C09k - 9…Bb6 - Tarrasch, Open, Main Line (1939)

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C09k — Tarrasch, Open, Main Line (1939)
1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6 6.Bb5 Bd6 7.O-O Ne7 8.dxc5 Bxc5 9.Nb3 Bb6
Les coups candidats
10.Re1 — 51.6% (416 parties)
Ambassadeurs : Casper, Thomas (23x), Kuhn, Norbert (9x), Shtyrenkov, Veniamen (8x), ? (7x), Berelowitsch, Alexander (7x), Kekki, Jorma (6x), Lputian, Smbat (4x), Jansa, Vlastimil (4x)
10.c3 — 11.8% (95 parties)
Ambassadeurs : Kekki, Jorma (6x), Walther, Edgar (2x), Rivas Pastor, Manuel (2x), Bogdanovic, Rajko (1x), Gligoric, Svetozar (1x), Witkowski, Stefan (1x), Florian, Tibor (1x), De Souza Mendes, Joao (1x)
10.Be3 — 10.4% (84 parties)
Ambassadeurs : Ivkov, Borislav (6x), Krogius, Nikolai V (4x), Ciric, Dragoljub M (3x), Matanovic, Aleksandar (3x), ? (3x), Goldenov, Boris P (2x), Rossolimo, Nicolas (2x), Gligorić, Svetozar (2x)
10.Bg5 — 10.2% (82 parties)
Ambassadeurs : Casper, Thomas (4x), Kekki, Jorma (4x), Vogt, Lothar (3x), Radulov, Ivan (2x), Heil, Siegfried (2x), Bobotsov, Milko G (1x), Petersson, Kjell (1x), Sandberg, Ulf (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Re1 10.c3 10.Be3 10.Bg5
<1800 25 64% 4% — 4%
1800-2200 226 46% 17% 4% 14%
2200-2600 376 58% 12% 6% 10%
2600+ 12 67% — 17% 8%
Évolution par décennie (% des parties)
Décennie N parties 10.Re1 10.c3 10.Be3 10.Bg5
1950s 16 — 25% 75% —
1960s 35 20% 3% 71% —
1970s 84 46% 7% 17% 18%
1980s 100 53% 12% 11% 10%
1990s 151 56% 13% 7% 7%
2000s 185 61% 10% 5% 12%
2010s 179 54% 13% 1% 12%
2020s 56 41% 18% 2% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Re1 54% 41% ▼ -12.6%
10.c3 13% 18% ▲ +4.4%
10.Be3 1% 2% ▲ +1.2%
10.Bg5 12% 7% ▼ -4.6%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 3 parties
Tal, Mikhail — 1 partie
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
10.Re1 — 51.6% (416 parties)
1968 — Penrose, Jonathan vs Keene, Raymond D — 1/2-1/2 — Bristol ch-BCF
1968 — Geller, Efim P. vs Spassky, Boris Vasily — 1/2-1/2 — Sukhumi GEO
1968 — Ostojic, Predrag vs Diaz, Joaquin, Dr. — 1-0 — Havana CUB
1968 — Tate, Les S vs Thomas, Richard Huw — 1-0 — Bristol ch-BCF
1968 — Hartston, William R vs Whiteley, Andrew Jonathan — 1/2-1/2 — Southend
10.c3 — 11.8% (95 parties)
1953 — Bogdanovic, Rajko vs Gligoric, Svetozar — 1/2-1/2 — YUG
1953 — Milic, Borislav vs Kupper, Josef — 1-0 — Vienna AUT
1958 — Walther, Edgar vs Pereira, Renato Cardoso — 1-0 — Munich GER
1959 — De Souza Mendes, Joao vs Letelier Martner, Rene — 1/2-1/2 — Santiago CHI
1962 — Witkowski, Stefan vs Florian, Tibor — 1/2-1/2 — Budapest HUN
10.Be3 — 10.4% (84 parties)
1950 — Rossolimo, Nicolas vs Gligoric, Sofija — 1/2-1/2 — Mar del Plata ARG
1950 — Nemec, Janez vs Kukovec, Ivan — 0-1 — Maribor
1951 — Aguero, Cruz vs Barker, Malcolm Neil — 1/2-1/2 — Birmingham/Coventry
1951 — Rossetto, Hector vs Esposito, Alfredo — 1-0 — Mar del Plata ARG
1951 — Gligoric, Svetozar vs Matanovic, Aleksandar — 1/2-1/2 — Zonal Bad Pyrmont GER
10.Bg5 — 10.2% (82 parties)
1970 — Lechtynsky, Jiri vs Fichtl, Jiri — 1/2-1/2 — Havirov CZE
1970 — Kurajica, Bojan vs Donner, Jan-Hein — 0-1 — Wijk aan Zee NED
1972 — Radulov, Ivan vs Bobotsov, Milko G — 1/2-1/2 — Sofia BUL
1972 — Gallmeyer, Peter vs Vester, Finn — 1/2-1/2 — Denmark ch corr
1972 — Kestler, Hans-Guenther vs Heil, Siegfried — 1/2-1/2 — Oberursel