E20n — Nimzo-Indian: 4.f3 d5 5.a3 Be7

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 d5 5.a3 Be7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. e4 (Occuper le centre — 89 % des parties) ; cxd5 (Capture en d5, Occuper le centre — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...c5 (Frapper le centre adverse — 8 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 8 % des parties) ; ...dxc4 (Capture en c4, Frapper le centre adverse — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→a3, e2→f3, g2→f3	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (1v0)	● d5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Be7		● Be7 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	5 (● g1, ● c1, ● f1, ● a1, ● h1)	4 (● b8, ● c8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre	● Au centre
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	—	● …e6-e5

Partie
1934 Leningrad ch-URS – Round 1 – Riumin, Nikolai – 1/2-1/2 – Chekhover, Vitaly – G56 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 O-O 9. Be2 Bc5 10. Bg5 a5
1952 URS Ch sf – Round ? – Kuzminykh, Evgeny – 1/2-1/2 – Rovner, Dmitry – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 a5 9. Nf3 Nbd7 10. Bd3 Bc5
1954 Bucharest – Round 15 – Korchnoi, Viktor – 1-0 – Pachman, Ludek – G129 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 O-O 9. Nf3 Ng4 10. Bd3 Bc5
1959 Candidats Tournament – Round 10 – Tal, Mikhail – 0-1 – Keres, Paul Petrovich – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Bc5 9. Bg5 a5 10. Nf3 Qe7
1960 CSR Ch – Round 9 – Jansa, Vlastimil – 1/2-1/2 – Blatny, Frantisek – G77 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 O-O 9. Nf3 Ng4 10. Bd3 Bc5
1960 HUN Ch playoff – Round 10 – Portisch, Lajos – 0-1 – Szabo, Laszlo – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Bc5 9. Bg5 h6 10. Bh4 a5
1963 Hoogovens – Round 15 – O'Kelly, A. – 1-0 – Van den Berg, Cees – G122 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Bc5 9. Bg5 Nbd7 10. Qf3 c6
1964 Capablanca Memorial – Round 14 – O'Kelly, Albéric de Galway – 1/2-1/2 – Bielicki, Carlos – G137 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 O-O 9. Bd3 c6 10. Nf3 Bg4
1964 Ch (Men) Budapest HUN – Round 1 – Szilagyi, Peter – 0-1 – Varnusz, Egon – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Ng4 9. Nf3 a5 10. Bd3 Bc5
1964 Hastings6465 – Round 3 – Gheorghiu, Florin – 1/2-1/2 – Keres, Paul Petrovich – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Bc5 9. Bg5 Bd4 10. Bd3 h6
1965 Asztalos Memorial 8th – Round 8 – Kluger, Gyula – 1-0 – Florian, Tibor – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Ng4 9. Nf3 O-O 10. Bd3 Bc5
1965 Zinnowitz 02nd – Round 14 – Ghitescu, Theodor – 1/2-1/2 – Neukirch, Detlef – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Ng4 9. Be2 Bc5 10. Bxg4 Qh4+
1966 Rubinstein Memorial 04th – Round 6 – Kluger, Gyula – 0-1 – Liebert, Heinz – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Ng4 9. Nf3 Bc5 10. b4 Bf2+
1966 WchTJ U26 fin-A – Round 1 – Gheorghiu, Florin – 1/2-1/2 – Brinck-Claussen, Bjorn – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Bc5 9. Bg5 h6 10. Bh4 a5
1967 CSR Ch – Round 13 – Kupka, Slavoj – 0-1 – Trapl, Jindrich – G87 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Bc5 9. Be2 Ng4 10. Bxg4 Qh4+
