A44s — Czech
1.d4 c5 2.d5 e5 3.e4 d6 4.Nc3 g6
Eval: [+1.44]
Les coups candidats
5.Nf3 — 24.0% (139 parties)
Ambassadeurs : Kosikov, Andrey (3x), Chernyshov, Konstantin (2x), Kurpnieks, Vairis (2x), Barczi, Tibor (2x), Von Scheve, Theodor (1x), Agnivesh Albin (1x), Kondratiev, Aleksandr (1x), Burehel (1x)
5.f4 — 18.8% (109 parties)
Ambassadeurs : Stahlberg, Gideon (3x), Akesson, Ralf (3x), Asilkefeli, Metin (3x), Gaprindashvili, Nona (3x), Madebrink, Lars (2x), Pavlenko, Oleg (2x), Hammar, Ulf (2x), Grinev, Valeriy (2x)
5.Bb5+ — 16.9% (98 parties)
Ambassadeurs : Gaprindashvili, Nona (3x), Qalagashvili, Pridon (3x), Wutte, Herwig (2x), Just, Gabriele, Dr. (2x), Matamoros Franco, Carlos S. (2x), Poteas, Ioannis (2x), Managadze, Nikoloz (2x), Maghalashvili, Davit (2x)
5.Be2 — 16.1% (93 parties)
Ambassadeurs : ? (2x), Nagy, Attila (2x), Palacz, Krzysztof (2x), Soultatis, Kostas (2x), Tin, Jingyao (2x), Arnold, Dietmar (1x), Eising, Johannes (1x), Golz, Werner (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Nf3 5.f4 5.Bb5+ 5.Be2
<1800 7 43% 43% 14%
1800-2200 192 27% 17% 14% 15%
2200-2600 260 19% 18% 23% 18%
Évolution par décennie (% des parties)
Décennie N parties 5.Nf3 5.f4 5.Bb5+ 5.Be2
1900s 1 100%
1930s 10 40%
1950s 7 14% 14%
1960s 26 31% 19% 4% 27%
1970s 14 29% 14% 21% 14%
1980s 32 12% 31% 25% 22%
1990s 121 26% 20% 13% 21%
2000s 197 26% 17% 20% 13%
2010s 152 22% 18% 18% 15%
2020s 19 21% 11% 16% 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Nf3 22% 21% ▼ -0.7%
5.f4 18% 11% ▼ -7.9%
5.Bb5+ 18% 16% ▼ -2.0%
5.Be2 15% 11% ▼ -4.6%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
5.Nf3 — 24.0% (139 parties)
1902 — Von Scheve, Theodor vs Agnivesh Albin — 0-1 — Monte Carlo MNC
1955 — Richter Becerra, Hans vs Thal, Olaf — 1-0 — Zittau
1960 — Kondratiev, Aleksandr vs Burehel — 1/2-1/2 — ?
1960 — Kondratiev, Pavel E vs Burehall, Arne — 1/2-1/2 — Leningrad RUS
1960 — Baturinsky, Victor vs Szekely, Stefan — 1-0 — corr EU/M
5.f4 — 18.8% (109 parties)
1933 — Ahues, Carl vs Elstner, Rudolf — 1-0 — Berlin GER
1936 — Stahlberg, Gideon vs Rellstab, Ludwig — 1/2-1/2 — Bad Nauheim
1938 — Stahlberg, Gideon vs Seitz, Jakob Adolf — 1-0 — Lodz POL
1939 — Stahlberg, Gideon vs Hasenfuss, Wolfgang — 1-0 — Kemeri / Riga
1963 — Oestreich, Reinhard vs Friedrich Hermann — 0-1 — Buende
5.Bb5+ — 16.9% (98 parties)
1966 — Gulko, Boris vs Aijala, Jouko — 1-0 — WchTJ U26 fin-A
1970 — Just, Gabriele, Dr. vs Lehmann, Christina — 0-1 — Freiberg
1971 — Just, Gabriele, Dr. vs Scholz, Jakob — 1-0 — Strasbourg ch20-DDR
1973 — Gruenberg, Hans-Ulrich vs Zinn, Lothar — 1/2-1/2 — DDR-ch 22th Erfurt GER
1981 — Ranniku, Maaja vs Kozlovskaya, Valentina — 0-1 — Leningrad RUS
5.Be2 — 16.1% (93 parties)
1954 — Arnold, Dietmar vs Eising, Johannes — 0-1 — Schkopau
1961 — Weise, Dieter vs Pfleger, Helmut, Dr. — 1-0 — FRG-ch Bad Prymont
1965 — Golz, Werner vs Zinn, Lothar — 1/2-1/2 — Leipzig Inter-1
1967 — Kristinsson, Jon vs ? — 1-0 — Halle GER
1968 — Kuzmin Egor vs Albano Gamarra, Joan Enric — 1-0 — Italy