B62h - 7…Bd7 - Richter-Rauzer, Margate (1925)

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B62h — Richter-Rauzer, Margate (1925)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Bb5 Bd7
Les coups candidats
Ambassadeurs : Westerinen, Heikki M.J. (14x), Milov, Leonid (12x), Bryla, Hanna (8x), Escofet, Jaime (7x), Berzinsh, Roland (6x), Podoba, Milan (6x), Watson, William N (5x), Estevez De La Pena, Guillermo Santiago (4x)
8.O-O — 23.4% (316 parties)
Ambassadeurs : Lengyel, Bela (30x), Shamkovich, Leonid (2x), Amone Stephen (2x), Tarzia, Paolo Giovanni (2x), Hauser, Siegfried (2x), Getz, Nicolai (2x), Fataliyeva, Ulviyya (2x), Bernardini, Valerio P (1x)
8.Qd3 — 21.2% (286 parties)
Ambassadeurs : Stankovic, Milo (4x), Mosadeghpour, Masoud (4x), Kwong, Wing Ki (4x), Das, Arghyadip (3x), Todorovic, Goran M (3x), O'Carroll, Om (3x), Tanenbaum, Zachary (3x), Razafindratsima, Timothe (3x)
8.Nb3 — 3.3% (45 parties)
Ambassadeurs : Baer, Werner (2x), Hatsek, Werner (2x), Hjorth, Jesper (2x), Panero Cabero, Gregorio (1x), Estremera Panos, Sergio (1x), Abaneesh Pal (1x), Chalker, Robert P. (1x), Artuhin, I. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Bxc6 8.O-O 8.Qd3 8.Nb3
<1800 90 21% 48% 10% 4%
1800-2200 396 42% 22% 19% 7%
2200-2600 635 52% 12% 30% 1%
2600+ 12 17% — 83% —
Évolution par décennie (% des parties)
Décennie N parties 8.Bxc6 8.O-O 8.Qd3 8.Nb3
1950s 25 8% 20% — —
1960s 13 23% 46% — —
1970s 8 12% 75% — —
1980s 49 67% 22% — —
1990s 318 71% 19% — 1%
2000s 310 45% 37% 1% 2%
2010s 264 41% 34% 6% 11%
2020s 363 13% 6% 74% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Bxc6 41% 13% ▼ -28.0%
8.O-O 34% 6% ▼ -28.3%
8.Qd3 6% 74% ▲ +68.1%
8.Nb3 11% 2% ▼ -8.8%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
8.Bxc6 — 41.5% (560 parties)
1959 — Eretova, Kveta vs Rubtsova, Olga — 1-0 — Plovdiv BUL
1959 — Eretova, Kveta vs Nedeljkovic, Verica — 1-0 — Plovdiv BUL
1963 — Eretova, Kveta vs Smejkal, Jan — 0-1 — Telnice/Usti
1965 — Bojarinov, Victor A vs ? — 1-0 — ?
1966 — Vaisman, Volodia vs Mititelu, Gheorghe — 1/2-1/2 — Bucharest ROU
8.O-O — 23.4% (316 parties)
1951 — Puc, Stojan vs Stoltz, Gosta — 1/2-1/2 — Dortmund GER
1956 — Kitto, Francis E A vs Kara, Neman — 1-0 — Paignton
1956 — Jezek, Stanislav vs Altschul, Milos — 1/2-1/2 — CSR-ch sf Bratislava SVK
1957 — Gray, Aaron vs Gipslis, Aivars — 0-1 — Reykjavik ISL
1959 — Shewchyk, Yaroslav vs Leonhardt, Wolfgang — 1-0 — Sydney AUS
8.Qd3 — 21.2% (286 parties)
2001 — Leglise, Alain vs Kotov, Yuriy — 1-0 — IECG
2008 — Ivasenko, Andrey vs Zaynutdinov, Iskander — 1-0 — Ilichevsk
2008 — Breuer, Robert vs Faust, Dieter — 1/2-1/2 — ?
2011 — Van Esbroeck, Jeff vs Aarav Maurya — 0-1 — LSS
2017 — Lukasiewicz, Przemyslaw vs Korkus, Marcin — 0-1 — ICCF
8.Nb3 — 3.3% (45 parties)
1992 — Panero Cabero, Gregorio vs Estremera Panos, Sergio — 0-1 — Caldas de Reis
1995 — Artuhin, I. vs Mikouev, Erendzen — 0-1 — Armavir
1998 — Abaneesh Pal vs Chalker, Robert P. — 1/2-1/2 — ?
2000 — Muniz, David B vs Cleto JrKover, DirceuWarner B — 0-1 — CADAP
2000 — Baer, Werner vs Ponciano Manuel — 1-0 — IECG