A13v — English: Neo-Catalan Accepted, 5.Qa4+ Nbd7 6.O-O

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.O-O * ● 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, pawn c4 en prise.
Problèmes : roi au centre, Bc1 enfermé, Bg2 enfermé, 4 pièces non développées (B1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nc3 — Développer Nb1
● 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 (4v2), case forte d5, paire de fous, colonne d.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Nbd7 — Développer Nb8
● ...Be7 — Développer Bf8
● ...Bg4 — Clouer Nf3

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	—	● d5 (3v0)
Cases faibles	—	—
Centre	● e5 (1v0)	● d5 (3v0), ● e4 (1v0)

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. 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	● d2-d3, ● d2-d4, ● e2-e3	● …c7-c6, ● …c7-c5, ● …e6-e5

Partie
19. European Teams 2013 – Round 6.9 – Swiercz, Dariusz – 1/2-1/2 – Ipatov, Alexander – G233 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. O-O Nbd7 8. Nc3 Bd6 9. d4 O-O 10. Rd1 Qe7
1972 San Antonio – Round 1 – Suttles, Duncan – 1/2-1/2 – Keres, Paul – G9 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. O-O a6 7. Nc3 c5 8. Ne5 Rb8 9. Nxd7 Qxd7 10. Qxc4 b5
1972 San Antonio – Round 7 – Suttles, Duncan – 1/2-1/2 – Keres, Paul – G8 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. O-O a6 7. Nc3 c5 8. Ne5 Rb8 9. Nxd7 Qxd7 10. Qxc4 b5
1975 URS Team Ch – Round 1 – Tukmakov, Vladimir B – 1/2-1/2 – Balashov, Yuri S – G30 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. O-O a6 7. Qxc4 b5 8. Qc2 Bb7 9. b3 c5 10. Bb2 Be7
1975 URS Team Ch – Round 4 – Mochalov, Evgeny V – 1/2-1/2 – Taimanov, Mark – G561 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. O-O a6 7. Qxc4 b5 8. Qc6 Rb8 9. Qc2 Bb7 10. d3 Be7
30. ECC Open 2014 – Round 3.2 – Georgiev, Kiril – 1/2-1/2 – Khairullin, Ildar – G54 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Nc3 Nc6 9. Nxd7 Qxd7 10. O-O Rc8
41. Olympiad Open 2014 – Round 2.15 – Bartel, Mateusz – 1/2-1/2 – Li, Zuhao Luke – G106 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. d4 Nbd7 9. Ne5 Qb6 10. Nc3 Qxd4
43. Olympiad 2018 – Round 11.14 – L'Ami, Erwin – 1/2-1/2 – Bilguun, Sumiya – G710 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. b3 Nbd7 9. Bb2 Be7 10. O-O c5
43. Olympiad 2018 – Round 2.41 – Adams, Michael – 1-0 – Godart, Francois – G135 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qb3 Bb7 8. O-O Nbd7 9. d4 a6 10. Ne5 Qb6
43. Olympiad 2018 – Round 8.17 – Almasi, Zoltan – 1/2-1/2 – Keinanen, Toivo – G513 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Qd3 Nc6 9. Nxd7 Nxd7 10. Nc3 Be7
6. World Blitz 2010 – Round 32 – Andreikin, Dmitry – 1-0 – Grachev, Boris – G221 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. O-O Nbd7 9. Nc3 a6 10. a4 Be7
Amber Blindfold 1999 – Round 6 – Ivanchuk, Vasyl – 0-1 – Kramnik, Vladimir – G31 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. a4 Be7 9. Ne5 Nd5 10. O-O O-O
Corus A 2005 – Round 7 – Bruzon Batista, Lazaro – 0-1 – Anand, Viswanathan – G45 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. d4 Nbd7 9. a4 c5 10. O-O b4
Corus A 2008 – Round 11 – Ivanchuk, Vasyl – 1/2-1/2 – Adams, Michael – G70 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. d4 Nbd7 9. Ne5 Qb6 10. Nxd7 Nxd7
