A28j — English: Four Knights, Romanishin Variation

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 Bxc3 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la paire de fous.

Côté adverse. Le fou enfermé en c8, le roi resté au centre et une pièce en prise (le fou en c3).

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c1 et f1 et les tours a1 et 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

Atouts. Les Noirs s'appuient sur la case forte b4, un fou actif en c3 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Bg4 (Clouer Nf3) ; ...d5 (Rupture) ; ...e4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● d2→e3, f2→e3	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● b4 (2v0)
Cases faibles	—	—
Centre	—	● d4 (3v2), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 2)
Bc3		● Bc3 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● pawn d2	—
Non développées	4 (c1, f1, a1, h1)	3 (c8, 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	● c4-c5, ● d2-d3, ● e3-e4	● …d7-d6, ● …d7-d5, ● …e5-e4

Partie
1965 Chigorin Memorial – Round 4 – Antoshin, Vladimir S – 1/2-1/2 – Flohr, Salo – G16 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 a5 8. d3 d5 9. cxd5 Nxd5 10. Qc2 a4
1975 URS Team Ch – Round 1 – Smyslov, Vassily – 1/2-1/2 – Gipslis, Aivars – G16 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. Be2 O-O 8. O-O e4 9. Ne1 d5 10. b3 Rd8
3. ACP World Rapid Cup 2009 – Round 4.4 – Svidler, Peter – 0-1 – Gelfand, Boris – G43 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 d5 8. cxd5 Nxd5 9. Qb3 Nb6 10. d3 O-O
34. ECC Open 2018 – Round 4.3 – Wang, Hao(ZJWZ) – 0-1 – Nemeth, Miklos – G124 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. d3 d6 8. Be2 a6 9. a4 Re8 10. e4 Ne7
43. Olympiad 2018 – Round 11.1 – Caruana, Fabiano – 1/2-1/2 – Ding, Liren – G695 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 Ne4 8. Qd3 exd4 9. Nxd4 O-O 10. Be2 Qb4+
43. Olympiad 2018 – Round 9.1 – Duda, Jan-Krzysztof – 1/2-1/2 – Caruana, Fabiano – G559 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 Ne4 8. Qd3 exd4 9. Nxd4 O-O 10. Be2 Qb4+
51. Biel GM 2018 – Round 5.2 – Svidler, Peter – 1/2-1/2 – Navara, David – G14 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. b3 d5 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5
6. Norway Chess 2018 – Round 5.2 – Caruana, Fabiano – 1-0 – Karjakin, Sergey – G21 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. b3 O-O 8. Bb2 Re8 9. a3 a5 10. h3 b6
6. Sinquefield Cup 2018 – Round 4.5 – So, Wesley – 1/2-1/2 – Karjakin, Sergey – G20 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 Ne4 8. Qd3 exd4 9. Nxd4 O-O 10. Be2 Qb4+
63. ch-USA 2019 – Round 11.4 – So, Wesley – 0-1 – Liang, Awonder – G64 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 e4 8. Ng1 d5 9. b3 O-O 10. Ne2 a5
7. Norway Armageddon 2019 – Round 5.4 – Ding, Liren – 1/2-1/2 – Aronian, Levon – G17 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. d3 d6 8. Be2 e4 9. dxe4 Re8 10. Nd2 Ng4
7. Norway Chess 2019 – Round 3.4 – Mamedyarov, Shakhriyar – 0-1 – Aronian, Levon – G13 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 Ne4 8. Qd3 exd4 9. Nxd4 O-O 10. Be2 Nxd4
