A13n — English: Wimpey System

1.c4 e6 2.Nf3 d5 3.b3 Nf6 4.Bb2 c5 5.e3 ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Atouts. Les Blancs s'appuient sur la case forte e5, un fou actif en b2 et la paire de fous.

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 f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nc3 (Développer Nb1) ; Bd3 (Développer Bf1) ; h3 (Empêcher ...Bg4) ; d3 (Protéger e4, libérer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Atouts. Les Noirs s'appuient sur la case forte e4, un avant-poste en e4 et la paire de fous.

Côté adverse. Le fou enfermé en f1 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. 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	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, d2→e3, f2→e3, b3→c4	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 2)
Bb2	● Bb2 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (b1, f1, 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, ● e3-e4	● …d5-d4, ● …e6-e5

Partie
11. London Classic 2019 – Round 2.4 – Vachier-Lagrave, Maxime – 1/2-1/2 – Ding, Liren – G25 1. c4 Nf6 2. Nf3 e6 3. e3 d5 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Bc7
1922 NED Team Ch 2122 – Round 4.1 – Fontein, George – 1/2-1/2 – Olland, Adolf George – G9 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Be2 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Qe7
1925 DSB-24. Kongress Hauptturnier A – Round 11.3 – Schmitt, Ludwig – 1-0 – Von Holzhausen, Walther – G22 1. c4 e6 2. Nf3 Nf6 3. b3 d5 4. Bb2 c5 5. e3 Nc6 6. d4 cxd4 7. exd4 Bb4+ 8. Nbd2 Ne4 9. a3 Bxd2+ 10. Nxd2 f5
1928 The Hague ol (Men) – Round 5 – Michel, Walter – 1-0 – Frydman, Paulino – G34 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Be7 8. O-O O-O 9. d4 Qb6 10. Bxc6 bxc6
1935 Warsaw ol – Round ? – Michel, Walter – 1/2-1/2 – Stoltz, Gösta – G74 1. Nf3 d5 2. c4 e6 3. e3 c5 4. b3 Nc6 5. Bb2 Nf6 6. cxd5 exd5 7. Bb5 Qb6 8. Bxc6+ Qxc6 9. O-O Be7 10. d4 b6
1936 Podebrady – Round ? – Fazekas, Stephan – 1/2-1/2 – Treybal, Karel – G61 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. d4 Be7 7. Bd3 O-O 8. O-O b6 9. Nbd2 Bb7 10. Rc1 a5
1936 Podebrady – Round 5 – Flohr, Salo – 1-0 – Treybal, Karel – G37 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. d3 Be7 8. Be2 O-O 9. O-O b6 10. d4 Ne4
1937 Tbilisi ch-URS – Round 1 – Lisitsin, Georgy – 1/2-1/2 – Konstantinopolsky, Alexander – G131 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Be2 Bd6 8. Nc3 O-O 9. Rc1 Bg4 10. O-O Rc8
1939 Ventnor City – Round 1 – Ulvestad, Olaf – 1/2-1/2 – Reinfeld, Fred – G6 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 c5 5. e3 Nc6 6. d4 cxd4 7. exd4 dxc4 8. Bxc4 Bb4+ 9. Ke2 Nd5 10. Qc1 O-O
