D93h —
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3 c5 7.dxc5 Qa5 8.Rc1
Les coups candidats
8…dxc4 — 73.7% (1027 parties)
Ambassadeurs : Sinkovics, Peter (16x), Grigore, George-Gabriel (15x), Lukacs, Peter (11x), Farago, Ivan (10x), Ftacnik, Lubomir (8x), Kovacs, Arthur Dr. (8x), Mikhalevski, Alexander (8x), Vahidov, Tair (8x)
8…Rd8 — 10.5% (146 parties)
Ambassadeurs : Farago, Ivan (4x), Sax, Gyula (4x), Korchnoi, Viktor (2x), Karsa, Laszlo (2x), Lukacs, Peter (2x), Rukhlin, Vladimir Georgievich (2x), Forintos, Gyozo V (2x), Kovacs, Arthur Dr. (2x)
8…Ne4 — 8.4% (117 parties)
Ambassadeurs : Somogyi, Istvan (3x), Pribyl, Martin (3x), Kun, Sandor (2x), Pietila, Heikki (1x), Aalto Toivo (1x), Basin, Leonid (1x), Nikolenko, Oleg (1x), Petursson, Margeir (1x)
8…Nbd7 — 3.1% (43 parties)
Ambassadeurs : Hammer, Jon Ludvig (2x), Salem, A.R. Saleh (2x), Vahidov, Tair (2x), Thomas, Richard Huw (1x), Toothill, John (1x), Steingrimsson, Hedinn (1x), Kritz, Leonid (1x), Rakhimov, Rustam Alidganovich (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…dxc4 8…Rd8 8…Ne4 8…Nbd7
<1800 16 56% 6% 25%
1800-2200 441 72% 12% 9% 2%
2200-2600 749 77% 8% 7% 4%
2600+ 20 80% 5% 5% 5%
Évolution par décennie (% des parties)
Décennie N parties 8…dxc4 8…Rd8 8…Ne4 8…Nbd7
1940s 2 50% 50%
1950s 1 100%
1960s 11 55% 27%
1970s 62 52% 32% 11%
1980s 101 73% 12% 10%
1990s 217 72% 11% 11%
2000s 343 77% 8% 9% 1%
2010s 610 75% 8% 7% 7%
2020s 47 70% 17% 4% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…dxc4 75% 70% ▼ -4.9%
8…Rd8 8% 17% ▲ +8.8%
8…Ne4 7% 4% ▼ -2.8%
8…Nbd7 7% 2% ▼ -4.4%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 2 parties
Kramnik, Vladimir — 2 parties
Tal, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
8…dxc4 — 73.7% (1027 parties)
1948 — Purdy, Cecil J S vs Koshnitsky, Gregory — 1-0 — Melbourne AUS
1954 — Aarland, Stein Arild vs Tal, Mikhail — 1/2-1/2 — Riga-ch Riga LAT
1963 — Uhlmann, Wolfgang vs Trifunovic, Petar — 1/2-1/2 — Havana CUB
1964 — Zaitsev, Alexander vs Honfi, Karoly — 1-0 — Ordzhonikidze
1965 — Kolbak, Jens vs Jakobsen, Ole — 1/2-1/2 — Aalborg DEN
8…Rd8 — 10.5% (146 parties)
1946 — Martinez, Jose Enrique vs Lipiniks, Leonardo — 1/2-1/2 — Buenos Aires ch-ARG
1963 — De Greiff, B. vs Uhlmann, W. — 0-1 — Havana CUB
1964 — Korchnoi, Viktor vs Stein, Leonid — 1/2-1/2 — Moscow RUS
1964 — Korchnoi, Viktor vs Stein, Leon Rico — 1/2-1/2 — Moscow RUS
1970 — Tukmakov, Vladimir B vs Dueball, Juergen — 1-0 — Kiev UKR
8…Ne4 — 8.4% (117 parties)
1970 — Udovcic, Mijo vs Marić, Rudolf — 0-1 — Yugoslavia
1971 — Cuijpers, Frans Andre vs Timman, Jan H — 0-1 — Nederland tt
1972 — Pietila, Heikki vs Aalto Toivo — 1-0 — ?
1972 — Lehmann, Heinz vs Ribli, Zoltan — 0-1 — Wijk aan Zee NED
1973 — Dickman, Michael H vs Orton, Bill — 1-0 — USA op Chicago, IL USA
8…Nbd7 — 3.1% (43 parties)
2001 — Thomas, Richard Huw vs Toothill, John — 1/2-1/2 — Rd07-Birmingham
2008 — Steingrimsson, Hedinn vs Kritz, Leonid — 0-1 — Plovdiv BUL
2010 — Ardelean, George-Catalin vs Petrisor, Adrian-Marian — 1/2-1/2 — Arad ROU
2010 — Potapov, Alexander vs Kurnosov, Igor — 0-1 — Rijeka CRO
2010 — Hammer, Jon Ludvig vs Kulaots, Kaido — 1/2-1/2 — Reykjavik ISL