D93b - 6…c5 - Gruenfeld (1923)

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D93b — Gruenfeld (1923)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3 c5
Les coups candidats
Ambassadeurs : Kovacs, Arthur Dr. (27x), Bakheet Farag (25x), Sinkovics, Peter (22x), Lukacs, Peter (20x), Grigore, George-Gabriel (20x), Ftacnik, Lubomir (12x), Verich, Oleg (12x), Inkiov, Ventzislav (10x)
7.Be2 — 16.0% (624 parties)
Ambassadeurs : Milev, Zdravko (3x), Beaumont, Chris R (3x), Gauche, Charles (3x), Campomanes, Florencio (2x), Rantanen, Matti (2x), Sherwin, James T (2x), Garcia Martinez, Silvino (2x), Golz, Werner (2x)
7.Qb3 — 4.2% (163 parties)
Ambassadeurs : Soderborg, Berndt (2x), Keil, Alexej (2x), Ang Ang Koch (2x), Pedersen, Erik (2x), Brown, Alan M (2x), Webster, Richard J (2x), Djurasevic, Bozidar (1x), Maderna, Carlos (1x)
7.Rc1 — 4.1% (158 parties)
Ambassadeurs : Giese, Reinhard (2x), Haller, Olaf (2x), Ramseier, Jana S. (2x), Lamblin, Jean (2x), Purevzhav, S (1x), Jimenez Zerquera, Eleazar (1x), Hanken, Jerome B (1x), Santasiere, Anthony (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.dxc5 7.Be2 7.Qb3 7.Rc1
<1800 276 52% 21% 3% 5%
1800-2200 1707 59% 21% 5% 5%
2200-2600 1369 84% 7% 2% 2%
2600+ 33 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7.dxc5 7.Be2 7.Qb3 7.Rc1
1950s 39 28% 26% 26% 8%
1960s 66 45% 30% 5% 8%
1970s 139 75% 11% 2% 8%
1980s 226 75% 12% 5% 1%
1990s 552 60% 17% 6% 7%
2000s 958 65% 16% 5% 4%
2010s 1634 71% 15% 3% 3%
2020s 274 63% 17% 2% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.dxc5 71% 63% ▼ -8.4%
7.Be2 15% 17% ▲ +1.4%
7.Qb3 3% 2% ▼ -0.7%
7.Rc1 3% 5% ▲ +2.8%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 3 parties
Tal, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Kasparov, Garry — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
7.dxc5 — 66.9% (2603 parties)
1950 — Rossetto, Hector vs Gligoric, Sofija — 0-1 — Mar del Plata ARG
1953 — Udovcic, Mijo vs Porreca, Giorgio — 1/2-1/2 — Opatija
1954 — Rossolimo, Nicolas vs Seidman, Herbert — 1/2-1/2 — New York ch-USA
1954 — Aarland, Stein Arild vs Tal, Mikhail — 1/2-1/2 — Riga-ch Riga LAT
1954 — Dunkelblum, Arthur vs Wade, Robert G — 0-1 — Munich GER
7.Be2 — 16.0% (624 parties)
1950 — Koberl, Ferenc vs Monostori, Lajos — 1-0 — Budapest HUN
1950 — Panagopoulos, Takis vs Gligoric, Sofija — 0-1 — Dubrovnik olm
1951 — Molnar, Imre vs Samarian, Sergiu — 1-0 — Bucharest ROU
1952 — Mikula, Ladislav vs Pachman, Ludek — 0-1 — Tatranska Lomnica
1953 — Arnold, Dietmar vs Reichenbach, Werner — 0-1 — Brandenburg/Havel
7.Qb3 — 4.2% (163 parties)
1952 — Balcarek, Wiktor vs Partyka, Kazimierz — 1-0 — Zakopane POL
1955 — Maderna, Carlos vs Laurencena, Jorge Horacio — 1-0 — Argentina
1955 — Keil, Heinrich vs Bhaskar Jyoti Koch — 0-1 — corr ch5-FRG
1956 — Afizov, Marsel vs Holas, Josef — 1-0 — Podebrady CZE
1958 — Djurasevic, Bozidar vs Soderborg, Berndt — 1-0 — Varna BUL
7.Rc1 — 4.1% (158 parties)
1954 — Maderna, Carlos vs Lipiniks, Leonardo — 1-0 — Buenos Aires ARG
1956 — Tilstra, Arjen vs Bergsma, Alois — 1-0 — ?
1957 — Hanken, Jerome B vs Santasiere, Anthony — 0-1 — Cleveland, OH USA
1960 — Zamkovskaya, Violetta Aleks vs Zurakhov, Vladlen Y — 1/2-1/2 — Kiev UKR
1961 — Kraidman, Yair vs Persitz, Raaphi — 1-0 — Netanya ISR