1941 Mar del Plata – Round 10 – Najdorf, Miguel – 1-0 – Graf, Sascha – G80 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bg4 8. h3 Bxf3 9. Qxf3 Be7 10. O-O O-O
1943 Prague – Round 12 – Sajtar, Jaroslav – 0-1 – Alekhine, Alexander – G103 1. Nf3 Nf6 2. c4 e6 3. b3 c5 4. Bb2 Nc6 5. e3 d5 6. d4 cxd4 7. Nxd4 Bb4+ 8. Bc3 Bxc3+ 9. Nxc3 e5 10. Nxc6 bxc6
1945 Moscow Ch – Round 9 – Aramanovich, I – 0-1 – Konstantinopolsky, Alexander – G50 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. Nc3 d4 7. exd4 cxd4 8. Nb5 Bc5 9. b4 Bxb4 10. Nbxd4 Nxd4
1945 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Kotov Lundqvist, Alex – G131 1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. Bb2 c5 5. e3 Nc6 6. d4 cxd4 7. exd4 Bb4+ 8. Nbd2 dxc4 9. Bxc4 a6 10. O-O b5
1945 Novi Sad – Round 1 – Pirc, Vasja – 1-0 – Tomovic, Vasilje – G38 1. Nf3 c5 2. e3 Nf6 3. c4 e6 4. b3 d5 5. Bb2 Nc6 6. cxd5 Nxd5 7. Nc3 Nc7 8. Nb5 Nd5 9. Ne5 Nxe5 10. Bxe5 a6
1945 Pan American – Round 1 – Cruz, Walter – 0-1 – Broderman, Jose – G3 1. c4 Nf6 2. Nf3 e6 3. b3 c5 4. Bb2 Nc6 5. e3 d5 6. d4 cxd4 7. Nxd4 Bb4+ 8. Bc3 Qa5 9. Bxb4 Qxb4+ 10. Qd2 Nxd4
1947 Moscow – Round 1 – Konstantinopolsky, Alexander – 1-0 – er-Abramov, Lev – G28 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. Be2 d4 7. exd4 cxd4 8. d3 e5 9. O-O Be7 10. a3 a5
1948 Bad Gastein – Round 9 – Polzer, Hans – 0-1 – Lundin, Erik – G69 1. Nf3 d5 2. c4 e6 3. b3 c5 4. Bb2 Nc6 5. e3 Nf6 6. Be2 d4 7. exd4 cxd4 8. d3 e5 9. Nbd2 h6 10. a3 a5
1951 URS Ch sf – Round 9 – Flohr, Salo – 1-0 – Gusev, Aleksandr – G23 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 c5 5. e3 Nc6 6. cxd5 Nxd5 7. Be2 f6 8. O-O Be7 9. d4 O-O 10. Nc3 Ncb4
1952 Tatranska ch CZE – Round 4 – Filip, Miroslav – 1-0 – Kozma, Julius – G11 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 c5 5. e3 Nc6 6. cxd5 exd5 7. Bb5 Bg4 8. h3 Bxf3 9. Qxf3 Be7 10. Bxc6+ bxc6
1952 URS ch sf – Round 7 – Tolush, Alexander V – 1/2-1/2 – Nikitin, Aleksander S – G40 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. Nc3 dxc4 7. bxc4 e5 8. Nd5 Bd6 9. Qc2 Be6 10. Nxf6+ Qxf6
1953 Wch U20 qual-B – Round 3 – Petri, Ben-Luca – 0-1 – Sherwin, James T – G4 1. c4 Nf6 2. b3 c5 3. Bb2 e6 4. e3 d5 5. Nf3 Nc6 6. Nc3 d4 7. exd4 Nxd4 8. Nxd4 Qxd4 9. Be2 Qd8 10. Bf3 Be7
1954 Stockholm – Round 1 – Bronstein, David I – 0-1 – Lundin, Erik – G9 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. b3 c5 5. Bb2 Bd6 6. cxd5 exd5 7. d4 cxd4 8. Nxd4 O-O 9. Be2 Bb4+ 10. Bc3 Be7
1955 CSR Ch – Round 3 – Zíta, František – 0-1 – Sefc, Jan – G17 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Be7 6. cxd5 exd5 7. Bb5+ Bd7 8. Bxd7+ Nbxd7 9. O-O O-O 10. Nc3 Qb6