1968 Cardenas/Matanzas/Santa Clara – Round 12 – Angulo Castillo, Francisco – 1-0 – Alvarez del Monte, Jose – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e3 O-O 7. Bd3 Nbd7 8. Nge2 c5 9. cxd5 exd5 10. O-O Re8
1969 Vidmar Memorial – Round 14 – Forintos, Gyozo V – 1/2-1/2 – Parma, Bruno – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Bc5 9. Nf3 Bg4 10. h3 Bxf3
1990 Linares 8th – Round 6 – Beliavsky, Alexander G – 1-0 – Spassky, Boris V – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 c5 7. cxd5 exd5 8. e5 Nfd7 9. Nxd5 cxd4 10. Nxe7 Qxe7
1990 Linares 8th – Round 6 – Kasparov, Garry – 1/2-1/2 – Ljubojevic, Ljubomir – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxc4 7. Bxc4 c5 8. dxc5 Qxd1+ 9. Kxd1 Bxc5 10. Nb5 Bb6
1990 Linares 8th – Round 8 – Gelfand, Boris – 1-0 – Spassky, Boris V – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 c5 7. cxd5 exd5 8. dxc5 Bxc5 9. e5 Nfd7 10. Qxd5 O-O
82. Tata Steel GpA 2020 – Round 11.3 – Firouzja, Alireza – 0-1 – Anand, Viswanathan – G66 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 c5 8. e5 Nfd7 9. dxc5 Nxe5 10. Qxd8+ Bxd8
83. Tata Steel Masters 2021 – Round 7.7 – Wojtaszek, Radoslaw – 0-1 – Esipenko, Andrey – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxc4 7. Be3 b5 8. Nxb5 Ba6 9. a4 c6 10. Na3 Bxa3
FIDE Candidates 2020 – Round 2.1 – Caruana, Fabiano – 1-0 – Alekseenko, Kirill – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 c5 8. d5 exd5 9. exd5 O-O 10. Be2 Re8
FIDE Grand Swiss 2025 – Round 10 – Xu Xiangyu – 1/2-1/2 – Gelfand Boris – G570 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxc4 7. Bxc4 c5 8. Nge2 O-O 9. Be3 Nc6 10. dxc5 Ne5
GM 1990 – Round 6 – Kasparov, Garry – 1/2-1/2 – Ljubojevic, Ljubomir – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxc4 7. Bxc4 c5 8. dxc5 Qxd1+ 9. Kxd1 Bxc5 10. Nb5 Bb6
Lindores Abbey Tal Memorial 2021 – Round 16.23 – Cheparinov, Ivan – 1/2-1/2 – Sasikiran, Krishnan – G686 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 c5 8. d5 O-O 9. Be2 exd5 10. exd5 Bf5
Riga FIDE Grand Prix 2019 – Round 2.2 – So, Wesley – 1/2-1/2 – Karjakin, Sergey – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 c5 8. d5 O-O 9. Bd3 Bd6 10. Bg5 Nbd7
Tata Steel Masters 2024 - Round 1 - Vidit, Santosh Gujrathi - 1/2-1/2 - Ding, Liren 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 c5 8. d5 exd5 9. exd5 O-O 10. Be2 a6
USA Ch 2022 – Round 8.1 – Sevian, Samuel – 1/2-1/2 – Caruana, Fabiano – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 c5 8. d5 exd5 9. exd5 O-O 10. Be2 a6
World Blitz 2009 – Round 11 – Mamedyarov, Shakhriyar – 0-1 – Anand, Viswanathan – G108 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Bc5 9. Nf3 Bg4 10. Bd3 Nbd7
World Rapid 2019 – Round 7.42 – Tsvetkov, Andrey – 0-1 – Najer, Evgeniy – G464 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 c5 8. d5 exd5 9. exd5 O-O 10. Nf3 Bg4
Zurich Chess Challenge 2014 – Round 3.2 – Nakamura, Hikaru – 0-1 – Carlsen, Magnus – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Bc5 9. Bg5 O-O 10. Nf3 Bg4

E20n — Nimzo-Indian (1934)

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 d5 5.a3 Be7

Les coups candidats

6.e4 — 88.6% (1326 parties)

Ambassadeurs : Malaniuk, Vladimir P (15x), Moskalenko, Viktor (12x), Volkov, Sergey (11x), Yakovich, Yuri (8x), Gutman, Lev (7x), Siklosi, Zoltan (5x), Raicevic, Vladimir (4x), Milov, Vadim (4x)

6.cxd5 — 5.0% (75 parties)

