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

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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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), la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en c8 et f8, le roi resté au centre et une pièce en prise (le pion en c4).

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) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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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, 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) ; ...c6 (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	—	● 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
1925 Moscow – Round 1 – Zubarev, Nikolay – 1/2-1/2 – Tartakower, Savielly – G129 1. Nf3 d5 2. c4 e6 3. g3 dxc4 4. Bg2 Nd7 5. Qa4 Nf6 6. Nc3 Be7 7. O-O O-O 8. Qxc4 c5 9. Rd1 a6 10. a4 b5
1927 London – Round 4 – Reti, Richard – 1-0 – Vidmar Milan – G21 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. O-O Be7 8. Qc2 O-O 9. Nc3 Nbd7 10. Rd1 e5
1928 Vienna – Round 1 – Kmoch, Hans – 1/2-1/2 – Gruenfeld, Ernst – G4 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. O-O Nbd7 8. Qc2 Be7 9. Nc3 e5 10. b3 O-O
1939 Buenos Aires Circulo – Round 1 – Stahlberg, Gideon – 1-0 – Palau, Luis – G45 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc7 8. d4 Nc6 9. Nxd7 Nxd7 10. dxc5 Bxc5
1945 Novi Sad – Round 1 – Milic, Borislav – 1/2-1/2 – Preinfalk, Anton – G43 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. O-O Nbd7 8. Nc3 Bd6 9. e4 e5 10. d4 O-O
1951 Tashkent m – Round 4 – Petrosian, Tigran A. – 1-0 – Mukhitdinov, Mamadzhan – G4 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. O-O Nbd7 8. Qc2 Nb6 9. Nc3 h6 10. d3 Bb4
1952 Budapest – Round 6 – Botvinnik, Mikhail – 1-0 – Gereben, Erno – G54 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Qd7 6. Qxc4 Qc6 7. b3 Qxc4 8. bxc4 Nbd7 9. Nc3 Bb4 10. Nb5 Ba5
1952 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1-0 – Suetin, Alexey S – G4 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Qc2 Nbd7 8. O-O e5 9. Nc3 Bc5 10. d3 O-O
1954 URS Team Ch – Round 1 – Moiseev, Oleg – 1/2-1/2 – Konstantinopolsky, Alexander – G2 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. O-O Be7 8. Qc2 O-O 9. d3 Na6 10. a3 Nc5
1957 Mar del Plata – Round 14 – Alonso-Lej De Las Casas, Fernando – 1/2-1/2 – Bianco Esposito, Antonio – G118 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. O-O Nbd7 8. b3 Be7 9. Bb2 a5 10. Na3 Nb6
1957 Mar del Plata – Round 16 – Sanguineti, Raúl Carlos – 1-0 – Esposito, Alfredo – G133 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. O-O Nbd7 8. b3 Bd6 9. Na3 O-O 10. Bb2 Qe7
1957 Mar del Plata – Round 3 – Eliskases, Erich – 1/2-1/2 – Najdorf, Miguel – G41 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. O-O Nbd7 8. d4 Nb6 9. Qd3 Be4 10. Qd1 c5
1957 Sofia zt Sofia BUL – Round 1 – Barcza, Gedeon – 0-1 – Zita, Filip – G5 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Qd7 6. Qxc4 Qc6 7. b3 Be7 8. O-O O-O 9. Ba3 Qxc4 10. bxc4 Nc6
1959 DEN Ch – Round 9 – Andersen, Borge – 1-0 – Haahr, Thorkild – G46 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Nc6 8. Nxc6 Bxc6 9. Bxc6+ bxc6 10. O-O Rb8
1959 HUN Ch 15th – Round 16 – Navarovszky, Laszlo – 1-0 – Szily, Jozsef – G55 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Qc2 Nbd7 8. Nc3 a6 9. O-O Be7 10. d4 b5
1964 Moscow Ch Trades Union – Round 11 – Ilivitsky, Georgy A – 1-0 – Klovans, Janis – G6 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nc3 Nbd7 8. O-O Nb6 9. Qb3 a5 10. a3 Be7
1964 Tel Aviv olm prel – Round 2 – Andersen, Baltser – 1-0 – Unzicker, Wolfgang – G42 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nc3 Nbd7 8. d4 Nb6 9. Qd3 Bb4 10. O-O O-O
1964 Tel Aviv olm prel – Round 5 – Fridh, Anton – 1-0 – De Loughry, Desmond – G166 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. O-O Nbd7 8. d3 Be7 9. Qc2 O-O 10. Nc3 Re8
1964 URS – Round ? – Reshko, Aron – 0-1 – Stoliar, Efim Samoilovich – G3 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Nfd7 6. Qxc4 c5 7. O-O Nc6 8. a3 Be7 9. Rd1 Nb6 10. Qc2 O-O
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
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
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

A13v — Neo-Catalan Accepted

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+

Les coups candidats

5…Nbd7 — 51.5% (3257 parties)

