C93j - 12.Bc2 - Closed, Smyslov (1962)

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C93j — Closed, Smyslov (1962)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Bc2
Les coups candidats
12…Bb7 — 57.7% (221 parties)
Ambassadeurs : Azarov, Sergei (3x), Zaitsev, Alexander (2x), Gligoric, Sofija (2x), Ostermeyer, Peter, Dr. (2x), Shamkovich, Leonid (2x), Kratochvíl, Jan (2x), Brioschi, Camillo (2x), Flecher, Joseph (2x)
12…Bd7 — 30.0% (115 parties)
Ambassadeurs : Geller, Efim P. (5x), Haag, Ervin (3x), Stein, Leonid (2x), Ivanov, Igor V. (2x), Sanakoev, Grigory (2x), Shamkovich, Leonid (1x), Bednarski, Jacek (1x), Kostro, Jerzy (1x)
12…g6 — 6.3% (24 parties)
Ambassadeurs : Xie, Jun (3x), Balashov, Yuri (3x), Piccoli, Fabio Bidart (2x), Sanakoev, Grigory (1x), Jansen, Casey (1x), Ye, Jiangchuan (1x), Djuric, Stefan (1x), Galliamova, Alisa (1x)
12…exd4 — 1.8% (7 parties)
Ambassadeurs : Johannsen, Ingbert (1x), Gruber, Albert (1x), Radovic, Goran (1x), Mitrovic, Goran (1x), Grandelius, Nils (1x), Jahncke, Giso (1x), Perez Ponsa, Federico (1x), Abdulla Hesham Alkhoori (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12…Bb7 12…Bd7 12…g6 12…exd4
<1800 18 67% 17% — —
1800-2200 98 64% 22% 5% 3%
2200-2600 157 49% 36% 11% 3%
2600+ 14 86% 14% — —
Évolution par décennie (% des parties)
Décennie N parties 12…Bb7 12…Bd7 12…g6 12…exd4
1960s 40 50% 42% 2% —
1970s 35 63% 34% — —
1980s 45 49% 44% 2% —
1990s 58 48% 40% 10% —
2000s 77 51% 26% 14% 3%
2010s 90 71% 19% 2% 3%
2020s 38 68% 16% 8% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12…Bb7 71% 68% ▼ -2.7%
12…Bd7 19% 16% ▼ -3.1%
12…g6 2% 8% ▲ +5.7%
12…exd4 3% 5% ▲ +1.9%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 1 partie
Parties historiques
12…Bb7 — 57.7% (221 parties)
1961 — Ajanski, Jordan S vs Filchev, Rusko — 0-1 — Sofia BUL
1962 — Savon, Vladimir vs Krogius, Nikolai V — 1/2-1/2 — Erevan ch-URS
1963 — Filep, Tibor vs Portisch, Lajos — 1/2-1/2 — Budapest HUN
1963 — Bogunovic, Dragan vs Sanakoev, Grigory Konstant'ch — 0-1 — USSR ch-06 6364
1963 — Zaitsev, Alexander vs Sanakoev, Grigory Konstan'ch — 1-0 — 06 ch USSR 6364
12…Bd7 — 30.0% (115 parties)
1962 — Bannik, Anatolij vs Zilber, Israel — 1/2-1/2 — Leningrad RUS
1962 — Keres, Paul Petrovich vs Blatny, Frantisek — 1-0 — Varna BUL
1964 — Parma, Bruno vs Schmidt, Wlodzimierz — 1/2-1/2 — Polanica Zdroj POL
1965 — Dely, Peter vs Sokolov, Vladimir — 1/2-1/2 — Belgrade SRB
1965 — Haag, Ervin vs Polgar, Istvan — 1/2-1/2 — Budapest HUN
12…g6 — 6.3% (24 parties)
1968 — Sanakoev, Grigory vs Jansen, Casey — 1-0 — corr Wch6
1984 — Ye, Jiangchuan vs Djuric, Stefan — 1/2-1/2 — Subotica SRB
1990 — Timoscenko, Gennadij vs Balashov, Yuri — 0-1 — Podolsk RUS
1990 — Timoshenko, Georgy vs Balashov, Yuri — 0-1 — Podolsk tt
1990 — Sion Castro, Marcelino vs Perez, Johnny Jose — 1-0 — Novi Sad SRB
12…exd4 — 1.8% (7 parties)
2002 — Johannsen, Ingbert vs Gruber, Albert — 1-0 — Sparow (13.09.-21.09)
2009 — Radovic, Goran vs Mitrovic, Goran — 1/2-1/2 — Belgrade SRB
2016 — Grandelius, Nils vs Jahncke, Giso — 1/2-1/2 — Denmark
2018 — Perez Ponsa, Federico vs Abdulla Hesham Alkhoori — 0-1 — Batumi GEO
2018 — Pourramezanali, Amirreza vs Sindarov, Javokhir — 1-0 — Hamedan IRI