Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v0), ● f4 (2v0), ● b5 (2v0)	● g5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (2v1), ● e4 (2v0), ● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	4 (● 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	● c4-c5, ● d4-d5	● …c7-c5, ● …d7-d5, ● …e6-e5

E44d — Nimzo-Indian: Nimzowitsch, 5.Ne2 Ne4 6.Qc2

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ne4 6.Qc2 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. a3 (Préparer expansion aile dame — 81 % des parties) ; f3 (Poussée — 10 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bb7 (Fianchetto, fou sur la grande diagonale — 91 % des parties) ; ...f5 (Attaque à l'aile roi — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1948 US Open – Round 4 – Steinmeyer, Robert – 1/2-1/2 – Santasiere, Anthony – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. f3 Nxc3 8. bxc3 Bd6 9. e4 Nc6 10. Be3 Na5
1956 CSR Ch sf Bratislava SVK – Round 10 – Kozma, Julius – 1-0 – Necesany, Zdenek – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 f5 9. d5 Nxc3 10. Qxc3 O-O
1957 Wenen etc – Round 2 – Ivkov, Borislav – 1-0 – Alster, Ladislav – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 f5 9. d5 Nxc3 10. Qxc3 O-O
1962 Bucharest – Round 3 – Kozma, Julius – 1/2-1/2 – Drimer, Dolfi – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 f5 9. Nxe4 Bxe4 10. Qc3 Bb7
1967 URS-ch35 – Round 1 – Taimanov, Mark E – 1-0 – Levin Astorga, Nicolas Daniel – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. f3 Bxc3+ 8. bxc3 Nd6 9. Ng3 Qh4 10. Bd3 Ba6
1974 Manila – Round 8 – Gligoric, Svetozar – 1-0 – Andersson, Ulf – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 f5 7. a3 Bxc3+ 8. Nxc3 Bb7 9. d5 Nxc3 10. Qxc3 Qf6
36. Olympiad 2004 – Round 10 – Granda Zuniga, Julio E – 1/2-1/2 – Winants, Luc – G341 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 O-O 10. b3 d6
85. Tata Steel Masters 2023 – Round 9.7 – Erigaisi Arjun – 0-1 – Rapport, Richard – G63 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 d6 10. b3 Qh4
Moscow 1975 – Round 1 – Hort, Vlastimil – 1/2-1/2 – Stean, Michael F – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 f5 9. b4 a5 10. Bb2 axb4
Novi Sad olm 1990 – Round 6 – Sokolov , Ivan – 1-0 – Korchnoi, Viktor – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 Qh4 10. b3 O-O
Reykjavik ISL, 22th Open 2006 – Round 8 – Svidler, Peter – 0-1 – Svidler, Peter – G10 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. Nf4 f5 8. Bd3 c5 9. O-O Bxc3 10. f3 Nd2
World Blitz 2017 – Round 6.42 – Tregubov, Pavel V. – 1/2-1/2 – Short, Nigel D – G321 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 f5 9. f3 Nxc3 10. bxc3 O-O
World Rapid 2016 – Round 8.30 – Tregubov, Pavel V. – 0-1 – Moiseenko, Alexander – G311 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 O-O 10. b4 Qh4

E44d — Nimzowitsch (1948)

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ne4 6.Qc2

Les coups candidats

6…Bb7 — 90.9% (710 parties)

Ambassadeurs : De Firmian, Nick (8x), Ward, Chris G (8x), Pacey, Kevin (8x), Korchnoi, Viktor (7x), Cafferty, Bernard (7x), Sloth, Jorn (6x), Kuzmin, Gennadi (6x), Sokolov, Ivan (5x)

6…f5 — 7.0% (55 parties)

Ambassadeurs : Timman, Jan H (2x), Hobusch, Werner (2x), Gligoric, Sofija (2x), Andersson, Ulf (2x), Donner, Jan-Hein (2x), Karwowski, Kacper (2x), Pedersen, Jens Otto (1x), Levin Emil (1x)

6…Nxc3 — 2.0% (16 parties)

Ambassadeurs : Raicevic, Vladimir (1x), Govedarica, Radovan (1x), Okhotnik, Vladimir (1x), Balzar, Andreas, Dr. (1x), Mitchell, Martin (1x), Buckley, Simon T (1x), Smith, Lucy (1x), Khoo, Teresa (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Bb7	6…f5	6…Nxc3
<1800	17	94%	6%	—
1800-2200	245	87%	11%	2%
2200-2600	443	93%	5%	2%
2600+	18	94%	6%	—

Évolution par décennie (% des parties)

Décennie	N parties	6…Bb7	6…f5	6…Nxc3
1950s	2	100%	—	—
1960s	7	86%	14%	—
1970s	41	78%	22%	—
1980s	75	88%	9%	3%
1990s	88	95%	5%	—
2000s	200	89%	9%	2%
2010s	230	90%	7%	3%
2020s	138	97%	1%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Bb7	90%	97%	▲ +6.7%
6…f5	7%	1%	▼ -5.8%
6…Nxc3	3%	2%	▼ -0.9%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 1 partie

Parties historiques

6…Bb7 — 90.9% (710 parties)

1956 — Kozma, Julius vs Necesany, Zdenek — 1-0 — CSR-ch sf Bratislava SVK
1957 — Ivkov, Borislav vs Alster, Ladislav — 1-0 — Wenen etc
1960 — Korchnoi vs Botvinnik, Alexander — 1-0 — ?
1961 — Korchnoi, Viktor vs Botvinnik, Mikhail — 1-0 — Leningrad RUS
1962 — Kozma, Julius vs Drimer, Dolfi — 1/2-1/2 — Bucharest ROU

6…f5 — 7.0% (55 parties)

1968 — Pedersen, Jens Otto vs Levin Emil — 1-0 — Denmark ch corr
1974 — Knaak, Rainer vs Timman, Jan H — 0-1 — Amsterdam NED
1974 — Gligoric, Sofija vs Andersson, Ulf — 1-0 — Manila PHI
1974 — Gligoric, Sofija vs Andersson, Ulf — 1/2-1/2 — Nice olm
1975 — Bratchenko, Alexander vs Mishuchkov, Nikolai M. — 0-1 — Rostov on Don

6…Nxc3 — 2.0% (16 parties)

1980 — Raicevic, Vladimir vs Govedarica, Radovan — 1-0 — Pula CRO
1987 — Okhotnik, Vladimir vs Balzar, Andreas, Dr. — 1/2-1/2 — St. Ingbert GER
2003 — Mitchell, Martin vs Buckley, Simon T — 1/2-1/2 — Edinburgh ENG
2004 — Smith, Lucy vs Khoo, Teresa — 1/2-1/2 — West Bromwich ENG
2005 — Delmont, Jean-Robert vs Leloutre, Bernard — 1/2-1/2 — Charleroi

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