A27b — Three Knights (1925)
1.c4 e5 2.Nc3 Nc6 3.Nf3 d6
Les coups candidats
4.d4 — 55.9% (624 parties)
Ambassadeurs : Ruckschloss, Karol (7x), Hausner, Ivan (4x), Bak, Istvan (3x), Marzano, Carlo (3x), Cafferty, Bernard (3x), Holfelder, Hans-Joachim (3x), Frindt, Kornel (3x), Terpugov, Evgeny (2x)
4.g3 — 31.9% (356 parties)
Ambassadeurs : Rebizzo, Cayetano (2x), Soules, Jorge (2x), Brodie, Hugh (2x), Garcia , Efren (2x), Nguyen Thanh An (2x), Villing, Dieter (2x), Winkelbauer, Manuela (2x), Grachev, Maxim (2x)
4.e3 — 5.4% (60 parties)
Ambassadeurs : Dikarev, Boris (1x), Sakhanovich, Yuri V (1x), Laco, Giuseppe (1x), Paoli, Enrico (1x), Simon, Ralf-Axel (1x), Treppner, Gerd (1x), Coleman, Guy (1x), Koopman, Colin (1x)
4.d3 — 4.1% (46 parties)
Ambassadeurs : Olle, Peter (1x), Izsak, Gyula (1x), Fourn, Pierre-Andre (1x), Grammatico, Eric (1x), Kandetzki, Christoph (1x), Schulze, Mirko (1x), Sen Gupta, D. (1x), Mihailovs, Jurijs (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 97 38% 41% 5% 8%
1800-2200 516 56% 34% 4% 3%
2200-2600 247 74% 20% 4% 2%
Évolution par décennie (% des parties)
Décennie N parties 4.d4 4.g3 4.e3 4.d3
1950s 11 64% 36% — —
1960s 23 83% 9% 9% —
1970s 50 86% 12% — —
1980s 57 67% 32% 2% —
1990s 253 55% 28% 8% 7%
2000s 366 49% 37% 5% 5%
2010s 303 53% 35% 6% 4%
2020s 53 70% 26% 4% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.d4 53% 70% ▲ +16.7%
4.g3 35% 26% ▼ -8.2%
4.e3 6% 4% ▼ -1.8%
4.d3 4% 0% ▼ -3.6%
Parties historiques
4.d4 — 55.9% (624 parties)
1951 — Lehmann, Heinz vs Pfeiffer, Gerhard — 1-0 — FRG-ch Duesseldorf GER
1952 — Veltmander, Iogannes vs Terpugov, Evgeny — 1-0 — Riga LAT
1952 — Alexander Tadala vs Terpugov, Evgeny — 1-0 — Riga LAT
1956 — Ojanen, Kaarle S vs Vestol, Aage — 1/2-1/2 — Moskou olm
1957 — Anay Barche vs Koberl, Ferenc — 1-0 — Budapest HUN
4.g3 — 31.9% (356 parties)
1952 — Rebizzo, Cayetano vs Soules, Jorge — 0-1 — Rosario ARG
1952 — Rebizzo, Cayetano vs Soules, Jorge — 0-1 — Rosario ARG
1954 — Sarosy, Zoltan L vs Avery, Peter — 0-1 — Toronto CAN
1958 — Rapaka Samuel Paul vs Bernstein, Sidney — 1-0 — New York, NY USA
1964 — Maedler, Juergen, Dr. vs Radovici, Corvin — 1/2-1/2 — Sinaia
4.e3 — 5.4% (60 parties)
1968 — Laco, Giuseppe vs Paoli, Enrico — 0-1 — ITA-ch Milan ITA
1969 — Dikarev, Boris vs Sakhanovich, Yuri V — 1/2-1/2 — ?
1983 — Simon, Ralf-Axel vs Treppner, Gerd — 0-1 — GER
1990 — Arcusa, Michel vs Normand, Vincent — 1-0 — Provence
1993 — Lein, Josef vs Kotz, Wolfram — 1-0 — Schloss Schney
4.d3 — 4.1% (46 parties)
1994 — Schwarz, Frank vs Helbig, Mark — 0-1 — GER
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