D98i - 9.O-O-O - Russian, Smyslov (1958)

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D98i — Russian, Smyslov (1958)
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.O-O-O
Les coups candidats
9…Nb6 — 48.1% (78 parties)
Ambassadeurs : Sosonko, Gennadi (4x), Hansen, Eric (3x), Gutman, Lev (2x), Timman, Jan H (2x), Korelov, Alexander P (1x), Bartuszat, Fritz (1x), August, Adi (1x), Bobotsov, Milko G (1x)
9…Nc6 — 19.8% (32 parties)
Ambassadeurs : Milan S Gowda (3x), Sosonko, Gennadi (2x), Aryatujuna Cuthbert (1x), Kots, Yuri I (1x), Shianovsky, Vladislav I (1x), Cunningham, Walter (1x), White, Henry (1x), Cafferty, Bernard (1x)
9…c6 — 14.8% (24 parties)
Ambassadeurs : Neven, Knut (2x), Flumbort, Andras Dr. (2x), Boehlig, Heinz, Dr. (1x), Moe, Mogens (1x), Szabo, Laszlo (1x), Uhlmann, Wolfgang (1x), Tukmakov, Vladimir B (1x), Lputian, Smbat (1x)
9…e5 — 6.8% (11 parties)
Ambassadeurs : Uhlmann, Wolfgang (2x), Littlewood, John E (1x), Littlewood, Norman (1x), Cmilyte, Viktorija (1x), Krupkova, Petra (1x), Scheeren, Peter (1x), Van Mil, Johannes A J (1x), Machno, Filip (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Nb6 9…Nc6 9…c6 9…e5
<1800 3 33% 33% 33% —
1800-2200 45 60% 13% 18% 4%
2200-2600 65 49% 14% 17% 6%
2600+ 9 22% 11% 11% 22%
Évolution par décennie (% des parties)
Décennie N parties 9…Nb6 9…Nc6 9…c6 9…e5
1950s 8 — 88% 12% —
1960s 18 44% 33% 6% 11%
1970s 14 57% 21% 7% —
1980s 17 18% 29% 18% —
1990s 26 38% 15% 15% 12%
2000s 31 58% 10% 16% 13%
2010s 46 63% 9% 20% 4%
2020s 2 100% — — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Nb6 63% 100% ▲ +37.0%
9…Nc6 9% 0% ▼ -8.7%
9…c6 20% 0% ▼ -19.6%
9…e5 4% 0% ▼ -4.3%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Parties historiques
9…Nb6 — 48.1% (78 parties)
1961 — Bobotsov, Milko G vs Henneberke, Frans — 1-0 — Zevenaar
1961 — Boue, Titouan vs OBrien, Erik Michael — 1-0 — San Luis Obispo
1964 — Korelov, Alexander P vs Gutman, Lev — 1-0 — ?
1964 — Bartuszat, Fritz vs August, Adi — 1-0 — ?
1964 — Yudovich, Mikhail M vs Vasiukov, Evgeni — 1/2-1/2 — Moscow RUS
9…Nc6 — 19.8% (32 parties)
1957 — Konstantinopolsky, Alexander vs Erestain, Elmer — 1-0 — corr USSR
1957 — Smyslov, Vasily vs Botvinnik, Mikhail — 1-0 — Moscow RUS
1958 — Furman, Semyon vs Krogius, Nikolai V — 0-1 — Riga ch-URS
1958 — Amaro, Lucas Ibrair vs Idigoras Guisasola, Gregorio — 1/2-1/2 — Buenos Aires ARG
1958 — Zirngibl, Albert vs Uhlmann, Wolfgang — 0-1 — GDR-ch Schkopau GER
9…c6 — 14.8% (24 parties)
1958 — Szabo, Laszlo vs Uhlmann, Wolfgang — 1-0 — Munich GER
1963 — Boehlig, Heinz, Dr. vs Moe, Mogens — 0-1 — Vrnjacka Banja SRB
1976 — Sosonko, Gennadi vs Castro, Pablo Henrique O. — 1/2-1/2 — Biel izt
1981 — Khorovets-Aiedinova, Elmira vs Alieva, Elmira — 0-1 — Ivano Frankivsk
1987 — Tukmakov, Vladimir B vs Lputian, Smbat — 1/2-1/2 — Minsk ch-URS
9…e5 — 6.8% (11 parties)
1965 — Littlewood, John E vs Uhlmann, Wolfgang — 0-1 — Hastings ENG
1965 — Littlewood, Norman vs Uhlmann, Wolfgang — 0-1 — Hastings ENG
1990 — Scheeren, Peter vs Van Mil, Johannes A J — 0-1 — Rotterdam rapid
1991 — Machno, Filip vs Arnold, Horst — 0-1 — WCCF corr
1999 — Cmilyte, Viktorija vs Krupkova, Petra — 1/2-1/2 — Batumi GEO