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

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B66a — Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations (1935)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6
Les coups candidats
Ambassadeurs : Wosch, Arkadiusz (367x), Kozul, Zdenko (238x), Lanka, Zigurds (110x), Csom, Istvan (89x), ? (88x), Tukmakov, Vladimir B (83x), Lerner, Konstantin Z (82x), Van der Wiel, John T.H. (68x)
8.Nxc6 — 1.6% (449 parties)
Ambassadeurs : Wosch, Arkadiusz (39x), Kruse, Herbert (20x), Simmelink, Joop Theo (6x), Kireev, Sergey (5x), Gaw, Chloe (5x), Rashitov, Denis Rafisovich (4x), Vega Gutierrez, Sabrina (4x), Stribuk, Artiom (4x)
8.f4 — 1.2% (323 parties)
Ambassadeurs : Bellin, Robert (2x), Sandahl, Jan (2x), Klein, David (2x), Ashwin, Jayaram (2x), Zecevic, Ivan (2x), Leks, Maria (2x), Corriguelas Armillas, Frederic (2x), Mack, Andrew L (1x)
Ambassadeurs : Meijers, Viesturs (25x), Kudrin, Sergey (17x), Milic, Borislav (4x), Gurgenidze, Bukhuti (3x), Horne, Dennis Morton (3x), Renet, Olivier (3x), Dutreeuw, Marc (3x), Jezek, Stanislav (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 748 92% 1% 3% 2%
1800-2200 7219 92% 2% 2% 2%
2200-2600 15966 96% 2% 1% 1%
2600+ 630 97% 2% 0% 0%
Évolution par décennie (% des parties)
Décennie N parties 8.O-O-O 8.Nxc6 8.f4 8.Be2
1950s 422 87% 0% 1% 9%
1960s 375 93% — 1% 4%
1970s 969 96% 0% 2% 1%
1980s 1502 97% — 1% 1%
1990s 4742 97% 0% 1% 2%
2000s 7459 96% 0% 1% 1%
2010s 7669 94% 2% 1% 1%
2020s 4197 90% 7% 1% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O-O 94% 90% ▼ -4.2%
8.Nxc6 2% 7% ▲ +4.6%
8.f4 1% 1% +0.1%
8.Be2 1% 0% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Botvinnik, Mikhail — 9 parties
Ju, Wenjun — 7 parties
Ding, Liren — 3 parties
Gukesh D — 1 partie
Parties historiques
8.O-O-O — 94.5% (25832 parties)
1950 — Averbakh, Yuri L vs Suetin, Alexey S — 1-0 — Moskou ch-URS
1950 — Olafsson, Fridrik vs Boey, Josef — 1-0 — Birmingham ENG
1950 — Geis, Emil vs Walther, Edgar — 0-1 — cr.
1950 — Sebestyen, Balazs vs Benko, Pal — 1-0 — Budapest HUN
1950 — Ravinsky, Grigory vs Koblencs, Alexander — 1/2-1/2 — Leningard
8.Nxc6 — 1.6% (449 parties)
1958 — Succar, Mohammad vs Beckingham — 0-1 — Munich GER
1970 — Witkowski, Stefan vs Pietrusiak, Bogdan — 1/2-1/2 — Piotrkow ch 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% (323 parties)
1950 — Skold, Kristian vs Ojanen, Kaarle S — 1-0 — Dubrovnik olm
1957 — Nielsen, Gunnar vs Stoltze, Kurt — 1-0 — Denmark ch corr
1959 — Napier, IR. vs Wells, Peter K — 0-1 — Bognor Regis
1963 — Mack, Andrew L vs Reynolds, D Ian W — 1/2-1/2 — Michigan Open
1964 — Moennich, Marcos vs De Souza Mendes, Joao — 0-1 — Brasilia BRA
8.Be2 — 1.1% (308 parties)
1950 — Guldin, Lev Isaevich vs Dubinin, Peter — 0-1 — Gorky
1950 — Hromada, Vaclav vs Afizov, Marsel — 0-1 — Chocen
1950 — Tranmer, Eileen vs Hrushkova-Belska, Nina — 1-0 — Moscow RUS
1951 — Russ, Victor John Anthony vs Barden, Leonard — 0-1 — Swansea WLS
1951 — Johansson, Inge V vs Stoltz, Gosta — 0-1 — Sweden