C78k — Spanish: 5.O-O b5 6.Bb3 Bc5 7.c3 d6 8.d4

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.c3 d6 8.d4 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes d5 et g5, 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. Nc3 (Développer Nb1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4) ; Bc2 (Anticiper ...Na5).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte g4, 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, c3→d4	● a6→b5, d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1), ● g5 (2v0)	● g4 (2v0)
Cases faibles	—	—
Centre	● d5 (2v1)	● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb3	● Bb3 Actif (mob. 6)
Bc5		● Bc5 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 6)
Paire de fous	● Oui	● Oui
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, ● d4-d5	● …d6-d5

Partie
19. European Teams 2013 – Round 3.9 – Popilski, Gil – 1/2-1/2 – Giri, Anish – G128 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Rb8 10. axb5 axb5
1952 Hollywood – Round 1 – Gligoric, Sofija – 1-0 – Graf, Sascha – G29 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. h3 exd4 10. cxd4 Na5
1975 URS Team Ch – Round ? – Namzhilov, Zhigmit – 1-0 – Muhamedzjanov, Nail – G420 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. h3 O-O 10. Re1 Bb7
2. Sinquefield Cup 2014 – Round 4.3 – Vachier-Lagrave, Maxime – 1/2-1/2 – Nakamura, Hikaru – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 h6
20. European Teams 2015 – Round 7.13 – Grandelius, Nils – 1/2-1/2 – Beliavsky, Alexander G – G294 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 Bg4
2024 SuperUnited Rapid & Blitz Croatia – Round 2 – Nepomniachtchi Ian – 1/2-1/2 – Caruana Fabiano – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 Na5
3. Sinquefield Cup 2015 – Round 9.3 – Vachier-Lagrave, Maxime – 1/2-1/2 – Giri, Anish – G42 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 h6
4. World Blitz 2008 – Round 10 – Morozevich, Alexander – 0-1 – Tkachiev, Vladislav – G70 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 Bg4 10. Nbd2 O-O
43. Olympiad 2018 – Round 3.19 – Navara, David – 1-0 – Morovic Fernandez, Ivan – G185 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. a4 Bg4 10. h3 Bh5
43. Olympiad 2018 – Round 8.8 – Saric, Ivan – 1-0 – Maghsoodloo, Parham – G554 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Rb8 10. a5 Ba7
7. Norway Chess 2019 – Round 3.5 – Vachier-Lagrave, Maxime – 1/2-1/2 – Anand, Viswanathan – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. a4 Bb7 10. axb5 axb5
74. Tata Steel GMA 2012 – Round 12 – Navara, David – 1/2-1/2 – Caruana, Fabiano – G82 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 h6
79. Tata Steel GpA 2017 – Round 2.7 – Harikrishna, Pentala – 1-0 – Adhiban, B. – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. h3 exd4
82. Tata Steel GpA 2020 – Round 12.2 – Vitiugov, Nikita – 1/2-1/2 – Firouzja, Alireza – G72 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 h6
85. Tata Steel Masters 2023 – Round 13.6 – Ding, Liren – 1/2-1/2 – Caruana, Fabiano – G90 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 h6
Amber Blindfold 2001 – Round 10 – Leko, Peter – 0-1 – Topalov, Veselin – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Rb8 10. axb5 axb5
Amber-rapid 6th 1997 – Round 4 – Lautier, Joel – 0-1 – Shirov, Alexei – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. h3 O-O 10. Re1 Bb7
CCT Final KO 2023 – Round 1.11 – Carlsen, Magnus – 1-0 – Caruana, Fabiano – G1 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 h6
Dortmund 1998 – Round 2 – Leko, Peter – 1/2-1/2 – Adams, Michael – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. a4 Bg4 10. axb5 axb5
FIDE World Cup 2019 – Round 2.3 – Jakovenko, Dmitry – 1-0 – Gemma Jones Ndjoli – G268 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. a4 Rb8 10. a5 Ba7
FIDE World Cup 2025 – Round R1 Classical 1 – Salih Akar Ali Salih – 0-1 – Dmitrij Kollars – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 Bg4
FIDE World Cup 2025 – Round R2 Rapid 1 – Tin Jingyao – 0-1 – Samuel Sevian – G378 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. a3 a5 10. Qc2 Nf6
FIDE World Cup 2025 – Round R3 Classical 2 – Meier Georg – 1/2-1/2 – Daniil Dubov – G498 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nde2 Nc6 8. O-O Be6 9. Nd5 Nxd5 10. exd5 Bxd5
FIDE World Rapid 2014 – Round 4.30 – Antipov Olano, Maxim – 0-1 – Kasimdzhanov, Rustam – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. h3 h6
FIDE World Rapid Championship 2025 – Round 7 – Hong Andrew – 0-1 – Abdusattorov Nodirbek – G136 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. h3 O-O 10. Be3 h6