FIDE Candidates 2018 – Round 11.2 – Aronian, Levon – 0-1 – Karjakin, Sergey – G42 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qb3 Bb7 8. O-O Be7 9. d4 O-O 10. Rd1 Nbd7
FIDE Candidates 2018 – Round 8.4 – Ding, Liren – 1/2-1/2 – Aronian, Levon – G32 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. d4 Bc6 8. dxc5 Nbd7 9. Be3 Bd5 10. Qc2 Be4
FIDE Grand Swiss 2025 – Round 5 – Narayanan, Sunilduth Lyna – 1/2-1/2 – Lu Shanglei – G267 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Qd3 Nc6 9. Nxd7 Nxd7 10. Nc3 Be7
FIDE WCh KO 2000 – Round 4.1 – Ehlvest, Jaan – 1/2-1/2 – Grischuk, Alexander – G39 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. O-O Nbd7 9. b3 Be7 10. Bb2 O-O
FIDE World Blitz Championship 2014 – Round 14.4 – Anand, Viswanathan – 1-0 – Meier, Georg – G130 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qb3 Bb7 8. O-O Nbd7 9. d4 Be7 10. Ne5 Nxe5
FIDE World Cup 2015 – Round 5.2 – Nakamura, Hikaru – 1/2-1/2 – Eljanov, Pavel – G402 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. O-O Nc6 9. Nxd7 Qxd7 10. Nc3 Be7
FIDE World Cup 2017 – Round 5.2 – Ivanchuk, Vasyl – 1/2-1/2 – Aronian, Levon – G401 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. d3 Nc6 9. Nxd7 Qxd7 10. Nd2 Nd4
FIDE World Cup 2017 – Round 7.3 – Aronian, Levon – 1/2-1/2 – Ding, Liren – G424 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Qd3 Nc6 9. Nxd7 Nxd7 10. Qb3 Be7
FIDE World Rapid 2014 – Round 6.12 – Aronian, Levon – 1-0 – Riazantsev, Alexander – G52 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Nxd7 Qxd7 9. Nc3 Nc6 10. O-O Rc8
GCT Blitz Croatia 2021 – Round 8.4 – Nepomniachtchi, Ian – 1-0 – Duda, Jacob – G39 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Qd3 Nc6 9. Nxd7 Nxd7 10. Nc3 Be7
GCT Blitz Paris 2021 – Round 6.3 – Nepomniachtchi, Ian – 1-0 – Aronian, Levon – G27 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Qd3 Bc6 9. Nxc6 Nxc6 10. Nc3 Be7
GCT Blitz Paris 2021 – Round 7.4 – Kramnik, Vladimir – 0-1 – Nepomniachtchi, Ian – G33 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. O-O Nc6 9. Nxd7 Qxd7 10. Nc3 Rc8
GCT Blitz YourNextMove 2018 – Round 14.3 – Grischuk, Alexander – 1-0 – Karjakin, Sergey – G68 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qb3 Bb7 8. O-O Be7 9. d4 O-O 10. Rd1 Nbd7
GCT Rapid Paris 2021 – Round 5.5 – Nepomniachtchi, Ian – 1-0 – Aronian, Levon – G24 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. b3 Nc6 9. Nxd7 Qxd7 10. Bb2 Be7
GMA 2004 – Round 7 – Akopian, Vladimir – 1/2-1/2 – Adams, Michael – G48 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qb3 Bb7 8. a4 a6 9. Nc3 b4 10. d3 c5
Interpolis 1985 – Round 1 – Miles, Anthony J – 1-0 – Timman, Jan H – G35 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. O-O a6 7. Qxc4 c5 8. Qb3 Bd6 9. a4 O-O 10. Na3 Nb8
Manila Interzonal 1990 – Round 10 – Damljanovic, Branko – 1/2-1/2 – Korchnoi, Viktor – G175 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. O-O a6 7. Qxc4 b5 8. Qc2 Bb7 9. d3 c5 10. b3 Be7
Mar del Plata 1982 – Round 1 – Najdorf, Miguel – 1/2-1/2 – Polugaevsky, Lev – G55 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. O-O c5 7. Qxc4 b6 8. b3 Bb7 9. Bb2 Be7 10. Qc2 O-O
Saint Louis Rapid 2021 – Round 8.1 – Shankland, Sam – 1-0 – Le, Quang Liem – G36 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. O-O Nbd7 9. Nc3 Rc8 10. b3 Be7
