A68a - 8…* - Four Pawns

Benoni: Four Pawns, 8.Nf3

Coups: 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3

A68a — Four Pawns
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3
Les coups candidats
Ambassadeurs : Devocelle, Luc (20x), Hage, Henk H (19x), De Smet, Karl (18x), Ziegert, Andreas (18x), Almer, Guenter (18x), Versavel, Franck (16x), De Lagontrie, Jean (15x), Murey, Jacob (11x)
8…Bg4 — 2.7% (52 parties)
Ambassadeurs : Camacho, Carmen (2x), Palao, Maricela (2x), Biriukov, Ilja (2x), Laver, Richard (1x), McCollough (1x), Nikovits, Tibor dr. (1x), Vass, Attila (1x), Bolczek, Malte (1x)
8…a6 — 0.4% (8 parties)
Ambassadeurs : Mack, Andrew L (1x), Verber, R. (1x), Palao, Maricela (1x), Hernandez Alvarez, Tania Regla (1x), Engelen, Johan (1x), Emmins, Karl (1x), Grapsa, Georgia (1x), Stiri, Alexandra (1x)
8…Nbd7 — 0.3% (6 parties)
Ambassadeurs : Fang, Joseph (1x), Tuzun, Abdurrahman (1x), Van Buskirk, Charles (1x), Clawitter, Craig (1x), Maupin, Valerie (1x), Cochet, Caroline (1x), Bonte, Holger (1x), Westerweele, Henrik (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…O-O 8…Bg4 8…a6 8…Nbd7
<1800 87 92% 6% — —
1800-2200 960 96% 3% 1% 1%
2200-2600 490 98% 1% 0% 0%
2600+ 5 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8…O-O 8…Bg4 8…a6 8…Nbd7
1950s 10 100% — — —
1960s 37 95% 3% 3% —
1970s 66 100% — — —
1980s 139 98% 1% — 1%
1990s 496 97% 2% 0% —
2000s 642 96% 3% 0% 1%
2010s 454 94% 4% 1% —
2020s 62 97% 2% — 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…O-O 94% 97% ▲ +2.3%
8…Bg4 4% 2% ▼ -2.6%
8…a6 1% 0% ▼ -0.9%
8…Nbd7 0% 2% ▲ +1.6%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Parties historiques
8…O-O — 96.2% (1834 parties)
1952 — Moiseev, Oleg vs Alexander Tadala — 0-1 — Moscow RUS
1952 — Moiseev, Oleg vs Tolush, Alexander — 0-1 — Moskou ch-URS
1955 — Portisch, Lajos vs Dely, Peter — 1-0 — Budapest HUN
1956 — Horseman, Derek G vs Larsen, Bent Ravn — 0-1 — Hastings ENG
1957 — Vasiljev, Aleksandr vs Salov, Sergej — 1-0 — ?
8…Bg4 — 2.7% (52 parties)
1967 — Laver, Richard vs McCollough — 1-0 — Berkeley
1987 — Nikovits, Tibor dr. vs Vass, Attila — 1/2-1/2 — Budapest HUN
1990 — Nielsen, Palle vs Bertelsen, Alf — 1/2-1/2 — Lyngby DEN
1991 — Needleman, Alejandro vs Scott, Stan — 0-1 — E Lansing ch-MI op
1991 — Avshalumov, Alex vs Lorenz, Beatrix — 1-0 — Strasbourg FRA
8…a6 — 0.4% (8 parties)
1963 — Mack, Andrew L vs Verber, R. — 0-1 — Michigan Open
1995 — Palao, Maricela vs Hernandez Alvarez, Tania Regla — 0-1 — Matanzas City CUB
2000 — Engelen, Johan vs Emmins, Karl — 1-0 — Leopoldsburg BEL
2002 — Grapsa, Georgia vs Stiri, Alexandra — 1-0 — Athens GRE
2012 — Raluy Lopez, Marcos vs Saad Addin Quintana, Samir N. — 0-1 — Las Palmas ESP
8…Nbd7 — 0.3% (6 parties)
1988 — Fang, Joseph vs Tuzun, Abdurrahman — 1-0 — US op Boston, MA USA
2001 — Maupin, Valerie vs Cochet, Caroline — 1-0 — Amiens
2002 — Bonte, Holger vs Westerweele, Henrik — 0-1 — ?
2004 — Van Buskirk, Charles vs Clawitter, Craig — 0-1 — Monterey Park, CA
2009 — Nicoara, Malina vs Bauer, Marie-Christine — 1-0 — Rogaska Slatina SLO
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