D27n - 8.Rxd1 Bxc5 9.Nbd2 - Classical, Spassky (1950)

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D27n — Classical, Spassky (1950)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.dxc5 Qxd1 8.Rxd1 Bxc5 9.Nbd2
Les coups candidats
9…O-O — 31.4% (203 parties)
Ambassadeurs : Rublevsky, Sergei (4x), Dizdarevic, Emir (4x), Borisek, Jure (4x), Ibragimov, Ildar (3x), Andrason, Karl Oddur (3x), Matveeva, Svetlana (3x), Sorcinelli, Andrea (3x), Korchut, Adam (3x)
9…Nbd7 — 21.5% (139 parties)
Ambassadeurs : Kramnik, Vladimir (5x), Stevic, Hrvoje (5x), Ilyin, Pavel Egorovich (3x), Lautier, Joel (2x), Bischoff, Klaus (2x), Stevenson, James (2x), Gyimesi, Zoltan (2x), Abramovic, Bosko (2x)
9…b6 — 17.0% (110 parties)
Ambassadeurs : Rublevsky, Sergei (7x), Alaa, Dema (4x), Malaniuk, Vladimir P (4x), Zaiatz, Elena (3x), Tunik, Gennady (2x), Shcherbakov, Ruslan (2x), Bronstein, David I (2x), Lane, Gary W (2x)
9…Nc6 — 14.2% (92 parties)
Ambassadeurs : Trifunovic, Petar (3x), Balashov, Yuri (3x), Polugaevsky, Lev (2x), Ivkov, Borislav (2x), Shumiakina, Tatiana (2x), Clares Huanca, Danner Saed (2x), Uusi, Gunnar (1x), Heemskerk, Fenny (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…O-O 9…Nbd7 9…b6 9…Nc6
<1800 21 38% 14% 14% 14%
1800-2200 160 35% 19% 13% 11%
2200-2600 375 30% 23% 19% 17%
2600+ 35 31% 29% 37% —
Évolution par décennie (% des parties)
Décennie N parties 9…O-O 9…Nbd7 9…b6 9…Nc6
1950s 3 — — — 100%
1960s 13 — 8% — 31%
1970s 1 — 100% — —
1980s 7 — — — 71%
1990s 43 21% 21% 33% 12%
2000s 283 33% 22% 16% 12%
2010s 254 34% 20% 20% 13%
2020s 43 35% 33% — 21%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…O-O 34% 35% ▲ +0.6%
9…Nbd7 20% 33% ▲ +12.1%
9…b6 20% 0% ▼ -20.1%
9…Nc6 13% 21% ▲ +7.9%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 8 parties
Karpov, Anatoly — 3 parties
Kasparov, Garry — 3 parties
Anand, Viswanathan — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
9…O-O — 31.4% (203 parties)
1990 — Certic, Branimir vs Djukic, Zeljko — 1/2-1/2 — Svetozarevo YUG Cup
1992 — Spassky, Boris Vasily vs Fischer, Robert J — 1/2-1/2 — Belgrade SRB
1992 — Spassky, Boris V. vs Fischer, Robert J — 1/2-1/2 — Sveti Stefan YUG
1994 — Skomorokhin, Roman vs Hoang, Thanh Trang — 1/2-1/2 — Budapest HUN
1996 — Dizdarevic, Emir vs Hulak, Krunoslav — 1/2-1/2 — ?
9…Nbd7 — 21.5% (139 parties)
1961 — Gligoric, Sofija vs Keres, Paul Petrovich — 1/2-1/2 — Bled SLO
1976 — Smyslov, Vasily vs Petrosian, Tigran V. — 1/2-1/2 — Biel SUI
1991 — Bischoff, Klaus vs Van der Sterren, Paul — 1/2-1/2 — Biel op
1993 — Botvinnik, Mikhail vs Donchenko, Anatoly — 1/2-1/2 — Minsk BLR
1993 — Kramnik, Vladimir vs Khalifman, Alexander — 1/2-1/2 — Biel SUI
9…b6 — 17.0% (110 parties)
1994 — Dydyshko, Viacheslav vs Volosin, Leon — 1-0 — Frydek Mistek CZE
1995 — Bronstein, David I vs Lane, Gary W — 1-0 — Brussels BEL
1995 — Bronstein, David I vs Lane, Gary W — 1-0 — Brussels op
1995 — Baburin, Alexander vs Meins, Gerlef — 1/2-1/2 — Groningen open
1996 — Tunik, Gennady vs Makarov, Marat — 1/2-1/2 — St Petersburg RUS
9…Nc6 — 14.2% (92 parties)
1950 — Trifunovic, Petar vs Devos, Paul — 1-0 — Dubrovnik CRO
1952 — Trifunovic, Petar vs Lundin, Erik — 1/2-1/2 — Helsinki olm
1957 — Donner, Jan-Hein vs Hein-Stahlberg, Gideon — 1/2-1/2 — Beverwijk Beverwijk NED
1960 — Polugaevsky, Lev vs Uusi, Gunnar — 1/2-1/2 — Vilnius LTU
1963 — Heemskerk, Fenny vs Keller-Hermann, Edith — 1/2-1/2 — Split CRO