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A07n — Keres Variation (1961)
1.Nf3 d5 2.g3 Bg4 3.Bg2 Nd7
Les coups candidats
4.c4 — 35.8% (1455 parties)
Ambassadeurs : Campora, Daniel H. (18x), Pavasovic, Dusko (14x), Loginov, Valery A (14x), Dobosz, Henryk (12x), Bagirov, Vladimir (10x), Lopushnoy, Denis (9x), Markowski, Tomasz (9x), Bezgodova, Svetlana (9x)
4.O-O — 26.2% (1065 parties)
Ambassadeurs : Pavasovic, Dusko (13x), Speelman, Jon S (13x), Rublevsky, Sergei (11x), Vaganian, Rafael A (8x), Damljanovic, Branko (7x), Andrason, Karl Oddur (6x), Cvitan, Ognjen (6x), Kramnik, Vladimir (6x)
4.d4 — 17.1% (694 parties)
Ambassadeurs : Pavasovic, Dusko (7x), Hector, Jonny (6x), Kunin, Vitaly (5x), Yandemirov, Valeri (4x), Strikovic, Aleksa (4x), Shabalov, Alexander (4x), Mochalin, Faddey (4x), Bagirov, Vladimir (3x)
4.d3 — 11.3% (459 parties)
Ambassadeurs : Foisor, Cristina-Adela (9x), Campora, Daniel H. (7x), Charochkina, Daria (5x), Geveke, Michael (4x), Trabert, Bettina (4x), Malakhatko, Vadim (4x), Bivol, Alina (4x), Moingt, Jean-Claude (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.c4 4.O-O 4.d4 4.d3
<1800 93 30% 29% 24% 9%
1800-2200 869 29% 25% 22% 15%
2200-2600 2785 38% 25% 16% 11%
2600+ 166 42% 39% 5% 4%
Évolution par décennie (% des parties)
Décennie N parties 4.c4 4.O-O 4.d4 4.d3
1950s 2 50%
1960s 29 52% 34% 10%
1970s 51 45% 33% 4% 12%
1980s 66 56% 18% 14% 11%
1990s 627 39% 30% 15% 13%
2000s 1091 36% 28% 16% 16%
2010s 1555 37% 27% 18% 10%
2020s 641 27% 18% 21% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.c4 37% 27% ▼ -9.9%
4.O-O 27% 18% ▼ -8.6%
4.d4 18% 21% ▲ +3.2%
4.d3 10% 4% ▼ -6.4%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties
Gukesh D — 6 parties
Ju, Wenjun — 5 parties
Kasparov, Garry — 2 parties
Tal, Mikhail — 1 partie
Ding, Liren — 1 partie
Parties historiques
4.c4 — 35.8% (1455 parties)
1954 — Vatnikov, Josif E vs Chistiakov, Alexander — 1-0 — Moscow RUS
1962 — Benko, Pal vs Bisguier, Arthur B — 1/2-1/2 — New York ch-USA
1962 — Bouwmeester, Hans vs Keres, Paul Petrovich — 1/2-1/2 — ?
1963 — Olafsson, Fridrik vs Keres, Paul Petrovich — 0-1 — Los Angeles, CA USA
1963 — Olafsson, Fridrik vs Keres, Paul — 0-1 — Los Angeles, CA USA
4.O-O — 26.2% (1065 parties)
1962 — Bouwmeester, Hans vs Keres, Paul Petrovich — 0-1 — Varna BUL
1962 — Bouwmeester, Andre vs Keres, Paul Petrovich — 0-1 — Varna BUL
1962 — Bouwmeester, Hans vs Keres, Paul — 0-1 — Varna BUL
1962 — Lengyel, Levente vs Portisch, Lajos — 1/2-1/2 — Budapest HUN
1962 — Benko, Pal vs Keres, Paul — 1-0 — Willemstad CUW
4.d4 — 17.1% (694 parties)
1964 — Stefanov, Josif vs Rautenstrauch, Hans Hubert — 1-0 — Krakow POL
1967 — Garcia Orus, Francisco vs Merino Mejuto, Domingo — 1-0 — Palma de Majorca ESP
1969 — Andersson, Ulf vs Ligterink, Gert — 1/2-1/2 — Groningen ch EU jr p
1975 — Prcic, Mike vs Reppert, Victor — 1-0 — Arizona
1978 — Weiss, Augustin vs Tichy, Vladimir — 0-1 — Marianske Lazne
4.d3 — 11.3% (459 parties)
1970 — Schumacher, Helmut vs Magnusson, Olafur — 0-1 — Siegen olm Siegen GER
1971 — Quinteros, Miguel A. vs Schweber, Samuel — 1-0 — Mar del Plata ARG
1972 — Vadasz, Laszlo vs Tompa, Janos — 0-1 — HUN
1974 — Palatnik, Semon vs Sokolov, Sergey M. — 0-1 — Daugavpils LAT
1975 — Hicks, Edwin Agnew vs Gross, Ronald Joseph — 0-1 — Las Vegas, NV USA