E21d — Nimzo-Indian: Three Knights, 4…O-O
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 O-O * ○ Trait aux Blancs
Ouverture — Centre semi-ouvert
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Avantages : case forte d4, case forte b5, case forte e5, case forte g5, paire de fous.
Faiblesses adverses : Bc8 enfermé.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4
Faiblesses adverses : Bc8 enfermé.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Avantages : Bb4 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...d5 — Rupture
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...d5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | — | ● d7→e6, f7→e6 |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● d4 (2v0), ● b5 (2v0), ● e5 (2v0), ● g5 (2v0) | — |
| Cases faibles | — | — |
| Centre | ● d4 (2v0), ● e5 (2v0) | — |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 5) | |
| Bf1 | ● Bf1 Non développé (mob. 0) | |
| Bb4 | ● Bb4 Actif (mob. 6) | |
| Bc8 | ● Bc8 Non développé (mob. 0) | |
| Paire de fous | ● Oui | ● Oui |
| Clouages | ● knight c3 | — |
| Non développées | 4 (c1, f1, 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 | semi-ouvert | |
| Ruptures | ● c4-c5, ● d4-d5, ● e2-e3 | ● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5 |
| Partie |
|---|
| 2. Norway Chess 2014 – Round 6.4 – Topalov, Veselin – 1-0 – Kramnik, Vladimir – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 h6 7. Bh4 cxd4 8. Nxd4 d5 9. Bxf6 Qxf6 10. cxd5 Rd8 |
| 41. Olympiad Open 2014 – Round 6.9 – Le, Quang Liem – 1/2-1/2 – Leko, Peter – G460 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. d5 exd5 7. cxd5 d6 8. e3 Nbd7 9. Bd3 h6 10. Bh4 Qa5 |
| 41. Olympiad Open 2014 – Round 7.14 – Sadler, Matthew D – 1/2-1/2 – Hambleton, Aman – G479 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 b6 7. Rc1 Bb7 8. e3 Be7 9. Bd3 c5 10. O-O d6 |
| 42. Olympiad 2016 – Round 6.31 – Zhao, Zong-Yuan – 1/2-1/2 – Leitao, Rafael – G442 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. Rc1 cxd4 8. Nxd4 b6 9. Nb5 Nc6 10. e3 Bb7 |
| 43. Olympiad 2018 – Round 6.6 – Harikrishna, Pentala – 1/2-1/2 – Kramnik, Vladimir – G414 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 h6 7. Bh4 cxd4 8. Nxd4 d5 9. cxd5 g5 10. Bg3 Qxd5 |
| 7. Norway Armageddon 2019 – Round 5.5 – Mamedyarov, Shakhriyar – 0-1 – Grischuk, Alexander – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 h6 8. Bh4 d5 9. e3 e5 10. Nf3 d4 |
| 7. Sinquefield Cup 2019 – Round 8.2 – Carlsen, Magnus – 1/2-1/2 – Ding, Liren – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 h6 7. Bh4 cxd4 8. Nxd4 d5 9. cxd5 g5 10. Bg3 Qxd5 |
| 85. Tata Steel Masters 2023 – Round 9.3 – Maghsoodloo, Parham – 1/2-1/2 – So, Wesley – G59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. g3 Qa5 8. Bg2 cxd4 9. Qxd4 Nc6 10. Qd3 b6 |
| FIDE Grand Prix 3 playoff 2022 – Round 1.2 – Tabatabaei Bafghi, Mohammad – 1-0 – So, Wesley – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. g3 b6 8. Bg2 Bb7 9. d5 d6 10. O-O Qe7 |
| FIDE Grand Swiss 2025 1974 – Round 2 – Predke Alexandr – 1-0 – Robson Ray – G88 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. e3 cxd4 8. exd4 d5 9. cxd5 exd5 10. Be2 Nc6 |
| FIDE World Blitz Championship 2025 1975 – Round 10 – Yu Yangyi – 1/2-1/2 – Lu Shanglei – G186 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bd2 d5 6. e3 b6 7. Rc1 Bb7 8. cxd5 exd5 9. a3 Be7 10. g3 c5 |
| FIDE World Cup 2015 – Round 1.6 – Lupulescu, Constantin – 0-1 – Lysyj, Igor – G186 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. Rc1 Nc6 9. a3 Bxc3+ 10. Rxc3 Re8 |
| FIDE World Cup 2019 – Round 6.3 – Yu, Yangyi – 1/2-1/2 – Ding, Liren – G416 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Qb3 h6 7. Bh4 Nc6 8. d5 Na5 9. Qc2 Nxc4 10. O-O-O Bxc3 |
| FIDE-Wch k.o. 1999 – Round 2.2 – Zvjaginsev, Vadim – 1/2-1/2 – Andersson, Ulf 1949 – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d6 6. e3 h6 7. Bh4 Qe7 8. Nd2 Nbd7 9. Bd3 c6 10. O-O e5 |
| GCT Blitz Paris 2017 – Round 16.1 – Mamedyarov, Shakhriyar – 1-0 – Nakamura, Hikaru – G76 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. cxd5 exd5 9. Be2 h6 10. Bxf6 Qxf6 |
| GCT Blitz YourNextMove 2016 – Round 16.5 – Aronian, Levon – 1/2-1/2 – Nakamura, Hikaru – G80 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 Nc6 8. e3 h6 9. Bh4 Be7 10. Be2 d5 |
