E39f — Nimzo-Indian: Classical, Pirc, 6.Nf3 Na6 7.Bd2

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Nf3 Na6 7.Bd2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (4v2), case forte e4, case forte b5, case forte g5, Bd2 actif, paire de fous, colonne d.
Faiblesses adverses : arriéré d7, Bc8 enfermé.
Problèmes : roi au centre, Bf1 enfermé, 3 pièces non développées (F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● h3 — Empêcher ...Bg4
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte c5, Bb4 actif, paire de fous, colonne c.
Faiblesses adverses : Bf1 enfermé, roi blanc au centre, pawn c5 en prise.
Problèmes : Bc8 enfermé, arriéré d7.
Plans :
● ...d6 — Libérer Bc8
● ...Bg4 — Clouer Nf3
● ...d5 — Rupture
● ...e5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E39f — Classical Pirc

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Nf3 Na6 7.Bd2

Eval: [-0.20]

Les coups candidats

7…Nxc5 — 92.7% (293 parties)

Ambassadeurs : Haik, Aldo (7x), Jacimovic, Dragoljub (5x), Keres, Paul (4x), Finegold, Benjamin (4x), Bagirov, Vladimir (3x), Toth, Bela (3x), Polugaevsky, Lev (3x), Foisor, Ovidiu-Doru (3x)

7…Bxc5 — 7.0% (22 parties)

Ambassadeurs : Foltys, Jan (1x), Alekhine, Alexander (1x), Antunac, Goran (1x), Hutchinson, Norman A (1x), Haik, Aldo (1x), Macles, Jacques (1x), Georghiou, Antonis (1x), Hitzos, G. (1x)

7…h6 — 0.3% (1 parties)

Ambassadeurs : Wersching, Guenter (1x), Vida, Jeno (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…Nxc5	7…Bxc5	7…h6
<1800	4	75%	25%	—
1800-2200	60	95%	5%	—
2200-2600	167	92%	8%	—
2600+	6	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…Nxc5	7…Bxc5	7…h6
1930s	2	100%	—	—
1940s	6	83%	17%	—
1950s	11	100%	—	—
1960s	14	100%	—	—
1970s	19	89%	11%	—
1980s	40	98%	2%	—
1990s	52	88%	10%	2%
2000s	81	91%	9%	—
2010s	68	91%	9%	—
2020s	23	100%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…Nxc5	91%	100%	▲ +8.8%
7…Bxc5	9%	0%	▼ -8.8%
7…h6	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 2 parties
Karpov, Anatoly — 2 parties
Alekhine, Alexander — 1 partie
Euwe, Max — 1 partie
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

7…Nxc5 — 92.7% (293 parties)

1935 — Frydman, Paulino vs Marshall, Frank — 1/2-1/2 — Warsaw POL
1939 — Enevoldsen, Jens vs Keres, Paul — 0-1 — Buenos Aires ARG
1944 — Laisaari, M. vs Keres Paul Petrovich — 0-1 — Helsinki FIN
1947 — Boleslavsky, Isaac vs Plater, Kazimierz — 1/2-1/2 — Moscow RUS
1947 — Tolush, Alexander vs Keres, Paul — 0-1 — Leningrad ch-URS

7…Bxc5 — 7.0% (22 parties)

1943 — Foltys, Jan vs Alekhine, Alexander — 1/2-1/2 — Salzburg AUT
1972 — Antunac, Goran vs Hutchinson, Norman A — 1-0 — Islington ENG
1977 — Haik, Aldo vs Macles, Jacques — 0-1 — Le Havre
1988 — Georghiou, Antonis vs Hitzos, G. — 1/2-1/2 — ?
1991 — Van Nieuwenhuizen, Andre vs ? — 1/2-1/2 — Dieren NED

7…h6 — 0.3% (1 parties)

