D87k - 9.O-O Nc6 10.Be3 Qc7 11.Rc1 Rd8 - Classical Exchange (1957)

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D87k — Classical Exchange
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 Qc7 11.Rc1 Rd8
Les coups candidats
Ambassadeurs : Tleptsok, Ruslan (15x), Halliwell, Toni (10x), Flecher, Joseph (9x), Wiesinger, Johann (9x), Schmidt, Wlodzimierz (8x), Laghetti, Gaetano (8x), Lombart, Philippe (8x), Knaak, Rainer (7x)
Ambassadeurs : Gligoric, Svetozar (7x), Boll, Peter (6x), Farago, Ivan (6x), Rashkovsky, Nukhim N (5x), Tukmakov, Vladimir B (5x), Gutman, Lev (5x), Ftacnik, Lubomir (5x), Pribyl, Martin (5x)
12.f4 — 10.0% (331 parties)
Ambassadeurs : Timar, Zsolt (10x), Pribyl, Josef (7x), Packroff, Hermann (6x), Razuvaev, Yuri S (5x), Boll, Peter (4x), Zilberstein, Valery I (4x), Tozer, Richard J D (4x), Toth, Bela (3x)
12.h3 — 6.2% (206 parties)
Ambassadeurs : Huguet Reina, Carlos (5x), Almarza Mato, Carlos (4x), Hort, Vlastimil (3x), Adorjan, Andras (2x), Gligorić, Svetozar (2x), Spassky, Boris V. (2x), Lederer G (2x), Johns-Putra, Geraldine (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12.Bf4 12.Qd2 12.f4 12.h3
<1800 55 38% 25% 11% 7%
1800-2200 1092 41% 22% 5% 7%
2200-2600 1252 51% 24% 7% 4%
2600+ 42 57% 21% 2% 14%
Évolution par décennie (% des parties)
Décennie N parties 12.Bf4 12.Qd2 12.f4 12.h3
1950s 7 14% 14% 29% 29%
1960s 58 — 7% 34% 12%
1970s 270 19% 22% 27% 10%
1980s 402 31% 36% 19% 4%
1990s 665 31% 31% 12% 5%
2000s 763 45% 21% 6% 6%
2010s 1048 57% 16% 3% 7%
2020s 93 38% 26% 2% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12.Bf4 57% 38% ▼ -19.7%
12.Qd2 16% 26% ▲ +9.7%
12.f4 3% 2% ▼ -1.2%
12.h3 7% 4% ▼ -2.8%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 2 parties
Carlsen, Magnus — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
12.Bf4 — 41.1% (1358 parties)
1955 — Akampa Dickson vs Bolshoi Theater — 1-0 — Altshuler
1970 — Van Scheltinga, Theo vs Timman, Jan H — 0-1 — Dieren NED op
1971 — Korchnoi, Viktor vs Stein, Leonid — 1/2-1/2 — Moscow RUS
1971 — Balashov, Yuri vs Hort, Vlastimil — 1/2-1/2 — Moscow RUS
1971 — Korchnoi, Viktor vs Stein, Leon Rico — 1/2-1/2 — Moscow Alekhine Mem
12.Qd2 — 23.3% (770 parties)
1951 — Sherwin, James T vs Kashdan, Isaac — 0-1 — Forth Worth
1967 — Sarosy, Zoltan L vs Grimshaw, David — 0-1 — Toronto CAN
1967 — Kolbak, Jens vs Moe, Mogens — 0-1 — Vejle DEN
1968 — Danner, Erwin vs Jury, E. — 1-0 — corr Baltic-HUN
1969 — Norton, PJ. vs Donnelly, Mike J Dr — 1-0 — Rhyl
12.f4 — 10.0% (331 parties)
1959 — Spassky, Boris V. vs Shishkin, Aleksey — 1-0 — Tallinn EST
1959 — Spassky, Boris Vasily vs Shishkin, Vadim — 1-0 — USSR
1960 — Shishkin, Vladimir vs Bondarevsky, Igor — 1/2-1/2 — Rostov on Don
1961 — Clement, Paul vs Luyten Armand — 1-0 — Amical 1961/64
1961 — Klement, Bence vs ? — 1-0 — cr.
12.h3 — 6.2% (206 parties)
1959 — Gligoric, Svetozar vs Smyslov, Vasily — 0-1 — URS-YUG Kiev
1959 — Gligoric, Sofija vs Smyslov, Vladimir — 0-1 — Kiev UKR
1961 — Weinstein, Raymond vs Benko, Pal — 1/2-1/2 — New York, NY USA
1966 — Thiellement, Andre vs Linais, Gerard — 1-0 — Paris FRA
1967 — Stoll, Drew Lamb vs Pohl-Kuemmel, Jens-Uwe — 0-1 — Montreal op