Ambassadeurs : Sveshnikov, Evgeny (31x), Meijers, Viesturs (17x), Vaganian, Rafael A (14x), Schlosser, Philipp (14x), Mednis, Edmar J (13x), Korchnoi, Viktor (12x), Klovans, Janis (12x), Andersson, Ulf (11x)

5…c6 — 25.7% (1624 parties)

Ambassadeurs : Pérez López, Alberto (10x), Bellahcene, Bilel (9x), Pogorelov, Ruslan (8x), Adams, Michael (7x), Ghaem Maghami, Ehsan (7x), Xu, Yinglun (7x), Cosma, Elena-Luminita (7x), Anastasian, Ashot (6x)

5…Bd7 — 21.6% (1369 parties)

Ambassadeurs : Rozentalis, Eduardas (11x), Dragnev, Valentin (9x), Malakhatko, Vadim (8x), Pantsulaia, Levan (7x), Taimanov, Mark (6x), Aronian, Levon (6x), Gourlay, Iain (5x), Nazarova, Anastasia (5x)

5…Qd7 — 0.6% (39 parties)

Ambassadeurs : Estrin, Yakov (2x), Zakaryan, David (2x), Kopylov, Igor (1x), Lisitsin, Gleb (1x), Bronstein, David I (1x), Yudovich, Mikhail Jr (1x), Barcza, Gedeon (1x), Zita, Filip (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Nbd7	5…c6	5…Bd7	5…Qd7
<1800	59	29%	24%	36%	2%
1800-2200	1119	43%	30%	26%	0%
2200-2600	4404	54%	25%	20%	0%
2600+	364	46%	29%	24%	1%

Évolution par décennie (% des parties)

Décennie	N parties	5…Nbd7	5…c6	5…Bd7	5…Qd7
1920s	4	25%	—	75%	—
1930s	5	20%	—	80%	—
1940s	16	81%	—	12%	6%
1950s	43	63%	—	26%	12%
1960s	44	70%	—	20%	7%
1970s	152	88%	—	10%	2%
1980s	307	92%	—	7%	1%
1990s	663	81%	7%	10%	1%
2000s	1066	45%	43%	10%	0%
2010s	2670	44%	34%	21%	0%
2020s	1357	42%	16%	41%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Nbd7	44%	42%	▼ -1.8%
5…c6	34%	16%	▼ -18.4%
5…Bd7	21%	41%	▲ +20.3%
5…Qd7	0%	0%	-0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Ju, Wenjun — 6 parties
Ding, Liren — 6 parties
Smyslov, Vladimir — 5 parties
Anand, Viswanathan — 5 parties
Botvinnik, Mikhail — 4 parties
Karpov, Anatoly — 4 parties
Hou, Yifan — 4 parties
Kramnik, Vladimir — 3 parties
Carlsen, Magnus — 3 parties
Euwe, Max — 1 partie
Karpov, Aleksandr — 1 partie

Parties historiques

5…Nbd7 — 51.5% (3257 parties)

1929 — Takacs, Sandor vs Konig, I. — 1/2-1/2 — Rogaska Slatina
1939 — Eliskases, Erich vs Montoya Eisinger, Maximiliano — 1-0 — Bad Oeynhausen ch-GER
1941 — Iliesco, Juan vs Raud, Ilmar — 0-1 — Mar del Plata ARG
1944 — Katetov, Miroslav vs Foltys, Jan — 0-1 — Brno ch CZE
1946 — Subaric, Mladen vs Markovic, Mihajlo — 0-1 — Zagreb CRO

5…c6 — 25.7% (1624 parties)

1990 — Bader, Gerard vs Perrenot Pierre — 0-1 — cr.
1992 — Orel Music, Simona vs Marusic, Nada — 1/2-1/2 — Slovenia ch wmn
1993 — Roesemann, Rainer vs Onischuk, Alexander — 0-1 — Dortmund GER
1993 — Horvath, Gyula vs Rabiega, Robert — 0-1 — AUT-chT2S
1993 — Karlsson, Lars 1937 vs Rabiega, Robert — 1/2-1/2 — Wichern op Hamburg GER

5…Bd7 — 21.6% (1369 parties)

1927 — Nogues Acuna, Alejandro vs Heilimo, Eimo — 1-0 — London ENG
1927 — Reti, Richard vs Vidmar Milan — 1-0 — London ENG
1928 — Kmoch, Hans vs Gruenfeld, Ernst — 1/2-1/2 — Vienna AUT
1930 — Ozols, Karlis vs Klass Harry — 0-1 — ?
1937 — Heemsoth, Hermann vs Meyer, Oliver — 1-0 — ?

5…Qd7 — 0.6% (39 parties)

1949 — Kopylov, Igor vs Lisitsin, Gleb — 1-0 — Leningrad RUS
1951 — Shainswit, George vs Pinkus, Albert — 1/2-1/2 — New York ch-USA
1952 — Botvinnik, Mikhail vs Gereben, Erno — 1-0 — Budapest HUN
1955 — Filip, Miroslav vs Witkowski, Stefan — 1-0 — Lyon FRA
1957 — Barcza, Gedeon vs Zita, Filip — 0-1 — Sofia zt Sofia BUL

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