A26t — English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5 9.a3

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5 9.a3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes e4, b5, d5 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

Plans. Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes d4, g4 et f5, un avant-poste en d4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bg4 (Développer Bc8, clouer Nf3) ; ...d5 (Rupture) ; ...e4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→a3, e2→d3, f2→g3, h2→g3, d3→c4	● d6→e5, c7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● b5 (2v0), ● d5 (2v1), ● g5 (2v0)	● d4 (2v1), ● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d5 (2v1), ● e4 (2v1)	● d4 (2v1), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	1 (c1)	2 (c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d3-d4, ● e2-e3	● …d6-d5, ● …e5-e4

Partie
? 2000 – Round ? – Kramnik, Vladimir – 1/2-1/2 – Fominyh, Alexander – G114 1. g3 g6 2. Bg2 Bg7 3. Nf3 Nf6 4. O-O O-O 5. c4 d6 6. Nc3 Nc6 7. d3 e5 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
1952 Hungary Ch – Round 10 – Florian, Tibor – 1/2-1/2 – Szabo, Laszlo – G56 1. c4 Nf6 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nc6 6. O-O O-O 7. Rb1 a5 8. a3 d6 9. d3 Bf5 10. Nd2 Qd7
1954 Nottingham ch-BCF – Round 10.1 – Barden, Leonard – 1/2-1/2 – Clarke, Paul R H – G36 1. c4 Nf6 2. Nc3 d6 3. g3 e5 4. Bg2 g6 5. Nf3 Nc6 6. O-O Bg7 7. d3 O-O 8. Rb1 a5 9. a3 Be6 10. Ng5 Bd7
1955 URS Team Ch fin – Round 7 – Polugaevsky, Lev – 1/2-1/2 – Arulaid, Alexander – G30 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. d3 e5 8. Rb1 a5 9. a3 Bd7 10. b4 axb4
1957 Moskou ch-URS – Round 16 – Stolyar, E. – 1/2-1/2 – Bannik, Anatolij – G156 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nf3 Nf6 7. O-O O-O 8. Rb1 a5 9. a3 Re8 10. b4 axb4
1957 Moskou ch-URS – Round 29 – Petrosian, Tigran V – 1/2-1/2 – Keres, Paul Petrovich – G214 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d3 d6 8. Rb1 a5 9. a3 Re8 10. Nd2 Bg4
1957 Przepiorka Memorial – Round 10 – Franz, Joachim – 0-1 – Bogdanovic, Rajko – G67 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 Nc6 7. Rb1 e5 8. d3 a5 9. a3 Re8 10. e4 Nd7
1959 UKR Ch – Round 13 – Rotstein, Jefim – 1/2-1/2 – Zurakhov, Vladlen Y – G101 1. g3 Nf6 2. Bg2 e5 3. d3 g6 4. Nf3 d6 5. O-O Bg7 6. c4 O-O 7. Nc3 Nc6 8. Rb1 a5 9. a3 Nh5 10. b4 axb4
1960 UKR Ch – Round 3 – Rotstein, Jefim – 1/2-1/2 – Bannik, Anatolij – G13 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 O-O 5. O-O d6 6. Nc3 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. Ne1 Nd4
1961 Belgrade Open – Round 9 – Milic Dobos, Simun – 1/2-1/2 – Gligoric, Sofija – G21 1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. d3 Nc6 6. Rb1 a5 7. a3 Nf6 8. Nf3 O-O 9. O-O Re8 10. Bg5 h6
1961 Buenos Aires ch-ARG – Round 16 – Obregoso – 0-1 – Goldenberg, Edgardo – G98 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. b4 axb4
1961 Moscow Ch – Round ? – Shatskes, Boris A – 1/2-1/2 – Vasiukov, Evgeni – G40 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 O-O 5. O-O d6 6. Nc3 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Nh5 10. b4 axb4
1962 Kislovodsk – Round ? – Kotov, Alexander. – 0-1 – Vasiukov, Evgeni – G1 1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6 7. d3 e5 8. Rb1 a5 9. a3 Nh5 10. b4 axb4
