C93l — Spanish: Closed, Smyslov, 12.Nf1 Bb7

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 Bb7 * ○ 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 d5, un fou actif en b3 et la paire de fous.

Côté adverse. Les fous enfermés en b7 et f8.

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

Plans. Bg5 (Clouer Nf6) ; Bc2 (Anticiper ...Na5).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur 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) ; ...Na5 (Attaquer Bb3) ; ...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→e5, c7→d6, g7→h6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb3	● Bb3 Actif (mob. 6)
Bb7		● Bb7 Enfermé (mob. 1)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
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	● …d6-d5

Partie
1938 Ljubljana – Round 7 – Trifunovic, Petar – 1-0 – Preinfalk, Anton – G51 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 Bb7 10. d4 h6
1962 Moscow – Round ? – Shamkovich, Leonid – 1-0 – Bronstein, David I – G77 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 d6 9. c3 h6 10. d4 Re8
1962 New York m – Round 1 – Evans, Larry M – 0-1 – Lombardy, William J – G1 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 Stockholm Interzonal – Round 1 – Portisch, Lajos – 1/2-1/2 – Bilek, Istvan – 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
1963 Hoogovens – Round 1 – Parma, Bruno – 1-0 – Milic, Bozidar – 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
1963 HUN-RSFSR – Round 3.2 – Kholmov, Ratmir D – 1/2-1/2 – Szabo, Laszlo – G20 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
1963 Leningrad Ch – Round ? – Rutman, Aleksandr – 1-0 – Kondratiev, Pavel E – G16 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 Bb7
1964 Amsterdam Interzonal – Round 5 – Stein, Leonid – 1/2-1/2 – Spassky, Boris Vasily – G48 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
1964 URS Spartakiad – Round ? – Shamkovich, Leonid – 0-1 – Liberzon, Vladimir M – G34 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 5 – Minsker, Reuven – 0-1 – Porath, Yosef – G18 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 Mar del Plata – Round 14 – Gheorghiu, Florin – 1/2-1/2 – Panno, Oscar – G114 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 Novi Sad – Round 1 – ? – 1/2-1/2 – Sokolov, Vladimir – 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
1966 CSR Ch Int 1st – Round 12 – Kovacs, Laszlo M – 1/2-1/2 – Bilek, Istvan – G70 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 fin-A – Round 12 – Pietzsch, Wolfgang – 1/2-1/2 – Portisch, Lajos – G34 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 Budva – Round ? – Tal, Mikhail – 1/2-1/2 – Gligorić, Svetozar – G38 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 Liberation – Round 4 – ? – 1/2-1/2 – Sokolov, Vladimir – G5 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 Moscow – Round 1 – Geller, Efim P – 1-0 – Portisch, Lajos – G111 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 12 – Kavalek, Lubomir – 0-1 – Gligorić, Svetozar – 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
1967 Sousse Interzonal – Round 22 – Mecking, Henrique – 1/2-1/2 – Gligorić, Svetozar – G208 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 YUG-URS – Round 10 – Gipslis, Aivars – 1/2-1/2 – Gligorić, Svetozar – G30 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 Hastings6869 – Round 4 – Clarke, Peter H – 1/2-1/2 – Gligorić, Svetozar – 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
1968 Hastings6869 – Round 6 – Tukmakov, Vladimir B – 1/2-1/2 – Gligorić, Svetozar – G30 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 IBM II – Round 7 – Tatai, Stefano – 1-0 – Scholl, Eddie C – G12 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 olm - Round 1 - Kostro, Jerzy - 1/2-1/2 - Balinas, Rosendo C - G426 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 olm - Round 1 - Unzicker, Wolfgang - 1/2-1/2 - Gligorić, Svetozar - G297 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 Manila – Round 2 – Torre, Eugenio – 0-1 – Gligorić, Svetozar – 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
1968 Palma de Mallorca – Round 10 – Medina-Garcia, Antonio – 1-0 – Matanovic, Aleksandar – G93 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 Palma de Mallorca – Round 16 – Medina-Garcia, Antonio – 0-1 – 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
