B33b - 6.Nb3 - Open

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B33b — Open
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Qb6 6.Nb3
Les coups candidats
Ambassadeurs : Grivas, Efstratios (133x), Kurajica, Bojan (95x), Rosen, Willy (59x), Da Silva Filho, Alcindo Luz Bastos (57x), Peschardt, Søren (42x), Chirila, Ioan-Cristian (38x), Vokac, Marek (36x), Chen, Yen-Liang Jones (34x)
6…d6 — 1.5% (121 parties)
Ambassadeurs : Li, Bo(GD) (9x), Smith, Jack (3x), Jerry Smith (3x), Orsatti, Felicitas (2x), Cotura Vidal, Lluis (2x), Edmundson, Ed (1x), Saca, Richard (1x), Petersen, Hans (1x)
6…a6 — 0.7% (58 parties)
Ambassadeurs : Nagy, Milan Ing (3x), Ljubisic, Zoran (2x), Siriwardena, D I S (2x), Ristic, Nenad (1x), Nikolic, Stanimir (1x), Strizak, Natasa (1x), Pongrac, L. (1x), Strowski, Yannick (1x)
6…g6 — 0.2% (19 parties)
Ambassadeurs : Ramirez Luzon, Franchesca (2x), Pappier, Carlos German (1x), Rodriguez Camio, A. (1x), De Souza, Airton Ferreira (1x), Mendes, Silvio Luiz Teixeira (1x), Bartel, Mateusz (1x), Gajewski, Grzegorz (1x), Lorenz, Karlheinz (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…e6 6…d6 6…a6 6…g6
<1800 317 94% 3% 1% 0%
1800-2200 2784 96% 2% 1% 0%
2200-2600 4384 99% 1% 0% —
2600+ 98 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 6…e6 6…d6 6…a6 6…g6
1950s 2 — 50% — 50%
1960s 114 99% — — 1%
1970s 101 98% 2% — —
1980s 381 99% 0% 1% —
1990s 1180 97% 1% 1% 1%
2000s 2334 96% 2% 1% 0%
2010s 3281 97% 1% 1% 0%
2020s 821 99% 1% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…e6 97% 99% ▲ +1.3%
6…d6 1% 1% ▼ -0.6%
6…a6 1% 0% -0.4%
6…g6 0% 0% -0.1%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 6 parties
Tal, Mikhail — 3 parties
Kramnik, Vladimir — 3 parties
Botvinnik, Mikhail — 3 parties
Kasparov, Garry — 1 partie
Gukesh D — 1 partie
Parties historiques
6…e6 — 97.3% (7993 parties)
1961 — Pogats, Jozsef Jr. vs Bronstein, David I — 1/2-1/2 — Maroczy mem Budapest HUN
1961 — Savon, Vladimir vs Gusev, Yuri S — 1-0 — URS-ch29 sf Novgorod
1962 — Medina-Garcia, Antonio vs Gilden, Lawrence — 1-0 — San Antonio, TX USA
1962 — Fischer, Robert J vs Benko, Pal — 1/2-1/2 — Stockholm SWE
1962 — Willson, Robert vs Frilling, Frank — 1-0 — Fresno, CA
6…d6 — 1.5% (121 parties)
1957 — Edmundson, Ed vs Saca, Richard — 0-1 — ?
1974 — Berry, Jonathan vs ? — 1-0 — Winnipeg CAN
1978 — Petersen, Hans vs Gonzalez Acosta, Bernal — 1/2-1/2 — Buenos Aires ARG
1987 — Abramson, Horacio vs Herrera, Fernando — 0-1 — San Martin City ARG
1996 — Bueno, Padilla F vs Ramos Vega, Diego Sebastian — 1-0 — ?
6…a6 — 0.7% (58 parties)
1981 — Ristic, Nenad vs Nikolic, Stanimir — 0-1 — Smederevska Palanka
1989 — Strizak, Natasa vs Pongrac, L. — 1-0 — Pula CRO
1992 — Hansen, Svend Erik vs Hansen, Arve Nils — 1-0 — Hammerfest
1993 — Strowski, Yannick vs Jaze, Christophe — 0-1 — Lyon op Lyon FRA
1994 — Mueller, Leonhard vs Maag, Rene — 1-0 — Zurich SUI
6…g6 — 0.2% (19 parties)
1952 — Pappier, Carlos German vs Rodriguez Camio, A. — 1-0 — Rosario ARG
1967 — De Souza, Airton Ferreira vs Mendes, Silvio Luiz Teixeira — 1/2-1/2 — Sao Paulo BRA
1990 — Lorenz, Karlheinz vs Gustavsson, Jan — 1-0 — ?
1996 — Jayden Zhang vs Mamedova, Zukhra — 1-0 — Cala Galdana WYCF g10
1996 — Grenner, Franz vs Rohrbacher, Walter — 0-1 — ?