Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● g4 (2v0)
Cases faibles	● e4	—
Centre	● e5 (1v0)	● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	5 (● g1, ● 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	fermé

E35a — Nimzo-Indian: Classical, Noa, Exchange

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 exd5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bg5 (Fou actif (mobilité 7), Développer c1 — 90 % des parties) ; a3 (Préparer expansion aile dame — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...h6 (59 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 14 % des parties) ; ...c5 (Frapper le centre adverse — 9 % des parties) ; ...c6 (Renforcer le centre — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1929 Budapest – Round ? – Rubinstein, Akiba – 1-0 – Steiner, Endre – G63 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. e3 O-O 7. Bd3 b6 8. Ne2 c5 9. dxc5 bxc5 10. O-O c4
1931 DSB-27.Kongress – Round ? – Saemisch, Friedrich – 1-0 – Porath, Yosef – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Nf3 c5 7. e3 O-O 8. Be2 cxd4 9. exd4 Nc6 10. O-O Bg4
1936 Budapest – Round 8 – Szigeti, Miklos – 1/2-1/2 – Kluger, Gyula – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Nf3 O-O 7. Bg5 Qd6 8. e3 Ne4 9. Bf4 Qe7 10. Bd3 Re8
1937 Teplitz-Schoenau – Round 5 – Grunwedl Herzog, Alexa – 1/2-1/2 – Saemisch, Friedrich – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bf4 O-O 7. e3 c6 8. Bd3 Nbd7 9. Ne2 Re8 10. a3 Bf8
1943 Rio de Janeiro free – Round ? – Trompowsky, Octavio – 0-1 – Eliskases, Erich – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bd2 O-O 7. e3 Re8 8. Bd3 c5 9. Nge2 Nc6 10. O-O cxd4
1944 Moskou ch-URS – Round 1 – Veresov, Gavriil – 0-1 – Botvinnik, Mikhail – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Nf3 c5 7. Bg5 h6 8. Bxf6 Qxf6 9. a3 Ba5 10. O-O-O Bxc3
1946 New York ch-USA – Round 1 – Kowalski, Stefan – 0-1 – Kashdan, Isaac – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Nf3 O-O 7. e3 c6 8. Bd3 Re8 9. O-O Nbd7 10. a3 Bd6
1947 Mar del Plata – Round 17 – Sanguinetti, Ricardo – 1/2-1/2 – Bolbochan, J. – G145 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bd2 O-O 7. e3 c5 8. a3 Bxc3 9. bxc3 Nc6 10. Nf3 Qe7
1947 Nt – Round 7 – Rellstab, Ludwig – 1-0 – Schulz Walter – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Nf3 c6 7. Bg5 Nbd7 8. e3 O-O 9. Bd3 Be7 10. O-O Re8
1947 Stuttgart – Round 2 – Rellstab, Ludwig – 1-0 – Bogoljubow, Efim – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Nf3 Ne4 7. a3 Bxc3+ 8. bxc3 c5 9. Nd2 Nf6 10. e3 O-O
1948 Moskou ch-URS – Round 9 – Bronstein, David I – 1/2-1/2 – Lisitsin, Georgy – G81 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Nf3 c5 7. e3 Nc6 8. dxc5 O-O 9. a3 Bxc5 10. Be2 Be6
1960 GBR Ch 47th – Round 2.17 – Hollis, Adrian – 1-0 – Watts, John Hubert – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Nf3 O-O 7. Bg5 c6 8. e3 Nbd7 9. Bd3 h6 10. Bh4 Re8
1963 Rhode Island – Round 1 – Della Selva – 0-1 – Barry Bertomeu, Enrique – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bd2 O-O 7. a3 Ba5 8. O-O-O Bxc3 9. Bxc3 Ne4 10. Be1 Bf5
1964 Ch - CC – Round ? – Mueller, E.H. – 0-1 – Blackstone, John – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Nf3 O-O 7. Bg5 Be6 8. e3 h6 9. Bh4 Nbd7 10. Bd3 a5
Novgorod 1994 – Round 6 – Bareev, Evgeny – 1/2-1/2 – Short, Nigel D – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Nf3 c5 7. dxc5 Nc6 8. Bg5 h6 9. Bxf6 Qxf6 10. e3 Be6
SuperUnited Blitz 2023 – Round 15.3 – Lupulescu, Constantin – 0-1 – Gukesh D – G73 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bf4 O-O 7. e3 c5 8. dxc5 Nc6 9. Nf3 Re8 10. Be2 Bg4
Tata Steel India Blitz 2019 – Round 9.4 – Ding, Liren – 1/2-1/2 – Anand, Viswanathan – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bf4 O-O 7. e3 c5 8. dxc5 Nc6 9. Nf3 Qa5 10. Bd3 Qxc5
World Rapid 2021 – Round 7.20 – Mamedyarov, Shakhriyar – 1-0 – Harsha Bharathakoti – G394 1. d4 e6 2. c4 Bb4+ 3. Nc3 Nf6 4. Qc2 d5 5. cxd5 exd5 6. Bf4 O-O 7. e3 c5 8. dxc5 Ne4 9. Bd3 Bxc3+ 10. bxc3 Nd7

