B94d - 6…Nbd7 - Najdorf (1942)

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B94d — Najdorf (1942)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7
Les coups candidats
Ambassadeurs : Agathiyan Susil (47x), Langer, Raimund (26x), Lovakovic, Franjo (20x), Salzmann, Stefan (18x), Tal, Mikhail (17x), Ortiz Suarez, Isan Reynaldo (17x), Bogdanovic, Rajko (16x), Mercader Martínez, Juan Gustavo (14x)
Ambassadeurs : Wiesinger, Johann (33x), Tylecek, Drahomir (22x), Milde, Lars (20x), Packroff, Hermann (19x), Agathiyan Susil (19x), Böhnke, Hartmut (15x), Cukrowski, Filip (11x), Lovakovic, Franjo (11x)
7.Qe2 — 20.4% (2566 parties)
Ambassadeurs : Agathiyan Susil (33x), Gerhards, Guntis (26x), Salzmann, Stefan (25x), Chylik, Rudolf (24x), Senzacqua, Fabrizio (17x), Milde, Lars (16x), Avotins, Maigonis (15x), Soumya, Swaminathan (14x)
7.Qd2 — 4.1% (517 parties)
Ambassadeurs : Jovanovic, Bratislav M (4x), Mareco, Sandro (3x), Simoncic, Ladislav (3x), Hacik, Radomir (3x), Fischer, Johann (2x), Petrosian, Tigran A. (2x), Alvarez del Prado, Enol (2x), Pedersen, Eigil (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Bc4 7.f4 7.Qe2 7.Qd2
<1800 745 28% 40% 13% 5%
1800-2200 4986 30% 38% 18% 5%
2200-2600 5435 36% 26% 27% 3%
2600+ 250 38% 16% 36% 1%
Évolution par décennie (% des parties)
Décennie N parties 7.Bc4 7.f4 7.Qe2 7.Qd2
1950s 167 53% 10% — 9%
1960s 377 69% 17% 1% 5%
1970s 237 59% 25% 3% 4%
1980s 150 49% 38% 1% 5%
1990s 371 32% 40% 1% 8%
2000s 816 26% 52% 0% 9%
2010s 7523 31% 33% 23% 4%
2020s 2911 39% 22% 27% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Bc4 31% 39% ▲ +8.7%
7.f4 33% 22% ▼ -11.8%
7.Qe2 23% 27% ▲ +3.9%
7.Qd2 4% 3% ▼ -1.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Gukesh D — 3 parties
Hou, Yifan — 2 parties
Smyslov, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Ju, Wenjun — 1 partie
Carlsen, Magnus — 1 partie
Ding, Liren — 1 partie
Parties historiques
7.Bc4 — 34.5% (4334 parties)
1953 — Abramov, Roman vs Kogan, Aleksander — 1-0 — USSR
1953 — Strekalovski, Viktor vs Byvshev, Vasily — 1-0 — Leningrad RUS
1954 — Usov, Alexey B. vs Aronson, Lev — 1-0 — URS-ch sf Leningrad RUS
1954 — Byeshev, Vasily vs Rovner, Dmitry — 1-0 — Leningrad RUS
1954 — Byvshev, Vasily vs Alexander Tadala — 0-1 — Leningrad RUS
7.f4 — 31.2% (3914 parties)
1954 — Barden, Leonard vs Sajtar, Jaroslav — 1/2-1/2 — Amsterdam NED
1954 — Joppen, Ernst vs Djurasevic, Bozidar — 0-1 — Belgrade SRB
1954 — Joppen, Erich vs Rabar, Braslav — 1-0 — Amsterdam NED
1956 — Tolush, Alexander vs Gurgenidze, Bukhuti — 1-0 — Erevan ARM
1956 — Wilkinson, BL. vs Parr, Frank — 0-1 — Blackpool ENG
7.Qe2 — 20.4% (2566 parties)
1962 — Dadevsky vs Stein Septiano Malewa Kleden — 1/2-1/2 — Kiev UKR
1962 — Erdeljan, Aleksandar vs Hribersek, Jozef — 1-0 — ?
1972 — Velimirovic, Dragoljub vs Ermenkov, Evgenij — 1-0 — Sombor
1974 — Zaitsev, Igor A vs Petkevich, Jusefs — 1-0 — Daugavpils LAT
1974 — Brasket, Curt J vs Browne, Walter Shawn — 0-1 — Lone Pine, CA USA
7.Qd2 — 4.1% (517 parties)
1952 — Popel, Stepan vs Rossolimo, Nicolas — 0-1 — Paris FRA
1953 — Ekenberg, Bengt vs Johansson, Inge V — 1-0 — Oerebro
1954 — Louma, Josef vs Antonio Molina, Zayra Angelina — 0-1 — ?
1954 — Pedersen, Eigil vs Sajtar, Jaroslav — 1/2-1/2 — Prague zt Prague CZE
1954 — Pedersen, Eigil vs Anay Barche — 0-1 — Prague CZE