E39l - 7…b6 - Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System (1991)

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E39l — Classical Variation, Berlin Variation, Macieja System (1991)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.Nf3 b6
Les coups candidats
8.Bf4 — 49.2% (727 parties)
Ambassadeurs : Macieja, Bartlomiej (13x), Nikolov, Momchil (11x), Krush, Irina (8x), Gulko, Boris (7x), Tomashevsky, Evgeny (7x), Riazantsev, Alexander (7x), Dreev, Aleksey (7x), Sokolov, Ivan (6x)
Ambassadeurs : Grigore, George-Gabriel (13x), Macieja, Bartlomiej (10x), Kveinys, Aloyzas (7x), Ionescu, Constantin (6x), Taimanov, Mark (5x), Marin M, Laura (5x), Gladyszev, Oleg (5x), Pavlidou, Ekaterini (5x)
8.e3 — 3.6% (53 parties)
Ambassadeurs : Kasimdzhanov, Rustam (2x), Denker, Arnold S (2x), Giffard, Nicolas (1x), Villeneuve, Alain (1x), Archer, Clark Emerson (1x), Norman, Kenneth I (1x), Hansen, Evgenia (1x), Akhsharumova, Anna (1x)
8.e4 — 1.8% (27 parties)
Ambassadeurs : Nikolov, Momchil (4x), Morozevich, Alexander (3x), Grigorov, Grigor (2x), Ivanisevic, Ivan (2x), Marcetic, Nikola (1x), Cabrilo, Goran (1x), Jeremic, Veljko (1x), Likavsky, Tomas (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Bf4 8.Bg5 8.e3 8.e4
<1800 40 48% 48% — 2%
1800-2200 313 46% 47% 3% 0%
2200-2600 925 48% 43% 4% 2%
2600+ 93 75% 19% — 5%
Évolution par décennie (% des parties)
Décennie N parties 8.Bf4 8.Bg5 8.e3 8.e4
1950s 4 — 75% — —
1970s 9 22% 78% — —
1980s 51 33% 59% 4% —
1990s 195 25% 67% 5% 1%
2000s 758 50% 43% 4% 1%
2010s 385 63% 27% 3% 3%
2020s 77 51% 40% 4% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Bf4 63% 51% ▼ -12.2%
8.Bg5 27% 40% ▲ +13.5%
8.e3 3% 4% ▲ +1.0%
8.e4 3% 5% ▲ +2.1%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 6 parties
Kasparov, Garry — 2 parties
Ju, Wenjun — 2 parties
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Parties historiques
8.Bf4 — 49.2% (727 parties)
1973 — Grigorian, Levon vs Ruderfer, Mark B — 1-0 — ?
1976 — Whiteley, Andrew Jonathan vs Bakheet Farag — 1-0 — Hastings ENG
1981 — Hjartarson, Johann vs Hansen, Curt — 0-1 — Groningen NED
1982 — Witt, Rob vs Van der Sterren, Paul — 1/2-1/2 — Amsterdam/Drachten NED
1982 — Gorelov, Sergey G vs Makarichev, Sergey — 1-0 — URS-ch sf Ivano Frankovsk
8.Bg5 — 42.7% (631 parties)
1956 — Kramer, Haije vs Poulsen, Christian — 1/2-1/2 — Moskou olm
1957 — Boleslavsky, Isaac vs Taimanov, Mark — 1/2-1/2 — Moskou ch-URS
1958 — De Greif, Boris vs Sanchez, Luis Augusto — 1/2-1/2 — Pereira
1973 — Kahn, Manfred vs Hazai, Laszlo Dr. — 0-1 — Leipzig GER
1973 — Knaak, Rainer vs Liebert, Heinz — 1/2-1/2 — Leipzig GER
8.e3 — 3.6% (53 parties)
1981 — Archer, Clark Emerson vs Norman, Kenneth I — 1/2-1/2 — Morecambe ch-BCF
1984 — Giffard, Nicolas vs Villeneuve, Alain — 1-0 — Ales
1990 — Hansen, Evgenia vs Akhsharumova, Anna — 0-1 — Novi Sad ol women
1993 — Sharma, Anoop vs Denker, Arnold S — 1/2-1/2 — USA
1993 — A Srikanth Sharma vs Denker, Arnold S — 1/2-1/2 — USA op-Philadelphia
8.e4 — 1.8% (27 parties)
1997 — Marcetic, Nikola vs Cabrilo, Goran — 1-0 — Mataruska Banja
2004 — Ivanisevic, Ivan vs Jeremic, Veljko — 1-0 — Topola SCG
2004 — Likavsky, Tomas vs Dydyshko, Viacheslav — 0-1 — Cartak
2005 — Grigorov, Grigor vs Iotov, Valentin — 0-1 — Sunny Beach BUL
2006 — Morozevich, Alexander vs Jakovenko, Dmitry — 1/2-1/2 — Pamplona ESP