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D80h — Gruenfeld (1938)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7
Les coups candidats
Ambassadeurs : Sauve, Richard (13x), Morgado, Juan Sebastian (7x), Purgar, Ivona (6x), Kolanek, Roman (6x), Helbig, Andreas (5x), Hildebrand, Gerald (5x), Toma, Rudolf (5x), Marcu, Simon (5x)
Ambassadeurs : Knezevic, Milorad (24x), Finegold, Benjamin (19x), Krizsany, Laszlo (13x), Holemar, David (11x), Bakheet Farag (10x), Marzano, Carlo (9x), Ringoir, Tanguy (8x), Jovanic, Ognjen (8x)
5.cxd5 — 11.0% (520 parties)
Ambassadeurs : Porper, Edward (9x), Bodiroga, Predrag (5x), Narciso Dublan, Marc (5x), Golombek, Harry (4x), Gagarin, Vadim (4x), Aleksandrov, Viktor A. (4x), Navara, David (4x), Cheparinov, Ivan (4x)
5.Bd3 — 4.3% (201 parties)
Ambassadeurs : Marek, Herbert (3x), Fokin, Anatoly (2x), De Block, Fabio (2x), Ivanova, Antonia (1x), Abreu Maria Samil (1x), Benton, GL. (1x), White, Henry (1x), Aloni, Itzchak (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Nf3 5.Qb3 5.cxd5 5.Bd3
<1800 579 71% 6% 7% 6%
1800-2200 2032 64% 16% 8% 4%
2200-2600 1080 27% 45% 21% 1%
2600+ 66 11% 33% 50% —
Évolution par décennie (% des parties)
Décennie N parties 5.Nf3 5.Qb3 5.cxd5 5.Bd3
1950s 62 63% 27% 3% 3%
1960s 82 57% 13% 11% 1%
1970s 102 62% 24% 6% 2%
1980s 139 58% 25% 5% 4%
1990s 665 59% 15% 6% 7%
2000s 1284 63% 15% 6% 6%
2010s 2029 50% 24% 16% 3%
2020s 346 51% 20% 19% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Nf3 50% 51% ▲ +1.0%
5.Qb3 24% 20% ▼ -3.7%
5.cxd5 16% 19% ▲ +3.6%
5.Bd3 3% 3% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
5.Nf3 — 55.7% (2625 parties)
1950 — Larsen, Ingrid vs Hermanova, Roza — 1-0 — Moscow RUS
1951 — Nurnberg, F. vs Teschner, Rudolf — 0-1 — Augsburg GER
1951 — Bogoljubow, Efim vs Heinicke, Herbert — 1-0 — Augsburg GER
1951 — Makogonov, Vladimir vs Novotelnov, Nikolai — 1-0 — Baku ch-SU sf
1951 — Sawyer, Joseph vs Zalys, Ignas — 1/2-1/2 — Montreal CAN
5.Qb3 — 19.9% (935 parties)
1950 — O`leary, Christian vs Flood, J A — 0-1 — Belfast IRL
1950 — Gusev, Aleksandr vs Averbakh, Yuri L — 1/2-1/2 — Tula RUS
1952 — Porath, Yosef vs Cortlever, Nicolaas — 1-0 — Helsinki FIN
1952 — Bowen Jeremy vs Yanofsky, Daniel Abraham — 1/2-1/2 — Ilford
1953 — Shamaev, Leonid vs Korchnoi, Viktor — 0-1 — Leningrad RUS
5.cxd5 — 11.0% (520 parties)
1952 — Aerts, Bart vs Zalys, Ignas — 1/2-1/2 — Montreal CAN
1954 — Napolitano, Mario vs Staldi, Cherubino — 1-0 — Trieste
1963 — Golombek, Harry vs Footner, J. K — 1-0 — ENG
1964 — Golombek, Harry vs Littlewood, Norman — 0-1 — Whitby
1964 — Kuettner, Uwe vs Rugiadini, Andrea — 0-1 — Krakow POL
5.Bd3 — 4.3% (201 parties)
1954 — Aloni, Itzchak vs Anay Barche — 1/2-1/2 — Amsterdam NED
1957 — Ivanova, Antonia vs Abreu Maria Samil — 0-1 — Krakow POL
1964 — Benton, GL. vs White, Henry — 0-1 — Oakland
1972 — Taeymans, Jef vs Christensen, Alfred — 0-1 — Pula CRO
1974 — Castellon de Santana, Sara vs Solis, Velazquez Gael — 1/2-1/2 — Medellin COL