E58d — Nimzo-Indian: Main Line, 9.bxc3 Qc7

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 Qc7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : Bd3 actif, paire de fous, colonne b.
Faiblesses adverses : Bc8 enfermé, pawn c5 en prise.
Problèmes : Bc1 enfermé, arriéré c3, isolé a3.
Plans :
● Bd2 — Développer Bc1
● h3 — Empêcher ...Bg4
● Rb — Tour sur colonne b

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, avant-poste e4(C).
Faiblesses adverses : arriéré c3, isolé a3, Bc1 enfermé.
Problèmes : Bc8 enfermé.
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Bg4 — Clouer Nf3
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E58d — Main Line

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 Qc7

Eval: [+0.21]

Les coups candidats

10.cxd5 — 45.8% (1283 parties) →

Ambassadeurs : Isigkeit, Hans-Jürgen (13x), Donner, Jan-Hein (11x), Peralta, Fernando (10x), Averbakh, Yuri L (9x), Tatai, Stefano (9x), Knaak, Rainer (8x), Kurgansky, Vitaly Ivanovich (8x), Junge, Wolfgang (8x)

10.Bb2 — 26.2% (733 parties) →

Ambassadeurs : Mroczek, Jacek (14x), Heinke, Richard (7x), Hlavica, Bretislav (7x), Isigkeit, Hans-Jürgen (6x), Broniek, Mariusz Maciej (5x), Kovacs, Gabor (5x), García Rodríguez, Ildefonso (5x), Lednev, Valery Alekseevich (5x)

10.h3 — 11.2% (313 parties) →

Ambassadeurs : Ibragimov, Ildar (6x), Avotins, Maigonis (6x), Heinke, Richard (6x), Lukacs, Peter (5x), Volzhin, Alexander (4x), Michenka, Jozef (4x), Kantsler, Boris (4x), Korobov, Anton (4x)

10.Qc2 — 6.1% (171 parties) →

Ambassadeurs : Norri, Joose (4x), Parma, Bruno (3x), Weber, Bernd, Dr. (2x), Nikitin, A. (2x), Petrosian, Tigran V. (2x), Woodhams, Michael (2x), Kakageldyev, Amanmurad (2x), Lerner, Konstantin Z (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.cxd5	10.Bb2	10.h3	10.Qc2
<1800	29	59%	14%	—	10%
1800-2200	627	44%	28%	9%	6%
2200-2600	1609	44%	28%	13%	5%
2600+	95	37%	39%	20%	3%

Évolution par décennie (% des parties)

Décennie	N parties	10.cxd5	10.Bb2	10.h3	10.Qc2
1930s	1	—	—	—	100%
1940s	2	—	—	—	50%
1950s	46	46%	26%	4%	13%
1960s	83	60%	11%	—	20%
1970s	90	70%	10%	4%	10%
1980s	117	69%	5%	7%	13%
1990s	279	61%	8%	13%	10%
2000s	783	54%	22%	8%	7%
2010s	1350	34%	36%	14%	3%
2020s	52	29%	23%	12%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.cxd5	34%	29%	▼ -5.3%
10.Bb2	36%	23%	▼ -13.3%
10.h3	14%	12%	▼ -2.9%
10.Qc2	3%	8%	▲ +4.9%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 6 parties
Kramnik, Vladimir — 5 parties
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie

Parties historiques

10.cxd5 — 45.8% (1283 parties)

1956 — Borisenko, Georgy K vs Rovner, Dmitry — 1/2-1/2 — Leningrad RUS
1956 — Borisenko, Georgy K vs Vasilchuk, Yury — 1/2-1/2 — Kharkov UKR
1956 — Kondratiev, Pavel E vs Geller, Alexander — 1-0 — Leningrad RUS
1956 — Jezek, Jaroslav vs Ragozin, Viacheslav — 1-0 — Marianske Lazne/Praha
1956 — Bronstein, David I vs Szabo, Laszlo — 1/2-1/2 — Amsterdam NED

10.Bb2 — 26.2% (733 parties)

