A14l — English: Neo-Catalan Declined, 5…O-O 6.b3 b6 7.Bb2 Bb7 8.e3

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 b6 7.Bb2 Bb7 8.e3 *   ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bQ
bR
bK
bP
bB
bP
bB
bP
bP
bP
bP
bP
bN
bP
Case forte (2v0)
wP
Case forte (3v0)
Case forte (2v0)
wP
wPPion central
wN
wP
wP
wBFou actif — mobilité 6
wP
wP
wB
wP
wR
wN
wQ
wR
wK
abcdefgh
Atouts. Les Blancs s'appuient sur les cases fortes d4, f4 et e5, un fou actif en b2 et la paire de fous.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; h3 (Empêcher ...Bg4) ; d3 (Protéger e4, libérer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wN
wR
wP
wBFou enfermé — mobilité 2
wP
wP
wB
wP
wP
wN
wP
wP
Avant-poste C (accessible)
wP
bP
Avant-poste F (accessible)
bN
bP
bP
bP
bP
bP
bBFou actif — mobilité 4
bP
bB
bP
bK
bR
bQ
bN
bR
hgfedcba
Atouts. Les Noirs s'appuient sur les cases fortes e4 et c5, des avant-postes en e4 et c5, un fou actif en e7 et la paire de fous.

Côté adverse. Le fou enfermé en g2.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...d4 (Rupture).
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● a2→b3, d2→e3, f2→e3, f2→g3, h2→g3, b3→c4 ● e6→d5, a7→b6, c7→b6, f7→e6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● d4 (3v0), ● f4 (2v0), ● e5 (2v0) ● e4 (2v0), ● c5 (2v0)
Cases faibles
Centre ● d4 (3v0), ● e5 (2v0) ● d5 (4v1), ● e4 (2v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bb2 ● Bb2 Actif (mob. 6)
Bg2 ● Bg2 Enfermé (mob. 2)
Bb7 ● Bb7 Ok (mob. 3)
Be7 ● Be7 Actif (mob. 4)
Paire de fous ● Oui ● Oui
Non développées 2 (b1, a1) 2 (b8, a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Roqué
Droits de roque
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre semi-ouvert
Ruptures ● c4-c5, ● d2-d3, ● e3-e4 ● …c7-c6, ● …c7-c5, ● …d5-d4, ● …e6-e5
Partie
1956 Alekhine Memorial – Round 1 – Botvinnik, Mikhail – 1-0 – Stahlberg, Gideon – G6
1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Qe2 a5 10. Nc3 Ne4
1956 URS Ch sf – Round ? – Ragozin, Viacheslav – 1/2-1/2 – Lisitsin, Georgy – G140
1. Nf3 Nf6 2. g3 e6 3. Bg2 b6 4. c4 Bb7 5. b3 Be7 6. Bb2 d5 7. O-O O-O 8. e3 c5 9. Qe2 Nc6 10. d4 dxc4
1965 Mar del Plata – Round 1 – Acosta Garcia, Rafael Isaac – 1-0 – Bielicki, Carlos – G12
1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. e3 Nbd7 9. Nc3 a6 10. cxd5 exd5
1965 Mar del Plata – Round 13 – Najdorf, Miguel – 1-0 – Bielicki, Carlos – G105
1. Nf3 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 O-O 5. O-O d5 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Nc3 c5 10. Qc2 a6
1965 Mar del Plata – Round 4 – Panno, Oscar – 0-1 – Najdorf, Miguel – G36
1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. e3 Nbd7 9. Nc3 a6 10. d4 Bd6
1965 Stevenson Memorial 13th – Round 9 – Keene, Raymond D – 0-1 – Wade, Robert G – G9
1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O Be7 5. c4 O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Nc3 dxc4 10. bxc4 Nc6
1966 Tbilisi ch-URS – Round 13 – Lein, Andreas – 1/2-1/2 – Krogius, Nikolai V – G112
1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Qe2 Nc6 10. Rd1 Qc7
1966 Titovo Uzice – Round 1 – Ree, Hans – 1/2-1/2 – Averbakh, Yuri L – G5
1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Nc3 c5 10. Qe2 Rc8
1968 Monte Carlo – Round 1 – Zinser, Sylvain – 1/2-1/2 – Letzelter, Jean-Claude – G1
1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. d3 Nc6 10. Nc3 Qd7
1968 Monte Carlo – Round 5 – Benko, Pal – 1/2-1/2 – Portisch, Lajos – G29
1. b3 d5 2. Bb2 Nf6 3. Nf3 e6 4. g3 Be7 5. Bg2 O-O 6. O-O b6 7. c4 Bb7 8. e3 c5 9. Qe2 Nc6 10. Rd1 Re8
