A31l — Symmetrical, Two Knights (1948)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e5 5.Nb5
Les coups candidats
5…d5 — 90.7% (3319 parties)
Ambassadeurs : Raetsky, Alexander (15x), Bellon Lopez, Juan Manuel (12x), Burnett, Jim (11x), Lesiege, Alexandre (10x), Hausner, Ivan (9x), Sykora, Robert (7x), Likavsky, Tomas (7x), Hebden, Mark L (6x)
5…d6 — 5.7% (208 parties)
Ambassadeurs : Boim, Inon (2x), Cmilyte, Viktorija (2x), Granovskiy, Alexandr (2x), Sinitsin, Evgeniy (2x), Lombart, Philippe (2x), Kuenitz, Klaus (2x), Fiser, Otakar (2x), Korinek, Jaroslav (2x)
5…Bc5 — 2.0% (72 parties)
Ambassadeurs : Hietkamp, Juergen (3x), Marcotulli, Giancarlo (3x), Buchal, Stephan (2x), Rabar, Braslav (1x), Czerniak, Moshe (1x), Cebalo, Miso (1x), Lombardy, William J (1x), Donnelly, Mike J Dr (1x)
5…Bb4+ — 0.8% (30 parties)
Ambassadeurs : Schoepf, Ulrich (2x), Ortega, Lexy (1x), Estevez De La Pena, Guillermo Santiago (1x), Zahilas, Loukas N. (1x), Alybrantis, N. (1x), Grey, Frank (1x), Schermuly, Sabine (1x), Juhasz, Bela (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…d5 5…d6 5…Bc5 5…Bb4+
<1800 132 80% 13% 6% 1%
1800-2200 1379 89% 7% 2% 1%
2200-2600 1658 95% 3% 1% 0%
2600+ 25 100%
Évolution par décennie (% des parties)
Décennie N parties 5…d5 5…d6 5…Bc5 5…Bb4+
1950s 2 50% 50%
1960s 4 25% 50% 25%
1970s 45 84% 13% 2%
1980s 327 94% 3% 3% 0%
1990s 832 92% 3% 3% 1%
2000s 1088 90% 6% 2% 1%
2010s 1131 89% 8% 1% 1%
2020s 231 93% 3% 2% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…d5 89% 93% ▲ +4.0%
5…d6 8% 3% ▼ -4.8%
5…Bc5 1% 2% ▲ +0.8%
5…Bb4+ 1% 1% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 3 parties
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
5…d5 — 90.7% (3319 parties)
1966 — Juhasz, Balazs vs Ramlow, Marcus — 1-0 — Gyongyos op
1972 — Dunkelblum, Arthur vs Bellon Lopez, Juan Manuel — 1/2-1/2 — Caorle zt Caorle ITA
1972 — MacGrillen, Hugh vs Diez del Corral, Jesus — 1/2-1/2 — Skopje MKD
1972 — Panno, Oscar vs Bellon Lopez, Juan Manuel — 1-0 — Palma de Majorca ESP
1974 — Zilberstein, Valery I vs Vladimirov, Yevgeniy — 0-1 — Tbilisi GEO
5…d6 — 5.7% (208 parties)
1955 — Minev, Nikolay N vs Udovcic, Mijo — 1/2-1/2 — Zagreb CRO
1966 — Voiculescu, Paul vs Ungureanu, Emil — 0-1 — Bucharest ROU
1968 — Bosch van Rosenthal, Edzard vs Hartoch, Robert G — 0-1 — Amsterdam NED
1980 — Cabarkapa, Milenko vs Heinich, Manfred — 1/2-1/2 — Noordwijkerhout
1980 — Smith, Murray vs Cowley, Robert — 1/2-1/2 — Adelaide AUS
5…Bc5 — 2.0% (72 parties)
1954 — Rabar, Braslav vs Czerniak, Moshe — 0-1 — Belgrade SRB
1969 — Cebalo, Miso vs Lombardy, William J — 0-1 — Zagreb CRO
1972 — Webb, Samuel vs Farrand, Julian T — 1/2-1/2 — Brighton ch-BCF
1973 — Heim, Sverre vs Buchal, Stephan — 1-0 — Ribe DEN
1975 — Van Herck, Marcel vs Buchal, Stephan — 1-0 — Ostende tt
5…Bb4+ — 0.8% (30 parties)
1979 — Zahilas, Loukas N. vs Alybrantis, N. — 1/2-1/2 — Athens GRE
1982 — Ortega, Lexy vs Estevez De La Pena, Guillermo Santiago — 1-0 — Havana CUB
1990 — Holfelder, Hans-Joachim vs Lueers, Eckhard — 1-0 — ?
1995 — Grey, Frank vs Schermuly, Sabine — 1-0 — Weilburg GER
1995 — Juhasz, Bela vs Gardos, Attila — 1-0 — HUN-chT2 9596