C91f - 10…Na5 - Closed, Bogoljubow (1927)

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C91f — Closed, Bogoljubow (1927)
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 Na5
Les coups candidats
Ambassadeurs : De Coverly, Roger D (33x), Negi, Parimarjan (19x), Khalifman, Alexander (17x), Vogt, Lothar (14x), Beliavsky, Alexander G (14x), Milov, Leonid (13x), Vasiukov, Evgeni (12x), Palkovi, Jozsef (12x)
11.h3 — 1.4% (50 parties)
Ambassadeurs : Iversland, Erling (3x), Bak, Karol (2x), Vasiukov, Evgeni (2x), Ostojic, Predrag (2x), Peterson, Janet (2x), Pinkas, Kazimierz (1x), Sygulski, Artur (1x), Mazul, Waldemar (1x)
11.Nbd2 — 1.4% (48 parties)
Ambassadeurs : Reede, Arvo (2x), Di Meo, Saverio Gabriele (1x), Rowley, Robert (1x), Kramer, Zala (1x), Pappier, Carlos German (1x), Baroin, Bernard (1x), Dambitis, Ilgonis V (1x), Spartz, Gaston (1x)
11.Bg5 — 0.2% (7 parties)
Ambassadeurs : Hirosemito, Quinlan (2x), Sullivan, Bob (1x), Tremblay, Gabriel (1x), Kukla, Maciej (1x), Plonczak, Dominik (1x), Bhandarkar, Dinesh (1x), Newman, Ben (1x), Hlavac, Iva (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 11.Bc2 11.h3 11.Nbd2 11.Bg5
<1800 152 94% 3% 2% 1%
1800-2200 958 96% 2% 2% 0%
2200-2600 1709 98% 1% 1% —
2600+ 107 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 11.Bc2 11.h3 11.Nbd2 11.Bg5
1950s 46 100% — — —
1960s 102 99% — 1% —
1970s 229 97% 3% — —
1980s 353 96% 3% 1% —
1990s 604 98% 1% 1% 0%
2000s 980 96% 2% 2% 0%
2010s 1068 97% 1% 2% 0%
2020s 164 99% — 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
11.Bc2 97% 99% ▲ +2.1%
11.h3 1% 0% ▼ -1.0%
11.Nbd2 2% 1% ▼ -0.7%
11.Bg5 0% 0% -0.2%
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
Parties historiques
11.Bc2 — 96.8% (3434 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
11.h3 — 1.4% (50 parties)
1970 — Vasiukov, Evgeni vs Matanovic, Aleksandar — 1-0 — Skopje MKD
1971 — Kolbak, Jens vs Norby, Peter H. — 1-0 — Hjoerring
1972 — Ostojic, Predrag vs Nemet, Ivan — 0-1 — Umag CRO
1973 — Ciocaltea, Victor vs Lengyel, Levente — 1/2-1/2 — Tungsram Budapest
1974 — Ostojic, Predrag vs Eslon, Jaan — 0-1 — Stockholm SWE
11.Nbd2 — 1.4% (48 parties)
1964 — Di Meo, Saverio Gabriele vs Rowley, Robert — 0-1 — Victoria ch
1980 — Kramer, Zala vs Pappier, Carlos German — 0-1 — CADAP V zt sf '78 APA.XII/139
1981 — Spartz, Gaston vs Morenz, Robert — 0-1 — Graz WTch jr
1984 — Pilapil, Exequiel vs Van Tilbury, Craig — 0-1 — Thessaloniki olm
1987 — Baroin, Bernard vs Dambitis, Ilgonis V — 0-1 — EU/M/GT/268 corr
11.Bg5 — 0.2% (7 parties)
1994 — Sullivan, Bob vs Tremblay, Gabriel — 0-1 — corr CompuServe
2001 — Kukla, Maciej vs Plonczak, Dominik — 1-0 — Kolobrzeg
2005 — Hlavac, Iva vs Berke, Ana — 1/2-1/2 — Busevec
2007 — Hirosemito, Quinlan vs Newman, Ben — 1-0 — ?
2008 — Hirosemito, Quinlan vs Bhandarkar, Dinesh — 0-1 — ?