D99c - 9…Nb6 - Russian, Smyslov, Main Line (1948)

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D99c — Russian, Smyslov, Main Line (1948)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 Nfd7 9.Qb3 Nb6
Les coups candidats
Ambassadeurs : Sosonko, Gennadi (12x), Babula, Vlastimil (12x), Timman, Jan H (10x), Jansa, Vlastimil (10x), Smejkal, Jan (9x), Beliavsky, Alexander G (8x), Ree, Hans (7x), Pribyl, Josef (6x)
10.O-O-O — 6.9% (50 parties)
Ambassadeurs : Demuth, Adrien (3x), Jerez Perez, Alfonso (2x), Vega Gutierrez, Sabrina (2x), Fuller, Adrian (1x), Babu Gardiner (1x), Ershov, Vladimir (1x), Altshuler, Roman Zinovievich (1x), Parr, Frank (1x)
10.a4 — 3.5% (25 parties)
Ambassadeurs : Chistiakov, Alexander (1x), Nei, Iivo (1x), Kjellander, Sven Erik Gunnar (1x), Bhaskar Jyoti Koch (1x), Lee, Rajiv Adhikari (1x), Harman, Ronald F A (1x), Hess, Ralf E. (1x), Van Mil, Johannes A J (1x)
10.Ne5 — 1.0% (7 parties)
Ambassadeurs : Schroeder, Christian, Dr. (2x), Pietzsch, Wolfgang (2x), CHIROMO BANDA PALESSA (1x), Pribyl, Josef (1x), Straschewski, Joerg, Dr. (1x), Weiss, Michael (1x), Olsen, Joe Flyckt (1x), Jensen, Jan Kargaard (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Rd1 10.O-O-O 10.a4 10.Ne5
<1800 17 94% — — —
1800-2200 194 87% 6% 2% 2%
2200-2600 349 86% 9% 4% 0%
2600+ 26 88% 4% 4% 4%
Évolution par décennie (% des parties)
Décennie N parties 10.Rd1 10.O-O-O 10.a4 10.Ne5
1950s 12 67% 17% 17% —
1960s 12 75% 8% — 17%
1970s 52 92% 4% 4% —
1980s 99 97% 1% 1% 1%
1990s 117 95% 2% 2% 2%
2000s 164 93% 2% 3% —
2010s 238 76% 16% 5% 0%
2020s 26 88% 8% — 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Rd1 76% 88% ▲ +12.4%
10.O-O-O 16% 8% ▼ -7.9%
10.a4 5% 0% ▼ -5.5%
10.Ne5 0% 4% ▲ +3.4%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 1 partie
Parties historiques
10.Rd1 — 87.4% (629 parties)
1950 — Siegel, Paul vs Teschner, Rudolf — 0-1 — Bad Pyrmont GER
1952 — Mueller, Klaus vs Koch, Berthold — 0-1 — Cottbus
1953 — Golz, Werner vs Reichenbach, Werner — 1/2-1/2 — Brandenburg/Havel
1955 — Oestreich, Reinhard vs Van Wyk Wilhelm — 0-1 — Bochum GER
1955 — Sherwin, James T vs Baev, Pavel — 1-0 — Manhattan
10.O-O-O — 6.9% (50 parties)
1953 — Fuller, Adrian vs Babu Gardiner — 1-0 — cr.
1955 — Parr, Frank vs Ellison, E.A — 1-0 — British CC Ch 1955-56
1965 — Ershov, Vladimir vs Altshuler, Roman Zinovievich — 0-1 — ?
1970 — Addison, Wiliam G vs Uhlmann, Wolfgang — 0-1 — Palma de Mallorca izt
1972 — Rubanraut, Serge vs Fuller, Maxwell L — 1-0 — Melbourne AUS
10.a4 — 3.5% (25 parties)
1956 — Chistiakov, Alexander vs Nei, Iivo — 1/2-1/2 — Kharkov UKR
1956 — Kjellander, Sven Erik Gunnar vs Bhaskar Jyoti Koch — 1-0 — corr Wch2
1971 — Lee, Rajiv Adhikari vs Harman, Ronald F A — 1/2-1/2 — Barnstaple
1977 — Furman, Semyon vs Timman, Jan H — 1/2-1/2 — Bad Lauterberg GER
1982 — Hess, Ralf E. vs Van Mil, Johannes A J — 0-1 — Amsterdam NED
10.Ne5 — 1.0% (7 parties)
1963 — Schroeder, Christian, Dr. vs Pietzsch, Wolfgang — 1/2-1/2 — Aschersleben GER
1963 — Schroeder, Christian, Dr. vs Pietzsch, Wolfgang — 1/2-1/2 — GDR-ch Aschersleben GER
1984 — CHIROMO BANDA PALESSA vs Pribyl, Josef — 1/2-1/2 — Prague CZE
1993 — Olsen, Joe Flyckt vs Jensen, Jan Kargaard — 0-1 — ?
1998 — Straschewski, Joerg, Dr. vs Weiss, Michael — 0-1 — Regensburg op