E04a — Catalan: Open, 5.Nf3

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes f4, e5 et g5, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nc3 (Développer Nb1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (4 contre 2), la case forte d5, un avant-poste en d5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en c1 et g2 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)) ; ...Nbd7 (Développer Nb8) ; ...Be7 (Développer Bf8) ; ...c6 (Rupture) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c7
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	● d5 (3v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (2v0)	● d5 (3v0), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● a1, ● h1)	5 (● b8, ● 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	● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …e6-e5

Partie
11th Sinquefield Cup 2024 - Round 2 - Gukesh, D - 1/2-1/2 - Nepomniachtchi, Ian - G7 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. O-O Bxd2 9. Nfxd2 O-O 10. e3 e5
1947 Chigorin Memorial – Round ? – Bondarevsky, Igor – 1/2-1/2 – Keres, Paul Petrovich – G83 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c6 6. Ne5 Bb4+ 7. Nc3 Nd5 8. Bd2 Nb6 9. Ne4 a5 10. e3 O-O
1947 Moscow – Round 1 – Bondarevsky, Igor – 1/2-1/2 – Keres, P. – G11 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c6 6. Ne5 Bb4+ 7. Nc3 Nd5 8. Bd2 Nb6 9. Ne4 a5 10. e3 O-O
1954 DDR Ch 05th – Round 10 – Schlieder, Rolf – 1-0 – Dannberg, Wolf – G49 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c6 6. O-O Qc7 7. Ne5 b5 8. a4 Bb7 9. b3 cxb3 10. Qxb3 bxa4
1956 URS Ch sf – Round ? – Zilber, Israel – 1-0 – Rovner, Dmitry – G41 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. Na3 a6 10. Ne5 Bd7
1970 IBM – Round 7 – Hartoch, Robert G – 1/2-1/2 – Ciric, Dimitrije – G13 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. O-O Nc6 8. d4 cxd4 9. Nxd4 Rc8 10. Nc3 Be7
1971 Moscow – Round 3 – Lengyel, Laszlo – 0-1 – Karpov, Anatoly – G69 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 b5 6. Ne5 Nd5 7. O-O Bb7 8. e4 Nf6 9. Re1 Nbd7 10. Qe2 a6
1971 Moscow – Round 3 – Lengyel, Levente – 0-1 – Karpov, Anatoly – G70 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 b5 6. Ne5 Nd5 7. O-O Bb7 8. e4 Nf6 9. Re1 Nbd7 10. Qe2 a6
1972 Skopje ol (Men) fin-A – Round 1 – Schmidt, Waldemar – 1/2-1/2 – Pomar Salamanca, Arturo – G392 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O Nc6 5. d4 e6 6. c4 dxc4 7. Qa4 Bd7 8. dxc5 Bxc5 9. Qxc4 Qe7 10. Nc3 Bb6
1973 Leningrad Interzonal – Round 1 – Tukmakov, Vladimir B – 0-1 – Korchnoi, Viktor – G43 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 b5 6. a4 c6 7. O-O Bb7 8. Ne5 a6 9. b3 cxb3 10. Bb2 Qb6
1973 Leningrad Interzonal – Round 17 – Quinteros, Miguel Angel – 1/2-1/2 – Rukavina, Josip – G138 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. O-O Nf6 6. c4 dxc4 7. Qa4 Bd7 8. Qxc4 cxd4 9. Nxd4 Rc8 10. Nxc6 Bxc6
2. FIDE GP 2008 – Round 7 – Grischuk, Alexander – 1/2-1/2 – Gelfand, Boris – G36 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. O-O Rb8 10. Na3 O-O
3. London Chess Classic 2011 – Round 1 – Kramnik, Vladimir – 1/2-1/2 – Nakamura, Hikaru – G4 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. O-O Rb8 10. Na3 O-O
34. ECC Open 2018 – Round 6.1 – Leko, Peter – 1/2-1/2 – Harikrishna, Pentala – G168 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Bd7 6. Qc2 c5 7. Qxc4 Bc6 8. dxc5 Nbd7 9. Be3 Bd5 10. Qa4 Bc6
