B66c - 8.O-O-O - Richter-Rauzer (1979)

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B66c — Richter-Rauzer (1979)
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
Les coups candidats
Ambassadeurs : Wosch, Arkadiusz (329x), Kozul, Zdenko (234x), Schneider, Lars-Ake (57x), Gupta, Abhijeet (45x), Mednis, Edmar J (43x), ? (40x), Brandenburg, Daan (38x), Lupulescu, Constantin (38x)
Ambassadeurs : Csom, Istvan (90x), Lanka, Zigurds (69x), Lerner, Konstantin Z (68x), Tukmakov, Vladimir B (41x), Dlugy, Maxim (39x), Radulov, Ivan (36x), Dvoirys, Semen I. (35x), Kosteniuk, Alexandra (35x)
Ambassadeurs : Madl, Ildiko (22x), Acs, Peter (14x), Vorobiov, Evgeny E. (12x), Likavsky, Tomas (11x), Boros, Denes (10x), Nijboer, Friso (10x), Dreev, Aleksey (9x), Praggnanandhaa R (9x)
Ambassadeurs : Shishkin, Vadim (11x), Ivanov, Alexey (11x), Wojtaszek, Radoslaw (11x), Epishin, Vladimir (9x), Lapiccirella, Mattia (9x), Demuth, Adrien (9x), Lupulescu, Constantin (8x), Manik, Mikulas (8x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…Bd7 8…h6 8…Be7 8…Nxd4
<1800 689 63% 28% 7% 1%
1800-2200 6629 63% 27% 6% 1%
2200-2600 15293 61% 29% 6% 2%
2600+ 614 59% 27% 10% 3%
Évolution par décennie (% des parties)
Décennie N parties 8…Bd7 8…h6 8…Be7 8…Nxd4
1950s 369 74% 24% 2% —
1960s 349 70% 26% 3% 0%
1970s 935 70% 27% 3% 0%
1980s 1457 49% 48% 2% —
1990s 4580 37% 58% 2% 2%
2000s 7149 55% 33% 6% 4%
2010s 7218 71% 18% 7% 1%
2020s 3772 81% 7% 12% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…Bd7 71% 81% ▲ +9.5%
8…h6 18% 7% ▼ -11.4%
8…Be7 7% 12% ▲ +4.5%
8…Nxd4 1% 0% ▼ -1.0%
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
Hou, Yifan — 10 parties
Botvinnik, Mikhail — 9 parties
Carlsen, Magnus — 9 parties
Ju, Wenjun — 6 parties
Ding, Liren — 3 parties
Gukesh D — 1 partie
Parties historiques
8…Bd7 — 60.9% (15739 parties)
1950 — Olafsson, Fridrik vs Boey, Josef — 1-0 — Birmingham ENG
1950 — Sebestyen, Balazs vs Benko, Pal — 1-0 — Budapest HUN
1950 — Ravinsky, Grigory vs Koblencs, Alexander — 1/2-1/2 — Leningard
1950 — Meyer, Eugene vs Heemsoth, Hermann — 0-1 — corr Blumich mem
1950 — Estrin, Yakov vs Sidorov, Anatoly — 0-1 — URS-ch sf Gorky
8…h6 — 29.8% (7689 parties)
1950 — Averbakh, Yuri L vs Suetin, Alexey S — 1-0 — Moskou ch-URS
1950 — Geis, Emil vs Walther, Edgar — 0-1 — cr.
1950 — Guldin, Lev Isaevich vs Aronin, Lev — 0-1 — URS-ch sf Gorky
1950 — Johansson, Ingi vs Busek, Hans — 1-0 — Dubrovnik olm
1950 — Konstantinopolsky, Alexander vs Aronin, Lev — 0-1 — Moscow RUS
8…Be7 — 5.8% (1505 parties)
1952 — Anderson, Frank Ross vs Greenberg, Joe — 1-0 — Toronto CAN
1952 — Spitzer, Gy vs Forintos, Gyozo V — 1-0 — Budapest HUN
1953 — Fabricius H vs Bleul Klaus Peter — 1-0 — ?
1954 — Cross, Robert Gary vs Grumette, L — 1-0 — Los Angeles, CA USA
1958 — Palermo, Vicente vs Benzaquen, Pablo — 1-0 — Buenos Aires ARG
8…Nxd4 — 2.0% (521 parties)
1960 — Kaszdan, Ernesto vs Fleurquin, H. — 0-1 — ?
1973 — Tal, Mikhail vs ? — 1-0 — simul
1977 — Torre, Eugenio vs Mascarinas, Rico — 1-0 — Manila PHI
1995 — Greig, Gordon Mackenzie vs Neumann, Joachim — 0-1 — ?
1995 — Kasparov Linggi vs Hracek, Zbynek — 1-0 — ?