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C70j — Cozio Deferred
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nge7
Eval: [+0.56]
Les coups candidats
5.c3 — 39.3% (1253 parties)
Ambassadeurs : Avellan, Gerardo (18x), Celan, Melissa (16x), Kivimaki, Jaakko (10x), Blazeka, Matej (10x), Vavulin, Maxim (10x), Plutarco, Fosca (9x), Rantanen, Yrjo A. (8x), Czebe, Attila (8x)
5.O-O — 38.6% (1230 parties)
Ambassadeurs : Avellan, Gerardo (21x), Avellán, Gerardo (15x), Kivimaki, Jaakko (13x), Raineri, Angelo Valerio (10x), Rajkovic, Mladen (9x), Banusz, Tamas (8x), Nestorovic, Nikola (7x), Proudian, Armen (7x)
5.Nc3 — 11.3% (360 parties)
Ambassadeurs : Kivimaki, Jaakko (5x), Mozes, Ervin (5x), Blazeka, Matej (5x), Nestorovic, Nikola (5x), Grover Shivaksh (4x), Czupor, Attila (4x), Alekhine, Alexander (3x), Tomazini, Aljosa (3x)
5.d4 — 4.5% (144 parties)
Ambassadeurs : Steinitz, Wilhelm (23x), Abad Martinez, Diego (3x), Meitner, Philipp (3x), Sellman, Alexander (3x), Reipsch, Jens (3x), Van Foreest, Jorden (3x), Semenova, El1 (3x), Den Hartog, Marijn (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.c3 5.O-O 5.Nc3 5.d4
<1800 57 46% 39% 12% 2%
1800-2200 909 37% 46% 8% 4%
2200-2600 1912 42% 35% 13% 3%
2600+ 112 43% 34% 12% 3%
Évolution par décennie (% des parties)
Décennie N parties 5.c3 5.O-O 5.Nc3 5.d4
1860s 1 100%
1880s 36 11% 86%
1890s 4 25% 25% 50%
1900s 10 50% 20% 20%
1910s 4 25% 25% 25%
1920s 2 100%
1940s 3 33% 67%
1950s 4 50% 25%
1960s 2 50% 50%
1970s 12 33% 50% 17%
1980s 30 47% 30% 13% 10%
1990s 102 36% 44% 11% 6%
2000s 163 32% 51% 7% 4%
2010s 2171 39% 40% 10% 3%
2020s 645 45% 33% 17% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.c3 39% 45% ▲ +5.4%
5.O-O 40% 33% ▼ -6.8%
5.Nc3 10% 17% ▲ +7.1%
5.d4 3% 2% ▼ -1.1%
Joueurs célèbres
Champions du monde dans cette position
Steinitz, Wilhelm — 10 parties
Gukesh D — 4 parties
Alekhine, Alexander — 3 parties
Hou, Yifan — 3 parties
Anand, Viswanathan — 2 parties
Ju, Wenjun — 1 partie
Parties historiques
5.c3 — 39.3% (1253 parties)
1901 — Taubenhaus, Jean vs Sittenfeld, Stanislaus — 1/2-1/2 — Paris FRA
1901 — Taubenhaus, Jean vs Sittenfeld, Stanislaus — 1/2-1/2 — Parijs
1903 — Rabinovich, Alexander vs Schiffers, Emanuel — 0-1 — Kiev UKR
1903 — Rabinovich, Alexander vs Kalinsky, N. — 1-0 — Kiev UKR
1903 — Lovtsky, M. vs Kalinsky, N. — 1-0 — Kiev UKR
5.O-O — 38.6% (1230 parties)
1864 — Neumann, Gustav vs Anderssen, Adolf — 0-1 — Breslau GER
1883 — Leffmann, Karl vs White, Max — 1/2-1/2 — Nuerenberg GER
1887 — Baird, John vs Lipschuetz, Salomon — 1-0 — New York, NY USA
1888 — Lee, Francis J vs Locock, Charles Dealtry — 1/2-1/2 — Bradford/ Yorkshire
1888 — Georg Irion vs Tarrasch, Siegbert — 0-1 — Nuerenberg GER
5.Nc3 — 11.3% (360 parties)
1891 — ? vs Kvicala, Jan — 0-1 — Prague CZE
1913 — Yates, Frederic D vs Speijer, Abraham — 0-1 — Scheveningen NED
1921 — Schulz, Jale vs Treybal, Karel — 1/2-1/2 — Brno Morava
1921 — D Marco, Gianni vs Alekhine, Alexander — 0-1 — The Hague NED
1940 — Alekhine, Alexander vs Arrais, Ayoub — 1-0 — Lisabon
5.d4 — 4.5% (144 parties)
1882 — Michaelis, O vs Steinitz, Wilhelm — 1-0 — Philadelphia, PA USA
1882 — McKenzie, George vs Steinitz, Wilhelm — 1/2-1/2 — Vienna AUT
1882 — Blackburne, Joseph vs Steinitz, Wilhelm — 1-0 — Vienna AUT
1882 — Abad Martinez, Diego vs Steinitz, Wilhelm — 0-1 — Philadelphia, PA USA
1882 — Charles AmÃdÃe Maurian vs Steinitz, Wilhelm — 0-1 — New Orleans, LA USA