D27a - 7.* - Classical Defense, Main Line (1905)

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D27a — Classical Defense, Main Line (1905)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6
Les coups candidats
Ambassadeurs : Stevic, Hrvoje (42x), Kramnik, Vladimir (18x), Lintchevski, Daniil (17x), Nikolic, Predrag (17x), Kozul, Zdenko (16x), Rublevsky, Sergei (15x), Shcherbakov, Ruslan (14x), Ganguly, Surya Shekhar (14x)
Ambassadeurs : fperrot (19x), Portisch, Lajos (16x), Estrada Nieto, Julian (16x), Vladimirov, Yevgeniy (15x), Radulov, Ivan (15x), Lesiege, Alexandre (13x), jojac (13x), Gligoric, Sofija (12x)
Ambassadeurs : Tregubov, Pavel V. (24x), Anand, Viswanathan (22x), Chukanov, Igor Anatolievich (20x), Cvitan, Ognjen (17x), Tkachiev, Vladislav (17x), Karpatchev, Aleksandr (14x), Korchut, Adam (14x), Vaulin, Alexander P. (12x)
Ambassadeurs : Garcia Palermo, Carlos Horacio (17x), Golz, Werner (14x), Rashkovsky, Nukhim N (12x), Krallmann, Matthias (11x), Byrne, Robert E (10x), Suetin, Alexey S (10x), Pilnik, Herman (8x), Clarke, Peter (8x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.dxc5 7.a4 7.Bb3 7.Qe2
<1800 691 21% 26% 15% 14%
1800-2200 5692 20% 24% 21% 13%
2200-2600 11193 22% 18% 21% 14%
2600+ 888 28% 8% 22% 6%
Évolution par décennie (% des parties)
Décennie N parties 7.dxc5 7.a4 7.Bb3 7.Qe2
1950s 211 9% 11% 0% 70%
1960s 417 14% 29% 2% 45%
1970s 270 9% 51% 2% 30%
1980s 929 9% 38% 2% 35%
1990s 3356 11% 24% 12% 25%
2000s 6193 21% 23% 28% 13%
2010s 6221 28% 17% 26% 9%
2020s 3008 24% 10% 8% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.dxc5 28% 24% ▼ -3.4%
7.a4 17% 10% ▼ -6.9%
7.Bb3 26% 8% ▼ -18.1%
7.Qe2 9% 7% ▼ -1.7%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Gukesh D — 8 parties
Botvinnik, Mikhail — 7 parties
Carlsen, Magnus — 7 parties
Hou, Yifan — 5 parties
Ju, Wenjun — 4 parties
Smyslov, Vladimir — 3 parties
Ding, Liren — 3 parties
Parties historiques
7.dxc5 — 21.0% (4323 parties)
1950 — Lilienthal, Andor vs Keres, Paul Petrovich — 1/2-1/2 — Budapest HUN
1950 — Trifunovic, Petar vs Devos, Paul — 1-0 — Dubrovnik CRO
1951 — Cross, James vs Evans, Larry — 1/2-1/2 — Forth Worth
1952 — Trifunovic, Petar vs Lundin, Erik — 1/2-1/2 — Helsinki olm
1952 — Vaitonis, Povilas vs Pilnik, Herman — 1/2-1/2 — Saltsjobaden SWE
7.a4 — 20.7% (4270 parties)
1950 — Gereben, Erno vs Sebestyen, Balazs — 1-0 — Budapest HUN
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 — Corral, Hector vs Muniz, Alexis — 1-0 — San Rafael
7.Bb3 — 19.5% (4019 parties)
1951 — German, Eugenio vs Muniz, Alexis — 1-0 — San Rafael
1962 — Filip, Miroslav vs Conrady, Alphonse — 1-0 — Varna olm
1962 — Eken, Max vs Filip, Miroslav — 1/2-1/2 — Varna olm
1962 — Sliwa, Bogdan vs Filip, Miroslav — 1/2-1/2 — Varna BUL
1963 — Botvinnik, Mikhail vs Petrosian, Tigran V. — 1/2-1/2 — Moskou wch-m
7.Qe2 — 15.3% (3146 parties)
1950 — Bolbochan, Julio vs Devos, Paul — 1-0 — Dubrovnik CRO
1950 — Honan, N. vs Akonde Marshall — 1-0 — England
1950 — Geller, Efim P. vs Alatortsev, Vladimir N. — 1/2-1/2 — Moskou ch-URS
1950 — Smyslov, Vasily vs Keres, Paul Petrovich — 1/2-1/2 — Budapest HUN
1950 — Van den Berg, Cees vs Van Steenis, Ir — 1-0 — Leiden NED