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A31m — Symmetrical Two Knights
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3
Eval: [+0.34]
Les coups candidats
Ambassadeurs : Korchnoi, Viktor (44x), De Firmian, Nick (29x), Krasenkow, Michal (25x), Hulak, Krunoslav (24x), Timman, Jan H (24x), Rogulj, Branko (24x), Vachier-Lagrave, Maxime (24x), Portisch, Lajos (20x)
Ambassadeurs : Pogorelov, Ruslan (15x), Cvetkovic, Srdjan (13x), Arkell, Keith C (9x), Portisch, Lajos (8x), Hocevar, Nikola (8x), Garcia, Antonio 1954 (7x), Linqvist, Grels (7x), Gheorghiu, Florin (6x)
5…d6 — 5.6% (778 parties)
Ambassadeurs : Srbis, Jurica (6x), Berke, Ana (6x), Campora, Daniel H. (4x), Mickiewicz, Piotr (4x), Pomar Salamanca, Arturo (3x), Giese, Lothar (3x), Philippe, Georges (2x), Van Scheltinga, Theo (2x)
5…Qb6 — 3.9% (549 parties)
Ambassadeurs : Sax, Gyula (7x), Kosic, Dragan (6x), Horvath, Jozsef (5x), Tolnai, Tibor (5x), Panno, Oscar (3x), Adorjan, Andras (3x), Lazarev, Vladimir (3x), Robatsch, Karl (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…e6 5…g6 5…d6 5…Qb6
<1800 325 32% 38% 7% 3%
1800-2200 4279 30% 46% 8% 3%
2200-2600 6653 58% 29% 4% 5%
2600+ 599 89% 7% 1% 4%
Évolution par décennie (% des parties)
Décennie N parties 5…e6 5…g6 5…d6 5…Qb6
1900s 1 100%
1910s 1
1920s 20 30% 60%
1930s 46 7% 70% 7% 4%
1940s 31 48% 35% 6%
1950s 92 49% 25% 7% 1%
1960s 178 39% 40% 7% 4%
1970s 456 50% 39% 4% 1%
1980s 759 57% 26% 4% 6%
1990s 2172 42% 38% 5% 6%
2000s 3664 41% 38% 6% 3%
2010s 5195 49% 34% 6% 4%
2020s 1403 61% 22% 5% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…e6 49% 61% ▲ +12.0%
5…g6 34% 22% ▼ -11.8%
5…d6 6% 5% -0.4%
5…Qb6 4% 4% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 9 parties
Tal, Mikhail — 8 parties
Kasparov, Garry — 8 parties
Karpov, Aleksandr — 8 parties
Smyslov, Vladimir — 7 parties
Botvinnik, Mikhail — 3 parties
Alekhine, Alexander — 3 parties
Ding, Liren — 3 parties
Gukesh D — 2 parties
Euwe, Max — 1 partie
Parties historiques
5…e6 — 47.1% (6600 parties)
1922 — Alekhine, Alexander vs Deutsch Edelheim Schroeder — 1-0 — Berlin GER
1923 — Nimzowitsch, Aron vs Tarrasch, Siegbert — 1-0 — Carlsbad CZE
1924 — Michell, Reginald vs Blake, Joseph — 1/2-1/2 — Southport ENG
1925 — Kupchik, Abraham vs Palmer, Marvin — 0-1 — Cedar Point
1926 — Grigoriev, Nikolai vs Rokhlin, Yakov G — 1-0 — Moscow RUS
5…g6 — 34.5% (4840 parties)
1907 — Perlis, Julius vs Metger, Johannes — 1-0 — Ostende II
1923 — Tarrasch, Siegbert vs Rosselli del Turco, Stefano — 0-1 — Trieste
1924 — Sterk, Karoly vs Jonet, F. — 1-0 — Paris FRA
1925 — Reti, Richard vs Walter Ilatoma, Jonatan Israel David — 1-0 — Bratislava SVK
1925 — Rubinstein, Akiba vs Te Kolste, Jan Willem — 1-0 — Baden-Baden GER
5…d6 — 5.6% (778 parties)
1931 — Gruber, Sandor vs Lovas, Gyula — 0-1 — Budapest HUN
1931 — Nogues Acuna, A. vs Castillo Lynch, Jacob Tyler — 1-0 — Buenos Aires ARG
1934 — Romanovsky, Pjotr vs Kan, Ilya A — 1/2-1/2 — Leningrad RUS
1951 — Nuesken Fritz vs Ruppe, Otto — 1-0 — Schwerin GER
1953 — Larsen, Benjamin Holsko vs Nielsen, Axel — 1-0 — Nordic ch Esbjerg
5…Qb6 — 3.9% (549 parties)
1935 — Koshnitsky, Gregory vs Green Martin — 1-0 — Melbourne AUS
1936 — Blum, Martin vs Lindner Lages, Jorge — 1-0 — Budapest HUN
1947 — Trifunovic, Petar vs Doerner, Charles — 1-0 — Hilversum zt
1947 — Elsas, Hansgeorg vs Malitzki — 0-1 — Essen GER
1955 — Szabo, Ladislav vs Ilivitsky, Georgy A — 1/2-1/2 — Budapest HUN