A29n — English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2
1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 * ● Trait aux Noirs
Ouverture — Centre semi-ouvert
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Avantages : majorité centre (2v1), paire de fous, colonne c.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bg2 enfermé, 3 pièces non développées (C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bg2 enfermé, 3 pièces non développées (C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Avantages : majorité aile_dame (3v2), case forte b4, case forte d4, paire de fous, colonne d.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 4 pièces non développées (C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Be7 — Développer Bf8
● ...e4 — Rupture
● ...f6 — Rupture
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 4 pièces non développées (C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Be7 — Développer Bf8
● ...e4 — Rupture
● ...f6 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | ● f2→g3, h2→g3 | — |
| Passés | — | — |
| Majorité | ● centre 2v1 | ● aile_dame 3v2 |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | — | ● b4 (3v0), ● d4 (2v1) |
| Cases faibles | — | — |
| Centre | ● e4 (1v0) | ● d4 (2v1) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Semi-ouvertes | ● c | ● d |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 0) | |
| Bg2 | ● Bg2 Enfermé (mob. 2) | |
| Bc8 | ● Bc8 Non développé (mob. 5) | |
| Bf8 | ● Bf8 Non développé (mob. 5) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 3 (c1, a1, h1) | 4 (c8, f8, 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 | semi-ouvert | |
| Ruptures | ● d2-d3, ● e2-e3 | ● …e5-e4, ● …f7-f6, ● …f7-f5 |
| Partie |
|---|
| 11th Sinquefield Cup 2024 - Round 8 - Praggnanandhaa, R - 1/2-1/2 - Caruana, Fabiano - G37 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. Bd2 Qe6 |
| 2024 SuperUnited Rapid & Blitz Croatia – Round 17 – Caruana Fabiano – 1/2-1/2 – Giri Anish – G82 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. Bd2 Qd6 |
| 43. Olympiad 2018 – Round 5.3 – Ding, Liren – 1/2-1/2 – Navara, David – G331 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 Bb6 9. Nxd5 Qxd5 10. Bd2 Qd6 |
| 5. Sinquefield Cup 2017 – Round 5.2 – Anand, Viswanathan – 1-0 – Caruana, Fabiano – G22 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 Bb6 9. Bd2 Bg4 10. Rc1 Nxc3 |
| 5. Sinquefield Cup 2017 – Round 9.4 – Nakamura, Hikaru – 1/2-1/2 – Karjakin, Sergey – G44 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. Nxd5 Qxd5 9. d3 Bb6 10. b4 e4 |
| 6. Sinquefield Cup 2018 – Round 6.4 – Nakamura, Hikaru – 1/2-1/2 – Aronian, Levon – G29 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. Nxd5 Qxd5 9. d3 Qd8 10. Be3 Bxe3 |
| 7. Norway Armageddon 2019 – Round 5.1 – Vachier-Lagrave, Maxime – 1/2-1/2 – Carlsen, Magnus – G14 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Bd2 Nf6 10. Na4 Bb6 |
| 85. Tata Steel Masters 2023 – Round 4.5 – So, Wesley – 1/2-1/2 – Aronian, Levon – G26 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. b3 e4 |
| 9. London Classic 2017 – Round 9.3 – Caruana, Fabiano – 1-0 – Adams, Michael – G43 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 Re8 9. Ng5 Nf6 10. Qb3 Qe7 |
| CCT Final KO 2023 – Round 2.12 – Carlsen, Magnus – 1/2-1/2 – So, Wesley – G23 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nf6 7. O-O h6 8. a3 a5 9. b3 Bd6 10. d4 O-O |
| CCT Final Playoff 2023 – Round 3.3 – Vachier-Lagrave, Maxime – 1/2-1/2 – So, Wesley – G29 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nf6 7. O-O h6 8. b4 e4 9. Ne1 Bxb4 10. Nxe4 Nxe4 |
| FIDE Grand Swiss 2025 – Round 1 – Erigaisi Arjun – 1/2-1/2 – Chigaev Maksim – G2 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. Bd2 Qd6 |
| FIDE World Cup 2017 – Round 2.2 – Dubov, Daniil – 1-0 – Karjakin, Sergey – G224 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 Bb6 9. Nxd5 Qxd5 10. b4 e4 |
| FIDE World Cup 2017 – Round 2.3 – Gelfand, Boris – 0-1 – Wang, Hao(ZJWZ) – G255 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 Bb6 9. Nxd5 Qxd5 10. b4 a5 |