| GCT Blitz YourNextMove 2016 – Round 18.4 – Carlsen, Magnus – 1/2-1/2 – Nakamura, Hikaru – G89 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. Rc1 h6 9. Bh4 Nc6 10. a3 Be7 |
| GCT Blitz YourNextMove 2016 – Round 4.3 – Aronian, Levon – 1-0 – Caruana, Fabiano – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. Rc1 cxd4 8. Nxd4 Nc6 9. e3 b6 10. Nb5 a6 |
| GCT Rapid Paris 2016 – Round 5.1 – Carlsen, Magnus – 1/2-1/2 – Nakamura, Hikaru – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. Rc1 Be7 9. a3 b6 10. Bxf6 Bxf6 |
| GCT Rapid Paris 2017 – Round 2.1 – Mamedyarov, Shakhriyar – 0-1 – Carlsen, Magnus – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. cxd5 exd5 9. Be2 h6 10. Bxf6 Qxf6 |
| GCT Rapid YourNextMove 2016 – Round 8.3 – Aronian, Levon – 1-0 – Nakamura, Hikaru – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d5 6. cxd5 exd5 7. e3 c5 8. dxc5 Nbd7 9. Rc1 Qa5 10. a3 Bxc3+ |
| GCT Rapid YourNextMove 2018 – Round 3.1 – Vachier-Lagrave, Maxime – 1/2-1/2 – So, Wesley – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 h6 8. Bh4 d5 9. Be2 dxc4 10. O-O Nc6 |
| Olympiad 2002 – Round 11 – Gelfand, Boris – 1/2-1/2 – Rozentalis, Eduardas – G365 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d5 6. e3 c6 7. Qb3 Be7 8. Bd3 dxc4 9. Bxc4 b5 10. Be2 Nbd7 |
| Qatar Masters Open 2015 – Round 6.32 – Ipatov, Alexander – 1-0 – Ma, Zhonghan – G218 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. Rc1 cxd4 8. Nxd4 Nc6 9. e3 b6 10. Be2 Bb7 |
| Qatar Masters Open 2015 – Round 9.26 – Ipatov, Alexander – 1-0 – Saduakassova, Dinara – G304 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. Rc1 cxd4 8. Nxd4 d5 9. cxd5 Qxd5 10. Bxf6 gxf6 |
| Region Blitz Moscow 2018 – Round 7.1 – Mamedyarov, Shakhriyar – 1-0 – Nakamura, Hikaru – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 h6 7. Bxf6 Qxf6 8. Rc1 cxd4 9. exd4 d5 10. cxd5 exd5 |
| Saint Louis Blitz 2021 – Round 6.5 – Mamedyarov, Shakhriyar – 1/2-1/2 – Le, Quang Liem – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 h6 8. Bh4 Be7 9. e3 Nc6 10. Be2 Qb6 |
| Saint Louis Rapid 2023 – Round 6.4 – Xiong, Jeffery – 1/2-1/2 – Nepomniachtchi, Ian – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 d5 7. e3 c5 8. cxd5 exd5 9. dxc5 g5 10. Bg3 Ne4 |
| Superbet Classic 2023 – Round 1.2 – Caruana, Fabiano – 1/2-1/2 – Deac, Bogdan-Daniel – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 h6 8. Bh4 d5 9. cxd5 Bxc3+ 10. Rxc3 g5 |
| Tata Steel Chess 2025 1973 – Round 9 – Sarana Alexey – 1/2-1/2 – Keymer Vincent – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. Qxd4 Nc6 8. Qd3 Qa5 9. Bxf6 gxf6 10. Be2 Bxc3+ |
| Tata Steel India Blitz 2022 – Round 4.3 – Maghsoodloo, Parham – 1-0 – So, Wesley – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Qc2 d5 8. e3 Nc6 9. a4 Re8 10. Be2 Na5 |
| Tata Steel Masters 2024 - Round 12 - Gukesh, D - 1/2-1/2 - Praggnanandhaa, R 1970 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. d5 exd5 7. cxd5 d6 8. e3 h6 9. Bh4 Bf5 10. Bd3 Bxd3 |
| World Blitz 2006 – Round 9 – Bacrot, Etienne – 0-1 – Anand, Viswanathan – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 d5 7. e3 Nbd7 8. cxd5 exd5 9. Bd3 c5 10. O-O Bxc3 |
| World Blitz 2015 – Round 16.35 – Moiseenko, Alexander – 0-1 – Riazantsev, Alexander – G1000 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 h6 8. Bh4 d5 9. e3 dxc4 10. Bxc4 e5 |
| World Blitz 2016 – Round 10.22 – Aditya Tari – 0-1 – Wei, Yi – G395 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. cxd5 exd5 9. Be2 h6 10. Bh4 g5 |
| World Blitz 2022 – Round 11.10 – Moiseenko, Aleksei – 0-1 – Nepomniachtchi, Ian – G560 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 h6 8. Bh4 d5 9. cxd5 e5 10. Bxf6 Qxf6 |
| World Blitz 2022 – Round 14.29 – Maghsoodloo, Parham – 1-0 – Durarbayli, Vasif – G742 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. a3 Bxc3+ 6. bxc3 d6 7. Bg5 Nbd7 8. Nd2 c5 9. Bh4 Qa5 10. Qc2 cxd4 |
| World Championship 32th-KK2 1985 – Round 7 – Kasparov, Garry – 1/2-1/2 – Karpov, Anatoly – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d6 6. e3 Nbd7 7. Qc2 b6 8. Bd3 Bxc3+ 9. bxc3 h6 10. Bh4 Bb7 |
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