C78j — Spanish: 5.O-O b5 6.Bb3 Bc5 7.c3 d6

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.c3 d6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte d5.

Atouts. Les Blancs s'appuient sur la case forte d5, un fou actif en b3 et la paire de fous.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; Bc2 (Anticiper ...Na5).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte c5.

Atouts. Les Noirs s'appuient sur la case forte g4, un avant-poste en c5, un fou actif en c5 et la paire de fous.

Côté adverse. Le fou enfermé en c1 et une pièce en prise (le pion en e4).

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) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...Na5 (Attaquer Bb3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, d2→c3	● a6→b5, d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1)	● g4 (2v0)
Cases faibles	—	—
Centre	● d5 (2v1)	● d4 (3v2), ● e4 (1v0), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb3	● Bb3 Actif (mob. 6)
Bc5		● Bc5 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 6)
Paire de fous	● Oui	● Oui
Clouages	● pawn f2	—
Non développées	3 (● b1, ● c1, ● a1)	3 (● c8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre !
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c3-c4, ● d2-d3	● …d6-d5

Partie
19. European Teams 2013 – Round 5.7 – Movsesian, Sergei – 1/2-1/2 – Lenic, Luka – G197 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Bg4 9. d3 h6 10. Nbd2 O-O
2. Sinquefield Cup 2014 – Round 3.3 – Topalov, Veselin – 1-0 – Nakamura, Hikaru – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. h3 O-O 10. d4 Bb6
2024 Superbet Chess Classic - Round 1 - Abdusattorov Nodirbek - 1/2-1/2 - Praggnanandhaa R - G2 1. e4 1... e5 2. Nf3 2... Nc6 3. Bb5 3... a6 4. Ba4 4... Nf6 5. O-O 5... Bc5 6. c3 6... b5 7. Bb3 7... d6 8. a4 8... b4 9. d4 9... Ba7 10. dxe5 10... Nxe5
2024 SuperUnited Rapid & Blitz Croatia – Round 23 – Gukesh D – 1/2-1/2 – Saric Ivan – G111 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. c4 c6 6. b3 Ne4 7. d4 O-O 8. Bb2 a5 9. Nc3 Bf5 10. e3 Nxc3
3. Norway Chess 2015 – Round 4.2 – Giri, Anish – 1/2-1/2 – Nakamura, Hikaru – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. Na3 O-O
36. Olympiad 2004 – Round 8 – Agrest, Evgenij – 1/2-1/2 – Godena, Michele – G287 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Bb7 9. d4 Bb6 10. Bg5 h6
41. Olympiad Open 2014 – Round 7.10 – Nakamura, Hikaru – 1-0 – Kasimdzhanov, Rustam – G469 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. Na3 O-O
42. Olympiad 2016 – Round 11.6 – Vera Siguenas, Deivy – 1/2-1/2 – Maroroa Jones, Gawain C B – G809 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Bb7 9. d3 h6 10. axb5 axb5
7. London Classic 2015 – Round 9.1 – Adams, Michael – 1/2-1/2 – Caruana, Fabiano – G41 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bg4 9. d3 O-O 10. Nbd2 Na5
7. Norway Armageddon 2019 – Round 3.5 – Vachier-Lagrave, Maxime – 1/2-1/2 – Anand, Viswanathan – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bb7 9. d3 h6 10. Re1 O-O
7. Norway Chess 2019 – Round 5.2 – So, Wesley – 1/2-1/2 – Anand, Viswanathan – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bb7 9. d3 h6 10. Re1 O-O
7. Sinquefield Cup 2019 – Round 3.6 – Nepomniachtchi, Ian – 1/2-1/2 – Mamedyarov, Shakhriyar – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bb7 9. d4 Bb6 10. Bg5 h6
73. Tata Steel GMA 2011 – Round 3 – Nakamura, Hikaru – 1-0 – Shirov, Alexei – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. axb5 axb5
75. Tata Steel GpA 2013 – Round 3.7 – Leko, Peter – 1/2-1/2 – Nakamura, Hikaru – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. Na3 O-O
