B45f - 6.a3 - Taimanov, Four Knights (1900)

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B45f — Taimanov, Four Knights (1900)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.a3
Les coups candidats
6…Be7 — 33.1% (906 parties)
Ambassadeurs : Erlbeck, Peter (8x), Remizov, Yaroslav (5x), Kruk, Sergey Valentinovich (4x), Nedelcu, Teodor-Cosmin (4x), Ohanyan, Emin (4x), Van Foreest, Machteld (4x), Matinian, Nikita (4x), Sindarov, Javokhir (4x)
6…d6 — 18.6% (511 parties)
Ambassadeurs : Mitkov, Nikola (3x), Efroimski, Marsel (3x), Lutikov, Anatoly S (2x), Kunas, Heiko (2x), Popovic, Dalibor (2x), Jacko, Vladimir (2x), Grischuk, Alexander (2x), Colbow, Collin (2x)
6…d5 — 17.8% (489 parties)
Ambassadeurs : Vukic, Milan (8x), Hegeler, Anja (3x), Brusnjak, Saso (3x), Ozsakallioglu, Okan (3x), Kalashnikova, Larisa (2x), Vasiukov, Evgeni (2x), Milosevic, Goran (2x), Menzel, Ralf (2x)
6…a6 — 11.9% (327 parties)
Ambassadeurs : Kaufman, Allen J (2x), Degenhardt, Norbert (2x), Santos, Luis (2x), Nuenchert, Eveline (2x), Ficco, Corrado (2x), Kewe, Stefan (2x), Ascencios, Julio (1x), Blom, Kaj (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Be7 6…d6 6…d5 6…a6
<1800 249 29% 8% 20% 22%
1800-2200 1060 29% 15% 19% 16%
2200-2600 1036 37% 27% 18% 3%
2600+ 72 60% 24% 10% —
Évolution par décennie (% des parties)
Décennie N parties 6…Be7 6…d6 6…d5 6…a6
1950s 11 18% 36% 18% 18%
1960s 53 30% 19% 11% 17%
1970s 30 30% 23% 20% 23%
1980s 57 25% 35% 23% 7%
1990s 281 26% 18% 14% 19%
2000s 583 20% 17% 18% 17%
2010s 644 28% 14% 19% 18%
2020s 1081 45% 21% 18% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Be7 28% 45% ▲ +16.8%
6…d6 14% 21% ▲ +7.9%
6…d5 19% 18% ▼ -1.5%
6…a6 18% 3% ▼ -14.6%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 4 parties
Hou, Yifan — 3 parties
Kramnik, Vladimir — 1 partie
Parties historiques
6…Be7 — 33.1% (906 parties)
1956 — Niephaus, Walter vs Soos, Bela — 1-0 — Moscow RUS
1956 — Cardoso, Radolfo Tan vs Soos, Bela — 0-1 — Moskou olm
1960 — Lutikov, Anatoly S vs Prahov, Valentin — 1/2-1/2 — It Bad Salzungen GER
1961 — Lutikov, Anatoly S vs Khasin, Abram — 1-0 — Moscow RUS
1961 — Paoli, Enrico vs Emden, Hermann — 1-0 — Arlesheim
6…d6 — 18.6% (511 parties)
1950 — Antos, Adam vs Hejduk, Jakub — 1-0 — Chocen
1952 — Filchev, Rusko vs Karastoichev, Emil — 1-0 — Sofia BUL
1955 — Kaufman, Allen J vs Lombardy, William J — 1/2-1/2 — ?
1955 — Grob, Henry vs Negyesy, Gyorgy — 0-1 — Budapest HUN
1962 — Rootare, Salme vs Malinova, Natalia — 1/2-1/2 — Leningrad RUS
6…d5 — 17.8% (489 parties)
1951 — Balcarek, Wiktor vs Partyka, Kazimierz — 1/2-1/2 — Sopot
1957 — Abhishek Mari S vs Kozomara, Vlado — 1/2-1/2 — Sombor
1961 — Barendregt, Johan vs Blom, Kaj — 1-0 — Marianske Lazne
1961 — Pakhomova, Ekaterina vs Kalashnikova, Larisa — 1-0 — ?
1961 — Kviatkovskaya vs Kalashnikova, Larisa — 1-0 — ?
6…a6 — 11.9% (327 parties)
1955 — Kaufman, Allen J vs Sandrin, Albert — 0-1 — Long Beach, CA USA
1957 — Kaufman, Allen J vs Sullivan, Jeff — 1-0 — Cleveland, OH USA
1961 — Falconer, Neil E vs Berthier, Grant — 1-0 — San Francisco, CA USA
1962 — Mohrlok, Dieter vs Kinzel, Anton — 1-0 — Varna olm
1963 — Barry Dickson vs Goldstein, Alexander — 1-0 — Rhode Island