B68d - 10…b5 - Richter-Rauzer (1948)

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B68d — Richter-Rauzer (1948)
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
Les coups candidats
Ambassadeurs : Matsukevich, Vladimir Vladimirov (24x), Timman, Jan H (17x), Schneider, Lars-Ake (16x), Maki, Veijo (14x), ? (13x), Aigmueller, Max Ing (12x), Savitskiy, Sergey (10x), Lukin, Andrei M (9x)
Ambassadeurs : Schneider, Lars-Ake (6x), Lukin, Andrei M (4x), Kazoks, Aivars (4x), Mednis, Edmar J (3x), Ostojic, Predrag (3x), Matanovic, Aleksandar (3x), Aigmueller, Max Ing (3x), Ernst, Thomas (3x)
11.Bd3 — 7.6% (189 parties)
Ambassadeurs : Ornstein, Axel (4x), Schneider, Lars-Ake (3x), Bluvshtein, Mark (3x), Alexander Tadala (2x), Zurakhov, Vladlen Y (2x), Altshuler, Roman Zinovievich (2x), Arseniev, Vladimir V. (2x), Olsson, Tomas (2x)
11.a3 — 2.8% (70 parties)
Ambassadeurs : Gallagher, Joseph G. (3x), Nurman, Alua (3x), Amar, Elham (3x), Tal, Mikhail (2x), Cabrilo, Goran (2x), Hernandez Guerrero, Gilberto (2x), Savitha Shri B (2x), Ospina Castro, Santiago (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11.Bxf6 11.e5 11.Bd3 11.a3
<1800 62 79% 13% 3% 5%
1800-2200 515 71% 19% 5% 2%
2200-2600 1482 73% 16% 7% 3%
2600+ 57 74% 16% 2% 5%
Évolution par décennie (% des parties)
Décennie N parties 11.Bxf6 11.e5 11.Bd3 11.a3
1950s 63 27% 41% 27% 5%
1960s 103 50% 23% 18% 8%
1970s 213 77% 10% 11% 1%
1980s 215 74% 14% 9% 1%
1990s 237 62% 24% 9% 3%
2000s 280 70% 21% 7% 2%
2010s 539 71% 20% 6% 2%
2020s 840 76% 15% 4% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11.Bxf6 71% 76% ▲ +5.3%
11.e5 20% 15% ▼ -5.0%
11.Bd3 6% 4% ▼ -1.7%
11.a3 2% 4% ▲ +1.5%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 5 parties
Anand, Viswanathan — 3 parties
Ju, Wenjun — 3 parties
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
11.Bxf6 — 70.5% (1756 parties)
1954 — Novopashin, Arkady vs Polugaevsky, Lev — 1-0 — Gorki ch22-SU sf
1954 — Nezhmetdinov, Rashid vs Korchnoi, Viktor — 1/2-1/2 — Bucharest ROU
1955 — Stoliar, Efim Samoilovich vs Zurakhov, Vladlen Y — 1/2-1/2 — RUS ch
1955 — Dueckstein, Andreas vs EDEN GLORY — 1/2-1/2 — Zagreb CRO
1956 — Averbakh, Yuri L vs Ciocaltea, Victor — 1/2-1/2 — Dresden GER
11.e5 — 17.9% (445 parties)
1952 — Arvidsson, Egon vs Goode, Royal — 1-0 — ?
1952 — Boutteville, Cesar vs Borsony, Valt — 0-1 — ?
1953 — Beni, Alfred vs Taimanov, Mark — 0-1 — Wenen AUT-URS
1955 — Arabia, Laurence vs Acoltzi Ruiz, Mariana — 0-1 — Buenos Aires ARG
1956 — Koch, Berthold vs Bouwmeester, Hans — 1/2-1/2 — Olympiad Moscow RUS
11.Bd3 — 7.6% (189 parties)
1953 — Olafsson, Fridrik vs Alexander Tadala — 0-1 — Hastings ENG
1953 — Matanovic, Aleksandar vs Alexander Tadala — 1-0 — Hastings ENG
1954 — Watzal, Dennis vs O'Kelly de Galway, Alberic — 1/2-1/2 — Dyckhoff Memorial A 5456
1955 — Van Donk, Henk vs Spanjaard, Eduard — 0-1 — Beverwijk NED
1955 — Bertok, Mario Jr. vs Vospernik, Zdravko — 1-0 — Novi Sad SRB
11.a3 — 2.8% (70 parties)
1955 — Lein, Anatoly vs Tal, Mikhail — 1-0 — Vilnius LTU
1957 — Muller, Hans P vs Kuehler, Wolfgang — 0-1 — The Hague NED
1957 — MULLER vs Aditya Khuller — 0-1 — The Hague NED
1961 — Lane, Lisa vs Van der Mije Nicolau, Alexandra — 1-0 — Vrnjacka Banja SRB
1962 — Soderborg, Berndt vs Barden, Leonard — 1-0 — Olympiad Varna BUL