1968 Palma de Mallorca – Round 9 – Westerinen, Heikki M.J. – 0-1 – Matanovic, Aleksandar – 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 URS-JUG – Round 3 – Geller, Efim P – 1/2-1/2 – Gligorić, Svetozar – G6 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 1 – Matulovic, Milan – 1-0 – ? – 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
1969 Belgrade – Round 10 – Ivkov, Borislav – 1/2-1/2 – Matanovic, Aleksandar – 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
1969 Buesum – Round 5 – Hecht, Hans-Joachim – 1/2-1/2 – Joachim-Gligoric Svetozar – G25 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 Cacak – Round ? – Majstorovic, Ljubomir – 0-1 – Padevsky, Nikola – G10 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 Capablanca Memorial – Round 12 – Suetin, Alexey S – 1-0 – Cobo Arteaga, Eldis – G92 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 Capablanca Memorial – Round 3 – Garcia Martinez, Silvino – 0-1 – Gligorić, Svetozar – G25 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 Liberation – Round 3 – Kurajica, Bojan – 1/2-1/2 – Matanovic, Aleksandar – G20 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 Moskou ch-URS – Round 1 – Tukmakov, Vladimir B – 0-1 – Smyslov, Vladimir – G172 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 Netanya – Round 12 – Domnitz, Zadok – 0-1 – Kraidman, Yair – 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
1969 Praia da Rocha zt – Round 1 – ? – 1/2-1/2 – Gligoric, Svetozar – G2 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 Raach zt – Round 18 – Sigurjonsson, Gudmundur – 1/2-1/2 – Matanovic, Aleksandar – G153 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 Rubinstein Memorial – Round 10 – Jansa, Vlastimil – 1/2-1/2 – Radovici, Corvin – G40 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 Rubinstein Memorial – Round 3 – Schmidt, Wlodzimierz – 1/2-1/2 – Hennings, Artur – G11 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 Rubinstein Memorial – Round 5 – Barczay, Laszlo – 1/2-1/2 – Radovici, Corvin – 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 Sarajevo – Round 2 – Bogdanovic, Rajko – 1/2-1/2 – Gligorić, Svetozar – G26 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 Sarajevo – Round 9 – Matulovic, Milan – 1/2-1/2 – Gligorić, Svetozar – G66 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 WchT U26 fin-A 16th – Round 5.1 – Zuckerman, Bernard – 1/2-1/2 – Antunac, Goran – 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
1969 YUG Ch 24th – Round 15 – Nikolic, Predrag – 0-1 – Stupica, Janez – G57 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 Belgrade URS-World – Round 1.5 – Geller, Efim P – 1-0 – Gligoric, Svetozar – G25 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 Belgrade URS-World – Round 3.5 – Geller, Efim P – 1/2-1/2 – Gligoric, Svetozar – G24 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 1 – Spassky, Boris V. – 1/2-1/2 – Gligoric, Svetozar – G149 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 12 – Ciric, Dragoljub M – 1/2-1/2 – Gligoric, Svetozar – G148 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 14 – Tringov, Georgi P – 1/2-1/2 – Gligoric, Svetozar – G147 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 Palma de Mallorca Interzonal – Round 11 – Geller, Efim P – 1/2-1/2 – Gligoric, Svetozar – G215 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 Vinkovci – Round 1 – Ozanic, Marijan – 1/2-1/2 – Ledic, Tomislav – G101 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
1971 Moscow – Round 6 – Karpov, Anatoly – 1/2-1/2 – Balashov, Yuri S – G189 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 2 – Smejkal, Jan – 1/2-1/2 – Ivkov, Borislav – G322 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
1975 URS Team Ch – Round ? – Gufeld, Eduard – 1-0 – Tukmakov, Vladimir B – G439 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
42. Olympiad 2016 – Round 3.2 – Duda, Jacob – 1-0 – Bruzon Batista, Lazaro – G199 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
Szirak Interzonal 1987 – Round 4 – Ljubojevic, Ljubomir – 1-0 – Milos, Gilberto – 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
Tal Memorial Blitz 2008 – Round 7 – Karjakin, Sergey – 0-1 – Svidler, Peter – G58 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

C93l — 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 Bb7

Eval: [+0.65]

