A75h — Classical (1954)
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4 Bg4 11.Bf4 Re8
Les coups candidats
12.Nd2 — 72.0% (278 parties)
Ambassadeurs : Portisch, Lajos (4x), De Firmian, Nick (4x), Szymczak, Zbigniew (4x), Korchnoi, Viktor (3x), Sahovic, Dragutin (3x), Cabrilo, Goran (3x), Naumkin, Igor (3x), Shirov, Alexei (2x)
12.Qc2 — 16.1% (62 parties)
Ambassadeurs : Tal, Mikhail (3x), Eperjesi, Laszlo Dr. (3x), Forintos, Gyozo V (2x), Marcussi, Bartolome J (2x), Lobron, Eric (2x), Anelli, Antonio (2x), Schussler, Harry (2x), Mititelu, Gheorghe (1x)
12.h3 — 11.7% (45 parties)
Ambassadeurs : Uhlmann, Wolfgang (2x), Fischer, Robert J (2x), Vladimirov, Boris T (1x), Yudovich, Mikhail M (1x), Toprover, Viktor G. (1x), Krogius, Nikolai V (1x), Johansson, Martin 1979 (1x), Burehall, Arne (1x)
12.Qd2 — 0.3% (1 parties)
Ambassadeurs : Hauser, Jack (1x), Lukásová, Alena (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12.Nd2 12.Qc2 12.h3 12.Qd2
<1800 7 71% 14% 14%
1800-2200 84 65% 20% 14%
2200-2600 202 73% 15% 11% 0%
2600+ 6 67% 33%
Évolution par décennie (% des parties)
Décennie N parties 12.Nd2 12.Qc2 12.h3 12.Qd2
1950s 1 100%
1960s 7 43% 29% 29%
1970s 40 52% 30% 18%
1980s 126 87% 10% 3%
1990s 67 72% 15% 13%
2000s 73 67% 19% 14%
2010s 60 67% 13% 18% 2%
2020s 12 67% 25% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12.Nd2 67% 67% +0.0%
12.Qc2 13% 25% ▲ +11.7%
12.h3 18% 8% ▼ -10.0%
12.Qd2 2% 0% ▼ -1.7%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Kasparov, Garry — 2 parties
Parties historiques
12.Nd2 — 72.0% (278 parties)
1961 — Stupica, Janez vs Djantar, Djordje — 0-1 — Zagreb CRO
1966 — Portisch, Ferenc vs Portisch, Lajos — 1/2-1/2 — Budapest HUN
1967 — Popov, Luben vs Golz, Werner — 1-0 — Sofia BUL
1971 — Korchnoi, Viktor vs ? — 1-0 — Erevan ARM
1972 — Vranesic, Zvonko vs Wright, John — 1/2-1/2 — Hamilton CAN
12.Qc2 — 16.1% (62 parties)
1960 — Mititelu, Gheorghe vs Forintos, Gyozo V — 1/2-1/2 — Leningrad RUS
1964 — Soos, Bela vs Forintos, Gyozo V — 1/2-1/2 — Sinaia
1970 — Shamkovich, Leonid vs Filipowicz, Andrzej — 1-0 — Polanica Zdroj POL
1971 — Tal, Mikhail vs Stein, Leonid — 1/2-1/2 — Rostov RUS
1971 — Tukmakov, Vladimir B vs Tal, Mikhail — 0-1 — Leningrad ch-URS
12.h3 — 11.7% (45 parties)
1954 — Vladimirov, Boris T vs Yudovich, Mikhail M — 0-1 — URS-ch sf Gorky
1960 — Toprover, Viktor G. vs Krogius, Nikolai V — 1/2-1/2 — Rosja ch
1960 — Johansson, Martin 1979 vs Burehall, Arne — 1/2-1/2 — Stockholm SWE
1970 — Uhlmann, Wolfgang vs Fischer, Robert J — 0-1 — Palma de Majorca ESP
1970 — Uhlmann, Wolfgang vs Fischer, Robert J — 0-1 — Palma de Majorca ESP
12.Qd2 — 0.3% (1 parties)
2012 — Hauser, Jack vs Lukásová, Alena — 1/2-1/2 — ICCF