82. Tata Steel GpA 2020 – Round 11.4 – Kovalev, Vladislav – 0-1 – Caruana, Fabiano – G67 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. axb5 axb5
Amber Rapidplay 2002 – Round 1 – Almasi, Zoltan – 1/2-1/2 – Morozevich, Alexander – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bg4 9. h3 Bxf3 10. Qxf3 O-O
Amber-rapid 5th 1996 – Round 4 – Xie, Jun – 1/2-1/2 – Shirov, Alexei – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. h3 Bb7 9. Re1 O-O 10. d4 Bb6
American Cup Champ 2023 – Round 1.1 – So, Wesley – 1/2-1/2 – Shankland, Sam – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Ba7 9. d3 b4 10. a5 Rb8
CCT Final KO 2023 – Round 1.13 – Carlsen, Magnus – 0-1 – Caruana, Fabiano – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bg4 9. d3 O-O 10. Nbd2 Bb6
Corus 2001 – Round 3 – Kasparov, Garry – 1/2-1/2 – Anand, Viswanathan – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bg4 9. h3 Bxf3 10. Qxf3 O-O
Corus A 2009 – Round 3 – Kamsky, Gata – 1-0 – Morozevich, Alexander – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. axb5 axb5 10. d3 O-O
Corus A 2010 – Round 1 – Karjakin, Sergey – 1/2-1/2 – Anand, Viswanathan – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. axb5 axb5
Corus A 2010 – Round 12 – Karjakin, Sergey – 1/2-1/2 – Shirov, Alexei – G78 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. Na3 O-O
Corus A 2010 – Round 6 – Leko, Peter – 1-0 – Caruana, Fabiano – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. Na3 O-O
Croatia GCT 2019 – Round 6.4 – Vachier-Lagrave, Maxime – 0-1 – Caruana, Fabiano – G34 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bb7 9. d3 h6 10. axb5 axb5
FIDE GP 2008 – Round 3 – Karjakin, Sergey – 1-0 – Adams, Michael – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. axb5 axb5
FIDE Grand Swiss 2025 – Round 7 – Dubov Daniil – 1/2-1/2 – Woodward Andy – G365 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d3 h6 9. Re1 O-O 10. Nbd2 Ne7
FIDE WCh KO 2001 – Round 4.4 – Ponomariov, Ruslan – 1-0 – Morozevich, Alexander – G313 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bg4 9. h3 Bxf3 10. Qxf3 O-O
FIDE World Cup 2019 – Round 2.2 – Jakovenko, Dmitry – 1/2-1/2 – Gemma Jones Ndjoli – G249 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 b4 9. d4 Ba7 10. Be3 O-O
FIDE World Rapid 2014 – Round 13.39 – Volokitin, Andrei – 1/2-1/2 – Debashis, Das – G302 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. Na3 O-O
GCT Blitz Paris 2021 – Round 18.2 – Vachier-Lagrave, Maxime – 0-1 – Aronian, Levon – G84 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. a5 Ba7
GCT Blitz Paris 2021 – Round 5.2 – Vachier-Lagrave, Maxime – 1-0 – Caruana, Fabiano – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bg4 9. h3 Bh5 10. d3 O-O
Global Chess League 2023 – Round 1.6 – Bjerre, Jonas Buhl – 1/2-1/2 – Sindarov, Javokhir – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bb7 9. d4 Bb6 10. Be3 O-O
Hoogovens 1998 – Round 6 – Nijboer, Friso – 1/2-1/2 – Shirov, Alexei – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. axb5 axb5
Investbanka 1997 – Round 4 – Kovacevic, Aleksandarndar – 0-1 – Anand, Viswanathan – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bg4 9. h3 Bh5 10. d3 Rb8
It, Linares ESP 1997 – Round 6 – Polgar, Judit – 1/2-1/2 – Shirov, Alexei – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Rb8 9. d4 Bb6 10. Na3 Bg4
Linares 14th 1997 – Round 8 – Polgar, Judit – 0-1 – Anand, Viswanathan – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Rb8 9. d3 O-O 10. axb5 axb5
