C79b - 6.c3 - Spanish: Steinitz Deferred (1905)

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C79b — Spanish: Steinitz Deferred (1905)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.c3
Les coups candidats
6…Bd7 — 36.4% (408 parties)
Ambassadeurs : Klovans, Janis (4x), Yip, Carissa (4x), Falkevall, Axel (4x), Kushagra Mohan (4x), Ivanchuk, Vasyl (4x), Maurizzi, MarcAndria (4x), Gereben, Erno (3x), Ivkov, Borislav (3x)
6…Be7 — 29.7% (333 parties)
Ambassadeurs : Kolanek, Roman (5x), Szabo, Laszlo (4x), Struzka, Vlastimil (4x), Látal, Frantisek (4x), Tal, Mikhail (3x), Smyslov, Vasily (3x), Rakhimov, Rustam Alidganovich (3x), Nilsson, Zandor (2x)
6…b5 — 13.1% (147 parties)
Ambassadeurs : Grob, Henry (2x), Putzbach, Gerd (2x), Beyer, Hans-Joachim (2x), Garcia Martinez, Silvino (1x), Rossetto, Hector (1x), Abanin, Vladimir (1x), Nurmamedov, Mammed (1x), Gavriljanchuk, Dmitry (1x)
6…Bg4 — 9.6% (107 parties)
Ambassadeurs : Byvshev, Vasily (4x), Spassky, Boris V. (4x), Ragozin, Viacheslav (3x), Palciauskas, Victor V (3x), Limbos, Patrick (2x), Mollekens, Jozef (2x), Sin Kuen (2x), Pietzsch, Wolfgang (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Bd7 6…Be7 6…b5 6…Bg4
<1800 98 15% 39% 26% 9%
1800-2200 383 28% 40% 16% 7%
2200-2600 369 62% 16% 7% 5%
2600+ 16 62% 6% — —
Évolution par décennie (% des parties)
Décennie N parties 6…Bd7 6…Be7 6…b5 6…Bg4
1950s 65 22% 31% 11% 22%
1960s 71 23% 38% 3% 20%
1970s 43 42% 30% 9% 12%
1980s 29 21% 24% 10% 31%
1990s 115 23% 38% 18% 12%
2000s 159 18% 36% 23% 16%
2010s 311 22% 43% 17% 7%
2020s 327 71% 9% 6% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Bd7 22% 71% ▲ +49.4%
6…Be7 43% 9% ▼ -34.5%
6…b5 17% 6% ▼ -11.2%
6…Bg4 7% 2% ▼ -5.2%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 5 parties
Gukesh D — 2 parties
Parties historiques
6…Bd7 — 36.4% (408 parties)
1950 — Batchinsky, Basile vs Leepin, Peter — 0-1 — Lucerne SUI
1951 — De Moura, Abner Menezes vs Prins, Arie — 0-1 — Bad Pyrmont GER
1951 — De Moura, Joao Guilherme vs Prins, Lodewijk — 0-1 — ?
1951 — Pfeiffer, Gerhard vs Teschner, Rudolf — 1/2-1/2 — Duesseldorf GER
1952 — Anay Barche vs Gereben, Erno — 1/2-1/2 — Hungary ch
6…Be7 — 29.7% (333 parties)
1952 — Eliskases, Erich vs Carvalho, Flavio — 1-0 — Sao Paulo BRA
1952 — Stoliar, Efim Samoilovich vs Abanin, Vladimir — 0-1 — Minsk BLR
1954 — Fox, Maurice vs Andrade, Ledaiane Vicente De — 1-0 — Montreal CAN
1954 — Van den Graaf, B. vs Ohlrich, G. — 1-0 — cr.
1954 — Toran Albero, Roman vs Olivera, Juan Francisco — 1-0 — Montevideo URU
6…b5 — 13.1% (147 parties)
1951 — Medina-Garcia, Antonio vs Grob, Henry — 1/2-1/2 — Madrid ESP
1952 — Teschner, Rudolf vs Grob, Henry — 0-1 — Lucerne SUI
1956 — Boleslavsky, Isaac vs Aadhitha Karikalan — 1/2-1/2 — USSR
1957 — Abanin, Vladimir vs Nurmamedov, Mammed — 1-0 — Ashkhabad
1957 — Gavriljanchuk, Dmitry vs Nuzhdin, N — 1/2-1/2 — ?
6…Bg4 — 9.6% (107 parties)
1951 — Malich, Burkhard, Dr. vs Achatz, Karl Hans — 0-1 — Leipzig GER
1953 — Noordijk, R. vs Lipschitz, Ir — 1-0 — cr.
1954 — Bhend, Edwin vs Ribeiro, Joao — 1/2-1/2 — Munich GER
1954 — Tribushevsky vs Kotkov, Yuri M — 0-1 — Yaroslavl
1954 — Byvshev, Vasily vs Kuzminykh, Evgeny — 1-0 — Leningrad ch22-SU sf