A65g - 7…Bg7 8.Nge2 - Benoni (1969)

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A65g — Benoni (1969)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Bd3 Bg7 8.Nge2
Les coups candidats
Ambassadeurs : Knaak, Rainer (24x), Ghitescu, Theodor (11x), Miles, Anthony J (8x), Kovacevic, Slobodan (8x), Zsinka, Laszlo (8x), Zubac, Marius (8x), Basagic, Zlatko (7x), Nunn, John D M (6x)
8…a6 — 4.9% (100 parties)
Ambassadeurs : Gavrikov, Viktor (2x), Benno, Pal (2x), Honsch, Pal (2x), Tonoli, Jose (1x), Lemaire, Robert (1x), Panno, Oscar (1x), Reinhardt, Enrique (1x), Jahn, Karel (1x)
8…Na6 — 0.6% (13 parties)
Ambassadeurs : Pomar Salamanca, Arturo (1x), Lengyel, Laszlo (1x), Szymczak, Zbigniew (1x), Sikora-Lerch, Jan (1x), David, Giampiero (1x), Cimmino, Pietro (1x), Ilandzis, Spyridon (1x), Kondou, Eva (1x)
8…Nbd7 — 0.2% (5 parties)
Ambassadeurs : Tschendel, Roland (1x), Pahne, Dirk (1x), Dignam, Matthew (1x), Bebiak, Jozef (1x), Kane, Paul (1x), Trevis, Robert (1x), Labadie, Jean-Jacques (1x), Meunier, Clement (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…O-O 8…a6 8…Na6 8…Nbd7
<1800 84 92% 7% — 1%
1800-2200 797 93% 5% 1% 0%
2200-2600 716 95% 5% 0% 0%
2600+ 3 67% 33% — —
Évolution par décennie (% des parties)
Décennie N parties 8…O-O 8…a6 8…Na6 8…Nbd7
1950s 11 82% 18% — —
1960s 103 98% 1% 1% —
1970s 138 96% 3% 1% —
1980s 315 98% 1% 1% —
1990s 436 94% 6% — 0%
2000s 606 93% 5% 1% 1%
2010s 384 92% 8% 0% —
2020s 46 85% 13% 2% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…O-O 92% 85% ▼ -6.9%
8…a6 8% 13% ▲ +5.0%
8…Na6 0% 2% ▲ +1.9%
8…Nbd7 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 4 parties
Tal, Mikhail — 2 parties
Parties historiques
8…O-O — 94.1% (1919 parties)
1953 — Novotelnov, Nikolai vs Nezhmetdinov, Rashid — 0-1 — RSFSR ch
1954 — Mileika, Janis vs Tal, Mikhail — 0-1 — Riga LAT
1955 — Ebralidze, Arkhil vs Suetin, Alexey S — 0-1 — Moskou
1956 — Rodriguez Rodriguez, Rodrigo vs Diez del Corral, Jesus — 0-1 — Barcelona ESP
1957 — Shadrin, Dmitriy vs Khodakov, Leonid — 0-1 — ?
8…a6 — 4.9% (100 parties)
1958 — Panno, Oscar vs Reinhardt, Enrique — 1/2-1/2 — Mar del Plata ARG
1959 — Tonoli, Jose vs Lemaire, Robert — 0-1 — Blankenberge
1965 — Jahn, Karel vs Votruba, Pavel — 1-0 — Vrbno pod Pradedem
1972 — Lahav, Yossi vs Granz, Manfred — 1-0 — Pula CRO
1978 — Samokhvalov, Viktor vs Konopleva, Natalia — 0-1 — Moscow RUS
8…Na6 — 0.6% (13 parties)
1969 — Pomar Salamanca, Arturo vs Lengyel, Laszlo — 0-1 — Malaga ESP
1975 — David, Giampiero vs Cimmino, Pietro — 0-1 — Turin ITA
1982 — Szymczak, Zbigniew vs Sikora-Lerch, Jan — 1/2-1/2 — Karvina
1984 — Ilandzis, Spyridon vs Kondou, Eva — 1/2-1/2 — GR-Ch (S-F) '84
2002 — Martinovic, Sasa vs Jankovic, Vladimir — 1-0 — Pula CRO
8…Nbd7 — 0.2% (5 parties)
1997 — Tschendel, Roland vs Pahne, Dirk — 1/2-1/2 — Ruhrgebiet
2002 — Kane, Paul vs Trevis, Robert — 0-1 — IECG
2003 — Dignam, Matthew vs Bebiak, Jozef — 1-0 — Rosice u Brna CZE
2007 — Jepson, Christian vs Hietanen, Pauli — 0-1 — ICCF
2009 — Labadie, Jean-Jacques vs Meunier, Clement — 1/2-1/2 — France