D45 — Semi-Slav Defense: Accelerated Meran Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte e5, paire de fous.
Faiblesses adverses : arriéré b7, Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bd2 — Développer Bc1
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, avant-poste e4(C), paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriéré b7, 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

+0.26 léger avantage blanc. Base Masters : Blancs 28.4%, Nulles 50.1%, Noirs 21.5%.

Coups candidats

auto

Analyse coup par coup — 10 demi-coups commentés

1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
1…d5 Avancée centrale — contrôle c4, e4. Prépare c5, e5.
2.c4 Avancée centrale — contrôle b5, d5. Prépare d4, Nc3, e4.
2…c6 Contrôle b5, d5. Prépare d5.
3.Nc3 Contrôle e4, f4, c5, d5.
3…Nf6 Contrôle c4, e4, f5.
4.e3 Avancée centrale — contrôle d4, f4. Prépare d4, Bd3, Be2.
4…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
5.Nf3 Contrôle e4, f4, c5, d5.
5…a6 Coup prophylactique — empêche Nb5, Bb5. Prépare b5.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● b7
Chaînes	● f2→e3, e3→d4	● c6→d5, e6→d5, b7→a6, b7→c6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (3v0), ● e5 (2v0)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (3v0), ● e5 (2v0)	● d5 (4v2), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, 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	fermé
Ruptures	● c4-c5, ● e3-e4	● …c6-c5, ● …e6-e5