FTX Crypto Cup 2022 – Round 2.3 – Firouzja, Alireza – 1-0 – Le, Quang Liem – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Re1 O-O 10. Bg5 h6
GCT Blitz Paris 2019 – Round 8.5 – Giri, Anish – 0-1 – Anand, Viswanathan – G40 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 Re8
Global Chess League 2023 – Round 2.3 – Saini Vidit – 1/2-1/2 – Radjabov, Teimour – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Re1 Bg4 10. Bg5 Qd7
Global Chess League 2023 – Round 2.6 – Praggnanandhaa R – 1/2-1/2 – Esipenko, Andrey – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 h6
Global Chess League 2023 – Round 5.1 – Anand, Viswanathan – 1-0 – Aronian, Levon – G53 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 Bg4 10. Nbd2 O-O
GpB 2004 – Round 3 – Leko, Peter – 1/2-1/2 – Karjakin, Sergey – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. a4 Rb8 10. Na3 O-O
Makedonia Palace GP 2013 – Round 2.2 – Grischuk, Alexander – 1-0 – Nakamura, Hikaru – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Rb8 10. Na3 O-O
Moscow Superblitz 2006 – Round 15 – Morozevich, Alexander – 0-1 – Tkachiev, Vladislav – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Qd3 O-O 10. Bg5 h6
Qatar Masters Open 2015 – Round 4.30 – Firat, Burak – 0-1 – Khairullin, Ildar – G149 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Rb8 10. a5 Ba7
Renova FIDE GP Zug 2013 – Round 2.5 – Ponomariov, Ruslan – 1-0 – Caruana, Fabiano – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 Re8
Renova FIDE GP Zug 2013 – Round 4.4 – Ponomariov, Ruslan – 1/2-1/2 – Giri, Anish – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 Re8
Reykjavik ISL, 22th Open 2006 – Round 8 – Svidler, Peter – 0-1 – Svidler, Peter – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Bg4 10. d5 Ne7
Saint Louis Blitz 2024 - Round 16 - Vachier Lagrave Maxime - 1/2-1/2 - Caruana Fabiano - G78 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 Na5
Sparkassen GM 2007 – Round 4 – Anand, Viswanathan – 1-0 – Naiditsch, Arkadij – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. a4 Bg4 10. h3 Bh5
Superbet Chess Classic Romania 2025 – Round 9 – Vachier-Lagrave Maxime – 1-0 – Duda Jan-Krzysztof – G43 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Rb8 10. a5 Ba7
Superbet Classic 2021 – Round 8.2 – Grischuk, Alexander – 1/2-1/2 – 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. d4 Bb6 9. a4 Bg4 10. axb5 axb5
Supreme Masters 2013 – Round 4.2 – Anand, Viswanathan – 0-1 – 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. d4 Bb6 9. Be3 O-O 10. Nbd2 Re8
Tal Memorial 2010 – Round 4 – Karjakin, Sergey – 1/2-1/2 – Shirov, Alexei – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 Bg4
Tal Memorial Blitz 2008 – Round 4 – Morozevich, Alexander – 1-0 – Tkachiev, Vladislav – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 h6
Tata Steel Chess 2025 – Round 8 – Harikrishna Pentala – 1/2-1/2 – Giri Anish – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. h3 O-O 10. Re1 Rb8
USA Ch 2017 – Round 11.3 – Kamsky, Gata – 1/2-1/2 – Onischuk, Alexanderexander – G62 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. a4 Bg4 10. axb5 axb5
World Blitz 2016 – Round 17.23 – Bok, Benjamin – 1/2-1/2 – Bu, Xiangzhi – G676 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. Be3 exd4 10. cxd4 O-O
World Blitz 2021 – Round 6.22 – Vachier-Lagrave, Maxime – 1-0 – Dudin, Gleb – G334 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 Rb8
World Blitz 2022 – Round 12.55 – Ivic, Velimir – 1-0 – Gareyev, Timur – G655 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. Be3 Bg4 10. dxe5 Nxe5
World Blitz 2023 – Round 19.38 – Zhalmakhanov, Ramazan – 0-1 – Pranav, V – G1092 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Bg4 10. Bg5 Rb8
World Blitz 2023 – Round 19.6 – Vachier-Lagrave, Maxime – 1-0 – Caruana, Fabiano – G1106 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Bg4 10. h3 Bh5
World Rapid 2019 – Round 2.18 – Smirin, Ilia – 1-0 – Matlakov, Maxim – G89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 Re8
World Rapid 2021 – Round 12.63 – Heberla, Bartlomiej – 1-0 – Erdos, Viktor – G730 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Rb8 10. a5 Ba7
World Rapid 2021 – Round 4.4 – Grischuk, Alexander – 1/2-1/2 – Gareyev, Timur – G228 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. Be3 Bg4 10. dxe5 dxe5
Zuerich Chess Challenge 2013 – Round 4.1 – Anand, Viswanathan – 0-1 – Caruana, Fabiano – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 h6

