E58b - 9.bxc3 - Main Line (1956)

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E58b — Main Line (1956)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3
Les coups candidats
Ambassadeurs : Langer, Raimund (16x), Matanovic, Aleksandar (15x), Szabo, Laszlo (15x), Taimanov, Mark (15x), Gligoric, Sofija (13x), Furman, Semyon (12x), Alexander Tadala (12x), Donner, Jan-Hein (12x)
Ambassadeurs : Isigkeit, Hans-Jürgen (17x), Averbakh, Yuri L (16x), Donner, Jan-Hein (11x), Kurgansky, Vitaly Ivanovich (11x), Avotins, Maigonis (10x), Tatai, Stefano (9x), Byrne, Robert E (8x), Gligoric, Svetozar (8x)
Ambassadeurs : Popov, Vladimir Valentinovich (22x), Bernal Varela, Nelson (10x), Mroczek, Jacek (10x), Sliwa, Bogdan (9x), Espinosa Flores, Rafael Emilio (8x), Miguel, Nahuel (6x), Cvetkovic, Srdjan (6x), Taimanov, Mark (5x)
9…Re8 — 0.9% (69 parties)
Ambassadeurs : Komarov, Dimitri (2x), Hoelzl, Franz (2x), Borisenko, Georgy K (1x), Korchnoi, Viktor (1x), Cuellar Gacharna, Miguel (1x), Bielicki, Carlos (1x), Rabar, Braslav (1x), Janosevic, Dragoljub (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…dxc4 9…Qc7 9…b6 9…Re8
<1800 303 43% 32% 19% 1%
1800-2200 2168 40% 37% 19% 1%
2200-2600 3007 44% 48% 6% 1%
2600+ 148 39% 59% 1% 1%
Évolution par décennie (% des parties)
Décennie N parties 9…dxc4 9…Qc7 9…b6 9…Re8
1950s 423 75% 11% 13% 0%
1960s 334 64% 25% 10% 1%
1970s 338 67% 27% 4% 1%
1980s 397 63% 30% 4% 1%
1990s 843 58% 33% 6% 1%
2000s 1865 45% 42% 9% 1%
2010s 2862 34% 47% 15% 1%
2020s 206 43% 28% 21% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…dxc4 34% 43% ▲ +8.6%
9…Qc7 47% 28% ▼ -19.7%
9…b6 15% 21% ▲ +6.2%
9…Re8 1% 6% ▲ +5.0%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 8 parties
Hou, Yifan — 6 parties
Botvinnik, Mikhail — 5 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
9…dxc4 — 46.9% (3407 parties)
1950 — Alexander Tadala vs Abramov, Lev — 0-1 — Leningrad ch sf
1950 — Borisenko, Georgy K vs Averbakh, Yuri L — 1/2-1/2 — Moskou ch-URS
1950 — Wood, Gabriel vs Mitchell, Graham — 1-0 — corr Wch1
1950 — Rapaka Samuel Paul vs Weaks — 1/2-1/2 — Los Angeles, CA USA
1951 — Kramer, Haije vs Poulsen, Christian — 1/2-1/2 — Beverwijk NED
9…Qc7 — 38.7% (2816 parties)
1950 — Milic, Borislav vs Kevitz, Alexander — 1/2-1/2 — USA
1955 — Sarapu, Ortvin vs Lynch, DI. — 1-0 — New Zealand ch
1956 — Geller, Efim P. vs Petrosian, Tigran V. — 1-0 — Amsterdam NED
1956 — Efimov, Kondrat vs Geller, Alexander — 1-0 — Leningrad RUS
1956 — Borisenko, Georgy K vs Vasilchuk, Yury — 1/2-1/2 — Kharkov UKR
9…b6 — 11.3% (821 parties)
1951 — Simonovic, Borko vs Matanovic, Aleksandar — 0-1 — Ljubljana
1952 — Taimanov, Mark vs Botvinnik, Mikhail — 1-0 — Moskou ch-URS plof
1952 — Rhodes, H. vs Howland, HW. — 1-0 — England
1952 — Lilienthal, Andor vs Averbakh, Yuri L — 1-0 — Moscow RUS
1952 — Byrne, Robert E vs Skold, Kristian — 1-0 — Helsinki olm
9…Re8 — 0.9% (69 parties)
1951 — Rabar, Braslav vs Janosevic, Dragoljub — 1/2-1/2 — Sarajevo BIH
1955 — Barata da Cruz, V. vs Rabindra Ch. Dey — 1-0 — Johannesburg
1965 — Borisenko, Georgy K vs Korchnoi, Viktor — 0-1 — Gyula HUN
1966 — Cuellar Gacharna, Miguel vs Bielicki, Carlos — 1-0 — Havana CUB
1976 — Tarjan, James vs Lebredo Zaragoitia, Gerardo — 1-0 — Quito ECU