Les coups candidats

13.Ng3 — 96.6% (1428 parties)

Ambassadeurs : Flecher, Joseph (78x), Gligorić, Svetozar (23x), Gligoric, Svetozar (23x), ? (12x), Wiker, Bo (12x), Geller, Efim P. (10x), Perilli Lorenzo (10x), Scacco, Mauro (10x)

13.d5 — 2.2% (33 parties)

Ambassadeurs : Frey Beckman, Kenneth (2x), Kovacs, Laszlo M (1x), Bilek, Istvan (1x), Bokuchava, Alexander (1x), Gurgenidze, B. (1x), Cortes Moyano, Julio (1x), Rocha, Antonio (1x), Gonzales, Eliseo (1x)

13.Bc2 — 0.9% (13 parties)

Ambassadeurs : Lobbes, Frank (2x), Nutku, Ulug (1x), Lampela Olavi (1x), Gallozzi, G. (1x), Itri, Nathan (1x), Houna, M. (1x), Rasheed, Aziz (1x), Larsen, Kenneth (1x)

13.Ne3 — 0.1% (2 parties)

Ambassadeurs : Hellers, Ferdinand (1x), Sepehri, Faraz (1x), Tomic, Jelena (1x), Zlatanovic, Zoran (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	13.Ng3	13.d5	13.Bc2	13.Ne3
<1800	32	97%	3%	—	—
1800-2200	450	97%	2%	0%	0%
2200-2600	471	97%	2%	0%	—
2600+	15	93%	7%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	13.Ng3	13.d5	13.Bc2	13.Ne3
1930s	1	100%	—	—	—
1960s	92	98%	2%	—	—
1970s	165	98%	1%	1%	—
1980s	101	96%	1%	3%	—
1990s	268	94%	3%	2%	0%
2000s	343	96%	3%	1%	—
2010s	411	97%	2%	0%	0%
2020s	98	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
13.Ng3	97%	100%	▲ +2.7%
13.d5	2%	0%	▼ -1.7%
13.Bc2	0%	0%	-0.2%
13.Ne3	0%	0%	-0.2%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 4 parties
Smyslov, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

13.Ng3 — 96.6% (1428 parties)

1938 — Trifunovic, Petar vs Preinfalk, Anton — 1-0 — Ljubljana
1962 — Portisch, Lajos vs Bilek, Istvan — 1/2-1/2 — Stockholm SWE
1962 — Evans, Larry vs Lombardy, William J — 0-1 — New York, NY USA
1962 — Lenchiner Izia vs Kots, Yuri I — 1-0 — ?
1962 — Shamkovich, Leonid vs Bronstein, David I — 1-0 — Moscow RUS

13.d5 — 2.2% (33 parties)

1965 — Bokuchava, Alexander vs Gurgenidze, B. — 0-1 — Tbilisi GEO
1966 — Kovacs, Laszlo M vs Bilek, Istvan — 1/2-1/2 — Harrachov
1972 — Gonzales, Eliseo vs Frey Beckman, Kenneth — 0-1 — Skopje ol (Men) fin-C
1972 — Gonz lez vs Frey Beckman, Kenneth — 0-1 — Skopje ol.(Dominican
1989 — Cortes Moyano, Julio vs Rocha, Antonio — 1/2-1/2 — Torre Blanca

13.Bc2 — 0.9% (13 parties)

1973 — Nutku, Ulug vs Lampela Olavi — 1/2-1/2 — ?
1974 — Gallozzi, G. vs Itri, Nathan — 1-0 — corr Italy
1981 — Larsen, Kenneth vs Brown, Tony R — 0-1 — Phoenix, AZ USA
1984 — Houna, M. vs Rasheed, Aziz — 1/2-1/2 — Thessaloniki GRE
1989 — Przygodda, Markus vs Tamm, Ulrich, Dr. — 1/2-1/2 — Dortmund GER

13.Ne3 — 0.1% (2 parties)

1992 — Hellers, Ferdinand vs Sepehri, Faraz — 1-0 — Stockholm;Rilton Cup
2019 — Tomic, Jelena vs Zlatanovic, Zoran — 1/2-1/2 — Paracin