1955 Moskou ch-URS – Round 1 – Simagin, Vladimir – 0-1 – Spassky, Boris V. – G14 1. c4 Nf6 2. Nf3 e6 3. b3 d5 4. Bb2 c5 5. e3 Nc6 6. a3 Be7 7. cxd5 exd5 8. d4 cxd4 9. Nxd4 O-O 10. Be2 Bd6
1959 HUN Ch 15th – Round 4 – Forintos, Gyozo V – 1/2-1/2 – Kluger, Gyula – G11 1. Nf3 Nf6 2. b3 d5 3. Bb2 c5 4. e3 e6 5. c4 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. Be5 O-O 9. Bxd6 Qxd6 10. O-O Bg4
1960 Olympiad prel III – Round 1 – Golombek, Harry – 1/2-1/2 – Lundin, Erik – G1 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Bd6 6. Be2 O-O 7. O-O Nc6 8. cxd5 exd5 9. d4 Be6 10. Nc3 b6
1962 1. Division -1963 – Round 1.2 – Andersen, Borge – 1-0 – Henriksen, Palle V. – G2 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. d4 Bg4 8. dxc5 Bxc5 9. Be2 O-O 10. O-O Qe7
1963 Buenos Aires ch-ARG – Round 1 – Pugach, Mario – 1/2-1/2 – Luckis, Marcos – G3 1. c4 Nf6 2. Nf3 e6 3. e3 d5 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Be2 Be7 8. O-O O-O 9. d4 Be6 10. Nc3 Ne4
1963 Leningrad – Round ? – Zilberstein, Valery I – 0-1 – Ravinsky, Grigory – G6 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Be2 d4 8. exd4 cxd4 9. Bb5 Bc5 10. Qe2+ Be6
1965 OWL Masters – Round 2 – Werner, Stephan – 0-1 – Lachmann, Hans G – G5 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bg4 8. h3 Bh5 9. g4 Bg6 10. Ne5 Rc8
1967 OWL Ch – Round 10 – Werner, Stephan – 1-0 – Geisler, Reinhard – G22 1. Nf3 d5 2. c4 e6 3. e3 c5 4. b3 Nf6 5. Bb2 Be7 6. Be2 O-O 7. O-O Nc6 8. d4 b6 9. Nc3 Bb7 10. Rc1 Rc8
2024 Superbet Chess Rapid – Round 3 – Keymer Vincent – 0-1 – Shevchenko Kirill – G14 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Be2 d4 8. exd4 cxd4 9. Bb5 Bc5 10. Qe2+ Be6
34. ECC Open 2018 – Round 7.4 – Andreikin, Dmitry – 1/2-1/2 – Roiz, Michael – G224 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 c5 5. e3 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. d4 cxd4 9. Nxd4 O-O 10. Nc3 Bg4
42. Olympiad 2016 – Round 5.9 – Bologan, Victor – 1/2-1/2 – Wojtaszek, Radoslaw – G385 1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. Bb2 c5 5. e3 Nc6 6. cxd5 exd5 7. Be2 a6 8. O-O d4 9. exd4 cxd4 10. Re1 Be7
79. Tata Steel GpA 2017 – Round 10.5 – Eljanov, Pavel – 1/2-1/2 – Wei, Yi – G68 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Bc7
Biel Interzonal 1976 – Round 9 – Csom, Istvan – 1/2-1/2 – Geller, Efim P – G39 1. c4 Nf6 2. Nf3 e6 3. b3 c5 4. Bb2 Nc6 5. e3 d5 6. cxd5 exd5 7. Be2 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Qe7
Brussels blitz 1987 – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Larsen, Bent – G89 1. Nf3 c5 2. c4 Nc6 3. b3 Nf6 4. Bb2 e6 5. e3 d5 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Bd7
