D27p - 7.a4 Nc6 - Classical, Rubinstein (1935)

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D27p — Classical, Rubinstein (1935)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.a4 Nc6
Les coups candidats
Ambassadeurs : Naumkin, Igor (28x), ? (16x), Nikolic, Predrag (16x), Vladimirov, Yevgeniy (15x), Sadler, Matthew D (13x), Gligoric, Sofija (12x), Radulov, Ivan (12x), Raetsky, Alexander (12x)
Ambassadeurs : fperrot (15x), jojac (13x), Estrada Nieto, Julian (12x), robynet (11x), Outin, Inoa (7x), Belenkaya, Dina (7x), Varga, Zoltan (6x), Kallai, Gabor (6x)
8.dxc5 — 2.5% (125 parties)
Ambassadeurs : fperrot (4x), Vaatainen, Timo (2x), Tiitta, Sauli (2x), Aturupane, Harinlal (1x), Anand, Viswanathan (1x), Sheridan, Gregory (1x), Poschel, Paul (1x), Ward, Tim (1x)
8.b3 — 0.5% (25 parties)
Ambassadeurs : Joseph Wise Gicheru (1x), Rhodes, HG. (1x), Henriksson, Per (1x), Louhi, Yrjoe (1x), Szczesniak, Konrad (1x), Weglarz, Leszek (1x), Helbig, Mark (1x), Senk, Christian (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Qe2 8.Nc3 8.dxc5 8.b3
<1800 186 56% 39% 4% —
1800-2200 1565 56% 39% 3% 1%
2200-2600 2435 71% 27% 1% 0%
2600+ 71 83% 17% — —
Évolution par décennie (% des parties)
Décennie N parties 8.Qe2 8.Nc3 8.dxc5 8.b3
1950s 30 50% 47% — 3%
1960s 116 78% 22% — —
1970s 141 82% 17% — 1%
1980s 396 79% 20% 0% —
1990s 1017 68% 29% 2% 0%
2000s 1616 64% 32% 3% 0%
2010s 1284 57% 39% 3% 1%
2020s 344 47% 45% 5% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Qe2 57% 47% ▼ -10.4%
8.Nc3 39% 45% ▲ +6.5%
8.dxc5 3% 5% ▲ +1.8%
8.b3 1% 2% ▲ +1.5%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 9 parties
Botvinnik, Mikhail — 5 parties
Anand, Viswanathan — 5 parties
Karpov, Anatoly — 3 parties
Kramnik, Vladimir — 3 parties
Smyslov, Vladimir — 1 partie
Kasparov, Garry — 1 partie
Parties historiques
8.Qe2 — 63.8% (3156 parties)
1950 — Gereben, Erno vs Sebestyen, Balazs — 1-0 — Budapest HUN
1951 — Corral, Hector vs Muniz, Alexis — 1-0 — San Rafael
1951 — Füster, Géza vs Gecsei, Istvan — 1-0 — Hungary ch
1951 — Udovcic, Mijo vs Bahro, Tom — 0-1 — Sarajevo BIH
1953 — Sorensen, Henning B. vs Kolvig, Bent — 0-1 — Copenhagen DEN
8.Nc3 — 32.6% (1612 parties)
1950 — Vidmar, Milan Sr vs Rabar, Braslav — 1/2-1/2 — Bled SLO
1950 — MULLER vs Kramer, Gerald — 1/2-1/2 — Dubrovnik olm
1951 — Ratner, Boris vs Kan, Ilya A — 1-0 — Leningrad RUS
1951 — Nedeljkovic, Srecko M vs Abdi, Andreas — 1/2-1/2 — Sarajevo BIH
1951 — Makogonov, Vladimir vs Prokhorovich, Taras E — 1-0 — Baku AZE
8.dxc5 — 2.5% (125 parties)
1986 — Aturupane, Harinlal vs Anand, Viswanathan — 0-1 — Dubai olm
1991 — Kochyev, Alexander vs Yakovich, Yuri — 1/2-1/2 — Gausdal NOR
1992 — Blachmann, Horst vs Margraf, Joachim — 1/2-1/2 — Bad Woerishofen GER
1993 — Ward, Tim vs Jendras, Gerard — 1/2-1/2 — Troy,MI Classic-A
1994 — Vaatainen, Timo vs Tiitta, Sauli — 1-0 — Espoo
8.b3 — 0.5% (25 parties)
1953 — Joseph Wise Gicheru vs Rhodes, HG. — 1-0 — Hastings ch-BCF
1970 — Henriksson, Per vs Louhi, Yrjoe — 0-1 — SM/ME-70 (Kirjeshakki
1994 — Szczesniak, Konrad vs Weglarz, Leszek — 1-0 — Nadole
1998 — Helbig, Mark vs Senk, Christian — 0-1 — Westpfalz-Open
1998 — Piscopo, Pierluigi vs Nironi, Andrea — 0-1 — Italy