E20v — Romanishin
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.g3 c5 5.Nf3 cxd4 6.Nxd4 O-O 7.Bg2 d5
Les coups candidats
Ambassadeurs : Nielsen, Peter Heine (16x), Miladinovic, Igor (15x), Bacrot, Etienne (11x), Campos Moreno, Javier B. (10x), Zvjaginsev, Vadim (9x), Jakovenko, Dmitry (9x), Kasparov, Garry (8x), Carlsen, Magnus (8x)
8.Qb3 — 20.3% (373 parties)
Ambassadeurs : Ubilava, Elizbar (8x), Gaprindashvili, Nona (8x), Suba, Mihai (7x), Portisch, Lajos (6x), Kholmov, Ratmir D (5x), Ward, Chris G (5x), Ronczkowski, Manfred (5x), Moiseenko, Alexander (5x)
8.O-O — 15.0% (276 parties)
Ambassadeurs : Stocek, Jiri (8x), Moiseenko, Alexander (4x), Schandorff, Lars (3x), Sokolov, Ivan (3x), von Gleich, Alexander (3x), Syre, Christian (3x), Rodriguez Cespedes, Amador (3x), Gurevich, Mikhail (3x)
8.Nc2 — 2.3% (42 parties)
Ambassadeurs : Hergott, Deen (3x), Cebalo, Miso (3x), Adrian, Claude (3x), Lepelletier, Benoit (2x), Piecusch, R. (1x), Schlotthauber, Werner (1x), Fuster, Geza (1x), Piasetski, Leon (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.cxd5 8.Qb3 8.O-O 8.Nc2
<1800 18 78% 6% 11% 6%
1800-2200 227 63% 19% 14% 3%
2200-2600 1221 61% 21% 15% 2%
2600+ 166 75% 12% 10% 2%
Évolution par décennie (% des parties)
Décennie N parties 8.cxd5 8.Qb3 8.O-O 8.Nc2
1950s 1 100%
1960s 4 75% 25%
1970s 21 62% 14% 14% 10%
1980s 301 36% 37% 25% 1%
1990s 437 50% 27% 18% 2%
2000s 571 74% 13% 12% 1%
2010s 437 73% 13% 10% 3%
2020s 62 66% 11% 13% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.cxd5 73% 66% ▼ -7.3%
8.Qb3 13% 11% ▼ -1.5%
8.O-O 10% 13% ▲ +3.3%
8.Nc2 3% 10% ▲ +6.5%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Carlsen, Magnus — 9 parties
Karpov, Anatoly — 6 parties
Kramnik, Vladimir — 6 parties
Anand, Viswanathan — 5 parties
Karpov, Aleksandr — 3 parties
Tal, Mikhail — 2 parties
Ju, Wenjun — 2 parties
Parties historiques
8.cxd5 — 61.6% (1129 parties)
1961 — Schmid, Lothar vs Clarke, Peter H — 1/2-1/2 — Neuhausen
1962 — Gheorghiu, Florin vs Evans, Larry Melvyn — 1/2-1/2 — Varna BUL
1967 — Sokolov, Vladimir vs Forintos, Gyozo V — 1/2-1/2 — Liberation Belgrade YUG
1971 — Keene, Raymond D vs Botterill, George S. — 1/2-1/2 — Oxford, Christ Church
1972 — Gedevanishvili, Dmitry vs Romanishin, Oleg M — 0-1 — Moscow RUS
8.Qb3 — 20.3% (373 parties)
1965 — Liebisch, Dieter vs Bruentrup, Dieter — 0-1 — Bourgas BUL
1972 — Hill Alan vs Berry, Jonathan — 0-1 — Vancouver BC CAN
1975 — Webb, Simon vs Jones, Iolo C — 1-0 — Glasgow SCO
1979 — Czikuhs vs Schwarz, Eckhard — 0-1 — corr DDR-cup5
1980 — Ubilava, Elizbar vs Schussler, Harry — 1-0 — Tbilisi Tbilisi GEO
8.O-O — 15.0% (276 parties)
1958 — Pomar Salamanca, Arturo vs Paoli, Enrico — 1-0 — Santander ESP
1976 — Pafnutieff, Vladimir vs Fasano Ray — 0-1 — Seattle, WA USA
1977 — Pope, Jacob vs Mcconnell, Sullivan — 1/2-1/2 — Berkeley
1979 — Lund, Jens Christian vs Hyldkrog, Lars — 1-0 — Denmark ch corr
1985 — Romanishin, Oleg M vs Ribli, Zoltan — 1-0 — Reggio Emilia ITA
8.Nc2 — 2.3% (42 parties)
1972 — Fuster, Geza vs Piasetski, Leon — 0-1 — Toronto CAN
1979 — Karasev, Vladimir I vs Gavrikov, Viktor — 1-0 — Beltsy
1980 — Olafsson, Helgi vs Helmers, Knut Joran — 1/2-1/2 — Reykjavik ISL
1983 — Schuh, Hubert vs Chandler, Murray G — 0-1 — Duitsland tt
1987 — Ditzler, Juerg vs Cebalo, Miso — 0-1 — Geneva SUI