| FIDE World Cup 2019 – Round 3.2 – Saini Vidit – 1/2-1/2 – So, Wesley – G313 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 Re8 9. Nxd5 Qxd5 10. Bd2 Qd8 |
| FIDE World Cup 2019 – Round 7.4 – Ding, Liren – 1/2-1/2 – Radjabov, Teimour – G425 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. Nxe5 Nxc3 8. Bxc6+ bxc6 9. bxc3 Qd5 10. Nf3 Bh3 |
| FIDE World Cup 2019 – Round 7.6 – Ding, Liren – 1/2-1/2 – Radjabov, Teimour – G429 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. Nd2 Qe6 |
| FIDE World Cup 2019 – Round 7.7 – Ding, Liren – 1/2-1/2 – Radjabov, Teimour – G431 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. Nd2 Qe6 |
| FIDE World Cup 2025 – Round R2 Rapid 1 – Tin Jingyao – 0-1 – Samuel Sevian – G378 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. a3 a5 10. Qc2 Nf6 |
| GCT Blitz Croatia 2021 – Round 11.5 – Vachier-Lagrave, Maxime – 1-0 – Giri, Anish – G55 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. Bd2 a5 |
| GCT Blitz Paris 2018 – Round 8.5 – So, Wesley – 1/2-1/2 – Caruana, Fabiano – G39 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 Re8 9. Bd2 Nxc3 10. Bxc3 Nd4 |
| GCT Blitz Paris 2019 – Round 15.4 – Duda, Jacob – 1-0 – Caruana, Fabiano – G74 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 Re8 9. Bg5 Nxc3 10. bxc3 f6 |
| Global Chess League 2023 – Round 9.2 – Gukesh D – 0-1 – Mamedyarov, Shakhriyar – G109 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nf6 7. O-O h6 8. d3 Bd6 9. a3 O-O 10. b4 Re8 |
| Levitov Chess Week Rapid 2023 – Round 3.4 – Svidler, Peter – 0-1 – Nepomniachtchi, Ian – G14 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. Be3 Bxe3 |
| Saint Louis Blitz 2017 – Round 16.3 – Nakamura, Hikaru – 1-0 – Karjakin, Sergey – G78 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. Nxd5 Qxd5 9. d3 Bb6 10. b4 e4 |
| Saint Louis Blitz 2024 - Round 16 - Nepomniachtchi Ian - 0-1 - Firouzja Alireza - G79 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. Qc2 Ndb4 8. Qb1 Be6 9. a3 Nd5 10. O-O O-O |
| Saint Louis Rapid 2017 – Round 6.2 – Aronian, Levon – 1-0 – Caruana, Fabiano – G27 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. Nxd5 Qxd5 9. Ng5 Qd8 10. Nxh7 Re8 |
| Saint Louis Rapid 2024 - Round 1 - Nepomniachtchi Ian - 1-0 - Firouzja Alireza - G2 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. Na4 Be7 8. O-O e4 9. Ne1 Bf5 10. Nc3 Nxc3 |
| Superbet Blitz 2023 – Round 11.5 – Wojtaszek, Radoslaw – 1/2-1/2 – Deac, Bogdan-Daniel – G55 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. Qc2 Nf6 9. a3 a5 10. e3 Bd6 |
| Superbet Blitz 2023 – Round 16.2 – Wojtaszek, Radoslaw – 1/2-1/2 – Aronian, Levon – G77 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. Qc2 Nf6 9. a3 a5 10. e3 h6 |
| Superbet Classic 2023 – Round 4.5 – Rapport, Richard – 1/2-1/2 – So, Wesley – G20 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. Bd2 Qd6 |
| SuperUnited Blitz 2023 – Round 10.1 – Carlsen, Magnus – 1/2-1/2 – Caruana, Fabiano – G46 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. Nd2 Qd8 |
| Tata Steel India Blitz 2019 – Round 12.2 – Aronian, Levon – 0-1 – So, Wesley – G56 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 Re8 9. Bd2 Nxc3 10. bxc3 Bb6 |
| Tata Steel India Blitz 2019 – Round 14.5 – Aronian, Levon – 1/2-1/2 – Giri, Anish – G69 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Bd2 Nf6 10. Rc1 Re8 |
| Vugar Gashimov Mem 2019 – Round 7.3 – Carlsen, Magnus – 1-0 – Giri, Anish – G33 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. a3 a5 |
| WCh 2018 – Round 4 – Carlsen, Magnus – 1/2-1/2 – Caruana, Fabiano – G4 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 Re8 9. Bd2 Nxc3 10. Bxc3 Nd4 |
| WCh 2018 – Round 9 – Carlsen, Magnus – 1/2-1/2 – Caruana, Fabiano – G9 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 Re8 9. Bg5 Nxc3 10. bxc3 f6 |
| World Blitz 2023 – Round 16.15 – Maghsoodloo, Parham – 1/2-1/2 – Lazavik, Denis – G904 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. Bd2 Rd8 |
| World Blitz 2023 – Round 2.16 – Maghsoodloo, Parham – 1-0 – Najer, Evgeniy – G85 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. Bd2 a5 |
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