Amber Blindfold 2000 – Round 8 – Van Wely, Loek – 1/2-1/2 – Gelfand, Boris – G31 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 e4 7. Nd4 O-O 8. Nxc6 bxc6 9. b3 a5 10. Bb2 c5
Corus A 2006 – Round 13 – Ivanchuk, Vasyl – 1-0 – Karjakin, Sergey – G79 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 d5 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5
Cote d'Ivoire Blitz 2019 – Round 18.5 – Ding, Liren – 1-0 – Karjakin, Sergey – G89 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. d3 d6 8. Be2 Ne8 9. O-O f5 10. c5 d5
FIDE Grand Swiss 2025 – Round 11 – Giri Anish – 1-0 – Niemann Hans Moke – G582 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 d5 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5
FIDE Grand Swiss 2025 – Round 2 – Nepomniachtchi Ian – 1-0 – Gurel Ediz – G71 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Bd2 Be7 9. Qb3 Qc7 10. Nxg6 hxg6
FIDE Grand Swiss 2025 – Round 4 – Olisa Tennyson Ewomazino – 0-1 – Sjugirov Sanan – G232 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d3 d5 8. cxd5 Nxd5 9. Qc2 Ndb4 10. Qc3 Nd4
FIDE WCh KO 2000 – Round 2.2 – Onischuk, Alexanderexander – 1/2-1/2 – Shirov, Alexei – G63 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 d5 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5
FIDE WCh KO 2000 – Round 2.4 – Onischuk, Alexanderexander – 1/2-1/2 – Shirov, Alexei – G79 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 d5 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 O-O
FIDE WCh KO 2001 – Round 1.1 – Xu, Jun(SD) – 1-0 – Atalik, Suat – G2 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 d5 8. cxd5 Nxd5 9. Qb3 Nb6 10. d3 Bf5
FIDE World Blitz Championship 2025 – Round 18 – Maxim Matlakov – 1-0 – Alexander Grischuk – G352 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 dxc4 6. e4 c5 7. dxc5 Qa5 8. Bd2 Qxc5 9. Qa4+ Bd7 10. Qxc4 Na6
FIDE World Cup 2017 – Round 1.2 – Howell, David W L – 1/2-1/2 – Aditya Tari – G66 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. Be2 d5 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5
FIDE World Cup 2017 – Round 1.4 – Howell, David W L – 1/2-1/2 – Aditya Tari – G149 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. Be2 d5 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5
FIDE World Cup 2017 – Round 3.1 – Aronian, Levon – 1-0 – Matlakov, Maxim – G316 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. d3 d6 8. Be2 Re8 9. e4 Ne7 10. Nh4 Ng6
FIDE World Cup 2019 – Round 3.3 – Wang, Hao(ZJWZ) – 1-0 – Dominguez Perez, Leinier – G329 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 e4 8. Ng1 d5 9. h3 O-O 10. Bd2 a5
FIDE World Cup 2019 – Round 3.5 – Wang, Hao(ZJWZ) – 1-0 – Dominguez Perez, Leinier – G346 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 e4 8. Ng1 d5 9. h3 O-O 10. Bd2 Qd8
FIDE World Cup 2019 – Round 4.5 – Le, Quang Liem – 0-1 – Aronian, Levon – G387 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. d3 d6 8. Be2 Ne8 9. O-O f5 10. Ne1 Nf6
FIDE World Cup 2025 – Round R1 Rapid 1 – Can Emre – 0-1 – Maksimovic Bojan – G171 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 O-O 6. Nge2 Nc6 7. O-O Nd7 8. Bc2 e5 9. d5 Nd4 10. Nxd4 exd4
GCT Blitz Paris 2019 – Round 11.2 – Duda, Jacob – 1-0 – Nepomniachtchi, Ian – G52 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 Ne4 8. Qd3 exd4 9. Nxd4 O-O 10. Be2 Qb4+
