E48b - 6.a3 - Nimzo-Indian (1935)

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E48b — Nimzo-Indian (1935)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.a3
Les coups candidats
6…Bxc3+ — 80.4% (2802 parties)
Ambassadeurs : Milov, Vadim (30x), Sarana, Alexey (28x), Kozak, Adam (19x), Lobanov, Sergei (17x), Levitt, Jonathan P (16x), Szabo, Zsolt (15x), Hoi, Carsten (13x), Gulko, Boris (13x)
6…dxc4 — 11.7% (409 parties)
Ambassadeurs : Tal, Mikhail (7x), Daulyte-Cornette, Deimante (7x), Sarana, Alexey (7x), Botvinnik, Mikhail (6x), Bakheet Farag (6x), Guichard, Paul (6x), Vetokhin, Savva (6x), Sokolov, Andrei (5x)
6…Be7 — 7.1% (249 parties)
Ambassadeurs : Eperjesi, Laszlo Dr. (3x), Pranav A V A (2x), Klukin, Kirill (2x), Botvinnik, Mikhail (1x), Kholmov, Ratmir D (1x), Donner, Jan-Hein (1x), O'Kelly, Albéric de Galway (1x), Farber, Eoghan (1x)
6…Bd6 — 0.7% (26 parties)
Ambassadeurs : Kristjansson, Olafur (1x), Sigurjonsson, Bjorn (1x), Steinbacher, Matthias, Dr. (1x), Fahnenschmidt, Gerhard (1x), Gehlert, Klaus (1x), Ittner, Hans (1x), Sasikiran, Krishnan (1x), Kunte, Abhijit (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…Bxc3+ 6…dxc4 6…Be7 6…Bd6
<1800 85 86% 5% 7% 2%
1800-2200 769 83% 7% 9% 1%
2200-2600 2081 81% 12% 7% 1%
2600+ 232 80% 17% 3% 0%
Évolution par décennie (% des parties)
Décennie N parties 6…Bxc3+ 6…dxc4 6…Be7 6…Bd6
1950s 92 67% 20% 13% —
1960s 68 53% 41% 6% —
1970s 82 59% 24% 16% 1%
1980s 146 58% 27% 14% 1%
1990s 321 82% 8% 9% 1%
2000s 395 84% 6% 9% 1%
2010s 604 86% 5% 7% 1%
2020s 1778 82% 12% 5% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…Bxc3+ 86% 82% ▼ -4.0%
6…dxc4 5% 12% ▲ +7.2%
6…Be7 7% 5% ▼ -2.2%
6…Bd6 1% 0% ▼ -1.0%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 7 parties
Gukesh D — 5 parties
Carlsen, Magnus — 3 parties
Ju, Wenjun — 3 parties
Karpov, Anatoly — 2 parties
Hou, Yifan — 1 partie
Ding, Liren — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
6…Bxc3+ — 80.4% (2802 parties)
1950 — Collins Justin vs Cuadrado Pastor, Antonio — 1-0 — corr Wch1
1950 — Chaude de Silans, Chantal vs Keller-Hermann, Edith — 1-0 — Moscow RUS
1950 — Von Baudissin, Georg vs Rinder, Elfriede — 1/2-1/2 — Weidenau
1950 — Collet, Hugo vs Donner, Jan-Hein — 0-1 — Beverwijk NED
1950 — Collet, Hugo vs Donner, Jan-Hein — 0-1 — Beverwijk NED
6…dxc4 — 11.7% (409 parties)
1950 — Van Seters, Frits vs Donner, Jan-Hein — 0-1 — Beverwijk NED
1951 — Ilivitsky, Georgy A vs Averbakh, Yuri L — 0-1 — Sverdlovsk
1951 — Nuernberg, Friedrich vs Bogoljubow, Efim — 0-1 — Augsburg GER
1952 — Ilivitsky, Georgy A vs Lipnitsky, Isaac — 1/2-1/2 — Moskou ch-URS
1952 — Pasman, Marks vs Cherepkov, Alexander V — 1/2-1/2 — Riga LAT
6…Be7 — 7.1% (249 parties)
1950 — Poulsen, Christian vs Nielsen, Hartvig — 1-0 — Aalborg DEN
1951 — Rabar, Braslav vs Janosevic, Dragoljub — 1-0 — Ljubljana
1951 — Abdi, Andreas vs Nedeljkovic, Srecko M — 1/2-1/2 — Ljubljana
1952 — Farber, Eoghan vs Molnar, Aaron — 1/2-1/2 — CCOL2 corr
1952 — Udovcic, Mijo vs Trifunovic, Petar — 1/2-1/2 — Belgrade SRB
6…Bd6 — 0.7% (26 parties)
1970 — Kristjansson, Olafur vs Sigurjonsson, Bjorn — 1-0 — Reykjavik ISL
1983 — Steinbacher, Matthias, Dr. vs Fahnenschmidt, Gerhard — 0-1 — Duitsland tt
1996 — Gehlert, Klaus vs Ittner, Hans — 1-0 — GER
1998 — Sasikiran, Krishnan vs Kunte, Abhijit — 1/2-1/2 — Calcutta IND
2004 — Bekker-Jensen, Simon vs Jorgensen, Brian — 0-1 — Denmark