Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (3v1), ● e5 (2v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Be2	● Be2 Ok (mob. 2)
Bb4		● Bb4 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	3 (● c1, ● a1, ● h1)	3 (● b8, ● 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	mobile
Ruptures	● d4-d5	● …d7-d5, ● …e6-e5

E50e — Nimzo-Indian: 4.e3 O-O 5.Nf3 c5 6.Bd3

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 c5 6.Be2 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. O-O (Mettre le roi en sécurité, connecter les tours — 64 % des parties) ; a3 (Préparer expansion aile dame — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...d5 (Occuper le centre — 46 % des parties) ; ...b6 (Préparer le fianchetto — 18 % des parties) ; ...Bxc3+ (Fou actif (mobilité 6) — 11 % des parties) ; ...cxd4 (Capture en d4, Occuper le centre — 9 % des parties) ; ...Nc6 (Développer b8 — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1933 GER Ch 1st – Round 8 – Rellstab, Ludwig – 0-1 – Roedl, Ludwig – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 Bxc3+ 7. bxc3 d6 8. O-O Nc6 9. Nd2 e5 10. Nb3 b6
1953 Candidats Tournament – Round 20 – Bronstein, David I – 1-0 – Szabo, Laszlo – G127 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 cxd4 9. dxc6 dxc3 10. Qb3 Qe7
1953 Candidats Tournament – Round 29 – Geller, Efim P – 1/2-1/2 – Petrosian, Tigran V – G191 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. e3 O-O 6. Be2 b6 7. O-O Bb7 8. Qb3 cxd4 9. Qxb4 Nc6 10. Qa3 dxc3
1953 Hastings5354 – Round 5 – Bronstein, David I – 1-0 – Horne, Dennis Morton – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 Nc6 7. Qc2 b6 8. O-O Bxc3 9. Qxc3 Bb7 10. dxc5 Ne4
1954 Belgrade – Round 6 – Rabar, Braslav – 1/2-1/2 – Nedeljkovic, Aleksandar – G61 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bxc3 8. bxc3 Nc6 9. Qc2 d6 10. e4 Qc7
1954 Montevideo – Round 5 – Corral, Hector – 0-1 – Salas Romo, Julio – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 Qe7 7. O-O d6 8. Qc2 Nc6 9. Rd1 Bxc3 10. bxc3 e5
1954 Munich zt – Round 6 – Fuderer, Andrija – 0-1 – Unzicker, Wolfgang – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Be7 10. a3 Ne4
1954 USA-URS – Round 2 – Taimanov, Mark E – 0-1 – Evans, Larry M – G6 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 Bxc3+ 7. bxc3 d6 8. O-O Nc6 9. Nd2 e5 10. Bb2 b6
1955 Novi Sad – Round 14 – Udovcic, Mijo – 1-0 – Matanovic, Aleksandar – G105 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bb7 8. Qc2 Nc6 9. Rd1 cxd4 10. exd4 d5
1955 URS Ch sf – Round 1 – Antoshin, Vladimir S – 1-0 – Vladimirov, Boris T – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Nb5 cxd4 9. a3 Be7 10. Nbxd4 d5
1955 URS Team Ch fin – Round 6 – Averbakh, Yuri L – 1/2-1/2 – Kholmov, Ratmir D – G20 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nbd7 8. cxd5 exd5 9. dxc5 Nxc5 10. Bd2 Ne6
1956 Leningrad ch-URS – Round 1 – Khasin, Abram – 1/2-1/2 – Spassky, Boris Vasily – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Be7 10. Bf4 d6
1959 URS-JUG – Round 1 – Petrosian, Tigran V – 1-0 – Matanovic, Aleksandar – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Qc7 10. c5 bxc5
1960 Cordoba – Round 1 – Korchnoi, Viktor – 1-0 – Redolfi, Argentino Rodolfo – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc3 10. bxc3 Qa5
1960 Leningrad ch-URS – Round 17 – Korchnoi, Viktor – 1-0 – Krogius, Nikolai V – G156 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. b3 a6
1960 URS Team Ch – Round 1 – Korchnoi, Viktor – 1-0 – Krogius, Nikolai V – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bxc3 8. bxc3 Bb7 9. Nd2 Nc6 10. Nb3 d6
1960 URS Team Ch – Round 1 – Kortchnoi, V. – 1/2-1/2 – Keres, P. – G2 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Ne4 10. c5 bxc5
