B93f - 6…Qc7 7.Bd3 - Najdorf (1951)

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B93f — Najdorf (1951)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qc7 7.Bd3
Les coups candidats
Ambassadeurs : ? (9x), Sax, Gyula (9x), Polugaevsky, Lev (7x), Kavalek, Lubomir (6x), Cvitan, Ognjen (6x), Formanek, Edward (5x), Honfi, Karoly (5x), Penrose, Jonathan (4x)
7…e5 — 16.2% (208 parties)
Ambassadeurs : Griffiths, Peter C (5x), Sajtar, Jaroslav (4x), Elliott, Henry J (4x), Santolini, Luigi (4x), Adamski, Jan (3x), Moe, Mogens (3x), Baljon, Christofoor (3x), Pilnik, Herman (2x)
7…Nc6 — 11.7% (150 parties)
Ambassadeurs : Paoli, Enrico (5x), Pogats, Jozsef Jr. (3x), Bobotsov, Milko G (3x), Bartha, Sandor (3x), Szapiro, Grzegorz (2x), Baljon, Christofoor (2x), Primavera, Giuseppe (2x), Boll, Peter (2x)
7…e6 — 9.8% (125 parties)
Ambassadeurs : Paoli, Enrico (3x), Garcia Vera, Romeo (2x), Renet, Olivier (2x), Kurihava, M. (2x), Semeniuk, Alexander A (2x), Khavrenko, Vadim (2x), Browne, Walter Shawn (1x), Ardiansyah, Haji (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…g6 7…e5 7…Nc6 7…e6
<1800 25 44% 8% 12% 28%
1800-2200 305 37% 15% 13% 13%
2200-2600 566 49% 15% 10% 8%
2600+ 8 88% — 12% —
Évolution par décennie (% des parties)
Décennie N parties 7…g6 7…e5 7…Nc6 7…e6
1950s 73 19% 38% 18% 12%
1960s 126 37% 18% 13% 10%
1970s 254 44% 16% 6% 4%
1980s 188 52% 18% 12% 4%
1990s 291 39% 15% 14% 15%
2000s 194 52% 10% 14% 10%
2010s 141 45% 12% 13% 16%
2020s 13 54% 15% — 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…g6 45% 54% ▲ +9.2%
7…e5 12% 15% ▲ +3.3%
7…Nc6 13% 0% ▼ -12.8%
7…e6 16% 8% ▼ -7.9%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 6 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Parties historiques
7…g6 — 43.3% (554 parties)
1952 — Boleslavsky, Isaac vs Simagin, Vladimir — 1-0 — Moskou ch-URS
1952 — Burgalat, Francisco J vs Leiva, JC. — 0-1 — Buenos Aires ARG
1952 — Miguel, Nahuel vs Rapaka Samuel Paul — 1-0 — Mex/NY/Salvador
1952 — Reinhardt, Bahamonte vs Leiva, Juan Carlos — 1-0 — Buenos Aires ARG
1952 — Corte, Cesar J vs Leiva, JC. — 1-0 — Buenos Aires ARG
7…e5 — 16.2% (208 parties)
1951 — De Moura, Joao Guilherme vs Gligoric, Svetozar — 0-1 — Bad Pyrmont GER
1951 — Pedersen, Eigil vs Pachman, Ludek — 0-1 — Marianske Lazne zt
1951 — Juarez, Cabral Sheyla Natalia vs Wexler, Eithan — 0-1 — Buenos Aires ch-ARG
1952 — Sigurdsson, Gudjon vs Pilnik, Herman — 0-1 — Helsinki olm
1952 — Pilnik, Herman vs Sajtar, Jaroslav — 1/2-1/2 — Helsinki olm
7…Nc6 — 11.7% (150 parties)
1952 — Prado, Lucas Muller vs Mastichiadis, Fotis — 1-0 — Helsinki olm
1952 — Bisguier, Arthur B vs Abalos, Fredie — 0-1 — Helsinki olm
1953 — Toran, R. vs Fuster, Glenn — 1/2-1/2 — Beverwijk NED
1953 — Pogats, Jozsef Jr. vs Petri, Thomas, Dr. — 1-0 — Budapest HUN
1953 — Paoli, Enrico vs Primavera, Giuseppe — 0-1 — Florence
7…e6 — 9.8% (125 parties)
1951 — De Moura, Joao Guilherme vs Paoli, Enrico — 1-0 — Bad Pyrmont GER
1952 — Abiolla James vs Pollitt, John H — 1-0 — Chester
1952 — Burgalat, Francisco J vs Garcia Vera, Romeo — 0-1 — Rosario ARG
1952 — Baldanello, Mario vs Paoli, Enrico — 0-1 — Ferrara
1952 — Bartis, Gustavo vs Garcia Vera, Romeo — 1/2-1/2 — Buenos Aires ARG