B62c - 7.Be2 Be7 - Richter-Rauzer (1927)

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B62c —
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Be2 Be7
Eval: [+0.00]
Les coups candidats
8.O-O — 50.6% (285 parties)
Ambassadeurs : Sergeant, Edward (6x), Timmerman, Gert (3x), Chistiakov, Alexander (2x), Estrin, Yakov (2x), Randviir, Y. (2x), Keres, Paul Petrovich (2x), Boleslavsky, Isaac (2x), Kan, Ilya A (2x)
8.Qd2 — 30.0% (169 parties)
Ambassadeurs : Bronstein, David I (2x), Liublinsky, Victor (2x), Boleslavsky, Isaac (2x), Golombek, Harry (2x), Blackstone, John (2x), Zalys, Ignas (2x), Gurgenidze, Bukhuti (2x), Alcazar Jimenez, Jesus Alberto (2x)
8.Qd3 — 6.2% (35 parties)
Ambassadeurs : Vukovic, Zdravko (4x), Barden, Leonard (3x), Rivise, Irving (2x), Tolush, Alexander V (2x), Stanchev, Zachari (1x), Hinkov, Stefan (1x), Bannik, Anatolij (1x), Chekhover, Vitaly (1x)
8.f4 — 4.1% (23 parties)
Ambassadeurs : Martelli, Robert (1x), Rumsch B (1x), Zivkovic, Dragan (1x), Storsanden, Aksel Larsen (1x), Samos Hernandez, Abraham (1x), Elguezabal Varela, Daniel (1x), Siepe Carsten (1x), Naiditsch, Marija (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.O-O 8.Qd2 8.Qd3 8.f4
<1800 24 50% 38% — 4%
1800-2200 183 42% 37% 3% 5%
2200-2600 121 65% 22% 8% 2%
Évolution par décennie (% des parties)
Décennie N parties 8.O-O 8.Qd2 8.Qd3 8.f4
1920s 3 67% — — —
1930s 10 70% 30% — —
1940s 24 62% 29% 8% —
1950s 35 51% 14% 34% —
1960s 24 33% 50% 12% —
1970s 16 56% 25% — 6%
1980s 33 48% 30% 15% 6%
1990s 107 46% 30% 6% 7%
2000s 155 52% 31% 2% 3%
2010s 127 53% 31% 1% 6%
2020s 29 45% 28% 10% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O 53% 45% ▼ -7.9%
8.Qd2 31% 28% ▼ -3.9%
8.Qd3 1% 10% ▲ +9.6%
8.f4 6% 0% ▼ -6.3%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
8.O-O — 50.6% (285 parties)
1927 — Sergeant, Edward vs Buerger, Victor — 1/2-1/2 — Tunbridge Wells
1928 — Balparda, Julio vs Pulcherio, Cauby — 0-1 — Mar del Plata ARG
1930 — Sergeant, Edward vs Winter, William — 1/2-1/2 — Scarborough ENG
1932 — Sergeant, Edward vs Rellstab, Ludwig Sr — 0-1 — Hastings ENG
1933 — Tylor, Theodore Henry vs Mortlock, Alfred — 1-0 — Hastings ENG
8.Qd2 — 30.0% (169 parties)
1933 — Alexander, Conol Hugh vs Mortlock, Alfred — 1-0 — Hastings ENG
1933 — Golombek, Harry vs Price, Hubert E — 1-0 — Hastings ENG
1934 — Golombek, Harry vs Wheatcroft, George — 1-0 — Chester, Town Hall
1942 — Ravinsky, Grigory vs Lisitsin, Georgy — 1-0 — Moscow RUS
1945 — Konstantinopolsky, Alexander vs Boleslavsky, Isaac — 1/2-1/2 — Moskou ch-URS
8.Qd3 — 6.2% (35 parties)
1949 — Stanchev, Zachari vs Hinkov, Stefan — 1/2-1/2 — Sofia BUL
1949 — Bannik, Anatolij vs Chekhover, Vitaly — 1-0 — Vilnius LTU
1950 — Beni, Alfred vs Poulsen, Christian — 1/2-1/2 — Dubrovnik CRO
1950 — Tolush, Alexander V vs Taimanov, Mark — 1-0 — Leningard
1950 — Troianescu, Octav vs Geller, Efim P. — 0-1 — Szcawno Zdroj
8.f4 — 4.1% (23 parties)
1976 — Martelli, Robert vs Rumsch B — 0-1 — Haifa ISR
1986 — Samos Hernandez, Abraham vs Elguezabal Varela, Daniel — 0-1 — Valladolid
1989 — Zivkovic, Dragan vs Storsanden, Aksel Larsen — 1-0 — Belgrade SRB
1990 — Ingram, Alan vs Bondari, C. — 0-1 — Greater Peoria Open
1992 — Schwanda, G. vs Mansor, Tarec — 1-0 — Ladenburg AT