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A07a — KIA
1.Nf3 d5 2.g3
Eval: [+0.12]
Les coups candidats
Ambassadeurs : Koehler, Josef (77x), Misericordia, Antonio (63x), Gutman, Lev (62x), Hausrath, Daniel (55x), Pantsulaia, Levan (55x), Drasko, Milan (54x), Klovans, Janis (50x), Espig, Lutz (44x)
Ambassadeurs : Drasko, Milan (83x), Loginov, Valery A (60x), Pigusov, Evgeny (52x), Badea, Bela (45x), Vaganian, Rafael A (41x), Gutman, Lev (39x), Foisor, Cristina-Adela (38x), Dizdarevic, Emir (35x)
Ambassadeurs : Vukic, Milan (16x), Loginov, Valery A (15x), Bonnerjee, Mohishunder (14x), Cochrane, John Miles (14x), Kirov, Nino (14x), Radulov, Ivan (14x), Iliesco, Juan (13x), Bilek, Istvan (13x)
Ambassadeurs : Artemiev, Vladislav (46x), Markowski, Tadeusz (34x), Pantsulaia, Levan (32x), Kramnik, Vladimir (30x), Ozen, Bahadir (30x), Amin Barzegar, Babak (25x), Fressinet, Laurent (24x), Ding, Liren (23x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2…Nf6 2…c6 2…c5 2…g6
<1800 2201 48% 8% 17% 5%
1800-2200 25520 50% 13% 14% 6%
2200-2600 44213 39% 21% 8% 11%
2600+ 3223 25% 19% 7% 27%
Évolution par décennie (% des parties)
Décennie N parties 2…Nf6 2…c6 2…c5 2…g6
1850s 15 93%
1910s 2 50%
1920s 24 33% 8% 25%
1930s 59 37% 10% 29% 8%
1940s 245 41% 8% 29% 10%
1950s 545 37% 5% 18% 17%
1960s 919 37% 15% 16% 15%
1970s 1413 39% 15% 17% 13%
1980s 2959 44% 19% 15% 8%
1990s 12677 37% 24% 13% 7%
2000s 19731 44% 18% 12% 6%
2010s 32762 45% 17% 10% 9%
2020s 16320 41% 10% 9% 15%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2…Nf6 45% 41% ▼ -4.5%
2…c6 17% 10% ▼ -7.1%
2…c5 10% 9% -0.5%
2…g6 9% 15% ▲ +5.6%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Carlsen, Magnus — 10 parties
Gukesh D — 10 parties
Botvinnik, Mikhail — 9 parties
Kasparov, Garry — 9 parties
Hou, Yifan — 9 parties
Euwe, Max — 8 parties
Tal, Mikhail — 7 parties
Karpov, Anatoly — 3 parties
Karpov, Aleksandr — 2 parties
Alekhine, Alexander — 1 partie
Lasker, Emanuel — 1 partie
Smyslov, Vassily — 1 partie
Parties historiques
2…Nf6 — 42.7% (37417 parties)
1910 — Mieses, Jacques vs Teichmann, Richard — 0-1 — Berlijn m
1923 — Reti, Richard vs Straat, Evert — 1-0 — Scheveningen NED
1923 — Zimmermann, Otto vs Maier, Adrian — 1/2-1/2 — Bern SUI
1923 — Reti, Richard vs Davidson Gallego, Jorge — 1-0 — Scheveningen NED
1923 — Reti, Richard vs Rubinstein, Akiba — 1-0 — Carlsbad CZE
2…c6 — 16.8% (14761 parties)
1925 — Haida, August Konrad vs Carlos Torre Repetto — 0-1 — Marienbad CZE
1928 — Euwe, Max vs Bogoljubow, Efim — 1-0 — The Netherlands
1931 — Capablanca, Jose vs Johannes Hermanus Addicks — 1-0 — Amsterdam NED
1931 — Koltanowski, George vs Gussin — 1/2-1/2 — Antwerp BEL
1937 — Pelikán, Jiří vs Polzer, Hans — 1/2-1/2 — Bad Elster
2…c5 — 11.2% (9818 parties)
1853 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 0-1 — Calcutta IND
1853 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 1-0 — Calcutta IND
1853 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 0-1 — Calcutta IND
1853 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 0-1 — Calcutta IND
1853 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 0-1 — Calcutta IND
2…g6 — 9.4% (8279 parties)
1936 — Konstantinopolsky, Alexander vs Ragozin, Viacheslav — 1-0 — Leningrad RUS
1937 — Konig, Imre vs Trifunovic, Petar — 0-1 — Yugoslavia
1939 — Lange, Wilfried vs Stahlberg, Gideon — 1-0 — Bad Harzburg
1939 — De Vigil, MA. vs Mora, Maria Teresa — 0-1 — Buenos Aires ARG
1939 — Konstantinopolsky, Alexander vs Reshevsky, Samuel — 1-0 — Leningrad RUS