E20u — Romanishin
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.g3 c5 5.Nf3 cxd4 6.Nxd4 O-O 7.Bg2
Les coups candidats
Ambassadeurs : Nielsen, Peter Heine (16x), Moiseenko, Alexander (16x), Suba, Mihai (15x), Gaprindashvili, Nona (13x), Kasparov, Garry (12x), Miladinovic, Igor (12x), Ward, Chris G (10x), Portisch, Lajos (9x)
7…Nc6 — 3.7% (71 parties)
Ambassadeurs : Karason, Askell O (2x), Fish, Gennadij (2x), Poecksteiner, Johann (1x), Fauland, Alexander (1x), Lerch, Robin (1x), Ciprian, Jiri (1x), Wiedenkeller, Michael (1x), Magnusson, Jorgen (1x)
7…a6 — 0.8% (16 parties)
Ambassadeurs : Santos, Antonio P (1x), Trevelyan, Clive (1x), Burger, Karl (1x), Shamkovich, Leonid (1x), Gheorghiu, Florin (1x), Rodriguez R, Luis Jose (1x), Priehoda, Vitezslav (1x), Jigjidsuren, Purev (1x)
7…Bxc3+ — 0.5% (10 parties)
Ambassadeurs : Miles, Anthony J (1x), Velimirovic, Dragoljub (1x), De Souza, Mauro Guimaraes (1x), Tan, Malcolm (1x), Ristovic, Nenad (1x), Djerkovic, Miladin (1x), Savva, Panikos (1x), Georghiou, Antonis (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…d5 7…Nc6 7…a6 7…Bxc3+
<1800 41 90% 7%
1800-2200 326 89% 8% 2% 1%
2200-2600 1242 95% 3% 1% 0%
2600+ 150 99% 1%
Évolution par décennie (% des parties)
Décennie N parties 7…d5 7…Nc6 7…a6 7…Bxc3+
1960s 3 100%
1970s 21 86% 5% 5% 5%
1980s 306 97% 2% 1% 0%
1990s 450 95% 4% 0% 1%
2000s 592 95% 3% 1%
2010s 467 92% 5% 1% 1%
2020s 78 85% 9% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…d5 92% 85% ▼ -7.2%
7…Nc6 5% 9% ▲ +4.3%
7…a6 1% 1% +0.2%
7…Bxc3+ 1% 0% ▼ -1.1%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Carlsen, Magnus — 9 parties
Karpov, Anatoly — 8 parties
Kramnik, Vladimir — 6 parties
Anand, Viswanathan — 5 parties
Tal, Mikhail — 2 parties
Ju, Wenjun — 2 parties
Parties historiques
7…d5 — 94.2% (1805 parties)
1961 — Schmid, Lothar vs Clarke, Peter — 1/2-1/2 — Neuhausen
1965 — Liebisch, Dieter vs Bruentrup, Dieter — 0-1 — Bourgas 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 — Hill, Alan vs Berry, Jonathan — 0-1 — Vancouver BC CAN
7…Nc6 — 3.7% (71 parties)
1977 — Tukmakov, Vladimir B vs Hort, Vlastimil — 1/2-1/2 — Decin CZE
1980 — Garcia Palermo, Carlos Horacio vs Gruszka, Marta — 1-0 — Villa Gesell ARG
1986 — Lerch, Robin vs Ciprian, Jiri — 1-0 — corr EU/M/GT
1986 — Gulko, Boris vs Shapiro, Daniel — 1-0 — Somerset
1987 — Wiedenkeller, Michael vs Magnusson, Jorgen — 1-0 — Stockholm SWE
7…a6 — 0.8% (16 parties)
1975 — Santos, Antonio P vs Trevelyan, Clive — 1/2-1/2 — Groningen NED
1982 — Burger, Karl vs Shamkovich, Leonid — 1-0 — Reykjavik ISL
1982 — Gheorghiu, Florin vs Rodriguez R, Luis Jose — 1-0 — Moskou izt
1995 — Priehoda, Vitezslav vs Jigjidsuren, Purev — 1-0 — Decin op Decin CZE
2001 — Karason, Askell O vs Thorarinsson, Pall A. — 1/2-1/2 — Reykjavik ISL
7…Bxc3+ — 0.5% (10 parties)
1976 — Miles, Anthony J vs Velimirovic, Dragoljub — 1-0 — Amsterdam NED
1987 — De Souza, Mauro Guimaraes vs Tan, Malcolm — 1-0 — ?
1990 — Amorim, Douglas Airton Ferr vs Da Silva, Darley Donizetti — 1-0 — ?
1995 — Ristovic, Nenad vs Djerkovic, Miladin — 0-1 — Montreal op Montreal CAN
1995 — Savva, Panikos vs Georghiou, Antonis — 0-1 — Cyprus