Champions Showdown Blitz 2016 – Round 2.1 – Caruana, Fabiano – 0-1 – Nakamura, Hikaru – G3 1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. Bb2 c5 5. e3 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Qe7
Cote d'Ivoire Blitz 2019 – Round 4.5 – Nakamura, Hikaru – 1-0 – Ding, Liren – G20 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Be2 d4 8. Bb5 Bd6 9. O-O O-O 10. Bxc6 bxc6
FIDE World Cup 2017 – Round 1.4 – Sambuev, Bator – 1/2-1/2 – Wei, Yi – G168 1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. d4 cxd4 8. Nxd4 Bb4+ 9. Bc3 Qb6 10. Bb5 O-O
GCT Blitz Paris 2017 – Round 12.5 – So, Wesley – 1-0 – Nakamura, Hikaru – G60 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 Bg4 10. dxc5 Bxc5
GCT Blitz YourNextMove 2016 – Round 12.5 – So, Wesley – 1/2-1/2 – Giri, Anish – G60 1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. c4 c5 5. e3 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Qb6
GCT Blitz YourNextMove 2016 – Round 4.4 – Topalov, Veselin – 1/2-1/2 – Kramnik, Vladimir – G19 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 c5 5. e3 Nc6 6. cxd5 exd5 7. Be2 d4 8. Bb5 Bd6 9. exd4 O-O 10. Bxc6 bxc6
GCT Blitz YourNextMove 2017 – Round 2.3 – So, Wesley – 1-0 – Anand, Viswanathan – G8 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Qb6
Hastings8899 1988 – Round 1 – Larsen, Bent – 1/2-1/2 – Korchnoi, Viktor – G33 1. Nf3 Nf6 2. c4 e6 3. b3 c5 4. Bb2 Nc6 5. e3 d5 6. cxd5 exd5 7. Bb5 Bd6 8. Bxf6 Qxf6 9. Nc3 Be6 10. Rc1 Rc8
Hastings8899 1988 – Round 1 – Smyslov, Vassily – 1/2-1/2 – Korchnoi, Viktor – G26 1. Nf3 c5 2. c4 Nf6 3. b3 e6 4. Bb2 d5 5. e3 a6 6. Be2 Nc6 7. cxd5 exd5 8. d4 cxd4 9. Nxd4 Bb4+ 10. Bc3 Bd6
Moscow-4teams 1981 – Round 1 – Makarichev, Sergey – 1/2-1/2 – Geller, Efim P – G2 1. c4 e6 2. Nf3 Nf6 3. b3 d5 4. Bb2 c5 5. e3 Nc6 6. cxd5 exd5 7. Be2 Bd6 8. d4 cxd4 9. Nxd4 Bb4+ 10. Bc3 Qa5
Moskou ch-URS 1973 – Round 14 – Petrosian, Tigran V – 1-0 – Beliavsky, Alexander G – G82 1. c4 c5 2. b3 Nc6 3. Bb2 Nf6 4. e3 e6 5. Nf3 d5 6. cxd5 exd5 7. Be2 a6 8. d4 cxd4 9. Nxd4 Bb4+ 10. Bc3 Bd6
Riga FIDE Grand Prix 2019 – Round 2.8 – Karjakin, Sergey – 1/2-1/2 – So, Wesley – G56 1. b3 d5 2. Bb2 Nf6 3. Nf3 e6 4. e3 c5 5. c4 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. h3 Re8 10. d4 cxd4
Saint Louis Blitz 2018 – Round 12.5 – Mamedyarov, Shakhriyar – 1-0 – Aronian, Levon – G60 1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Nc3 Bd6 8. Rc1 O-O 9. Na4 b6 10. d4 Ne4
Saint Louis Blitz 2022 – Round 12.3 – Nakamura, Hikaru – 0-1 – Firouzja, Alireza – G58 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Bc7
