C93n — Spanish: Closed, Smyslov, 12.Nf1 Bd7 13.Ng3 Na5 14.Bc2 c5

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Nf1 Bd7 13.Ng3 Na5 14.Bc2 c5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte f5, un fou actif en c2 et la paire de fous.

Côté adverse. Le fou enfermé en f8.

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

Plans. Bg5 (Clouer Nf6).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte c4, un avant-poste en c4, un fou actif en d7 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Plusieurs pièces dorment encore (le fou f8 et la tour a8).

Plans. ...Be7 (Développer Bf8) ; ...c4 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, g2→h3, c3→d4	● a6→b5, d6→c5, d6→e5, g7→h6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f5 (2v1)	● c4 (2v0)
Cases faibles	—	—
Centre	● d4 (3v2), ● e4 (3v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc2	● Bc2 Actif (mob. 4)
Bd7		● Bd7 Actif (mob. 6)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (f8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c3-c4, ● d4-d5	● …c5-c4, ● …d6-d5

Partie
1961 URS-ch29 – Round 10 – Tal, Mikhail – 1/2-1/2 – Smyslov, Vasily – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1962 Kiev (Ukraine) – Round 2 – Shianovsky, Vladislav I – 1/2-1/2 – Kots, Yuri I – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1962 Leningrad – Round 1 – Bannik, Anatolij – 1/2-1/2 – Zilber, Israel – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1962 Spartak Ch – Round 7 – Platonov, Igor V – 1/2-1/2 – Kholmov, Ratmir D – G54 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1962 URS-ch30 – Round ? – Stein, Leonid – 1-0 – Spassky, Boris V. – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1962 Varna olm – Round 2 – Unzicker, Wolfgang – 1/2-1/2 – Filip, Miroslav – G104 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1963 Asztalos Memorial – Round 4 – Tal, Mikhail – 1-0 – Ghitescu, Theodor – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1965 Belgrade – Round 1 – Kavalek, Lubomir – 1/2-1/2 – Sokolov, Vladimir – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1965 Capablanca Memorial – Round 6 – Ciocaltea, Victor – 1-0 – Haro Garcia, Gilberto – G62 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Bd7
1965 IBM – Round 4 – Parma, Bruno – 1-0 – Langeweg, Kick – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1965 ISR Ch – Round 7 – Minsker, Reuven – 1/2-1/2 – Domnitz, Zadok – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1965 URS-JUG – Round 3 – Spassky, Boris V. – 1/2-1/2 – Matanovic, Aleksandar – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1965 Yerevan – Round 2 – Matanovic, Aleksandar – 1/2-1/2 – Liberzon, Vladimir M – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1965 Zagreb – Round 14 – ? – 1/2-1/2 – Gligorić, Svetozar – G145 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1966 BRA-ch33 – Round 7 – Camara, Helder – 1-0 – Theophilo Alberto – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1966 CSR Ch Int 1st – Round 4 – Novak, Ervin – 1/2-1/2 – Augustin, Josef – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1966 Havana olm – Round 1 – Fischer, Raphael – 1/2-1/2 – Spassky, Boris V. – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1966 La Habana olm prel – Round 1 – Ivkov, Borislav – 1-0 – Bilyap, Siracettin – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1966 Palermo Memorial – Round 1 – Lopez Luis Clemente – 1/2-1/2 – Redolfi, Argentino Rodolfo – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1966 Santa Monica – Round 7 – Unzicker, Wolfgang – 1/2-1/2 – Reshevsky, Samuel – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1966 Sarajevo Sarajevo BIH – Round 13 – Matulovic, Milan – 1-0 – Mestrovic, Zvonimir – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1966 Tel Aviv 6th – Round 12 – Domnitz, Zadok – 1/2-1/2 – Matanovic, Aleksandar – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1966 Tel Aviv 6th – Round 15 – Matanovic, Aleksandar – 1/2-1/2 – Yanofsky, Daniel Abraham – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Bd7
1966 Tel Aviv 6th – Round 3 – Kraidman, Yair – 0-1 – Matanovic, Aleksandar – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1967 It II – Round 8 – Nainggolan M – 0-1 – Medina-Garcia, Antonio – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Bd7
