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

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D97c — Russian Szabo Variation
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 : Luckis, Marcos (8x), Tryggestad, Andreas Garberg (7x), Klein, Manfred (5x), Flohr, Salo (4x), Forintos, Gyozo V (4x), Hort, Vlastimil (4x), Farago, Ivan (4x), Mikhalevski, Victor (4x)
8.Qb3 — 24.1% (255 parties)
Ambassadeurs : Stahlberg, Gideon (4x), Flohr, Salo (4x), Gyimesi, Zoltan (4x), Bronstein, David I (3x), Boleslavsky, Isaac (3x), Dunn, Michael G (3x), Lilienthal, Andor (2x), Sosonko, Gennadi (2x)
8.h3 — 3.9% (41 parties)
Ambassadeurs : Wertheim, Johan Hendrik (1x), Fontein, George (1x), Junge, Kai (1x), Heinicke, Gisbert (1x), Szily, Jozsef (1x), Smyslov, Vladimir (1x), Nielsen, Julius (1x), Poulsen, Christian (1x)
8.e5 — 3.4% (36 parties)
Ambassadeurs : Wade, Robert G (1x), Persitz, Raaphi (1x), Victor, Gary (1x), Omuku, Emmanuel (1x), Schreiber Pitot, Beryl (1x), Steinhorst, Ruediger (1x), Tuncer, Ufuk (1x), Voigt, Ulrich (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Be2 8.Qb3 8.h3 8.e5
<1800 29 69% 10% 3% 7%
1800-2200 412 62% 21% 4% 4%
2200-2600 286 62% 26% 3% 4%
2600+ 14 50% 36% 7% —
Évolution par décennie (% des parties)
Décennie N parties 8.Be2 8.Qb3 8.h3 8.e5
1930s 13 69% 15% 15% —
1940s 51 75% 20% 4% —
1950s 28 64% 32% 4% —
1960s 62 77% 16% 3% 2%
1970s 27 48% 52% — —
1980s 32 44% 38% 3% 3%
1990s 168 43% 44% 3% 5%
2000s 254 55% 28% 3% 4%
2010s 354 69% 13% 4% 4%
2020s 68 81% 10% 7% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Be2 69% 81% ▲ +12.0%
8.Qb3 13% 10% ▼ -3.0%
8.h3 4% 7% ▲ +3.1%
8.e5 4% 1% ▼ -2.8%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 2 parties
Parties historiques
8.Be2 — 61.6% (651 parties)
1936 — Van den Bosch, Johannes vs Prins, Lodewijk — 1/2-1/2 — Zandvoort II
1937 — Fine, Reuben vs Jonsson, Erik — 1-0 — Goteborg SWE
1937 — Landau, Salo vs Rellstab, Ludwig — 1-0 — Kemeri LAT
1939 — Luckis, Marcos vs Calleja Sierra, Jesus — 1-0 — Buenos Aires ol pr-C
1939 — Feigin, M. vs Szabo, Ladislav — 1-0 — Kemeri / Riga
8.Qb3 — 24.1% (255 parties)
1937 — Lie Niels vs Christensen, Alfred — 0-1 — Aalborg DEN
1938 — Landau, Salo vs List, Paul — 1-0 — Hastings ENG
1944 — Guimard, Carlos E vs Iliesco, Juan — 1/2-1/2 — Mar del Plata ARG
1944 — Fine, Reuben vs Isaacs, Lewis Jl — 1-0 — New York, NY USA
1947 — Bronstein, David I vs Lilienthal, Andor — 1/2-1/2 — Parnu EST
8.h3 — 3.9% (41 parties)
1930 — Wertheim, Johan Hendrik vs Fontein, George — 1/2-1/2 — Amsterdam NED
1939 — Nielsen, Julius vs Poulsen, Christian — 0-1 — Naestved DEN
1941 — Junge, Kai vs Heinicke, Gisbert — 1-0 — Hamburg GER
1949 — Szily, Jozsef vs Smyslov, Vladimir — 1/2-1/2 — Budapest HUN
1950 — Berczy, Robert vs Koberl, Ferenc — 0-1 — Budapest HUN
8.e5 — 3.4% (36 parties)
1962 — Wade, Robert G vs Persitz, Raaphi — 1/2-1/2 — Dublin IRL
1988 — Victor, Gary vs Omuku, Emmanuel — 1-0 — Thessaloniki GRE
1992 — Legky, Nikolay A vs Gluckman, David — 1/2-1/2 — Cannes FRA
1993 — Boeller Georg vs Frantzke, Helmut — 1-0 — Schwaebisch Gmuend
1996 — Tuncer, Ufuk vs Voigt, Ulrich — 0-1 — Schoeneck