B22o — Alapin
1.e4 c5 2.c3 Nf6 3.e5 Nd5
Eval: [+0.07]
Les coups candidats
Ambassadeurs : Sveshnikov, Evgeny (107x), Woodhouse, Stephen V (89x), Lanin, Boris Dr (74x), ? (72x), Wakeham, Marc R. (68x), Hausdorf, Heinz (63x), Vlassov, Nikolai (55x), Panov, Dmitry (54x)
Ambassadeurs : Marbourg, Denny (148x), Gaujens, Artis (128x), Sveshnikov, Evgeny (122x), Godena, Michele (110x), Karpatchev, Aleksandr (109x), Sermek, Drazen (94x), Jonkman, Harmen (87x), Vysochin, Spartak (82x)
4.Bc4 — 3.9% (2098 parties)
Ambassadeurs : Gaujens, Artis (73x), Marchisotti, Mauro Dr (51x), Potapov, Pavel (44x), Kislinsky, Alexey (32x), Waterfield, John W (23x), Khamrakulov, Ibragim S. (21x), Marcuzzo, Giorgio (16x), Woerl, Richard (15x)
Ambassadeurs : Rozentalis, Eduardas (30x), Redko, Alyona (21x), Proehl, Holger (20x), Ofstad, Per (13x), Rogac, Srdjan (13x), Jakubiec, Artur (12x), Russell, Christopher (12x), Demkovich, Anatoliy (10x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.d4 4.Nf3 4.Bc4 4.g3
<1800 1521 75% 19% 4% 1%
1800-2200 20029 73% 21% 4% 2%
2200-2600 23891 63% 30% 4% 3%
2600+ 454 25% 59% 11% 5%
Évolution par décennie (% des parties)
Décennie N parties 4.d4 4.Nf3 4.Bc4 4.g3
1920s 1 100%
1930s 1 100%
1940s 3 100%
1950s 74 78% 14% 5% 1%
1960s 198 77% 21% 1%
1970s 966 94% 5% 0% 0%
1980s 2043 96% 3% 1% 0%
1990s 9222 80% 14% 1% 4%
2000s 17478 72% 23% 3% 2%
2010s 17860 64% 28% 5% 2%
2020s 5809 47% 42% 10% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.d4 64% 47% ▼ -17.8%
4.Nf3 28% 42% ▲ +13.7%
4.Bc4 5% 10% ▲ +5.0%
4.g3 2% 1% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 9 parties
Tal, Mikhail — 8 parties
Ju, Wenjun — 7 parties
Anand, Viswanathan — 6 parties
Kramnik, Vladimir — 6 parties
Gukesh D — 6 parties
Smyslov, Vladimir — 3 parties
Alekhine, Alexander — 1 partie
Euwe, Max — 1 partie
Botvinnik, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
4.d4 — 69.4% (37254 parties)
1920 — Tartakower, Savielly vs Reti, Richard — 1-0 — Vienna m Vienna AUT
1934 — Rosenberger, Coelestin vs Becker, Albert — 0-1 — Vienna AUT
1942 — Alekhine, Alexander vs Foltys, Jan — 1/2-1/2 — Prague CZE
1943 — Foltys, Jan vs Sajtar, Jaroslav — 1-0 — Prague CZE
1943 — Rellstab, Ludwig vs Foltys, Jan — 0-1 — Salzburg AUT
4.Nf3 — 24.2% (12987 parties)
1951 — Staudte, Hans-Hilmar vs Muhring, Willem Jan — 1-0 — Dusseldorf FRG-NLD
1953 — Canal, Esteban vs Van Scheltinga, Theo — 1/2-1/2 — Venice ITA
1957 — Astete Canal, Luisa Fernanda vs Scafarelli, Francesco — 1-0 — San Benedetto
1958 — Heidenfeld, Wolfgang vs Primavera, Giuseppe — 1/2-1/2 — Munich GER
1958 — Heidenfeld, Wolfgang vs Johannsson, Ingi R — 1/2-1/2 — Munich GER
4.Bc4 — 3.9% (2098 parties)
1955 — Kopilov, Nikolay Georgiyevich vs Aronson, Lev — 1-0 — Leningrad RUS
1956 — Hansen, David vs Carter, Montie — 0-1 — San Quentin, CA
1957 — Puig, Pedro vs Franco Raymundo, Eduardo — 1-0 — Zaragoza
1959 — Tatai, Stefano vs Scafarelli, Francesco — 1-0 — Varazze ITA
1962 — Alemany Puig, Lluis vs Jongsma, Alexander — 1-0 — Bern SUI
4.g3 — 2.2% (1175 parties)
1959 — Nassif, Dick vs Harmon, Clark — 0-1 — Omaha
1971 — Moldavsky, Roman S. vs Khaslavsky — 1-0 — Moscow RUS
1988 — Vitic, Ivan vs Glaser, Jens — 1-0 — Czechoslovakia
1990 — Rozentalis, Eduardas vs Panzalovic, Srdjan — 1/2-1/2 — Biel op Biel SUI
1990 — Rozentalis, Eduardas vs Dvoirys, Semen I. — 1/2-1/2 — Leningrad RUS