D41m - 5…Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Qa5 - Semi-Tarrasch San Sebastian Variation

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D41m — Semi-Tarrasch San Sebastian Variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Qa5
Les coups candidats
10.Rb1 — 53.2% (168 parties)
Ambassadeurs : Rubinstein, Akiba (3x), Schlechter, Carl (2x), Goregliad, Sergei (2x), Sarmir, Milos (2x), Bernstein, Ossip (1x), Richter, Kurt P (1x), Kohler, Anton (1x), Steiner, Heinrich Jun. (1x)
10.Bxb4 — 16.8% (53 parties)
Ambassadeurs : Kertesz, Alfred (2x), Roedl, Ludwig (1x), Weil, Wolfgang (1x), Winterton, Ken (1x), Rodgers, Ron (1x), Chaplinsky, Edgar (1x), Nikitin, Aleksander S (1x), Ozols, Karlis (1x)
10.a3 — 9.2% (29 parties)
Ambassadeurs : Wendt, Uwe (2x), Bensadon, Rafael (1x), Letelier Martner, Rene (1x), Ducas, J. (1x), De Freitas, Manuela Schmitz (1x), Thurlow, Kevin J (1x), McNaughton, M F. (1x), Avram, Sretko (1x)
10.Bc4 — 7.0% (22 parties)
Ambassadeurs : Domotor, Jozsef (1x), Tivolt, Ferenc (1x), Meister, Jakob (1x), Svonavec, Stefan (1x), Stortz, Marcus (1x), Mattheus Ingomar (1x), Dickau, Daniel (1x), Di Natale Rodolfo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Rb1 10.Bxb4 10.a3 10.Bc4
<1800 22 59% 5% 9% 9%
1800-2200 139 49% 17% 10% 8%
2200-2600 85 66% 18% 5% 5%
Évolution par décennie (% des parties)
Décennie N parties 10.Rb1 10.Bxb4 10.a3 10.Bc4
1900s 1 100% — — —
1910s 2 100% — — —
1930s 8 50% 12% 12% —
1940s 2 100% — — —
1950s 9 67% 11% 11% 11%
1960s 3 67% 33% — —
1970s 4 50% 50% — —
1980s 14 50% 21% 14% —
1990s 49 53% 14% 8% 4%
2000s 95 47% 24% 9% 9%
2010s 113 55% 12% 10% 6%
2020s 16 56% 12% 6% 19%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Rb1 55% 56% ▲ +1.4%
10.Bxb4 12% 12% ▲ +1.0%
10.a3 10% 6% ▼ -3.5%
10.Bc4 6% 19% ▲ +12.6%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 1 partie
Parties historiques
10.Rb1 — 53.2% (168 parties)
1906 — Bernstein, Ossip vs Schlechter, Carl — 1/2-1/2 — Stockholm SWE
1912 — Rubinstein, Akiba vs Rubinstein, Akiba — 1-0 — San Sebastian ESP
1912 — Rubinstein, Akiba vs Schlechter, Carl — 1-0 — San Sebastian ESP
1934 — Reshevsky, Samuel vs Horowitz, Albert Israel — 1-0 — Syracuse
1937 — Keres, Paul Petrovich vs Landau, Salo — 1/2-1/2 — Ostende
10.Bxb4 — 16.8% (53 parties)
1936 — Roedl, Ludwig vs Weil, Wolfgang — 1-0 — Munich GER
1952 — Chaplinsky, Edgar vs Nikitin, Aleksander S — 1/2-1/2 — Riga LAT
1962 — Winterton, Ken vs Rodgers, Ron — 1-0 — Ottawa CAN
1975 — Kertesz, Alfred vs Szabo, Iuliu inactive — 1/2-1/2 — Satu-Mare ROU
1976 — Kertesz, Alfred vs Biriescu, Ioan — 1/2-1/2 — Timisoara
10.a3 — 9.2% (29 parties)
1938 — Bensadon, Rafael vs Letelier Martner, Rene — 0-1 — Montevideo URU
1957 — Ducas, J. vs De Freitas, Manuela Schmitz — 1-0 — Sao Paulo BRA
1981 — Thurlow, Kevin J vs McNaughton, M F. — 1/2-1/2 — Hastings ENG
1985 — Avram, Sretko vs Zipko, Gerhard — 1-0 — Benidorm
1995 — Heuser Philipp vs Goy, Udo — 1/2-1/2 — GER
10.Bc4 — 7.0% (22 parties)
1959 — Domotor, Jozsef vs Tivolt, Ferenc — 1/2-1/2 — Zalaegerszeg
1993 — Meister, Jakob vs Svonavec, Stefan — 1-0 — Hlohovec op
1999 — Stortz, Marcus vs Mattheus Ingomar — 1-0 — Pinneberg
2001 — Bergeron, Florian vs Verma Tony — 1-0 — Toronto CAN
2003 — Dickau, Daniel vs Di Natale Rodolfo — 1-0 — Villa Ballester ARG