Ambassadeurs : Struzka, Vlastimil (35x), Lucena Cifré, Rafael José (17x), Bass Stanley (16x), Schaufelberger, Heinz (15x), Stern, Rafael (15x), Schmidt, Roland 1959 (13x), Stern, Rene (9x), Strutinskaia, Galina (9x)
4…b6 — 17.0% (1016 parties)
Ambassadeurs : Struzka, Vlastimil (9x), Schmidt, Roland 1959 (7x), Stern, Rafael (6x), Astengo, Marcello (4x), Loik, Galina (4x), Ardila, Oscar Humberto (4x), Thomas, George Alan (3x), Nestorovic, Lazar (3x)
4…c5 — 13.8% (826 parties)
Ambassadeurs : Maki-Uuro, Miikka (5x), Bass Stanley (5x), Schmidek, Emil (5x), Ma, Lin (4x), Kelecevic, Nedeljko (3x), Jakobsen, Ole (3x), Bousios, Hristos (3x), Storslett, Roald (3x)
4…d5 — 13.2% (787 parties)
Ambassadeurs : Farago, Ivan (5x), Nittschalk, Karl (4x), Macskasy, Elod (3x), Dejkalo, Stefan (3x), Kelecevic, Nedeljko (3x), Nemet, Ivan (3x), Sax, Gyula (3x), Schaufelberger, Heinz (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
4…O-O
4…b6
4…c5
4…d5
<1800
526
51%
17%
16%
10%
1800-2200
2128
51%
20%
12%
12%
2200-2600
1109
57%
15%
10%
16%
2600+
20
65%
10%
5%
20%
Évolution par décennie (% des parties)
Décennie
N parties
4…O-O
4…b6
4…c5
4…d5
1880s
1
100%
—
—
—
1910s
1
100%
—
—
—
1920s
14
57%
29%
14%
—
1930s
48
56%
17%
2%
15%
1940s
25
44%
20%
—
36%
1950s
39
44%
3%
13%
36%
1960s
50
44%
10%
24%
20%
1970s
81
56%
5%
19%
16%
1980s
197
50%
11%
17%
20%
1990s
946
45%
12%
19%
15%
2000s
1699
47%
19%
14%
13%
2010s
2117
53%
19%
11%
12%
2020s
749
58%
15%
13%
11%
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
4…O-O
53%
58%
▲ +4.9%
4…b6
19%
15%
▼ -3.7%
4…c5
11%
13%
▲ +1.8%
4…d5
12%
11%
▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 3 parties Hou, Yifan — 2 parties Smyslov, Vladimir — 1 partie
Parties historiques
4…O-O — 50.5% (3016 parties)
1883 — Englisch, Berthold vs Blackburne, Joseph — 1/2-1/2 — London ENG 1919 — Spielmann, Rudolf vs Bogoljubow, Efim — 1/2-1/2 — Stockholm November 1922 — Saemisch, Friedrich vs Przepiorka, Dawid — 1-0 — Bad Pistyan CZE 1923 — Brinckmann, Alfred vs Nimzowitsch, Aron — 0-1 — Kolding 1925 — Tarrasch, Siegbert vs Saemisch, Friedrich — 1/2-1/2 — Breslau GER
4…b6 — 17.0% (1016 parties)
1925 — Vidmar, Milan Sr vs Sergeant, Edward — 1-0 — Hastings Town Hall 1928 — Drewitt, John Arthur James vs Thomas, George Alan — 0-1 — Cheltenham 1929 — Seitz, Jakob Adolf vs Znosko-Borovsky, Eugene — 1/2-1/2 — Paris FRA 1929 — Tartakower, Savielly vs Thomas, George Alan — 1-0 — Scarborough ENG 1930 — Alekhine, Alexander vs Pirc, Vasja — 0-1 — Ljubljana/Novi Sad/Zagreb
4…c5 — 13.8% (826 parties)
1920 — Rubinstein, Akiba vs Selezniev, Alexey — 1-0 — Goteborg SWE 1929 — Marshall, Frank vs Steiner, Herman — 1-0 — Bradley Beach 1932 — E Kiiver vs Keres, Paul — 0-1 — Tartu 1953 — Korning, Peter vs Poulsen, Christian — 0-1 — Horsens 1957 — Scheipl, Ralf vs de Jager, Andreas — 1-0 — Bad Neuenahr GER
4…d5 — 13.2% (787 parties)
1930 — Weenink, Henri vs Saemisch, Friedrich — 1-0 — Hamburg GER 1930 — Duchamp, Marcel vs Znosko-Borovsky, Eugene — 1/2-1/2 — Nice FRA 1931 — Duchamp, Marcel vs Znosko-Borovsky, Eugene — 1/2-1/2 — Nice FRA 1932 — Grigoriev, Nikolai vs Kan, Ilya A — 0-1 — Moscow RUS 1932 — Duchamp, Emile vs Nemethne Takacs, Gyongyi — 1-0 — cr.
Hou, Yifan — 2 parties
Smyslov, Vladimir — 1 partie
1919 — Spielmann, Rudolf vs Bogoljubow, Efim — 1/2-1/2 — Stockholm November
1922 — Saemisch, Friedrich vs Przepiorka, Dawid — 1-0 — Bad Pistyan CZE
1923 — Brinckmann, Alfred vs Nimzowitsch, Aron — 0-1 — Kolding
1925 — Tarrasch, Siegbert vs Saemisch, Friedrich — 1/2-1/2 — Breslau GER
1928 — Drewitt, John Arthur James vs Thomas, George Alan — 0-1 — Cheltenham
1929 — Seitz, Jakob Adolf vs Znosko-Borovsky, Eugene — 1/2-1/2 — Paris FRA
1929 — Tartakower, Savielly vs Thomas, George Alan — 1-0 — Scarborough ENG
1930 — Alekhine, Alexander vs Pirc, Vasja — 0-1 — Ljubljana/Novi Sad/Zagreb
1929 — Marshall, Frank vs Steiner, Herman — 1-0 — Bradley Beach
1932 — E Kiiver vs Keres, Paul — 0-1 — Tartu
1953 — Korning, Peter vs Poulsen, Christian — 0-1 — Horsens
1957 — Scheipl, Ralf vs de Jager, Andreas — 1-0 — Bad Neuenahr GER
1930 — Duchamp, Marcel vs Znosko-Borovsky, Eugene — 1/2-1/2 — Nice FRA
1931 — Duchamp, Marcel vs Znosko-Borovsky, Eugene — 1/2-1/2 — Nice FRA
1932 — Grigoriev, Nikolai vs Kan, Ilya A — 0-1 — Moscow RUS
1932 — Duchamp, Emile vs Nemethne Takacs, Gyongyi — 1-0 — cr.