E39e — Nimzo-Indian: Classical, Pirc, 6.Nf3 Na6

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Nf3 Na6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plan principal. Jeu sur l'aile dame.

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (4 contre 2), les cases fortes e4, b5 et g5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le pion arriéré d7 et le fou enfermé en c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c1 et f1 et les tours a1 et h1).

Plans. e4 (Centre d4+e4, menace e5, libère Bf1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), un fou actif en b4, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en c1 et f1, le roi resté au centre et une pièce en prise (le pion en c5).

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8) et le pion arriéré d7.

Plans. ...d6 (Libérer Bc8) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

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	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● b5 (2v0), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (1v0), ● 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	4 (● c1, ● f1, ● a1, ● h1)	2 (● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e2-e3	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1947 Leningrad ch-URS – Round 10 – Flohr, Salo – 1/2-1/2 – Tolush, Alexander – G105 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Rc8
1948 Saltsjobaden Interzonal – Round 19 – Pirc, Vasja – 1/2-1/2 – Bondarevsky, Igor – G171 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Ba6 10. a3 Bxc3
1949 Hastings4950 – Round 1 – Wood, Beau – 1/2-1/2 – Euwe, Max – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bg5 Nxc5 8. a3 Bxc3+ 9. Qxc3 Nfe4 10. Bxd8 Nxc3
1951 DDR Ch – Round 10 – Knothe, Karl – 1/2-1/2 – Schlieder, Rolf – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bg5 Nxc5 8. a3 Bxc3+ 9. Qxc3 Nce4 10. Bxf6 Nxf6
1952 DDR Ch 03rd – Round 7 – Knothe, Karl – 0-1 – Schlieder, Rolf – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Bxc5 8. Be2 b6 9. O-O Nb4 10. Qb1 Bb7
1952 Helsinki olm – Round 1 – Najdorf, Miguel – 1/2-1/2 – Keres, Paul Petrovich – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Nce4
1954 Belgrade – Round 16 – Wade, Robert G – 1/2-1/2 – Pirc, Vasja – G128 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Ba6 10. O-O Rc8
1954 Kiev ch-URS – Round 1 – Flohr, Salo – 1/2-1/2 – Kholmov, Ratmir D – G56 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Na6 6. Nf3 O-O 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Nce4
1955 American Continental – Round 7 – Dodero, Emilio – 1-0 – Corte, Cesar J – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Bxc5 8. a3 d5 9. b4 Be7 10. Bb2 dxc4
1956 GDR Ch – Round 12 – Knothe, Karl – 0-1 – Dittmann, Sieghart – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. a3 Bxc3+ 9. Qxc3 b6 10. Be2 Bb7
1957 URS Ch, semi final – Round 8 – Sakharov, Yuri G. – 1/2-1/2 – Bonch-Osmolovsky, Mikhail – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. a3 Bxc3
1958 Argentina – Round 3 – Reinhardt, Enrique – 0-1 – Redolfi, Argentino Rodolfo – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Nce4
1958 Torneo de las Americas 1st – Round 5 – Sanchez Frank Clemente – 0-1 – De Greif, Boris – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Bd2 b6 9. Nb5 Bxd2+ 10. Nxd2 Bb7
1958 YUG Ch 13th – Round 18 – Puc, Stojan – 1/2-1/2 – Matanovic, Aleksandar – G98 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Be2 Nce4 9. Bd2 Nxd2 10. Nxd2 d5
1958 YUG Ch 13th – Round 9 – Puc, Stojan – 1/2-1/2 – Djurasevic, Bozidar – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Be2 b6 9. O-O Ba6 10. Nd1 Bb7
