B20k — Snyder
1.e4 c5 2.b3 d6
Eval: [-0.27]
Les coups candidats
3.Bb2 — 87.7% (2376 parties)
Ambassadeurs : Gelashvili, Tamaz (37x), Skorna, Ullrich (37x), Paichadze, Luka (17x), Repkova, Eva (16x), Elez, Nikola (14x), Kivisto, Mikko (14x), Reprintsev, Alexander (13x), Kalivoda, Jaroslav (8x)
3.Bb5+ — 5.3% (143 parties)
Ambassadeurs : Vukovic, Zdravko (8x), Fakhiridou, Ekaterini (5x), Franzen, Jozef (3x), Khugashvili, Tamara (3x), Mestel, A Jonathan (2x), Puskas, Gergely (2x), Nikac, Predrag (2x), Brobakken, Geir (2x)
3.f4 — 3.3% (90 parties)
Ambassadeurs : Walta, Paivi (6x), Reprintsev, Alexander (3x), Popp Tony (3x), Tuominen, Tanja (2x), Arabatzi, V.. (2x), Vieten, Florian (2x), Romanov, Egor (2x), Meister, Peter (2x)
Ambassadeurs : Alen Bobby (2x), Weigand, Bernhard, Prof. Dr. (2x), Kinnmark, Ove (1x), Malmgren, Sven-Goran (1x), Haagen Hansen, Jens (1x), Zimmerman, John (1x), Reitberger, Peter, Dr. (1x), Hausmann, Marcus (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.Bb2 3.Bb5+ 3.f4 3.Nf3
<1800 93 83% 6% 3% 3%
1800-2200 1030 88% 5% 3% 1%
2200-2600 1016 90% 5% 3% 1%
2600+ 18 89% 6% 6%
Évolution par décennie (% des parties)
Décennie N parties 3.Bb2 3.Bb5+ 3.f4 3.Nf3
1940s 1
1950s 2 100%
1960s 10 80% 10% 10%
1970s 37 78% 14% 3%
1980s 174 91% 3% 3% 1%
1990s 533 87% 4% 5% 1%
2000s 903 86% 6% 3% 1%
2010s 881 89% 5% 3% 1%
2020s 169 91% 5% 1% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.Bb2 89% 91% ▲ +1.8%
3.Bb5+ 5% 5% ▼ -0.6%
3.f4 3% 1% ▼ -2.0%
3.Nf3 1% 2% ▲ +0.8%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 1 partie
Parties historiques
3.Bb2 — 87.7% (2376 parties)
1956 — Simagin, Vladimir vs Averbakh, Yuri L — 1/2-1/2 — Leningrad ch-URS
1956 — Florian, Jaromir vs Betak Miroslav — 1-0 — Podebrady CZE
1961 — Orendi, E. vs Lengyel, Laszlo — 1/2-1/2 — Budapest HUN
1964 — Czerniak, Moshe vs Friedgood, David — 1-0 — Wilderness Hotel, Wilderness
1967 — Bukhman, Eduard vs Volchok, Alexandr — 1/2-1/2 — ?
3.Bb5+ — 5.3% (143 parties)
1972 — Hemmert, Burghard vs Rorvall, Goran — 1-0 — Hallsberg SWE
1978 — Lein, Andreas vs Polugaevsky, Lev — 0-1 — Buenos Aires ARG
1979 — Franzen, Jozef vs Ftacnik, Lubomir — 0-1 — Dolny Kubin
1979 — Franzen, Jozef vs Cvetkovic, Srdjan — 1/2-1/2 — Stary Smokovec SVK
1979 — Franzen, Jozef vs Plachetka, Jan — 0-1 — Stary Smokovec SVK
3.f4 — 3.3% (90 parties)
1966 — Gaprindashvili, Nona vs Lazarevic, Aleksandar — 0-1 — Belgrade SRB
1974 — Broberg, Horst vs Heinig, Wolfram, Dr. — 1/2-1/2 — DDR-ch 23th Potsdam GER
1982 — Khugashvili, Tamara vs Jicman, Ligia-Letitia — 0-1 — Baile Herculane wom
1983 — Weidemann, Jakob vs Doncevic, Dario — 1/2-1/2 — Duitsland tt
1984 — Roloff, Henrique Couto vs Ostwald, Hans-Dieter — 1-0 — corr DDR/FS
3.Nf3 — 1.3% (35 parties)
1967 — Kinnmark, Ove vs Malmgren, Sven-Goran — 1-0 — Goteborg SWE
1982 — Haagen Hansen, Jens vs Zimmerman, John — 1-0 — Denmark
1989 — Reitberger, Peter, Dr. vs Hausmann, Marcus — 0-1 — Ingolstadt
1993 — Weigand, Bernhard, Prof. Dr. vs Ksieski, Zbigniew — 1/2-1/2 — GER
1994 — Alen Bobby vs Eiras Greif, Josefina — 1-0 — Paderborn GER