A85h — Dutch (1934)
1.d4 f5 2.c4 Nf6 3.Nc3 e6 4.Qc2
Les coups candidats
4…Bb4 — 39.9% (251 parties)
Ambassadeurs : Shumiakina, Tatiana (7x), Zaitseva, Ludmila G. (5x), Gleizerov, Evgeny (3x), Groves, Carey (3x), Simantsev, Mikhail (3x), Slipak, Sergio (3x), Charochkina, Daria (3x), Doroshkievich, Vladimir K (2x)
4…d5 — 22.6% (142 parties)
Ambassadeurs : Ryskin, Alexander (2x), Dluski, Emil (2x), Pres, Grigorij (2x), Sirotkina, Nina (2x), Zaitseva, Ludmila G. (2x), Sargissian, Gabriel (2x), Kazhgaleyev, Murtas (2x), Novozhilov, Semen (2x)
4…b6 — 17.8% (112 parties)
Ambassadeurs : Ulybin, Mikhail (8x), Gleizerov, Evgeny (6x), Sorokin, Maxim (2x), Ledger, Dave J (2x), Krasenkow, Michal (2x), Balcerowski, Witold (1x), Filipowicz, Andrzej (1x), Polugaevsky, Lev (1x)
4…Be7 — 11.6% (73 parties)
Ambassadeurs : Pachman, Ludek (2x), Corbu, George-Alexandru (2x), Gamble, Raymond J (1x), Kendall, Paul S N (1x), Leighton, G. (1x), Luprecht, M. (1x), Antos, Adam (1x), Blatny, Frantisek (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Bb4 4…d5 4…b6 4…Be7
<1800 36 42% 28% 3% 8%
1800-2200 203 34% 28% 14% 14%
2200-2600 312 46% 17% 24% 9%
2600+ 10 60% 10% 10% 20%
Évolution par décennie (% des parties)
Décennie N parties 4…Bb4 4…d5 4…b6 4…Be7
1950s 7 57% 14% 14%
1960s 11 45% 9% 45%
1970s 9 44% 11% 33%
1980s 16 25% 38% 6% 12%
1990s 86 37% 33% 10% 10%
2000s 141 38% 23% 17% 13%
2010s 284 42% 20% 22% 9%
2020s 75 45% 17% 19% 13%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Bb4 42% 45% ▲ +3.4%
4…d5 20% 17% ▼ -2.7%
4…b6 22% 19% ▼ -3.2%
4…Be7 9% 13% ▲ +4.5%
Parties historiques
4…Bb4 — 39.9% (251 parties)
1952 — Makarczyk, Kazimierz vs Gawlikowski, Stanislaw — 0-1 — Miedzyzdroje
1954 — Polugaevsky, Lev vs Abanin, Vladimir — 1/2-1/2 — Leningrad RUS
1956 — Lax, Hendrich vs Hofmann, Vilem — 1-0 — Bratislava SVK
1958 — Vladimirov, Boris T vs Katalymov, Boris — 1-0 — Tashkent UZB
1973 — Bakhita Linda vs Cederlind, Sixten — 1-0 — SVE-ch33 corr
4…d5 — 22.6% (142 parties)
1960 — Mendivil Salinas, Ismael vs Franck, Alfons — 1/2-1/2 — Leipzig GER
1961 — Polugaevsky, Lev vs Estrada, Walter — 1/2-1/2 — Rostov RUS
1963 — Uitto, Matti vs Aaltio, Erkki — 1-0 — Finland ch corr
1965 — Beliman, Oliver vs Bakheet Farag — 1/2-1/2 — Wch U20 f-A Barcelona ESP
1966 — Filip, Miroslav vs McAlpine, Kenneth B — 1-0 — Havana CUB
4…b6 — 17.8% (112 parties)
1958 — Polugaevsky, Lev vs Abanin, Vladimir — 1/2-1/2 — Baku AZE
1964 — Balcerowski, Witold vs Filipowicz, Andrzej — 1/2-1/2 — ?
1988 — Ljamin, Vladimir vs Rajkov, Nikolay — 1-0 — ?
1990 — Doroshkievich, Vladimir K vs Sorokin, Maxim — 0-1 — Kuibishev
1991 — Tanner, Pedro vs Langier, Daniel — 1/2-1/2 — Buenos Aires ARG
4…Be7 — 11.6% (73 parties)
1950 — Antos, Adam vs Blatny, Frantisek — 1-0 — Chocen
1964 — Makarczyk, Kazimierz vs Tarnowski, Alfred — 1-0 — Chelm Lubelski
1965 — Pachman, Ludek vs Smederevac, Petar — 1/2-1/2 — Beverwijk NED
1966 — Gamble, Raymond J vs Kendall, Paul S N — 1-0 — Sunderland
1966 — Pachman, Ludek vs Larsen, Bent Ravn — 0-1 — Havana olm