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E12g — Petrosian (1968)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Ba6
Les coups candidats
Ambassadeurs : Bakheet Farag (54x), Pogorelov, Ruslan (23x), Khenkin, Igor (22x), Petran, Pal (22x), Tunik, Gennady (22x), Cebalo, Miso (20x), Timman, Jan H (20x), Szabo, Vilmos (20x)
Ambassadeurs : Cebalo, Miso (10x), Kozul, Zdenko (10x), Romanishin, Oleg M (10x), De Andres Gonalons, Fernando (7x), Adams, Michael (6x), ? (6x), Khenkin, Igor (4x), Bakheet Farag (4x)
5.Qb3 — 5.7% (326 parties)
Ambassadeurs : Bakheet Farag (10x), Zimmerman, Yuri (10x), Riazantsev, Alexander (10x), Kizov, Atanas (7x), Dreev, Aleksey (7x), Barlov, Dragan (6x), Kozul, Zdenko (6x), Jaracz, Pawel (5x)
5.Nbd2 — 3.0% (169 parties)
Ambassadeurs : Browne, Walter Shawn (8x), Rohde, Michael (3x), Miles, Anthony J (3x), Voveris, Gediminas (3x), Aliyev, Ravan (3x), Vaganian, Rafael A (2x), Goodman, David S C (2x), Rashkovsky, Nukhim N (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Qc2 5.e3 5.Qb3 5.Nbd2
<1800 155 75% 14% 2% 2%
1800-2200 1519 78% 11% 4% 3%
2200-2600 3336 75% 11% 7% 3%
2600+ 248 75% 9% 14% 1%
Évolution par décennie (% des parties)
Décennie N parties 5.Qc2 5.e3 5.Qb3 5.Nbd2
1960s 2
1970s 6 50%
1980s 520 78% 11% 2% 5%
1990s 1015 79% 10% 4% 3%
2000s 1947 77% 11% 5% 3%
2010s 1818 73% 12% 8% 2%
2020s 365 73% 12% 8% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Qc2 73% 73% +0.0%
5.e3 12% 12% ▲ +0.7%
5.Qb3 8% 8% -0.4%
5.Nbd2 2% 3% ▲ +0.9%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 8 parties
Anand, Viswanathan — 5 parties
Kramnik, Vladimir — 3 parties
Carlsen, Magnus — 3 parties
Hou, Yifan — 3 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
5.Qc2 — 76.0% (4312 parties)
1980 — Ammann, Philipp vs Kengis, Edvins — 1/2-1/2 — Mexico City MEX
1980 — Gaprindashvili, Nona vs Ioseliani, Nana — 0-1 — Tbilisi GEO
1980 — Frederiksen, Erik vs Ingerslev, Aage — 1/2-1/2 — Denmark ch corr
1980 — Lputian, Smbat vs Beliavsky, Alexander G — 0-1 — Vilnius ch-URS
1980 — Petrosian, Tigran A. vs Korchnoi, Viktor — 1/2-1/2 — Velden cm qf
5.e3 — 11.0% (625 parties)
1979 — Gheorghiu, Florin vs Romanishin, Oleg M — 1/2-1/2 — Riga LAT
1979 — Schmidt, Wlodzimierz vs Ornstein, Axel — 1/2-1/2 — Malmo SWE
1979 — Schussler, Harry vs Neumann, Joachim — 1-0 — It Kiel GER
1980 — Silman, Jeremy vs Adam, Aslam — 1-0 — ?
1980 — Gheorghiu, Florin vs Rajkovic, Dalibor — 1-0 — Lone Pine open
5.Qb3 — 5.7% (326 parties)
1983 — Lputian, Smbat vs Bakheet Farag — 1/2-1/2 — Sarajevo BIH
1983 — Crouch, Colin S vs Plaskett, H James — 0-1 — London ENG
1984 — Crouch, Colin S vs Prutej, Marko — 1-0 — Brighton ch-BCF
1986 — Hansen, Lars Bo vs Agdestein, Simen — 0-1 — Gausdal wch-jr
1986 — Hansen, Lars Bo vs Kruszynski, Wlodzimierz — 1/2-1/2 — Copenhagen DEN
5.Nbd2 — 3.0% (169 parties)
1980 — Vaganian, Rafael A vs Romanishin, Oleg M — 0-1 — Mexico City MEX
1980 — Vaganian, Rafael A vs Rashkovsky, Nukhim N — 1-0 — Sochi RUS
1980 — Vaganian, Irina vs Rashkovsky, Nukhim N — 1-0 — Sochi RUS
1981 — Mishuchkov, Nikolai M. vs Khlusevich, David — 0-1 — Rostov RUS
1982 — Ree, Hans vs Gallego, F — 0-1 — II Cajamadrid