Lindores Abbey Tal Memorial 2021 – Round 16.34 – Ponomariov, Ruslan – 1-0 – Rakotomaharo, Fy Antenaina – G696 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 b4 9. d4 Ba7 10. Be3 O-O
Tal Memorial Blitz 2008 – Round 10 – Ponomariov, Ruslan – 0-1 – Tkachiev, Vladislav – G87 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Bb7 9. d4 Bb6 10. Bg5 h6
Tal Memorial Blitz 2008 – Round 24 – Leko, Peter – 1-0 – Tkachiev, Vladislav – G201 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d3 h6 9. h3 O-O 10. Nbd2 Re8
Tal Memorial Blitz 2008 – Round 28 – Svidler, Peter – 1/2-1/2 – Tkachiev, Vladislav – G235 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Bb7 9. d4 Bb6 10. Bg5 h6
Tal Memorial Blitz 2008 – Round 30 – Karjakin, Sergey – 1-0 – Tkachiev, Vladislav – G252 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Bb7 9. d4 Bb6 10. Bg5 h6
Tal Memorial Blitz 2008 – Round 32 – Carlsen, Magnus – 1-0 – Tkachiev, Vladislav – G268 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d3 h6 9. Nbd2 O-O 10. Re1 Bb6
TCh-RUS 2005 – Round 7 – Timofeev, Artyom – 1/2-1/2 – Onischuk, Alexanderexander – G120 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bg4 9. h3 Bxf3 10. Qxf3 Na5
TCh-RUS 2008 – Round 11 – Sutovsky, Emil – 1/2-1/2 – Avrukh, Boris – G309 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. axb5 axb5
Tilburg Fontys 1996 – Round 1 – Leko, Peter – 0-1 – Shirov, Alexei – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bg4 9. d3 Rb8 10. axb5 axb5
USA Ch 2022 – Round 13.3 – Swiercz, Dariusz – 0-1 – Yoo, Christopher Woojin – G86 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Rb8 9. d4 Bb6 10. a5 Ba7
World Blitz 2007 – Round 24 – Leko, Peter – 0-1 – Kasimdzhanov, Rustam – G236 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Bg4 9. h3 Bxf3 10. Qxf3 O-O
World Blitz 2007 – Round 35 – Carlsen, Magnus – 1-0 – Shirov, Alexei – G344 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d3 O-O 9. Bg5 h6 10. Bh4 g5
World Blitz 2009 – Round 1 – Leko, Peter – 1/2-1/2 – Anand, Viswanathan – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Rb8 9. axb5 axb5 10. d3 O-O
World Blitz 2009 – Round 13 – Dominguez Perez, Leinier – 0-1 – Anand, Viswanathan – G133 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d3 O-O 9. Nbd2 Bb6 10. Re1 Ne7
World Blitz 2009 – Round 25 – Gashimov, Vugar – 1/2-1/2 – Anand, Viswanathan – G260 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. axb5 axb5
World Blitz 2009 – Round 29 – Svidler, Peter – 0-1 – Anand, Viswanathan – G298 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. Na3 O-O
World Blitz 2009 – Round 35 – Karjakin, Sergey – 1/2-1/2 – Anand, Viswanathan – G367 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. axb5 axb5
World Blitz 2009 – Round 5 – Kosteniuk, Alexandra – 0-1 – Anand, Viswanathan – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Rb8 9. d4 Bb6 10. a5 Ba7
World Blitz 2015 – Round 2.38 – Movsesian, Sergei – 1-0 – Carlstedt, Jonathan – G103 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 Bg4 9. d3 Rb8 10. axb5 axb5
World Blitz 2018 – Round 11.47 – Frolyanov, Dmitry – 0-1 – Shirov, Alexei – G666 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. a5 Ba7
World Championship 2007 – Round 6 – Leko, Peter – 1/2-1/2 – Anand, Viswanathan – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. Na3 O-O
World Rapid 2019 – Round 1.66 – Abdusattorov, Nodirbek – 1/2-1/2 – Najer, Evgeniy – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. a5 Ba7
World Rapid Final 2012 – Round 5 – Tkachiev, Vladislav – 1/2-1/2 – Kazhgaleyev, Murtas – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. axb5 axb5