1961 Baden-Vienna – Round 1 – Averbakh, Yuri L – 1-0 – Dueckstein, Andreas – G1 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 Bxc3+ 7. bxc3 d6 8. O-O Nc6 9. Nd2 e5 10. Nb3 b6
1961 GBR Ch 48th – Round 1.8 – Parr, Frank – 1/2-1/2 – Reuben, Stewart – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 Ne4 7. Qc2 f5 8. O-O Bxc3 9. bxc3 b6 10. Bd3 Bb7
1961 ROM Ch – Round 7 – Ghitescu, Theodor – 1-0 – Vaisman, Volodia – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. a3 Bb6
1962 Marianske Lazne – Round 12 – Ghitescu, Theodor – 1/2-1/2 – Djurasevic, Bozidar – G75 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. a3 a6
1962 Moscow – Round 1 – Aronin, Lev – 1/2-1/2 – Yudovich, Mikhail Jr – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 d5 7. cxd5 Nxd5 8. Bd2 cxd4 9. Nxd5 Bxd2+ 10. Qxd2 Qxd5
1962 Varna olm – Round 8 – Portisch, Lajos – 1/2-1/2 – Unzicker, Wolfgang – G188 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Be7 10. a3 Ne4
1963 URS Team Ch Moscow RUS – Round 1 – Shestoperov, Aleksej – 0-1 – Osnos, Viatcheslav – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 b6 7. O-O Bxc3 8. bxc3 Bb7 9. Nd2 Nc6 10. Nb3 d6
1965 Gyula – Round 1 – Korchnoi, Viktor – 1-0 – Forintos, Gyozo V – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 b6 7. O-O Bb7 8. Bd2 cxd4 9. exd4 Be7 10. Re1 d5
1965 It II Beverwijk NED – Round 1 – Balashov, Yuri S – 1/2-1/2 – Karaklajic, Nikola – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 c5 6. Be2 d5 7. cxd5 Nxd5 8. Bd2 cxd4 9. exd4 Nc6 10. O-O Nxc3
1965 Mar del Plata – Round 14 – Averbakh, Yuri L – 1-0 – Behrensen, Joern – G109 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Nc6 8. d5 Bxc3 9. dxc6 Ba5 10. Qc2 d5
1965 Moscow – Round 1 – Korchnoi, Viktor – 1-0 – Petrosian, Tigran A. – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 Bxc3+ 7. bxc3 b6 8. Nd2 Bb7 9. O-O d6 10. f3 Nc6
1965 URS-JUG – Round 1 – Taimanov, Mark E – 1-0 – Matanovic, Aleksandar – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Na4 Qe7 9. a3 Ba5 10. dxc5 bxc5
1965 URS-JUG – Round 2 – Polugaevsky, Lev – 1-0 – Parma, Bruno – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. b3 Be6
1968 Buesum – Round 4 – Pollak, Georg – 1/2-1/2 – Mohrlok, Dieter – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Be7 10. a3 Ne4
1968 It Buesum GER – Round 8 – Pollak, Georg – 1/2-1/2 – Parma, Bruno – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. b3 Be6
1969 Capablanca Memorial – Round 4 – Korchnoi, Viktor – 1-0 – Parma, Bruno – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. a3 cxd4 8. axb4 dxc3 9. bxc3 Qc7 10. Qb3 Nbd7
1969 Palma de Mallorca – Round 14 – Korchnoi, Viktor – 1-0 – Mecking, Henrique – G123 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Be7 10. a3 Ne4
1969 URS Ch U18 playoff – Round 5 – Vaganian, Rafael A – 0-1 – Karpov, Aleksandr – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 d5 7. O-O Nbd7 8. cxd5 exd5 9. Qb3 Bxc3 10. Qxc3 Ne4
36. Olympiad 2004 – Round 5 – Korchnoi, Viktor – 0-1 – Xu, Jun(SD) – G151 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 d5 7. a3 Bxc3+ 8. bxc3 dxc4 9. Bxc4 b6 10. Qe2 Bb7
41. Olympiad Open 2014 – Round 4.3 – Gajewski, Grzegorz – 1/2-1/2 – Agdestein, Simen – G283 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 b6 7. O-O Bb7 8. Qb3 Nc6 9. Rd1 Na5 10. Qc2 cxd4
Biel Interzonal 1993 – Round 11 – Speelman, Jon S – 1/2-1/2 – Abramovic, Bosko – G241 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc3 10. bxc3 Qa5

E50e —

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 c5 6.Be2

Les coups candidats

6…d5 — 46.5% (131 parties)

Ambassadeurs : Korchnoi, Viktor (9x), Parma, Bruno (7x), Ghitescu, Theodor (4x), Kholmov, Ratmir D (4x), Tal, Mikhail (4x), Geller, Efim P. (3x), Petrosian, Tigran V. (3x), Szabo, Laszlo (2x)

