C67t — Spanish: Open Berlin, 5.d4 Nd6 Queenswap, 9.Nc3 h6

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ Kxd8 9.Nc3 h6 * ○ Trait aux Blancs

Milieu de jeu — Centre asymétrique

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Manœuvres et amélioration des pièces.

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (1 contre 0).

Côté adverse. Les fous enfermés en c8 et f8.

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

Plans. Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture c6-c5).

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (4 contre 3), la paire de fous et la colonne semi-ouverte e.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Plusieurs pièces dorment encore (les fous c8 et f8 et les tours a8 et h8).

Plans. ...Be7 (Développer Bf8) ; ...c5 (Rupture) ; ...f6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c6, ● c7
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→c6, g7→h6
Passés	—	—
Majorité	● centre 1v0	● aile_dame 4v3

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● e4 (1v0), ● e5 (1v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● d	● d
Semi-ouvertes	—	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 2)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	Non	● Oui
Non développées	2 (● c1, ● a1)	4 (● c8, ● f8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● d8
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Milieu de jeu
Centre	asymétrique
Ruptures	—	● …c6-c5, ● …f7-f6

Partie
18. Amber Rapid 2009 – Round 6 – Karjakin, Sergey – 0-1 – Aronian, Laurel – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Bd7
1900 Paris – Round 2.2 – Schlechter, Carl – 1-0 – Showalter, Jackson – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8
1902 It (Men) Hanover GER – Round 1 – Levin Astorga, Nicolas Daniel – 1-0 – Napier, William – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. b3 Be6
1904 London – Round 1 – Brown Mark Felix – 0-1 – Loman, Rudolf – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Ne4 Be6
1947 GBR Ch 34. Premier – Round 3 – Aitken, James – 1-0 – Sergeant, Edward – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. b3 Be7
1949 Leningrad – Round 10 – Zagorovsky, Vladimir – 1/2-1/2 – Ravinsky, Grigory – G76 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Ne2 Bc5
1951 Augsburg – Round 4 – Bogoljubow, Efim – 1/2-1/2 – Teschner, Rudolf – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. b3 Be6
1952 Mar del Plata – Round 15 – Cuellar Alpire, Mariana – 1/2-1/2 – Michel, Pascal – G112 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8
1956 Ilford Premier – Round 2 – Kottnauer, Cenek – 1-0 – Wade, Robert G – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Ne2 g5
1957 GBR Ch 44th – Round 4.4 – Alexander, Conol Hugh – 1-0 – Franklin, Michael J – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 Nxe4 5. O-O Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. b3 Be6
1957 Madrid – Round 11 – Unzicker, Wolfgang – 1/2-1/2 – Toran Albero, Roman – G49 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Be7
1958 Riga Ch – Round 15 – Klavins, Janis – 1/2-1/2 – Koblencs, Alexander – G29 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Bd2 Be6
1960 CSR Ch – Round 15 – Jansa, Vlastimil – 1-0 – Zajic, Jiri – G131 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Ne2 g5
1961 Wch-jr final I – Round 1 – Kinnmark, Ove – 0-1 – Pfleger, Helmut, Dr. – G1 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h4 Be6
1967 Kiev (Ukraine) – Round 7 – Kurass, Iskir – 1/2-1/2 – Zurakhov, Vladlen Y – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8
1967 Moscow – Round 1 – Gipslis, Aivars – 1/2-1/2 – Spassky, Boris Vasily – G114 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Ne2 Ke8
1969 San Juan – Round 13 – Parma, Bruno – 1/2-1/2 – Bisguier, Arthur B – G88 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Be6
1969 Tallinn it – Round 1 – Szabo, Laszlo – 1/2-1/2 – Book, Eero – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Ke8
1969 Venice – Round 9 – Unzicker, Wolfgang – 1/2-1/2 – Troianescu, Octav – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Ke8
1975 URS Team Ch – Round 1 – Hermlin, Aarne – 0-1 – Romanishin, Oleg M – G444 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Bd2 Be6
36. Olympiad 2004 – Round 9 – Charbonneau, Pascal – 0-1 – Granda Zuniga, Julio E – G324 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8
Amber Blindfold 2004 – Round 8 – Shirov, Alexei – 1/2-1/2 – Topalov, Veselin – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Ne7
