B69c - 11…gxf6 12.f5 - Richter-Rauzer (1954)

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B69c — Richter-Rauzer
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 9.f4 Be7 10.Nf3 b5 11.Bxf6 gxf6 12.f5
Eval: [+0.20]
Les coups candidats
12…Qb6 — 75.1% (431 parties)
Ambassadeurs : Matsukevich, Vladimir Vladimirov (8x), ? (7x), Aigmueller, Max Ing (5x), Schneider, Lars-Ake (5x), Maki, Veijo (5x), Borisenko, Georgy K (4x), Lukin, Andrei M (4x), Stribuk, Artiom (4x)
12…Qa5 — 12.5% (72 parties)
Ambassadeurs : Manik, Mikulas (4x), Averbakh, Yuri L (2x), Dueckstein, Andreas (2x), Partos, Charles (2x), Tal, Mikhail (2x), Borisovsky, Dmitry (2x), Vagman, Roy (2x), Pavlov, Mircea-Sergiu-Aurelian (1x)
12…h5 — 4.4% (25 parties)
Ambassadeurs : Buscher, Michael (2x), Dubov, Daniil (2x), Rosino, Antonio (1x), Mariotti, Sergio (1x), Hoffmann, Alexander (1x), Richter, Goetz (1x), Kayumov, Sergey (1x), Arbakov, Valentin (1x)
12…b4 — 3.1% (18 parties)
Ambassadeurs : Veverka, Frantisek (2x), Johansson, Martin 1979 (1x), Petersen, Finn (1x), Harald, Olav (1x), Engel Christian (1x), Nikitin, Aleksander S (1x), Malich, Burkhard, Dr. (1x), Tiemann, Christoph (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12…Qb6 12…Qa5 12…h5 12…b4
<1800 6 33% 17% — 33%
1800-2200 68 79% 9% 4% 3%
2200-2600 383 79% 10% 5% 2%
2600+ 15 67% 20% 7% 7%
Évolution par décennie (% des parties)
Décennie N parties 12…Qb6 12…Qa5 12…h5 12…b4
1950s 12 33% 50% — 8%
1960s 27 48% 33% — 11%
1970s 57 72% 11% 2% 5%
1980s 47 74% 17% — 9%
1990s 39 79% 10% — 3%
2000s 46 78% 7% 9% 2%
2010s 94 70% 12% 7% 1%
2020s 252 81% 10% 5% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12…Qb6 70% 81% ▲ +11.1%
12…Qa5 12% 10% ▼ -1.8%
12…h5 7% 5% ▼ -2.3%
12…b4 1% 2% ▲ +0.5%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Botvinnik, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
12…Qb6 — 75.1% (431 parties)
1955 — Stoliar, Efim Samoilovich vs Zurakhov, Vladlen Y — 1/2-1/2 — Leningrad RUS
1957 — Averbakh, Yuri L vs Fridstein, Grigory — 1/2-1/2 — Moscow RUS
1958 — Kupper, Josef vs Panno, Oscar — 0-1 — Munich GER
1959 — Clemens, Christian, Dr. vs Bielicki, Carlos — 1-0 — Muenchenstein/Basel
1960 — Koloc vs Srp, Josef — 1-0 — corr CSSR
12…Qa5 — 12.5% (72 parties)
1954 — Nezhmetdinov, Rashid vs Korchnoi, Viktor — 1/2-1/2 — Bucharest ROU
1955 — Dueckstein, Andreas vs Geller, Efim P. — 1/2-1/2 — Zagreb CRO
1956 — Averbakh, Yuri L vs Botvinnik, Mikhail — 1/2-1/2 — ?
1957 — Bink, Johan vs Kramer, Hanspeter — 1/2-1/2 — Beverwijk NED
1958 — Dueckstein, Andreas vs Perez Perez, Francisco Jose — 1-0 — Chaumont Neuchatel
12…h5 — 4.4% (25 parties)
1974 — Rosino, Antonio vs Mariotti, Sergio — 1/2-1/2 — Venice ITA
2001 — Hoffmann, Alexander vs Richter, Goetz — 1-0 — Oldenburg (01.02.-04.02)
2002 — Kayumov, Sergey vs Arbakov, Valentin — 1/2-1/2 — Alushta UKR
2002 — Stambulian, Arsen vs Staroverov, Alexey — 1-0 — ?
2005 — Peschlow, Patrick, Dr. vs Buscher, Michael — 0-1 — ?
12…b4 — 3.1% (18 parties)
1959 — Nikitin, Aleksander S vs Malich, Burkhard, Dr. — 1-0 — Budapest HUN
1962 — Johansson, Martin 1979 vs Petersen, Finn — 1-0 — Varna BUL
1963 — Tiemann, Christoph vs Siukov — 1-0 — EU corr
1965 — Harald, Olav vs Engel Christian — 1/2-1/2 — cr.
1974 — Weinstein, Norman vs Saidy, Anthony — 1-0 — Los Angeles, CA USA