C95i - 13.b4 - Closed, Breyer, Main Line (1966)

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C95i — Closed, Breyer, Main Line (1966)
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 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.b4
Les coups candidats
13…Bf8 — 91.2% (299 parties)
Ambassadeurs : Smejkal, Jan (5x), ? (5x), Vasiukov, Evgeni (4x), Spassky, Boris Vasily (4x), Matanovic, Aleksandar (4x), Parma, Bruno (4x), Browne, Walter Shawn (4x), Karpov, Anatoly (4x)
13…a5 — 4.0% (13 parties)
Ambassadeurs : Suetin, Alexey S (1x), Tringov, Georgi P (1x), Kavalek, Lubomir (1x), Kovacs, Laszlo (1x), Akelo Christine (1x), Larsen, Arne G (1x), ? (1x), Forintos, Gyozo V (1x)
13…exd4 — 2.1% (7 parties)
Ambassadeurs : Vogt, Lothar (2x), Ciric, Dragoljub M (1x), Robatsch, Karl (1x), Orlov, Pavle (1x), Orlov, Vsevolod (1x), Vasiukov, Evgeni (1x), Kostro, Jerzy (1x), Meybohm (1x)
13…c6 — 1.2% (4 parties)
Ambassadeurs : Marcinkiewicz, Dawid (1x), Braune, Andre (1x), Mrva, Martin (1x), Palecek, Petr (1x), Rasanen, Seppo (1x), Niemi, Valio (1x), Williams, Raymond E. (1x), Askelöf, Per (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 13…Bf8 13…a5 13…exd4 13…c6
<1800 8 100% — — —
1800-2200 41 93% 2% — —
2200-2600 111 90% 5% 3% —
2600+ 11 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 13…Bf8 13…a5 13…exd4 13…c6
1960s 16 75% 12% 6% —
1970s 132 91% 5% 2% 1%
1980s 82 93% 4% 1% 2%
1990s 45 98% 2% — —
2000s 20 90% — — 5%
2010s 31 90% 3% 3% —
2020s 2 50% — 50% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
13…Bf8 90% 50% ▼ -40.3%
13…a5 3% 0% ▼ -3.2%
13…exd4 3% 50% ▲ +46.8%
13…c6 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 4 parties
Tal, Mikhail — 3 parties
Karpov, Aleksandr — 1 partie
Parties historiques
13…Bf8 — 91.2% (299 parties)
1966 — Filep, Tibor vs Foldi, Jozsef — 0-1 — Budapest HUN
1966 — Balashov, Yuri vs Podgaets, Mikhail — 0-1 — Moscow RUS
1967 — Kavalek, Lubomir vs Matanovic, Aleksandar — 1/2-1/2 — Sousse TUN
1967 — Ciric, Dragoljub M vs Cuijpers, Frans Andre — 1-0 — It Beverwijk NED
1968 — Diaz, Joaquin, Dr. vs Kholmov, Ratmir D — 0-1 — Havana CUB
13…a5 — 4.0% (13 parties)
1966 — Suetin, Alexey S vs Tringov, Georgi P — 1/2-1/2 — Titovo Uzice
1967 — Kavalek, Lubomir vs Kovacs, Laszlo — 0-1 — Salgotarjan
1971 — ? vs Forintos, Gyozo V — 1/2-1/2 — Wijk aan Zee NED
1971 — Adorjan, Andras vs Manasterski, Lutoslaw — 1-0 — Polanica Zdroj POL
1972 — Kostro, Jerzy vs Kovacs, Laszlo M — 1/2-1/2 — Stary Smokovec SVK
13…exd4 — 2.1% (7 parties)
1967 — Ciric, Dragoljub M vs Robatsch, Karl — 1-0 — Beverwijk NED
1972 — Vasiukov, Evgeni vs Kostro, Jerzy — 1/2-1/2 — Polanica Zdroj POL
1973 — Vogt, Lothar vs Orlov, Pavle — 1-0 — Odessa UKR
1973 — Vogt, Lothar vs Orlov, Vsevolod — 1-0 — ?
1987 — Meybohm vs Andersson, Ulf — 1-0 — corr thematic
13…c6 — 1.2% (4 parties)
1976 — Rasanen, Seppo vs Niemi, Valio — 0-1 — ?
1985 — Marcinkiewicz, Dawid vs Braune, Andre — 1-0 — corr EU
1989 — Mrva, Martin vs Palecek, Petr — 1/2-1/2 — SVK-ch Michalovce
2007 — Williams, Raymond E. vs Askelöf, Per — 1/2-1/2 — ICCF