C06g - 8…Qb6 - Tarrasch, Closed

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C06g — Tarrasch, Closed
1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 Qb6
Les coups candidats
Ambassadeurs : Gaujens, Artis (36x), Kummerow, Heiko (29x), Simon, Holger (12x), Baranyai, Szabolcs Jr. (12x), Gatto, Claudio (9x), Schmitz, Andreas Arnold (9x), Gutmann, Alois (8x), Bakheet Farag (7x)
Ambassadeurs : Kamp, Christoph (3x), Huber, Gregory (2x), Dighton, Simon (2x), Moroni, Marco (2x), Gazmen, Catalino (2x), Castaldo, Folco Vincenzo (2x), Svidler, Peter (2x), Canfell, Gregory J (2x)
9.Nb3 — 1.7% (49 parties)
Ambassadeurs : Santos Morales, Julio Cesar (2x), Kornrumpf, Joachim (1x), Borngaesser, Rene (1x), Hansen, Berno (1x), Olsen Thorvald (1x), Buff, James (1x), Rice, Ana (1x), Brown, J Hillary (1x)
9.Qb3 — 0.2% (7 parties)
Ambassadeurs : Blagonadeznaia, Idea (1x), Starec, Zdenek (1x), Baumgartner, Jakob (1x), Ruf, Matthias (1x), Mierska, Agnieszka (1x), Wiewiora, Michalina (1x), Gorgoglione, Enrico (1x), Rago, Riccardo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Nf3 9.O-O 9.Nb3 9.Qb3
<1800 171 94% 4% 3% —
1800-2200 1418 95% 3% 2% 0%
2200-2600 816 95% 4% 1% —
2600+ 3 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 9.Nf3 9.O-O 9.Nb3 9.Qb3
1950s 34 97% 3% — —
1960s 22 95% — 5% —
1970s 56 95% — 5% —
1980s 242 95% 3% 1% —
1990s 739 95% 3% 1% 0%
2000s 1097 95% 3% 2% 0%
2010s 696 95% 2% 2% 0%
2020s 77 95% 3% 1% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Nf3 95% 95% -0.2%
9.O-O 2% 3% +0.2%
9.Nb3 2% 1% -0.4%
9.Qb3 0% 1% ▲ +0.9%
Parties historiques
9.Nf3 — 95.0% (2814 parties)
1950 — Schulz, Klaus-Juergen vs Kilda, Aidas — 0-1 — GER
1950 — Honan, Neill Thomas vs Willson, Alan John — 1-0 — Hastings ENG
1952 — Kochan, Fritz vs Koehler, Adalbert — 1/2-1/2 — Guetersloh
1952 — De Souza Mendes, Joao vs Bauza, Lorenzo — 1-0 — Rio de Janeiro BRA
1953 — Franke, Heribert vs Landgraf, Siegfried — 1-0 — FRG-2Cup f corr
9.O-O — 2.9% (85 parties)
1953 — Messa, Roberto vs Crispino, G — 1-0 — ?
1983 — Zahariev, Zahari vs Donchev, Dimitar I. — 1/2-1/2 — BUL-ch Pernik
1987 — Colias, Billy vs Gazmen, Catalino — 1-0 — Chicago, IL USA
1988 — Basanta, Gary vs Russek Libni, Guil — 1-0 — Saint John
1988 — Gollasch, Stefan vs Kamp, Christoph — 0-1 — Aachen GER
9.Nb3 — 1.7% (49 parties)
1969 — Kornrumpf, Joachim vs Borngaesser, Rene — 0-1 — Hamburg GER
1974 — Hansen, Berno vs Olsen Thorvald — 0-1 — Rs-klub
1977 — Buff, James vs Rice, Ana — 1-0 — Berkeley
1977 — Brown, J Hillary vs Griffiths, Peter C — 0-1 — ?
1985 — Franzoni, Giancarlo vs Russek Libni, Guil — 1-0 — Mendoza ARG
9.Qb3 — 0.2% (7 parties)
1990 — Baumgartner, Jakob vs Ruf, Matthias — 1-0 — Moscow RUS
1997 — Blagonadeznaia, Idea vs Starec, Zdenek — 1/2-1/2 — Decin CZE
2008 — Mierska, Agnieszka vs Wiewiora, Michalina — 1/2-1/2 — Leba
2010 — Gorgoglione, Enrico vs Rago, Riccardo — 1/2-1/2 — Senigallia
2010 — Nesovanovic, Miroslav vs Gemovic, Djordje — 1/2-1/2 — Obrenovac SRB