C61c - 4…exd4 - Spanish: Bird’s (1904)

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C61c — Spanish: Bird’s (1904)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4
Les coups candidats
Ambassadeurs : Jirka, Jiri (69x), Vera-Cruz Jr, Aguinaldo (38x), Kupreichik, Viktor D (18x), Burakovsky, Marat (14x), Alexander Tadala (13x), Malaniuk, Vladimir P (13x), Zalys, Ignas (12x), Klaric, Zlatko (12x)
Ambassadeurs : Aannevik, Bjarne (5x), Unzicker, Ferdinand, Dr. (4x), Schuetz, Peter (3x), Steil-Antoni, Fiona (3x), Martsynovskaya, Marina (3x), Szurkos, Andras (3x), Vontina, Maria (3x), Koberl, Ferenc (2x)
Ambassadeurs : Jirka, Jiri (26x), Malaniuk, Vladimir P (5x), Yandemirov, Valeri (4x), Mikheeva, Galina (4x), Aseev, Konstantin N (3x), Guseinov, Aidyn (3x), Sikora-Gizynska, Bozena (3x), Najer, Evgeniy (3x)
5.c3 — 4.9% (273 parties)
Ambassadeurs : Zalys, Ignas (4x), Dworzynski, Roman (1x), Grynfeld, Izaak (1x), Barczay, Laszlo (1x), Gliksman, Darko (1x), Lane, Lisa (1x), Gaprindashvili, Nona (1x), Goldberg, Jeff A (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.O-O 5.d3 5.Bc4 5.c3
<1800 593 65% 20% 5% 7%
1800-2200 1938 73% 13% 6% 5%
2200-2600 1396 80% 6% 11% 2%
2600+ 34 79% 3% 18% —
Évolution par décennie (% des parties)
Décennie N parties 5.O-O 5.d3 5.Bc4 5.c3
1950s 103 89% 9% — 1%
1960s 139 87% 7% 2% 3%
1970s 170 85% 9% 1% 4%
1980s 497 79% 9% 6% 3%
1990s 1176 70% 14% 8% 5%
2000s 1649 70% 14% 7% 6%
2010s 1625 75% 12% 7% 4%
2020s 247 72% 15% 5% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.O-O 75% 72% ▼ -3.3%
5.d3 12% 15% ▲ +2.4%
5.Bc4 7% 5% ▼ -1.6%
5.c3 4% 7% ▲ +3.0%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 7 parties
Kasparov, Garry — 5 parties
Karpov, Anatoly — 4 parties
Hou, Yifan — 2 parties
Tal, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
5.O-O — 73.7% (4132 parties)
1950 — Gereben, Erno vs Koberl, Ferenc — 1-0 — Budapest HUN
1950 — Koupil, Adam vs Svetlik, Milan — 0-1 — Chocen
1950 — Mora, Maria Teresa vs Rubtsova, Olga — 0-1 — Moscow RUS
1950 — Pietzsch, Wolfgang vs Elstner, Rudolf — 1-0 — Soemmerda GER
1950 — Averbakh, Yuri L vs Koberl, Ferenc — 1/2-1/2 — Schiavno Zdroj
5.d3 — 12.8% (719 parties)
1950 — Tarnowski, Alfred vs Koberl, Ferenc — 1/2-1/2 — Schiavno Zdroj
1950 — Seiffert, Robert vs Richter, Kurt — 0-1 — Berlin GER
1950 — Greenfeld, Alon vs Koberl, Ferenc — 1/2-1/2 — It, Schiavno Zdroj
1950 — Hromada, Vaclav vs Vesely, Jiri — 1/2-1/2 — Chocen
1951 — Daksh Santosh Nathani vs Taylor, A (tony) — 1-0 — Vancouver
5.Bc4 — 6.4% (359 parties)
1961 — Canobra, Juvenal vs Stekel Grunberg, Moises — 0-1 — Santiago de Chile
1961 — Donoso Velasco, Pedro H vs Stekel Grunberg, Moises — 1/2-1/2 — Santiago de Chile
1967 — Damjanovic, Mato vs Ilievski, Borce — 1-0 — Skopje MKD
1979 — Khasanova, Flyura vs Kruchonok, Svetlana — 1-0 — Moscow RUS
1985 — Odebrecht, Alfred vs Carra, Joachim — 0-1 — ?
5.c3 — 4.9% (273 parties)
1952 — Dworzynski, Roman vs Grynfeld, Izaak — 0-1 — Katowice POL
1961 — Lane, Lisa vs Gaprindashvili, Nona — 1/2-1/2 — Vrnjacka Banja SRB
1962 — Goldberg, Jeff A vs Rygiel, Jan — 0-1 — corr ch3-POL
1967 — Nunn, John D M vs Miles, Anthony J — 1-0 — Oxford ENG
1969 — Barczay, Laszlo vs Gliksman, Darko — 1-0 — Sarajevo BIH