6…b6 — 18.1% (51 parties)

Ambassadeurs : Korchnoi, Viktor (5x), Petrosian, Tigran V. (4x), Kanko, Ilkka (3x), Olafsson, Fridrik (2x), Matanovic, Aleksandar (2x), Unzicker, Ferdinand, Dr. (2x), Shestoperov, Aleksej (1x), Osnos, Viatcheslav (1x)

6…Bxc3+ — 11.0% (31 parties)

Ambassadeurs : Shishkov, Pavel Aleksandrovic (4x), Moskalenko, Viktor (3x), Taimanov, Mark (2x), Korchnoi, Viktor (2x), Lopez Masis, Kenard Evans (1x), Evans, Larry (1x), Petrosian, Tigran V. (1x), Petrosian, Tigran A. (1x)

6…cxd4 — 8.9% (25 parties)

Ambassadeurs : Baumann, Claude (1x), Maksimovic, Suzana (1x), Hart, Hugh (1x), Mueller, Paul (1x), Didier, Guillaume (1x), Marzolo, Cyril (1x), Mancini, Mario (1x), Shipov, Sergei (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…d5	6…b6	6…Bxc3+	6…cxd4
<1800	19	37%	21%	5%	21%
1800-2200	68	43%	10%	13%	13%
2200-2600	97	42%	16%	16%	9%
2600+	3	67%	33%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…d5	6…b6	6…Bxc3+	6…cxd4
1950s	28	36%	43%	7%	—
1960s	52	65%	21%	8%	—
1970s	8	62%	12%	12%	—
1980s	15	53%	7%	7%	13%
1990s	42	38%	19%	12%	17%
2000s	60	40%	13%	12%	17%
2010s	64	42%	12%	17%	8%
2020s	13	54%	15%	—	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…d5	42%	54%	▲ +11.7%
6…b6	12%	15%	▲ +2.9%
6…Bxc3+	17%	0%	▼ -17.2%
6…cxd4	8%	8%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 4 parties
Botvinnik, Mikhail — 2 parties
Karpov, Anatoly — 1 partie

Parties historiques

6…d5 — 46.5% (131 parties)

1953 — Bronstein, David I vs Szabo, Laszlo — 1-0 — Zurich SUI
1954 — Goldberg, Grigory A vs Sidorov, Nikolai — 1-0 — Riga LAT
1955 — Averbakh, Yuri L vs Kholmov, Ratmir D — 1/2-1/2 — Voroshilovgrad
1955 — Udovcic, Mijo vs Aadhitha Karikalan — 1/2-1/2 — Novi Sad SRB
1955 — Vistaneckis, Isakas vs Abanin, Vladimir — 0-1 — Erevan ARM

6…b6 — 18.1% (51 parties)

1953 — Geller, Efim P. vs Petrosian, Tigran V. — 1/2-1/2 — Zurich SUI
1954 — Rabar, Braslav vs Nedeljkovic, Aleksandar — 1/2-1/2 — Belgrade SRB
1954 — Fuderer, Andrija vs Unzicker, Ferdinand, Dr. — 0-1 — Munich GER
1954 — Sanguinetti, Renato vs Martin Martinez, Pedro Jose — 1-0 — Buenos Aires ARG
1955 — Abanin, Vladimir vs Vladimirov, Boris — 1-0 — USSR

6…Bxc3+ — 11.0% (31 parties)

1954 — Taimanov, Mark vs Lopez Masis, Kenard Evans — 0-1 — USA
1954 — Taimanov, Mark vs Evans, Larry — 0-1 — New York, NY USA
1961 — Averbakh, Yuri L vs Dueckstein, Andreas — 1-0 — Baden-Vienna
1965 — Korchnoi, Viktor vs Petrosian, Tigran V. — 1-0 — Moscow RUS
1965 — Korchnoi, Viktor vs Petrosian, Tigran A. — 1-0 — Moscow RUS

6…cxd4 — 8.9% (25 parties)

1986 — Baumann, Claude vs Maksimovic, Suzana — 0-1 — Dubai UAE
1989 — Hart, Hugh vs Mueller, Paul — 0-1 — cor TS-36-1
1992 — Huttunen, Yrjoe vs Jaderholm, Bo — 0-1 — ?
1995 — Didier, Guillaume vs Marzolo, Cyril — 1/2-1/2 — Val Thorens FRA
1995 — Neverov, Valeriy vs Brodsky, Michail — 1/2-1/2 — St.Petersburg open

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