B43h - 5…Qc7 6.g3 [+0.13]

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B43h —
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3
Eval: [+0.13]
Les coups candidats
Ambassadeurs : Szmetan, Jorge (15x), Van Riemsdijk, Herman C. (15x), Velikov, Petar (13x), Martorelli, Antonio (10x), Heinig, Wolfram, Dr. (8x), Chuchelov, Vladimir (8x), Volosin, Leon (8x), Rossi, Giampiero (8x)
6…Bb4 — 31.7% (1759 parties)
Ambassadeurs : Miezis, Normunds (26x), Van Riemsdijk, Herman C. (18x), Zapata, Alonso (16x), Gheorghiu, Florin (15x), Panno, Oscar (15x), Felgaer, Ruben (14x), Kudrin, Sergey (14x), Kovacevic, Slobodan (12x)
Ambassadeurs : Vogt, Lothar (5x), Kostro, Jerzy (4x), Ostojic, Predrag (4x), Zichichi, Alvise (4x), Vooremaa, Andres (4x), Szmetan, Jorge (4x), ? (4x), Jurkovic, Hrvoje (4x)
6…b5 — 13.1% (725 parties)
Ambassadeurs : Golyak, Isay G (4x), Tulacz, Dorota (4x), Whitehead, Mark A (4x), Paulsen, Wilfried (3x), Estrin, Yakov (3x), Macias Murillo, Bryan (3x), Sukhareva, Evgeniya (3x), Kamlach, Miroslav (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Nf6 6…Bb4 6…Nc6 6…b5
<1800 102 38% 22% 9% 27%
1800-2200 1615 35% 27% 14% 19%
2200-2600 2771 34% 39% 14% 8%
2600+ 31 35% 48% 10% 6%
Évolution par décennie (% des parties)
Décennie N parties 6…Nf6 6…Bb4 6…Nc6 6…b5
1880s 4 — 25% — 75%
1890s 1 — — — 100%
1900s 1 100% — — —
1910s 1 — — 100% —
1920s 6 100% — — —
1930s 1 100% — — —
1950s 85 35% 29% 11% 22%
1960s 218 45% 7% 32% 14%
1970s 370 44% 24% 20% 11%
1980s 369 40% 32% 17% 6%
1990s 1075 38% 33% 15% 9%
2000s 1471 34% 31% 15% 14%
2010s 1668 31% 37% 13% 15%
2020s 272 36% 32% 9% 18%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Nf6 31% 36% ▲ +4.7%
6…Bb4 37% 32% ▼ -5.2%
6…Nc6 13% 9% ▼ -4.0%
6…b5 15% 18% ▲ +2.5%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Smyslov, Vladimir — 2 parties
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
6…Nf6 — 35.4% (1962 parties)
1905 — Tartakower, Savielly vs Decreton Keller, Henrique — 1-0 — Barmen GER
1920 — Berndtsson, Karl vs Bergdahl Larsson, Rasmus — 1-0 — Goteborg SWE
1921 — Steiner, Endre vs Saemisch, Friedrich — 1/2-1/2 — Budapest HUN
1922 — Hromadka, Karel vs Saemisch, Friedrich — 0-1 — Bad Pistyan CZE
1922 — Louis, Andre vs MAROCZY, GEZA — 0-1 — Weston Super Mare
6…Bb4 — 31.7% (1759 parties)
1885 — Gottschall, Hermann vs Paulsen, Wilfried — 0-1 — Hamburg GER
1955 — Ousatchi, Mark vs Polugaevsky, Lev — 1-0 — Moscow RUS
1957 — Miasnikov, A. vs Kalashian, Loris — 0-1 — Tbilisi GEO
1957 — Plater, Kazimierz vs Van Scheltinga, Theo — 0-1 — Dublin IRL
1957 — Walther, Edgar vs Van Scheltinga, Theo — 1/2-1/2 — Dublin IRL
6…Nc6 — 15.0% (832 parties)
1913 — Spielmann, Rudolf vs Von Balla, Zoltan — 1-0 — Budapest HUN
1954 — Troianescu, Octav vs Filip, Marius Liviu — 0-1 — Bucharest ROU
1957 — Tringov, Georgi P vs Nikitin, Aleksander S — 0-1 — Reykjavik ol stud tt
1958 — Estrin, Yakov vs Nikitin, Aleksander S — 0-1 — Moscow RUS
1958 — Vukcevich, Milan vs Milic, Borislav — 1/2-1/2 — Sarajevo BIH
6…b5 — 13.1% (725 parties)
1880 — Minckwitz, Johannes vs Paulsen, Wilfried — 1-0 — Wiesbaden GER
1883 — Blackburne, Joseph vs Paulsen, Wilfried — 1-0 — Nuerenberg GER
1889 — Metger, Johannes vs Paulsen, Louis — 0-1 — Breslau GER
1892 — Albin, Adolf vs Paulsen, Wilfried — 1-0 — Dresden GER
1954 — Yudovich, Mikhail M vs Polugaevsky, Lev — 1-0 — Gorki ch22-SU sf