C83e — Spanish: Open, Classical, 10.Nbd2 Nc5

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Be7 10.Nbd2 Nc5 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur la case forte d4, un fou actif en b3, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le roi resté au centre.

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

Plans. 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 e4.

Atouts. Les Noirs s'appuient sur la case forte e4, des fous actifs en e6 et e7, la paire de fous et la colonne semi-ouverte e.

Côté adverse. Le fou enfermé en c1.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Na5 (Attaquer Bb3) ; ...Bg4 (Clouer Nf3) ; ...d4 (Rupture) ; ...f6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3	● a6→b5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1)	● e4 (2v1)
Cases faibles	● c4	—
Centre	● d4 (2v1)	● d5 (2v1), ● e4 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb3	● Bb3 Actif (mob. 4)
Be6		● Be6 Actif (mob. 5)
Be7		● Be7 Actif (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	2 (● 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	semi-ouvert
Ruptures	● c3-c4	● …d5-d4, ● …f7-f6, ● …f7-f5

Partie
1911 BCF Ch 8th – Round 11 – Michell, Reginald – 1-0 – West, Arthur George – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1912 Stockholm Nordic Ch – Round 7 – Marco, Georg – 1-0 – Giersing, Johannes H – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1914 DSB-19.Kongress – Round 6 – Tarrasch, Siegbert – 1-0 – Alfred Ehrhardt Post – G42 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1914 It (Men) St Petersburg RUS – Round 11 – Berndtsson, Karl – 0-1 – Spielmann, Rudolf – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
1916 New York Rice prel – Round 4 – Capablanca, Jose – 1-0 – Chajes, Oscar – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1916 New York Rice prel – Round 8 – Capablanca, Jose – 1-0 – Hodges, Albert – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1924 Paris prel-9 – Round 5 – Romih, Max – 1-0 – Handasyde, HK. – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1924 Weston – Round 6 – Blake, Joseph – 0-1 – Znosko-Borovsky, Eugene – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1936 New York ch-USA – Round 6 – Horowitz, Albert Israel – 1-0 – Steiner, Heinrich Jun. – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1939 Buenos Aires ARG – Round 4 – Michel, Paul – 1/2-1/2 – Piazzini, Luis – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1939 Buenos Aires ol f-A – Round 4 – Acebey Michel, Veroska – 1/2-1/2 – Piazzini, Luis – G83 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1946 POL Ch – Round 12 – Pytlakowski, Andrzej – 1/2-1/2 – Sojka, Emil – G71 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1947 Chigorin Memorial – Round 1 – Kholmov, Ratmir D – 0-1 – Novotelnov, Nikolai – G63 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1955 Erfurt – Round 8 – Dely, Peter – 1-0 – Bely, Matthieu – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1964 Tel Aviv olm prel – Round 3 – Domnitz, Zadok – 1/2-1/2 – Philippe, Georges – G111 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
1966 Moscow Training – Round 5 – Boleslavsky, Isaac – 1-0 – Korchnoi, Viktor – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
20. European Teams 2015 – Round 5.1 – Svidler, Peter – 1/2-1/2 – Mamedyarov, Shakhriyar – G193 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
20. European Teams 2015 – Round 7.2 – Shirov, Alexei – 0-1 – Mamedyarov, Shakhriyar – G298 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
3. Norway Chess 2015 – Round 9.5 – Caruana, Fabiano – 1/2-1/2 – Giri, Anish – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
4. World Blitz 2008 – Round 14 – Ivanchuk, Vasyl – 1-0 – Amin, Bassem – G98 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
42. Olympiad 2016 – Round 7.1 – Harikrishna, Pentala – 1/2-1/2 – Caruana, Fabiano – G464 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
43. Olympiad 2018 – Round 8.1 – Caruana, Fabiano – 1-0 – Mamedyarov, Shakhriyar – G496 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
57. ch-RUS 2004 – Round 9 – Svidler, Peter – 0-1 – Motylev, Alexander – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
6. Sinquefield Cup 2018 – Round 9.4 – Anand, Viswanathan – 1/2-1/2 – Mamedyarov, Shakhriyar – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
7. Norway Blitz 2019 – Round 8.2 – Vachier-Lagrave, Maxime – 1-0 – Yu, Yangyi – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
73. Tata Steel GMA 2011 – Round 13 – Shirov, Alexei – 1/2-1/2 – L'Ami, Erwin – G65 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Be7 10. c3 Nc5