GCT Blitz YourNextMove 2018 – Round 16.1 – Vachier-Lagrave, Maxime – 1-0 – Karjakin, Sergey – G76 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. Be2 O-O 8. O-O e4 9. Nd4 Nxd4 10. Qxd4 c5
GCT Rapid Paris 2018 – Round 9.1 – Vachier-Lagrave, Maxime – 1-0 – Aronian, Levon – G41 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. Be2 d5 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5
Hoogovens 1996 – Round 3 – Van Wely, Loek – 0-1 – Piket, Jeroen – G11 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 a5 8. b3 O-O 9. Bb2 Re8 10. d3 d5
Linares 1983 – Round 1 – Seirawan, Yasser – 1/2-1/2 – Timman, Jan H – G3 1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. Nf3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 d5 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5
Masters 2000 – Round 12 – Van Wely, Loek – 1-0 – Rublevsky, Sergei – G42 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 d5 8. cxd5 Nxd5 9. Qb3 Nb6 10. d3 a5
Moscow FIDE Grand Prix 2019 – Round 1.2 – Mamedyarov, Shakhriyar – 1/2-1/2 – Wojtaszek, Radoslaw – G10 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 exd4 8. Nxd4 Nxd4 9. Qxd4 c5 10. Qh4 d5
Palma De Mallorca GP 2017 – Round 9.4 – Harikrishna, Pentala – 1/2-1/2 – Svidler, Peter – G76 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. Be2 d6 8. d3 Qe7 9. e4 Ne8 10. Ba3 b6
Saint Louis Blitz 2019 – Round 4.1 – Caruana, Fabiano – 1/2-1/2 – Aronian, Levon – G16 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 d5 8. b4 d4 9. Qc2 Bg4 10. b5 Nd8
Saint Louis Blitz 2021 – Round 15.2 – Xiong, Jeffery – 1/2-1/2 – So, Wesley – G68 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. Be2 d5 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5
Saint Louis Blitz 2023 – Round 14.1 – Caruana, Fabiano – 1-0 – Nepomniachtchi, Ian – G66 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 e4 7. Ng5 Qe7 8. f3 d6 9. Nxe4 Nxe4 10. Qxe4 Qxe4
Saint Louis Blitz 2024 - Round 11 - Nepomniachtchi Ian - 0-1 - Praggnanandhaa R - G51 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 a5 8. b4 d6 9. b5 Nb8 10. Bb2 O-O
Saint Louis Rapid 2023 – Round 5.3 – Caruana, Fabiano – 1/2-1/2 – Robson, Ray – G23 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. e4 d6 8. g3 a6 9. a4 Rb8 10. Bg2 Be6
Saint Louis Rapid 2024 - Round 4 - Nepomniachtchi Ian - 1/2-1/2 - So Wesley - G17 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 d5 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5
Smyslov Region Group Cup 2021 – Round 5.10 – Ponkratov, Pavel – 0-1 – Sarana, Alexey – G44 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d3 O-O 8. a3 d5 9. cxd5 Nxd5 10. Qc2 f5
SportAccord Rapid Men 2013 – Round 5.3 – Wang, Yue(SH) – 1/2-1/2 – Nepomniachtchi, Ian – G35 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d3 a5 8. Be2 O-O 9. O-O d5 10. cxd5 Nxd5
Superbet Classic 2021 – Round 3.5 – Lupulescu, Constantin – 1-0 – Giri, Anish – G13 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 Ne4 8. Qd3 exd4 9. Nxd4 Nc5 10. Qd1 Nxd4
Tata Steel India Blitz 2018 – Round 15.3 – So, Wesley – 1/2-1/2 – Aronian, Levon – G73 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 Ne4 8. Qd3 exd4 9. Nxd4 O-O 10. Be2 Qb4+
