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B20e — Staunton-Cochrane Variation (1947)
1.e4 c5 2.c4
Les coups candidats
Ambassadeurs : Orev, Petar (71x), Werner, Bernd-Michael (69x), Van Weersel, Arlette (67x), Drtina, Milan (60x), Hautot, Stephane (48x), Helin, Mikael (44x), Kopal, Josef (41x), Patola, Eero (41x)
Ambassadeurs : Werner, Bernd-Michael (6x), Van Weersel, Arlette (5x), Rogers, Cathy (4x), Martindale, Roger (4x), Klotz, Sonja (3x), Kovacs, Gabor (3x), Ingibergsson, Valgard (3x), Aabel, Anders (3x)
Ambassadeurs : Werner, Bernd-Michael (6x), Strathoff, Jens (6x), Rumiancev, Gennadij (5x), Orev, Petar (5x), Kuhn, Norbert (4x), Tonoli, Benjamin (4x), Heyl, Thomas (4x), Spanton, Tim R (4x)
2…g6 — 4.4% (560 parties)
Ambassadeurs : Orev, Petar (6x), Kruimer, H J (4x), Collins, Richard (3x), Patola, Eero (3x), Martindale, Roger (3x), Moscrop, Brian (2x), Dumitrache, Dragos-Nicolae (2x), Gheorghiu, Florin (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2…Nc6 2…d6 2…e6 2…g6
<1800 1539 69% 14% 7% 5%
1800-2200 6156 78% 8% 6% 4%
2200-2600 2533 84% 5% 6% 4%
2600+ 17 82% 6% 6% 6%
Évolution par décennie (% des parties)
Décennie N parties 2…Nc6 2…d6 2…e6 2…g6
1950s 38 76% 8% 5% 11%
1960s 68 79% 4% 1% 13%
1970s 117 73% 6% 9% 9%
1980s 278 81% 6% 5% 5%
1990s 2400 76% 10% 6% 4%
2000s 4410 75% 10% 7% 5%
2010s 4268 76% 9% 6% 4%
2020s 1248 80% 7% 5% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2…Nc6 76% 80% ▲ +4.1%
2…d6 9% 7% ▼ -2.4%
2…e6 6% 5% ▼ -1.2%
2…g6 4% 4% ▼ -0.7%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 2 parties
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
2…Nc6 — 76.4% (9795 parties)
1950 — Pfeiffer, Gerhard vs Miguel, Nahuel — 0-1 — Bled SLO
1950 — Grob, Henry vs Aditya Balu Jadhav — 1-0 — Lucerne SUI
1951 — Broadbent, Reginald vs Matanovic, Aleksandar — 1/2-1/2 — Birmingham ENG
1952 — Sliwa Bogdan vs Botvinnik, Mikhail — 0-1 — Hungary, It, Budapest
1952 — Juarez, Carlos Eleodoro vs Garcia Vera, Romeo — 0-1 — Buenos Aires ARG
2…d6 — 9.6% (1227 parties)
1951 — Pfeiffer, Gerhard vs Pirc, Vasja — 1/2-1/2 — Match FRG-YUG
1954 — Nielsen, Ejgild vs Raizman, Maurice — 1-0 — Amsterdam olm
1955 — Nielsen, E Verner vs Larsen, Bent — 0-1 — Aalborg DEN
1960 — Namzhil, Naidan vs Munoz Tamayo, Cesar Froilan — 0-1 — Leipzig GER
1966 — Coudari, Camille vs Milardo — 1-0 — Norwich ENG
2…e6 — 6.1% (777 parties)
1952 — Kremer, Paul vs Cobo Arteaga, Eldis — 0-1 — Helsinki olm
1957 — Schlotthauber, Werner vs Hantke, Rolf — 0-1 — Brakel
1961 — Ryley, P vs Paige, Roger Leslie — 0-1 — Aberystwyth
1970 — Gusev, Vladimir vs Vasiukov, Evgeni — 0-1 — USSR
1971 — Orev, Petar vs Spassov, Liuben — 0-1 — Sofia BUL
2…g6 — 4.4% (560 parties)
1954 — Kremer, Paul vs Panagopoulos, Takis — 0-1 — Amsterdam olm
1956 — Rico Gonzalez, Antonio vs Larsen, Bent — 0-1 — Gijon
1958 — Tempelmeier Oskar vs Groenegress, Wilfried — 1-0 — OWL-ch Detmold
1959 — Juarez, Carlos Eleodoro vs Wexler, Bernardo — 1/2-1/2 — Buenos Aires ARG
1960 — Moscrop, Brian vs Collins, Richard — 0-1 — Hayes