36. Olympiad 2004 – Round 12 – Ehlvest, Jaan – 1-0 – San Segundo Carrillo, Pablo – G417 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. a3 b5 10. Qxb5 Nc2+
41. Olympiad Open 2014 – Round 8.16 – Ly, Moulthun – 1/2-1/2 – Filippov, Anton – G555 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. c4 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. O-O Be7 9. e3 O-O 10. Qe2 e5
43. Olympiad 2018 – Round 10.20 – Banikas, Hristos – 1-0 – Fier, Alexandr – G649 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. O-O Qd7 9. e3 Rd8 10. Qe2 e5
7. Norway Chess 2019 – Round 5.3 – Yu, Yangyi – 1/2-1/2 – Caruana, Fabiano – G22 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Bg2 c6 6. Ne5 Bb4+ 7. Bd2 Be7 8. e3 b5 9. a4 b4 10. Nxc4 Nbd7
79. Tata Steel GpA 2017 – Round 13.5 – Van Wely, Loek – 1-0 – Harikrishna, Pentala – G88 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Bd7 6. Ne5 Nc6 7. Nxc4 Bb4+ 8. Nc3 Nd5 9. Qd3 O-O 10. O-O Be7
80. Tata Steel GpA 2018 – Round 2.3 – Matlakov, Maxim – 1/2-1/2 – So, Wesley – G9 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. Nc3 Bd7 10. O-O a5
Amber Blindfold 1999 – Round 8 – Karpov, Anatoly – 1/2-1/2 – Kramnik, Vladimir – G39 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. a3 b5 10. Qd1 Nd5
Amber-blindfold 18th 2009 – Round 7 – Topalov, Veselin – 1/2-1/2 – Ivanchuk, Vasyl – G23 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c6 6. O-O b5 7. Ne5 Bb7 8. a4 a6 9. axb5 axb5 10. Rxa8 Bxa8
Amber-rapid 16th 2007 – Round 4 – Svidler, Peter – 1-0 – Vallejo Pons, Francisco – G9 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Bg2 c6 6. O-O b5 7. a4 Bb7 8. b3 cxb3 9. Qxb3 a6 10. Nc3 Be7
Candidats sf1 1983 – Round 7 – Kasparov, Garry – 1-0 – Korchnoi, Viktor – G6 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bd7 6. Qc2 c5 7. O-O Bc6 8. Qxc4 Nbd7 9. Bg5 Rc8 10. Bxf6 Nxf6
Corus 2001 – Round 13 – Kasparov, Garry – 1/2-1/2 – Adams, Michael – G83 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. a3 b5 10. Qxb5 Nc2+
Corus 2002 – Round 5 – Gelfand, Boris – 1/2-1/2 – Van Wely, Loek – G35 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. O-O Rb8 10. Na3 a6
Corus 2002 – Round 9 – Kasimdzhanov, Rustam – 1-0 – Van Wely, Loek – G60 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. a3 b5 10. Qxb5 Nc2+
Corus A 2009 – Round 10 – Aronian, Levon – 1-0 – Adams, Michael – G62 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. Nc3 a6 10. Ne5 O-O
FIDE GP 2002 – Round 1.1 – Karpov, Anatoly – 0-1 – Van Wely, Loek – G4 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. a3 b5 10. Qxb5 Nc2+
FIDE Grand Swiss 2025 – Round 2 – Deac Bogdan-Daniel – 1/2-1/2 – Najer Evgeniy – G87 1. Nf3 d5 2. g3 c5 3. Bg2 g6 4. c4 Nf6 5. cxd5 Nxd5 6. d4 Bg7 7. dxc5 O-O 8. O-O Na6 9. Ng5 e6 10. Nc3 Nxc3
FIDE WCh KO 2001 – Round 1.1 – Delchev, Aleksander – 1-0 – Timoshenko, Georgy – G12 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. O-O a6 10. Ne5 O-O
FIDE World Cup 2017 – Round 1.2 – Melkumyan, Hrant – 1/2-1/2 – Grachev, Boris – G67 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. d4 dxc4 5. Nf3 Bd7 6. Nbd2 Bb4 7. O-O Bxd2 8. Bxd2 Bc6 9. Rc1 Bd5 10. Bg5 Nbd7
FIDE World Cup 2017 – Round 1.2 – Rodshtein, Maxim – 1/2-1/2 – Hovhannisyan, Razmik – G72 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. O-O Qd7 9. e3 Rd8 10. Qc2 e5
