B33b - 5.Nc3 Qb6 - Open (1963)

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B33b — Open (1963)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Qb6
Les coups candidats
Ambassadeurs : Tuominen, Tanja (13x), Salinnikov, Denis Y. (9x), Reshko, Aron (7x), Belic, Milovan (5x), Temanlis, Yoel (5x), Polgar, Istvan (4x), Anastasian, Ashot (4x), Kononenko, Dmitry (4x)
6.Be3 — 9.8% (69 parties)
Ambassadeurs : Tuominen, Tanja (2x), Niro, Raffaele (2x), Percze, Raymond (2x), Dekany, Lajos (2x), Barry Dickson (1x), Orchoff (1x), Vitolinsh, Alvis (1x), Akopian, Vladimir (1x)
6.Nxc6 — 5.5% (39 parties)
Ambassadeurs : Smith, Jack (4x), Chen, Yen-Liang Jones (2x), Sedova, Evgenia (2x), Shawns, D. (1x), Duchesne, Raymond (1x), Burns, George (1x), Clayton, Darin (1x), Kahn, Manfred (1x)
6.Ndb5 — 1.7% (12 parties)
Ambassadeurs : Lukovnikov, Alexander (2x), Haririan, Bijan (1x), Naugle, K. (1x), Kriz, Miroslav (1x), Petrik, Stanislav (1x), Wegemund, Hubert (1x), Stock, Ulrich (1x), Hobbs, Richard (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Nb3 6.Be3 6.Nxc6 6.Ndb5
<1800 39 67% 10% 18% 3%
1800-2200 272 87% 6% 5% 2%
2200-2600 253 83% 12% 3% 1%
2600+ 5 80% 20% — —
Évolution par décennie (% des parties)
Décennie N parties 6.Nb3 6.Be3 6.Nxc6 6.Ndb5
1950s 1 100% — — —
1960s 18 89% 6% — —
1970s 18 89% 6% 6% —
1980s 31 71% 13% 10% 3%
1990s 170 86% 8% 4% 1%
2000s 265 82% 9% 6% 2%
2010s 183 79% 13% 5% 2%
2020s 19 79% 5% 11% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Nb3 79% 79% +0.3%
6.Be3 13% 5% ▼ -7.9%
6.Nxc6 5% 11% ▲ +5.6%
6.Ndb5 2% 5% ▲ +3.6%
Parties historiques
6.Nb3 — 81.8% (577 parties)
1957 — Edmundson, Ed vs Saca, Richard — 0-1 — ?
1962 — Khasin, Abram vs Kirillov, Vladimir — 1-0 — Minsk BLR
1963 — Blatny, Frantisek vs Smejkal, Jan — 1/2-1/2 — Telnice/Usti
1964 — Altschul, Milos vs Smejkal, Jan — 0-1 — Brno CZE
1964 — Kalatozishvili, Guram vs Reshko, Aron — 1-0 — URS-chT sf Baku AZE
6.Be3 — 9.8% (69 parties)
1963 — Barry Dickson vs Orchoff — 1-0 — cr.
1970 — Castelli, Abele vs Agdamus, Jose Luis — 1/2-1/2 — Buenos Aires FANEBA
1980 — Dorin, J. vs Chen, Yen-Liang Jones — 1-0 — Pasadena, CA USA
1983 — Velimirovic, Dragoljub vs Urosevic, Radojko — 1-0 — Bela Crkva open
1988 — Neelakantan, Narayanan vs Nagendra, Rentala — 1-0 — Indianapolis, IN USA
6.Nxc6 — 5.5% (39 parties)
1979 — Kahn, Manfred vs Jones, Curt — 0-1 — ?
1982 — Shawns, D. vs Chen, Yen-Liang Jones — 1-0 — Baltimore-Washington
1982 — Duchesne, Raymond vs Chen, Yen-Liang Jones — 1/2-1/2 — Donald Byrne Memorial
1985 — Burns, George vs Clayton, Darin — 1-0 — ?
1994 — Meisels, Guido vs Leirich, Thomas — 0-1 — Erlangen
6.Ndb5 — 1.7% (12 parties)
1988 — Haririan, Bijan vs Naugle, K. — 0-1 — Billerica,MA
1993 — Wegemund, Hubert vs Stock, Ulrich — 0-1 — Landes-Einzelmeister
1995 — Kriz, Miroslav vs Petrik, Stanislav — 1-0 — Slovakia
2000 — Hobbs, Richard vs Wood, Walter H Dr — 0-1 — Berkeley, CA
2002 — Gronroos, Matti vs Tuominen, Tanja — 0-1 — Heinola