B56i - 5…Nc6 6.h3 - Open (1921)

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B56i — Open (1921)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.h3
Les coups candidats
6…e5 — 35.2% (358 parties)
Ambassadeurs : Straka, Jozef (3x), Wong, Yinn Long (3x), Shamkovich, Leonid (2x), Zaltsman, Vitaly (2x), Kurajica, Bojan (2x), Stark, Ingo (2x), Miettinen, Teemu (2x), Golda, Harald (2x)
6…g6 — 31.1% (317 parties)
Ambassadeurs : Movsesian, Sergei (5x), Khalafova, Narmin (3x), Broekmeulen, Jasper (3x), Jones, Kenneth E (2x), Kurajica, Bojan (2x), Toth, Peter (2x), Lima, Darcy (2x), Posazhennikov, Alex (2x)
6…e6 — 19.1% (194 parties)
Ambassadeurs : Kozul, Zdenko (5x), Kurajica, Bojan (3x), Hosek, Milan (3x), Dolezal, Cristian (3x), Rogic, Davor (3x), Gireman, Ja (2x), Khalafova, Narmin (2x), Levin, Eugene (1x)
6…a6 — 8.0% (81 parties)
Ambassadeurs : Epishin, Vladimir (2x), Gashimov, Vugar (2x), Tarnowski, Alfred (1x), Szily, Jozsef (1x), Blasco Rozas, Rafael (1x), Sherwin, James T (1x), Wita, Kamil (1x), Knight, Alexander Paul (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…e5 6…g6 6…e6 6…a6
<1800 75 27% 39% 16% 8%
1800-2200 378 40% 29% 16% 10%
2200-2600 405 37% 33% 21% 4%
2600+ 32 44% 28% 16% 6%
Évolution par décennie (% des parties)
Décennie N parties 6…e5 6…g6 6…e6 6…a6
1950s 14 21% 50% 7% 14%
1960s 16 12% 25% 31% —
1970s 15 47% 20% 20% 7%
1980s 17 29% 41% 18% 6%
1990s 126 21% 33% 28% 12%
2000s 225 29% 25% 24% 11%
2010s 453 37% 34% 17% 7%
2020s 152 54% 29% 10% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…e5 37% 54% ▲ +17.1%
6…g6 34% 29% ▼ -5.3%
6…e6 17% 10% ▼ -7.1%
6…a6 7% 4% ▼ -3.1%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
6…e5 — 35.2% (358 parties)
1950 — Jenei, Ferenc vs Szilagyi, Gyorgy Laszlo — 0-1 — Budapest HUN
1954 — Tarnowski, Alfred vs Arlamowski, Edward — 0-1 — Lodz ch
1955 — McCormick, Edgar T vs Rossolimo, Nicolas — 0-1 — Long Beach, CA USA
1963 — Suarez Castro Aidan Fernando vs Pugach, Mario — 1/2-1/2 — Buenos Aires ch-ARG
1966 — Calapso, Remo vs Scafarelli, Francesco — 1/2-1/2 — Monticelli ITA
6…g6 — 31.1% (317 parties)
1951 — Fajans, Harry vs Jones, Kenneth E — 1/2-1/2 — ?
1951 — De Freitas, Marcio Elisio vs Lemos, Jorge Joao — 1/2-1/2 — Fortaleza BRA
1953 — Bapodara Gordhan vs Ginsburg, Mark — 1-0 — New York, NY USA
1954 — Wade, Robert G vs Trifunovic, Petar — 1/2-1/2 — Belgrade SRB
1954 — McCormick, Edgar T vs Fielding, Gerald — 1-0 — New Orleans, LA USA
6…e6 — 19.1% (194 parties)
1955 — Levin, Eugene vs Kovacs, Zoltan — 0-1 — ?
1966 — Popovic, Vojislav vs Bradvarevic, Aleksandar — 1/2-1/2 — Venice ITA
1966 — Kurajica, Bojan vs Gheorghiu, Florin — 1/2-1/2 — Oerebro
1969 — Schlotthauber, Werner vs Werner, Stephan — 0-1 — Steinheim
1969 — Kurajica, Bojan vs Bertok, Mario Jr. — 1/2-1/2 — Zagreb CRO
6…a6 — 8.0% (81 parties)
1952 — Tarnowski, Alfred vs Szily, Jozsef — 1/2-1/2 — Miedzyzdroje
1955 — Blasco Rozas, Rafael vs Sherwin, James T — 0-1 — Long Beach, CA USA
1977 — Wita, Kamil vs Knight, Alexander Paul — 0-1 — Seattle, WA USA
1987 — Saltaev, Mihail vs Epishin, Vladimir — 1/2-1/2 — Tashkent UZB
1990 — Ostojic, Predrag vs Epishin, Vladimir — 1/2-1/2 — Frankfurt GER