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E10m — Blumenfeld Countergambit: Duz-Khotimirsky Variation (1922)
1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.Bg5
Les coups candidats
Ambassadeurs : Ghaem Maghami, Ehsan (11x), Rudd, Jack (8x), Tregubov, Pavel V. (8x), Bakheet Farag (6x), Naumkin, Igor (5x), Grooten, Herman (4x), Csiszar, Csaba (4x), Werle, Jan (4x)
Ambassadeurs : Csiszar, Csaba (22x), Przewoznik, Jan (8x), Claesen, Pieter (6x), Fossan, Erik (6x), Alburt, Lev (5x), Van Beers, Eddy (5x), Hudecek, Jan (5x), Maksimovic, Suzana (5x)
Ambassadeurs : Knaak, Rainer (4x), Rogers, Ian (4x), Miles, Anthony J (3x), Markeluk, Sergio (3x), Medina, Miguel A. (3x), Toth-Goczo, Melinda (3x), Ansehn, Bertil (3x), Iagar, Razvan-Gabriel (3x)
5…b4 — 9.7% (247 parties)
Ambassadeurs : Koch, Jean-Rene (7x), Krejci, Jan (7x), Savchenko, Boris (7x), Naumkin, Igor (7x), Deforel, Jorge Eduardo (5x), Alburt, Lev (4x), Pap, Misa (4x), Kunin, Vitaly (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…exd5 5…Qa5+ 5…h6 5…b4
<1800 77 44% 19% 18% 8%
1800-2200 764 45% 18% 17% 6%
2200-2600 1454 46% 22% 12% 11%
2600+ 41 49% 5% 15% 32%
Évolution par décennie (% des parties)
Décennie N parties 5…exd5 5…Qa5+ 5…h6 5…b4
1950s 17 76% 6%
1960s 15 40% 20%
1970s 49 53% 10% 22%
1980s 177 29% 23% 26% 3%
1990s 435 17% 39% 23% 4%
2000s 688 48% 27% 12% 4%
2010s 1049 55% 10% 10% 17%
2020s 129 60% 5% 13% 14%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…exd5 55% 60% ▲ +4.7%
5…Qa5+ 10% 5% ▼ -5.7%
5…h6 10% 13% ▲ +3.6%
5…b4 17% 14% ▼ -3.0%
Joueurs célèbres
Champions du monde dans cette position
Ding, Liren — 2 parties
Parties historiques
5…exd5 — 45.2% (1156 parties)
1950 — Wade, Robert G vs Abiolla James — 0-1 — Southsea
1951 — Beilin, Mikhail vs Mikenas, Vladas — 1-0 — URS-ch sf Lviv UKR
1952 — Litmanowicz, Wladyslaw vs Pytlakowski, Andrzej — 0-1 — Miedzyzdroje
1952 — Geller, Efim P. vs Szabo, Laszlo — 0-1 — Saltsjobaden SWE
1953 — Mueller, Klaus vs Zirngibl, Albert — 1/2-1/2 — Jena GER
5…Qa5+ — 20.2% (518 parties)
1975 — Spassov, Liuben vs Manolov, Ivan — 1-0 — Primorsko
1975 — Lukacs, Peter vs Tompa, Janos — 1-0 — Budapest HUN
1977 — Lukov, Valentin vs Semkov, Semko — 1-0 — Bulgaria-ch
1979 — Leon Rodriguez, Orlando vs Cheryl Kaye Garcia Ong — 1-0 — Barcelona ESP
1979 — Bukic, Enver vs Pountzas, Hrisanthos — 1/2-1/2 — Bihac BIH
5…h6 — 14.2% (364 parties)
1954 — Maderna, Carlos vs Sanguinetti, Jorge Pablo — 1/2-1/2 — Mar del Plata ARG
1963 — Saemisch, Friedrich vs Fazekas, Stephan — 1/2-1/2 — Beverwijk NED
1964 — Popov, Alexander vs Bak, Istvan — 0-1 — Sinaia
1965 — Rosenfeld, Alexander vs Heinra — 1-0 — Estonia
1970 — Eugenio, Sarah De Oliveira vs Gresser, Gisela Kahn — 1-0 — Venezia Amichevole
5…b4 — 9.7% (247 parties)
1985 — Schmidt, Hannah vs Petzold, Vinzenz — 0-1 — OB corr
1986 — Karpik, Tadeusz vs Enterfeldt, Lars Lajos — 1-0 — ?
1987 — Vladimirov, Yevgeniy vs Tashkhodzhaev, Akram — 1-0 — Tashkent UZB
1989 — Olafsson, Helgi vs Alburt, Lev — 1-0 — New York open
1989 — Gurevich, Mikhail vs Alburt, Lev — 1/2-1/2 — Philadelphia, PA USA