C57h — Ulvestad Variation
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5
Eval: [+0.50]
Les coups candidats
6.Bf1 — 52.2% (1066 parties)
Ambassadeurs : Leisebein, Peter (25x), Wiesinger, Johann (17x), Karpatchev, Aleksandr (11x), Vujosevic, Vladimir (8x), Grott, Peter (7x), Roscher, Jonathan (6x), Baer, Horst Hugo (6x), Krueger, Hilmar (6x)
6.Bxb5 — 27.7% (565 parties)
Ambassadeurs : Havlik, Jan (3x), Vrany, J. (3x), Davila Liceaga, Josue Hiram (3x), Mikolajewski, Armin (3x), Kan, Ilya A (2x), Konstantinopolsky, Alexander (2x), Knorr Bernd (2x), Ziese, Gerhard (2x)
6.dxc6 — 11.1% (227 parties)
Ambassadeurs : Leisebein, Peter (3x), Hector, Jonny (2x), Krongraf, Henryk (2x), Gysi, Adolf (2x), Lazovic, Gordan (2x), Kajan, Milan (2x), Swinkels, Robin (2x), Basson, Heinrich (2x)
6.Bb3 — 5.8% (119 parties)
Ambassadeurs : Hunko, Gyorgy (2x), Corredor Castellanos, Camilo (2x), Martinez, A. (1x), Abasto Garcia, Eric (1x), Ocock David (1x), Barker Altamirano, Even (1x), Kovar, Karel (1x), Chura, Jan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Bf1 6.Bxb5 6.dxc6 6.Bb3
<1800 103 40% 26% 16% 14%
1800-2200 733 50% 29% 11% 6%
2200-2600 390 74% 15% 8% 2%
2600+ 4 100%
Évolution par décennie (% des parties)
Décennie N parties 6.Bf1 6.Bxb5 6.dxc6 6.Bb3
1940s 12 42% 50% 8%
1950s 21 76% 14% 10%
1960s 35 57% 34% 9%
1970s 68 76% 16% 4% 1%
1980s 138 65% 23% 6% 1%
1990s 460 48% 34% 11% 4%
2000s 637 45% 30% 14% 8%
2010s 518 50% 26% 13% 7%
2020s 152 76% 12% 4% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Bf1 50% 76% ▲ +25.9%
6.Bxb5 26% 12% ▼ -13.4%
6.dxc6 13% 4% ▼ -9.4%
6.Bb3 7% 5% ▼ -1.7%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 2 parties
Gukesh D — 1 partie
Parties historiques
6.Bf1 — 52.2% (1066 parties)
1941 — Pinkus, Albert vs Bernstein, Sidney — 1-0 — Ventnor City
1945 — Berliner, Hans vs Ponce Lopez, Miguel — 1-0 — ?
1949 — De Paoli, Emilio vs Ojanen, Kaarle S — 1-0 — Trencianske Teplice SVK
1949 — Senneck, Francis Harry vs Roycroft, Arthur John — 0-1 — Felixstowe
1949 — Kopylov, Igor vs Ravinsky, Grigory — 1/2-1/2 — Leningrad RUS
6.Bxb5 — 27.7% (565 parties)
1945 — Kan, Ilya A vs Konstantinopolsky, Alexander — 1/2-1/2 — Moskou ch-URS
1945 — Kan, Ilya A vs Konstantinopolsky, Alexander — 1/2-1/2 — Ch URS Moscow RUS
1947 — Paoli, Enrico vs Cenni, Giovanni — 0-1 — Rome ITA
1948 — Whitehead, Chris vs Hemphill, Jim — 0-1 — cr.
1949 — Martin, Raymond vs Levin, Eugene — 0-1 — Hollywood, CA
6.dxc6 — 11.1% (227 parties)
1945 — Mieses, Jacques vs Steiner, Heinrich Jun. — 0-1 — Hastings ENG
1951 — Kerpel, CD. vs Hoogendoorn, Pank — 1-0 — Netherlands tt
1957 — Boehnisch, Manfred vs Reich, Jens — 0-1 — Ruhla
1963 — Burger, PJ vs Sweiburg — 0-1 — cr
1964 — Burger, Karl vs Zweiburg — 0-1 — Corr cr.
6.Bb3 — 5.8% (119 parties)
1978 — Ocock David vs Barker Altamirano, Even — 0-1 — Columbus,OH op
1987 — Martinez, A. vs Abasto Garcia, Eric — 1-0 — Albacete ESP
1990 — Calero Alba, Elias vs Buyuk, Elvin Esma — 1-0 — Zaragoza
1990 — Merlini, Marco vs Minieri, Filippo — 1-0 — Tr Lombardia
1992 — Houli, H. vs Samuelsson, Lena — 1/2-1/2 — Manila PHI