1968 Rubinstein Memorial – Round 3 – Bilek, Istvan – 1/2-1/2 – Padevsky, Nikola – G24
1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O Be7 5. c4 O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Qe2 Nc6 10. d3 Rc8
1968 SWE Ch – Round 12 – Jansson, Borje – 1/2-1/2 – Ljungquist, Lennart – G46
1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c6 9. Ne5 Nfd7 10. f4 Nxe5
1968 URS Team Ch – Round 1 – Tukmakov, Vladimir B – 1-0 – Kondratiev, Pavel E – G16
1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. b3 O-O 6. Bb2 b6 7. O-O Bb7 8. e3 c5 9. Qe2 Nc6 10. Rd1 Qc7
1969 DSV-Turnier – Round 8 – Mista, Ladislav – 1-0 – Kovacs, Laszlo M – G39
1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Qe2 dxc4 10. bxc4 c5
1969 Liberation – Round 13 – Botvinnik, Mikhail – 1/2-1/2 – Polugaevsky, Lev – G58
1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. e3 c5 9. Qe2 Nbd7 10. Nc3 dxc4
1969 Luhacovice – Round 1 – Mista, Ladislav – 1/2-1/2 – Blatny, Frantisek – G22
1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. b3 d5 7. Bb2 O-O 8. e3 c5 9. Nc3 Nbd7 10. Qe2 Ne4
1969 Moskou ch-URS – Round 1 – Geller, Efim P – 1/2-1/2 – Kholmov, Ratmir D – G210
1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. e3 Nbd7 9. Nc3 Ne4 10. cxd5 Nxc3
1969 Rubinstein Memorial – Round 1 – Jansa, Vlastimil – 1/2-1/2 – Krogius, Nikolai V – G23
1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Nc3 Nbd7 10. Qe2 Re8
1969 Rubinstein Memorial – Round 4 – Schmidt, Waldemar – 1/2-1/2 – Krogius, Nikolai V – G15
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Qe2 Nc6 10. d3 Qc7
1969 Uppsala Open – Round ? – Jansson, Borje – 1-0 – Olsson, Ake – G2
1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Qe2 a5 10. d3 a4
1971 Moscow – Round ? – Gulko, Boris F – 1/2-1/2 – Averbakh, Yuri L – G220
1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Qe2 Nbd7 10. d3 Qc7
20. European Teams 2015 – Round 1.2 – Marin, Mihail – 1/2-1/2 – Kryvoruchko, Yuriy – G30
1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Nc3 Ne4 10. cxd5 Nxc3
4. Norway Blitz 2016 – Round 4.5 – Grandelius, Nils – 1/2-1/2 – Topalov, Veselin – G20
1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Qe2 c5 10. Nc3 a6
41. Olympiad Open 2014 – Round 11.5 – Mamedov, Rauf – 1/2-1/2 – Onischuk, Alexanderexander – G796
1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Nc3 dxc4 10. bxc4 Nc6
41. Olympiad Open 2014 – Round 4.14 – Howell, David W L – 1-0 – Neiksans, Arturs – G254
1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. e3 c5 9. Nc3 Nc6 10. cxd5 Nxd5
5. Norway Blitz 2017 – Round 6.4 – Giri, Anish – 0-1 – So, Wesley – G29
1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Nc3 dxc4 10. bxc4 Nc6
Biel Interzonal 1976 – Round 11 – Csom, Istvan – 1/2-1/2 – Petrosian, Tigran V – G48
1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. e3 c5 9. Nc3 dxc4 10. bxc4 Nc6
Biel Interzonal 1976 – Round 4 – Smejkal, Jan – 1/2-1/2 – Sanguineti, R. – G19
1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. e3 c5 9. Nc3 dxc4 10. bxc4 Nc6
FIDE-Wch k.o. g/25+10 1999 – Round 4.4 – Gelfand, Boris – 1/2-1/2 – Khalifman, Alexander – G43
1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Nc3 dxc4 10. bxc4 Nc6
GCT Blitz Paris 2019 – Round 13.5 – Duda, Jacob – 0-1 – Dubov, Daniil – G65
1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Nc3 c5 10. Qe2 a6
GCT Blitz YourNextMove 2016 – Round 13.3 – Caruana, Fabiano – 1-0 – Aronian, Levon – G63
1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. Bb2 Be7 5. g3 O-O 6. Bg2 b6 7. O-O Bb7 8. e3 dxc4 9. bxc4 c5 10. Qe2 Nc6
Interpolis 1993 – Round 1 – Seirawan, Yasser – 1/2-1/2 – Dorfman, Iossif – G9
