A28b — English: Four Knights, Nimzowitsch Variation

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e4 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte b5, case forte d5, paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, arriéré d2, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● d3 — Libérer Bc1
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte b4, case forte d4, avant-poste d4(C), paire de fous.
Faiblesses adverses : arriéré d2, Bc1 enfermé, Bf1 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
● ...d6 — Libérer Bc8
● ...Be7 — Développer Bf8
● ...Bg4 — Clouer Nf3
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● d2	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (3v1)	● b4 (2v0), ● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (3v1)	● d4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, 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	fermé
Ruptures	● c4-c5, ● d2-d3	● …d7-d6, ● …d7-d5

Partie
11. Norway Chess 2023 – Round 5.2 – Caruana, Fabiano – 0-1 – Mamedyarov, Shakhriyar – G22 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qf3 d5 9. Be2 d4 10. Qxe4 dxc3
43. Olympiad 2018 – Round 6.18 – Pantsulaia, Levan – 1/2-1/2 – Bareev, Evgeny – G375 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bd4 9. Nxd4 Nxd4 10. Nc3 c6
6. World Blitz 2010 – Round 20.4 – Andreikin, Dmitry – 0-1 – Caruana, Fabiano – G143 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qd4 Nxc3 9. bxc3 Be7 10. Qg4 g6
63. ch-USA 2019 – Round 3.2 – Nakamura, Hikaru – 1-0 – Sevian, Samuel – G14 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bg4 9. Be2 Nd7 10. Nxb6 axb6
7. Sinquefield Cup 2019 – Round 1.1 – Carlsen, Magnus – 1/2-1/2 – Giri, Anish – G1 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. Be2 Bg4 7. a3 Bc5 8. b4 Bb6 9. Be3 Bxf3 10. Bxf3 Nd4
9. Sinquefield Cup 2022 – Round 2.2 – Niemann, Hans Moke – 1-0 – Mamedyarov, Shakhriyar – G7 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qf3 Nxc3 9. bxc3 Ba5 10. Bf4 O-O
Amber Blindfold 2002 – Round 1 – Ljubojevic, Ljubomir – 0-1 – Bareev, Evgeny – G1 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. h3 Bd7 7. Be3 O-O 8. Qd2 a6 9. a3 Bc5 10. b4 Bxe3
Amber Rapidplay 2002 – Round 10 – Ljubojevic, Ljubomir – 1/2-1/2 – Kramnik, Vladimir – G41 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qd4 Nxc3 9. bxc3 Be7 10. Qg4 Kf8
American Cup Champ 2023 – Round 4.1 – Nakamura, Hikaru – 1/2-1/2 – So, Wesley – G27 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bg4 9. Be2 Bxf3 10. Bxf3 Nd4
Cote d'Ivoire Blitz 2019 – Round 6.4 – Carlsen, Magnus – 1/2-1/2 – Nepomniachtchi, Ian – G29 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qf3 Nxc3 9. bxc3 Be7 10. Qg3 g6
FIDE Grand Swiss 2025 – Round 1 – Aronian Levon – 1/2-1/2 – Martirosyan Haik M. – G8 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. Be2 O-O 7. O-O Bg4 8. Ne1 Bxc3 9. bxc3 Bxe2 10. Qxe2 Nd7
FIDE World Cup 2019 – Round 2.2 – Gelfand, Boris – 1/2-1/2 – Matlakov, Maxim – G230 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bd4 9. Rb1 a6 10. Be2 O-O
FIDE World Cup 2019 – Round 2.9 – Najer, Evgeniy – 0-1 – Giri, Anish – G296 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bd4 9. Nxd4 Nxd4 10. Nc3 a5
FTX Crypto Cup 2022 – Round 1.3 – Aronian, Levon – 1/2-1/2 – Le, Quang Liem – G9 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. Be2 a5 7. O-O Bc5 8. Nd2 O-O 9. Nb3 Ba7 10. Kh1 Nd7
FTX Crypto Cup 2022 – Round 7.1 – Aronian, Levon – 1/2-1/2 – Firouzja, Alireza – G98 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. Be2 Bc5 7. O-O Bg4 8. Kh1 O-O 9. Be3 a5 10. h3 Bxf3
