D25i — QGA: Janowski-Larsen (1912)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 5.Bxc4 e6 6.Qb3
Les coups candidats
6…Bxf3 — 92.3% (541 parties)
Ambassadeurs : Fominyh, Alexander (6x), Szilagyi, Gyorgy Laszlo (5x), Shianovsky, Vladislav I (4x), Spassky, Boris Vasily (4x), Faleg, Alberto (3x), Smyslov, Vasily (3x), Young, Alan (3x), Lundin, Jan (3x)
6…Qc8 — 3.2% (19 parties)
Ambassadeurs : Baumhackel, Mario (2x), Preisinger, F. (1x), Kramer, George (1x), Pacey, Kevin (1x), Deline, Ralph (1x), Schreiber, Kurt (1x), Zeiler, Klaus (1x), Stefanovic, Dragan (1x)
6…Nbd7 — 2.0% (12 parties)
Ambassadeurs : Reicher, Johannes (1x), Segal, Anton (1x), Spassky, Boris Vasily (1x), Klaric, Zlatko (1x), Collins, Richard (1x), Greenough, W. (1x), Gasztonyi, Endre (1x), Barczay, Laszlo (1x)
6…b6 — 1.9% (11 parties)
Ambassadeurs : Cheng, Winter (1x), Hoffmann, Regine (1x), Odachowski, Arthur (1x), Knoll, Frank (1x), Tulchinsky, Mikhail (1x), Nesterenko, Nikita (1x), Vazquez Clerici, M. (1x), Litvak, Sacha (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Bxf3 6…Qc8 6…Nbd7 6…b6
<1800 27 74% 4% 4% 15%
1800-2200 199 93% 4% 2% 1%
2200-2600 223 96% 3% 1% —
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 6…Bxf3 6…Qc8 6…Nbd7 6…b6
1950s 9 89% 11% — —
1960s 80 94% — 5% —
1970s 15 93% — — 7%
1980s 14 93% 7% — —
1990s 79 89% 8% — 4%
2000s 164 93% 3% 1% 2%
2010s 185 94% 3% 2% 1%
2020s 40 90% 2% 5% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Bxf3 94% 90% ▼ -3.5%
6…Qc8 3% 2% -0.2%
6…Nbd7 2% 5% ▲ +2.8%
6…b6 1% 2% ▲ +1.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Kramnik, Vladimir — 1 partie
Parties historiques
6…Bxf3 — 92.3% (541 parties)
1950 — Gereben, Erno vs Szilagyi, Gyorgy Laszlo — 1-0 — Budapest HUN
1951 — Kapu, Jeno vs Füster, Géza — 0-1 — Hungary ch
1951 — O'Kelly de Galway, Alberic vs Niephaus, Walter — 1-0 — Wiesbaden m Wiesbaden GER
1952 — Eliskases, Erich vs Prins, Lodewijk — 1-0 — Havana CUB
1954 — Evans, Larry vs Siemms, Ross E — 1-0 — Hollywood
6…Qc8 — 3.2% (19 parties)
1958 — Preisinger, F. vs Kramer, George — 0-1 — New York, NY USA
1987 — Pacey, Kevin vs Deline, Ralph — 1/2-1/2 — Brampton CAN
1992 — Hoenig, Alexander vs Mueller, Michael — 1/2-1/2 — Duesseldorf GER
1993 — Mwasi Ramon vs Malo, Antoine — 1-0 — AUEQ3 AGRUPACION -
1993 — Brasket, Curt J vs Thurman, John — 1-0 — Chicago open
6…Nbd7 — 2.0% (12 parties)
1963 — Spassky, Boris Vasily vs Klaric, Zlatko — 1-0 — Tournament Leningrad RUS
1963 — Gasztonyi, Endre vs Barczay, Laszlo — 1-0 — Budapest HUN
1964 — Reicher, Johannes vs Segal, Anton — 0-1 — Bucharest ROU
1966 — Collins, Richard vs Greenough, W. — 1-0 — Oxford ENG
2003 — Ruck, Robert vs Pasic, Enes — 1-0 — Neum BIH
6…b6 — 1.9% (11 parties)
1975 — Cheng, Winter vs Hoffmann, Regine — 1-0 — East Germany
1992 — Vazquez Clerici, M. vs Litvak, Sacha — 1-0 — Mar del Plata open
1997 — Odachowski, Arthur vs Knoll, Frank — 1-0 — Alberta
1997 — Tulchinsky, Mikhail vs Nesterenko, Nikita — 1-0 — RUS-Cup10 Tomsk RUS
2000 — Kalhorn, Stefan vs Schubert, Horst — 1/2-1/2 — Mecklenburg VP