1963 Alekhine Memorial – Round 3 – Hort, Vlastimil – 1/2-1/2 – Padevsky, Nikola – G14 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d3 d6 5. g3 g6 6. Bg2 Bg7 7. Rb1 a5 8. a3 O-O 9. O-O Bd7 10. b4 axb4
1964 Tel Aviv olm prel – Round 7 – Flesch, János – 1-0 – Thill, Frederic – G285 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. O-O Nc6 7. Rb1 a5 8. a3 e5 9. d3 Ne7 10. Bd2 h6
1965 WchT U26 12. prel – Round 5 – Spiridonov, Nikola – 1-0 – Mertens, Paul – G44 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Rb1 a5 9. a3 Nh5 10. b4 axb4
1966 Aarhus – Round 2 – Sloth, Jorn – 1/2-1/2 – Andersen, Borge – G22 1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Rb1 a5 9. a3 Bg4 10. h3 Be6
1967 American Open – Round 3 – Hanken, Jerome B – 0-1 – Osbun, Erik – G4 1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. O-O O-O 5. c4 d6 6. Nc3 Nc6 7. Rb1 e5 8. d3 a5 9. a3 Nh5 10. b4 axb4
1968 Bamberg – Round 8 – Kestler, Hans-Guenther – 1-0 – Klundt, Klaus – G56 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Rb1 a5 9. a3 Nh5 10. b4 axb4
1968 Lugano olm - Round 1 - Ree, Hans - 1/2-1/2 - Ujtumen, Tudev - G42 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Rb1 a5 9. a3 Bd7 10. b4 axb4
1968 Olympiad Final A – Round 1 – Norby, Peter H. – 1/2-1/2 – Matulovic, Milan – G3 1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. d3 Nf6 6. Nf3 O-O 7. O-O Nc6 8. Rb1 a5 9. a3 Nh5 10. Nd5 Ne7
1968 Southend – Round 1 – Andy Zane Wright – 1/2-1/2 – Hartston, William R – G25 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. c4 e5 7. Nc3 Nc6 8. Rb1 a5 9. a3 Re8 10. Nd2 Bf5
1968 WchT U26 15. qual-D – Round 4.2 – Keene, Raymond D – 0-1 – Moe, Mogens – G8 1. Nf3 g6 2. c4 Bg7 3. g3 e5 4. Nc3 Nc6 5. Bg2 d6 6. d3 Nf6 7. O-O O-O 8. Rb1 a5 9. a3 Re8 10. Nd2 Bg4
1968 WchT U26 15th – Round 1 – Arnaudov, Petar – 0-1 – Huebner, Robert – G2 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d3 d6 6. Nf3 Nc6 7. O-O e5 8. Rb1 a5 9. a3 Nd4 10. b4 axb4
1970 Palma de Mallorca Interzonal – Round 19 – Huebner, Robert – 1-0 – Ujtumen, Tudev – G38 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Bd7 10. b4 axb4
1975 URS Team Ch – Round 2 – Etruk, Rein T – 1/2-1/2 – Mochalov, Evgeny V – G569 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. d3 e5 8. Rb1 a5 9. a3 Bf5 10. Ne1 Qd7
1975 URS Team Ch – Round 2 – Romanishin, Oleg M – 1-0 – Seredenko, Vladimir – G11 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Nf6 6. Rb1 a5 7. Nf3 O-O 8. O-O d6 9. a3 Be6 10. b4 axb4
2024 Superbet Chess Blitz – Round 11 – Giri Anish – 1/2-1/2 – Shevchenko Kirill – G52 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
2024 Superbet Chess Blitz – Round 3 – Giri Anish – 1-0 – Praggnanandhaa R – G14 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Nd4 10. b4 axb4
22. ECU Club Cup 2006 – Round 2 – Bezold, Michael – 1/2-1/2 – Movsesian, Sergei – G39 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. b4 axb4
30. ECC Open 2014 – Round 6.6 – Timofeev, Artyom – 1/2-1/2 – Mamedov, Rauf – G134 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O d6 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
Amber Blindfold 2003 – Round 4 – Bareev, Evgeny – 0-1 – Shirov, Alexei – G14 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. d3 e5 7. O-O Nc6 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
Biel Interzonal 1976 – Round 16 – Smejkal, Jan – 1/2-1/2 – Smyslov, Vassily – G73 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 d6 5. g3 g6 6. Bg2 Bg7 7. Rb1 a5 8. a3 O-O 9. O-O Nd4 10. Nd2 c6