78. Tata Steel GpA 2016 – Round 13.1 – Carlsen, Magnus – 1/2-1/2 – Ding, Liren – G86 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
78. Tata Steel GpA 2016 – Round 13.7 – Adams, Michael – 1/2-1/2 – So, Wesley – G91 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
78. Tata Steel GpA 2016 – Round 7.4 – Wei, Yi – 1/2-1/2 – So, Wesley – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
9. Sinquefield Cup 2022 – Round 8.4 – Dominguez Perez, Leinier – 1/2-1/2 – Mamedyarov, Shakhriyar – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
Corus A 2010 – Round 2 – Shirov, Alexei – 1-0 – Caruana, Fabiano – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
FIDE Grand Swiss 2025 – Round 9 – Vachier-Lagrave Maxime – 1-0 – Erdogmus Yagiz Kaan – G473 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
FIDE World Cup 2015 – Round 1.2 – Sevian, Samuel – 1/2-1/2 – Radjabov, Teimour – G110 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
FIDE World Cup 2015 – Round 4.2 – Caruana, Fabiano – 1/2-1/2 – Mamedyarov, Shakhriyar – G382 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
FIDE World Cup 2025 – Round R3 Classical 1 – Karthik Venkataraman – 1/2-1/2 – Deac Bogdan-Daniel – G456 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 Bd7 8. cxd5 exd5 9. Bf4 O-O 10. e3 h6
FIDE World Cup 2025 – Round R5 Rapid 1 – Donchenko Alexander – 0-1 – Le Quang Liem – G624 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 Be7 7. Bf4 O-O 8. Qd2 a6 9. Bd3 Re8 10. O-O-O b5
Lindores Abbey Tal Memorial 2021 – Round 14.38 – Ter-Sahakyan, Samvel – 1-0 – Muzychuk, Mariya – G619 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
Saint Louis Rapid 2018 – Round 3.1 – Caruana, Fabiano – 1-0 – Mamedyarov, Shakhriyar – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
Saint Louis Rapid 2023 – Round 9.1 – Vachier-Lagrave, Maxime – 1/2-1/2 – Sevian, Samuel – G41 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Be7 10. c3 Nc5
Semi-Finals 2004 – Round 4 – Svidler, Peter – 1/2-1/2 – Kramnik, Vladimir – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
SuperUnited Blitz 2023 – Round 10.3 – Nepomniachtchi, Ian – 0-1 – Anand, Viswanathan – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
SuperUnited Rapid 2022 – Round 2.3 – Saric, Ivan – 1/2-1/2 – Mamedyarov, Shakhriyar – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
Tal Memorial Blitz 2016 – Round 6.5 – Anand, Viswanathan – 1/2-1/2 – Mamedyarov, Shakhriyar – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
TCh-RUS 2005 – Round 6 – Sutovsky, Emil – 1-0 – Sorokin, Maksim – G98 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
TCh-RUS 2005 – Round 7 – Grischuk, Alexander – 1-0 – Sorokin, Maksim – G119 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
USA Ch 2016 – Round 9.1 – Xiong, Jeffery – 1/2-1/2 – So, Wesley – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
USA Ch 2022 – Round 11.1 – Swiercz, Dariusz – 0-1 – Sevian, Samuel – G70 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Be7 10. c3 Nc5
Vugar Gashimov Mem 2014 – Round 6.3 – Caruana, Fabiano – 1/2-1/2 – Nakamura, Hikaru – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
World Blitz 2015 – Round 20.10 – Anand, Viswanathan – 1/2-1/2 – Mamedyarov, Shakhriyar – G1225 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
World Blitz 2021 – Round 19.7 – Nepomniachtchi, Ian – 0-1 – Sindarov, Javokhir – G1143 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
World Blitz 2022 – Round 8.30 – Najer, Evgeniy – 1/2-1/2 – Brunello, Sabino – G414 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
World Rapid 2021 – Round 1.61 – Quparadze, Giga – 1-0 – Sindarov, Javokhir – G50 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
World Rapid 2021 – Round 2.9 – Najer, Evgeniy – 1/2-1/2 – Mamedyarov, Shakhriyar – G133 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 Nc5
World Rapid 2021 – Round 4.3 – Nepomniachtchi, Ian – 1/2-1/2 – Abdusattorov, Nodirbek – G219 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7
World Rapid 2021 – Round 5.47 – Ter-Sahakyan, Samvel – 0-1 – Sindarov, Javokhir – G295 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7

C83e — Open Classical

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Be7 10.Nbd2 Nc5

Eval: [+0.30]

Les coups candidats

11.Bc2 — 95.3% (3250 parties)

Ambassadeurs : Klewe, Wolfgang (76x), Armani, Giuseppe (71x), Walter, Gerhard (44x), Ochs, Manfred (25x), Starace, Umberto (21x), Korneev, Oleg (21x), Boehme, Sebastian (20x), Heiermann, Ludger (20x)

11.Qe2 — 1.7% (58 parties)

