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A07m — KIA
1.Nf3 d5 2.g3 Nf6 3.Bg2 c6
Eval: [+0.20]
Les coups candidats
4.O-O — 70.1% (19269 parties)
Ambassadeurs : Koehler, Josef (76x), Drasko, Milan (61x), Gutman, Lev (60x), Loginov, Valery A (57x), Romanishin, Oleg M (57x), Vaganian, Rafael A (53x), Dizdar, Goran (47x), Dizdarevic, Emir (44x)
4.d3 — 11.0% (3020 parties)
Ambassadeurs : Petran, Peter (35x), Foisor, Cristina-Adela (22x), Zimmermann, Matthias (19x), D'Amore, Carlo (17x), Quinteros, Miguel A. (15x), Lohmann, Heinrich (14x), Pape, Manfred (14x), McNab, Colin A (13x)
Ambassadeurs : Hausrath, Daniel (50x), Pantsulaia, Levan (29x), Petrosian, Tigran L. (26x), Kirov, Nino (25x), Czebe, Attila (20x), Schebler, Gerhard (18x), Rozum, Ivan (14x), Koehler, Josef (13x)
4.b3 — 7.1% (1943 parties)
Ambassadeurs : Hickl, Joerg (29x), Vukic, Milan (21x), Thiede, Lars (14x), Reschke, Stefan (13x), Martinovic, Slobodan (12x), Vogel, Jaap (12x), Espig, Lutz (11x), Clemens, Christian, Dr. (11x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.O-O 4.d3 4.c4 4.b3
<1800 534 63% 17% 6% 4%
1800-2200 7831 69% 13% 8% 6%
2200-2600 15267 71% 9% 10% 8%
2600+ 565 73% 8% 16% 2%
Évolution par décennie (% des parties)
Décennie N parties 4.O-O 4.d3 4.c4 4.b3
1920s 3 67% 33%
1930s 8 62% 12% 12% 12%
1940s 29 52% 17% 17%
1950s 91 60% 7% 21% 11%
1960s 306 72% 13% 2% 11%
1970s 535 61% 16% 4% 19%
1980s 1346 65% 14% 8% 11%
1990s 4143 69% 13% 5% 11%
2000s 7136 69% 14% 6% 8%
2010s 11157 71% 9% 12% 5%
2020s 2749 76% 5% 13% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.O-O 71% 76% ▲ +5.3%
4.d3 9% 5% ▼ -4.2%
4.c4 12% 13% ▲ +1.5%
4.b3 5% 3% ▼ -1.8%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Ju, Wenjun — 10 parties
Kramnik, Vladimir — 10 parties
Smyslov, Vladimir — 9 parties
Karpov, Aleksandr — 7 parties
Carlsen, Magnus — 7 parties
Gukesh D — 6 parties
Ding, Liren — 2 parties
Euwe, Max — 1 partie
Botvinnik, Mikhail — 1 partie
Hou, Yifan — 1 partie
Parties historiques
4.O-O — 70.1% (19269 parties)
1925 — Grigoriev, Nikolai vs Sergeev, Alexander — 0-1 — Moscow RUS
1928 — Euwe, Max vs Bogoljubow, Efim — 1-0 — The Netherlands
1931 — Koltanowski, George vs Gussin — 1/2-1/2 — Antwerp BEL
1937 — Pelikán, Jiří vs Polzer, Hans — 1/2-1/2 — Bad Elster
1938 — Kasparian, Genrikh vs Rabinovich, Ilya Mar — 1/2-1/2 — Leningrad RUS
4.d3 — 11.0% (3020 parties)
1939 — O'Sullivan, Batholomew vs O'Hanlon, John — 0-1 — Dublin IRL
1952 — Lange, Werner vs Byrne, Ray — 0-1 — Helsinki FIN
1953 — Laszlo, Csaba vs Gereben, Erno — 0-1 — HUN-ch Budapest HUN
1954 — Zita, Frantisek vs Pogats, Jozsef Jr. — 1/2-1/2 — Budapest tt Budapest HUN
1955 — Marini, Luis vs Alcaraz Suarez, Juan Camilo — 1/2-1/2 — Buenos Aires ARG
4.c4 — 9.0% (2476 parties)
1923 — Gruber, Theo vs Takacs, Sandor — 0-1 — Vienna AUT
1936 — Konstantinopolsky, Alexander vs Shiumilin — 1-0 — Ukraine
1945 — Gereben, Erno vs Szigeti, Mihaly — 0-1 — Budapest HUN
1947 — Dunkelblum, Arthur vs Soultanbeieff, Victor — 1/2-1/2 — Brussels BEL
1947 — Barcza, Gedeon vs Tsvetkov, Alexandar K — 1-0 — Sofia Balkaniade
4.b3 — 7.1% (1943 parties)
1932 — Reshevsky, Samuel vs Jensen, Bjarne — 0-1 — Roosevelt CC, Chicago, IL USA
1942 — Barcza, Gedeon vs Fuster, Geza — 1-0 — Budapest HUN
1946 — Barcza, Gedeon vs Toth, Jozsef — 1-0 — Gyor
1946 — Barcza, Gedeon vs Ruffne Toth, Andrea — 1-0 — Gyor
1946 — Benko, Pal vs Füster, Géza — 1-0 — Budapest HUN