C91e - 9…Bg4 10.d5 - Closed, Bogoljubow (1930)

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C91e — Closed, Bogoljubow (1930)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.d4 Bg4 10.d5
Les coups candidats
Ambassadeurs : De Coverly, Roger D (33x), Negi, Parimarjan (19x), Khalifman, Alexander (17x), Vogt, Lothar (14x), Beliavsky, Alexander G (14x), Vasiukov, Evgeni (14x), Palkovi, Jozsef (12x), Kamsky, Gata (12x)
10…Nb8 — 6.5% (246 parties)
Ambassadeurs : Rivera, Daniel (3x), Novak, Ervin (2x), Cifuentes, Antonio (2x), Abbasov, Farid (2x), MULLER (2x), Jacimovic, Sara (2x), Klundt, Klaus (2x), Jimenez Zerquera, Eleazar (1x)
10…Na7 — 0.1% (4 parties)
Ambassadeurs : Cornejo Garrido, Jorge (1x), Prado, Juan Hector (1x), Hernandez Garcia, Deyanira Angel (1x), Solis Mendoza, Mariana (1x), Kim, Yana (1x), Shchevjeva, Nadezhda (1x), Lin, Peisen (1x), He, Chenling (1x)
10…Bxf3 — 0.1% (4 parties)
Ambassadeurs : Klundt, Klaus (1x), Vonach, Bernhard, Dr. (1x), Baruffaldi, Giuseppe (1x), Notarnicola, Gianluca (1x), Cmor, Nino (1x), Zajdela, Karel (1x), Sapale Saloni (1x), Bristy Mukherjee (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…Na5 10…Nb8 10…Na7 10…Bxf3
<1800 173 88% 12% — —
1800-2200 1080 89% 11% — 0%
2200-2600 1771 97% 3% — 0%
2600+ 107 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 10…Na5 10…Nb8 10…Na7 10…Bxf3
1950s 47 98% 2% — —
1960s 107 95% 5% — —
1970s 236 97% 3% — —
1980s 366 96% 4% — —
1990s 655 92% 8% 0% —
2000s 1055 93% 7% 0% 0%
2010s 1156 92% 7% 0% 0%
2020s 180 91% 9% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…Na5 92% 91% ▼ -1.4%
10…Nb8 7% 9% ▲ +1.7%
10…Na7 0% 0% -0.1%
10…Bxf3 0% 0% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 4 parties
Carlsen, Magnus — 3 parties
Tal, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Ding, Liren — 2 parties
Hou, Yifan — 2 parties
Kasparov, Garry — 1 partie
Parties historiques
10…Na5 — 93.3% (3547 parties)
1950 — Petrosian, Tigran V. vs Zagoriansky, Evgeny — 1/2-1/2 — Moscow ch
1950 — Petrosian, Tigran V. vs Zagoriansky, Evgeny — 1/2-1/2 — Moscow RUS
1950 — Pilnik, Herman vs Tartakower, Savielly — 1/2-1/2 — Bled SLO
1950 — Cuadrado, Antonio vs Purdy, Cecil J S — 0-1 — ICCF
1950 — Tarnowski, Alfred vs Pogats, Jozsef Jr. — 0-1 — Schiavno Zdroj
10…Nb8 — 6.5% (246 parties)
1952 — Ban Juach vs Vajda, Arpad — 0-1 — Hungary ch
1964 — Murphy, Raphael vs Kraidman, Yair — 0-1 — Tel Aviv ISR
1966 — Novak, Ervin vs Cifuentes, Antonio — 1-0 — Praha MSA
1967 — Pinchuk, Sergey T vs Saburov, Matvey — 1/2-1/2 — URS
1969 — Jimenez Zerquera, Eleazar vs Munoz Parraguez, Cesar — 1/2-1/2 — Quito/Guayaquil
10…Na7 — 0.1% (4 parties)
1998 — Cornejo Garrido, Jorge vs Prado, Juan Hector — 1-0 — ?
2001 — Hernandez Garcia, Deyanira Angel vs Solis Mendoza, Mariana — 1-0 — ?
2009 — Kim, Yana vs Shchevjeva, Nadezhda — 1-0 — Dagomys
2019 — Lin, Peisen vs He, Chenling — 1-0 — Changsha CHN
10…Bxf3 — 0.1% (4 parties)
2003 — Klundt, Klaus vs Vonach, Bernhard, Dr. — 1-0 — Bad Woerishofen GER
2010 — Baruffaldi, Giuseppe vs Notarnicola, Gianluca — 1-0 — Rome ITA
2015 — Cmor, Nino vs Zajdela, Karel — 1-0 — Ptuj SLO
2015 — Sapale Saloni vs Bristy Mukherjee — 1/2-1/2 — Bhayandar IND