A79b - 11…Nc7 - Classical, Main Line (1968)

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A79b — Classical, Main Line (1968)
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
Les coups candidats
Ambassadeurs : Matulovic, Milan (10x), Janosevic, Dragoljub (10x), ? (10x), Gligoric, Sofija (8x), Donner, Jan-Hein (7x), Vranesic, Zvonko (7x), Beliavsky, Alexander G (6x), Kraidman, Yair (5x)
12.Kh1 — 2.3% (24 parties)
Ambassadeurs : Bukic, Enver (2x), Pacl, Vaclav (2x), Campelli, Cris (2x), O'Kelly de Galway, Alberic (2x), Dydyshko, Viacheslav (2x), Kapengut, Albert (2x), Nicevski, Risto (1x), Janosevic, Dragoljub (1x)
12.Nc4 — 0.3% (3 parties)
Ambassadeurs : Wieder, Heiner (1x), Christoffel, Ulrich (1x), Markert, Malte, Dr. (1x), Geveke, Michael (1x), Mohamed Saeed Laily (1x), Kevlishvili, Nika (1x)
12.Qb3 — 0.2% (2 parties)
Ambassadeurs : Meza, Hector (2x), Acosta, Manteca (1x), Acosta, M ARG. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12.a4 12.Kh1 12.Nc4 12.Qb3
<1800 25 92% — 4% —
1800-2200 259 97% 2% 0% 1%
2200-2600 460 97% 3% 0% —
2600+ 8 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 12.a4 12.Kh1 12.Nc4 12.Qb3
1950s 4 100% — — —
1960s 77 96% 3% — —
1970s 175 95% 5% — —
1980s 189 96% 4% — —
1990s 139 97% 2% 1% —
2000s 215 96% 1% 0% 1%
2010s 158 99% 1% 1% —
2020s 78 100% — — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12.a4 99% 100% ▲ +1.3%
12.Kh1 1% 0% ▼ -0.6%
12.Nc4 1% 0% ▼ -0.6%
12.Qb3 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Kramnik, Vladimir — 2 parties
Carlsen, Magnus — 1 partie
Hou, Yifan — 1 partie
Parties historiques
12.a4 — 96.9% (1003 parties)
1955 — Birbrager, Isaak vs Tal, Mikhail — 1/2-1/2 — Voroshilovgrad
1959 — Niphauz vs Bialas, Adrian — 0-1 — BRD ch
1959 — Furman, Semyon vs Tal, Mikhail — 1/2-1/2 — Tbilisi ch-URS
1959 — Niephaus, Walter vs Bialas, Wolfram — 0-1 — FRG-ch Nuerenberg GER
1960 — Kryukov, Vladimir vs Koblents Aleksandrs N — 1-0 — ?
12.Kh1 — 2.3% (24 parties)
1969 — Bukic, Enver vs Nicevski, Risto — 1/2-1/2 — Yugoslavia
1969 — Bukic, Enver vs Janosevic, Dragoljub — 1/2-1/2 — Belgrade SRB
1970 — O'Kelly de Galway, Alberic vs Damjanovic, Mato — 1-0 — Bad Pyrmont GER
1971 — Tukmakov, Vladimir B vs Gliksman, Darko — 1-0 — Liberation tourn
1971 — Ivanov , Ivan St vs Dzhagarov, Roman — 1-0 — Soviet Union
12.Nc4 — 0.3% (3 parties)
1990 — Wieder, Heiner vs Christoffel, Ulrich — 1/2-1/2 — RLPF-chA Polch
2004 — Markert, Malte, Dr. vs Geveke, Michael — 0-1 — GER
2016 — Mohamed Saeed Laily vs Kevlishvili, Nika — 0-1 — Batumi GEO
12.Qb3 — 0.2% (2 parties)
2008 — Acosta, Manteca vs Meza, Hector — 0-1 — Mar del Plata ARG
2008 — Acosta, M ARG. vs Meza, Hector — 0-1 — Mar del Plata ARG