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A03a — Lasker (1927)
1.f4 d5 2.Nf3 Nf6 3.e3 g6
Les coups candidats
4.b3 — 35.3% (1085 parties)
Ambassadeurs : Heinola, Kari P. (16x), Hanegby, Avigdor (14x), Abdi, Andreas (7x), Chura, Michal (7x), Pirc, Vasja (6x), Dierkes, Heinrich (4x), Antonio, Conceicao (4x), Richard, Andy (4x)
4.Be2 — 25.6% (785 parties)
Ambassadeurs : Hayward, Keith (50x), Bester, Kazimierz (21x), Abdi, Andreas (11x), Bohn, Thomas, Dr. (11x), Schmidt-Schaeffer, Sebastian, Dr. (10x), Bryntse, Arne (8x), Richard, Andy (8x), Hayward, Alan (5x)
4.d4 — 16.6% (510 parties)
Ambassadeurs : Costa Trave, Jaume (12x), Sanz Perez, Eduardo (6x), Korning, Peter (5x), Javor, Sandor (5x), Kasanicky, Richard (4x), Nowak, Andrzej (4x), Fiedler, Wolfgang (4x), Roynet, Sylvie (4x)
4.b4 — 11.2% (343 parties)
Ambassadeurs : Kaminski, Janusz (11x), Fagerbekk, Egil (8x), Hess, Helmut (6x), Babb, Jeff (6x), Larsen, Bent Ravn (5x), Bruce, Robert (5x), Johansson, Kjell-Ake (4x), Babionyshev, Vladimir (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.b3 4.Be2 4.d4 4.b4
<1800 287 35% 26% 17% 7%
1800-2200 1494 37% 22% 19% 11%
2200-2600 426 27% 31% 18% 15%
2600+ 7 — 43% — 43%
Évolution par décennie (% des parties)
Décennie N parties 4.b3 4.Be2 4.d4 4.b4
1950s 50 52% 22% 12% 2%
1960s 72 38% 26% 12% 18%
1970s 61 38% 25% 11% 11%
1980s 203 33% 43% 7% 14%
1990s 515 41% 23% 17% 10%
2000s 979 35% 22% 19% 12%
2010s 1012 31% 27% 18% 12%
2020s 179 42% 26% 11% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.b3 31% 42% ▲ +11.3%
4.Be2 27% 26% ▼ -1.6%
4.d4 18% 11% ▼ -6.8%
4.b4 12% 7% ▼ -4.4%
Joueurs célèbres
Champions du monde dans cette position
Gukesh D — 1 partie
Parties historiques
4.b3 — 35.3% (1085 parties)
1950 — Hopp, Asher vs Budrich, Edmund — 0-1 — Berlin GER
1950 — Eret, Jaroslav vs Ujtelky, Maximilián Samuel Rudolf — 0-1 — USSR
1951 — Tartakower, Savielly vs Pirc, Vasja — 0-1 — Birmingham ENG
1952 — Mandrov, Dimitar vs Neikirkh, Oleg — 0-1 — Sofia BUL
1952 — Szabo, Stefan vs Tarnowski, Alfred — 0-1 — Miedzyzdroje
4.Be2 — 25.6% (785 parties)
1952 — Korchnoi, Viktor vs Flohr, Salo — 1/2-1/2 — Minsk BLR
1952 — Williams, J Noel vs Guze, Max — 1-0 — Montreal CAN
1954 — Minev, Nikolay N vs Neikirkh, Oleg — 1-0 — BUL-ch m
1954 — Erwin, E. vs Slavich, Jerry — 0-1 — San Luis Obispo, CA
1955 — Pelikan, Jorge vs Reinhardt, Enrique — 0-1 — Buenos Aires ARG
4.d4 — 16.6% (510 parties)
1950 — Tartakower, Savielly vs Castillo Bermudez, Manuel — 1/2-1/2 — Dubrovnik CRO
1950 — Ragozin, Viacheslav vs Panov, Vasily — 1/2-1/2 — Ch URS (1/2 final), Kiev UKR
1954 — Harzer, Paul vs Reichenbach, Werner — 0-1 — Schkopau
1955 — Dunst, Theodore Alexander vs Bernstein, Alexander — 0-1 — New York, NY USA
1958 — Gusev, Aleksandr vs Vikovsky — 1/2-1/2 — Moscow RUS
4.b4 — 11.2% (343 parties)
1959 — Larsen, Bent Ravn vs Simagin, Vladimir — 1/2-1/2 — Moscow RUS
1960 — Larsen, Bent Ravn vs Udovcic, Mijo — 0-1 — Sarajevo BIH
1962 — Larsen, Bent Ravn vs Dely, Peter — 1-0 — Moscow RUS
1963 — Burehall, Arne vs Lundin, Erik — 1/2-1/2 — Sweden
1963 — Larsen, Bent Ravn vs Donner, Jan-Hein — 0-1 — Halle zt