C82k - 9…Bc5 10.Nbd2 - Open, St. Petersburg Variation (1900)

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C82k — Open, St. Petersburg Variation (1900)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Bc5 10.Nbd2
Les coups candidats
Ambassadeurs : Lombart, Philippe (40x), Herzog, Klaus (33x), Pott, Brian (26x), Wiesinger, Johann (17x), Mikhalevski, Victor (13x), Jussupow, Artur (12x), Timman, Jan H (12x), ? (11x)
10…Nxd2 — 1.2% (36 parties)
Ambassadeurs : Nuenchert, Eveline (2x), Lashmanov, Igor (2x), Havran, Jozef (2x), Jurczynska, Anna (1x), Cheng, Winter (1x), Mutchnik, Larisa (1x), Muchnik H (1x), Tal, Mikhail (1x)
10…Nxf2 — 1.1% (34 parties)
Ambassadeurs : Herzog, Klaus (3x), Ljubojevic, Ljubomir (2x), Rupert, L. (1x), Karch, Robert Alfred (1x), Paige, Ryan (1x), Reynolds, D Ian W (1x), Horowitz, Albert Israel (1x), Bendit, Kurt (1x)
10…Bf5 — 0.6% (19 parties)
Ambassadeurs : Hladik Joseph (1x), Koska, Josef (1x), Ewbank, Paul (1x), Nielsen, Tage (1x), Chapman, Terry P D (1x), Aranda, Berenger (1x), Llaneza Vega, Victor (1x), De La Iglesia Velez, Anton (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…O-O 10…Nxd2 10…Nxf2 10…Bf5
<1800 163 93% 2% 1% 1%
1800-2200 1078 95% 1% 2% 1%
2200-2600 827 99% 0% 0% 0%
2600+ 69 99% — 1% —
Évolution par décennie (% des parties)
Décennie N parties 10…O-O 10…Nxd2 10…Nxf2 10…Bf5
1950s 75 95% 3% 1% —
1960s 118 95% 3% 2% —
1970s 218 97% 1% 0% 1%
1980s 426 98% 0% 1% 0%
1990s 669 97% 1% 1% 1%
2000s 677 94% 1% 1% 1%
2010s 584 95% 1% 2% 1%
2020s 337 99% 0% 1% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…O-O 95% 99% ▲ +3.7%
10…Nxd2 1% 0% ▼ -1.1%
10…Nxf2 2% 1% ▼ -1.3%
10…Bf5 1% 0% ▼ -0.5%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Tal, Mikhail — 5 parties
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Hou, Yifan — 1 partie
Parties historiques
10…O-O — 96.3% (2988 parties)
1950 — LAR, Rai Joseph vs Pechan, Z. — 1-0 — Chocen
1950 — Boey, Josef vs Versfeld, Ludwig — 0-1 — Antwerp BEL
1951 — Reicher, Emanoil-George vs Stein, Georg — 1-0 — Bucharest ROU
1951 — Medina-Garcia, Antonio vs Perez Perez, Francisco Jose — 0-1 — Madrid ESP
1951 — Grechkin, Dmitry M vs Radchenko, Aleksandr — 0-1 — USSR
10…Nxd2 — 1.2% (36 parties)
1950 — Tal, Mikhail vs Miglan — 1-0 — ?
1951 — Rossolimo, Nicolas vs Klein, Ernst — 0-1 — Birmingham ENG
1961 — Mutchnik, Larisa vs Lashmanov, Igor — 1-0 — USSR
1961 — Muchnik H vs Lashmanov, Igor — 1-0 — ?
1968 — Nuenchert, Eveline vs Jurczynska, Anna — 1-0 — Zinnowitz zt women
10…Nxf2 — 1.1% (34 parties)
1958 — Horowitz, Albert Israel vs Bendit, Kurt — 0-1 — San Francisco, CA USA
1962 — Rupert, L. vs Karch, Robert Alfred — 0-1 — cr.
1962 — Paige, Ryan vs Reynolds, D Ian W — 0-1 — Whitby
1978 — Hladik Joseph vs Jan, Jaroslav — 1-0 — ?
1987 — Lee, Mau.Seng vs Neufahrt, Gerhard — 1-0 — White Rock CAN
10…Bf5 — 0.6% (19 parties)
1971 — Chapman, Terry P D vs Aranda, Berenger — 0-1 — London ENG
1979 — Hladik Joseph vs Koska, Josef — 1/2-1/2 — ?
1982 — Ewbank, Paul vs Nielsen, Tage — 0-1 — Luzern olm
1992 — Bennedik, Martin vs Weisser, Wolfgang — 1-0 — Hessen
1993 — Lauritson, Jim vs Babb, Jeff — 1/2-1/2 — Winnipeg Manitoba R