A04z —
1.Nf3 c5 2.g3 g6 3.Bg2 Bg7
Les coups candidats
4.O-O — 61.3% (3495 parties)
Ambassadeurs : Bilek, Istvan (17x), Forintos, Gyozo V (10x), Lomsadze, Davit (10x), Csom, Istvan (9x), Szalanczi, Emil (9x), Doda, Zbigniew (8x), Ribli, Zoltan (8x), Todorcevic Antic, Miodrag (8x)
4.c4 — 18.4% (1047 parties)
Ambassadeurs : Loginov, Valery A (18x), Koehler, Josef (8x), Forintos, Gyozo V (6x), Kulpruethanon, Thanadon (6x), Barcza, Gedeon (5x), Maletin, Pavel (5x), Vaulin, Alexander P. (4x), Ermenkov, Evgenij (4x)
4.d4 — 8.9% (505 parties)
Ambassadeurs : Gutman, Lev (22x), Gutman, Leni (10x), Planinec, Albin (6x), Kekki, Jorma (6x), Dorfman, Iossif (5x), Zhelesny, Stanislav (5x), Van der Vliet, Fred (4x), Gheorghiu, Florin (4x)
4.d3 — 6.2% (354 parties)
Ambassadeurs : Belezky, Alexander (8x), Gierse, Heinz-Dieter, Dr. (5x), Ebner, Walter (5x), Wesnigk, Karl-Heinz (3x), Zivkovic, Zivojin (3x), García Velayos, Carlos Enrique (3x), Andersen, Borge (2x), Hesse, Peter (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.O-O 4.c4 4.d4 4.d3
<1800 113 62% 9% 6% 13%
1800-2200 1893 58% 19% 8% 10%
2200-2600 2790 63% 19% 10% 3%
2600+ 99 63% 19% 13%
Évolution par décennie (% des parties)
Décennie N parties 4.O-O 4.c4 4.d4 4.d3
1930s 1 100%
1940s 1 100%
1950s 26 50% 42%
1960s 148 66% 22% 5% 3%
1970s 335 69% 11% 11% 3%
1980s 374 64% 11% 13% 5%
1990s 999 63% 18% 7% 7%
2000s 1376 59% 17% 9% 9%
2010s 2032 60% 21% 9% 6%
2020s 411 62% 23% 9% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.O-O 60% 62% ▲ +2.1%
4.c4 21% 23% ▲ +2.1%
4.d4 9% 9% -0.4%
4.d3 6% 3% ▼ -2.4%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 5 parties
Kramnik, Vladimir — 3 parties
Carlsen, Magnus — 3 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 2 parties
Hou, Yifan — 2 parties
Gukesh D — 2 parties
Karpov, Anatoly — 1 partie
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Parties historiques
4.O-O — 61.3% (3495 parties)
1948 — Benderev, Yurij vs Dimitrov Krastev, Krastjo — 0-1 — Sofia BUL
1955 — Gabrovsek Zdravko vs Bogdanovic, Rajko — 0-1 — Ljubljana
1956 — Kostiuchenko, Alexander vs Rotstein, Jefim — 1-0 — Kiev UKR
1956 — Evans, Larry vs Reshevsky, Samuel — 1/2-1/2 — New York, NY USA
1957 — Fuchs, Reinhart vs Eising, Johannes — 1/2-1/2 — Soemmerda
4.c4 — 18.4% (1047 parties)
1951 — Lange, Wilfried vs Jaeger, Walter — 1-0 — Duesseldorf GER
1952 — Gaitanaros, George vs German, Eugenio — 1/2-1/2 — Helsinki olm
1953 — Fuchs, Reinhart vs Knothe, Karl — 1/2-1/2 — GDR-ch Jena GER
1956 — Lisitsin, Georgy vs Bannik, Anatolij — 0-1 — Leningrad ch-URS
1957 — Popov, Vesselin vs Milev, Zdravko — 1/2-1/2 — Sofia BUL
4.d4 — 8.9% (505 parties)
1960 — Sakhanovich vs Sakharov, Yuri N — 1-0 — Kiev UKR
1962 — Lindblom, Peter vs Malich, Burkhard, Dr. — 1/2-1/2 — Olympiad Varna BUL
1963 — Korchnoi, Viktor vs Wade, Robert G — 1-0 — Havana CUB
1964 — Hajtun, Jozsef vs Flesch, Jean-benoit — 0-1 — Budapest ch-HUN
1965 — Hollis, Adrian vs Keene, Raymond D — 1/2-1/2 — Hastings ENG
4.d3 — 6.2% (354 parties)
1935 — Lange, Wilfried vs Richter, Kurt P — 0-1 — Hannover GER
1962 — Flesch, Janos vs Strugach, Leonid — 1/2-1/2 — Minsk BLR
1963 — Konarkowska-Sokolov, Henrijeta vs Gaprindashvili, Nona — 0-1 — Split CRO
1965 — Hansen, Victor Juul vs Andersen, Borge — 0-1 — ?
1965 — Hansen, Victor vs Andersen, Borge — 0-1 — Aalborg ch-DEN