D97c - 7…c6 - Russian Variation, Szabo Variation (1939)

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D97c — Russian Variation, Szabo Variation (1939)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 c6
Les coups candidats
Ambassadeurs : Tryggestad, Andreas Garberg (7x), Forintos, Gyozo V (5x), Klein, Manfred (5x), Konig, Paul (5x), Hort, Vlastimil (4x), Mikhalevski, Victor (4x), Suetin, Alexey S (3x), Uhlmann, Wolfgang (3x)
8.Qb3 — 24.0% (243 parties)
Ambassadeurs : Flohr, Salo (3x), Dunn, Michael G (3x), Boleslavsky, Isaac (2x), Adamski, Jan (2x), Sosonko, Gennadi (2x), Ree, Hans (2x), Finkel, Alexander (2x), Ekenlov, Lars (2x)
8.e5 — 3.7% (38 parties)
Ambassadeurs : Meher Wade (1x), Persitz, Raaphi (1x), Victor, Gary (1x), Omuku, Emmanuel (1x), Legky, Nikolay A (1x), Gluckman, David (1x), Seget, Milan (1x), Miskei, Ferdinand (1x)
8.h3 — 3.6% (37 parties)
Ambassadeurs : Littlewood, Norman (1x), Zinser, Sylvain (1x), Koblencs, Alexander (1x), Blagidze, Alexander (1x), Berczy, Robert (1x), Koberl, Ferenc (1x), Kaposztas, Miklos (1x), Michenka, Jozef (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Be2 8.Qb3 8.e5 8.h3
<1800 57 56% 16% 5% 2%
1800-2200 469 62% 20% 4% 4%
2200-2600 265 62% 27% 4% 4%
2600+ 11 73% 27% — —
Évolution par décennie (% des parties)
Décennie N parties 8.Be2 8.Qb3 8.e5 8.h3
1950s 27 67% 30% — 4%
1960s 65 78% 15% 2% 3%
1970s 28 46% 54% — —
1980s 32 44% 34% 3% 3%
1990s 170 44% 44% 5% 3%
2000s 254 55% 28% 4% 3%
2010s 356 69% 13% 4% 4%
2020s 82 79% 10% 4% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Be2 69% 79% ▲ +10.2%
8.Qb3 13% 10% ▼ -3.4%
8.e5 4% 4% ▼ -0.6%
8.h3 4% 6% ▲ +1.9%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Parties historiques
8.Be2 — 61.2% (621 parties)
1950 — Hantke, Rolf vs Von Baudissin, Georg Graf — 1-0 — Bielefeld
1951 — Amaro, Lucas Ibrair vs Benko, Francisco — 0-1 — Buenos Aires ARG
1952 — Arlamowski, Edward vs Partyka, Kazimierz — 1-0 — Miedzyzdroje
1952 — Ciejka, Tadeusz vs Witkowski, Stefan — 1-0 — Katowice POL
1953 — Zalys, Ignas vs Therien, Jules — 1-0 — Montreal CAN
8.Qb3 — 24.0% (243 parties)
1950 — Flohr, Salo vs Stahlberg, Gideon — 1/2-1/2 — Budapest HUN
1950 — Flohr, Salo vs Boleslavsky, Isaac — 0-1 — Budapest HUN
1950 — Flohr, Salo vs Boleslavsky, Isaac — 0-1 — Budapest HUN
1952 — Pinzon Solis, Felipe vs Cuellar, Mario Exequiel — 0-1 — Mar del Plata ARG
1953 — Boey, Josef vs Dunkelblum, Arthur — 1/2-1/2 — Antwerp BEL
8.e5 — 3.7% (38 parties)
1962 — Meher Wade vs Persitz, Raaphi — 1/2-1/2 — Dublin IRL
1988 — Victor, Gary vs Omuku, Emmanuel — 1-0 — ?
1992 — Legky, Nikolay A vs Gluckman, David — 1/2-1/2 — Cannes FRA
1993 — Boeller, Georg vs Frantzke, Helmut — 1-0 — Schwaebisch Gmuend
1996 — Gaspar, Lucien vs Mallahi, Amir — 1/2-1/2 — Erevan ARM
8.h3 — 3.6% (37 parties)
1950 — Berczy, Robert vs Koberl, Ferenc — 0-1 — Budapest HUN
1961 — Koblencs, Alexander vs Blagidze, Alexander — 1-0 — Palanga
1966 — Littlewood, Norman vs Zinser, Sylvain — 1/2-1/2 — Havana CUB
1981 — Kaposztas, Miklos vs Michenka, Jozef — 1/2-1/2 — Karvina
1996 — Szymanski, Marcin vs Kolendo, Mateusz — 1/2-1/2 — Augustow