1959 Alekhine Memorial – Round 5 – Filip, Miroslav – 1/2-1/2 – Smyslov, Vasily – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Ba6 10. O-O d5
1959 Moscow – Round 1 – Filip, Marius Liviu – 1/2-1/2 – Smyslov, Vladimir – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Ba6 10. O-O d5
1960 Leipzig olm prel – Round 1 – Aguirre Salas, Rosmeri Alessandra – 0-1 – Lehmann, Heinz – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Qe7
1960 Leipzig olm prel – Round 7 – Najdorf, Miguel – 1/2-1/2 – Tal, Mikhail – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Nce4
1963 Alekhine Memorial – Round 11 – Smyslov, Vasily – 1/2-1/2 – Keres, Paul Petrovich – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Nce4
1963 Hoogovens-B – Round 7 – Wade, Robert G – 1/2-1/2 – Mohrlok, Dieter – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Bd2 a5 9. Be2 b6 10. O-O Ba6
1963 LAT Ch – Round ? – Kalnins, Aleksandrs Alans – 0-1 – Klavins, Janis – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bg5 Nxc5 8. a3 Bxc3+ 9. Qxc3 Nfe4 10. Bxd8 Nxc3
1965 Buenos Aires – Round 6 – Bolbochan, J. – 1/2-1/2 – Wexler, Bernardo – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Nfe4
1965 Chigorin Memorial – Round 10 – Flohr, Salo – 1/2-1/2 – Unzicker, Wolfgang – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Nce4
1967 URS Team Ch – Round 1 – Kotov Lundqvist, Alex – 0-1 – Kholmov, Ratmir D – G24 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qc2 c5 5. dxc5 Na6 6. Nf3 O-O 7. e3 Nxc5 8. a3 Bxc3+ 9. Qxc3 a5 10. Be2 a4
1969 Rhyl ch-BCF – Round 8 – Lees, David – 0-1 – Cafferty, Bernard – G61 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Nfe4
1969 Zagreb – Round 11 – Grdinic, Zvonimir – 1-0 – Zinser, Sylvain – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bg5 Nxc5 8. Nd2 d5 9. a3 Bxc3 10. Qxc3 Nce4
40. Olympiad Open 2012 – Round 10.16 – Ivanisevic, Ivan – 1/2-1/2 – Pelletier, Yannick – G548 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. c6 bxc6 8. g3 d5 9. a3 Bxc3+ 10. Qxc3 Nc5
Amber-blindfold 18th 2009 – Round 11 – Morozevich, Alexander – 1-0 – Kamsky, Gata – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. c6 bxc6 8. g3 Nc5 9. Bd2 d5 10. Bg2 Ba6
Bugojno 1978 – Round 2 – Ivkov, Borislav – 1/2-1/2 – Karpov, Anatoly – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Qe7
Bugojno 1978 – Round 8 – Ivkov, Borislav – 1/2-1/2 – Spassky, Boris V. – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Nce4
FIDE Grand Swiss 2025 – Round 1 – Sarana Alexey – 1/2-1/2 – Xu Xiangyu – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. c6 bxc6 8. e3 d5 9. Be2 Bd6 10. a3 c5
Tal Memorial Blitz 2008 – Round 11 – Morozevich, Alexander – 1/2-1/2 – Leko, Peter – G93 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. c6 bxc6 8. a3 Bxc3+ 9. Qxc3 d5 10. e3 Nc5
Tal Memorial Blitz 2008 – Round 20 – Morozevich, Alexander – 1-0 – Karpov, Anatoly – G163 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. c6 bxc6 8. a3 Bxc3+ 9. Qxc3 Nc5 10. Qc2 a5
Tal Memorial Blitz 2008 – Round 31 – Morozevich, Alexander – 0-1 – Ponomariov, Ruslan – G256 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. c6 bxc6 8. a3 Bxc3+ 9. Qxc3 Nc5 10. Qc2 a5
Tal Memorial Blitz 2008 – Round 33 – Morozevich, Alexander – 1-0 – Alekseev, Evgeny – G273 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. c6 bxc6 8. a3 Bxc3+ 9. Qxc3 d5 10. e3 Nc5
Tal Memorial Blitz 2008 – Round 5 – Carlsen, Magnus – 1/2-1/2 – Leko, Peter – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. c6 bxc6 8. a3 Bxc3+ 9. Qxc3 d5 10. b4 Ne4
Tilburg 1982 – Round ? – Huebner, Robert – 1/2-1/2 – Andersson, Ulf 1949 – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. e3 Nxc5 8. Bd2 b6 9. Be2 Bb7 10. O-O Nce4