FIDE World Cup 2017 – Round 1.3 – Rodshtein, Maxim – 1-0 – Hovhannisyan, Razmik – G128 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. O-O Qd7 9. e3 Rd8 10. Qc2 e5
FIDE World Cup 2019 – Round 2.1 – Grischuk, Alexander – 1/2-1/2 – Bok, Benjamin – G204 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c6 6. Ne5 Bb4+ 7. Bd2 Be7 8. Bf4 Bb4+ 9. Bd2 Be7 10. Bf4 Bb4+
FTX Crypto Cup 2022 – Round 7.3 – Carlsen, Magnus – 1-0 – Praggnanandhaa R – G109 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 Bd7 6. Qc2 c5 7. Qxc4 Bc6 8. dxc5 Nbd7 9. Be3 Bd5 10. Qc1 Ng4
Grand Slam Final Masters 2010 – Round 3 – Anand, Viswanathan – 1/2-1/2 – Kramnik, Vladimir – G5 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. O-O Rb8 10. Na3 O-O
Interpolis 1989 – Round 2 – Hjartarson, Johann – 1-0 – Piket, Jeroen – G8 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. e3 Qd7 9. Qe2 e5 10. O-O O-O-O
Interpolis 1989 – Round 9 – Ivanchuk, Vasyl – 0-1 – Korchnoi, Viktor – G30 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. a3 b5 10. Qxb5 Nc2+
Moskou ch-URS 1988 – Round 1 – Beliavsky, Alexander G – 1/2-1/2 – Karpov, Anatoly – G25 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. e3 Qd7 9. O-O Rb8 10. Qe2 b5
Petrosian Memorial 2014 – Round 7.1 – Grischuk, Alexander – 1/2-1/2 – Kramnik, Vladimir – G25 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c6 6. Ne5 Bb4+ 7. Bd2 Qxd4 8. Bxb4 Qxe5 9. Na3 b5 10. Bc3 Qc5
Shanghai Masters 2010 – Round 5 – Aronian, Levon – 0-1 – Kramnik, Vladimir – G9 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. Nc3 Bd7 10. O-O a5
Sinquefield GCT TB 2018 – Round 1 – So, Wesley – 1/2-1/2 – Caruana, Fabiano – G1 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. O-O Rb8 10. Na3 O-O
Sparkassen 2006 – Round 3 – Leko, Peter – 1/2-1/2 – Adams, Michael – G7 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. a3 b5 10. Qxb5 Nc2+
Superbet Classic 2021 – Round 3.2 – Deac, Bogdan-Daniel – 1/2-1/2 – Mamedyarov, Shakhriyar – G11 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. O-O Rb8 10. Na3 O-O
SuperGM 2000 – Round 2 – Bareev, Evgeny – 1/2-1/2 – Adams, Michael – G5 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. a3 b5 10. Qxb5 Nc2+
Tata Steel Chess 2025 – Round 11 – Fedoseev Vladimir – 0-1 – Mendonca Leon Luke – G65 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c6 6. a4 Bb4+ 7. Bd2 a5 8. Bc3 O-O 9. Ne5 c5 10. O-O Nc6
Tata Steel India Blitz 2022 – Round 6.4 – Saini Vidit – 1-0 – Gukesh D – G28 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c6 6. a4 Bb4+ 7. Bd2 a5 8. Qc2 Bxd2+ 9. Qxd2 Ne4 10. Qc1 Nd6
Tata Steel India Rapid 2019 – Round 9.5 – Giri, Anish – 1/2-1/2 – So, Wesley – G45 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. O-O Rb8 10. Na3 O-O
Tata Steel Masters 2024 - Round 2 - Abdusattorov, Nodirbek - 1/2-1/2 - Praggnanandhaa, R 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. e3 Qd7 9. Qe2 e5 10. O-O Rd8
USA Ch 2018 – Round 7.4 – Xiong, Jeffery – 1/2-1/2 – Zherebukh, Yaroslav – G40 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. Nc3 Bd7 10. O-O a5
USA Ch 2022 – Round 11.6 – Shankland, Sam – 1/2-1/2 – Aronian, Levon – G75 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c6 6. O-O b5 7. Ne5 Bb7 8. a4 a6 9. b3 cxb3 10. Qxb3 Qxd4
Vugar Gashimov Mem 2018 – Round 2.4 – Wojtaszek, Radoslaw – 1/2-1/2 – Mamedyarov, Shakhriyar – G9 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. Ne5 O-O 10. Nxc6 Nxc6
