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D20j — QGA (1903)
1.d4 d5 2.c4 dxc4 3.Nc3 e6
Les coups candidats
Ambassadeurs : Storslett, Roald (5x), Petidis, Kostas (4x), Kantyshev, Nikita (4x), Jurcik, Martin (4x), Friessem, Felix (3x), Tiitta, Sauli (3x), Linart, Ludvik (3x), Urban, Vlastimil (3x)
4.e3 — 28.9% (415 parties)
Ambassadeurs : Krizsany, Laszlo (3x), Schneider, Miloca (3x), Radulov, Ivan (3x), Panno, Oscar (2x), Player, Edmund C (2x), Sunye Neto, Jaime (2x), Stoniene, Brigita (2x), Nguyen, Truong Bao Tran (2x)
4.Nf3 — 13.1% (188 parties)
Ambassadeurs : Beuschel, Uwe (2x), Vasquez Ramirez, Rocio (2x), Jakab, Robert (2x), Heemskerk, Fenny (1x), Stadler, Tereza (1x), Matias, Irineo C (1x), Leonard, Thomas (1x), Daamen, Ferry (1x)
4.Bf4 — 2.2% (31 parties)
Ambassadeurs : Lawless, Kerry (1x), Kollerer, Chris (1x), Wollenberg, Ken (1x), Goncharoff, Nik (1x), Santiago, Bertault (1x), Uria Ines (1x), Berkemer, Rainer, Dr. (1x), Ludwig, Lothar (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.e4 4.e3 4.Nf3 4.Bf4
<1800 195 48% 34% 17% 1%
1800-2200 428 50% 32% 13% 2%
2200-2600 201 66% 26% 6% —
2600+ 16 62% 31% — —
Évolution par décennie (% des parties)
Décennie N parties 4.e4 4.e3 4.Nf3 4.Bf4
1950s 4 75% 25% — —
1960s 11 45% 18% 9% 18%
1970s 11 64% 27% 9% —
1980s 32 38% 38% 22% 3%
1990s 279 53% 25% 15% 3%
2000s 560 53% 28% 15% 2%
2010s 410 48% 34% 12% 2%
2020s 129 64% 27% 4% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.e4 48% 64% ▲ +16.0%
4.e3 34% 27% ▼ -6.5%
4.Nf3 12% 4% ▼ -8.3%
4.Bf4 2% 2% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 1 partie
Parties historiques
4.e4 — 52.6% (756 parties)
1956 — Shamkovich, Leonid vs Zamkovskaya, Violetta Aleks — 1/2-1/2 — Kharkov UKR
1957 — Hartleb, Glenn E vs Zillius, S. — 1-0 — Cleveland, OH USA
1957 — Botez, Constantin vs Tseveloidoff — 1-0 — Reykjavik ISL
1962 — Sliwa, Bogdan vs Drozd, Ryszard — 1-0 — Poznan ch POL
1963 — Nikolaevsky, Yuri V vs Zamkovskaya, Violetta Aleks — 1-0 — Kiev UKR
4.e3 — 28.9% (415 parties)
1955 — Sandor, Bela vs Gracs, Pal — 1/2-1/2 — Hungary ch
1965 — Zavodny, Zdenek vs Kalendovsky, Jan — 1/2-1/2 — Brno CZE
1966 — Hughes, Gareth vs Haseldine, S. — 1-0 — BCF-ch U16 Sunderland
1970 — Brann, Franz vs Berry, Jonathan — 0-1 — Nanaimo CAN
1972 — Fowell, Richard vs LeMirande, G. — 1-0 — ?
4.Nf3 — 13.1% (188 parties)
1965 — Heemskerk, Fenny vs Stadler, Tereza — 1/2-1/2 — Belgrade SRB
1971 — Peev, Peicho vs Basman, Michael J — 0-1 — Varna BUL
1980 — Daamen, Ferry vs Martens, Wim — 1-0 — Valkenswaard
1982 — Matias, Irineo C vs Leonard, Thomas — 1/2-1/2 — ?
1985 — Mauri, Agostino vs Marquinez, Francisco — 0-1 — cr.
4.Bf4 — 2.2% (31 parties)
1969 — Lawless, Kerry vs Kollerer, Chris — 1-0 — ?
1969 — Wollenberg, Ken vs Goncharoff, Nik — 0-1 — ?
1988 — Santiago, Bertault vs Uria Ines — 1-0 — ?
1992 — Bruhn, Helmut vs Klostermann, Eduard — 1/2-1/2 — Karlsruhe
1992 — Leaman, P. vs Ruderman, Mikhail — 0-1 — Detroit ch-MI opB