Bosna SuperGM 2000 – Round 6 – Gurevich, Mikhail – 1-0 – Bacrot, Etienne – G25 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d3 d6 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
FIDE WCh KO 2000 – Round 3.2 – Gurevich, Mikhail – 1/2-1/2 – Shirov, Alexei – G99 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d3 d6 6. Nf3 e5 7. O-O Nc6 8. Rb1 a5 9. a3 Re8 10. Nd2 Nd4
FIDE World Blitz Championship 2025 – Round 6 – Makhnev Denis – 1-0 – Andreikin Dmitry – G110 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5 7. O-O O-O 8. Nc3 d6 9. Qc2 Bxc3 10. Bxc3 Be4
FIDE-Wch k.o. 1997 – Round 3.4 – Milos, Gilberto – 0-1 – Shirov, Alexei – G139 1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. d3 e5 8. Rb1 a5 9. a3 Re8 10. Nd2 Nd4
GCT Blitz Paris 2017 – Round 18.4 – Topalov, Veselin – 1-0 – Bacrot, Etienne – G89 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 a5 5. Nc3 g6 6. g3 Bg7 7. Bg2 O-O 8. O-O d6 9. Rb1 Re8 10. e4 Bg4
Interpolis 1993 – Round 3 – Georgiev, Kaloyan – 1/2-1/2 – Akopian, Vladimir – G135 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
It 2005 – Round 8 – Leko, Peter – 1/2-1/2 – Sutovsky, Emil – G21 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 d6 6. Nf3 Nf6 7. O-O O-O 8. Rb1 a5 9. a3 Nd4 10. Nd2 c6
Jakarta / Yogya / Bali 1983 – Round 16 – Andersson, Ulf 1949 – 1/2-1/2 – Jussupow, Artur – G50 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Rb1 a5 7. a3 Nf6 8. Nf3 O-O 9. O-O Bf5 10. b4 axb4
Johannesburg 1981 – Round 1 – Andersson, Ulf 1949 – 1-0 – Nunn, John D M – G7 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. d3 e5 8. Rb1 a5 9. a3 Nd4 10. b4 axb4
Lindores Abbey Tal Memorial 2021 – Round 14.2 – Caruana, Fabiano – 1/2-1/2 – Onischuk, Vasilisa – G600 1. c4 d6 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nf6 5. d3 O-O 6. Nf3 e5 7. O-O Nc6 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
Manila Interzonal 1990 – Round 8 – Vaganian, Rafael A – 0-1 – Lautier, Joel – G144 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. Nc3 d6 6. O-O e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
Tata Steel India Blitz 2022 – Round 11.5 – Praggnanandhaa R – 1/2-1/2 – Mamedyarov, Shakhriyar – G53 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
World Blitz 2015 – Round 16.56 – Bezold, Michael – 0-1 – Akopian, Vladimir – G1021 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
World Blitz 2016 – Round 21.5 – Nakamura, Hikaru – 1-0 – Artemiev, Vladislav – G843 1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 g6 5. d3 Bg7 6. Rb1 a5 7. Nf3 O-O 8. O-O d6 9. a3 Re8 10. Bg5 h6
World Blitz 2021 – Round 8.19 – Petrosian, Tigran L. – 0-1 – Mamedov, Rauf – G454 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. c4 e5 7. Nc3 Nc6 8. Rb1 a5 9. a3 Re8 10. Bg5 h6
World Blitz 2022 – Round 20.59 – Puranik, Abhimanyu – 0-1 – Asadli, Vugar – G1086 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d3 Nc6 8. Rb1 a5 9. a3 Nd4 10. Nxd4 exd4
World Blitz Final 2012 – Round 12 – Kotsur, Pavel – 0-1 – Mamedyarov, Shakhriyar – G86 1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Nc6 5. d3 Nf6 6. Nf3 O-O 7. O-O d6 8. Rb1 a5 9. a3 Re8 10. Nd2 Be6
World Blitz Final 2012 – Round 8 – Topalov, Veselin – 1/2-1/2 – Mamedyarov, Shakhriyar – G62 1. Nf3 g6 2. c4 Bg7 3. g3 e5 4. Nc3 Nc6 5. Bg2 d6 6. d3 Nf6 7. O-O O-O 8. Rb1 a5 9. a3 Re8 10. b4 axb4

