Fin du contenu

Aucune page supplémentaire à charger

E42a —
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2
Eval: [+0.22]
Les coups candidats
5…cxd4 — 54.0% (3251 parties)
Ambassadeurs : Vaisser, Anatoly (21x), Guliev, Sarhan (17x), Browne, Walter Shawn (16x), Yudasin, Leonid (16x), Gligoric, Svetozar (15x), Van der Wiel, John T.H. (15x), Miles, Anthony J (14x), Muir, Andrew J (14x)
5…b6 — 18.0% (1083 parties)
Ambassadeurs : Gyimesi, Zoltan (11x), Psakhis, Lev (10x), Gurevich, Dmitry (9x), Graf, Alexander (8x), Epishin, Vladimir (8x), Peralta, Fernando (8x), Zaja, Ivan (6x), Nguyen, Anh Dung (6x)
Ambassadeurs : Matanovic, Aleksandar (10x), Hulak, Krunoslav (10x), Andersson, Ulf (7x), Vaisser, Anatoly (7x), Naumkin, Igor (6x), O'Kelly de Galway, Alberic (5x), Ghitescu, Theodor (5x), Botvinnik, Mikhail (4x)
5…O-O — 6.5% (390 parties)
Ambassadeurs : Sitnik, Igor (3x), Gual Pascual, Antonio (3x), Mamedova, R. (3x), Okamura, Milton Kasuo (3x), Lutikov, Anatoly S (2x), Golz, Werner (2x), Saidy, Anthony (2x), Muller, Kaden (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…cxd4 5…b6 5…d5 5…O-O
<1800 57 49% 25% 7% 12%
1800-2200 1210 44% 20% 15% 12%
2200-2600 3529 57% 20% 14% 4%
2600+ 197 64% 12% 19%
Évolution par décennie (% des parties)
Décennie N parties 5…cxd4 5…b6 5…d5 5…O-O
1920s 1 100%
1930s 12 75% 8%
1940s 12 42% 8% 17% 25%
1950s 153 36% 9% 33% 10%
1960s 142 43% 8% 31% 11%
1970s 192 54% 4% 22% 7%
1980s 770 70% 7% 18% 4%
1990s 1347 62% 15% 13% 5%
2000s 1376 53% 21% 14% 7%
2010s 1627 47% 27% 11% 7%
2020s 390 41% 18% 23% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…cxd4 47% 41% ▼ -5.2%
5…b6 27% 18% ▼ -8.9%
5…d5 11% 23% ▲ +12.4%
5…O-O 7% 7% ▼ -0.5%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 9 parties
Kasparov, Garry — 7 parties
Anand, Viswanathan — 7 parties
Botvinnik, Mikhail — 6 parties
Karpov, Aleksandr — 4 parties
Euwe, Max — 2 parties
Tal, Mikhail — 2 parties
Carlsen, Magnus — 2 parties
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
5…cxd4 — 54.0% (3251 parties)
1927 — Baratz, Abraham vs Blondel Bertrand, Henri — 1-0 — Paris FRA
1930 — Rubinstein, Akiba vs Nemethne Takacs, Gyongyi — 1/2-1/2 — Brussels BEL
1930 — Rubinstein, Akiba vs Maroczy, Geza — 1-0 — Hamburg olm
1930 — Rubinstein, Akiba vs Maroczy, Geza — 1-0 — Hamburg GER
1930 — Rubinstein, Akiba vs Ahues, Carl — 0-1 — Liege
5…b6 — 18.0% (1083 parties)
1949 — Nilsson, Zandor vs Nielsen, Axel — 1-0 — Jonkoping
1951 — Fuderer, Andrija vs Goedde, Ernst — 0-1 — Dortmund GER
1952 — Nedeljkovic, Aleksandar vs Germek, Nikolay — 1/2-1/2 — It Belgrade YUG
1952 — O'Kelly, Albéric de Galway vs Puc, Stojan — 1/2-1/2 — Belgrade SRB
1952 — Joyner, Lionel vs Dake, Arthur William — 1-0 — Hollywood
5…d5 — 15.2% (913 parties)
1938 — Landau, Salo vs Michell, Reginald — 1-0 — Hastings ENG
1948 — Kramer, George vs Ulvestad, Olaf — 1/2-1/2 — US op Baltimore, MD USA
1949 — Blanco Cruz, Wara vs Luckis, Marcos — 1/2-1/2 — Mar del Plata ARG
1950 — O'Kelly de Galway, Alberic vs Matanovic, Aleksandar — 1/2-1/2 — Bled SLO
1950 — Fine, Reuben vs Reshevsky, Samuel — 0-1 — New York, NY USA
5…O-O — 6.5% (390 parties)
1948 — Steven, George A vs Abellan Lopez, Antonio — 1-0 — ARG-USA
1949 — Bogoljubow, Efim vs Walther, Edgar — 1-0 — Oldenburg GER
1949 — Evans, Larry vs Koenig, Imre — 1-0 — Hastings ENG
1951 — Andric, Dragoslav vs Puc, Stojan — 1-0 — Ljubljana
1951 — Euwe, Max vs Van Oosterwijk, Bruyn — 1-0 — Utrecht NED