FTX Crypto Cup 2022 – Round 7.3 – Aronian, Levon – 1/2-1/2 – Firouzja, Alireza – G106 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. Be2 Bc5 7. O-O O-O 8. Nd2 a5 9. Nb3 Bb6 10. Na4 Ba7
Karen Asrian Memorial 2008 – Round 5 – Bu, Xiangzhi – 1/2-1/2 – Sargissian, Gabriel – G9 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Nxe4 7. Nxe4 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 Ng6 10. O-O-O O-O
Lindores Abbey Tal Memorial 2021 – Round 14.10 – Abdusattorov, Nodirbek – 1-0 – Maghsoodloo, Parham – G591 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 h6 5. g3 Bc5 6. Bg2 d6 7. d3 a5 8. h3 O-O 9. O-O Ne7 10. Be3 Bxe3
PCA/Intel-GP 1995 – Round 2 – Christiansen , Luis – 0-1 – Morozevich, Alexander – G15 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 O-O 6. g3 d6 7. Bg2 Ne8 8. O-O Bxc3 9. bxc3 f5 10. exf5 Bxf5
Saint Louis Rapid 2022 – Round 3.4 – Aronian, Levon – 0-1 – Nakamura, Hikaru – G14 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. Be2 a5 7. O-O Bc5 8. Nd2 Nd4 9. Nb3 Nxb3 10. axb3 Nd7
Saint Louis Rapid 2023 – Round 3.1 – Caruana, Fabiano – 1/2-1/2 – Nepomniachtchi, Ian – G11 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bg4 9. Be2 Bxf3 10. Bxf3 Bd4
Sparkassen Cat XXI 2001 – Round 5 – Morozevich, Alexander – 1-0 – Adams, Michael – G13 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. Be2 h6 7. O-O Bc5 8. Nd2 Nd4 9. Nb3 Nxb3 10. axb3 O-O
Superbet Classic 2023 – Round 9.2 – Rapport, Richard – 1/2-1/2 – Caruana, Fabiano – G41 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qf3 Nxc3 9. bxc3 Ba5 10. Bf4 O-O
SuperGM 2002 – Round 1 – Vallejo Pons, Francisco – 1/2-1/2 – Kasparov, Garry – G1 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. h3 O-O 7. Be2 Ne7 8. O-O c6 9. a3 Bxc3 10. bxc3 Ng6
Tata Steel India Blitz 2019 – Round 16.5 – Nepomniachtchi, Ian – 0-1 – Ding, Liren – G79 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bd4 9. Rb1 a6 10. Be2 b5
Tata Steel India Blitz 2019 – Round 4.1 – Nepomniachtchi, Ian – 1-0 – Giri, Anish – G16 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bd4 9. Rb1 Bg4 10. Be2 Bxf3
Tata Steel India Blitz 2019 – Round 9.1 – Nepomniachtchi, Ian – 1-0 – Aronian, Levon – G41 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qf3 Nxc3 9. bxc3 Ba5 10. Bf4 O-O
USA Ch 2018 – Round 7.6 – Lenderman, Aleksandr – 1-0 – Onischuk, Alexanderexander – G42 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. h3 O-O 7. g3 Nd4 8. Bg2 Nxf3+ 9. Qxf3 c6 10. O-O a6
USA Ch 2022 – Round 10.2 – Aronian, Levon – 1/2-1/2 – So, Wesley – G64 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. Be2 Bg4 7. O-O Bxf3 8. Bxf3 Bc5 9. Kh1 a5 10. Qe1 Nd4
WCh 2023 – Round 10.1 – Ding, Liren – 1/2-1/2 – Nepomniachtchi, Ian – G10 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qf3 Nxc3 9. bxc3 Bc5 10. Qg3 Kf8
World Blitz 2015 – Round 11.20 – Ivanchuk, Vasyl – 1/2-1/2 – Ponkratov, Pavel – G669 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 h6 6. g3 d6 7. Bg2 a6 8. O-O O-O 9. Na4 Bc5 10. Nxc5 dxc5
World Blitz 2015 – Round 9.5 – Ghaem Maghami, Ehsan – 1/2-1/2 – Vovk, Yuri – G569 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qf3 Nxc3 9. bxc3 Be7 10. Qg3 g6
World Blitz 2018 – Round 10.24 – Ghaem Maghami, Ehsan – 1-0 – Melkumyan, Hrant – G585 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bd6 5. a3 O-O 6. d3 Re8 7. Be2 h6 8. O-O a5 9. Be3 Ng4 10. Bd2 Bc5
World Blitz 2018 – Round 13.1 – Carlsen, Magnus – 1-0 – Giri, Anish – G752 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qf3 Nxc3 9. bxc3 Be7 10. Qg3 g6
World Blitz 2018 – Round 15.1 – Carlsen, Magnus – 1-0 – Tsydypov, Zhamsaran – G868 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e4 Bb4 5. d3 Bxc3+ 6. bxc3 d6 7. Be2 O-O 8. O-O h6 9. Rb1 b6 10. Ne1 Ne7
