A44t — Czech
1.d4 c5 2.d5 e5 3.e4 d6 4.Nc3 a6
Eval: [+1.41]
Les coups candidats
5.a4 — 88.4% (741 parties)
Ambassadeurs : Rahls, Peter (23x), Kosanski, Stanko (7x), Ostojic, Predrag (6x), Rashkovsky, Nukhim N (5x), Litz, Knut (4x), Barbul, Ionel (4x), Burnett, Andrew (4x), Jagodzinski, Piotr (4x)
5.f4 — 5.3% (44 parties)
Ambassadeurs : Arbakov, Valentin (2x), Rashkovsky, Nukhim N (2x), Rumiancev, Gennadij (2x), Kovacevic, Blazimir (2x), Gothilf, Solomon Borisovich (1x), Shamaev, Leonid (1x), Honfi, K. (1x), Gasztonyi, Endre (1x)
5.Nf3 — 3.1% (26 parties)
Ambassadeurs : Nestorovic, Dejan (2x), Zlatic, Mihailo (2x), Michalik, Peter (2x), Gulko, Boris (1x), Arbakov, Valentin (1x), Panuzzo, John (1x), Terreaux, Gilles (1x), Zhukova, Natalia (1x)
5.Be2 — 1.6% (13 parties)
Ambassadeurs : Shchukin, Dmitry (3x), Tennstedt, Andreas, Dr. (2x), Neidhardt, Claus, Dr. (1x), Hebden, Mark L (1x), Vaisman, Volodia (1x), Volkov, Sergey (1x), Afinogenov, Andrey Y. (1x), Ghitescu, Theodor (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.a4 5.f4 5.Nf3 5.Be2
<1800 7 100%
1800-2200 233 92% 3% 2% 2%
2200-2600 450 85% 6% 4% 2%
2600+ 1 100%
Évolution par décennie (% des parties)
Décennie N parties 5.a4 5.f4 5.Nf3 5.Be2
1930s 7 86% 14%
1940s 1 100%
1950s 8 88% 12%
1960s 24 96% 4%
1970s 8 75% 25%
1980s 65 92% 6% 2%
1990s 185 88% 6% 3% 3%
2000s 291 87% 5% 4% 2%
2010s 219 89% 4% 3% 0%
2020s 30 90% 3% 3% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.a4 89% 90% ▲ +0.5%
5.f4 4% 3% ▼ -0.8%
5.Nf3 3% 3% +0.1%
5.Be2 0% 3% ▲ +2.9%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 1 partie
Alekhine, Alexander — 1 partie
Parties historiques
5.a4 — 88.4% (741 parties)
1934 — Gruenfeld, Ernst vs Palda, Karl — 1-0 — Klosterneuburg
1934 — Euwe, Max vs Alekhine, Alexander — 1/2-1/2 — NED
1937 — Makogonov, Vladimir vs Kasparian, Genrikh — 1-0 — Baku AZE
1937 — Makogonov, Vladimir vs Kasparian, Genrikh — 1-0 — Baku ch
1937 — Prokop, Fabian vs Pelikan, Jan — 1-0 — Prague CZE
5.f4 — 5.3% (44 parties)
1938 — Gothilf, Solomon Borisovich vs Shamaev, Leonid — 1-0 — Leningrad RUS
1959 — Pomar Salamanca, Arturo vs Franco Raymundo, Eduardo — 1/2-1/2 — Santa Cruz de Tenerife
1963 — Honfi, K. vs Gasztonyi, Endre — 1/2-1/2 — Budapest HUN
1970 — Maschian, Houschang vs Cardoso, Ruth — 1-0 — Reggio Emilia ITA
1979 — Miles, Anthony J vs Bernat Domingo, Maria — 0-1 — Buenos Aires ARG
5.Nf3 — 3.1% (26 parties)
1981 — Gulko, Boris vs Arbakov, Valentin — 1/2-1/2 — Moscow RUS
1995 — Panuzzo, John vs Terreaux, Gilles — 1-0 — Compuserve casual
1997 — Yakovich, Yuliya vs Rashkovsky, Nukhim N — 1-0 — Ekaterinburg RUS
1998 — Zhukova, Natalia vs Zhu, Chen — 1-0 — Groningen NED
1998 — Shneider, Aleksandr vs Delemarre, Jop — 1-0 — Cappelle la Grande FRA
5.Be2 — 1.6% (13 parties)
1990 — Hebden, Mark L vs Vaisman, Volodia — 1-0 — Toulouse FRA
1995 — Neidhardt, Claus, Dr. vs Tennstedt, Andreas, Dr. — 1/2-1/2 — BL2-O9495 GER
1996 — Tennstedt, Andreas, Dr. vs Rahimi, Safihalla — 1-0 — Darmstadt
1997 — Ghitescu, Theodor vs Reicher, Emanoil-George — 1/2-1/2 — Sovata
1998 — Volkov, Sergey vs Afinogenov, Andrey Y. — 1-0 — Kstovo RUS