E38g — Nimzo-Indian: Classical, 4…c5 5.dxc5 Qc7

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Qc7 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nf3 (Développer g1 — 50 % des parties) ; a3 (Préparer expansion aile dame — 44 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bxc5 (Fou actif (mobilité 9) — 79 % des parties) ; ...a6 (Préparer expansion aile dame — 14 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	● c4, ● c5	—
Pions isolés	—	—
Arriérés	—	● d7
Chaînes	—	● d7→e6, f7→e6
Passés	—	—
Majorité	● aile dame 4v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● b5 (2v0)	—
Cases faibles	—	—
Centre	● e4 (2v1)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
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	mobile
Ruptures	● c5-c6	● …d7-d6, ● …d7-d5

Partie
6. World Blitz 2010 – Round 21.3 – Eljanov, Pavel – 1-0 – Gelfand, Boris – G151 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. Nf3 a6 7. e3 Bxc5 8. b3 Be7 9. Bb2 d6 10. Be2 Nbd7
Candidats Tournament 1985 – Round 9 – Smyslov, Vassily – 1/2-1/2 – Portisch, Lajos – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. a3 Bxc5 7. b4 Be7 8. Nb5 Qc6 9. Nf3 d6 10. Nfd4 Qd7
FIDE-Wch k.o. 1999 – Round 7.2 – Khalifman, Alexander – 1/2-1/2 – Akopian, Vladimir – G125 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. Nf3 Bxc5 7. g3 Qb6 8. e3 Be7 9. Bg2 a6 10. O-O Qc7
Interpolis 1993 – Round 2 – Salov, Valery – 1/2-1/2 – Yudasin, Leonid – G85 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. Nf3 Bxc5 7. Bg5 Be7 8. e4 d6 9. Nb5 Qa5+ 10. Bd2 Qd8
Interpolis 1993 – Round 3 – Bareev, Evgeny – 1-0 – Razuvaev, Yuri S – G121 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. Nf3 Bxc5 7. g3 a6 8. Bf4 d6 9. Bg2 Nbd7 10. O-O O-O
Jakarta / Yogya / Bali 1983 – Round 17 – Seirawan, Yasser – 1-0 – Portisch, Lajos – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. Nf3 Bxc5 7. Bg5 Be7 8. e4 d6 9. Nb5 Qc6 10. O-O-O Nbd7
Madrid rapid 1988 – Round 7 – Gurevich, Mikhail – 1-0 – Portisch, Lajos – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. a3 Bxc5 7. b4 Be7 8. Nb5 Qc6 9. Nf3 d6 10. Nfd4 Qb6
PCA Qualifiers 1993 – Round 7 – Bareev, Evgeny – 1-0 – Yudasin, Leonid – G126 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. Nf3 Bxc5 7. g3 b6 8. Bf4 Qc6 9. Bg2 Bb7 10. O-O O-O
RUS Ch Superfinal 2005 – Round 7 – Bareev, Evgeny – 1-0 – Morozevich, Alexander – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. Nf3 Bxc5 7. g3 a6 8. Bf4 d6 9. Bg2 h6 10. Rc1 Nc6
Thessaloniki olm 1984 – Round 1 – Saeed, Saeed-Ahmed – 0-1 – Portisch, Lajos – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. a3 Bxc5 7. b4 Be7 8. Nb5 Qc6 9. Nd4 Qb6 10. c5 Qd8
Toluca Interzonal 1982 – Round 2 – Hulak, Krunoslav – 1/2-1/2 – Portisch, Lajos – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. Nf3 Bxc5 7. Bg5 a6 8. e3 Be7 9. Be2 d6 10. O-O Nbd7
World Blitz 2015 – Round 5.4 – Dreev, Aleksey – 1/2-1/2 – Bocharov, Dmitry – G306 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. Nf3 Bxc5 7. b3 a6 8. Bb2 b6 9. e3 Bb7 10. Bd3 Be7

E38g — Classical (1982)

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Qc7

Les coups candidats

6.Nf3 — 49.9% (359 parties)

Ambassadeurs : Csom, Istvan (14x), Bocharov, Dmitry (10x), Gipslis, Aivars (8x), Anastasian, Ashot (8x), Zhao, Xue (8x), Naiditsch, Arkadij (7x), Chernin, Alexander (6x), Hulak, Krunoslav (6x)