C78k —

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.c3 d6 8.d4

Eval: [+0.31]

Les coups candidats

8…Bb6 — 88.8% (2947 parties)

Ambassadeurs : Volodarsky, Yury Aleksandrovich (30x), Godena, Michele (24x), Adams, Michael (18x), Caruana, Fabiano (16x), Lanin, Boris Dr (15x), Malaniuk, Vladimir P (12x), Onischuk, Alexander (12x), Stefanova, Antoaneta (9x)

8…exd4 — 8.8% (293 parties)

Ambassadeurs : Feng, Jason (7x), Aichmaier, David (2x), Archaga Knight, Luis David (2x), Varley, Trevor (2x), Stross, Frantisek (2x), Dzhasmagambetov, Yury Viktorovich (2x), Siero, Paul (2x), Di Cio, Enrico (2x)

8…Ba7 — 2.3% (77 parties)

Ambassadeurs : Stefanova, Antoaneta (5x), Georgiev, Vladimir (3x), Pon, NKrithika (2x), Sutton, Daniel (2x), Smietanska, Wiktoria (2x), Atuán, Jorge Daniel (2x), Kuybokarov, Temur (2x), Bjerre, Jonas Buhl (2x)

8…Bg4 — 0.1% (2 parties)

Ambassadeurs : Geyer, Thomas (1x), Haparta, Jacek (1x), Salonen, Jukka (1x), Sternik, Ryszard (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Bb6	8…exd4	8…Ba7	8…Bg4
<1800	144	62%	32%	6%	—
1800-2200	1079	87%	11%	2%	0%
2200-2600	1564	97%	1%	2%	—
2600+	184	97%	—	3%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…Bb6	8…exd4	8…Ba7	8…Bg4
1850s	1	—	100%	—	—
1860s	2	50%	50%	—	—
1890s	2	50%	50%	—	—
1900s	1	—	100%	—	—
1910s	1	100%	—	—	—
1930s	2	50%	50%	—	—
1950s	2	50%	—	50%	—
1960s	3	33%	33%	33%	—
1970s	7	43%	43%	14%	—
1980s	11	45%	45%	—	9%
1990s	251	80%	19%	1%	—
2000s	852	84%	14%	2%	—
2010s	1363	90%	7%	2%	0%
2020s	821	96%	2%	3%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Bb6	90%	96%	▲ +5.8%
8…exd4	7%	2%	▼ -5.8%
8…Ba7	2%	3%	+0.1%
8…Bg4	0%	0%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 9 parties
Anand, Viswanathan — 7 parties
Carlsen, Magnus — 3 parties
Lasker, Emanuel — 2 parties
Ju, Wenjun — 2 parties
Gukesh D — 1 partie
Ding, Liren — 1 partie

Parties historiques

8…Bb6 — 88.8% (2947 parties)

1861 — Anderssen, Adolf vs Messemaker, Christiaan — 1-0 — Rotterdam NED
1895 — Lasker, Emanuel vs H E Faulkner — 1-0 — Newcastle ENG
1913 — Alexa Mason vs Dodds, G — 0-1 — Nelson
1938 — Lasker, Emanuel vs Milton J Lockwood — 0-1 — New Rochelle, NY USA
1952 — Gligoric, Sofija vs Graf, Sascha — 1-0 — Hollywood

8…exd4 — 8.8% (293 parties)

1859 — Loewenthal, Johann vs Morphy, Paul — 1-0 — London m1 London ENG
1860 — Maude, P. vs Kolisch, I. — 0-1 — Londen m
1894 — Albin, Adolf vs Showalter, Jackson — 1-0 — New York, NY USA
1906 — Cross, James F vs Smith, Magnus — 0-1 — Winnipeg CAN
1930 — Kashdan, Isaac vs Lundin, Erik — 1-0 — Stockholm Stockholm SWE

8…Ba7 — 2.3% (77 parties)

1957 — Radzikowska, Krystyna vs Hruskova Belska, Nina — 1-0 — Emmen
1963 — Blackstone, John vs Salter, Shlomi — 1/2-1/2 — California
1972 — Littlewood, Paul E vs Sedgwick, David — 1-0 — Brighton ENG
1994 — Lopez Alonso Jose Antonio vs Abad Sanchez, Carlos — 1-0 — ?
1995 — Bystron, J vs Suchomel, Jan — 1/2-1/2 — Plzen CZE

8…Bg4 — 0.1% (2 parties)

1987 — Geyer, Thomas vs Haparta, Jacek — 1-0 — Wuerzburg
2010 — Salonen, Jukka vs Sternik, Ryszard — 1-0 — FICGS