B23y - 2…Nc6 3.f4 g6 4.Nf3 Bg7 5.Bb5 Nd4 6.O-O - Closed Grand Prix [-0.32]

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B23y — Closed Grand Prix
1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bb5 Nd4 6.O-O
Eval: [-0.32]
Les coups candidats
6…Nxb5 — 54.4% (3138 parties)
Ambassadeurs : Koronowski, Heinz-Juergen (26x), Broadway, Dennis (21x), Fritsche, Frank (21x), Dellenbach, Jean-Paul (19x), Kahl, Fred (17x), Szell, Lajos (16x), cstarx (16x), Burke, Mitchell R (15x)
6…a6 — 32.3% (1862 parties)
Ambassadeurs : Fritsche, Frank (25x), Boulanger, Michel (16x), Oren, Itamar (15x), Koronowski, Heinz-Juergen (15x), Renard, Stéphane (15x), Broadway, Dennis (12x), Chaves, Joara (11x), Burke, Mitchell R (11x)
6…e6 — 11.3% (654 parties)
Ambassadeurs : Szell, Lajos (6x), Van Liempt, Michael (4x), Lyell, Mark (4x), Milnes, Anthony C P (4x), Stanojoski, Zvonko (4x), Plaskett, H James (3x), Perelshteyn, Eugene (3x), Bamber, Elaine (3x)
6…Nh6 — 1.5% (84 parties)
Ambassadeurs : Snape, Ian L (6x), Franklin, Samuel G A (6x), Greig, Steve (4x), Lyell, Mark (3x), Dellenbach, Jean-Paul (3x), Bugalski, Michal (2x), Wojtaszek, Radoslaw (2x), Heberla, Bartlomiej (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Nxb5 6…a6 6…e6 6…Nh6
<1800 245 54% 33% 11% 0%
1800-2200 2827 51% 35% 12% 2%
2200-2600 1872 53% 33% 12% 2%
2600+ 13 46% 38% 15% —
Évolution par décennie (% des parties)
Décennie N parties 6…Nxb5 6…a6 6…e6 6…Nh6
1950s 1 100% — — —
1960s 11 45% 27% 9% 18%
1970s 5 60% 40% — —
1980s 84 49% 36% 15% —
1990s 349 55% 25% 19% 1%
2000s 1699 61% 24% 13% 1%
2010s 3040 53% 35% 10% 1%
2020s 584 42% 46% 9% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Nxb5 53% 42% ▼ -11.5%
6…a6 35% 46% ▲ +11.8%
6…e6 10% 9% ▼ -1.5%
6…Nh6 1% 3% ▲ +1.4%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 2 parties
Anand, Viswanathan — 1 partie
Gukesh D — 1 partie
Parties historiques
6…Nxb5 — 54.4% (3138 parties)
1959 — Korsakov B vs Stein, Leonid — 1/2-1/2 — Kiev UKR
1960 — Plater, Kazimierz vs Schmidt, Waldemar — 0-1 — Wroclaw Tch-POL
1965 — Jimeno, Angel vs Saenz Lopez, Jose Maria — 1-0 — Castilla
1966 — Piscitelli, Antoine vs Kavalek, Lubomir — 0-1 — Havana CUB
1966 — Acevedo Carmona, Juan Diego vs Panno, Oscar — 1-0 — Rio Hondo zt
6…a6 — 32.3% (1862 parties)
1964 — Rautenstrauch, Hans Hubert vs Adamski, Jan — 1/2-1/2 — Krakow POL
1966 — Goncharoff, Nik vs Martinowsky, Dr Eugene — 1/2-1/2 — ?
1968 — Zinn, Lothar vs Estrin, Yakov — 1/2-1/2 — cr
1972 — Zinn, Lothar vs Izvozchikov, Vadim — 0-1 — Tbilisi GEO
1979 — Sulman, Robert vs Rind, Bruce — 1/2-1/2 — New York, NY USA
6…e6 — 11.3% (654 parties)
1965 — Zinn, Lothar vs Ghitescu, Theodor — 1/2-1/2 — Zinnowitz GER
1980 — Bisguier, Arthur B vs Benko, Pal — 1/2-1/2 — Greenville ch-USA
1980 — Bisguier, Arthur B vs Benko, Francisco — 1-0 — USA
1984 — Short, Nigel D vs Giorgadze, Tamaz — 1/2-1/2 — Lvov UKR
1985 — Pavlovic, Milos vs Karolyi, Tibor — 0-1 — Kopenhagen open
6…Nh6 — 1.5% (84 parties)
1964 — Zinn, Lothar vs Pelts, Roman — 1-0 — Krakow POL
1965 — Malich, Burkhard, Dr. vs Pietzsch, Wolfgang — 0-1 — Leipzig GER
1993 — De Anna, Marcos vs Poch, Cesar G. — 0-1 — Vicente Lopez
1995 — Maier, Alexander vs Richter, Michael — 0-1 — Budapest HUN
2000 — Charlton, Glenn vs Zybura, Andre — 1-0 — Toronto CAN