A22k — Smyslov System (1966)
1.c4 e5 2.Nc3 Nf6 3.g3 Bb4
Les coups candidats
Ambassadeurs : Morihama, Nicolau (86x), Miezis, Normunds (82x), Morley, Paul (39x), Vetter, Udo (31x), Sitorus, Yosua (30x), Marko, Martin (29x), Schindler, Sven (25x), Roxo, Agostinho José Gonç (21x)
4.Nf3 — 5.5% (550 parties)
Ambassadeurs : Almarza Mato, Carlos (20x), Portisch, Lajos (11x), Portych, Václav (11x), Vecek, Marjan (9x), Voetter, Hans-Dieter Dr (7x), Psakhis, Lev (6x), Kratochvíl, Jan (6x), Kroll, Ove (5x)
4.e4 — 3.5% (345 parties)
Ambassadeurs : Ellis, James (25x), Bratholm, Palle Skov (10x), Knöppel, Björn (7x), Huffstatler, Victor (7x), Clarke, James (7x), Löschnauer, Rüdiger (6x), Caruana, Fabiano (5x), Deneuville, Christian (5x)
4.Nd5 — 2.5% (251 parties)
Ambassadeurs : Moravec, Michal (4x), Alcala Garces, Martin Alejandro (3x), Smejkal, Ladislav (2x), Caruana, Fabiano (2x), Smit, Frans P. (2x), Molina, Vicente Andres (2x), Westphal, Norbert, Dr. (1x), Salzmann, Peter (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Bg2 4.Nf3 4.e4 4.Nd5
<1800 693 80% 4% 4% 3%
1800-2200 3936 83% 6% 4% 3%
2200-2600 3388 86% 5% 4% 2%
2600+ 186 70% 16% 12% 1%
Évolution par décennie (% des parties)
Décennie N parties 4.Bg2 4.Nf3 4.e4 4.Nd5
1950s 4 100%
1960s 83 98%
1970s 436 90% 6% 0%
1980s 519 90% 5% 0% 1%
1990s 1466 87% 4% 3%
2000s 2561 87% 5% 0% 2%
2010s 3358 82% 8% 1% 3%
2020s 1524 72% 3% 19% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Bg2 82% 72% ▼ -10.1%
4.Nf3 8% 3% ▼ -4.9%
4.e4 1% 19% ▲ +17.6%
4.Nd5 3% 3% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 7 parties
Carlsen, Magnus — 7 parties
Botvinnik, Mikhail — 4 parties
Tal, Mikhail — 4 parties
Gukesh D — 3 parties
Smyslov, Vladimir — 1 partie
Parties historiques
4.Bg2 — 83.6% (8317 parties)
1952 — Illgen, Alexander vs Juergens, Norbert — 1/2-1/2 — Guetersloh
1956 — Jaki, Ingo vs Deppe, Georg — 1-0 — ?
1959 — Bertok, Mario Jr. vs Ivkovic, Dusan — 0-1 — Kragujevac ch14-YUG
1959 — Olafsson, Fridrik vs Smyslov, Vasily — 0-1 — Bled SLO
1960 — Eliskases, Erich vs Behrensen, Jorge — 1/2-1/2 — Buenos Aires ch-ARG
4.Nf3 — 5.5% (550 parties)
1971 — Andriessen, Bart Jan vs Ree, Hans — 1/2-1/2 — Leeuwarden ch-NED
1972 — Kushnir, Alla vs Litynska, Marta — 1-0 — Moscow RUS
1972 — Hartoch, Robert G vs Hecht, Hans-Joachim — 0-1 — Montilla ESP
1972 — Stean, Michael F vs Hartston, William R — 1-0 — Brighton ch-BCF
1972 — Huebner, Robert vs Jansson, Borje — 1-0 — Skopje olm
4.e4 — 3.5% (345 parties)
1989 — Zunke, Joachim vs Schuetz, Hans-Joachim — 1-0 — corr DDR
2000 — Petursson, Margeir vs Anand, Viswanathan — 0-1 — Kopavogur Chess@iceland Semif
2002 — Georgiev, Vladimir vs Dorfman, Iossif — 1-0 — Bled SLO
2003 — Georgiev, Vladimir vs Klinova, Masha — 1/2-1/2 — Saint Vincent ITA
2003 — Georgiev, Vladimir vs Jovanic, Ognjen — 1/2-1/2 — Ljubljana
4.Nd5 — 2.5% (251 parties)
1979 — Lither, David vs OBrien, Erik Michael — 0-1 — Santa Rosa Chess Club
1982 — Irle, A. vs Karger, Frank — 0-1 — corr DDR
1982 — Almada, Enrique vs Bauza, Alejandro — 1/2-1/2 — ch URU
1983 — Gohl, Peter vs Kummer, Helmut — 1-0 — Zurich SUI
1984 — Westphal, Norbert, Dr. vs Salzmann, Peter — 1-0 — Ottendorf Okrilla