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D31b — Janowski Variation (1902)
1.d4 d5 2.c4 e6 3.Nc3 a6
Les coups candidats
4.cxd5 — 81.4% (3022 parties)
Ambassadeurs : Lugovskoy, Maxim (40x), Grachev, Boris (22x), Nie, Xinyang (15x), Rakhmanov, Aleksandr (15x), Bilguun, Sumiya (14x), Drazic, Sinisa (11x), Chylewski, Patryk (10x), Mouhamad, Joachim (10x)
4.Nf3 — 6.6% (245 parties)
Ambassadeurs : Lundgren, Bernt (3x), Tran Thi Phuong Anh (3x), Vasilevich, Tatjana (3x), Marx, Nicolas (2x), Iljin, Timofey (2x), Kambrath, Yannick (2x), Lugovskoy, Maxim (2x), Silva, Mariana (2x)
4.e3 — 5.3% (197 parties)
Ambassadeurs : Lugovskoy, Maxim (3x), Spalir, Jernej (2x), Rakhmatullaev, Almas (2x), Ullrich, Bruno (1x), Ruppe, Otto (1x), Ebenfeld, Tobias (1x), Ayush Sengar (1x), Smirnov, Andrey (1x)
4.e4 — 2.3% (85 parties)
Ambassadeurs : Epishin, Vladimir (2x), Ciarletta, Iris (2x), Kaliakhmet, Elnaz (2x), Moskalenko, Viktor (2x), Schuster, Theodor (1x), Wolk, Sigmund (1x), Sorvari, Jarmo (1x), De Freitas, Wilian Fernando (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.cxd5 4.Nf3 4.e3 4.e4
<1800 203 62% 16% 9% 3%
1800-2200 1300 76% 8% 7% 3%
2200-2600 1982 87% 4% 4% 2%
2600+ 137 96% 1% 1%
Évolution par décennie (% des parties)
Décennie N parties 4.cxd5 4.Nf3 4.e3 4.e4
1950s 7 57% 14% 14% 14%
1960s 3 100%
1970s 2 50% 50%
1980s 12 75% 8% 17%
1990s 41 41% 32% 7% 5%
2000s 131 62% 14% 13% 4%
2010s 1171 78% 8% 7% 3%
2020s 2345 85% 5% 4% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.cxd5 78% 85% ▲ +6.4%
4.Nf3 8% 5% ▼ -3.3%
4.e3 7% 4% ▼ -3.0%
4.e4 3% 2% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 4 parties
Carlsen, Magnus — 3 parties
Gukesh D — 2 parties
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Parties historiques
4.cxd5 — 81.4% (3022 parties)
1952 — Kasparian, Genrikh vs Aronin, Lev — 1/2-1/2 — Moskou ch-URS
1956 — Spassky, Boris Vasily vs Polugaevsky, Lev — 1/2-1/2 — Leningrad ch-URS
1956 — Korchnoi, Viktor vs Polugaevsky, Lev — 1-0 — Leningrad ch-URS
1959 — Averbakh, Yuri L vs Abanin, Vladimir — 1/2-1/2 — Moscow RUS
1960 — Levin, Mikhail vs Alexander, Ken R D — 1/2-1/2 — Kiev UKR
4.Nf3 — 6.6% (245 parties)
1950 — Bobotsov, Milko G vs Popov, Vesselin — 0-1 — Sofia BUL
1976 — Viglundsson, Bjorgvin vs Estimo, Samuel — 1/2-1/2 — Haifa ISR
1988 — Lind, Goran vs Baraa Merete F — 0-1 — ?
1992 — Curione, Francesco vs Lundgren, Bernt — 0-1 — Cattolica ITA
1993 — Bianchi, Albino vs Gorelli Fagiolini, Marco — 0-1 — Pistoia
4.e3 — 5.3% (197 parties)
1950 — Ullrich, Bruno vs Ruppe, Otto — 1/2-1/2 — Soemmerda GER
1988 — Smirnov, Andrey vs Ljashkevich, Leonid — 1/2-1/2 — ?
1989 — Ebenfeld, Tobias vs Ayush Sengar — 0-1 — Kehl AT2
1998 — Keller, Wendel vs Reichel, Fritz — 1/2-1/2 — Postbauer
1999 — Simondet, Camille vs Karbovnik, Sylvain — 1-0 — Nancy
4.e4 — 2.3% (85 parties)
1959 — Schuster, Theodor vs Wolk, Sigmund — 1/2-1/2 — Minden
1993 — Sorvari, Jarmo vs De Freitas, Wilian Fernando — 1-0 — Helsinki FIN
1997 — Gilman, Arkadiy M. vs Zhuravlev, Valery Ivanovich — 1/2-1/2 — Ozery op2 Seniors
2001 — Jovanovic, Sasa T vs Johnsen, Sverre — 1/2-1/2 — Belgrade SRB
2005 — Kopasov, Evgeny vs Znamensky, Vladimir — 0-1 — St Petersburg RUS