E16f - 6…a5 - Yates Variation (1968)

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E16f — Capablanca, Yates Variation (1968)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ 6.Bd2 a5
Les coups candidats
7.O-O — 93.5% (1958 parties)
Ambassadeurs : Fedorchuk, Sergey A. (33x), Korchnoi, Viktor (31x), Kholmov, Ratmir D (12x), Polak, Tomas (12x), Borwell, Alan P (11x), Lajthajm, Borko (11x), Short, Nigel D (10x), Timman, Jan H (10x)
7.Nc3 — 3.8% (79 parties)
Ambassadeurs : Richter, Goetz (2x), Hulak, Krunoslav (1x), Cladouras, Panagiotis (1x), Christensen, Bent (1x), Olesen, Niels Erik Skov (1x), Silman, Jeremy (1x), Rupel, David (1x), Solmundarson, Magnus (1x)
7.a3 — 2.4% (50 parties)
Ambassadeurs : Mikavica, Mirko (1x), Trifunovic, Miroljub (1x), Kukovec, Borut (1x), Fercec, Nenad (1x), Schaffer, Hendrik (1x), Richter, Goetz (1x), Wood, Norman W (1x), Avila, Bobby (1x)
7.Bxb4 — 0.2% (5 parties)
Ambassadeurs : Smyth, Peter (1x), Knudsen, Niels (1x), Brito, Adailton Pereira (1x), Urday, Henry (1x), Featherstone, Paul G (1x), Pattrick, Graham (1x), Villaescusa Perez, Alvaro (1x), Del Val Moreno, Jose A (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.O-O 7.Nc3 7.a3 7.Bxb4
<1800 53 89% 6% 4% 2%
1800-2200 569 89% 6% 5% —
2200-2600 1278 95% 3% 1% 0%
2600+ 108 98% 1% 1% —
Évolution par décennie (% des parties)
Décennie N parties 7.O-O 7.Nc3 7.a3 7.Bxb4
1960s 10 100% — — —
1970s 13 77% 23% — —
1980s 176 97% 2% 1% —
1990s 222 91% 4% 4% 1%
2000s 376 91% 5% 3% 0%
2010s 865 94% 4% 2% 0%
2020s 432 94% 3% 3% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.O-O 94% 94% -0.5%
7.Nc3 4% 3% ▼ -0.6%
7.a3 2% 3% ▲ +0.9%
7.Bxb4 0% 0% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 7 parties
Karpov, Anatoly — 6 parties
Kasparov, Garry — 1 partie
Smyslov, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Ding, Liren — 1 partie
Parties historiques
7.O-O — 93.5% (1958 parties)
1965 — Osnos, Viatcheslav vs Kuzmin, Gennadi — 1-0 — Tallinn ch-URS
1967 — Nei, Iivo vs Sakharov, Yuri N — 0-1 — Kharkov ch-URS
1968 — Visier Segovia, Fernando vs Matanovic, Aleksandar — 1/2-1/2 — Palma de Majorca ESP
1968 — Peev, Peicho vs Sakharov, Yuri N — 1-0 — Varna BUL
1968 — Kokkoris, Hristos vs Parma, Bruno — 0-1 — Athens GRE
7.Nc3 — 3.8% (79 parties)
1971 — Solmundarson, Magnus vs Gunnarsson, Gunnar K — 1-0 — Ch Iceland Reykjavik ISL
1977 — Buchanan, Richard W vs Benjamin, Joel — 1/2-1/2 — US Open
1978 — Nistorescu, Adrian vs Kertesz, Alfred — 1-0 — Braila
1981 — Sigurjonsson, Gudmundur vs Tisdall, Jonathan D — 1-0 — Brighton ENG
1984 — Hulak, Krunoslav vs Cladouras, Panagiotis — 1-0 — Berlin GER
7.a3 — 2.4% (50 parties)
1988 — Mikavica, Mirko vs Trifunovic, Miroljub — 0-1 — Pula CRO
1991 — Inumerable, Florentino vs Colias, Billy — 1/2-1/2 — Illinois
1993 — Brito Garcia, Alfredo vs Urday, Henry — 1/2-1/2 — Las Palmas ESP
1994 — Trifunovic, Aleksandar vs Pritchett, Craig W — 1/2-1/2 — Londen open
1995 — Wood, Norman W vs Avila, Bobby — 0-1 — Concord
7.Bxb4 — 0.2% (5 parties)
1992 — Brito, Adailton Pereira vs Urday, Henry — 0-1 — Mesa open
1999 — Smyth, Peter vs Knudsen, Niels — 1/2-1/2 — L3.1999.0.00001
2006 — Featherstone, Paul G vs Pattrick, Graham — 0-1 — ICCF
2014 — Villaescusa Perez, Alvaro vs Del Val Moreno, Jose A — 0-1 — ?
2022 — Bazilius, Augustinas vs Haydon, David L — 1/2-1/2 — Katowice POL