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A29b — Four Knights (1914)
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 g6
Les coups candidats
5.Bg2 — 69.9% (636 parties)
Ambassadeurs : Bacrot, Etienne (14x), Johansen, Anders S. (5x), Eising, Johannes (3x), Johansen, Darryl K (3x), Vachier-Lagrave, Maxime (3x), Lehmann, Heinz (2x), O'Kelly de Galway, Alberic (2x), Averbakh, Yuri L (2x)
Ambassadeurs : Uhlmann, Wolfgang (6x), Gheorghiu, Florin (3x), Petursson, Margeir (3x), Backe, Peter (3x), Solonar, Stefan (3x), Keene, Raymond D (2x), Lakdawala, Cyrus (2x), Khechen, Nabil E (2x)
5.d3 — 1.3% (12 parties)
Ambassadeurs : Mironchik, Alexandr Fedorovich (2x), Sosenkov, Leonid Andreevich (2x), Suarez Antonio, Leonel (1x), Rueda Osorio, Anibal (1x), Arcusa, Michel (1x), Normand, Vincent (1x), Seel, Christian, Dr. (1x), Schaefer, Juergen (1x)
5.a3 — 0.4% (4 parties)
Ambassadeurs : Galvin, John H (1x), Henry, William (1x), Morley, Paul (1x), Marchant, Murray Scott (1x), Katris, Andreas (1x), Richardt, Mike (1x), Dineen, Thomas (1x), Gossmann, Ewald (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Bg2 5.d4 5.d3 5.a3
<1800 58 91% 3% 3% 2%
1800-2200 302 77% 21% 2% 0%
2200-2600 331 62% 37% — 0%
2600+ 49 47% 53% — —
Évolution par décennie (% des parties)
Décennie N parties 5.Bg2 5.d4 5.d3 5.a3
1950s 5 40% 60% — —
1960s 16 69% 31% — —
1970s 44 64% 36% — —
1980s 63 57% 40% 2% 2%
1990s 233 64% 35% 1% —
2000s 229 71% 25% 3% 0%
2010s 267 77% 22% 1% 0%
2020s 53 79% 17% — 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Bg2 77% 79% ▲ +2.5%
5.d4 22% 17% ▼ -4.7%
5.d3 1% 0% ▼ -1.1%
5.a3 0% 2% ▲ +1.5%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 4 parties
Karpov, Anatoly — 3 parties
Anand, Viswanathan — 2 parties
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Parties historiques
5.Bg2 — 69.9% (636 parties)
1957 — Petrosian, Tigran V. vs Keres, Paul Petrovich — 1/2-1/2 — Moskou ch-URS
1958 — Filip, Miroslav vs Averbakh, Yuri L — 1/2-1/2 — Portoroz SLO
1963 — Kots, Yuri I vs Shianovsky, Vladislav I — 0-1 — Kiev UKR
1963 — Sarosy, Zoltan L vs Greenberg, Joe — 1-0 — Toronto CAN
1964 — Reissenberger, L. vs Marchisotti, E. — 1-0 — corr FS
5.d4 — 28.0% (255 parties)
1953 — Polugaevsky, Lev vs Sorokin, Nikolay Tikhovich — 1-0 — Leningrad RUS
1954 — Koberl, Ferenc vs Ozsvath, Andras — 1-0 — Hungary ch
1956 — O'Kelly de Galway, Alberic vs Clarke, Peter — 1-0 — Hastings ENG
1960 — Peterson, Andrejs vs Keres, Paul — 1/2-1/2 — Parnu EST
1965 — Sarosy, Zoltan L vs Aker-Ityo, Kater John — 0-1 — Toronto CAN
5.d3 — 1.3% (12 parties)
1989 — Suarez Antonio, Leonel vs Rueda Osorio, Anibal — 1-0 — Gran Canaria
1991 — Arcusa, Michel vs Normand, Vincent — 1/2-1/2 — Provence
1998 — Seel, Christian, Dr. vs Schaefer, Juergen — 0-1 — GER
2001 — Nabiullin, Artur vs Yaksin, Oleg — 1-0 — Serpukhov
2003 — Lloyd, Adrian vs McAlpine, Ian — 1-0 — ?
5.a3 — 0.4% (4 parties)
1988 — Galvin, John H vs Henry, William — 1/2-1/2 — ?
2008 — Morley, Paul vs Marchant, Murray Scott — 1-0 — ICCF
2015 — Katris, Andreas vs Richardt, Mike — 1/2-1/2 — ICCF
2021 — Dineen, Thomas vs Gossmann, Ewald — 1-0 — FICGS