Partie
1. ACP World Rapid Cup 2007 – Round 2.1 – Shirov, Alexei – 0-1 – Gelfand, Boris – G23 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. e3 e6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Bd6 10. Qc2 h6
1971 Moscow – Round ? – Averbakh, Yuri L – 0-1 – Petrosian, Tigran V. – G47 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 a6 6. a3 Nbd7 7. b4 Bd6 8. c5 Bc7 9. Be2 O-O 10. Bb2 e5
2. FIDE GP 2008 – Round 2 – Aronian, Levon – 1-0 – Navara, David – G13 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 a6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Nbd7 9. O-O Qe7 10. Ne5 Nxe5
20. European Teams 2015 – Round 5.9 – Yilmaz, Mustafa – 1/2-1/2 – Bartel, Mateusz – G236 1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 a6 5. d4 e6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Nbd7 9. O-O Qe7 10. Qc2 e5
22. ECU Club Cup 2006 – Round 2 – Dambacher, Martijn – 0-1 – Khalifman, Alexander – G37 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 a6 6. b3 c5 7. cxd5 exd5 8. Be2 Nc6 9. O-O cxd4 10. Nxd4 Bd6
36. Olympiad 2004 – Round 13 – Hillarp Persson, Tiger – 0-1 – Sokolov , Ivan – G453 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Nf3 e6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Qe7 9. O-O Nbd7 10. Re1 dxc4
4. FIDE GP 2009 – Round 2 – Aronian, Levon – 1-0 – Akopian, Vladimir – G4 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 6. c5 Nbd7 7. b4 b6 8. Bb2 a5 9. a3 Be7 10. Bd3 O-O
40. Olympiad Open 2012 – Round 2.38 – Beliavsky, Alexander G – 1-0 – Cubas, Josese – G138 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 6. c5 b6 7. cxb6 Nbd7 8. Bd2 Nxb6 9. Bd3 c5 10. O-O Nbd7
40. Olympiad Open 2012 – Round 3.7 – Sargissian, Gabriel – 1/2-1/2 – Illescas Cordoba, Miguel – G216 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Bd6 10. Re1 h6
40. Olympiad Open 2012 – Round 4.26 – Parligras, Mircea-Emilian – 1/2-1/2 – Cubas, Josese – G251 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 a6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Nbd7 9. O-O Bd6 10. Re1 dxc4
42. Olympiad 2016 – Round 6.14 – Lenic, Luka – 1-0 – Iotov, Valentin – G403 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 a6 6. Qc2 c5 7. cxd5 exd5 8. Be2 cxd4 9. Nxd4 Bd6 10. O-O O-O
43. Olympiad 2018 – Round 6.5 – Tabatabaei Bafghi, Mohammad – 0-1 – Bu, Xiangzhi – G408 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 e6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Nbd7 9. O-O Bd6 10. e4 dxc4
5. Norway Chess 2017 – Round 4.2 – Aronian, Levon – 1-0 – Carlsen, Magnus – G17 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 a6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Qe7 10. Bc2 Rd8
73. Tata Steel GMA 2011 – Round 8 – Giri, Anish – 1-0 – Wang, Hao(ZJWZ) – G37 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Nf3 e6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Bd6 10. Re1 dxc4
75. Tata Steel GpA 2013 – Round 11.5 – Nakamura, Hikaru – 0-1 – Aronian, Levon – G55 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 6. c5 Nbd7 7. Na4 b5 8. cxb6 Nxb6 9. Bd2 Nxa4 10. Qxa4 Bd7
78. Tata Steel GpA 2016 – Round 3.3 – Mamedyarov, Shakhriyar – 0-1 – Eljanov, Pavel – G18 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Nf3 e6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Nbd7 9. Qc2 Qe7 10. Ne5 Nxe5
Alekhine Memorial 2013 – Round 1 – Ding, Liren – 1-0 – Aronian, Levon – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 e6 6. c5 Nbd7 7. b4 b6 8. Bb2 a5 9. a3 Be7 10. Bd3 O-O
Alekhine Memorial 2013 – Round 5 – Gelfand, Boris – 1/2-1/2 – Aronian, Levon – G21 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 a6 5. Nc3 e6 6. c5 Nbd7 7. Qc2 b6 8. cxb6 Nxb6 9. Bd2 c5 10. Rc1 cxd4
Amber-blindfold 15th 2006 – Round 4 – Van Wely, Loek – 0-1 – Topalov, Veselin – G5 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 e6 6. b3 c5 7. Bb2 cxd4 8. Nxd4 Nc6 9. cxd5 exd5 10. Be2 Bd6
Baku FIDE Grand Prix 2014 – Round 3.5 – Mamedyarov, Shakhriyar – 1/2-1/2 – Andreikin, Dmitry – G17 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. e3 e6 6. Qc2 Nbd7 7. a3 dxc4 8. Bxc4 b5 9. Ba2 c5 10. d5 exd5
Corus 2002 – Round 9 – Lautier, Joel – 1/2-1/2 – Gurevich, Mikhail – G58 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 a6 6. b3 c5 7. Bb2 cxd4 8. exd4 b6 9. Be2 Bb7 10. O-O Nbd7
Corus A 2006 – Round 9 – Gelfand, Boris – 1-0 – Sokolov, Ivan. – G51 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 a6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Bd6 10. Qc2 h6
EU-Cup 24th 2008 – Round 6 – Van Wely, Loek – 1/2-1/2 – Sasikiran, Krishnan – G78 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 a6 5. Nc3 e6 6. b3 c5 7. Bb2 cxd4 8. Nxd4 dxc4 9. Bxc4 Bd7 10. Be2 Nc6
FIDE Candidates 2014 – Round 4.1 – Mamedyarov, Shakhriyar – 1-0 – Andreikin, Dmitry – G13 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Nf3 e6 6. a3 Nbd7 7. Qc2 Qc7 8. e4 dxe4 9. Nxe4 c5 10. Nxf6+ Nxf6
FIDE GP 2008 – Round 2 – Kamsky, Gata – 1/2-1/2 – Navara, David – G9 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 a6 6. c5 b6 7. cxb6 Nbd7 8. Bd3 c5 9. b3 cxd4 10. exd4 Qxb6
FIDE World Blitz Championship 2025 – Round 19 – Haik M. Martirosyan – 0-1 – Maxim Matlakov – G369 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 e6 6. Bd3 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. Ne5 Nbd7 10. O-O Be7
