A79e - 11…Nc7 12.a4 Nd7 - Classical, Main Line (1959)

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A79e — Classical, Main Line (1959)
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 Re8 10.Nd2 Na6 11.f3 Nc7 12.a4 Nd7
Les coups candidats
13.Nc4 — 48.4% (124 parties)
Ambassadeurs : ? (4x), Hesselbarth, Karlheinz, Dr. (3x), Donner, Jan-Hein (2x), Witkowski, Stefan (2x), Kraidman, Yair (2x), Bulgarini Torre, Marco (2x), Torch (2x), Ree, Hans (1x)
13.Kh1 — 43.4% (111 parties)
Ambassadeurs : Zoll, Detlef (4x), Petran, Pal (2x), Karnar, Marijan (2x), Popov, Luben (2x), Cherek, Mateusz (2x), Cosulich, Roberto (2x), Oleksiyenko, Mykhaylo (2x), Sriram, Jha (2x)
13.f4 — 4.3% (11 parties)
Ambassadeurs : Enevoldsen, Jens (1x), Jakobsen, Ole (1x), Zheliandinov, Viktor (1x), Adamski, Jan (1x), Furman, Semyon (1x), Tal, Mikhail (1x), Mecking, Henrique (1x), Sumiacher, Carlos (1x)
13.Ra3 — 1.6% (4 parties)
Ambassadeurs : Kryukov, Vladimir (2x), Sorokin, Garald K. (1x), Sorokin, Adones (1x), Starek, Stanislav (1x), Siembab, Bartosz (1x), Bondarenko, Ivan (1x), Pershin, Denis (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 13.Nc4 13.Kh1 13.f4 13.Ra3
<1800 7 29% 57% 14% —
1800-2200 67 43% 49% 1% 3%
2200-2600 101 53% 39% 5% 1%
2600+ 6 33% 67% — —
Évolution par décennie (% des parties)
Décennie N parties 13.Nc4 13.Kh1 13.f4 13.Ra3
1950s 1 — — 100% —
1960s 22 86% — 9% —
1970s 52 48% 38% 6% 2%
1980s 29 52% 45% — 3%
1990s 17 53% 35% 12% —
2000s 69 41% 55% 3% —
2010s 58 34% 59% 2% 3%
2020s 8 100% — — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
13.Nc4 34% 100% ▲ +65.5%
13.Kh1 59% 0% ▼ -58.6%
13.f4 2% 0% ▼ -1.7%
13.Ra3 3% 0% ▼ -3.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Kramnik, Vladimir — 2 parties
Parties historiques
13.Nc4 — 48.4% (124 parties)
1960 — Kryukov, Vladimir vs Koblents Aleksandrs N — 1-0 — ?
1962 — Uhlmann, Wolfgang vs Portisch, Lajos — 0-1 — Budapest HUN
1964 — Donner, Jan-Hein vs Hein-Letelier Martner, Rene — 1-0 — Havana Cap-mem
1966 — Aguilar Flores, Julio Alexis vs Carvajal Montoya, Juan Camilo — 1/2-1/2 — La Habana olm fin-D
1967 — Bukic, Enver vs Tal, Mikhail — 1-0 — Budva MNE
13.Kh1 — 43.4% (111 parties)
1970 — Miguel, Nahuel vs Levy, David N L — 1-0 — Siegen olm
1970 — Platonov, Igor vs Savon, Vladimir — 0-1 — Riga ch-URS
1970 — Popov, Luben Stojanov vs Cosulich, Roberto — 1/2-1/2 — Reggio nell'Emilia ITA
1970 — Popov, Luben vs Cosulich, Roberto — 1/2-1/2 — Reggio Emilia ITA
1971 — Middendorf, Ferdinand vs Wittmann, Rainer — 0-1 — Bottrop
13.f4 — 4.3% (11 parties)
1959 — Furman, Semyon vs Tal, Mikhail — 1/2-1/2 — Tbilisi ch-URS
1967 — Zheliandinov, Viktor vs Adamski, Jan — 0-1 — Havana CUB
1969 — Enevoldsen, Jens vs Jakobsen, Ole — 1/2-1/2 — Copenhagen DEN
1971 — Mecking, Henrique vs Sumiacher, Carlos — 1/2-1/2 — Mar del Plata ARG
1972 — Rytov, Boris vs Titenko, Igor M. — 1-0 — Vilnius LTU
13.Ra3 — 1.6% (4 parties)
1977 — Kryukov, Vladimir vs Sorokin, Garald K. — 1/2-1/2 — ?
1983 — Kryukov, Vladimir vs Sorokin, Adones — 1/2-1/2 — corr WER/K
2013 — Starek, Stanislav vs Siembab, Bartosz — 0-1 — Olomouc CZE
2017 — Bondarenko, Ivan vs Pershin, Denis — 0-1 — St Petersburg RUS