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E20l — Romanishin (1968)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.g3 c5 5.Nf3
Les coups candidats
Ambassadeurs : Moiseenko, Alexander (20x), Gaprindashvili, Nona (18x), Van Wely, Loek (16x), Bacrot, Etienne (15x), Ward, Chris G (14x), Nielsen, Peter Heine (14x), Potapov, Alexander (13x), Miladinovic, Igor (12x)
Ambassadeurs : Suba, Mihai (9x), Yudasin, Leonid (8x), Potapov, Alexander (8x), Karpov, Anatoly (7x), Miladinovic, Igor (7x), Barsov, Alexei (7x), Kasparov, Garry (6x), Drasko, Milan (6x)
Ambassadeurs : Barsov, Alexei (13x), Naumkin, Igor (8x), Potapov, Alexander (7x), Ward, Chris G (7x), Stocek, Jiri (4x), Khalifman, Alexander (4x), Juptner, Jan (4x), Ligterink, Gert (3x)
Ambassadeurs : Ubilava, Elizbar (8x), Arkell, Keith C (7x), Bacrot, Etienne (6x), Romanishin, Oleg M (6x), Buchenau, Frank (6x), Bakheet Farag (4x), Giorgadze, Tamaz (3x), Vadasz, Laszlo (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…cxd4 5…Nc6 5…O-O 5…Ne4
<1800 84 51% 20% 12% 7%
1800-2200 852 39% 16% 16% 11%
2200-2600 2900 43% 14% 15% 13%
2600+ 322 49% 21% 10% 8%
Évolution par décennie (% des parties)
Décennie N parties 5…cxd4 5…Nc6 5…O-O 5…Ne4
1950s 1 — — — 100%
1960s 7 14% 14% 14% 29%
1970s 97 35% 3% 13% 27%
1980s 624 41% 15% 13% 14%
1990s 892 44% 11% 19% 10%
2000s 1390 49% 14% 14% 12%
2010s 1258 39% 19% 13% 12%
2020s 204 40% 21% 14% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…cxd4 39% 40% +0.4%
5…Nc6 19% 21% ▲ +1.7%
5…O-O 13% 14% ▲ +0.5%
5…Ne4 12% 12% +0.3%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Tal, Mikhail — 2 parties
Ju, Wenjun — 2 parties
Hou, Yifan — 1 partie
Parties historiques
5…cxd4 — 43.5% (1946 parties)
1968 — De Carbonnel, Heinz vs Marest, Steren — 1-0 — corr Wch6
1970 — Wall, Alejandro vs Bishop, Steve — 1-0 — Wichita Falls
1976 — Heidelbach, John vs Rosell, Percy — 1-0 — DEN-Cup corr
1976 — Heidelbach, John vs Mortensen, Einer — 1-0 — ?
1976 — Grigoryan, Karen A. vs Savon, Vladimir — 1/2-1/2 — USSR
5…Nc6 — 15.2% (681 parties)
1968 — Liptay, Laszlo Dr. vs Dely, Peter — 1/2-1/2 — HUN
1978 — Bakheet Farag vs Dely, Peter — 1/2-1/2 — HUN-ch Budapest HUN
1978 — Rohland, Michael Karl vs South, Robert — 1-0 — Toronto ch-CAN - zt
1978 — Van Tilbury, Craig vs Shoumali, Samir — 1-0 — Buenos Aires ARG
1981 — Ingram, Alan vs Wheeler, Darren P — 1/2-1/2 — Wolverhampton
5…O-O — 14.6% (651 parties)
1965 — Jacobs, Joachim, Dr. vs Broberg, Horst — 1-0 — Bourgas BUL
1970 — Liptay, Laszlo Dr. vs Bukic, Enver — 1/2-1/2 — Debrecen HUN
1970 — Liptay, Laszlo Dr. vs Gipslis, Aivars — 1/2-1/2 — Budapest HUN
1977 — Tukmakov, Vladimir B vs Luik, Helmuth — 1-0 — Parnu EST
1977 — Moehring, Guenther vs Weiss, Augustin — 1/2-1/2 — Stary Smokovec SVK
5…Ne4 — 12.3% (549 parties)
1956 — Golz, Werner vs Sliwa, Bogdan — 1-0 — Dresden GER
1962 — Boutteville, Cesar vs Noradounghian, Georges — 1/2-1/2 — Paris FRA
1968 — De Carbonnel, Heinz vs Sanakoev, Grigory — 1/2-1/2 — corr Wch6
1976 — Sharif, Mehrshad vs Byrne, Robert E — 0-1 — Haifa olm
1976 — Romanishin, Oleg M vs Garcia Gonzales, Guillermo — 1/2-1/2 — Caracas VEN