1967 Rubinstein Memorial – Round 1 – Kostro, Jerzy – 1/2-1/2 – Schmidt, Wlodzimierz – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1967 Sofia tt – Round 5 – Pavlov, Mircea-Sergiu-Aurelian – 1/2-1/2 – Daskalov, Georgi – G80 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1967 Sousse Interzonal – Round 18 – Gipslis, Aivars – 1/2-1/2 – Matanovic, Aleksandar – G167 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1967 Sousse Interzonal – Round 4 – Kavalek, Lubomir – 1/2-1/2 – Reshevsky, Samuel – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1967 Sousse Interzonal – Round 5 – Ivkov, Borislav – 1/2-1/2 – Matanovic, Aleksandar – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1967 Sousse Interzonal – Round 8 – Gipslis, Aivars – 1/2-1/2 – Reshevsky, Samuel – G74 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1967 Sousse Interzonal+ – Round 11 – Fischer, Robert J – 1-0 – Reshevsky, Samuel – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1968 CSR Ch – Round 6 – Kupka, Slavoj – 1/2-1/2 – Kozma, Julius – G50 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 CSR Team Ch Harrachov – Round 1 – Jansa, Vlastimil – 1/2-1/2 – Smejkal, Jan – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 Kecskemet – Round 1 – Hennings, Artur – 1/2-1/2 – Malich, Burkhard, Dr. – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 Kiev (Ukraine) – Round 4 – Kurass, Iskir – 1/2-1/2 – Kots, Yuri I – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1968 Lugano ol (Men) – Round ? – Spassky, Boris Vasily – 1/2-1/2 – Portisch, Lajos – G95 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 Lugano ol (Men) fin-A – Round 10 – Geller, Efim P – 1/2-1/2 – Liebert, Heinz – G60 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 Monte Carlo – Round 13 – Gheorghiu, Florin – 1/2-1/2 – Portisch, Lajos – G83 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 POL Ch 25th – Round 12 – Bednarski, Jacek B – 1/2-1/2 – Kostro, Jerzy – G71 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 Prague U26 – Round 9 – Jansa, Vlastimil – 1-0 – Novacek, Josef – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 Vinkovci – Round 12 – Fischer, Robert J – 1/2-1/2 – Gheorghiu, Florin – G68 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 WchT U26 15th – Round 2.1 – Smejkal, Jan – 1/2-1/2 – Brinck-Claussen, Bjorn – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1968 YUG Ch 23th – Round 1 – Matulovic, Milan – 0-1 – Stupica, Janez – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 Athens zt – Round 6 – Pedersen, Eigil – 1/2-1/2 – Gheorghiu, Florin – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 Belgrade – Round 4 – Janosevic, Dragoljub – 0-1 – Geller, Efim P – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1969 Cacak – Round ? – Planinec, Albin – 1-0 – Honfi, Karoly – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 Hoogovens – Round 15 – Kavalek, Lubomir – 1/2-1/2 – Geller, Efim P – G128 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 Monte Carlo – Round ? – Schmidt, Wlodzimierz – 0-1 – Smyslov, Vasily – G57 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1969 Praia da Rocha zt – Round 1 – Huguet, Bernard – 1-0 – Donnely, Brian – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1969 Raach zt – Round 12 – Sigurjonsson, Gudmundur – 1-0 – Smejkal, Jan – G109 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 Reggio Emilia 6970 12th – Round ? – Filep, Tibor – 1/2-1/2 – Troianescu, Octav – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 San Juan – Round 5 – Parma, Bruno – 1/2-1/2 – Kavalek, Lubomir – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 URS-ch37 – Round 7 – Gipslis, Aivars – 1/2-1/2 – Smyslov, Vasily – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1969 Vidmar Memorial – Round 15 – Tringov, Georgi P – 1/2-1/2 – Matanovic, Aleksandar – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 Vidmar Memorial – Round 4 – Unzicker, Wolfgang – 1/2-1/2 – Matanovic, Aleksandar – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 Vilnius – Round 1 – Kapengut, Albert – 1/2-1/2 – Timman, Jan H – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 YUG Ch 24th – Round 11 – ? – 1/2-1/2 – Stupica, Janez – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1969 YUG Ch 24th – Round 17 – Nicevski, Risto – 1/2-1/2 – Stupica, Janez – G65 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1970 IBM – Round 3 – Ciric, Dragoljub M – 1/2-1/2 – Donner, Jan Hein – G150 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
1972 Skopje ol (Men) fin-A – Round 12 – Byrne, Robert – 1/2-1/2 – Smyslov, Vassily – G326 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8
1973 Leningrad Interzonal – Round 12 – Byrne, Robert – 1/2-1/2 – Kuzmin, Gennadi P – G112 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
36. Olympiad 2004 – Round 12 – Short, Nigel D – 0-1 – Azarov, Sergei – G440 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8
Buenos Aires olm 1978 – Round 1 – Kavalek, Lubomir – 1/2-1/2 – Spassky, Boris V. – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 Bg4 8. d3 O-O 9. h3 Bd7 10. Nbd2 Re8
Olympiad 2002 – Round 5 – Dominguez Perez, Leinier – 1/2-1/2 – Sokolov , Ivan – G160 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8

