B58g - 6…e5 7.Nxc6 bxc6 - Boleslavsky Louma Variation

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B58g — Boleslavsky Louma Variation
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nxc6 bxc6
Eval: [+0.15]
Les coups candidats
8.O-O — 63.0% (216 parties)
Ambassadeurs : Kramer, Hanspeter (4x), Barden, Leonard (3x), Bouwmeester, Hans (2x), Kramer, Haije (2x), Lokvenc, Josef (2x), Paoli, Enrico (2x), Penrose, Justin (2x), Mednis, Edmar J (2x)
8.Qd3 — 19.8% (68 parties)
Ambassadeurs : Lanc, Alois (5x), Hort, Vlastimil (4x), Louma, Josef (3x), Acevedo Ortega, Rodrigo Andres (3x), Rabar, Braslav (2x), Foguelman, Alberto (2x), Hýbl, Jaroslav (2x), Winiwarter, Felix (2x)
8.Bg5 — 9.6% (33 parties)
Ambassadeurs : Martin Gonzalez, Angel (1x), Yanofsky, Daniel Abraham (1x), Martin, Raymond (1x), Cunningham, Walter (1x), Forgie, Don (1x), Dodge, Robert (1x), Lopes, Marcelo Ferreira (1x), Della Morte, Pablo (1x)
8.Be3 — 2.9% (10 parties)
Ambassadeurs : Ventimiglia, Charles (2x), Powell, Lisa (1x), Lewis, Scott (1x), Barrett, Trevor (1x), Dethlefsen O (1x), Krueger, Aidan (1x), Bass Stanley (1x), Tyda, Beata (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.O-O 8.Qd3 8.Bg5 8.Be3
<1800 5 100% — — —
1800-2200 115 63% 16% 15% 3%
2200-2600 84 68% 23% 5% —
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8.O-O 8.Qd3 8.Bg5 8.Be3
1940s 9 — 89% 11% —
1950s 39 69% 21% — —
1960s 18 33% 56% 6% —
1970s 10 90% 10% — —
1980s 23 57% 35% — —
1990s 62 68% 10% 11% 6%
2000s 68 66% 12% 15% 6%
2010s 96 60% 19% 14% 2%
2020s 18 89% 6% 6% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O 60% 89% ▲ +28.5%
8.Qd3 19% 6% ▼ -13.2%
8.Bg5 14% 6% ▼ -8.0%
8.Be3 2% 0% ▼ -2.1%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
8.O-O — 63.0% (216 parties)
1951 — Bogoljubow, Efim vs Gligorić, Svetozar — 0-1 — Birmingham ENG
1952 — Morel, Fernand vs Boleslavsky, Isaac — 0-1 — Helsinki olm
1952 — Bergqvist, Nils vs Poulsen, Christian — 1-0 — radio
1952 — Bhend, Edwin vs Kramer, Hanspeter — 1-0 — Helsinki FIN
1953 — Donner, Jan-Hein vs Hein-Trott, H — 1-0 — Beverwijk Beverwijk NED
8.Qd3 — 19.8% (68 parties)
1948 — Louma, Josef vs Kottnauer, Cenek — 0-1 — Bratislava SVK
1948 — Louma, Josef vs Foltys, Jan — 1-0 — Bratislava SVK
1948 — Janosevic, Dragoljub vs Rabar, Braslav — 1/2-1/2 — Belgrade SRB
1949 — Unzicker, Wolfgang vs Kramer, Haije — 1/2-1/2 — Lucerne SUI
1949 — Unzicker, Ferdinand, Dr. vs Rabar, Braslav — 1/2-1/2 — Lucerne SUI
8.Bg5 — 9.6% (33 parties)
1946 — Martin Gonzalez, Angel vs Yanofsky, Daniel Abraham — 0-1 — Arbon
1961 — Martin, Raymond vs Cunningham, Walter — 0-1 — Los Angeles, CA USA
1992 — Scagliarini, V. vs Gramignani, Rita — 0-1 — Formia ch-ITA wmn
1994 — Psychogios, Antonios vs Ferret Diaz, Adria — 0-1 — London ENG
1995 — Forgie, Don vs Dodge, Robert — 0-1 — ?
8.Be3 — 2.9% (10 parties)
1994 — Dethlefsen O vs Krueger, Aidan — 0-1 — GER
1996 — Powell, Lisa vs Lewis, Scott — 1/2-1/2 — corr IECC CL3-MIN
1997 — Ventimiglia, Charles vs Bass Stanley — 1-0 — IECC
1998 — Ventimiglia, Charles vs Barrett, Trevor — 1-0 — ?
2001 — Nagy, Erika-Izabella vs Tutulan, Mihaela — 0-1 — Tusnad