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C45o — Potter Variation (1954)
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3
Les coups candidats
Ambassadeurs : Sutton, Alan B (35x), Welz, Peter, Dr. (31x), Chylik, Rudolf (23x), Trevis, Robert (18x), Brown, Paul (16x), Amon, Nejc (14x), Kowalska, Elzbieta (13x), Fercec, Nenad (13x)
Ambassadeurs : Romanishin, Oleg M (25x), Kupreichik, Viktor D (7x), Radulov, Ivan (6x), Welz, Peter, Dr. (6x), Solodovnichenko, Yuri (5x), Santo-Roman, Marc (4x), Ozturk Orenli, Kubra (4x), Sturua, Zurab (4x)
5…Be7 — 2.5% (191 parties)
Ambassadeurs : Palmiotto, Fiorentino (2x), Grivas, Efstratios (2x), Weigel, Herbert (2x), Ehrler, Eberhard (2x), Grabarczyk, Miroslaw (2x), Guerrero Sierra, Juan Carlos (2x), Dominguez Rincon, Miller Duvan (2x), Holy, Filip (2x)
5…Qe7 — 0.2% (17 parties)
Ambassadeurs : Cappello, Guido (1x), Delgado, Rafael Bom Jesus (1x), Rodes Apilluelo, Jose Maria (1x), Blanco Bertran, Carlos (1x), Gilmore, Christian Andrew (1x), Stamos, Bill (1x), Schuhen, Michael (1x), Damiani, R. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Bb6 5…Bb4+ 5…Be7 5…Qe7
<1800 766 93% 4% 2% 0%
1800-2200 3134 90% 6% 3% 0%
2200-2600 2500 83% 14% 2%
2600+ 182 80% 20%
Évolution par décennie (% des parties)
Décennie N parties 5…Bb6 5…Bb4+ 5…Be7 5…Qe7
1950s 34 79% 15% 6%
1960s 108 84% 12% 3% 1%
1970s 263 83% 13% 5%
1980s 349 91% 7% 2%
1990s 814 91% 6% 2% 0%
2000s 1316 86% 9% 3% 0%
2010s 3250 87% 10% 3% 0%
2020s 1573 89% 8% 1% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Bb6 87% 89% ▲ +2.1%
5…Bb4+ 10% 8% ▼ -1.2%
5…Be7 3% 1% ▼ -1.1%
5…Qe7 0% 0% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 7 parties
Anand, Viswanathan — 4 parties
Karpov, Anatoly — 3 parties
Tal, Mikhail — 1 partie
Hou, Yifan — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie
Parties historiques
5…Bb6 — 87.8% (6770 parties)
1950 — Goldenov, Boris P vs Tarasov, Vitaly — 0-1 — Kiev UKR
1950 — Kopetzky, Karl vs Michel, Paul — 0-1 — Vienna AUT
1951 — Ivashin, Alexey vs Bannik, Anatolij — 1-0 — Ivanovo
1954 — Troianescu, Octav vs Sandor, Bela — 1-0 — Bucharest ROU
1954 — Martin Gonzalez, Angel vs Kozma, Julius — 0-1 — Oslo NOR
5…Bb4+ — 8.9% (684 parties)
1950 — Estrin, Yakov vs Ravinsky, Grigory — 1/2-1/2 — Moscow RUS
1954 — Petrosian, Tigran V. vs Trifunovic, Petar — 1/2-1/2 — Belgrade SRB
1956 — Khavin, Abram Leonidovich vs Ugolik, Witaly — 1-0 — Kiev UKR
1956 — Klavins, Janis vs Borisenko, Georgy K — 1/2-1/2 — Kharkov UKR
1958 — Haag, Ervin vs Szabo, Laszlo — 0-1 — Budapest HUN
5…Be7 — 2.5% (191 parties)
1954 — Bastrikov, Georgy vs Bannik, Anatolij — 1-0 — Erevan ARM
1955 — Troianescu, Octav vs Dittmann, Sieghart — 1-0 — Erfurt GER
1961 — Padevsky, Nikola vs Szily, Jozsef — 1-0 — Debrecen HUN
1962 — Bojkovic, Slobodan vs Kozomara, Vladimir — 0-1 — Vrnjacka Banja SRB
1968 — Musil, Vojko vs Saemisch, Friedrich — 1-0 — Buesum GER
5…Qe7 — 0.2% (17 parties)
1968 — Cappello, Guido vs Delgado, Rafael Bom Jesus — 1-0 — Lugano olm
1992 — Schuhen, Michael vs Damiani, R. — 1-0 — Koblenz
1995 — Gilmore, Christian Andrew vs Stamos, Bill — 1-0 — corr IECG 7PSRR
1997 — Rodes Apilluelo, Jose Maria vs Blanco Bertran, Carlos — 1-0 — Zaragoza
2000 — Hanzal, Marek vs Tomes, Vojtech — 1-0 — Frymburk