D26q - 6…cxd4 - Classical Defense, Steinitz Variation, Exchange Variation (1937)

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D26q — Classical Defense, Steinitz Variation, Exchange Variation (1937)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O cxd4
Les coups candidats
7.exd4 — 82.3% (511 parties)
Ambassadeurs : Shanava, Konstantine (8x), Flohr, Salo (7x), Khismatullin, Denis (7x), Vallejo Pons, Francisco (6x), Flesch, János (4x), Aannevik, Bjarne (4x), Semenova, El1 (4x), Hermann, Manfred (3x)
7.Nxd4 — 14.7% (91 parties)
Ambassadeurs : Vladimirov, Boris T (2x), Kurkijarvi, Mikko (2x), Dittmann, Sieghart (1x), Franz, Joachim (1x), Moiseev, Oleg (1x), Flohr, Salo (1x), Vom Steinbach, C. (1x), Hoffmann, Ben (1x)
7.Qxd4 — 2.7% (17 parties)
Ambassadeurs : Bak, Istvan (1x), Flesch, János (1x), Rodriguez, Jean-Pierre (1x), Dujardin, Franck (1x), Casas Saez, Pedro (1x), Sarabia Utrilla, Joaquin (1x), Semcesen, Daniel (1x), Rasmussen, Jens A (1x)
7.Bb5+ — 0.2% (1 parties)
Ambassadeurs : Kaminsky, Rudolf (1x), Fuchs, Stefan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.exd4 7.Nxd4 7.Qxd4 7.Bb5+
<1800 55 71% 25% 4% —
1800-2200 204 87% 12% 1% 0%
2200-2600 251 85% 11% 4% —
2600+ 23 78% 17% 4% —
Évolution par décennie (% des parties)
Décennie N parties 7.exd4 7.Nxd4 7.Qxd4 7.Bb5+
1950s 16 88% 12% — —
1960s 4 100% — — —
1970s 13 85% 8% 8% —
1980s 20 100% — — —
1990s 58 79% 19% — 2%
2000s 154 77% 19% 4% —
2010s 208 85% 12% 3% —
2020s 148 82% 15% 3% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.exd4 85% 82% ▼ -3.3%
7.Nxd4 12% 15% ▲ +2.8%
7.Qxd4 3% 3% -0.2%
7.Bb5+ 0% 0% +0.0%
Parties historiques
7.exd4 — 82.3% (511 parties)
1950 — Szabo, Laszlo vs Füster, Géza — 1-0 — Budapest HUN
1952 — Nielsen, Julius vs Haahr, Thorkild — 1/2-1/2 — Herning
1952 — Lilienthal, Andre vs Flohr, Salomon — 1/2-1/2 — Moscow RUS
1952 — Lutikov, Anatoly S vs Flohr, Salo — 1/2-1/2 — Minsk BLR
1953 — Bronstein, David I vs Flohr, Salo — 1/2-1/2 — Moscow-ch Moscow RUS
7.Nxd4 — 14.7% (91 parties)
1951 — Moiseev, Oleg vs Flohr, Salo — 0-1 — Moskou ch-URS
1955 — Dittmann, Sieghart vs Franz, Joachim — 1-0 — Zwickau
1975 — Vom Steinbach, C. vs Hoffmann, Ben — 1/2-1/2 — cr.
1992 — Vladimirov, Boris T vs Kliuner, V — 1/2-1/2 — St.Petersburg2
1992 — Vladimirov, Boris T vs Klueners, Juergen — 1/2-1/2 — St Petersburg RUS
7.Qxd4 — 2.7% (17 parties)
1975 — Bak, Istvan vs Flesch, János — 1/2-1/2 — HUN
2004 — Rodriguez, Jean-Pierre vs Dujardin, Franck — 1/2-1/2 — Lyons
2007 — Casas Saez, Pedro vs Sarabia Utrilla, Joaquin — 0-1 — ICCF
2008 — Semcesen, Daniel vs Rasmussen, Jens A — 1/2-1/2 — Ballerup DEN
2008 — Neumann, Frank vs Duali, Vivie Matelda — 1-0 — ICCF
7.Bb5+ — 0.2% (1 parties)
1997 — Kaminsky, Rudolf vs Fuchs, Stefan — 0-1 — Brno CZE