Amber Blindfold 2005 – Round 5 – Shirov, Alexei – 1/2-1/2 – Topalov, Veselin – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. b3 Be6
Amber Rapid 2005 – Round 2 – Anand, Viswanathan – 1-0 – Topalov, Veselin – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Bd7
Amber-blindfold 16th 2007 – Round 8 – Anand, Viswanathan – 1-0 – Vallejo Pons, Francisco – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Ne7
Amber-blindfold 20th 2011 – Round 5 – Gashimov, Vugar – 0-1 – Aronian, Levon – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8
Amber-rapid 14th 2005 – Round 4 – Kramnik, Vladimir – 1/2-1/2 – Anand, Viswanathan – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8
BGN World Championship 2000 – Round 13 – Kasparov, Garry – 1/2-1/2 – Kramnik, Vladimir – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Ke8
ch-Wereld Teams 1989 – Round 1 – Ehlvest, Jaan – 1/2-1/2 – Brunner, Lucas – G61 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. b3 Be6
Corus A 2005 – Round 8 – Short, Nigel D – 1-0 – Sokolov , Ivan – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Bd7
Corus A 2009 – Round 9 – Kamsky, Gata – 0-1 – Aronian, Levon – G59 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. b3 a5
Dos Hermanas 1999 – Round 3 – Adams, Michael – 1-0 – Korchnoi, Viktor – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8
EU Team Ch (Men) 17th 2009 – Round 4 – Adams, Michael – 1/2-1/2 – Bacrot, Etienne – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Bd7
FIDE GP 2010 – Round 2 – Svidler, Peter – 0-1 – Ponomariov, Ruslan – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Bd7
FIDE GP 2010 – Round 4 – Leko, Peter – 1/2-1/2 – Ponomariov, Ruslan – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8
FIDE WCh KO 2000 – Round 1.2 – Hansen, Sune Berg – 0-1 – Kharlov, Andrei – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Ne2 a5
Grand Slam Final 4th 2011 – Round 1 – Anand, Viswanathan – 1/2-1/2 – Carlsen, Magnus – G1 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Ne7
It 2001 – Round 10 – Kasparov, Garry – 1-0 – Kramnik, Vladimir – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Bd7
Mainz CC Champions Duel 2001 – Round 3 – Anand, Viswanathan – 0-1 – Kramnik, Vladimir – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Bd7
Mtel Masters 2005 – Round 7 – Polgar, Judit – 1/2-1/2 – Ponomariov, Ruslan – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Ne7
Olympiad 2002 – Round 7 – Rowson, Jonathan – 0-1 – Granda Zuniga, Julio E – G243 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Ne7
RUS vs. ROW 2002 – Round 5 – Polgar, Judit – 1-0 – Kasparov, Garry – G40 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8
Saint Louis Rapid 2019 – Round 6.1 – Aronian, Levon – 1/2-1/2 – Dominguez Perez, Leinier – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Bd7
Saint Louis Rapid and Blitz 2025 – Round 20 – Vachier-Lagrave Maxime – 1/2-1/2 – Dominguez Perez Leinier – G98 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Ke8
Sparkassen GM 2009 – Round 5 – Carlsen, Magnus – 1-0 – Naiditsch, Arkadij – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Ne7
Tal Memorial 2009 – Round 5 – Svidler, Peter – 1/2-1/2 – Ponomariov, Ruslan – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Bd7
World Blitz Championship 2009 – Round 10 – Polgar, Judit – 0-1 – Ponomariov, Ruslan – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Bd7
World Blitz Final 2012 – Round 14 – Karjakin, Sergey – 0-1 – Carlsen, Magnus – G106 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8
World Cup 1988 – Round 1 – Ehlvest, Jaan – 1/2-1/2 – Korchnoi, Viktor – G80 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. h3 Be6
World Rapid 2016 – Round 4.50 – Gholami Beirami, Ali – 1-0 – Zhang, Zhong – G162 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Ne4 Ne7
World Rapid Final 2012 – Round 13 – Grischuk, Alexander – 1-0 – Carlsen, Magnus – G102 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. Rd1+ Ke8

C67t — Open Berlin Queenswap

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ Kxd8 9.Nc3 h6

Eval: [+0.22]

Les coups candidats

10.h3 — 53.0% (724 parties)

Ambassadeurs : Popov, Vladimir Valentinovich (14x), Grabarczyk, Miroslaw (12x), Splíchal, Josef (11x), Parmet, Daniel Edward (11x), Jonkman, Harmen (9x), Naiditsch, Arkadij (8x), Kayumov, Sergey (6x), Jakovenko, Dmitry (6x)

10.b3 — 19.7% (269 parties)

Ambassadeurs : Grabarczyk, Miroslaw (6x), Romanishin, Oleg M (4x), Guadamuro Torrente, Anabel (4x), Ghitescu, Theodor (3x), Bisguier, Arthur B (3x), Kveinys, Aloyzas (3x), Krasenkow, Michal (3x), Splíchal, Josef (3x)

