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B22o — Alapin (1964)
1.e4 c5 2.c3 Nf6 3.e5 Nd5
Les coups candidats
Ambassadeurs : Sveshnikov, Evgeny (109x), Woodhouse, Stephen V (90x), Vajda, Levente (83x), ? (78x), Lanin, Boris Dr (74x), Wakeham, Marc R. (68x), Blauert, Joerg (65x), Vlassov, Nikolai (63x)
Ambassadeurs : Marbourg, Denny (148x), Sveshnikov, Evgeny (121x), Godena, Michele (111x), Gaujens, Artis (111x), Karpatchev, Aleksandr (110x), Sermek, Drazen (95x), Jonkman, Harmen (87x), Markus, Roland (84x)
4.Bc4 — 4.1% (2279 parties)
Ambassadeurs : Gaujens, Artis (73x), Abreu, Marcio Marques (51x), Potapov, Pavel (44x), Kislinsky, Alexey (33x), Khamrakulov, Ibragim S. (27x), Waterfield, John W (23x), Marcuzzo, Giorgio (16x), Woerl, Richard (15x)
Ambassadeurs : Rozentalis, Eduardas (31x), Redko, Alyona (21x), Proehl, Holger (20x), Rogac, Srdjan (15x), Ofstad, Per (13x), Stolz, Mike (13x), Jakubiec, Artur (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 3353 72% 21% 5% 1%
1800-2200 23923 72% 22% 4% 2%
2200-2600 22209 63% 30% 4% 3%
2600+ 398 22% 59% 13% 6%
Évolution par décennie (% des parties)
Décennie N parties 4.d4 4.Nf3 4.Bc4 4.g3
1950s 74 78% 14% 5% 1%
1960s 198 77% 21% 1%
1970s 972 94% 5% 0% 0%
1980s 2051 96% 3% 1% 0%
1990s 9256 80% 14% 1% 4%
2000s 17507 72% 23% 3% 2%
2010s 17927 64% 28% 5% 2%
2020s 7246 46% 42% 11% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.d4 64% 46% ▼ -18.1%
4.Nf3 28% 42% ▲ +13.5%
4.Bc4 5% 11% ▲ +5.5%
4.g3 2% 1% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Carlsen, Magnus — 10 parties
Tal, Mikhail — 9 parties
Hou, Yifan — 9 parties
Anand, Viswanathan — 7 parties
Kramnik, Vladimir — 7 parties
Ju, Wenjun — 7 parties
Gukesh D — 6 parties
Botvinnik, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
4.d4 — 68.8% (37991 parties)
1951 — Szabadi, Elemer vs Szabo, Laszlo — 0-1 — Hungary ch
1951 — Teschner, Rudolf vs Lehmann, Heinz — 1-0 — FRG-ch Duesseldorf GER
1952 — Calatayud, Manuel vs Garcia Vera, Romeo — 1/2-1/2 — Rosario ARG
1953 — Abhishek Mari S vs Pirc, Vasja — 1/2-1/2 — Zagreb CRO
1953 — Bogdanovic, Rajko vs Janosevic, Dragoljub — 0-1 — Zagreb CRO
4.Nf3 — 24.7% (13619 parties)
1951 — Staudte, Hans-Hilmar vs Muhring, Willem Jan — 1-0 — Duesseldorf GER
1953 — Canal, Esteban vs Bosch van Rosenthal, Edzard — 1/2-1/2 — Venice ITA
1957 — Canal, Esteban 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 — 4.1% (2279 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 — Puig, Adria vs Jongsma, Alexander — 1-0 — Bern SUI
4.g3 — 2.2% (1190 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