E35a — Classical Variation, Noa Variation (1929)

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 exd5

Les coups candidats

6.Bg5 — 88.0% (3705 parties) →

Ambassadeurs : Dreev, Aleksey (16x), Sokolov, Andrei (14x), Seirawan, Yasser (11x), Emms, John M (10x), Kosteniuk, Alexandra (10x), Huss, Andreas (10x), Saduakassova, Dinara (10x), Yemelin, Vasily (9x)

6.Nf3 — 4.8% (200 parties)

Ambassadeurs : Saric, Sinisa (4x), Wolter, Uwe (3x), Vo, Thi Kim Phung (3x), Marovic, Drazen (2x), I Nyoman Sadi (2x), Tonne, Grant Hendrik (2x), Kosmas-Lekkas, Dimitrios (2x), Njobvu, Ignatius (2x)

6.Bf4 — 3.2% (134 parties)

Ambassadeurs : Fodor, Tamas Jr. (4x), Bashylina, Luisa (3x), Sethuraman, Sandeep (3x), Cuenca Jimenez, Jose Fernando (3x), Szabo, Ben (2x), Khairullin, Ildar (2x), Haugli, Petter (2x), Antonsen, Mikkel (2x)

6.a3 — 3.1% (130 parties) →

Ambassadeurs : Platz, Hans (2x), Drasko, Milan (2x), Rowson, Jonathan (2x), Abbasov, Farid (2x), Ullrich, Bruno (1x), Taimanov, Mark (1x), Byvshev, Vasily (1x), Corinthios, Mario (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Bg5	6.Nf3	6.Bf4	6.a3
<1800	190	87%	5%	2%	4%
1800-2200	1278	86%	6%	3%	4%
2200-2600	2089	89%	4%	4%	2%
2600+	223	90%	3%	5%	1%

Évolution par décennie (% des parties)

Décennie	N parties	6.Bg5	6.Nf3	6.Bf4	6.a3
1950s	36	81%	6%	—	14%
1960s	35	80%	6%	—	11%
1970s	34	82%	15%	—	3%
1980s	101	88%	4%	—	6%
1990s	458	91%	4%	0%	4%
2000s	1105	90%	4%	0%	5%
2010s	1544	89%	5%	3%	2%
2020s	896	84%	5%	9%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Bg5	89%	84%	▼ -4.3%
6.Nf3	5%	5%	-0.0%
6.Bf4	3%	9%	▲ +5.9%
6.a3	2%	1%	▼ -1.1%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 10 parties
Hou, Yifan — 10 parties
Kasparov, Garry — 8 parties
Carlsen, Magnus — 4 parties
Anand, Viswanathan — 4 parties
Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 3 parties
Ding, Liren — 2 parties
Gukesh D — 2 parties

Parties historiques

6.Bg5 — 88.0% (3705 parties)

1950 — Kotov, Alexander vs Boleslavsky, Isaac — 1/2-1/2 — Budapest HUN
1950 — Boleslavsky, Isaac vs Borisenko, Georgy K — 1/2-1/2 — Moscow RUS
1950 — Kable, J vs Salm, Maxwell — 0-1 — Queensland ch
1951 — Makarczyk, Kazimierz vs Gadalinski, Jan — 1-0 — Sopot
1951 — Wood, Baruch vs Fazekas, Stephan — 0-1 — Swansea WLS

6.Nf3 — 4.8% (200 parties)

1950 — O'Hanlon, John vs Schmid, Lothar — 0-1 — Southsea
1954 — Hartleb, Glenn E vs Drakert, William — 1-0 — New Orleans, LA USA
1960 — Hadi, Adrian vs Watts, John Hubert — 1-0 — Leicester
1964 — Mueller, E.H. vs Blackstone, John — 0-1 — San Jose, CA USA
1970 — Truschejkin, F vs Lehtinen, Aimo — 0-1 — ?

6.Bf4 — 3.2% (134 parties)

1995 — Kahn, Evarth Dr. vs Todorovic, Goran N — 0-1 — It (b) (cat.3), Budapest HUN
2008 — Sadowski, Marek vs Bathala Dhanush — 1/2-1/2 — ICCF
2010 — Sanchez Millan, Eduardo vs Gemy Vargas, Jose Daniel — 1/2-1/2 — Madrid ESP
2010 — Haugli, Petter vs Moen, Andreas G.R. — 0-1 — Norway
2010 — Ponomarjov, Rudolf vs Siigur, Jüri — 1/2-1/2 — ICCF

6.a3 — 3.1% (130 parties)

1950 — Platz, Hans vs Ullrich, Bruno — 0-1 — Soemmerda
1951 — Kotov, Alexander vs Lipnitsky, Isaac — 0-1 — Moskou ch-URS
1952 — Taimanov, Mark vs Byvshev, Vasily — 1-0 — Leningrad RUS
1952 — Platz, Hans vs Botvinnik, Mikhail — 1/2-1/2 — Budapest HUN
1959 — Brinkman, Dirk vs Tiemann, Christoph — 1/2-1/2 — 500-Staedteturnier

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