Sarajevo 1972 – Round 1 – Petrosian, Tigran V – 1-0 – Hort, Vlastimil – G2 1. Nf3 d5 2. b3 c5 3. e3 Nf6 4. Bb2 e6 5. c4 Nc6 6. cxd5 exd5 7. Be2 Be7 8. O-O O-O 9. d4 Bg4 10. dxc5 Bxc5
Sarajevo 1972 – Round 7 – Petrosian, Tigran V. – 1-0 – Hort, Vlastimil – G15 1. Nf3 c5 2. b3 d5 3. e3 Nf6 4. Bb2 e6 5. c4 Nc6 6. cxd5 exd5 7. Be2 Be7 8. O-O O-O 9. d4 Bg4 10. dxc5 Bxc5
Superbet Blitz 2023 – Round 2.5 – Deac, Bogdan-Daniel – 0-1 – Wojtaszek, Radoslaw – G10 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. h3 Bf5 10. Nc3 Rc8
URS Team Ch Moscow 1972 – Round 1 – Tal, Mikhail – 1-0 – Kapengut, Albert – G12 1. Nf3 c5 2. b3 d5 3. e3 Nf6 4. Bb2 e6 5. c4 dxc4 6. bxc4 Be7 7. Nc3 O-O 8. Qc2 Nc6 9. a3 b6 10. Be2 Bb7
World Blitz 2009 – Round 11 – Svidler, Peter – 1-0 – Jakovenko, Dmitry – G104 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. d4 Qa5+ 9. Nc3 Ne4 10. Rc1 O-O
World Blitz 2015 – Round 11.44 – Grandelius, Nils – 0-1 – Navara, David – G693 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. Nc3 Bg4 10. Be2 a6
World Blitz 2018 – Round 10.49 – Huzman, Alexander – 1/2-1/2 – Van Foreest, Jorden – G608 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 d4 8. O-O Bd6 9. exd4 O-O 10. dxc5 Bxc5
World Blitz 2018 – Round 19.21 – Kovalenko, Igor – 1/2-1/2 – Cheparinov, Ivan – G1112 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. h3 a6 10. Bxc6 bxc6
World Blitz 2018 – Round 2.45 – Dubov, Daniil – 1-0 – Fridman, Daniel – G109 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Be2 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Qe7
World Blitz 2018 – Round 21.5 – Dubov, Daniil – 1/2-1/2 – Aronian, Levon – G1248 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Be2 d4 8. exd4 cxd4 9. Bb5 Qe7+ 10. Qe2 Qxe2+
World Blitz 2019 – Round 5.40 – Tengis, Tsog-Ochir – 1-0 – Pashikian, Arman – G339 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Bc7
World Blitz 2021 – Round 1.47 – Klekowski, Maciej – 1/2-1/2 – Kravtsiv, Martyn – G38 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Qb6 8. Nc3 Be7 9. O-O O-O 10. Bxc6 Qxc6
World Blitz 2021 – Round 15.10 – Duda, Jacob – 1-0 – Karjakin, Sergey – G863 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. Bxc6+ bxc6 9. d3 O-O 10. Nbd2 Bg4
World Blitz 2021 – Round 3.17 – Klekowski, Maciej – 0-1 – Giri, Anish – G143 1. c4 Nf6 2. Nf3 e6 3. b3 d5 4. Bb2 c5 5. e3 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Qb6
World Blitz 2021 – Round 3.9 – Puranik, Abhimanyu – 1-0 – Fridman, Daniel – G195 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Bxc6 bxc6
World Rapid 2019 – Round 7.13 – Bocharov, Dmitry – 1/2-1/2 – Aronian, Levon – G435 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Be2 d4 8. Bb5 Bd6 9. O-O O-O 10. h3 Nd5

