B45n - 8…Qc7 - Taimanov, Four Knights (1902)

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B45n — Taimanov, Four Knights (1902)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Nf6 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4 Qc7
Les coups candidats
9.f4 — 99.0% (4239 parties)
Ambassadeurs : Troia, Elio (30x), Kruk, Sergey Valentinovich (19x), Van Riemsdijk, Herman C. (17x), Durand, Jean-philippe (15x), Vukic, Milan (13x), Rogozenco, Dorian (13x), Suárez Rodríguez, Juan Alberto (12x), Bellahcene, Bilel (12x)
9.Nd6+ — 0.5% (21 parties)
Ambassadeurs : Kunze, Klaus (1x), Rosen, Willy (1x), Dahms, Peter (1x), Peterwitz, Klaus (1x), Vitolinsh, Alvis (1x), Giorgadze, Tamaz (1x), Stepic, Josip (1x), Pecnik, Leo (1x)
9.Qh5 — 0.2% (10 parties)
Ambassadeurs : Svedenborg, Paul (2x), Husz, Krisztian (1x), Zabiak, Norbert (1x), Wisloff-Nilssen, Sven (1x), Royset, Pal (1x), Svoboda, Svatopluk (1x), Eberth, Zoltan Bela (1x), Najafi, Farhad (1x)
9.c4 — 0.1% (5 parties)
Ambassadeurs : Pedroso, Denian (2x), Hegedus, Gyorgy (1x), Wersching, Guenter (1x), Rapaka Samuel Paul (1x), Plante, Marc Eric (1x), Zamsha, Denis (1x), Chumak, Vadim (1x), Martins, Anderson Donay (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.f4 9.Nd6+ 9.Qh5 9.c4
<1800 281 99% 0% 0% 1%
1800-2200 1697 99% 0% 0% 0%
2200-2600 1877 100% 0% 0% —
2600+ 107 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 9.f4 9.Nd6+ 9.Qh5 9.c4
1950s 12 92% 8% — —
1960s 6 100% — — —
1970s 31 97% 3% — —
1980s 184 99% 1% — —
1990s 436 98% 1% 1% 0%
2000s 974 99% 1% 0% 0%
2010s 1136 99% 1% 0% 0%
2020s 1502 100% 0% 0% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.f4 99% 100% ▲ +0.8%
9.Nd6+ 1% 0% -0.5%
9.Qh5 0% 0% -0.2%
9.c4 0% 0% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 4 parties
Hou, Yifan — 4 parties
Kramnik, Vladimir — 2 parties
Carlsen, Magnus — 2 parties
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Gukesh D — 1 partie
Parties historiques
9.f4 — 99.0% (4239 parties)
1951 — Malich, Burkhard, Dr. vs Fuchs, Reinhart — 1-0 — Leipzig GER
1952 — Szukszta, Janus vs Makarczyk, Kazimierz — 0-1 — Katowice POL
1952 — Leiva, Juan Carlos vs Juarez, Carlos Eleodoro — 0-1 — Buenos Aires ARG
1953 — Koch, Berthold vs Fuchs, Reinhart — 1-0 — Leipzig GER
1954 — Kunze, Klaus vs Fuchs, Reinhart — 1/2-1/2 — Meerane
9.Nd6+ — 0.5% (21 parties)
1951 — Kunze, Klaus vs Rosen, Willy — 0-1 — Leipzig GER
1979 — Vitolinsh, Alvis vs Giorgadze, Tamaz — 1-0 — Soviet Union
1989 — Dahms, Peter vs Peterwitz, Klaus — 0-1 — Landes-Einzelmeister
1990 — Petersen, Ole vs Kollwitz, Andreas — 0-1 — ?
1993 — Garcia Luque, Agustin vs San Segundo Carrillo, Pablo — 1/2-1/2 — Espana equipos
9.Qh5 — 0.2% (10 parties)
1992 — Svedenborg, Paul vs Wisloff-Nilssen, Sven — 1-0 — ?
1994 — Najafi, Farhad vs Shokoohi, H. — 0-1 — Iran
1998 — Svoboda, Svatopluk vs Eberth, Zoltan Bela — 1-0 — Miskolc
1999 — Husz, Krisztian vs Zabiak, Norbert — 0-1 — Miskolc
1999 — Svedenborg, Paul vs Royset, Pal — 1-0 — Norway
9.c4 — 0.1% (5 parties)
1996 — Hegedus, Gyorgy vs Wersching, Guenter — 0-1 — ?
2004 — Rapaka Samuel Paul vs Plante, Marc Eric — 1/2-1/2 — ?
2012 — Zamsha, Denis vs Chumak, Vadim — 1-0 — Krasnodar RUS
2016 — Pedroso, Denian vs Martins, Anderson Donay — 0-1 — Porto Alegre
2018 — Ribeiro, Luiz Felipe Roballo vs Pedroso, Denian — 0-1 — Porto Alegre