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B20p — Snyder
1.e4 c5 2.b3 Nc6
Les coups candidats
3.Bb2 — 93.8% (4965 parties)
Ambassadeurs : Skorna, Ullrich (58x), Gelashvili, Tamaz (46x), Babits, Andras (31x), Reprintsev, Alexander (30x), Repkova, Eva (25x), Vukovic, Zdravko (21x), Kristof, Peter (19x), Benedek, Zoltan (17x)
Ambassadeurs : Splíchal, Josef (5x), Gavrilakis, Nikolaos (4x), Shanel, Jaroslav (4x), Kotronias, Vasilios (3x), Turoczi, Peter (3x), Savova, Stefka (2x), CHINITO (2x), Dieckmann Rudolf (2x)
3.Bb5 — 1.0% (52 parties)
Ambassadeurs : Billing, Georg (3x), Ruiter Chelsea (3x), Johannesson, Ingvar Thor (2x), Labrador, Jhoyli (2x), Certic, Branimir (2x), Naigelblat, Maximilien (2x), Wu, Kaitao (2x), Antoszkiewicz, Gerhard (1x)
3.f4 — 0.9% (50 parties)
Ambassadeurs : Walta, Paivi (3x), Iodo, Anna (3x), Gosztola, Istvan (3x), Gluhovsky, Mark (2x), Stangeland, Maren (2x), Deus Filho, Joaquim de (2x), Kougias, Hr (1x), Kaloskambis, Mihail (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.Bb2 3.Nf3 3.Bb5 3.f4
<1800 192 88% 7% 4% 1%
1800-2200 2256 93% 3% 1% 1%
2200-2600 1811 97% 2% 1% 0%
2600+ 20 100%
Évolution par décennie (% des parties)
Décennie N parties 3.Bb2 3.Nf3 3.Bb5 3.f4
1850s 3 100%
1890s 1 100%
1900s 2 100%
1920s 3 100%
1930s 2 100%
1940s 3 100%
1950s 11 91% 9%
1960s 54 98% 2%
1970s 59 88% 8% 3%
1980s 237 94% 3% 0% 1%
1990s 939 94% 3% 1% 1%
2000s 1677 93% 3% 1% 1%
2010s 1906 94% 3% 1% 1%
2020s 396 95% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.Bb2 94% 95% ▲ +1.6%
3.Nf3 3% 3% +0.2%
3.Bb5 1% 1% -0.1%
3.f4 1% 0% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 2 parties
Kramnik, Vladimir — 2 parties
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Parties historiques
3.Bb2 — 93.8% (4965 parties)
1851 — Kieseritzky, Lionel vs Anderssen Karl E Ado — 0-1 — ?
1851 — Kieseritzky, Lionel vs Anderssen, Adolf — 0-1 — London ENG
1851 — Kieseritzky, Lionel vs Anderssen, Adolf — 0-1 — London ENG
1895 — Robinson Alfred K vs Simonson, Gustave — 1-0 — USA
1903 — Clement, CA. vs Kirkham, EB. — 1-0 — Montreal CAN
3.Nf3 — 2.9% (156 parties)
1955 — Muehl, Malte Luis vs Holub, Jan — 1/2-1/2 — Prague CZE
1961 — Gianordoli Cesar vs Mendes, Silvio Luiz Teixeira — 0-1 — Vitoria
1970 — NASSIRI MUSTAPHAA vs Nelson, Wes — 0-1 — Walnut Creek
1976 — Zalys, Ignas vs Kleinplatz, Sam — 1/2-1/2 — Montreal Spring
1979 — Jelling, Erik vs Moser, Guenter — 1/2-1/2 — Viborg DEN
3.Bb5 — 1.0% (52 parties)
1989 — Billing, Georg vs Antoszkiewicz, Gerhard — 1/2-1/2 — ?
1990 — Billing, Georg vs Vefling, Gregers — 0-1 — ICCF World Cup6-7 sf24
1993 — Bruhn, Boris vs Miersch, Marco — 1/2-1/2 — Hamburg ch-GER U20
1995 — Abhau, Jochen vs Bressel, Teoman — 1-0 — Muenster GER
1998 — Molina, Gloria Patricia vs Mateus, Martha — 0-1 — Pensilvania COL
3.f4 — 0.9% (50 parties)
1972 — Skondras, Stavros vs Paidousis, Aristidis — 1-0 — Athens GRE
1978 — Aliprantis vs Alexopoulos, Georgios 94 — 0-1 — Athens,Greece
1981 — Kougias, Hr vs Kaloskambis, Mihail — 1/2-1/2 — Athens GRE
1986 — Fehrig, Andreas vs Michaelsen, Nils — 0-1 — Hamburg HSG/BUE
1991 — Walta, Paivi vs Paasikangas, Johanna — 0-1 — Tampere NSM