B22a — Alapin (1954)
1.e4 c5 2.c3 g6 3.d4
Les coups candidats
Ambassadeurs : Kaposztas, Miklos (18x), Kostouros, Alexandros (13x), Pogonina, Natalija (12x), Dragojlovic, Andjelko (11x), Waterfield, John W (10x), Van Mil, Johannes A J (9x), Tomazini, Zan (9x), Spanton, Tim R (8x)
3…Bg7 — 5.2% (229 parties)
Ambassadeurs : Bangiev, Alexander (3x), Lehtivaara, Risto (2x), Paavilainen, Jorma (2x), Milos, Gilberto (2x), Quinteros, Miguel A. (2x), Godena, Michele (2x), Tagnon, Nicole (2x), Langhans, Joerg (2x)
3…Qc7 — 2.3% (99 parties)
Ambassadeurs : Wippermann, Till (4x), Schneider, Ilja (3x), Arnaudov, Petar (2x), Raupach, Philipp (2x), Zumsande, Martin (2x), Shahade, Gregory (2x), Droll, Johannes (2x), Metaxasz, Vaszilisz (2x)
3…b6 — 1.9% (85 parties)
Ambassadeurs : Arnaudov, Petar (2x), Williams, John (2x), Metaxasz, Vaszilisz (2x), Kipp, Lucas (2x), Blackstone, John (1x), Critchlow, Arthur (1x), Nielsen, Peter Heine (1x), Abata Paspuel, Anderson Eduardo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…cxd4 3…Bg7 3…Qc7 3…b6
<1800 382 90% 5% 0% 2%
1800-2200 2335 90% 5% 2% 2%
2200-2600 1335 88% 5% 3% 1%
2600+ 3 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 3…cxd4 3…Bg7 3…Qc7 3…b6
1950s 5 — 60% 20% 20%
1960s 14 79% — 14% —
1970s 54 74% 11% 9% 4%
1980s 104 71% 22% 1% 1%
1990s 608 80% 9% 4% 3%
2000s 1362 88% 4% 2% 3%
2010s 1837 92% 4% 2% 1%
2020s 415 91% 3% 1% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…cxd4 92% 91% ▼ -1.2%
3…Bg7 4% 3% -0.4%
3…Qc7 2% 1% -0.1%
3…b6 1% 0% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 1 partie
Parties historiques
3…cxd4 — 88.0% (3869 parties)
1960 — Veizaj, Mendim vs Myagmarsuren, Lkhamsuren — 0-1 — Leipzig GER
1963 — Puig, Pedro vs Huguet, Bernard — 1/2-1/2 — Paris FRA
1963 — Milev, Angel vs Peev, Peicho — 1-0 — Sofia BUL
1964 — Roth, Rolf vs Kristinsson, Jon — 1-0 — Tel Aviv ISR
1964 — Abhishek Mari S vs Forintos, Gyozo V — 1/2-1/2 — Bordeaux FRA
3…Bg7 — 5.2% (229 parties)
1954 — Basjuni, Sad Zaglul vs Szabo, Laszlo — 0-1 — Prague CZE
1959 — Stein, Leonid vs Nei, Iivo — 0-1 — Moscow RUS
1959 — Stein Septiano Malewa Kleden vs Nei Mang — 0-1 — USSR ch sf
1971 — Kaplan, Julio vs Soltis, Andrew — 1-0 — Mayaguez
1972 — Belarbi, Toulouse vs Prochaska, Peter — 1-0 — Berkeley
3…Qc7 — 2.3% (99 parties)
1952 — Minev, Nikolay N vs Tsvetkov, Alexandar K — 0-1 — Sofia BUL
1969 — Benko, Francisco vs Bronstein, Luis Marcos — 0-1 — Buenos Aires ch-ARG
1969 — Hermann, Manfred vs Klein, Manfred — 0-1 — FRG-ch Koenigsfeld GER
1971 — Zalys, Ignas vs Johnston, Murray — 0-1 — Montreal Open
1971 — Angelov, Kosta vs Arnaudov, Petar — 0-1 — Sofia BUL
3…b6 — 1.9% (85 parties)
1957 — Blackstone, John vs Critchlow, Arthur — 1-0 — Monterey, CA
1977 — Short, Nigel D vs Sendur, Adnan — 1-0 — Cagnes sur Mer jr
1979 — Olivotto, Roberto vs Laco, Giuseppe — 0-1 — ITA-ch39 Venezia Lid
1988 — Nielsen, Peter Heine vs Abata Paspuel, Anderson Eduardo — 1-0 — Jonkoping
1990 — Winston, Harold vs Latimer, Ed — 1-0 — ?