C61f - 5.O-O - Spanish: Bird’s (1904)

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C61f — Spanish: Bird’s (1904)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O
Les coups candidats
Ambassadeurs : Jirka, Jiri (69x), Vera-Cruz Jr, Aguinaldo (34x), Lanin, Boris Dr (26x), Kupreichik, Viktor D (18x), Klaric, Zlatko (13x), Martynov, Pavel (13x), Botsari, Anna-Maria (11x), Sosnowska, Elzbieta (11x)
Ambassadeurs : Burakovsky, Marat (18x), Alexander Tadala (13x), Klip, Hans (10x), Hoiberg, Nina (9x), Zalys, Ignas (8x), Vicente Haro, Gabriel (8x), Horvath, Zoltan (7x), Fallone, Michael (6x)
5…a6 — 3.4% (139 parties)
Ambassadeurs : Wall, Bill (2x), Fantoni, Franco (2x), Markidou, Christianna (2x), Harahap, Pongki Nangolngolan (2x), Lamy, Odette (2x), Edgar Fernando Gonzalez Marin (1x), Garcia, Al (1x), Tsvetkov, Aleksei Aleksan'ch (1x)
5…g6 — 3.0% (125 parties)
Ambassadeurs : Moreno, Alejandro (9x), Lima, Darcy (5x), Thiellement, Andre (4x), Haanila, Erkki (4x), Mackenzie, Dana (3x), Müßig, Frank (3x), Clemens, Kristian (3x), Fallone, Michael (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Bc5 5…c6 5…a6 5…g6
<1800 388 32% 45% 8% 4%
1800-2200 1419 46% 39% 2% 3%
2200-2600 1122 65% 26% 0% 3%
2600+ 27 70% 19% — —
Évolution par décennie (% des parties)
Décennie N parties 5…Bc5 5…c6 5…a6 5…g6
1950s 92 — 64% — 4%
1960s 121 6% 76% — 7%
1970s 145 38% 48% 5% 3%
1980s 392 65% 26% 1% 2%
1990s 827 47% 32% 4% 3%
2000s 1160 47% 37% 4% 2%
2010s 1218 47% 37% 3% 3%
2020s 177 38% 38% 6% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Bc5 47% 38% ▼ -8.5%
5…c6 37% 38% ▲ +1.6%
5…a6 3% 6% ▲ +2.8%
5…g6 3% 5% ▲ +1.2%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 5 parties
Anand, Viswanathan — 5 parties
Karpov, Anatoly — 4 parties
Hou, Yifan — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
5…Bc5 — 45.9% (1896 parties)
1960 — Walther, Edgar vs Klein, Waldemar — 0-1 — Zurich cup
1961 — Levy, Louis vs Gersch, Charles — 1-0 — San Francisco, CA USA
1961 — Sutton, AJ. vs Richardson, Keith B — 1/2-1/2 — Scunthorpe
1966 — Mardle, Denis vs Bonner, Denys Pepperell — 1-0 — Cheltenham
1966 — Walther, Edgar vs Jaeger Nyamongo Omari — 1-0 — corr BdF/PV
5…c6 — 37.1% (1532 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 — Averbakh, Yuri L vs Koberl, Ferenc — 1/2-1/2 — Schiavno Zdroj
1950 — Penrose, Jonathan vs Phillips Andrea — 1-0 — Hastings ENG
5…a6 — 3.4% (139 parties)
1970 — Berry, Jonathan vs Navarro, Carlos — 1-0 — Guadalajara
1970 — Wall, Bill vs Jerry — 1-0 — ?
1972 — Tsvetkov, Aleksei Aleksan'ch vs Cupta — 1-0 — CCOL corr
1972 — Alves, Francisco H B Severino vs Toth, Peter — 1/2-1/2 — Blumenau
1977 — Abdullah, Billah vs Stroud, DeWitt — 1-0 — Statesville NC
5…g6 — 3.0% (125 parties)
1950 — Pietzsch, Wolfgang vs Elstner, Rudolf — 1-0 — Soemmerda GER
1953 — Gross, Henry vs Poliakoff, Dmitri — 1-0 — San Francisco, Ca
1955 — Scherbakoff, Georges vs Thiellement, Andre — 1-0 — Paris FRA
1958 — Beach, Thomas John vs Horseman, Derek Geoffrey — 0-1 — Leamington
1962 — Gufeld, Eduard vs Cesnauskas, Algimantas — 1-0 — Leningrad RUS