Tata Steel India Blitz 2018 – Round 18.5 – So, Wesley – 1/2-1/2 – Karjakin, Sergey – G90 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. b3 d5 8. d4 Ne4 9. Qb2 Be6 10. Be2 Qb4+
Tata Steel India Blitz 2018 – Round 5.5 – So, Wesley – 1-0 – Harikrishna, Pentala – G25 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. e4 d6 8. g3 Kh8 9. d3 Ng8 10. Nh4 Nge7
Tata Steel India Blitz 2022 – Round 12.5 – Maghsoodloo, Parham – 0-1 – Praggnanandhaa R – G57 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. Be2 d6 8. e4 Ne8 9. d4 h6 10. O-O f5
Tata Steel Masters 2024 - Round 11 - Ding, Liren - 1/2-1/2 - Van Foreest, Jorden 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 e4 7. Ng5 Qe7 8. f3 d6 9. Nxe4 Nxe4 10. Qxe4 Qxe4
Turin ol (Men) 37th 2006 – Round 6 – Lenic, Luka – 1-0 – Kizov, Atanas – G74 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d3 d5 8. cxd5 Nxd5 9. Qb3 Nb6 10. Bd2 O-O
Vugar Gashimov Mem 2018 – Round 7.3 – Carlsen, Magnus – 1-0 – Topalov, Veselin – G33 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 d6 7. e4 O-O 8. g3 Ne8 9. Nh4 Ne7 10. d3 f5
WCh 2023 – Round 4.1 – Ding, Liren – 1-0 – Nepomniachtchi, Ian – G4 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 d6 7. e4 O-O 8. Be2 Nh5 9. d4 Nf4 10. Bxf4 exf4
World Blitz 2018 – Round 11.24 – Kovalenko, Igor – 1/2-1/2 – Sarana, Alexey – G644 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. b3 d5 8. cxd5 Nxd5 9. Qb2 O-O 10. Bc4 Nb6
World Blitz 2018 – Round 15.36 – Van Foreest, Jorden – 1-0 – Jumabayev, Rinat – G895 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. d3 d6 8. g3 Bg4 9. Bg2 Qc8 10. h3 Bd7
World Blitz 2018 – Round 4.49 – Inarkiev, Ernesto – 1-0 – Zakhartsov, Vladimir – G243 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. Be2 O-O 8. d4 exd4 9. Nxd4 Ne4 10. Qd3 Qb4+
World Blitz 2018 – Round 7.10 – Kovalenko, Igor – 1/2-1/2 – Karjakin, Sergey – G393 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. b3 d5 8. cxd5 Nxd5 9. Qb2 O-O 10. Bc4 Nb6
World Blitz 2019 – Round 8.81 – Harsha Bharathakoti – 0-1 – Sasikiran, Krishnan – G584 1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. Nf3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. e4 d6 8. g3 a6 9. a4 Ne8 10. Nh4 Ne7
World Blitz 2021 – Round 15.31 – Ivic, Velimir – 1-0 – Niemann, Hans Moke – G885 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 e4 7. Ng5 d5 8. Rb1 Ne7 9. cxd5 Qxd5 10. Rb5 c5
World Blitz 2022 – Round 12.43 – Suleymanli, Aydin – 1-0 – Andriasian, Zaven – G644 1. c4 e5 2. Nc3 Nc6 3. Nf3 Bb4 4. Qc2 Nf6 5. e3 Bxc3 6. bxc3 O-O 7. e4 d6 8. Be2 Kh8 9. g3 Bh3 10. d3 h6
World Blitz 2023 – Round 13.18 – Korobov, Anton – 1/2-1/2 – Giri, Anish – G737 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 e4 8. Nd2 d5 9. b3 a5 10. Be2 h5
World Blitz 2023 – Round 16.42 – Yakubboev, Nodirbek – 1/2-1/2 – Gurel, Ediz – G929 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. e4 d6 8. g3 Be6 9. d3 h6 10. Nh4 Qd7
World Blitz 2023 – Round 20.50 – Garayev, Kanan – 0-1 – Aditya Tari – G1158 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. d3 d6 8. e4 h6 9. g3 Be6 10. Bg2 Nd7
World Rapid 2019 – Round 3.20 – Duda, Jacob – 1-0 – Sarana, Alexey – G164 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 exd4 8. Nxd4 Ne4 9. Qd3 O-O 10. Be2 Nxd4

