C61b - 4.Bc4 - Bird’s [+0.28]

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C61b — Bird’s
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Bc4
Eval: [+0.28]
Les coups candidats
4…Nxf3+ — 45.7% (297 parties)
Ambassadeurs : Kelemen, Gyorgy (4x), Horvath, Zoltan (4x), Vrana, Frantisek (4x), Boutteville, Cesar (3x), Burakovsky, Marat (3x), Caro, Horatio (2x), Lasker, Emanuel (2x), Bird, Henry (2x)
4…Bc5 — 22.2% (144 parties)
Ambassadeurs : Thomas, Joseff (4x), Spielmann, Rudolf (3x), Malaniuk, Vladimir P (3x), Nimzowitsch, Aron (2x), Loewy, Leopold Jr (2x), Ravinsky, Grigory (2x), Kapengut, Albert (2x), Roizman, Abram Y (2x)
4…d6 — 9.4% (61 parties)
Ambassadeurs : Blackburne, Joseph (4x), Abramovic, Bosko (2x), Peptan, Corina-Isabela (2x), Videkanic Natasa (2x), Karklins, Erik (2x), Lipke, Paul (1x), Geller, Efim P. (1x), Makogonov, Vladimir (1x)
4…b5 — 7.2% (47 parties)
Ambassadeurs : Kiss, Jozsef (4x), Englisch, Berthold (2x), Bird, Henry (2x), Minckwitz, Johannes (1x), Schallopp, Emil (1x), Spielmann, Rudolf (1x), Prins, Lodewijk (1x), Castro Souza Luiz (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Nxf3+ 4…Bc5 4…d6 4…b5
<1800 30 33% 27% 13% 13%
1800-2200 205 58% 19% 5% 7%
2200-2600 107 46% 39% 6% 1%
Évolution par décennie (% des parties)
Décennie N parties 4…Nxf3+ 4…Bc5 4…d6 4…b5
1870s 3 33% — — —
1880s 4 25% — — 75%
1890s 5 80% — 20% —
1900s 7 29% 43% 29% —
1910s 7 29% 29% 29% —
1930s 3 33% 33% — 33%
1940s 10 10% 40% 30% 20%
1950s 9 33% 44% 11% 11%
1960s 18 56% 22% 6% 6%
1970s 20 55% 25% 5% 15%
1980s 49 37% 35% 8% 8%
1990s 138 35% 28% 9% 4%
2000s 205 52% 20% 11% 5%
2010s 161 49% 16% 6% 10%
2020s 11 91% — — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Nxf3+ 49% 91% ▲ +41.8%
4…Bc5 16% 0% ▼ -15.5%
4…d6 6% 0% ▼ -6.2%
4…b5 10% 0% ▼ -9.9%
Joueurs célèbres
Champions du monde dans cette position
Lasker, Emanuel — 2 parties
Parties historiques
4…Nxf3+ — 45.7% (297 parties)
1879 — Baad Schmidt, Noah vs Chigorin, Mikhail — 0-1 — St Petersburg RUS
1881 — Chaseray, Charles Emile vs Clerc, Albert — 0-1 — Paris FRA
1892 — Lasker, Emanuel vs Bird, Henry — 1-0 — Newcastle upon Tyne ENG
1892 — Lasker, Emanuel vs Bird, Henry — 1-0 — Newcastle on Tyne
1897 — Teichmann, Richard vs Caro, Horatio — 1-0 — Berlin GER
4…Bc5 — 22.2% (144 parties)
1907 — Suechting, Hugo vs Nimzowitsch, Aron — 1/2-1/2 — Ostende II
1907 — Fahrni, Hans vs Spielmann, Rudolf — 1-0 — Munich GER
1907 — Loewy, Leopold Jr vs Spielmann, Rudolf — 1-0 — Vienna AUT
1911 — Bernstein, Olivia vs Nimzowitsch, Aron — 1/2-1/2 — San Sebastian ESP
1913 — Loewy, Leopold Jr vs Spielmann, Rudolf — 0-1 — Vienna AUT
4…d6 — 9.4% (61 parties)
1894 — Lipke, Paul vs Blackburne, Joseph — 1-0 — Leipzig GER
1906 — Mercer, Arthur Emerson vs Blackburne, Joseph — 0-1 — Shrewsbury
1907 — Důras, Oldřich vs Blackburne, Joseph — 1-0 — Ostende II
1910 — Lewis, John A vs Blackburne, Joseph — 1/2-1/2 — Oxford ENG
1914 — Dieckmann, Cornelia vs Leussen, Benjamin — 1/2-1/2 — Nijmegen NED
4…b5 — 7.2% (47 parties)
1880 — Minckwitz, Johannes vs Schallopp, Emil — 1-0 — Graz AUT
1882 — Englisch, Berthold vs Bird, Henry — 1-0 — Vienna AUT
1882 — Englisch, Berthold vs Bird, Henry — 1-0 — Vienna AUT
1933 — Spielmann, Rudolf vs Prins, Lodewijk — 1-0 — Ebensee
1946 — Chistiakov, Alexander vs Ravinsky, Grigory — 1-0 — Moscow RUS