World Blitz 2017 – Round 21.45 – Halkias, Stelios – 1-0 – Moiseenko, Alexander – G1114 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. e3 Qd7 9. O-O Rd8 10. Nc3 a6
World Blitz 2018 – Round 15.20 – Adly, Ahmed – 1/2-1/2 – Khusnutdinov, Rustam – G880 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Bg2 Bd7 6. O-O Bc6 7. Qc2 Nbd7 8. Qxc4 Bd5 9. Qc2 Be4 10. Qd1 c5
World Blitz 2018 – Round 2.8 – Yu, Yangyi – 1/2-1/2 – Khusnutdinov, Rafael – G136 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bd7 6. O-O Bc6 7. Qc2 Nbd7 8. Qxc4 Bd5 9. Qd3 Be4 10. Qd2 c5
World Blitz 2018 – Round 4.35 – Bindrich, Falko – 1/2-1/2 – Bazeev, German – G232 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Bd7 6. Nbd2 Bb4 7. Qc2 Bc6 8. Qxc4 Bxd2+ 9. Bxd2 O-O 10. O-O Nbd7
World Blitz 2019 – Round 11.31 – Sakaev, Konstantin – 1/2-1/2 – Vitiugov, Nikita – G742 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c6 6. Ne5 Bb4+ 7. Bd2 Be7 8. Bf4 Nd5 9. Nxc4 Nxf4 10. gxf4 Nd7
World Blitz 2019 – Round 15.42 – Fridman, Daniel – 1-0 – Harsha Bharathakoti – G1019 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 c6 6. Ne5 Bb4+ 7. Nc3 Nd5 8. Bd2 b5 9. O-O a5 10. a4 Bxc3
World Blitz 2019 – Round 17.36 – Fridman, Daniel – 1-0 – Frolyanov, Dmitry – G1144 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. Nc3 Bd7 10. O-O a5
World Blitz 2019 – Round 2.8 – Yuffa, Daniil – 1/2-1/2 – Andreikin, Dmitry – G148 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c6 6. a4 c5 7. O-O Nc6 8. dxc5 Bxc5 9. Qxd8+ Kxd8 10. Nbd2 Ke7
World Blitz 2022 – Round 3.27 – Dubov, Daniil – 1-0 – Narayanan, Sunilduth Lyna – G143 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Bg2 c6 6. O-O b5 7. Ne5 Bb7 8. b3 cxb3 9. axb3 Nfd7 10. Nd3 Be7
World Cup 1988 – Round 1 – Jussupow, Artur – 1/2-1/2 – Karpov, Anatoly – G18 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. O-O Qd7 9. Nc3 Nxd4 10. Bxb7 Rb8
World Cup 1988 – Round 1 – Nikolic, Predrag – 1/2-1/2 – Karpov, Anatoly – G30 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bd7 6. Qc2 c5 7. Ne5 Bc6 8. Nxc6 Nxc6 9. Bxc6+ bxc6 10. dxc5 Qa5+
World Rapid 2016 – Round 6.27 – Cheparinov, Ivan – 1-0 – Lu, Shanglei – G226 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. O-O Qd7 9. e3 Rd8 10. Nc3 Nb4
World Rapid 2016 – Round 6.31 – Vallejo Pons, Francisco – 0-1 – Aleksandrov, Aleksej – G231 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Qb5 Bxd2+ 9. Nbxd2 c3 10. bxc3 Nxc3
World Rapid 2019 – Round 10.41 – Sadhwani, Raunak – 1/2-1/2 – Vitiugov, Nikita – G652 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Bg2 c6 6. Nc3 Nbd7 7. a4 Bb4 8. O-O O-O 9. Nd2 e5 10. Nxc4 exd4
World Rapid 2019 – Round 11.16 – Gelfand, Boris – 1/2-1/2 – Geller, Jakov – G693 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 c6 6. Ne5 c5 7. Be3 Nd5 8. Qa4+ Nd7 9. Bxd5 exd5 10. Nc3 Bd6
World Rapid 2019 – Round 2.77 – Pashikian, Arman – 1/2-1/2 – Batchuluun, Tsegmed – G143 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. O-O Rb8 10. Na3 O-O
World Rapid 2019 – Round 8.46 – Fridman, Daniel – 0-1 – Xu, Yinglun – G529 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 c6 6. Ne5 c5 7. Na3 cxd4 8. Naxc4 Bc5 9. a3 a5 10. Qa4+ Nbd7
World Rapid 2021 – Round 9.4 – Gelfand, Boris – 0-1 – Abdusattorov, Nodirbek – G535 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Nxb4 9. Nc3 Rb8 10. a3 Nd5

