A28e - 4.d4 - Four Knights

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A28e — Four Knights
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4
Eval: [-0.18]
Les coups candidats
4…exd4 — 86.4% (3661 parties)
Ambassadeurs : Hausner, Ivan (34x), Rumyantsev, Vladimir (27x), Cafferty, Bernard (20x), Gasthofer, Viktor (18x), Urpilainen, Erkki (18x), Claesen, Pieter (17x), Mellado Trivino, Juan (15x), Aigmueller, Max Ing (14x)
Ambassadeurs : Cafferty, Bernard (4x), Riumin, Nikolai (3x), Ragozin, Viacheslav (3x), Lilienthal, Andor (3x), Williams, A. Howard (3x), Wells, Ian D (3x), Aigmueller, Max Ing (3x), Kovacevic, Blazimir (3x)
Ambassadeurs : ? (2x), Funk Patrik (2x), Cafferty, Bernard (1x), Green, LG. (1x), De Lauretis P (1x), Celestini, Mauro (1x), Herzig Walter (1x), Jentzsch, Joachim (1x)
4…Bb4 — 0.3% (14 parties)
Ambassadeurs : Johansson, Clas-Erik (1x), Poetzschmann Rolf (1x), Allen, Robert (1x), Clay Perry (1x), Zickelbein, Eva Maria (1x), Salatova J (1x), Stift, Tamas (1x), Zadori, Janos (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…exd4 4…e4 4…d6 4…Bb4
<1800 167 89% 8% 2% 1%
1800-2200 1368 89% 10% 1% 0%
2200-2600 1120 90% 9% 1% —
2600+ 57 95% 5% — —
Évolution par décennie (% des parties)
Décennie N parties 4…exd4 4…e4 4…d6 4…Bb4
1910s 1 100% — — —
1920s 49 94% 6% — —
1930s 86 85% 15% — —
1940s 90 76% 24% — —
1950s 78 78% 21% 1% —
1960s 95 82% 17% — 1%
1970s 169 85% 15% — —
1980s 259 82% 17% 1% —
1990s 712 85% 11% 2% 1%
2000s 1218 85% 12% 2% 0%
2010s 1311 90% 8% 1% 0%
2020s 168 93% 5% 2% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…exd4 90% 93% ▲ +3.7%
4…e4 8% 5% ▼ -3.6%
4…d6 1% 2% +0.4%
4…Bb4 0% 0% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 9 parties
Tal, Mikhail — 8 parties
Alekhine, Alexander — 5 parties
Euwe, Max — 5 parties
Smyslov, Vladimir — 4 parties
Lasker, Emanuel — 2 parties
Carlsen, Magnus — 2 parties
Steinitz, Wilhelm — 1 partie
Kramnik, Vladimir — 1 partie
Karpov, Aleksandr — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
4…exd4 — 86.4% (3661 parties)
1913 — Schenkein, Joachim vs Spielmann, Rudolf — 0-1 — Vienna AUT
1922 — Tartakower, Savielly vs Gruenfeld, Ernst — 1/2-1/2 — Vienna AUT
1924 — Rubinstein, Akiba vs Johner, Paul — 1-0 — Berlin GER
1925 — Tartakower, Savielly vs Saemisch, Friedrich — 1-0 — Ch World (match) New York (US
1925 — Steinitz, Wilhelm vs Lasker, Emanuel — 1-0 — Belgie m
4…e4 — 11.2% (476 parties)
1927 — Rasmusson Birger vs Rosselli del Turco, Stefano — 1/2-1/2 — London ENG
1929 — Babel August vs Orbach Wilhelm — 0-1 — Duisburg
1929 — Bigelow, Horace vs Alekhine, Alexander — 0-1 — Bradley Beach
1931 — Kostic, Boris vs Opocensky, Karel — 1-0 — Prague ol Prague CZE
1933 — Apscheneek, Fricis vs Tartakower, Savielly — 0-1 — Folkestone ENG
4…d6 — 1.5% (63 parties)
1953 — Cafferty, Bernard vs Green, LG. — 1-0 — ?
1981 — Herzig Walter vs Jentzsch, Joachim — 1-0 — ?
1984 — ? vs Chess 0.5X — 0-1 — Leiden NED
1988 — De Lauretis P vs Celestini, Mauro — 1-0 — ?
1990 — Christoffel, Martin vs Baumann, Claude — 1-0 — Basel SUI
4…Bb4 — 0.3% (14 parties)
1965 — Johansson, Clas-Erik vs Poetzschmann Rolf — 1/2-1/2 — ?
1993 — Jonkman, Fokke vs Laurent, Claude — 1/2-1/2 — BEL-NLD
1994 — Woods, I. vs Charette B — 1-0 — Fowlerville Jun mini
1995 — Allen, Robert vs Clay Perry — 1-0 — ?
1996 — Stift, Tamas vs Zadori, Janos — 1/2-1/2 — Miskolc