E57a - 9…cxd4 - Main Line

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E57a — Main Line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 dxc4 9.Bxc4 cxd4
Les coups candidats
Ambassadeurs : Najdorf, Miguel (3x), Reshevsky, Samuel (2x), Ragozin, Viacheslav (1x), Bastrikov, Georgy (1x), Goldberg, Grigory A (1x), Sidorov, Anatoly (1x), Goldenberg, Richard (1x), Vacca, Georges (1x)
10.axb4 — 22.6% (19 parties)
Ambassadeurs : Borisenko, Georgy K (1x), Jovanovic, Mirjana (1x), Heemskerk, Fenny (1x), Kokanovic, Dobrilo (1x), Jedlicka, Ales (1x), Puobis, Jozef (1x), Aleksandrov Ivanchev, Aleksandar (1x), Andersson, Ulf (1x)
10.Bd3 — 1.2% (1 parties)
Ambassadeurs : Meza Pomar, Aroa (1x), O'Kelly, A. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.exd4 10.axb4 10.Bd3
<1800 3 33% 67% —
1800-2200 25 64% 36% —
2200-2600 18 89% 11% —
2600+ 2 50% 50% —
Évolution par décennie (% des parties)
Décennie N parties 10.exd4 10.axb4 10.Bd3
1930s 1 100% — —
1950s 7 100% — —
1960s 6 50% 33% 17%
1970s 5 100% — —
1980s 4 100% — —
1990s 12 100% — —
2000s 24 75% 25% —
2010s 21 52% 48% —
2020s 4 75% 25% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.exd4 52% 75% ▲ +22.6%
10.axb4 48% 25% ▼ -22.6%
10.Bd3 0% 0% +0.0%
Parties historiques
10.exd4 — 76.2% (64 parties)
1938 — Ragozin, Viacheslav vs Bastrikov, Georgy — 1-0 — Leningrad RUS
1952 — Rabar, Braslav vs De Souza Mendes, Joao — 1-0 — Vienna AUT
1952 — Najdorf, Miguel vs Reshevsky, Samuel — 1-0 — ?
1953 — Najdorf, Miguel vs Reshevsky, Samuel — 1-0 — Buenos Aires ARG
1954 — Goldberg, Grigory A vs Sidorov, Anatoly — 1-0 — Riga LAT
10.axb4 — 22.6% (19 parties)
1962 — Borisenko, Georgy K vs Jovanovic, Mirjana — 1/2-1/2 — Lvov UKR
1967 — Heemskerk, Fenny vs Kokanovic, Dobrilo — 1-0 — Beverwijk NED
2000 — Jedlicka, Ales vs Puobis, Jozef — 1-0 — Tatranske Zruby SVK
2002 — Aleksandrov Ivanchev, Aleksandar vs Andersson, Ulf — 1-0 — Bled SLO
2002 — Hudec, Jan vs Sukuba, Zdenko — 0-1 — Slovakia
10.Bd3 — 1.2% (1 parties)
1968 — Meza Pomar, Aroa vs O'Kelly, A. — 1/2-1/2 — Lugano SUI