A28j — Four Knights Romanishin Variation

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 Bxc3

Eval: [+0.12]

Les coups candidats

6.Qxc3 — 71.8% (1959 parties)

Ambassadeurs : Tsenkov, Ljubomir (19x), Hassim, Unes (18x), Lanzani, Paolo (15x), Lunek, Ferry A (14x), Thurlow, Kevin J (12x), Szerlak, Andrzej (12x), Bishop, William (11x), Kutlu, Hasan (11x)

6.bxc3 — 27.6% (754 parties)

Ambassadeurs : Jørgensen, Brian Jørgen (19x), Esin, Maxim (16x), Suba, Mihai (14x), Arancibia Guzmán, Eduardo (12x), Bishop, Nicholas (10x), Ellis, James R (9x), Löschnauer, Rüdiger (8x), Andersen, Jens Erik N. (7x)

6.dxc3 — 0.6% (16 parties)

Ambassadeurs : Koolsbergen, Nico (2x), Paroulek, Vit (1x), Sykora, Josef (1x), Powell, Lisa (1x), Richard, Andy (1x), Blahacek, Evzen (1x), Krstevska, Mare (1x), Djuric, Mirko (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Qxc3	6.bxc3	6.dxc3
<1800	32	69%	25%	6%
1800-2200	615	67%	33%	1%
2200-2600	1665	73%	27%	0%
2600+	171	70%	30%	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Qxc3	6.bxc3	6.dxc3
1880s	1	100%	—	—
1960s	3	33%	67%	—
1970s	48	90%	10%	—
1980s	154	91%	8%	1%
1990s	190	87%	12%	1%
2000s	354	82%	16%	2%
2010s	1260	63%	37%	0%
2020s	719	73%	27%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Qxc3	63%	73%	▲ +9.6%
6.bxc3	37%	27%	▼ -9.6%
6.dxc3	0%	0%	-0.0%

Joueurs célèbres

Champions du monde dans cette position

Ding, Liren — 5 parties
Smyslov, Vladimir — 4 parties
Karpov, Aleksandr — 1 partie
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Karpov, Anatoly — 1 partie
Hou, Yifan — 1 partie
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

6.Qxc3 — 71.8% (1959 parties)

1883 — McKenzie, George vs Rosenthal, Samuel — 1/2-1/2 — London ENG
1965 — Antoshin, Vladimir S vs Flohr, Salo — 1/2-1/2 — Sochi RUS
1974 — Polugaevsky, Lev vs Matanovic, Aleksandar — 1/2-1/2 — Belgrade-Moscow
1975 — Haas, Georges vs Kiffmeyer, Constanz — 1/2-1/2 — Ostende
1975 — Smyslov, Vladimir vs Gipslis, Aivars — 1/2-1/2 — Riga LAT

6.bxc3 — 27.6% (754 parties)

1965 — Poder, Walter vs Preo, Nicolas A — 0-1 — ?
1968 — Poder, William vs Preo, Nicolas A — 0-1 — CCOL5 fin 6568
1976 — Suba, Mihai vs Timoscenko, Gennadij — 0-1 — Polanica Zdroj POL
1977 — From, Sigfred vs Holst, Per — 1-0 — ?
1977 — From, Sigfred vs Skovgaard, Ib — 0-1 — Denmark ch corr

6.dxc3 — 0.6% (16 parties)

1982 — Paroulek, Vit vs Sykora, Josef — 1/2-1/2 — CZE-ch1 corr8284
1992 — Blahacek, Evzen vs Krstevska, Mare — 0-1 — corr ch-CSSR
1997 — Powell, Lisa vs Richard, Andy — 1-0 — IECC
2000 — Miller Roger vs Dijksman, Leo — 0-1 — IECC
2002 — Poestges Wolfgang vs Stoye, Siegfried — 0-1 — ?

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