A07r - 2…c6 3.Bg2 Bg4 4.O-O Nd7 - Keres Variation (1993)

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A07r — Keres Variation (1993)
1.Nf3 d5 2.g3 c6 3.Bg2 Bg4 4.O-O Nd7
Les coups candidats
Ambassadeurs : Hartoch, Robert G (22x), Drasko, Milan (20x), Stefanova, Antoaneta (19x), Vaganian, Rafael A (18x), Weindl, Alfred (10x), Movsesian, Sergei (10x), Sepp, Olav (9x), Hector, Jonny (7x)
5.d4 — 26.6% (1084 parties)
Ambassadeurs : Speelman, Jon S (20x), Badea, Bela (13x), Drasko, Milan (12x), Bezold, Michael (10x), Pavlovic, Milos (10x), Kengis, Edvins (8x), Gutman, Lev (8x), Hug, Werner (7x)
5.h3 — 10.2% (417 parties)
Ambassadeurs : Praggnanandhaa R (6x), Moussard, Jules (5x), Ju, Wenjun (5x), Zvjaginsev, Vadim (5x), Vachier-Lagrave, Maxime (4x), Svane, Rasmus (4x), Stocko, Josip (3x), Skripchenko, Almira (3x)
5.c4 — 4.1% (166 parties)
Ambassadeurs : Li, Zunian (1x), Dolmatov, Sergey (1x), Davies, Nigel R (1x), Kharitonov, Andrei (1x), Podzielny, Karl-Heinz (1x), Roeder, Frank (1x), Karlsson, Lars 1937 (1x), Bengtsson, Bo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.d3 5.d4 5.h3 5.c4
<1800 101 56% 26% 11% 3%
1800-2200 856 58% 25% 8% 6%
2200-2600 2759 56% 28% 11% 4%
2600+ 183 50% 21% 25% 3%
Évolution par décennie (% des parties)
Décennie N parties 5.d3 5.d4 5.h3 5.c4
1960s 9 89% — — —
1970s 36 78% 14% — 3%
1980s 108 73% 16% 2% 6%
1990s 842 59% 33% 2% 2%
2000s 998 64% 27% 2% 4%
2010s 1529 57% 26% 11% 5%
2020s 550 32% 23% 40% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.d3 57% 32% ▼ -25.0%
5.d4 26% 23% ▼ -2.8%
5.h3 11% 40% ▲ +28.8%
5.c4 5% 5% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 10 parties
Gukesh D — 10 parties
Kramnik, Vladimir — 9 parties
Anand, Viswanathan — 4 parties
Kasparov, Garry — 3 parties
Ding, Liren — 3 parties
Smyslov, Vassily — 1 partie
Parties historiques
5.d3 — 56.3% (2291 parties)
1962 — Benko, Pal vs Keres, Paul — 1-0 — Willemstad CUW
1962 — Benko, Pal vs Keres, Paul Petrovich — 1-0 — Curacao AHO
1963 — Vitolinsh, Alvis vs Bojkovic, Slobodan — 1/2-1/2 — Rijeka
1964 — Wexler, Bernardo vs Witt, Leslie — 1-0 — Tel Aviv olm
1967 — Eising, Johannes vs Mohrlok, Dieter — 1/2-1/2 — Kiel GER
5.d4 — 26.6% (1084 parties)
1971 — Stull, Norbert vs Engert, Immo — 1-0 — Luxembourg
1973 — Elter, Sophia vs Mengarini, Ariel — 1/2-1/2 — Lone Pine, CA USA
1975 — Csom, Istvan vs Urzica, Aurel — 1-0 — Pula zt
1976 — Dahl, Frank vs Bakheet Farag — 0-1 — Gausdal NOR
1979 — Notaros, Krasoje vs Rukavina, Josip — 1/2-1/2 — Bjelovar
5.h3 — 10.2% (417 parties)
1986 — Sorensen, Henning B. vs Perman, Torvald — 1-0 — corr Baltic tt
1988 — Shcherbakov, Ruslan vs Komarov, Dimitri — 1/2-1/2 — Borzhomi
1991 — Mastrokoukos, George vs Nikolaidis, Konstantinos NA — 1-0 — Kavala GRE
1992 — Struchkova, Svetlana vs Schleining, Zoya — 1/2-1/2 — Alushta UKR
1993 — Braeuer, G. vs Waldmann, Gerald — 1/2-1/2 — AUT
5.c4 — 4.1% (166 parties)
1978 — Karlsson, Lars 1937 vs Bengtsson, Bo — 1/2-1/2 — Degerfors SWE
1980 — Li, Zunian vs Dolmatov, Sergey — 1/2-1/2 — Mexico City MEX
1981 — Hayward, Keith vs Timberlake, David E — 0-1 — Monadnock Marathon
1985 — Podzielny, Karl-Heinz vs Roeder, Frank — 1/2-1/2 — Bayern-ch Ansbach
1986 — Depasquale, Chris vs Ramsingh, Yogendranath — 1-0 — Dubai olm