6.a3 — 44.4% (319 parties)

Ambassadeurs : Csom, Istvan (9x), Adamski, Jan (9x), Portisch, Lajos (8x), Petrosian, Arshak B (7x), Gipslis, Aivars (6x), Berkes, Ferenc (6x), Anastasian, Ashot (5x), Bocharov, Dmitry (5x)

6.Bg5 — 1.7% (12 parties)

Ambassadeurs : Candela Perez, Jose (2x), Vera Gonzalez-Quevedo, Reynaldo (1x), Yudasin, Leonid (1x), Georgiev, Kaloyan (1x), Gurevich, Valery M. (1x), Divljan, Igor (1x), Khan, Zamir (1x), Panchenko, Alexandar G (1x)

6.Bd2 — 1.7% (12 parties)

Ambassadeurs : Csom, Istvan (2x), Mendez, Ernesto (1x), Caramia, Javier (1x), Akhsharumova, Anna (1x), Bellin, Jana M (1x), Chiong Zacarias Romero, Luis (1x), Ostojic, Predrag (1x), Levin, Felix (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Nf3	6.a3	6.Bg5	6.Bd2
<1800	10	70%	30%	—	—
1800-2200	110	37%	54%	1%	5%
2200-2600	546	52%	43%	1%	1%
2600+	30	67%	27%	7%	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Nf3	6.a3	6.Bg5	6.Bd2
1980s	47	51%	40%	4%	—
1990s	172	41%	53%	2%	3%
2000s	286	54%	42%	2%	1%
2010s	183	51%	42%	1%	2%
2020s	31	52%	45%	—	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Nf3	51%	52%	+0.2%
6.a3	42%	45%	▲ +3.6%
6.Bg5	1%	0%	▼ -0.5%
6.Bd2	2%	3%	▲ +1.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

6.Nf3 — 49.9% (359 parties)

1982 — Toth, Balazs vs Cuartas, Jaime Alexander — 1-0 — Biel SUI
1982 — Chekhov, Valery A vs Petrosian, Arshak B — 1/2-1/2 — Telavi
1982 — Hulak, Krunoslav vs Portisch, Lajos — 1/2-1/2 — Toluca izt
1982 — Hulak, Krunoslav vs Portisch, Lajos — 1/2-1/2 — Toluca izt
1983 — Arkhipov, Sergey vs Gipslis, Aivars — 0-1 — Moscow RUS

6.a3 — 44.4% (319 parties)

1981 — Forintos, Gyozo V vs Portisch, Lajos — 1-0 — Budapest HUN
1982 — Mulder van Leens Dijkstra, Kornelis vs Gipslis, Aivars — 1/2-1/2 — ?
1983 — Bagirov, Vladimir vs Csom, Istvan — 0-1 — Frunze KGZ
1983 — Hamann, Svend vs Csom, Istvan — 1/2-1/2 — Copenhagen DEN
1983 — Petrosian, Tigran A. vs Psakhis, Lev — 1/2-1/2 — Tallinn EST

6.Bg5 — 1.7% (12 parties)

1988 — Georgiev, Kaloyan vs Gurevich, Valery M. — 1/2-1/2 — Reggio Emilia ITA
1989 — Vera Gonzalez-Quevedo, Reynaldo vs Yudasin, Leonid — 0-1 — Leningrad RUS
1995 — Candela Perez, Jose vs Panchenko, Alexandar G — 1/2-1/2 — Villalba,ESP
1997 — Teplitsky, Yan vs Ferguson, James — 1-0 — Vancouver Keres mem
1998 — Divljan, Igor vs Khan, Zamir — 0-1 — North Bay CAN

6.Bd2 — 1.7% (12 parties)

1990 — Akhsharumova, Anna vs Bellin, Jana M — 1-0 — Novi Sad SRB
1991 — Ostojic, Predrag vs Levin, Felix — 1/2-1/2 — Kecskemet HUN
1992 — Chiong Zacarias Romero, Luis vs Csom, Istvan — 0-1 — SUI
1993 — Mendez, Ernesto vs Caramia, Javier — 1/2-1/2 — Martinez Valle
1993 — Wikstrom, Per vs Csom, Istvan — 0-1 — Gausdal Peer Gynt