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B21d — Grand Prix (1951)
1.e4 c5 2.f4 e6 3.Nf3
Les coups candidats
3…d5 — 41.5% (1437 parties)
Ambassadeurs : Krol, Wladyslaw (19x), Kadonas, Kestutis (14x), Westerinen, Heikki M.J. (11x), Hodgson, Julian M (11x), Sveshnikov, Evgeny (10x), Pintor, Manuel Abranches (10x), Kaczmarek, Robert (8x), Hebden, Mark L (4x)
Ambassadeurs : Hebden, Mark L (13x), Kadonas, Kestutis (9x), Sikora-Lerch, Jan (7x), Zinn, Lothar (5x), Krol, Wladyslaw (5x), Krantz, Kjell (4x), Pakosta, Stanislav (4x), Vakhania, Aleksandra (4x)
3…a6 — 8.9% (307 parties)
Ambassadeurs : Tisdall, Jonathan D (4x), Zeidler, Sven P. (3x), Watson, William Nicholas (2x), Hebden, Mark L (2x), Poloch, Petr (2x), Hodgson, Julian M (2x), Pribyl, Josef (2x), Hartoch, Robert G (2x)
3…Nf6 — 4.6% (158 parties)
Ambassadeurs : Hebden, Mark L (2x), Schneider, Veronika (2x), Kiselev, Sergey. (2x), Ulybin, Mikhail (2x), Hacker, Scott (2x), Franco, Sigifredo (1x), Noerby, PH. (1x), Behrensen, Jorge (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…d5 3…Nc6 3…a6 3…Nf6
<1800 393 37% 39% 9% 4%
1800-2200 1531 41% 37% 9% 5%
2200-2600 667 47% 33% 13% 3%
2600+ 3 100%
Évolution par décennie (% des parties)
Décennie N parties 3…d5 3…Nc6 3…a6 3…Nf6
1950s 5 60% 40%
1960s 61 57% 30% 3% 5%
1970s 136 48% 40% 6% 4%
1980s 315 43% 38% 9% 3%
1990s 739 41% 36% 8% 5%
2000s 1169 41% 34% 10% 5%
2010s 886 37% 39% 10% 5%
2020s 154 52% 32% 6% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…d5 37% 52% ▲ +14.7%
3…Nc6 39% 32% ▼ -7.6%
3…a6 10% 6% ▼ -4.2%
3…Nf6 5% 4% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 3 parties
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Parties historiques
3…d5 — 41.5% (1437 parties)
1951 — Canepa, Jose vs Eliskases, Erich — 0-1 — San Rafael
1957 — Correa, Hilton vs Wade, Robert G — 0-1 — Plymouth
1958 — Mieses, Angel Domingo vs Tal, Mikhail — 0-1 — Latvia
1961 — Botvinnik, Mikhail vs Furman, Semyon — 1/2-1/2 — Moscow RUS
1961 — Keogh, Eamon vs Phillips, James Rodney — 1/2-1/2 — The Hague NED
3…Nc6 — 36.4% (1260 parties)
1951 — Zamora Lima, Hazael vs Letelier Martner, Rene — 0-1 — ?
1951 — Moura, Jairo De Souza vs Tramoyeres, P. — 0-1 — Madrid ESP
1960 — Brunet, Phil vs Zalys, Ignas — 1/2-1/2 — St Agathe Quebec op
1962 — Gordon Noel Pires vs Whittemore — 1-0 — So California
1963 — Rinder, Elfriede vs Keller-Hermann, Edith — 0-1 — Split CRO
3…a6 — 8.9% (307 parties)
1961 — Markwell, Peter G vs Guy, Thomas — 0-1 — Aberystwyth
1967 — Pronina, Larissa vs Lukina, Yulia — 1/2-1/2 — Moscow RUS
1970 — Sigurjonsson, Gudmundur vs Camara, Helder — 1/2-1/2 — Siegen olm
1971 — Kupka, Slavoj vs Lechtynsky, Jiri — 1/2-1/2 — Luhacovice CZE
1972 — Hase, Juan Carlos vs Juarez, Carlos Eleodoro — 1-0 — Buenos Aires ch-ARG
3…Nf6 — 4.6% (158 parties)
1964 — Behrensen, Jorge vs De Las Heras, Juan Carlos — 1/2-1/2 — Buenos Aires ARG
1967 — Black, Ross vs Lamb, Philip — 0-1 — Atlanta
1968 — Franco, Sigifredo vs Noerby, PH. — 0-1 — Copenhagen ch-DEN
1971 — Gatt, Anthony vs Bellon Lopez, Juan Manuel — 0-1 — Groningen NED
1972 — Magdalena, Juan Carlo vs Ponelis, Albert A. — 0-1 — Graz AUT