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B20d — Snyder Variation (1921)
1.e4 c5 2.b3
Les coups candidats
Ambassadeurs : Skorna, Ullrich (62x), Gelashvili, Tamaz (38x), Reprintsev, Alexander (30x), Vukovic, Zdravko (24x), Babits, Andras (21x), Czerniak, Moshe (19x), Tzermiadianos, Aggelos (14x), Repkova, Eva (14x)
Ambassadeurs : Skorna, Ullrich (37x), Gelashvili, Tamaz (31x), Repkova, Eva (18x), Paichadze, Luka (18x), Kivisto, Mikko (15x), Reprintsev, Alexander (12x), Honfi, Karoly (11x), Elez, Nikola (11x)
Ambassadeurs : Gelashvili, Tamaz (16x), Boskovic, Malina (6x), Dudas, Peter (5x), Vukovic, Zdravko (5x), Treffert, Peter (5x), Repkova, Eva (5x), Markovic, Gordana NN (4x), Pambalou, Fotini (4x)
2…Nf6 — 8.0% (1009 parties)
Ambassadeurs : Reprintsev, Alexander (10x), Czerniak, Moshe (7x), Gutman, Lev (6x), Kivisto, Mikko (6x), Gelashvili, Tamaz (5x), Skorna, Ullrich (5x), Honfi, Karoly (4x), Fos Santacreu, Juan Andres (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2…Nc6 2…d6 2…e6 2…Nf6
<1800 843 44% 24% 14% 5%
1800-2200 5786 46% 21% 10% 8%
2200-2600 4505 38% 22% 9% 10%
2600+ 71 24% 23% 7% 10%
Évolution par décennie (% des parties)
Décennie N parties 2…Nc6 2…d6 2…e6 2…Nf6
1950s 19 58% 11% 5% 16%
1960s 91 60% 11% 8% 15%
1970s 133 45% 27% 13% 11%
1980s 616 39% 28% 13% 9%
1990s 2199 43% 24% 11% 8%
2000s 3750 45% 24% 10% 7%
2010s 4496 43% 20% 10% 8%
2020s 1350 41% 17% 8% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2…Nc6 43% 41% ▼ -2.0%
2…d6 20% 17% ▼ -3.0%
2…e6 10% 8% ▼ -2.1%
2…Nf6 8% 8% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 4 parties
Ju, Wenjun — 3 parties
Hou, Yifan — 2 parties
Kramnik, Vladimir — 2 parties
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie
Parties historiques
2…Nc6 — 43.1% (5453 parties)
1951 — Salas Romo, Julio vs Zamora Lima, Hazael — 1-0 — ?
1952 — Penrose, Jonathan vs Poulsen, Christian — 1/2-1/2 — Helsinki olm
1954 — Hidalgo, Charles vs Meyer, Peter — 1-0 — Los Angeles, CA USA
1954 — Kalkstein, Rodolfo vs Horberg, Bengt-Eric — 0-1 — Montevideo URU
1955 — Muehl, Malte Luis vs Holub, Jan — 1/2-1/2 — ?
2…d6 — 21.9% (2768 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, Levente — 1/2-1/2 — Hungary ch
1964 — Czerniak, Moshe vs Friedgood, David — 1-0 — Wilderness Hotel, Wilderness
1966 — Gaprindashvili, Nona vs Lazarevic, Aleksandar — 0-1 — Belgrade SRB
2…e6 — 10.1% (1273 parties)
1950 — Rethy, Pal vs Szilagyi, Gyorgy Laszlo — 0-1 — Budapest HUN
1961 — Orendy, Emil vs Bak, Istvan — 0-1 — Budapest HUN
1963 — Konarkowska-Sokolov, Henrijeta vs Keller-Hermann, Edith — 0-1 — Split ol women
1964 — Zaidel vs Kirpichnikov, Vladimir — 0-1 — Riga LAT
1964 — Franck, Rudolf vs Lohsse, Hans Peter — 1/2-1/2 — Ingolstadt
2…Nf6 — 8.0% (1009 parties)
1952 — Angley, William vs Sarosy, Zoltan L — 0-1 — Toronto CAN
1954 — Czerniak, Moshe vs Janosevic, Dragoljub — 1-0 — Belgrade SRB
1955 — Cruusberg, Axel vs Larsen, Bent — 0-1 — Copenhagen DEN
1961 — Czerniak, Moshe vs Matulovic, Milan — 0-1 — Netanya ISR
1962 — Czerniak, Moshe vs Nassimbwa Rosette — 1/2-1/2 — Belgrade SRB