A13n — Wimpey System

1.c4 e6 2.Nf3 d5 3.b3 Nf6 4.Bb2 c5 5.e3

Eval: [-0.03]

Les coups candidats

5…Nc6 — 80.9% (1906 parties) →

Ambassadeurs : Csom, Istvan (9x), Taimanov, Mark (7x), Klekowski, Maciej (7x), Nakamura, Hikaru (7x), Bendig, Frank (6x), Nanu, Costica-Ciprian (6x), Keymer, Vincent (6x), Szpar, Milosz (6x)

5…Be7 — 11.5% (271 parties)

Ambassadeurs : Taimanov, Mark (4x), Plaskett, H James (3x), Bachmayr, Peter (2x), Tolonen, Leo (2x), Lautier, Joel (2x), Cruz, Jonathan (2x), Zhao, Xue (2x), Mujunen, Martti (2x)

5…dxc4 — 2.6% (62 parties)

Ambassadeurs : Taimanov, Mark (3x), Gheorghiu, Florin (2x), Keene, Raymond D (2x), Secula, Victor (1x), Martius, Ottokar (1x), Panno, Oscar (1x), Hort, Vlastimil (1x), Smyslov, Vladimir (1x)

5…Bd6 — 1.7% (40 parties)

Ambassadeurs : Lundin, Erik (3x), Wall, Bill (2x), Brooks, Bob (2x), Golombek, Harry (1x), Bronstein, David I (1x), de Wall, Robert (1x), Brooks, Robert (1x), Zahilas, Loukas N. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Nc6	5…Be7	5…dxc4	5…Bd6
<1800	66	64%	21%	5%	2%
1800-2200	741	79%	14%	1%	2%
2200-2600	1147	86%	8%	3%	1%
2600+	86	94%	2%	2%	—

Évolution par décennie (% des parties)

Décennie	N parties	5…Nc6	5…Be7	5…dxc4	5…Bd6
1920s	4	100%	—	—	—
1930s	8	100%	—	—	—
1940s	10	100%	—	—	—
1950s	16	81%	6%	6%	6%
1960s	11	82%	9%	—	9%
1970s	57	58%	18%	14%	9%
1980s	91	63%	25%	5%	1%
1990s	269	69%	20%	6%	1%
2000s	416	76%	14%	3%	3%
2010s	822	83%	11%	1%	1%
2020s	652	90%	6%	1%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Nc6	83%	90%	▲ +6.2%
5…Be7	11%	6%	▼ -4.9%
5…dxc4	1%	1%	+0.0%
5…Bd6	1%	1%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 4 parties
Smyslov, Vladimir — 3 parties
Kramnik, Vladimir — 3 parties
Ding, Liren — 3 parties
Ju, Wenjun — 3 parties
Anand, Viswanathan — 2 parties
Botvinnik, Mikhail — 1 partie

Parties historiques

5…Nc6 — 80.9% (1906 parties)

1922 — Fontein, George vs Olland, Adolf George — 1/2-1/2 — NED
1925 — Schmitt, Ludwig vs Von Holzhausen, Walther — 1-0 — Breslau GER
1925 — Romanovsky, Pjotr vs Travin, Lev Yakolevich — 1-0 — Leningrad RUS
1928 — Michel, Walter vs Frydman, Paulino — 1-0 — The Hague NED
1931 — Lisitsin, Georgy vs Verlinsky, Boris — 1-0 — USSR

5…Be7 — 11.5% (271 parties)

1955 — Zíta, František vs Sefc, Jan — 0-1 — Prague CZE
1967 — Werner, Stephan vs Geisler, Reinhard — 1-0 — Brakel
1972 — Forintos, Gyozo V vs Espig, Lutz — 1/2-1/2 — Toth mem Kecskemet HUN
1974 — Csom, Istvan vs Donner, Jan-Hein — 1/2-1/2 — Nice olm fin-A
1975 — Beyersdorf, F vs Cardoso, Ruth — 0-1 — Las Vegas, NV USA

5…dxc4 — 2.6% (62 parties)

1957 — Secula, Victor vs Martius, Ottokar — 1/2-1/2 — Hamburg GER
1972 — Smyslov, Vladimir vs Huguet, Bernard — 1-0 — Las Palmas ESP
1972 — Tal, Mikhail vs Kapengut, Albert — 1-0 — Moscow RUS
1972 — Keene, Raymond D vs Tatai, Stefano — 1/2-1/2 — Caorle zt Caorle ITA
1973 — Panno, Oscar vs Gheorghiu, Florin — 1/2-1/2 — Petropolis izt

5…Bd6 — 1.7% (40 parties)

1954 — Bronstein, David I vs Lundin, Erik — 0-1 — Stockholm SWE
1960 — Golombek, Harry vs Lundin, Erik — 1/2-1/2 — Leipzig GER
1973 — de Wall, Robert vs Brooks, Robert — 1-0 — U Tapao, Thailand
1973 — Wall, Bill vs Brooks, Bob — 1-0 — ?
1973 — Wall, Bill vs Brooks, Bob — 1-0 — ?

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