A68a - 8.Nf3 - 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

Partie
1959 Alekhine Memorial – Round 2 – Portisch, Lajos – 1-0 – Lutikov, Anatoly S – G8
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Bd3 O-O 10. Nf3 Nf6
1964 Budapest ch-HUN – Round 1 – Gasztonyi, Endre – 1-0 – Kluger, Gyula – G41
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Bd3 O-O 10. Nf3 Nf6
1971 Hoogovens – Round 1 – Witkowski, Stanislaw – 0-1 – ? – G94
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 O-O 7. Nf3 e6 8. Be2 exd5 9. cxd5 Bg4 10. e5 dxe5
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
8…O-O — 96.2% (1815 parties)
Ambassadeurs : Hage, Henk H (19x), Kahn, Evarth Dr. (19x), De Smet, Karl (18x), Devocelle, Luc (17x), Almer, Guenter (16x), Hajenius, Willem (16x), De Lagontrie, Jean (15x), Ziegert, Andreas (13x)
8…Bg4 — 2.8% (52 parties)
Ambassadeurs : Palao, Maricela (2x), Camacho Carmen (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 Lee, Aizyleen (1x), Verber Lugo, Ricardo (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), Bonte, Holger (1x), Westerweele, Henrik (1x), Van Buskirk, Charles (1x), Clawitter, Craig (1x), Maupin, Valerie (1x), Cochet, Caroline (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 48 92% 6% — 2%
1800-2200 813 95% 4% 1% 0%
2200-2600 533 99% 1% 0% —
2600+ 6 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8…O-O 8…Bg4 8…a6 8…Nbd7
1930s 1 100% — — —
1950s 9 100% — — —
1960s 37 95% 3% 3% —
1970s 66 100% — — —
1980s 138 98% 1% — 1%
1990s 495 97% 2% 0% —
2000s 641 96% 3% 0% 1%
2010s 450 94% 4% 1% —
2020s 50 96% 2% — 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…O-O 94% 96% ▲ +1.6%
8…Bg4 4% 2% ▼ -2.2%
8…a6 1% 0% ▼ -0.9%
8…Nbd7 0% 2% ▲ +2.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Parties historiques
8…O-O — 96.2% (1815 parties)
1930 — Gauffin, Thorsten vs Landau, Salo — 0-1 — Hamburg GER
1952 — Moiseev, Oleg vs Tolush, Alexander V — 0-1 — Moscow RUS
1955 — Portisch, Lajos vs Dely, Peter — 1-0 — Budapest HUN
1956 — Horseman, D. vs Larsen, Benjamin Holsko — 0-1 — Hastings ENG
1957 — Knothe, Karl vs Mannsfeld, Peter — 0-1 — Soemmerda
8…Bg4 — 2.8% (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 — Avshalumov, Alex vs Lorenz Beatrix — 1-0 — Strasbourg FRA
1991 — Needleman, Alejandro vs Rebonato Scott, Sebastiano — 0-1 — E Lansing ch-MI op
8…a6 — 0.4% (8 parties)
1963 — Mack Lee, Aizyleen vs Verber Lugo, Ricardo — 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