D24b — QGA (1907)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3 e6 5.Bg5
Les coups candidats
5…a6 — 25.1% (315 parties)
Ambassadeurs : Balta, Mihai Victor (11x), Krimbacher, Walter (4x), Nogueiras Santiago, Jesus (3x), Ruiz-Jarabo Pelayo, Francisco (3x), Sveshnikov, Evgeny (2x), Lerner, Konstantin Z (2x), Korneev, Oleg (2x), Hnydiuk, Aleksander (2x)
Ambassadeurs : Timman, Jan H (4x), Ribli, Zoltan (4x), Karpov, Anatoly (3x), Jonkman, Harmen (3x), Horvath, Csaba (3x), Shchekachev, Andrei (3x), Wall, Jerry (2x), Wall, Bill (2x)
5…Be7 — 23.7% (297 parties)
Ambassadeurs : Klausen, Knud (2x), Petidis, Kostas (2x), Gomez Guardo, Laura Melissa (2x), Jakab, Robert (2x), Koller, Alexander (1x), Goncharoff, Nik (1x), Matias, Irineo C (1x), Leonard, Thomas (1x)
Ambassadeurs : Lukacs, Peter (6x), Hebden, Mark L (5x), Beltz, Martina (2x), Ivanchuk, Vasyl (2x), Pinter, Jozsef (2x), Bryson, Douglas M (2x), Pavasovic, Dusko (2x), Nuenchert, Eveline (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…a6 5…Bb4 5…Be7 5…c6
<1800 106 18% 8% 45% 6%
1800-2200 447 28% 17% 28% 12%
2200-2600 414 32% 37% 4% 14%
2600+ 54 39% 50% 2% 6%
Évolution par décennie (% des parties)
Décennie N parties 5…a6 5…Bb4 5…Be7 5…c6
1950s 1
1960s 8 12% 12% 12%
1970s 14 7% 14% 43% 14%
1980s 63 13% 33% 17% 27%
1990s 168 4% 27% 36% 14%
2000s 356 7% 33% 35% 10%
2010s 458 31% 22% 19% 12%
2020s 186 72% 8% 5% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…a6 31% 72% ▲ +40.7%
5…Bb4 22% 8% ▼ -14.0%
5…Be7 19% 5% ▼ -13.9%
5…c6 12% 4% ▼ -8.0%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 3 parties
Karpov, Anatoly — 3 parties
Kramnik, Vladimir — 2 parties
Carlsen, Magnus — 2 parties
Anand, Viswanathan — 2 parties
Ding, Liren — 1 partie
Parties historiques
5…a6 — 25.1% (315 parties)
1965 — Buerger, E. vs Bikulcius, J. — 1-0 — Illinois Open
1979 — Razuvaev, Yuri S vs Sveshnikov, Evgeny — 1/2-1/2 — ?
1980 — Lerner, Konstantin Z vs Sveshnikov, Evgeny — 1-0 — Tashkent UZB
1980 — Vaganian, Rafael A vs Dobosz, Henryk — 1-0 — Erevan ARM
1986 — Adorjan, Alex vs Nogueiras Santiago, Jesus — 1/2-1/2 — Szirak
5…Bb4 — 24.0% (301 parties)
1964 — Averbakh, Yuri L vs Estrin, Yakov — 1-0 — Moscow RUS
1975 — Wall, Jerry vs Wall, Bill — 0-1 — ?
1975 — Wall, Jerry vs Wall, Bill — 1/2-1/2 — Stony Point,NC
1987 — Miles, Anthony J vs Sosonko, Gennadi — 1/2-1/2 — Wijk aan Zee NED
1987 — Rossiter, Philip J vs Conquest, Stuart C — 0-1 — Swansea ch-BCF
5…Be7 — 23.7% (297 parties)
1962 — Koller, Alexander vs Goncharoff, Nik — 1/2-1/2 — ?
1972 — Klausen, Knud vs Jackson F. Saysay — 1/2-1/2 — Pula CRO
1972 — Hulse, M. vs Morales Nestor — 0-1 — Berkeley
1975 — Klausen, Knud vs Vaccani, Mario — 1-0 — Bad Berleburg
1977 — Ludden, Gert-Jan vs Brouwer, Erik — 1-0 — ?
5…c6 — 11.2% (141 parties)
1978 — Beltz, Martina vs Nuenchert, Eveline — 0-1 — Torgelow
1978 — Beltz, Martina vs Burchardt, Brigitte — 1/2-1/2 — Halle GER
1981 — Mochalov, Evgeny V vs Sveshnikov, Evgeny — 1-0 — Chelyabinsk RUS
1981 — Hotari, Juha vs Filen, Hannu — 1-0 — ?
1985 — Lechtynsky, Jiri vs De La Huerta Sanchez, Francisco — 1/2-1/2 — Cienfuegos City CUB