B66d - 8…Be7 - Richter-Rauzer (1935)

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B66d — Richter-Rauzer (1935)
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 Be7
Les coups candidats
9.f4 — 59.5% (1700 parties)
Ambassadeurs : Durarbayli, Vasif (14x), Acs, Peter (12x), Boros, Denes (9x), Greenfeld, Alon (9x), Blehm, Pawel (8x), Kuzmin, Egor (8x), Suetin, Alexey S (7x), Nijboer, Friso (7x)
9.f3 — 19.4% (556 parties)
Ambassadeurs : Greenfeld, Alon (6x), Bakre, Tejas (4x), Navara, David (4x), Ruiz Sanchez, Orlen (4x), Jacobson, Brandon (4x), Malakhov, Valentyn (3x), Mista, Aleksander (3x), Ashwin, Jayaram (3x)
9.Bxf6 — 9.5% (271 parties)
Ambassadeurs : Korneev, Oleg (3x), Orozbaev, Eldiyar (3x), Adharsh K (3x), Hazai, Laszlo Dr. (2x), Czarnota, Pawel (2x), Morovic Fernandez, Ivan (2x), Zambrana, Osvaldo (2x), Leon Hoyos, Manuel (2x)
9.Kb1 — 4.3% (123 parties)
Ambassadeurs : Shohat, Yotam (3x), Praggnanandhaa R (2x), Paasikangas, Johanna (2x), Budisavljevic, Luka (2x), Cederstam, Carl (2x), Zvorykina, Kira Alekseyevna (1x), Kulke, Marianne (1x), Sanchez Martinez, Miguel Angel (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.f4 9.f3 9.Bxf6 9.Kb1
<1800 112 63% 20% 10% 1%
1800-2200 962 61% 19% 7% 5%
2200-2600 1370 55% 23% 12% 4%
2600+ 84 70% 14% 8% 4%
Évolution par décennie (% des parties)
Décennie N parties 9.f4 9.f3 9.Bxf6 9.Kb1
1950s 48 75% — 15% —
1960s 43 86% — 7% 2%
1970s 58 84% 7% 5% —
1980s 86 81% 7% 5% —
1990s 301 70% 9% 4% 3%
2000s 823 59% 24% 6% 3%
2010s 884 64% 24% 6% 2%
2020s 616 39% 19% 22% 13%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.f4 64% 39% ▼ -25.8%
9.f3 24% 19% ▼ -5.2%
9.Bxf6 6% 22% ▲ +15.9%
9.Kb1 2% 13% ▲ +11.2%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 3 parties
Kasparov, Garry — 2 parties
Anand, Viswanathan — 2 parties
Kramnik, Vladimir — 2 parties
Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
9.f4 — 59.5% (1700 parties)
1951 — Suetin, Alexey S vs Moisieev Oleg L — 0-1 — Ch URS (1/2 final), Leningrad
1952 — Arvidsson, Egon vs Goode, Royal — 1-0 — ?
1952 — Piatigorsky, Jacqueline vs Madrid, Brixe Xander Navacilia — 1-0 — Hollywood, CA
1953 — Barden, Leonard vs Boxall, RF. — 1-0 — Hastings ch-BCF
1953 — Fabricius H vs Bleul Klaus Peter — 1-0 — ?
9.f3 — 19.4% (556 parties)
1976 — Campbell, Franklin J vs Arellano, Deo — 1-0 — 76N353 Golden Knights
1977 — Fuerlinger, Harald vs Thurnher, Rudolf — 1-0 — Moesern
1979 — Andre, Wolfgang vs Ueter, Heinz-Dieter — 1-0 — Bochum GER
1979 — Andre, Wolfgang vs Gueroff, Eduard — 1-0 — Bochum GER
1980 — Michiels, Dirk vs Heilinger, Dietmar — 1/2-1/2 — Groningen ch-EU jr
9.Bxf6 — 9.5% (271 parties)
1950 — Schmid, Lothar vs Sumar, Julio — 1-0 — Dubrovnik olm
1952 — Spitzer, Gy vs Forintos, Gyozo V — 1-0 — Budapest HUN
1954 — Anderson, Frank Ross vs Kelly, Terry — 1-0 — Amsterdam olm
1957 — Rodriguez Garcia, Jesus vs Pomar Salamanca, Arturo — 0-1 — Zaragoza
1957 — Slezacek vs Hlavacek, Jiri — 1-0 — corr CSSR
9.Kb1 — 4.3% (123 parties)
1963 — Zvorykina, Kira Alekseyevna vs Kulke, Marianne — 1-0 — Split CRO
1992 — Stephan, Axel vs Wilde, Dennis — 1-0 — GER-ch U17
1992 — Westergaard, J. vs Hogberg, Jan — 0-1 — Goteborg SWE
1996 — Pina, Vladimiro vs Mubayiwa, Bruce — 1-0 — Maputo
1996 — Zedek, Frantisek vs Jankauskas, Gracijus — 1/2-1/2 — Rimavska Sobota Ych-Eu b1