1950 — Milic, Borislav vs Kevitz, Alexander — 1/2-1/2 — Radio
1956 — Taimanov, Mark vs Sliwa, Bogdan — 1-0 — Moscow RUS
1956 — Stenborg, Ake vs Limbos, Paul — 1-0 — Moscow RUS
1956 — Tal, Mikhail vs Uusi, Gunnar — 0-1 — It Tartu EST
1957 — Stahlberg, Gideon vs Szabo, Ladislav — 1/2-1/2 — Wageningen zt

10.h3 — 11.2% (313 parties)

1957 — Franco Raymundo, Eduardo vs Diez del Corral, Jesus — 1/2-1/2 — Madrid ESP
1958 — Spassky, Boris Vasily vs Bobotsov, Milko G — 1-0 — Leningrad RUS
1975 — Olafsson, Fridrik vs Bronstein, David I — 1/2-1/2 — Teeside Teesside ENG
1976 — Byrne, Ray vs Debarnot, Roberto — 1/2-1/2 — Las Palmas Las Palmas ESP
1976 — Kraidman, Yair vs Lombard, Andre — 1/2-1/2 — Haifa ISR

10.Qc2 — 6.1% (171 parties)

1938 — Koltanowski, George vs Sussman, Harold — 0-1 — New York, NY USA
1945 — Korning, Peter vs Poulsen, Christian — 0-1 — Odense DEN
1956 — Borisenko, Georgy K vs Khasin, Abram — 1/2-1/2 — Leningrad ch-URS
1956 — Geller, Efim P. vs Petrosian, Tigran V. — 1-0 — Amsterdam NED
1957 — Alster, Ladislav vs Trifunovic, Petar — 1/2-1/2 — Wageningen zt

	♔ Blancs	♚ Noirs
Pions doublés	● c3, ● c4	—
Pions isolés	● a3	—
Arriérés	● c3	—
Chaînes	● f2→e3, c3→d4, e3→d4	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● e4 (2v1)
Cases faibles	—	● e5
Centre	● d4 (3v2)	● d5 (2v1), ● e4 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	—

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bd3	● Bd3 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	Non
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● e3-e4	● …e6-e5

Partie
1946 Pittsburgh Open – Round 1 – Byrne, Ray – 1/2-1/2 – Forster Arenas, Fernando – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 Nc6 8. Nf3 d5 9. O-O Qc7 10. Qe2 b6
1956 Marianske Lazne/Praha – Round 11 – Uhlmann, Wolfgang – 1/2-1/2 – Ragozin, Viacheslav – G72 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. a4 Rd8
1961 Moskou – Round 1 – Borisenko, Georgy K – 1/2-1/2 – Averbakh, Yuri L – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Re1 Na5
1964 Chigorin Memorial – Round 3 – Bondarevsky, Igor – 0-1 – Lein, Anatoly – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Nd2 Rd8
1964 Hoogovens – Round 1 – Van den Berg, Cees – 0-1 – Parma, Bruno – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Nd2 dxc4
1966 URS Team Ch – Round ? – Mileika, Janis – 0-1 – Nikitin, Aleksander S – G107 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. Nf3 Nc6 9. O-O Qc7 10. Ra2 dxc4

1946 Pittsburgh Open – Round 1 – Byrne, Ray – 1/2-1/2 – Forster Arenas, Fernando – G22

1956 Marianske Lazne/Praha – Round 11 – Uhlmann, Wolfgang – 1/2-1/2 – Ragozin, Viacheslav – G72

1961 Moskou – Round 1 – Borisenko, Georgy K – 1/2-1/2 – Averbakh, Yuri L – G34

1964 Chigorin Memorial – Round 3 – Bondarevsky, Igor – 0-1 – Lein, Anatoly – G17

1964 Hoogovens – Round 1 – Van den Berg, Cees – 0-1 – Parma, Bruno – G13

1966 URS Team Ch – Round ? – Mileika, Janis – 0-1 – Nikitin, Aleksander S – G107