Superbet Blitz 2023 – Round 15.3 – Giri, Anish – 1/2-1/2 – Wojtaszek, Radoslaw – G73 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qb3 Bb7 8. O-O Be7 9. d4 O-O 10. Nc3 a6
Tata Steel India Blitz 2018 – Round 13.4 – Anand, Viswanathan – 1-0 – Ganguly, Surya Shekhar – G64 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Nc6 8. Nxc6 Bxc6 9. Bxc6+ bxc6 10. Nc3 Rb8
Tilburg NED 1983 – Round 1 – Karpov, Anatoly – 1/2-1/2 – Ljubojevic, Ljubomir – G1 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. O-O c5 7. Qxc4 b6 8. d4 Bb7 9. Nc3 a6 10. dxc5 b5
USA Ch 2017 – Round 4.6 – Shabalov, Alexander – 1/2-1/2 – Akobian, Varuzhan – G24 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. O-O Bc6 8. b3 Nbd7 9. Bb2 Be7 10. Qc2 O-O
World Blitz 2015 – Round 16.11 – Mamedov, Rauf – 1/2-1/2 – Kasimdzhanov, Rustam – G975 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Nxd7 Qxd7 9. O-O Nc6 10. Nc3 Be7
World Blitz 2015 – Round 6.13 – Mamedov, Rauf – 1-0 – Riazantsev, Alexander – G347 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Qd7 6. Qxc4 c5 7. Ne5 Qd6 8. Qb5+ Nbd7 9. Nc4 Qc7 10. d3 a6
World Blitz 2016 – Round 1.11 – Mamedov, Rauf – 1/2-1/2 – Ghaem Maghami, Ehsan – G4 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. O-O Nbd7 9. d4 c5 10. Nc3 a6
World Blitz 2016 – Round 8.13 – Grischuk, Alexander – 1-0 – Wojtaszek, Radoslaw – G304 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Qd3 Nc6 9. Nxd7 Nxd7 10. Qb5 Nde5
World Blitz 2019 – Round 6.64 – Indjic, Aleksandar – 1-0 – Dragnev, Valentin – G436 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Nxd7 Qxd7 9. O-O Nc6 10. Qc2 Rc8
World Blitz 2019 – Round 8.83 – Inarkiev, Ernesto – 0-1 – Kazakouski, Valery – G586 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. O-O Be7 9. a4 a6 10. d3 O-O
World Blitz 2021 – Round 12.64 – Anton Guijarro, David – 1-0 – Holm, Kristian Stuvik – G737 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Qd3 Nc6 9. Nxd7 Nxd7 10. O-O Be7
World Blitz 2021 – Round 16.55 – Teclaf, Pawel – 0-1 – Bartel, Mateusz – G964 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. a4 a6 9. Nc3 Nbd7 10. O-O Rc8
World Blitz 2021 – Round 2.29 – Teclaf, Pawel – 1/2-1/2 – Bluebaum, Matthias – G87 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Qd3 Bc6 9. Nxc6 Nxc6 10. Nc3 Be7
World Blitz 2022 – Round 11.66 – Yakubboev, Nodirbek – 1-0 – Arjun, Kalyan(excluded) – G606 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. a4 a6 9. O-O Nbd7 10. Nc3 b4
World Blitz 2023 – Round 11.3 – Artemiev, Vladislav – 1-0 – Sjugirov, Sanan – G643 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. d4 b5 8. Qc2 Na6 9. O-O Rc8 10. Qd1 Bc6
World Blitz 2023 – Round 13.11 – Svidler, Peter – 1-0 – Muradli, Mahammad – G731 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. O-O Nbd7 9. a4 a6 10. d3 Rc8
World Rapid 2021 – Round 12.31 – Howell, David W L – 1-0 – Kozak, Adam – G704 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. Nc3 Nc6 9. Nxd7 Qxd7 10. O-O Rc8
World Rapid 2021 – Round 4.40 – Howell, David W L – 1/2-1/2 – Faizrakhmanov, Ramil – G229 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. O-O Nc6 9. Nxd7 Qxd7 10. Nc3 Rc8

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