1997 — Wersching, Guenter vs Vida, Jeno — 0-1 — Zalakaros

	♔ 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)	● c5 (2v0)
Cases faibles	—	—
Centre	● d4 (1v0), ● e4 (2v1), ● e5 (1v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Bd2	● Bd2 Actif (mob. 5)
Bb4		● Bb4 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (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
1935 Warsaw ol – Round 11 – Frydman, Paulino – 1/2-1/2 – Marshall, Frank – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bd2 Nxc5 8. e3 b6 9. Be2 Bb7 10. O-O Qe7
1939 Buenos Aires ol f-A – Round 5 – Enevoldsen, Jens – 0-1 – Keres, Paul – G92 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. e3 b6 9. a3 Bxc3 10. Bxc3 Bb7
1943 Salzburg – Round 2 – Foltys, Jan – 1/2-1/2 – Alekhine, Alexander – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Bxc5 8. e3 b6 9. Be2 Bb7 10. O-O Nb4
1947 Chigorin Memorial – Round 1 – Boleslavsky, Isaac – 1/2-1/2 – Plater, Kazimierz – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. e3 b6 9. Be2 Bb7 10. O-O Bxc3
1947 Leningrad ch-URS – Round 11 – Tolush, Alexander – 0-1 – Keres, Paul – G110 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. e3 b6 9. Be2 Ba6 10. O-O d5
1948 Moskou ch-URS – Round 4 – Flohr, Salo – 1/2-1/2 – Keres, Paul – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. e3 b6 9. Be2 Bb7 10. O-O Nce4
1949 Moskou ch-URS – Round 1 – Sokolsky, Alexey – 1/2-1/2 – Boleslavsky, Isaac – G63 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. e3 b6 9. a3 Bxc3 10. Bxc3 Bb7
1950 Amsterdam – Round 5 – Reshevsky, Samuel – 1/2-1/2 – Euwe, Max – G66 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bd2 Nxc5 8. a3 Bxc3 9. Bxc3 b6 10. Ng5 Re8
1950 Candidats Tournament – Round 2 – Flohr, Salo – 1/2-1/2 – Najdorf, Miguel – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bd2 Nxc5 8. e3 b6 9. Be2 Bb7 10. O-O Nce4
1950 HUN Ch 05th – Round 12 – Szilagyi, Gyorgy Laszlo – 0-1 – Benko, Pal – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bd2 Nxc5 8. Rd1 b6 9. a3 Bxc3 10. Bxc3 Bb7
1950 Vienna – Round 3 – Platt, Josef – 1/2-1/2 – Gruenfeld, Ernst – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. a3 Bxc3 9. Bxc3 Nce4 10. e3 b6
1952 Budapest – Round 13 – Kottnauer, Cenek – 1/2-1/2 – Keres, P. – G117 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. a3 Bxc3 9. Bxc3 Nce4 10. e3 b6
1952 Moskou ch-URS – Round 1 – Tolush, Alexander – 1/2-1/2 – Keres, Paul – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. e3 b6 9. Be2 Bb7 10. O-O Nce4
1953 GER Ch 15th – Round 4 – Kraus, Rudolf – 0-1 – Fuchs, Reinhart – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. Qc2 c5 6. dxc5 Na6 7. Nf3 Nxc5 8. g3 b6 9. Bg2 Ba6 10. Ng5 Bb7
1954 Bucharest – Round 7 – Kholmov, Ratmir D – 1/2-1/2 – Korchnoi, Viktor – G66 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Na6 6. Nf3 O-O 7. Bd2 Nxc5 8. e3 b6 9. Be2 Bb7 10. O-O Nce4
1959 Candidats Tournament – Round 19 – Petrosian, Tigran V – 1/2-1/2 – Tal, Mikhail – G72 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. e3 b6 9. Be2 Bb7 10. O-O Nce4
1963 Zenica ch YUG – Round 20 – Marovic, Drazen – 1/2-1/2 – Sokolov, Vladimir – G112 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bd2 Nxc5 8. a3 Bxc3 9. Bxc3 b6 10. Ng5 e5
1964 Amsterdam Interzonal – Round 6 – Porath, Yosef – 1/2-1/2 – Darga, Klaus – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bd2 Nxc5 8. a3 Bxc3 9. Bxc3 Nce4 10. Bxf6 Nxf6
1965 Corr – Round ? – Klinger, Pedro S – 0-1 – Morgado, Juan Sebastian – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bd2 Nxc5 8. a3 Bxc3 9. Bxc3 Nce4 10. Bxf6 Nxf6
1966 La Habana olm fin-B – Round 6 – Dunkelblum, Arthur – 0-1 – Zuidema, Coen – G86 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. e3 b6 9. Be2 Bb7 10. O-O Qe7
1967 Capablanca Memorial – Round 14 – Pachman, Ludek – 1/2-1/2 – Polugaevsky, Lev – G120 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bd2 Nxc5 8. e3 b6 9. Be2 Bb7 10. O-O Qe7
1967 Moscow – Round 1 – Filip, Marius Liviu – 1/2-1/2 – Portisch, Lajos – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. e3 b6 9. Be2 Bb7 10. O-O Nce4
1968 URS Team Ch – Round 1 – Bronstein, David I – 1/2-1/2 – Polugaevsky, Lev – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. e3 b6 9. Be2 Bb7 10. O-O 1/2-1/2
KO Rapid 2003 – Round 2.2 – Kramnik, Vladimir – 1-0 – Grischuk, Alexander – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 7. Bd2 Nxc5 8. a3 Bxc3 9. Bxc3 h6 10. e3 a5
Tashkent FIDE GP 2014 – Round 6.6 – Nakamura, Hikaru – 1/2-1/2 – Caruana, Fabiano – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. a3 Bxc3 9. Bxc3 Nce4 10. e3 Nxc3

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