10.Rd1+ — 15.2% (208 parties)

Ambassadeurs : Popov, Vladimir Valentinovich (5x), Parmet, Daniel Edward (5x), Kasparov, Garry (3x), Kjartansson, Gudmundur (3x), Bolenkov, Vladimir Vasilyevic (3x), Schlindwein, Rolf (2x), Michalek, Jan (2x), Wu, Wenjin (2x)

10.Ne2 — 3.8% (52 parties)

Ambassadeurs : Romanishin, Oleg M (5x), Psakhis, Lev (4x), Timoscenko, Gennadij (3x), Nickoloff, Bryon (2x), Kavalek, Lubomir (2x), Schmittdiel, Eckhard (2x), Porges, Moritz (1x), Pillsbury, Harry (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.h3	10.b3	10.Rd1+	10.Ne2
<1800	24	46%	8%	29%	—
1800-2200	334	52%	18%	20%	2%
2200-2600	735	56%	21%	13%	4%
2600+	105	72%	14%	13%	—

Évolution par décennie (% des parties)

Décennie	N parties	10.h3	10.b3	10.Rd1+	10.Ne2
1880s	3	—	33%	33%	—
1890s	6	—	17%	—	17%
1900s	6	—	50%	17%	—
1910s	4	—	—	—	—
1930s	1	—	—	100%	—
1940s	3	—	67%	—	33%
1950s	8	25%	25%	12%	12%
1960s	10	30%	10%	10%	30%
1970s	40	25%	35%	2%	15%
1980s	50	30%	36%	—	26%
1990s	102	34%	26%	16%	8%
2000s	589	58%	21%	13%	1%
2010s	521	59%	15%	20%	2%
2020s	23	57%	—	35%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.h3	59%	57%	▼ -2.0%
10.b3	15%	0%	▼ -14.8%
10.Rd1+	20%	35%	▲ +15.0%
10.Ne2	2%	0%	▼ -2.3%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 8 parties
Lasker, Emanuel — 5 parties
Kasparov, Garry — 5 parties
Anand, Viswanathan — 5 parties
Carlsen, Magnus — 5 parties
Tal, Mikhail — 3 parties
Hou, Yifan — 3 parties
Ding, Liren — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

10.h3 — 53.0% (724 parties)

1957 — Unzicker, Wolfgang vs Toran Albero, Roman — 1/2-1/2 — Madrid ESP
1959 — Levin Godoy, Matias Bastian vs Pogrebissky, Iosif — 1/2-1/2 — Kiev UKR
1969 — Parma, Bruno vs Bisguier, Arthur B — 1/2-1/2 — San Juan
1969 — Unzicker, Wolfgang vs Troianescu, Octav — 1/2-1/2 — Venice ITA
1969 — Szabo, Laszlo vs Book, Eero — 1/2-1/2 — Tallinn EST

10.b3 — 19.7% (269 parties)

1888 — Schottlaender, Arnold vs Riemann, Fritz — 0-1 — Leipzig GER
1892 — Porges, Moritz vs Tarrasch, Siegbert — 0-1 — Dresden GER
1901 — Jonsson Herman vs Pritzel, Axel Carl Martin — 0-1 — Goteborg SWE
1902 — Levin Astorga, Nicolas Daniel vs Napier, William — 1-0 — Hannover GER
1902 — Liebenstein H vs Piotrowski, O. — 1-0 — Hannover GER

10.Rd1+ — 15.2% (208 parties)

1889 — Gunston, William H vs Last, C W — 1-0 — corr
1900 — Schlechter, Carl vs Showalter, Jackson — 1-0 — Paris FRA
1938 — Lasker, Emanuel vs Harry Lyman Kagan Lyman — 1/2-1/2 — Boston, MA USA
1952 — Cuellar Alpire, Mariana vs Michel, Pascal — 1/2-1/2 — Mar del Plata ARG
1967 — Kurass, Iskir vs Zurakhov, Vladlen Y — 1/2-1/2 — Kiev UKR

10.Ne2 — 3.8% (52 parties)

1896 — Porges, Moritz vs Pillsbury, Harry — 1/2-1/2 — Nuerenberg GER
1949 — Zagorovsky, Vladimir vs Ravinsky, Grigory — 1/2-1/2 — Leningrad RUS
1956 — Kottnauer, Cenek vs Wade, Robert G — 1-0 — Ilford
1960 — Jansa, Vlastimil vs Zajic, Jiri — 1-0 — Ostrava CZE
1967 — Gipslis, Aivars vs Spassky, Boris Vasily — 1/2-1/2 — Moscow RUS

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