B71c - 6…Nc6 - Dragon Levenfish

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B71c — Dragon Levenfish
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4 Nc6
Eval: [+0.00]
Les coups candidats
7.Nxc6 — 50.6% (1265 parties)
Ambassadeurs : Grazinys, Vidmantas (9x), Berkley, Stephen W (6x), Harju, Antero (6x), Flaisigova, Petra (5x), L'Ami, Erwin (5x), Ong, Allan (5x), Reshevsky, Samuel (4x), Yanofsky, Daniel Abraham (4x)
Ambassadeurs : Hector, Jonny (11x), Mrva, Martin (8x), Gutierrez Herrera, Jose Antonio (4x), Gutmakher, Olga (4x), Feygin, Michael (4x), Kolar, Srecko (3x), Kofidis, Andreas (3x), Van Leeuwen, Etienne (3x)
7.Be2 — 13.3% (333 parties)
Ambassadeurs : Gayson, Peter M (11x), Kupreichik, Viktor D (8x), Lanka, Zigurds (3x), Mengarini, Ariel (2x), Reshevsky, Samuel (2x), Durão, Joaquim Manuel (2x), Blackstone, John (2x), Lilja, Richard (2x)
Ambassadeurs : Walther, Edgar (4x), Weissleder, Wolfgang M Dr (3x), Kruk, Sergey Valentinovich (3x), Klavins, Janis (2x), Schmid, Lothar (2x), Korchnoi, Viktor (2x), Karvinen, Kimmo (2x), Nefzer, Werner (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Nxc6 7.Nf3 7.Be2 7.Bb5
<1800 95 47% 12% 11% 14%
1800-2200 813 52% 14% 14% 8%
2200-2600 730 44% 26% 14% 4%
2600+ 6 17% 33% — —
Évolution par décennie (% des parties)
Décennie N parties 7.Nxc6 7.Nf3 7.Be2 7.Bb5
1940s 23 57% 4% 17% 22%
1950s 111 58% 9% 14% 12%
1960s 90 50% 2% 10% 29%
1970s 140 61% 8% 10% 11%
1980s 194 54% 14% 16% 8%
1990s 599 51% 16% 14% 8%
2000s 703 51% 17% 12% 9%
2010s 561 47% 18% 14% 7%
2020s 81 31% 19% 20% 11%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Nxc6 47% 31% ▼ -16.6%
7.Nf3 18% 19% +0.3%
7.Be2 14% 20% ▲ +6.0%
7.Bb5 7% 11% ▲ +4.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Anand, Viswanathan — 2 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Parties historiques
7.Nxc6 — 50.6% (1265 parties)
1946 — Kamyshov, Mikhail vs Bonch-Osmolovsky, Mikhail — 1-0 — Moscow RUS
1947 — Wormald Chavez, Thomas vs Nilsson, Zandor — 1-0 — BCCA-Sweden
1947 — Liublinsky, Victor vs Aronin, Lev — 1-0 — Moscow RUS
1947 — Thomas Andrew vs Buerger, Victor — 1-0 — Harrogate
1948 — Penrose, Oliver vs Truscott, Alan Fraser — 1-0 — London, Bishopsgate
7.Nf3 — 15.2% (381 parties)
1949 — Kan, Ilya A vs Fridstein, German — 1-0 — Moscow RUS
1952 — Bronstein, David I vs Plater, Kazimierz — 1-0 — Helsinki olm
1952 — Aponte De La Corte, Jose Manuel vs Martello Panno, David — 1-0 — Buenos Aires ARG
1954 — Nestler, Vincenzo vs Staldi, Cherubino — 0-1 — ITA-ch17 Trieste
1955 — Kan, Ilya A vs Averbakh, Yuri L — 0-1 — Moscow RUS
7.Be2 — 13.3% (333 parties)
1947 — Boleslavsky, Isaac vs Kottnauer, Cenek — 1/2-1/2 — Moscow RUS
1947 — Beretta, Hector vs Piro, Antonio — 1/2-1/2 — Buenos Aires ARG
1947 — Beretta, Alberto Luigi vs De Piro, Tristram — 1/2-1/2 — Buenos Aires ch-ARG
1949 — Benko, Francisco vs Eliskases, Erich — 0-1 — Mar del Plata ARG
1950 — Rellstab, Ludwig Sr vs Siegel, Paul — 1-0 — Bad Pyrmont GER
7.Bb5 — 9.3% (233 parties)
1945 — Czerniak, David vs Pelikan, Anna — 1-0 — Buenos Aires ch
1946 — Pytlakowski, Andrzej vs Gadalinski, Jan — 1/2-1/2 — Sopot
1949 — Liublinsky, Victor vs Moiseev, Oleg — 1/2-1/2 — Moscow RUS
1949 — Korchnoi, Viktor vs Spassky, Boris V. — 0-1 — Leningrad RUS
1949 — Geller, Efim P. vs Pogrebissky, Iosif — 0-1 — Odessa UKR