FIDE World Cup 2025 – Round R2 Classical 2 – Alexey Sarana – 1-0 – Cristobal Henriquez Villagra – G319 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 a6 5. Nc3 e6 6. a3 Nbd7 7. Qc2 dxc4 8. Bxc4 b5 9. Ba2 c5 10. dxc5 Nxc5
GCT Blitz Paris 2017 – Round 12.1 – Topalov, Veselin – 0-1 – Carlsen, Magnus – G56 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. e3 a6 5. Nc3 e6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. Qc2 Qe7 10. Ne5 Nxe5
Karen Asrian Memorial 2008 – Round 9 – Aronian, Levon – 1-0 – Morozevich, Alexander – G21 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 e6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Nbd7 9. O-O Bd6 10. Rc1 e5
Moscow Superblitz 2006 – Round 10 – Shipov, Sergei – 1/2-1/2 – Dreev, Aleksey – G19 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 a6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Qe7 10. Ne2 Bxd2
Moscow Superblitz 2006 – Round 17 – Grachev, Boris – 0-1 – Kobalia, Mikhail – G49 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 a6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Nbd7 9. O-O Bd6 10. e4 dxc4
Mtel Masters 2006 – Round 3 – Ponomariov, Ruslan – 1/2-1/2 – Topalov, Veselin – G7 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 a6 6. c5 b6 7. cxb6 Nbd7 8. Na4 Nxb6 9. Bd2 Nxa4 10. Qxa4 Bd7
Piterenka Rapid 2012 – Round 1 – Grischuk, Alexander – 1-0 – Jakovenko, Dmitry – G1 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 6. b3 Bb4 7. Bd2 Nbd7 8. g3 O-O 9. Bg2 b6 10. O-O a5
RUS Ch Superfinal 2005 – Round 10 – Kramnik, Vladimir – 1/2-1/2 – Dreev, Aleksey – G54 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 a6 6. c5 b6 7. cxb6 Nbd7 8. Bd3 c5 9. O-O Qxb6 10. b3 cxd4
Saint Louis Blitz 2024 - Round 3 - Nepomniachtchi Ian - 0-1 - Nakamura Hikaru - G14 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 a6 5. d4 e6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Qe7 10. h3 h6
Saint Louis Blitz 2024 - Round 8 - Nepomniachtchi Ian - 1/2-1/2 - Dominguez Perez Leinier - G40 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 a6 5. d4 e6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Bd6 10. Qc2 e5
Saint Louis Rapid 2024 - Round 6 - Nepomniachtchi Ian - 1/2-1/2 - Nakamura Hikaru - G28 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 a6 5. d4 e6 6. b3 Nbd7 7. Bd3 Bb4 8. Bd2 Qe7 9. O-O O-O 10. Re1 e5
Superbet Rapid & Blitz Poland 2025 – Round 9 – Aronian Levon – 1/2-1/2 – Gavrilescu David – G45 1. c4 e6 2. Nc3 d5 3. d4 c6 4. e3 Nf6 5. Nf3 a6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Bd6 10. Rc1 h6
Tashkent FIDE GP 2014 – Round 1.2 – Mamedyarov, Shakhriyar – 0-1 – Andreikin, Dmitry – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 e6 6. Qc2 Nbd7 7. b3 Bd6 8. Bb2 O-O 9. Be2 e5 10. cxd5 cxd5
Tashkent FIDE GP 2014 – Round 10.4 – Gelfand, Boris – 1/2-1/2 – Andreikin, Dmitry – G56 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 a6 5. Nc3 e6 6. c5 b6 7. cxb6 Qxb6 8. Na4 Qc7 9. Bd2 a5 10. Rc1 Bd6
TCh-RUS 2005 – Round 2 – Dreev, Aleksey – 1/2-1/2 – Riazantsev, Alexander – G28 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 a6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Qe7 10. Qc2 e5
TCh-RUS 2008 – Round 2 – Avrukh, Boris – 1/2-1/2 – Tkachiev, Vladislav – G38 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 6. b3 c5 7. Bb2 cxd4 8. Nxd4 dxc4 9. Bxc4 Bd6 10. O-O O-O
TCh-RUS 2008 – Round 8 – Avrukh, Boris – 1/2-1/2 – Wang, Hao(ZJWZ) – G204 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 e6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Bd6 10. Qc2 e5
Turin ol (Men) 37th 2006 – Round 11 – Sokolov, Ivan. – 1/2-1/2 – Paragua, Mark – G138 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 6. c5 Nbd7 7. b4 Qc7 8. Bb2 g6 9. Bd3 Bg7 10. Na4 O-O
Turin ol (Men) 37th 2006 – Round 8 – Bacrot, Etienne – 1-0 – Sokolov, Ivan. – G96 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 6. c5 b6 7. cxb6 Qxb6 8. Na4 Qa7 9. Bd3 a5 10. O-O Ba6
World Blitz 2006 – Round 12 – Radjabov, Teimour – 1-0 – Erenburg, Sergey – G76 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 Bd6 9. O-O O-O 10. Qc2 h6
World Blitz 2009 – Round 2 – Aronian, Levon – 1-0 – Jakovenko, Dmitry – G12 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 e6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Bd6 10. Rc1 h6
World Blitz 2019 – Round 21.44 – Alekseev, Evgeny – 1/2-1/2 – Kobalia, Mikhail – G1427 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 a6 5. d4 e6 6. b3 Bb4 7. Bd2 Nbd7 8. Bd3 O-O 9. O-O Bd6 10. Qc2 b6
World Blitz 2023 – Round 16.5 – Nesterov, Arseniy – 0-1 – Caruana, Fabiano – G936 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 a6 6. Qc2 c5 7. cxd5 exd5 8. Be2 Nc6 9. O-O cxd4 10. Nxd4 Nxd4
World Blitz 2023 – Round 9.34 – Grebnev, Aleksey – 1/2-1/2 – Kobalia, Mikhail – G531 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. d4 a6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Nbd7 9. O-O Qe7 10. Qe1 dxc4
World Rapid 2016 – Round 4.1 – Flores, Diegoego – 0-1 – Carlsen, Magnus – G125 1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. Nc3 e6 5. e3 a6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Nbd7 9. O-O Bd6 10. Rc1 h6
XXIII SuperGM 2006 – Round 6 – Radjabov, Teimour – 1-0 – Bacrot, Etienne – G21 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Nf3 e6 6. b3 Bb4 7. Bd2 O-O 8. Bd3 Nbd7 9. O-O Bd6 10. Qc2 Re8

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