Ambassadeurs : Babot, Johan (2x), Crispin, Thomas A. (1x), Stubenrauch, Steve A (1x), Moskalenko, Viktor (1x), Naumkin, Igor (1x), Ionescu, Viorica (1x), Csonkics, Tunde (1x), Podat, Vladimir (1x)

6.e3 — 3.9% (59 parties)

Ambassadeurs : Mitev, Georgi (2x), Kurtenkov, Atanas (2x), Kaunas, Kestutis (2x), Castillo, Fabio (1x), Ablanedo Jimenez, Alvaro Alfonso (1x), Raicevic, Vladimir (1x), Lerner, Konstantin Z (1x), Formanek, Edward (1x)

6.Bg5 — 1.2% (18 parties)

Ambassadeurs : Mongeau, Diane (1x), Grandjean-Steiner, Maria (1x), Kampman, Tijmen (1x), Kaeppel, Roland (1x), Gustavsson, Jonas (1x), Kristoffersson, Jimmy (1x), Stumberger, Tania (1x), Maric, Katarina (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.e4	6.cxd5	6.e3	6.Bg5
<1800	54	81%	9%	7%	2%
1800-2200	501	85%	6%	5%	3%
2200-2600	787	90%	5%	3%	0%
2600+	49	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.e4	6.cxd5	6.e3	6.Bg5
1950s	7	100%	—	—	—
1960s	19	89%	—	5%	—
1970s	6	67%	—	17%	—
1980s	89	89%	8%	1%	1%
1990s	217	90%	2%	5%	1%
2000s	334	86%	7%	4%	1%
2010s	501	89%	4%	5%	2%
2020s	323	90%	6%	3%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.e4	89%	90%	▲ +1.8%
6.cxd5	4%	6%	▲ +1.5%
6.e3	5%	3%	▼ -1.2%
6.Bg5	2%	0%	▼ -1.3%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 3 parties
Ding, Liren — 3 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

6.e4 — 88.6% (1326 parties)

1952 — Kuzminykh, Evgeny vs Rovner, Dmitry — 1/2-1/2 — Leningrad RUS
1954 — Kortchnoi, V. vs Pachmann, Otakar — 1-0 — Bucharest ROU
1957 — Baile Jayvant vs Abakarov, D. — 0-1 — Tbilisi GEO
1958 — Golz, Werner vs Kozma, Julius — 1-0 — Prague CZE
1959 — Portisch, Lajos vs Penrose, Jonathan — 1-0 — Budapest HUN

6.cxd5 — 5.0% (75 parties)

1985 — Nogueiras Santiago, Jesus vs Sax, Gyula — 1-0 — Sarajevo BIH
1986 — Podat, Vladimir vs Zvonitsky, V. — 0-1 — UKR
1987 — Crispin, Thomas A. vs Stubenrauch, Steve A — 1/2-1/2 — Portland, OR USA
1987 — Ionescu, Viorica vs Csonkics, Tunde — 0-1 — Primorsko
1988 — Moskalenko, Viktor vs Naumkin, Igor — 0-1 — Riga LAT

6.e3 — 3.9% (59 parties)

1968 — Castillo, Fabio vs Ablanedo Jimenez, Alvaro Alfonso — 1-0 — Santa Clara CUB
1971 — Formanek, Edward vs McClintock, Doug — 0-1 — Missouri Open
1986 — Raicevic, Vladimir vs Lerner, Konstantin Z — 0-1 — Moskou
1991 — Mitev, Georgi vs Kurtenkov, Atanas — 1-0 — ?
1991 — Mitev, Georgi vs Kurtenkov, Atanas — 1-0 — Pazarozik ch-BUL

6.Bg5 — 1.2% (18 parties)

1982 — Mongeau, Diane vs Grandjean-Steiner, Maria — 0-1 — Lucerne SUI
1995 — Gustavsson, Jonas vs Kristoffersson, Jimmy — 0-1 — Hallstahammar
1997 — Stumberger, Tania vs Maric, Katarina — 0-1 — Ljubljana
1999 — Kampman, Tijmen vs Kaeppel, Roland — 0-1 — Bayern
2001 — Szromba, Krzysztof vs Dobrowolski, Piotr — 0-1 — Ustron