C78j —

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.c3 d6

Eval: [+0.32]

Les coups candidats

8.d4 — 59.0% (3313 parties) →

Ambassadeurs : Volodarsky, Yury Aleksandrovich (30x), Godena, Michele (24x), Adams, Michael (18x), Caruana, Fabiano (16x), Lanin, Boris Dr (15x), Stefanova, Antoaneta (14x), Kosteniuk, Alexandra (14x), Malaniuk, Vladimir P (12x)

8.a4 — 29.2% (1637 parties)

Ambassadeurs : Volodarsky, Yury Aleksandrovich (37x), Shirov, Alexei (25x), Stefanova, Antoaneta (18x), Onischuk, Alexander (17x), Godena, Michele (17x), Karjakin, Sergey (15x), Anand, Viswanathan (15x), Lanin, Boris Dr (15x)

8.h3 — 4.3% (244 parties)

Ambassadeurs : Munkhzul, Davaakhuu (3x), Glavina, Pablo (2x), Plaskan, Jure (2x), Fenollar Jorda, Manuel (2x), Timofeev, Pavel (2x), Turcin, Lovro (2x), Ahluwalia, Amardip (2x), Jimenez Fernandez, Rebeca (2x)

8.d3 — 4.0% (224 parties)

Ambassadeurs : Kosintseva, Nadezhda (4x), Kosintseva, Tatiana (3x), Tkachiev, Vladislav (3x), Volodarsky, Yury Aleksandrovich (3x), Lagno, Kateryna (3x), Pranav, V (3x), Schermann (2x), Rousseau, Daniel (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.d4	8.a4	8.h3	8.d3
<1800	222	64%	15%	10%	4%
1800-2200	1753	61%	22%	7%	5%
2200-2600	2727	57%	35%	2%	3%
2600+	377	49%	47%	1%	3%

Évolution par décennie (% des parties)

Décennie	N parties	8.d4	8.a4	8.h3	8.d3
1850s	1	100%	—	—	—
1860s	2	100%	—	—	—
1890s	2	100%	—	—	—
1900s	2	50%	—	—	50%
1910s	1	100%	—	—	—
1930s	3	67%	—	33%	—
1950s	2	100%	—	—	—
1960s	3	100%	—	—	—
1970s	12	58%	—	—	25%
1980s	14	79%	—	—	7%
1990s	388	64%	19%	7%	2%
2000s	1586	54%	32%	5%	6%
2010s	2339	58%	30%	4%	4%
2020s	1260	65%	28%	3%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.d4	58%	65%	▲ +7.0%
8.a4	30%	28%	▼ -2.9%
8.h3	4%	3%	▼ -1.1%
8.d3	4%	2%	▼ -2.0%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 8 parties
Ju, Wenjun — 3 parties
Lasker, Emanuel — 2 parties
Karpov, Anatoly — 2 parties
Gukesh D — 2 parties
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie
Ding, Liren — 1 partie

Parties historiques

8.d4 — 59.0% (3313 parties)

1859 — Loewenthal, Johann vs Morphy, Paul — 1-0 — London m1 London ENG
1860 — Maude, P. vs Kolisch, I. — 0-1 — Londen m
1861 — Anderssen, Adolf vs Messemaker, Christiaan — 1-0 — Rotterdam NED
1894 — Albin, Adolf vs Showalter, Jackson — 1-0 — New York, NY USA
1895 — Lasker, Emanuel vs H E Faulkner — 1-0 — Newcastle ENG

8.a4 — 29.2% (1637 parties)

1990 — Servat, Roberto vs Izeta Txabarri, Felix — 1/2-1/2 — Cordoba op
1992 — Jansa, Vlastimil vs Sahl, Bjarke — 1/2-1/2 — Copenhagen DEN
1993 — Campora, Daniel H. vs Fernandez Garcia, Jose Luis(2) — 1-0 — Espana equipos
1993 — Aroni Zapata, Amir Alejandro vs Acebal Fernandez, Jose Maria — 0-1 — Oviedo rapid
1995 — Neven, Knut vs Wagner, Gusztav — 1-0 — IECG, Cat-M corr

8.h3 — 4.3% (244 parties)

1934 — Klass Harry vs Brown Chauran, William Antonio — 0-1 — Sydney AUS
1993 — Becke, L. vs Humphries, Dennis E — 1-0 — Las Vegas, NV USA
1994 — Zych, R vs Szajda, Marcin — 1-0 — Biala Podlaska
1995 — Natsis Tasos vs Province, David — 0-1 — corr IECG Cat-B
1995 — Tebar, Gimenez J vs Tornel Luis Rubio — 1-0 — ?

8.d3 — 4.0% (224 parties)

1905 — Ahlberg, Algot vs Svenonius A — 1-0 — Stockholm SWE
1970 — Lantsias, Andreas vs Schermann — 1/2-1/2 — Siegen GER
1970 — Arita, K. vs Schermann — 1-0 — Siegen GER
1979 — Daamen, Ferry vs Valks, Henny — 1-0 — Valkenswaard
1989 — Gelfand, Boris vs Izeta Txabarri, Felix — 1-0 — Haifa ISR

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