A26t — Closed

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5 9.a3

Eval: [+0.14]

Les coups candidats

9…h6 — 41.9% (1856 parties) →

Ambassadeurs : Kovacs, Arthur Dr. (7x), De Coverly, Roger D (7x), Zapata, Alonso (7x), Piket, Jeroen (6x), Heinl, Achim (6x), Hickl, Joerg (6x), Roosen, Holger (6x), Foisor, Cristina-Adela (5x)

9…Re8 — 20.6% (914 parties)

Ambassadeurs : Akopian, Vladimir (8x), Van Hoolandt, Patrick (5x), Sarno, Spartaco (5x), Ernst, Thomas (5x), Grivas, Efstratios (4x), Scherer, Ralf (4x), Onyshchuk, Volodymyr (4x), Beckemeyer, Werner (3x)

9…Nd4 — 14.3% (631 parties)

Ambassadeurs : Hebden, Mark L (18x), Klundt, Klaus (11x), Andersson, Ulf (8x), Miladinovic, Igor (8x), Nijboer, Friso (6x), Smyslov, Vladimir (3x), Akopian, Vladimir (3x), Keene, Raymond D (3x)

9…Nh5 — 5.6% (247 parties)

Ambassadeurs : Vasiukov, Evgeni (2x), Shatskes, Boris A (2x), Osbun, Erik (2x), Katz, Markus (2x), Anderberg, Peter (2x), Kotov, Alexander (1x), Norby, Peter H. (1x), Matulovic, Milan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…h6	9…Re8	9…Nd4	9…Nh5
<1800	59	39%	15%	7%	7%
1800-2200	1472	40%	18%	11%	8%
2200-2600	2247	45%	23%	17%	4%
2600+	82	30%	39%	22%	—

Évolution par décennie (% des parties)

Décennie	N parties	9…h6	9…Re8	9…Nd4	9…Nh5
1850s	1	—	—	—	—
1950s	15	40%	20%	—	13%
1960s	42	26%	17%	5%	26%
1970s	160	42%	17%	13%	6%
1980s	304	32%	26%	26%	5%
1990s	1021	46%	18%	13%	7%
2000s	1106	47%	17%	11%	5%
2010s	1503	40%	23%	16%	5%
2020s	276	35%	32%	14%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…h6	40%	35%	▼ -4.7%
9…Re8	23%	32%	▲ +9.2%
9…Nd4	16%	14%	▼ -1.5%
9…Nh5	5%	3%	▼ -1.7%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 5 parties
Ju, Wenjun — 3 parties
Tal, Mikhail — 2 parties
Ding, Liren — 2 parties
Kasparov, Garry — 1 partie
Karpov, Anatoly — 1 partie
Kramnik, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Gukesh D — 1 partie

Parties historiques

9…h6 — 41.9% (1856 parties)

1955 — Pilnik, Herman vs Najdorf, Miguel — 1/2-1/2 — Goteborg SWE
1955 — Palermo, Vicente vs Idigoras, Gregorio — 0-1 — Buenos Aires ARG
1955 — Behrensen, Jorge vs Najdorf, Miguel — 1/2-1/2 — Buenos Aires ARG
1956 — Pachman, Ludek vs Najdorf, Miguel — 1/2-1/2 — Moscow RUS
1957 — Behrensen, Joern vs Wexler, Bernardo — 1/2-1/2 — Mar del Plata ARG

9…Re8 — 20.6% (914 parties)

1957 — Stolyar, E. vs Bannik, Anatolij — 1/2-1/2 — Moskou ch-URS
1957 — Petrosian, Tigran V. vs Keres, Paul Petrovich — 1/2-1/2 — Moskou ch-URS
1957 — Franz, Joachim vs Bogdanovic, Rajko — 0-1 — Szczawno Zdroj
1960 — Rotstein, Jefim vs Bannik, Anatolij — 1/2-1/2 — Kiev UKR
1961 — Milic Dobos, Simun vs Gligoric, Sofija — 1/2-1/2 — Belgrade SRB

9…Nd4 — 14.3% (631 parties)

1968 — Aijala, Jorma vs Wright, Daniel — 1-0 — Ybbs
1968 — Arnaudov, Petar vs Huebner, Robert — 0-1 — Ybbs
1971 — Behnke, Prof.Dr.H vs Peric, Slavisa — 0-1 — BRD ch corr
1976 — Andersson, Ulf vs Gulko, Boris — 1/2-1/2 — Cienfuegos City CUB
1976 — Huebner, Robert vs Smyslov, Vasily — 1/2-1/2 — Solingen GER

9…Nh5 — 5.6% (247 parties)

1956 — Siladi, Dominik vs De Greiff, B. — 0-1 — Moscow RUS
1959 — Rotstein, Jefim vs Zurakhov, Vladlen Y — 1/2-1/2 — Kiev UKR
1960 — Ahman Ernst vs Raisa, Unto — 1/2-1/2 — Budapest HUN
1961 — Shatskes, Boris A vs Vasiukov, Evgeni — 1/2-1/2 — Moscow RUS
1962 — Kotov, Alexander vs Vasiukov, Evgeni — 0-1 — Kislovodsk

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