B66a - 8.* - Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations (1935)

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B66a — Richter-Rauzer
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6
Eval: [+0.42]
Les coups candidats
Ambassadeurs : Wosch, Arkadiusz (363x), Kozul, Zdenko (233x), Csom, Istvan (93x), ? (90x), Lerner, Konstantin Z (82x), Lanka, Zigurds (79x), Tukmakov, Vladimir B (78x), Van der Wiel, John T.H. (72x)
8.Nxc6 — 1.4% (373 parties)
Ambassadeurs : Wosch, Arkadiusz (39x), Kruse, Herbert (21x), Simmelink, Joop Theo (5x), Kireev, Sergey (5x), Rashitov, Denis Rafisovich (4x), Gupta, Abhijeet (3x), Malicka, Maria (3x), Mishra, Abhimanyu (3x)
8.f4 — 1.2% (320 parties)
Ambassadeurs : Boleslavsky, Isaac (2x), Sandahl, Jan (2x), Klein, David (2x), Ashwin, Jayaram (2x), Zecevic, Ivan (2x), Leks, Maria (2x), Corriguelas Armillas, Frederic (2x), Smyslov, Vasily (1x)
Ambassadeurs : Meijers, Viesturs (25x), Kudrin, Sergey (18x), Horne, Dennis Morton (4x), Renet, Olivier (4x), Gurgenidze, Bukhuti (3x), Dutreeuw, Marc (3x), Fridstein, German (2x), Bronstein, David I (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.O-O-O 8.Nxc6 8.f4 8.Be2
<1800 247 88% 0% 4% 4%
1800-2200 5430 92% 2% 2% 1%
2200-2600 16794 96% 1% 1% 1%
2600+ 744 97% 2% 0% 0%
Évolution par décennie (% des parties)
Décennie N parties 8.O-O-O 8.Nxc6 8.f4 8.Be2
1900s 1 100% — — —
1930s 8 12% — — 50%
1940s 59 68% — 7% 19%
1950s 424 88% 0% 1% 8%
1960s 376 93% — 1% 4%
1970s 957 96% 0% 2% 1%
1980s 1496 97% — 1% 1%
1990s 4723 97% 0% 1% 2%
2000s 7434 96% 0% 1% 1%
2010s 7631 94% 2% 1% 1%
2020s 3541 91% 6% 2% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O-O 94% 91% ▼ -3.4%
8.Nxc6 2% 6% ▲ +3.6%
8.f4 1% 2% +0.2%
8.Be2 1% 0% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Botvinnik, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Karpov, Aleksandr — 7 parties
Ju, Wenjun — 7 parties
Smyslov, Vladimir — 4 parties
Ding, Liren — 3 parties
Gukesh D — 1 partie
Parties historiques
8.O-O-O — 94.7% (25225 parties)
1909 — Milosevic, Goran vs Georges, Sacha — 1-0 — Switzerland
1939 — Prins, Lodewijk vs De Souza Mendes, Joao — 1-0 — Buenos Aires ARG
1940 — Hachaturov, A. vs Tolush, Alexander — 0-1 — USSR
1943 — Konstantinopolsky, Alexander vs Boleslavsky, Isaac — 1/2-1/2 — Sverdlovsk
1943 — Napolitano, Mario vs Barcza, Gedeon — 1/2-1/2 — Corr corr.
8.Nxc6 — 1.4% (373 parties)
1958 — Succar, Mohammad vs Beckingham — 0-1 — Munich GER
1970 — Witkowski, Stefan vs Pietrusiak, Bogdan — 1/2-1/2 — Piotrkow Trybunalski POL
1993 — Maric, Mirjana vs Krivec, Jana — 1/2-1/2 — Krsko op Girls
1997 — Neven, Knut vs Nickoloff, Bryon — 1/2-1/2 — Winnipeg open
1999 — Karlsson, Kurre vs Wolczek, Stanislaus — 1/2-1/2 — corr EM/C/B011
8.f4 — 1.2% (320 parties)
1942 — Smyslov, Vasily vs Boleslavsky, Isaac — 1-0 — Kuibyshev
1942 — Smyslov, Vladimir vs Boleslavsky, Isaac — 1-0 — Kuibyshev
1943 — Roepstorff, H vs Lisse, Leo — 1-0 — Bad Krynica
1949 — Bonch Osmolovsky, M. vs Liskov, I. — 0-1 — Moscow RUS
1950 — Skold, Kent-Ake vs Ojanen, Kaarle S — 1-0 — Dubrovnik CRO
8.Be2 — 1.2% (317 parties)
1934 — Sergeant, Edward vs Solin, Ilmari — 1-0 — Hastings ENG
1936 — Najdorf, Miguel vs Kavlie Jorgensen, O — 1-0 — Munich GER
1937 — Piltz, Karol vs Gerstenfeld, Eduard — 0-1 — Jurata
1937 — Bernards, Job vs Leal Napolitano, Yosman Jose — 0-1 — cr.
1941 — Chistiakov, Alexander vs Petrov, Vladimir (ENG) — 0-1 — Rostov on Don