D96g - 6.cxd5 Nxd5 - Gruenfeld: Russian (1939)

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D96g — Gruenfeld: Russian (1939)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 c6 6.cxd5 Nxd5
Les coups candidats
7.e4 — 86.1% (223 parties)
Ambassadeurs : Rapaka Samuel Paul (2x), Zalys, Ignas (2x), Steinmeyer, Robert (2x), Petran, Pal (2x), Olf, Hans-Helmut (2x), Bossi, Noemi (2x), Artemiev, Vladislav (2x), Mihajlov, Sebastian (2x)
7.Nxd5 — 6.6% (17 parties)
Ambassadeurs : De Oliveira Fernande, William (1x), Gondim, Jose Adail (1x), Debrota, Steve (1x), Panzel, Kenneth (1x), Elkouss, Isaac (1x), Geloso, Claudio (1x), Giannoutsos, Panagiotis (1x), Korres, Georg. (1x)
7.Bg5 — 4.2% (11 parties)
Ambassadeurs : Lutz, Christopher (1x), Neidhardt, Claus, Dr. (1x), Renner, Christoph (1x), Klebel, Martin, Dr. (1x), Dejkalo, Stefan (1x), Sygulski, Artur (1x), Paranjpe, Pradeep (1x), Mont-Reynaud, Jordy (1x)
7.e3 — 2.3% (6 parties)
Ambassadeurs : Ridolfi, Raffaele (1x), Colantonio, Mauro (1x), Sciarretta, Dominic (1x), Gabriel, Robert (1x), Baldellou Vicente, Roberto (1x), Peirona, Juan Jose (1x), Burgos Garbin, Francesc (1x), Vigo Allepuz, David (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.e4 7.Nxd5 7.Bg5 7.e3
<1800 18 89% 11% — —
1800-2200 115 88% 4% 3% 3%
2200-2600 71 87% 4% 7% 1%
2600+ 5 80% — 20% —
Évolution par décennie (% des parties)
Décennie N parties 7.e4 7.Nxd5 7.Bg5 7.e3
1950s 11 91% 9% — —
1960s 4 100% — — —
1970s 2 100% — — —
1980s 10 50% 10% 30% —
1990s 55 76% 13% 4% 5%
2000s 63 87% 5% 6% 2%
2010s 83 90% 5% 2% 2%
2020s 31 97% 3% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.e4 90% 97% ▲ +6.4%
7.Nxd5 5% 3% ▼ -1.6%
7.Bg5 2% 0% ▼ -2.4%
7.e3 2% 0% ▼ -2.4%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
7.e4 — 86.1% (223 parties)
1950 — Hayes, Richard Thomas vs Zalys, Ignas — 0-1 — cr Golden Knights
1952 — Rapaka Samuel Paul vs Quesada, Americo — 1-0 — Havana CUB
1952 — Rapaka Samuel Paul vs Chappuis, G — 1-0 — Salt Lake City simul
1953 — Akankwasa Collins vs Viaud, Anthony — 1-0 — cr.
1954 — Steinmeyer, Robert vs Wills, Aimee — 1-0 — New Orleans, LA USA
7.Nxd5 — 6.6% (17 parties)
1951 — De Oliveira Fernande, William vs Gondim, Jose Adail — 1/2-1/2 — Fortaleza BRA
1982 — Debrota, Steve vs Panzel, Kenneth — 1/2-1/2 — Columbus, OH USA
1990 — Tipary, Lajos vs Flohr, Salomon — 1/2-1/2 — Budapest HUN
1992 — Palacios, Bobby vs Teodoro, Eduardo — 0-1 — Toronto CAN
1992 — Zilberman, Yaacov vs Chandler, Murray G — 0-1 — Londen open
7.Bg5 — 4.2% (11 parties)
1986 — Lutz, Christopher vs Neidhardt, Claus, Dr. — 1/2-1/2 — GER ch b20 Neunkirchen
1987 — Dejkalo, Stefan vs Sygulski, Artur — 0-1 — Poland
1988 — Renner, Christoph vs Klebel, Martin, Dr. — 1-0 — Bayern-ch
1992 — Paranjpe, Pradeep vs Mont-Reynaud, Jordy — 1-0 — California
1998 — Kosiorek, Marek vs Kolendo, Mateusz — 1-0 — POL-ch sf Czestochowa
7.e3 — 2.3% (6 parties)
1996 — Sciarretta, Dominic vs Gabriel, Robert — 1/2-1/2 — corr IECC CL2-1996
1997 — Ridolfi, Raffaele vs Colantonio, Mauro — 1-0 — Cecchina
1998 — Baldellou Vicente, Roberto vs Peirona, Juan Jose — 1-0 — San Jose
2001 — Burgos Garbin, Francesc vs Vigo Allepuz, David — 1/2-1/2 — ?
2010 — Toth, Christian Endre vs Santiago, Yago De Moura — 1-0 — Rio de Janeiro BRA