B92e - 6…e5 7.Nb3 - Najdorf (1947)

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B92e — Najdorf (1947)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3
Les coups candidats
Ambassadeurs : Agathiyan Susil (100x), Janisch, Manfred (85x), Wosch, Arkadiusz (70x), Jansa, Vlastimil (54x), De Firmian, Nick (40x), Binas, Jindrich (40x), Gallagher, Joseph G. (40x), Klovans, Janis (39x)
7…Be6 — 15.0% (5109 parties)
Ambassadeurs : ? (17x), Blackstone, John (14x), Letay, Gyula (11x), Helmer, Janos (10x), Vink, Nico (9x), Bernal Varela, Nelson (9x), Mayer, Istvan (9x), Mangini, Jose Henrique de Mello (8x)
7…b5 — 0.5% (172 parties)
Ambassadeurs : Zalys, Ignas (2x), Novkovic, Marko (2x), Mercuri, Lorenzo (1x), Angles d'Auriac, Bernard (1x), Balcarek, Wiktor (1x), Neikirkh, Oleg (1x), Wolstencroft, Alan (1x), Hardy, Roger (1x)
7…h6 — 0.3% (92 parties)
Ambassadeurs : Shim Ng Min, Francis (4x), Riddell, John (2x), Conings, Jos (1x), Larsen, Bent Ravn (1x), Pedersen, Eigil (1x), Nielsen, Julius (1x), Moller, Ejvind (1x), Perkins, Alan H (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Be7 7…Be6 7…b5 7…h6
<1800 2131 73% 25% 1% 0%
1800-2200 14190 79% 19% 1% 0%
2200-2600 12780 92% 8% 0% 0%
2600+ 627 97% 3% — —
Évolution par décennie (% des parties)
Décennie N parties 7…Be7 7…Be6 7…b5 7…h6
1950s 305 65% 28% 2% 1%
1960s 470 75% 19% 2% 1%
1970s 832 70% 28% 1% 0%
1980s 1415 89% 10% 0% 0%
1990s 4016 83% 14% 1% 0%
2000s 10091 83% 15% 1% 0%
2010s 12926 84% 15% 0% 0%
2020s 3942 86% 13% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Be7 84% 86% ▲ +2.1%
7…Be6 15% 13% ▼ -1.7%
7…b5 0% 0% -0.2%
7…h6 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Kramnik, Vladimir — 7 parties
Gukesh D — 2 parties
Smyslov, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Parties historiques
7…Be7 — 83.4% (28364 parties)
1950 — Tarnowski, Alfred vs EDEN GLORY — 0-1 — Schiavno Zdroj
1950 — Paoli, Enrico vs Mueller, Hans — 0-1 — Venice ITA
1950 — Salov, Vitaly V. vs Shamkovich, Leonid — 1-0 — Tartu
1950 — Matanovic, Aleksandar vs Ivkov, Borislav — 1/2-1/2 — Bled SLO
1950 — Castiglioni, Andre Lazzari vs Szabados, Gabor Dr. — 0-1 — Venice ITA
7…Be6 — 15.0% (5109 parties)
1950 — Busek, Hans vs Bolbochan, Julio — 0-1 — Dubrovnik CRO
1950 — Castiglioni, Ferruccio vs Aguilar Del Razo, Danna Zoe — 1-0 — Venice ITA
1950 — Heaney, RA. vs Tormey, TT. — 1-0 — Belfast IRL
1950 — Gresser, Gisela Kahn vs Hermanova, Roza — 1-0 — Moscow RUS
1950 — Stein, Georg vs Ullrich, Bruno — 1-0 — Soemmerda GER
7…b5 — 0.5% (172 parties)
1951 — Balcarek, Wiktor vs Neikirkh, Oleg — 1-0 — Sopot
1951 — McCormick, Evan vs Evans Lianda — 0-1 — USA/K
1952 — Eikrem, Arnold J vs Larsen, Bent — 0-1 — Trondheim NOR
1954 — Castillo Larenas, Mariano vs Benko, Francisco — 1/2-1/2 — Mar del Plata ARG
1954 — Humerez Estrada, Cidar vs Rossetto, Hector — 0-1 — Mar del Plata/Buenos Aires
7…h6 — 0.3% (92 parties)
1956 — Larsen, Bent Ravn vs Pedersen, Eigil — 1-0 — Copenhagen DEN
1957 — Nielsen, Julius vs Moller, Ejvind — 1-0 — Denmark
1963 — Conings, Jos vs Riddell, John — 1-0 — Ghent
1963 — Mollekens, Jozef vs Riddell, John — 1-0 — Ghent
1968 — Perkins, Alan H vs Hempson, Peter W — 1-0 — Bristol ch-BCF