E04a — Open

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3

Les coups candidats

5…a6 — 32.5% (8268 parties) →

Ambassadeurs : Rawlings, Alan J C (41x), Pérez López, Alberto (41x), Deforel, Jorge Eduardo (37x), Sveshnikov, Evgeny (35x), Novikov, Igor (29x), Dorer, Manfred (29x), Salzmann, Stefan (26x), Beliavsky, Alexander G (21x)

5…Nc6 — 21.5% (5488 parties) →

Ambassadeurs : Langer, Raimund (25x), Gleizerov, Evgeny (18x), Aleksandrov Ivanchev, Aleksandar (18x), Frolyanov, Dmitry (17x), Raetsky, Alexander (16x), Krasenkow, Michal (16x), Naiditsch, Arkadij (16x), Luther, Thomas (15x)

5…c5 — 15.7% (4006 parties) →

Ambassadeurs : Lu, Shanglei (32x), Sokolov, Andrei (27x), Inkiov, Ventzislav (21x), Fridman, Daniel (17x), Stukalov, Mikhail Vasilievich (11x), Salonen, Jukka (11x), Alburt, Lev (10x), Andersson, Ulf (10x)

5…Bb4+ — 12.2% (3114 parties) →

Ambassadeurs : Landa, Konstantin (14x), Michenka, Jozef (13x), Korneev, Oleg (13x), Probola, Ryszard (13x), Tsvetkov, Andrey (13x), Brunello, Sabino (11x), Ilincic, Zlatko (11x), Horvath, Peter (10x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…a6	5…Nc6	5…c5	5…Bb4+
<1800	339	27%	21%	21%	10%
1800-2200	6510	32%	22%	16%	12%
2200-2600	15434	34%	22%	14%	13%
2600+	1228	26%	17%	27%	15%

Évolution par décennie (% des parties)

Décennie	N parties	5…a6	5…Nc6	5…c5	5…Bb4+
1930s	5	—	—	20%	—
1940s	30	13%	—	23%	3%
1950s	85	15%	2%	42%	7%
1960s	53	17%	4%	25%	9%
1970s	194	31%	3%	15%	11%
1980s	980	26%	6%	35%	3%
1990s	1701	19%	30%	21%	4%
2000s	4450	31%	30%	16%	8%
2010s	12357	35%	23%	13%	14%
2020s	5615	33%	13%	17%	16%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…a6	35%	33%	▼ -1.9%
5…Nc6	23%	13%	▼ -9.8%
5…c5	13%	17%	▲ +3.9%
5…Bb4+	14%	16%	▲ +2.5%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Aleksandr — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Gukesh D — 10 parties
Kasparov, Garry — 8 parties
Ding, Liren — 7 parties
Smyslov, Vladimir — 4 parties
Euwe, Max — 3 parties
Tal, Mikhail — 3 parties
Hou, Yifan — 3 parties
Botvinnik, Mikhail — 1 partie

Parties historiques

5…a6 — 32.5% (8268 parties)

1947 — Ozols, Karlis vs Zemgalis, Elmars — 1-0 — Hanau
1948 — Opocensky, Karel vs Fletzer, Gino — 1/2-1/2 — Venice ITA
1948 — Opocensky, Karel vs Fletzer — 1/2-1/2 — Venice ITA
1948 — Opocensky, Karel vs Castaldi, Vincenzo — 0-1 — Venice ITA
1951 — Gereben, Erno vs Pogats, Jozsef Jr. — 1-0 — Budapest HUN

5…Nc6 — 21.5% (5488 parties)

1955 — Secchi, Eduardo vs Corbijn Juan — 1-0 — cr.
1956 — Zilber, Israel vs Rovner, Dmitry — 1-0 — Leningrad RUS
1960 — Shamkovich, Leonid vs Vladimirov, Boris T — 1/2-1/2 — Moscow RUS
1961 — Bronstein, David I vs Estrin, Yakov — 1/2-1/2 — Moscow RUS
1971 — Bukic, Enver vs Cvetkovic, Srdjan — 0-1 — Portoroz SLO

5…c5 — 15.7% (4006 parties)

1939 — Reinfeld, Fred vs Mccormick Sanchez, Elliot Gael — 1/2-1/2 — Ventnor City
1940 — Bondarevsky, Igor vs Veresov, Gavriil — 1-0 — Moskou ch-URS
1940 — Bondarevsky, Igor vs Veresov, Gavriil — 1-0 — Moscow RUS
1943 — Opocensky, Karel vs Louma, Josef — 1/2-1/2 — Prague CZE
1945 — Opocensky, Karel vs Prucha, Karel — 1-0 — Prague Prague CZE

5…Bb4+ — 12.2% (3114 parties)

1946 — Ragozin, Viacheslav vs Pinkus, Albert — 1-0 — Moscow RUS
1951 — O'Kelly de Galway, Alberic vs Van Seters, Frits — 0-1 — Brussels BEL
1953 — Petrosian, Tigran V. vs Bronstein, David I — 1/2-1/2 — Zurich SUI
1953 — Keres, Paul Petrovich vs Hindre — 1-0 — Tartu EST
1953 — Van Seters, Frits vs Soultanbeieff, Victor — 1-0 — Antwerp BEL

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