Ambassadeurs : Dory, Jeno (5x), ? (4x), Super Nova (2x), Super Forte C (2x), Wemmers, Carl (1x), Fritz Contreras, Esteban (1x), Rothman, Aaron (1x), Pinkus, Albert (1x)

11.Nd4 — 1.6% (54 parties)

Ambassadeurs : Rivas Romero, Guillermo (3x), Piazzini, Luis (2x), Lobron, Eric (2x), Hort, Vlastimil (2x), Negyesy, Gyorgy (1x), Szopko (1x), Silva Sanchez, Carlos (1x), Ferreyra Rivarola (1x)

11.Re1 — 1.0% (33 parties)

Ambassadeurs : Byrne, Ray (2x), Byrne, David (1x), Pettersson Eilert (1x), Moberg, Knut (1x), Byrne, Donald (1x), Marjanovic, Slavoljub (1x), Hort, Vlastimil (1x), Fauth, Heinz (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11.Bc2	11.Qe2	11.Nd4	11.Re1
<1800	53	94%	2%	—	2%
1800-2200	943	97%	1%	1%	1%
2200-2600	1801	97%	1%	1%	0%
2600+	164	97%	—	1%	1%

Évolution par décennie (% des parties)

Décennie	N parties	11.Bc2	11.Qe2	11.Nd4	11.Re1
1870s	1	—	100%	—	—
1880s	1	100%	—	—	—
1890s	1	100%	—	—	—
1910s	27	96%	4%	—	—
1920s	18	94%	—	6%	—
1930s	12	58%	8%	33%	—
1940s	20	65%	10%	10%	15%
1950s	7	71%	29%	—	—
1960s	8	88%	12%	—	—
1970s	26	77%	—	19%	—
1980s	164	85%	5%	7%	2%
1990s	362	90%	5%	1%	2%
2000s	738	95%	1%	1%	2%
2010s	1343	97%	1%	1%	1%
2020s	683	99%	—	1%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11.Bc2	97%	99%	▲ +1.6%
11.Qe2	1%	0%	▼ -1.2%
11.Nd4	1%	1%	+0.2%
11.Re1	1%	0%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 10 parties
Hou, Yifan — 7 parties
Lasker, Emanuel — 6 parties
Ding, Liren — 5 parties
Alekhine, Alexander — 4 parties
Euwe, Max — 3 parties
Carlsen, Magnus — 2 parties
Kramnik, Vladimir — 1 partie
Kasparov, Garry — 1 partie

Parties historiques

11.Bc2 — 95.3% (3250 parties)

1889 — Baird, David vs White, Max — 0-1 — New York, NY USA
1896 — Janowski, Dawid vs Winawer, Szymon — 1-0 — Vienna AUT
1911 — Fahrni, Hans vs Kostic, Boris — 1-0 — ?
1911 — Alekhine, Alexander vs Levenfish, Grigory — 1/2-1/2 — Carlsbad CZE
1911 — Michell, Reginald vs West, Arthur George — 1-0 — Glasgow SCO

11.Qe2 — 1.7% (58 parties)

1877 — Wemmers, Carl vs Fritz Contreras, Esteban — 1-0 — Leipzig GER
1914 — Berndtsson, Karl vs Spielmann, Rudolf — 0-1 — St Petersburg RUS
1938 — Dzagurov vs Shaunenko — 1-0 — Moscow RUS
1946 — Rothman, Aaron vs Pinkus, Albert — 1/2-1/2 — New York, NY USA
1946 — Fox, Maurice vs Yanofsky, Daniel Abraham — 0-1 — Canada

11.Nd4 — 1.6% (54 parties)

1924 — Blake, Joseph vs Znosko-Borovsky, Eugene — 0-1 — Weston
1930 — Negyesy, Gyorgy vs Szopko — 1-0 — HUN
1930 — Silva Sanchez, Carlos vs Ferreyra Rivarola — 1/2-1/2 — Lima PER
1939 — Acebey Michel, Veroska vs Piazzini, Luis — 1/2-1/2 — Buenos Aires ARG
1939 — Michel, Paul vs Piazzini, Luis — 1/2-1/2 — Buenos Aires ARG

11.Re1 — 1.0% (33 parties)

1945 — Byrne, David vs Byrne, Ray — 1/2-1/2 — New York, NY USA
1945 — Byrne, Donald vs Byrne, Ray — 1/2-1/2 — Manhattan
1946 — Pettersson Eilert vs Moberg, Knut — 0-1 — ?
1980 — Marjanovic, Slavoljub vs Hort, Vlastimil — 1/2-1/2 — Sarajevo BIH
1982 — Spraggett, Kevin vs Lake, Perry — 1-0 — Quebec Invitational

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