World Blitz 2018 – Round 18.21 – Ghaem Maghami, Ehsan – 1-0 – Zhigalko, Sergei – G1055 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bxc3+ 7. bxc3 O-O 8. g3 Nd7 9. Nh4 Nc5 10. Bg2 Ne7
World Blitz 2019 – Round 3.56 – Sadhwani, Raunak – 0-1 – Tomashevsky, Evgeny – G206 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. h3 a5 7. g3 Be6 8. Bg2 Qd7 9. Ng5 h6 10. Nxe6 fxe6
World Blitz 2019 – Round 7.33 – Gelfand, Boris – 1/2-1/2 – Ruck, Robert – G478 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bxc3+ 7. bxc3 h6 8. g3 O-O 9. Bg2 Ne8 10. O-O f5
World Blitz 2019 – Round 8.25 – Sadhwani, Raunak – 0-1 – Savchenko, Boris – G536 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 h6 5. g3 Bc5 6. Nxe5 Nxe5 7. d4 Bxd4 0-1
World Blitz 2021 – Round 19.33 – Vakhidov, Jakhongir – 0-1 – Niemann, Hans Moke – G1112 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 d6 5. h3 g6 6. d3 Bg7 7. g3 O-O 8. Bg2 Nd7 9. Bg5 f6 10. Be3 f5
World Blitz 2021 – Round 20.28 – Petrosyan, Manuel – 0-1 – Donchenko, Alexander – G1165 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. Be3 O-O 8. h3 Bxe3 9. fxe3 a6 10. Be2 Rb8
World Blitz 2021 – Round 21.40 – Vakhidov, Jakhongir – 0-1 – Movsesian, Sergei – G1231 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bxc3+ 7. bxc3 O-O 8. g3 h6 9. Bg2 Nh7 10. Rb1 Ne7
World Blitz 2022 – Round 14.27 – Aditya Tari – 1-0 – Suleymanli, Aydin – G740 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qf3 Nxc3 9. bxc3 Ba5 10. Bf4 O-O
World Blitz 2022 – Round 18.66 – Svane, Frederik – 1-0 – Gurel, Ediz – G985 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bd6 7. dxe5 Bxe5 8. Bd3 d6 9. O-O O-O 10. Ne2 Nd7
World Blitz 2022 – Round 9.21 – Suleymanli, Aydin – 1/2-1/2 – Esipenko, Andrey – G460 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 h6 5. a3 d6 6. d4 Bg4 7. d5 Nd4 8. a4 a5 9. Be2 Nxe2 10. Qxe2 b6
World Blitz 2023 – Round 17.20 – Pantsulaia, Levan – 1/2-1/2 – Grischuk, Alexander – G966 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. h3 a5 7. Be2 O-O 8. O-O Bc5 9. Be3 Nd4 10. Bxd4 exd4
World Cup 1991 – Round 7 – Gulko, Boris – 0-1 – Karpov, Anatoly – G48 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. g3 Bc5 7. Bg2 Nd4 8. Nxd4 Bxd4 9. h3 Be6 10. f4 a6
World Rapid 2019 – Round 1.18 – Rozum, Ivan – 0-1 – Giri, Anish – G11 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bd4 9. Rb1 Bg4 10. Be2 Bxf3
World Rapid 2019 – Round 14.42 – Sadhwani, Raunak – 1/2-1/2 – Sarana, Alexey – G914 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qg4 Nxc3 9. a3 Bf8 10. bxc3 d6
World Rapid 2019 – Round 6.13 – Nepomniachtchi, Ian – 1-0 – Postny, Evgeny – G367 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 d6 5. d4 Bg4 6. d5 Nd4 7. Be3 Nxf3+ 8. gxf3 Bd7 9. Qb3 b6 10. h4 g6
World Rapid 2021 – Round 10.1 – Abdusattorov, Nodirbek – 1-0 – Carlsen, Magnus – G563 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bg4 9. Nxb6 axb6 10. Bb2 Bxf3
World Rapid 2021 – Round 12.39 – Vakhidov, Jakhongir – 1-0 – Suleymanli, Aydin – G709 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e4 Bb4 5. d3 Bxc3+ 6. bxc3 d6 7. g3 Ne7 8. Bg2 Ng6 9. O-O O-O 10. Ne1 Ne8
World Rapid 2021 – Round 7.48 – Sadhwani, Raunak – 0-1 – Ghaem Maghami, Ehsan – G423 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bd4 8. Bb2 Bg4 9. Be2 Bxf3 10. Bxf3 a5
World Rapid 2021 – Round 8.9 – Abdusattorov, Nodirbek – 1-0 – Wojtaszek, Radoslaw – G503 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bc5 7. b4 Bb6 8. Na4 Bd4 9. Rb1 Bg4 10. Be2 Bxf3

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