B58g - 7…bxc6 - Boleslavsky, Louma Variation (1946)

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B58g — Boleslavsky, Louma Variation (1946)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nxc6 bxc6
Les coups candidats
8.O-O — 64.5% (220 parties)
Ambassadeurs : Kramer, Haije (4x), Barden, Leonard (3x), Penrose, Jonathan (2x), Paoli, Enrico (2x), Noradounghian, Georges (2x), Mednis, Edmar J (2x), Bouwmeester, Hans (2x), Pilnik, Herman (2x)
8.Qd3 — 17.6% (60 parties)
Ambassadeurs : Lanc, Alois (5x), Hort, Vlastimil (4x), Ortega, Rogelio (3x), Hýbl, Jaroslav (2x), Faleg, Alberto (2x), Geller, Efim P. (2x), Kiolbasa, Oliwia (2x), Pytlakowski, Andrzej (1x)
8.Bg5 — 10.0% (34 parties)
Ambassadeurs : Orlov, Vassily (2x), Aseev, Konstantin N (2x), Martin, Raymond (1x), Cunningham, Walter (1x), Psychogios, Antonios (1x), Ferret, Clement (1x), Scagliarini, Valentina (1x), Gramignani, Rita (1x)
8.f4 — 2.9% (10 parties)
Ambassadeurs : Bialas, Wolfram (2x), Ritz, Thomas (2x), Kovalev, Andrei (2x), Poulsen, Christian (1x), Andersen, Borge (1x), Maier, Adrian (1x), Burstein, S. (1x), Ramm, Wilhelm (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.O-O 8.Qd3 8.Bg5 8.f4
<1800 21 57% 14% 24% —
1800-2200 135 63% 13% 15% 3%
2200-2600 79 70% 22% 6% 1%
2600+ 1 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8.O-O 8.Qd3 8.Bg5 8.f4
1950s 37 68% 22% — 11%
1960s 17 35% 53% 6% 6%
1970s 10 90% 10% — —
1980s 23 57% 35% — 4%
1990s 63 67% 10% 13% 3%
2000s 69 67% 12% 14% 1%
2010s 96 60% 19% 14% —
2020s 26 81% 8% 8% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O 60% 81% ▲ +20.4%
8.Qd3 19% 8% ▼ -11.1%
8.Bg5 14% 8% ▼ -5.8%
8.f4 0% 4% ▲ +3.8%
Parties historiques
8.O-O — 64.5% (220 parties)
1951 — Bogoljubow, Efim vs Gligoric, Sofija — 0-1 — Birmingham ENG
1952 — Morel, Fernand vs Boleslavsky, Isaac — 0-1 — Helsinki olm
1952 — Bhend, Edwin vs Kramer, Haije — 1-0 — Helsinki olm
1952 — Bergqvist, Nils vs Poulsen, Christian — 1-0 — radio
1953 — Vasconcellos, Fernando O vs Gligoric, Svetozar — 0-1 — Rio de Janeiro BRA
8.Qd3 — 17.6% (60 parties)
1950 — Pytlakowski, Andrzej vs Taimanov, Mark — 0-1 — It Schiavno Zdroj POL
1951 — Samarian, Sergiu vs Pietzsch, Wolfgang — 0-1 — Bucharest ROU
1952 — Sandor, Tamas vs Yibor, K — 1-0 — EU/M corr
1954 — Walther, Edgar vs Eken, Max — 1/2-1/2 — Zurich SUI
1955 — Skacel, Jan vs Kozma, Julius — 1/2-1/2 — Prague CZE
8.Bg5 — 10.0% (34 parties)
1961 — Martin, Raymond vs Cunningham, Walter — 0-1 — Los Angeles, CA USA
1992 — Scagliarini, Valentina vs Gramignani, Rita — 0-1 — Formia ch-ITA wmn
1994 — Psychogios, Antonios vs Ferret, Clement — 0-1 — London ENG
1995 — Forgie, Don vs Dodge Robert — 0-1 — ?
1996 — Orlov, Vassily vs Aseev, Konstantin N — 0-1 — St Petersburg RUS
8.f4 — 2.9% (10 parties)
1954 — Burstein, S. vs Ramm, Wilhelm — 1/2-1/2 — Amsterdam olm
1954 — Darga, Klaus vs Kramer, Haije — 0-1 — Amsterdam olm
1955 — Bialas, Wolfram vs Maier, Adrian — 1/2-1/2 — FRG Tch
1956 — Poulsen, Christian vs Andersen, Borge — 1/2-1/2 — Copenhagen DEN
1960 — Bialas, Wolfram vs Boleslavsky, Isaac — 1/2-1/2 — Hamburg GER