800 1157 50% 11% 15% 12%
1800-2200 7853 50% 13% 14% 10%
2200-2600 4964 40% 18% 12% 14%
2600+ 57 23% 19% 4% 42%
Évolution par décennie (% des parties)
Décennie N parties 5…Bg4 5…Nf6 5…cxd4 5…Bf5
1950s 47 62% 9% 15% 2%
1960s 33 45% 12% 21% —
1970s 147 46% 7% 21% 3%
1980s 541 35% 23% 16% 1%
1990s 3523 51% 17% 16% 1%
2000s 4868 54% 14% 16% 1%
2010s 5025 45% 11% 10% 22%
2020s 1534 29% 19% 7% 34%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Bg4 45% 29% ▼ -15.7%
5…Nf6 11% 19% ▲ +8.0%
5…cxd4 10% 7% ▼ -2.4%
5…Bf5 22% 34% ▲ +11.7%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Kramnik, Vladimir — 4 parties
Carlsen, Magnus — 4 parties
Karpov, Anatoly — 2 parties
Ju, Wenjun — 2 parties
Gukesh D — 2 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Parties historiques
5…Bg4 — 47.3% (7430 parties)
1950 — Michel, Paul vs Eros, Plata — 1-0 — Vienna AUT
1951 — Rellstab, Ludwig vs Kovacs, MG. — 1/2-1/2 — Vienna AUT
1952 — Dworzynski, Roman vs Szapiel, Henryk — 1-0 — Katowice POL
1952 — Rellstab, Ludwig vs Lokvenc, Josef — 1/2-1/2 — Vienna AUT
1953 — Padevsky, Nikola vs Herrmann, Ludwig — 1-0 — Sofia BUL
5…Nf6 — 14.5% (2285 parties)
1956 — Brieger, Robert Sinclair vs Owens, Brian — 1/2-1/2 — Oklahoma City, OK USA
1957 — Gumprich, Kurt vs Schuster, Theodor — 0-1 — Bad Neuenahr GER
1959 — Kostov, Petko vs Dimitrov, Ilia — 0-1 — Sofia BUL
1959 — Randviir, Juri vs Furman, Semyon — 1/2-1/2 — Moscow RUS
1962 — Rostovtsev, Yuri vs Zurakhov, Vladlen Y — 1/2-1/2 — ?
5…cxd4 — 13.1% (2058 parties)
1952 — Rellstab, Ludwig vs Beni, Alfred — 0-1 — Vienna AUT
1953 — Abhishek Mari S vs Bogdanovic, Rajko — 1/2-1/2 — Zagreb CRO
1955 — Neufahrt, Gerhard vs Suk Ivan — 1-0 — ?
1956 — Kivcovic vs Forintos, Gyozo V — 1-0 — ?
1956 — Braun, Gottfried, Dr. vs Baumbach, Friedrich, Dr. — 1/2-1/2 — Zittau
5…Bf5 — 10.8% (1704 parties)
1953 — Dodero, Emilio vs Beretta, Hector — 1/2-1/2 — Buenos Aires ARG
1970 — Salameh, Charles vs De Castro, Edgar — 1/2-1/2 — Siegen GER
1975 — De Jonghe, Bruno vs Wauthier, Pierre — 1/2-1/2 — Ghent
1976 — Braun, Gottfried, Dr. vs Moebius, Rainer — 1/2-1/2 — Spremberg
1979 — Braun, Gottfried, Dr. vs Mobius, R. — 0-1 — Gera