B21c — Grand Prix
1.e4 c5 2.f4 d6
Eval: [-0.15]
Les coups candidats
3.Nf3 — 78.1% (2367 parties)
Ambassadeurs : Kadonas, Kestutis (10x), Vann, Monica S (9x), Roos, Karin (8x), Wall, Bill (8x), Dias, Joao Batista de Sou (7x), de Wall, Robert (6x), Montoro, Gustavo E. (6x), Sveshnikov, Evgeny (6x)
Ambassadeurs : Vlassov, Nikolai (3x), Ventimiglia, Chuck (3x), Klavcic, Klemen (3x), Odonnell, Kieran C (3x), Khan, Shams (3x), Klotz, Sonja (2x), Gorce Payet, Noa (2x), Jordaan, Wayne (2x)
3.Bc4 — 4.2% (127 parties)
Ambassadeurs : Horn, Pascal (2x), Hegedus, Matyas (2x), Poteas, Ioannis (2x), Krol, Wladyslaw (2x), Smith, MJ. (1x), Poole, PH. (1x), Winter Nilsson, Jamie (1x), Holzlein, C. (1x)
3.Bb5+ — 3.4% (103 parties)
Ambassadeurs : Vann, Monica S (3x), Banasova, Katarina (3x), Hentzschel, Erhard (2x), Winter, Irene (1x), Heintze, Marion (1x), Engels, Ludwig (1x), Rabar, Braslav (1x), Wall, George (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.Nf3 3.Nc3 3.Bc4 3.Bb5+
<1800 265 75% 9% 4% 4%
1800-2200 1105 80% 9% 4% 3%
2200-2600 298 82% 11% 1% 3%
2600+ 1 100%
Évolution par décennie (% des parties)
Décennie N parties 3.Nf3 3.Nc3 3.Bc4 3.Bb5+
1890s 1 100%
1920s 1 100%
1930s 1 100%
1940s 3 67%
1950s 28 79% 7% 4% 4%
1960s 34 76% 9% 6% 3%
1970s 84 79% 11% 2% 4%
1980s 145 77% 5% 3% 6%
1990s 773 79% 10% 4% 3%
2000s 1093 78% 9% 4% 4%
2010s 779 78% 9% 4% 3%
2020s 88 80% 10% 2% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.Nf3 78% 80% ▲ +1.6%
3.Nc3 9% 10% ▲ +1.2%
3.Bc4 4% 2% ▼ -2.2%
3.Bb5+ 3% 2% ▼ -1.1%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 1 partie
Parties historiques
3.Nf3 — 78.1% (2367 parties)
1898 — Taylor, Thomas vs Champion, Charles — 0-1 — Toronto CAN
1921 — Reshevsky, Samuel vs Michelsen, Einar — 1-0 — New York, NY USA
1933 — Petrovic, Vojislav vs Kozlovacki Milan — 1-0 — Belgrade SRB
1945 — Neatby L vs Holowach, Walter — 0-1 — Canada ch
1949 — Fletzer, Gino vs Barcza, Gedeon — 0-1 — Venice ITA
3.Nc3 — 9.1% (277 parties)
1957 — Haugaard Nielsen, Johannes vs Flammiger, H. — 1-0 — EU-FSM/3 corr
1959 — Lazarevic, Aleksandar vs Wolpert, Linus — 1-0 — Kiev UKR
1964 — Kueluer, Coskun vs Camarena, Joaquin — 1-0 — Tel Aviv ISR
1965 — Medina-Garcia, Antonio vs Garcia Orus, Francisco — 1/2-1/2 — Palma de Majorca ESP
1968 — Zinn, Lothar vs Garcia Martinez, Salomon — 1-0 — Havana CUB
3.Bc4 — 4.2% (127 parties)
1959 — Piazzini, Luis vs Puiggros, Guillermo — 1/2-1/2 — Quilmes
1963 — Smith, MJ. vs Poole, PH. — 1-0 — Bath ENG
1968 — Winter Nilsson, Jamie vs Holzlein, C. — 1-0 — Zinnowitz zt women
1974 — Sikes, Haskell vs de Wall, Robert — 1/2-1/2 — U Tapao, Thailand
1977 — Papandreou, Nikolaos vs Zahilas, Loukas N. — 0-1 — ?
3.Bb5+ — 3.4% (103 parties)
1952 — Engels, Ludwig vs Rabar, Braslav — 1/2-1/2 — Rio de Janeiro BRA
1969 — Winter, Irene vs Heintze, Marion — 1-0 — Schwerin GER
1970 — Midjord, Joan Paetur vs Palmer, Bernard — 1-0 — Siegen GER
1973 — Wall, George vs Wheeler, Jerry — 1-0 — Music City op
1977 — Goncharoff, Nik vs Kornfeld, A. — 1/2-1/2 — ?