E39e — Classical Pirc

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Nf3 Na6

Eval: [+0.10]

Les coups candidats

7.g3 — 53.7% (1620 parties) →

Ambassadeurs : Rawlings, Alan J C (50x), Kopasov, Evgeny (31x), Morcin, Tom (15x), Bobel, Philippe (15x), Annakov, Babakuli (13x), Boensch, Uwe (13x), Rajlich, Iweta (12x), Vera Gonzalez-Quevedo, Reynaldo (12x)

7.a3 — 19.6% (590 parties) →

Ambassadeurs : Kaposztas, Miklos (5x), Koskela, Niina (5x), Kasznia, Ireneusz (4x), Enevoldsen, Jens (3x), Keres, Paul Petrovich (3x), Gipslis, Aivars (3x), Keller-Hermann, Edith (3x), Dive, Russell John (3x)

7.Bd2 — 10.3% (311 parties) →

Ambassadeurs : Haik, Aldo (8x), Jacimovic, Dragoljub (6x), Keres, Paul (4x), Finegold, Benjamin (4x), Bagirov, Vladimir (3x), Toth, Bela (3x), Polugaevsky, Lev (3x), Foisor, Ovidiu-Doru (3x)

7.e3 — 7.4% (222 parties)

Ambassadeurs : Knezevic, Milorad (17x), Sakalauskas, Vaidas (7x), Ivkov, Borislav (5x), Flohr, Salo (3x), Andersson, Ulf (3x), Romanishin, Oleg M (3x), Timoscenko, Gennadij (3x), Wunderlich, Chris (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.g3	7.a3	7.Bd2	7.e3
<1800	37	38%	30%	11%	8%
1800-2200	657	53%	23%	9%	4%
2200-2600	1791	59%	16%	9%	7%
2600+	145	68%	7%	4%	7%

Évolution par décennie (% des parties)

Décennie	N parties	7.g3	7.a3	7.Bd2	7.e3
1930s	5	—	60%	40%	—
1940s	26	27%	35%	23%	12%
1950s	54	9%	39%	19%	28%
1960s	47	9%	34%	30%	21%
1970s	48	—	31%	38%	31%
1980s	132	19%	24%	30%	15%
1990s	398	41%	29%	13%	10%
2000s	503	23%	36%	16%	13%
2010s	1466	72%	11%	5%	3%
2020s	336	72%	11%	7%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.g3	72%	72%	+0.2%
7.a3	11%	11%	-0.3%
7.Bd2	5%	7%	▲ +2.2%
7.e3	3%	4%	▲ +0.7%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 5 parties
Karpov, Aleksandr — 4 parties
Euwe, Max — 3 parties
Tal, Mikhail — 3 parties
Ju, Wenjun — 3 parties
Carlsen, Magnus — 2 parties
Alekhine, Alexander — 1 partie
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie

Parties historiques

7.g3 — 53.7% (1620 parties)

1941 — Bondarevsky, Igor vs Keres, Paul — 1/2-1/2 — Leningrad RUS
1943 — Kottnauer, Cenek vs Sajtar, Jaroslav — 1/2-1/2 — Prague CZE
1943 — Foltys, Jan vs Keres, Paul — 0-1 — Prague CZE
1946 — Vasiliev, Vladislav vs O'Reilly, Edward — 1/2-1/2 — Leningrad RUS
1949 — O'Kelly, Albéric de Galway vs Szabo, Laszlo — 1/2-1/2 — Trencianske Teplice SVK

7.a3 — 19.6% (590 parties)

1934 — Belavenets, Sergey vs Lisitsin, Georgy — 1/2-1/2 — Leningrad ch-URS
1935 — Capablanca, Jose vs Fairhurst, William — 1/2-1/2 — Margate ENG
1938 — Schmidt, Pascal vs Keres, Paul — 0-1 — Noordwijk
1940 — Mikenas, Vladas vs Keres, Paul Petrovich — 1/2-1/2 — 01, Tallinn ,Estonia-Lithuani
1945 — Koblencs, Alexander vs Keres, Paul Petrovich — 0-1 — Tallinn EST

7.Bd2 — 10.3% (311 parties)

1935 — Frydman, Paulino vs Marshall, Frank — 1/2-1/2 — Warsaw POL
1939 — Enevoldsen, Jens vs Keres, Paul — 0-1 — Buenos Aires ARG
1943 — Foltys, Jan vs Alekhine, Alexander — 1/2-1/2 — Salzburg AUT
1944 — Laisaari, M. vs Keres Paul Petrovich — 0-1 — Helsinki FIN
1947 — Boleslavsky, Isaac vs Plater, Kazimierz — 1/2-1/2 — Moscow RUS

7.e3 — 7.4% (222 parties)

1947 — Flohr, Salo vs Tolush, Alexander — 1/2-1/2 — Leningrad ch-URS
1948 — Pirc, Vasja vs Bondarevsky, Igor — 1/2-1/2 — Saltsjobaden SWE
1949 — Van Scheltinga, Theo vs Gligoric, Svetozar — 0-1 — Belgrade SRB
1952 — Knothe, Karl vs Schlieder, Rolf — 0-1 — Binz GER
1952 — Najdorf, Miguel vs Keres, Paul Petrovich — 1/2-1/2 — Helsinki FIN

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