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E12w —
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3
Eval: [+0.08]
Les coups candidats
Ambassadeurs : Sokolov, Ivan (40x), Polugaevsky, Lev (39x), Korchnoi, Viktor (39x), Dreev, Aleksey (38x), Portisch, Lajos (34x), Miles, Anthony J (31x), Seirawan, Yasser (30x), Balashov, Yuri (28x)
Ambassadeurs : Seirawan, Yasser (40x), Farago, Ivan (39x), Miles, Anthony J (38x), Roeder, Matthias (32x), Timman, Jan H (31x), Psakhis, Lev (24x), Lerner, Konstantin Z (24x), Solozhenkin, Evgeniy (24x)
4…d5 — 0.8% (152 parties)
Ambassadeurs : Stempin, Pawel (2x), Sarwinski, Miroslaw (2x), Votava, Jan (2x), Mokal, Amruta Sunil (2x), Macek, Kamil (2x), Ivkov, Borislav (1x), Vizantiadis, Lazaros (1x), Langeweg, Kick (1x)
4…Ba6 — 0.7% (134 parties)
Ambassadeurs : Emmanuel, Benjamin (2x), Richard, Louis (1x), Narraway, James (1x), Krizel, Peter (1x), Jutlah, Brian (1x), Reeh, Oliver (1x), Jimenez Rigo, Joan (1x), Konak, Jan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Bb7 4…Bb4 4…d5 4…Ba6
<1800 622 56% 39% 1% 2%
1800-2200 4922 58% 39% 1% 1%
2200-2600 8212 55% 44% 1% 0%
2600+ 665 62% 38%
Évolution par décennie (% des parties)
Décennie N parties 4…Bb7 4…Bb4 4…d5 4…Ba6
1900s 1 100%
1910s 2 100%
1920s 124 89% 10% 1%
1930s 83 84% 16%
1940s 40 68% 32%
1950s 122 80% 20% 1%
1960s 371 81% 17% 1%
1970s 307 79% 20% 1%
1980s 2238 57% 42% 1% 0%
1990s 3141 58% 40% 1% 1%
2000s 6045 58% 40% 1% 1%
2010s 4906 55% 42% 1% 1%
2020s 700 54% 45% 0% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Bb7 55% 54% ▼ -1.6%
4…Bb4 42% 45% ▲ +2.7%
4…d5 1% 0% -0.5%
4…Ba6 1% 1% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Kramnik, Vladimir — 9 parties
Euwe, Max — 8 parties
Botvinnik, Mikhail — 7 parties
Hou, Yifan — 4 parties
Lasker, Emanuel — 2 parties
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
4…Bb7 — 58.4% (10552 parties)
1914 — Bernstein, Ossip vs Nimzowitsch, Aron — 1/2-1/2 — St Petersburg RUS
1915 — Nenarokov, Vladimir vs Alekhine, Alexander — 0-1 — Moscow RUS
1920 — Bogoljubow, Efim vs Spielmann, Rudolf — 0-1 — Goteborg SWE
1920 — Von Gelder vs Euwe, Max — 0-1 — Amsterdam NED
1920 — Rabinovich, Ilya Mar vs Alekhine, Alexander — 0-1 — Moskou ch-URS
4…Bb4 — 39.6% (7162 parties)
1903 — Siegheim, Bruno vs Michell, Reginald — 0-1 — London ENG
1921 — Rivas Costa, Santiago vs Grau, Roberto G — 0-1 — Carrasco
1923 — Prochazka, Hubert vs Tereba, R. — 1/2-1/2 — Pardubice CZE
1924 — Sterk, Karoly vs Reca, Damian M — 1/2-1/2 — Paris FRA
1926 — Rabinovich, Ilya Mar vs Golubev, Ivan Petrovich — 1-0 — Leningrad RUS
4…d5 — 0.8% (152 parties)
1959 — Tolush, Alexander V vs Pietzsch, Wolfgang — 1-0 — Riga LAT
1962 — Langeweg, Kick vs Hamann Yam, Elliott — 1-0 — Marienbad student tt
1963 — Krzisnik, Zvonko vs Jovanic R — 1-0 — Zenica BIH
1966 — Ziembinski, Marian vs Lachut, Jan — 1-0 — Rzeszow ch POL
1967 — Ivkov, Borislav vs Vizantiadis, Lazaros — 1-0 — Vrnjacka Banja SRB
4…Ba6 — 0.7% (134 parties)
1927 — Richard, Louis vs Narraway, James — 1/2-1/2 — Toronto CAN
1985 — Krizel, Peter vs Jutlah, Brian — 1/2-1/2 — Toronto CAN
1987 — Reeh, Oliver vs Jimenez Rigo, Joan — 1-0 — Dortmund open
1987 — Konak, Jan vs Petrik, Stanislav — 0-1 — Salamanca ESP
1988 — Rajna, George vs Kopec, Danny — 0-1 — St John