A27b — Three Knights
1.c4 e5 2.Nc3 Nc6 3.Nf3 d6
Eval: [+0.55]
Les coups candidats
4.d4 — 56.1% (633 parties)
Ambassadeurs : Ruckschloss, Karol (8x), Banas, Jan (5x), Pedersen, Svend (4x), Marek, Stanislav (4x), Frindt, Kornel (4x), Bilek, Istvan (3x), Holfelder, Hans-Joachim (3x), Jelen, Peter (3x)
4.g3 — 31.9% (360 parties)
Ambassadeurs : Winkelbauer, Manuela (3x), Keres, Paul Petrovich (2x), Rebizzo, Cayetano (2x), Soules, Jorge (2x), Brodie, Hugh (2x), Abasto Garcia, Eric (2x), Nguyen T Thanh, An (2x), Bauer, Kerstin (2x)
4.e3 — 5.3% (60 parties)
Ambassadeurs : Johner, Hans (1x), Naugeli, O (1x), Dikarev, Boris (1x), Sakhanovich, Yuri V (1x), Laco, Giuseppe (1x), Barthe Paoli, Louis (1x), Alvarez Simon, Rodrigo (1x), Treppner, Gerd (1x)
4.d3 — 4.1% (46 parties)
Ambassadeurs : Frank, Heinrich Dr (1x), Helbig, Mark (1x), Paeschke A (1x), Grieger, Thomas (1x), Olle, Peter (1x), Izsak, Gyula (1x), Kroepsch, M. (1x), Havemann M (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.d4 4.g3 4.e3 4.d3
<1800 49 41% 45% 6%
1800-2200 442 57% 33% 4% 3%
2200-2600 268 70% 25% 4% 2%
2600+ 1 100%
Évolution par décennie (% des parties)
Décennie N parties 4.d4 4.g3 4.e3 4.d3
1920s 6 67% 33%
1930s 8 50% 38% 12%
1940s 6 83% 17%
1950s 11 64% 36%
1960s 23 83% 9% 9%
1970s 51 86% 12%
1980s 56 66% 32% 2%
1990s 253 55% 28% 8% 7%
2000s 365 49% 38% 5% 5%
2010s 301 53% 35% 6% 4%
2020s 49 69% 27% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.d4 53% 69% ▲ +16.2%
4.g3 35% 27% ▼ -8.0%
4.e3 6% 4% ▼ -1.6%
4.d3 4% 0% ▼ -3.7%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 1 partie
Parties historiques
4.d4 — 56.1% (633 parties)
1925 — Rabinovich, Ilya Mar vs Nenarokov, Vladimir — 1-0 — Leningrad ch-URS
1926 — Ahues, Carl vs Saemisch, Friedrich — 1/2-1/2 — Berlin GER
1928 — Opocensky, Karel vs Walter, Max — 1-0 — Brno CZE
1928 — Opocensky, Karel vs Walter, Max — 1-0 — ?
1933 — Rovner, Dmitry vs Panov, Vasily — 0-1 — Moscow RUS
4.g3 — 31.9% (360 parties)
1926 — Van Hoorn, Peter vs Loman, Rudolf — 0-1 — Utrecht NED
1927 — Opocensky, Karel vs Tereba, A. — 1-0 — Prague CZE
1932 — Blechschmidt, Paul vs Kieninger, Georg — 0-1 — Nt Bad Ems GER
1934 — Keres, Paul Petrovich vs Garcia Martinez, Silvino — 1-0 — Rakvere ch-EST
1934 — Keres, Paul Petrovich vs Joonas E — 1-0 — Tallinn EST
4.e3 — 5.3% (60 parties)
1936 — Johner, Hans vs Naugeli, O — 0-1 — Lucerne SUI
1968 — Laco, Giuseppe vs Barthe Paoli, Louis — 0-1 — ITA-ch Milan ITA
1969 — Dikarev, Boris vs Sakhanovich, Yuri V — 1/2-1/2 — ?
1983 — Alvarez Simon, Rodrigo vs Treppner, Gerd — 0-1 — Duitsland tt
1990 — Arcusa, Michel vs Normand, Vincent — 1-0 — Provence
4.d3 — 4.1% (46 parties)
1994 — Frank, Heinrich Dr vs Helbig, Mark — 0-1 — Oberliga SuedW 9394
1994 — Fischer, Hans vs Wallis Toni — 1-0 — Mengen
1995 — Kroepsch, M. vs Havemann M — 1-0 — GER
1995 — De Jong, Ben vs Thissen, Thomas — 0-1 — Hengelo NED
1995 — Guburov, Elbrus vs Kijashko I — 1-0 — Armavir