C93n — Closed Smyslov

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Nf1 Bd7 13.Ng3 Na5 14.Bc2 c5

Eval: [+0.53]

Les coups candidats

15.b3 — 69.0% (392 parties)

Ambassadeurs : Matanovic, Aleksandar (9x), Djuric, Stefan (9x), Gheorghiu, Florin (8x), Mayr, Franz (8x), Kavalek, Lubomir (7x), Parma, Bruno (6x), Augustin, Josef (6x), Geller, Efim P. (6x)

15.d5 — 26.2% (149 parties)

Ambassadeurs : Azarov, Sergei (4x), Klapp, Herwig (4x), Pino Munoz, Francisca (3x), Gombocz, Ferenc Jr. (3x), Tal, Mikhail (2x), Smyslov, Vasily (2x), Spassky, Boris V. (2x), Matanovic, Aleksandar (2x)

15.dxe5 — 1.9% (11 parties)

Ambassadeurs : Bannik, Anatolij (1x), Zilber, Israel (1x), Dueckstein, Andreas (1x), Matanovic, Aleksandar (1x), Unzicker, Wolfgang (1x), Reshevsky, Samuel (1x), Platonov, Igor V (1x), Kholmov, Ratmir D (1x)

15.Nh2 — 0.7% (4 parties)

Ambassadeurs : Lee, Peter N (1x), Boutteville, Cesar (1x), Shianovsky, Vladislav I (1x), Kots, Yuri I (1x), Bagusis, Vytas (1x), Zalys, Ignas (1x), Georgescu, Cristian (1x), Moscaliuc, Alexandru (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	15.b3	15.d5	15.dxe5	15.Nh2
<1800	7	43%	57%	—	—
1800-2200	128	57%	38%	1%	2%
2200-2600	234	67%	28%	2%	—
2600+	14	79%	21%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	15.b3	15.d5	15.dxe5	15.Nh2
1960s	95	75%	15%	4%	2%
1970s	86	91%	9%	—	—
1980s	19	63%	21%	5%	5%
1990s	53	77%	11%	8%	2%
2000s	129	69%	26%	2%	—
2010s	157	57%	43%	—	—
2020s	29	38%	59%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
15.b3	57%	38%	▼ -19.4%
15.d5	43%	59%	▲ +15.9%
15.dxe5	0%	0%	+0.0%
15.Nh2	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 3 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 2 parties

Parties historiques

15.b3 — 69.0% (392 parties)

1962 — Unzicker, Wolfgang vs Filip, Miroslav — 1/2-1/2 — Varna BUL
1963 — Tal, Mikhail vs Ghitescu, Theodor — 1-0 — Miskolc
1964 — Karner, Hillar vs Uusi, Gunnar — 0-1 — Estonia
1964 — Dodson, Peter Brian vs Milan Slade — 1/2-1/2 — British CC Ch 1964-65
1965 — Kavalek, Lubomir vs Sokolov, Vladimir — 1/2-1/2 — Belgrade SRB

15.d5 — 26.2% (149 parties)

1961 — Tal, Mikhail vs Smyslov, Vasily — 1/2-1/2 — Baku Ch URS
1961 — Tal, Mikhail vs Smyslov, Vasily — 1/2-1/2 — Baku AZE
1962 — Stein, Leonid vs Spassky, Boris V. — 1-0 — Erevan ARM
1965 — Spassky, Boris V. vs Matanovic, Aleksandar — 1/2-1/2 — URS
1965 — Lindblom, Per vs De Lange, Daan — 1/2-1/2 — ?

15.dxe5 — 1.9% (11 parties)

1962 — Bannik, Anatolij vs Zilber, Israel — 1/2-1/2 — Leningrad RUS
1962 — Platonov, Igor V vs Kholmov, Ratmir D — 1/2-1/2 — Minsk BLR
1966 — Dueckstein, Andreas vs Matanovic, Aleksandar — 0-1 — Le Havre FRA
1966 — Unzicker, Wolfgang vs Reshevsky, Samuel — 1/2-1/2 — Santa Monica, CA USA
1988 — Dreyer, Michael, Dr. vs Muender, Michael — 1-0 — GER

15.Nh2 — 0.7% (4 parties)

1962 — Shianovsky, Vladislav I vs Kots, Yuri I — 1/2-1/2 — Kiev UKR
1966 — Lee, Peter N vs Boutteville, Cesar — 1-0 — Havana CUB
1984 — Bagusis, Vytas vs Zalys, Ignas — 0-1 — Montreal match
1999 — Georgescu, Cristian vs Moscaliuc, Alexandru — 1-0 — Deva

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