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B50i —
1.e4 c5 2.Nf3 d6 3.Nc3
Les coups candidats
Ambassadeurs : Mamedov, Rauf (51x), Kupreichik, Viktor D (46x), Movsesian, Sergei (32x), Hauser, Siegfried (29x), Ostos, Julio Eduardo (26x), Davidson, Jamie P (23x), Vasiukov, Evgeni (22x), Janisch, Manfred (22x)
3…Nc6 — 18.2% (3435 parties)
Ambassadeurs : Kupreichik, Viktor D (20x), Vasiukov, Evgeni (12x), Galego, Luis (10x), Miles, Anthony J (8x), Parma, Bruno (8x), Westerinen, Heikki M.J. (8x), Movsesian, Sergei (8x), Gyimesi, Jen (7x)
3…a6 — 13.9% (2630 parties)
Ambassadeurs : Browne, Walter Shawn (10x), Popovic, Petar (10x), Mestel, A Jonathan (10x), Matikozian, Andranik (10x), Goncharenko, Georgy (10x), Tatai, Stefano (9x), ? (9x), Parma, Bruno (8x)
3…g6 — 3.2% (596 parties)
Ambassadeurs : Brodie, Hugh (3x), Whiteley, Andrew J (3x), Boonen, Piet (3x), Osterkamp Johannes (3x), Zentgraf, Robert (3x), Kahn, Evarth Dr. (3x), Matikozian, Andranik (3x), Healey, Michael W (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…Nf6 3…Nc6 3…a6 3…g6
<1800 1028 54% 22% 12% 5%
1800-2200 5375 60% 18% 12% 3%
2200-2600 6333 62% 14% 18% 1%
2600+ 363 70% 10% 17% 0%
Évolution par décennie (% des parties)
Décennie N parties 3…Nf6 3…Nc6 3…a6 3…g6
1840s 1
1920s 1 100%
1930s 11 55% 18%
1940s 11 73% 9% 9%
1950s 28 61% 18% 7% 4%
1960s 172 55% 13% 19% 5%
1970s 673 36% 20% 31% 3%
1980s 528 48% 18% 20% 4%
1990s 2825 54% 23% 11% 5%
2000s 5784 58% 20% 12% 4%
2010s 6567 61% 17% 14% 2%
2020s 2272 67% 12% 15% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…Nf6 61% 67% ▲ +6.1%
3…Nc6 17% 12% ▼ -4.7%
3…a6 14% 15% ▲ +1.1%
3…g6 2% 1% ▼ -1.3%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 8 parties
Anand, Viswanathan — 7 parties
Carlsen, Magnus — 7 parties
Hou, Yifan — 5 parties
Gukesh D — 5 parties
Kramnik, Vladimir — 3 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties
Karpov, Aleksandr — 1 partie
Euwe, Max — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
3…Nf6 — 58.5% (11040 parties)
1929 — Bogoljubow, Efim vs Canal, Esteban — 1/2-1/2 — Carlsbad CZE
1930 — Vistaneckis, Isakas vs Van den Bosch, Johannes — 1/2-1/2 — Hamburg GER
1930 — Lafora, Carlos vs Van den Bosch, Johannes — 0-1 — Hamburg GER
1931 — Yates, Frederic D vs Noteboom, Daniel — 1/2-1/2 — Prague CZE
1937 — Rabinovich, Ilya Mar vs Kan, Ilya A — 1-0 — Tbilisi ch-URS
3…Nc6 — 18.2% (3435 parties)
1948 — Pocknell, Audrey vs Craker, Jean — 1-0 — London, St. Bride's Institute
1950 — Tartakower, Savielly vs Newman Caceres, Reynaldo Adolfo — 1/2-1/2 — Southsea ENG
1951 — Grob, Henry vs Paoli, Enrico — 1/2-1/2 — Bad Pyrmont GER
1957 — Keres, Paul vs Acosta Cuellar, Juan Martin — 1-0 — Mar del Plata ARG
1958 — Tarazi, Andre vs Borja, Meliton — 0-1 — Munich olm fin-C
3…a6 — 13.9% (2630 parties)
1950 — Reshevsky, Samuel vs Dygert, Bert — 0-1 — Springfield,MA simul
1958 — Denis Francisco vs Munoz, Francisco — 0-1 — Bogota COL
1960 — Arias Gordon, Juan Antonio vs Bender, Albrecht — 0-1 — Fresno, CA
1960 — Cucka, Josef vs Hort, Vlastimil — 1/2-1/2 — Ostrava CZE
1962 — Danilov, George vs Witt, Laszlo — 0-1 — Ottawa CAN
3…g6 — 3.2% (596 parties)
1937 — Zawadzki, Stanislaw vs Friedmann Henryk — 1-0 — Jurata ch POL
1938 — Pilnik, Herman vs Iliesco, Juan — 1-0 — Argentina
1940 — Krticka F vs Foltys, Jan — 1/2-1/2 — Rakovnik
1951 — Richter Becerra, Hans vs Achatz Karl Hans — 1-0 — Leipzig GER
1960 — Bartlett, Jeffrey T vs Collins, Richard Arnold — 1-0 — Hayes