A08f - 3.Bg2 Nc6 4.O-O - KIA [-0.22]

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A08f — KIA
1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.O-O
Eval: [-0.22]
Les coups candidats
4…e5 — 53.6% (2052 parties)
Ambassadeurs : Assmann, Norbert (7x), Bonnerjee, Mohishunder (6x), Cochrane, John Miles (6x), Keller, Manfred (6x), Koskinen, Veikko (6x), ? (5x), Vicas, Marijus (5x), Kostouros, Alexandros (5x)
Ambassadeurs : Marjanovic, Slavoljub (9x), Weindl, Alfred (6x), Bonnerjee, Mohishunder (5x), Cochrane, John Miles (5x), Habibi, Ali (5x), Avedisian, Alexander (5x), Dzindzichashvili, Roman (4x), ? (4x)
4…e6 — 9.3% (355 parties)
Ambassadeurs : Chadwick, Charles (5x), Halkias, Stelios (4x), Sorensen, Torben (3x), Bruere, Mark F (3x), Benson, Gary S (3x), D'Amore, Carlo (3x), Titorenko, Natalia I (2x), Dedes, Nikolaos (2x)
4…g6 — 3.5% (134 parties)
Ambassadeurs : Lardot, Derik (2x), Velikov, Petar (2x), Karjakin, Sergey (2x), Matthiesen, Martin (2x), Von Seelen Svend Ove (1x), Levin Emil (1x), Sloth, Jorn (1x), Nielsen, Jorgen Lovgren (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…e5 4…Nf6 4…e6 4…g6
<1800 155 57% 30% 6% 3%
1800-2200 1436 57% 30% 6% 4%
2200-2600 1180 50% 34% 11% 4%
2600+ 29 52% 31% 3% 10%
Évolution par décennie (% des parties)
Décennie N parties 4…e5 4…Nf6 4…e6 4…g6
1850s 11 55% 45% — —
1920s 3 67% — 33% —
1930s 4 75% 25% — —
1940s 14 93% 7% — —
1950s 36 67% 28% 6% —
1960s 87 55% 32% 10% 2%
1970s 114 49% 37% 7% 4%
1980s 221 53% 28% 17% 0%
1990s 873 45% 32% 13% 5%
2000s 1119 54% 29% 10% 4%
2010s 1095 56% 32% 5% 3%
2020s 254 67% 27% 3% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…e5 56% 67% ▲ +10.2%
4…Nf6 32% 27% ▼ -4.9%
4…e6 5% 3% ▼ -2.7%
4…g6 3% 3% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 2 parties
Ding, Liren — 1 partie
Ju, Wenjun — 1 partie
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Parties historiques
4…e5 — 53.6% (2052 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 — 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
4…Nf6 — 30.4% (1165 parties)
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
1853 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 0-1 — Calcutta IND
1853 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 0-1 — Calcutta IND
4…e6 — 9.3% (355 parties)
1925 — Vainstein, SRochlinJ vs Bogoljubow, Efim — 1/2-1/2 — Leningrad RUS
1958 — Feuerstein, Arthur vs Haag, Ervin — 1/2-1/2 — Varna BUL
1959 — Blackstone, John vs Gazze, Mark — 1-0 — San Jose, CA USA
1966 — Rashkovsky, Nukhim N vs Timoscenko, Gennadij — 0-1 — Moscow RUS
1967 — Pjatakhina, Natalia vs ? — 0-1 — Moscow RUS
4…g6 — 3.5% (134 parties)
1965 — Sloth, Jorn vs Nielsen, Jorgen Lovgren — 1/2-1/2 — Copenhagen DEN
1968 — Von Seelen Svend Ove vs Levin Emil — 1-0 — ?
1974 — Jones, Iolo C vs Balinas, Rosendo C — 1/2-1/2 — Nice olm fin-A
1977 — Plachetka, Jan vs Supancic, Darko — 1-0 — Maribor
1978 — Apol, Luitjen vs Tawengi, Ahmed Ali — 1-0 — Buenos Aires ARG