1. c4 e6 2. Nf3 d5 3. b3 Be7 4. Bb2 Nf6 5. g3 O-O 6. Bg2 b6 7. O-O Bb7 8. e3 c5 9. Nc3 Ne4 10. cxd5 Nxc3
Linares 1992 – Round 11 – Ljubojevic, Ljubomir – 1-0 – Beliavsky, Alexander G – G41
1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Nc3 Ne4 10. cxd5 Nxc3
Saint Louis Rapid 2022 – Round 2.1 – Nakamura, Hikaru – 0-1 – Firouzja, Alireza – G6
1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 Be7 5. Bb2 O-O 6. g3 b6 7. Bg2 Bb7 8. O-O c5 9. Qe2 Qc8 10. Nc3 Rd8
Tallinn 1973 – Round 11 – Andersson, Ulf 1949 – 1/2-1/2 – Tal, Mikhail – G48
1. Nf3 Nf6 2. c4 e6 3. b3 b6 4. g3 Bb7 5. Bg2 Be7 6. Bb2 O-O 7. O-O d5 8. e3 c5 9. Qe2 Nc6 10. Rd1 Qd7
USA Ch 2016 – Round 9.4 – Robson, Ray – 1/2-1/2 – Shankland, Sam – G51
1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. b3 O-O 6. Bb2 b6 7. c4 Bb7 8. e3 c5 9. Nc3 Qc8 10. Rc1 Rd8
Vugar Gashimov Mem 2015 – Round 9.2 – Caruana, Fabiano – 1/2-1/2 – Anand, Viswanathan – G41
1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Nc3 Nbd7 10. Qe2 Qc7
World Blitz 2016 – Round 12.9 – Anand, Viswanathan – 1/2-1/2 – Wojtaszek, Radoslaw – G503
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Be7 5. Bg2 O-O 6. O-O b6 7. Bb2 Bb7 8. e3 c5 9. Qe2 Nbd7 10. Rd1 Qc7
World Blitz 2018 – Round 13.65 – Gordievsky, Dmitry – 1-0 – Sanal, Vahap – G801
1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. b3 b6 6. Bb2 Bb7 7. c4 O-O 8. e3 Nbd7 9. Nc3 Ne4 10. Ne2 Bf6
World Blitz 2019 – Round 17.55 – Jumabayev, Rinat – 1-0 – Rychagov, Alexander – G1164
1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Nc3 a6 10. cxd5 Nxd5
World Blitz 2019 – Round 8.76 – Gukesh D – 1/2-1/2 – Kovalev, Vladislav – G579
1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. b3 O-O 6. Bb2 b6 7. c4 Bb7 8. e3 dxc4 9. bxc4 c5 10. d3 Nc6
World Blitz 2021 – Round 5.19 – Erigaisi Arjun – 1-0 – Mastrovasilis, Dimitrios – G270
1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. b3 O-O 6. Bb2 b6 7. O-O Bb7 8. e3 dxc4 9. bxc4 c5 10. Qe2 Nc6
World Championship 34th-KK4 1987 – Round nil – Kasparov, Garry – 1-0 – Karpov, Anatoly – G12
1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. b3 Be7 5. Bg2 O-O 6. O-O b6 7. Bb2 Bb7 8. e3 Nbd7 9. Nc3 Ne4 10. Ne2 a5
World ChampionshipCandidates 2011 – Round 1.10 – Kramnik, Vladimir – 1-0 – Radjabov, Teimour – G1
1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. Bb2 Be7 5. g3 O-O 6. Bg2 b6 7. O-O Bb7 8. e3 c5 9. Nc3 Nc6 10. cxd5 Nxd5
World Rapid 2016 – Round 5.10 – Tomashevsky, Evgeny – 1/2-1/2 – Atabayev, Yusup – G168
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Nc3 Nbd7 10. Qe2 Rc8
World Rapid 2019 – Round 10.52 – Fridman, Daniel – 1-0 – Triapishko, Alexandr – G664
1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Nc3 c5 10. Qe2 Ne4
A14l — Neo-Catalan Declined
1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 b6 7.Bb2 Bb7 8.e3
Eval: [+0.11]
Les coups candidats
8…c5 — 53.5% (1452 parties)
Ambassadeurs : Sarno, Spartaco (8x), Contin, Daniel (8x), Drasko, Milan (6x), Espig, Lutz (5x), Haria, Ravi (5x), Panchenko, Alexander N (4x), Petrosian, Arshak B (4x), Knudsen, Per (4x)
8…Nbd7 — 32.0% (867 parties)
Ambassadeurs : Godena, Michele (7x), Dutreeuw, Marc (6x), Contin, Daniel (6x), Koneru, Humpy (6x), Miles, Anthony J (5x), Cosma, Elena-Luminita (5x), Winants, Luc (4x), Hedke, Fred (4x)
8…dxc4 — 11.6% (315 parties)
Ambassadeurs : Bulmaga, Irina (5x), Reschke, Thomas (3x), Nemeth, Miklos (3x), Kojder, Konrad (2x), Pigusov, Evgeny (2x), Contin, Daniel (2x), Sarno, Spartaco (2x), Timman, Jan H (2x)
8…a5 — 1.1% (30 parties)
Ambassadeurs : Kurajica, Bojan (2x), Miles, Anthony J (1x), Hernandez Onna, Roman (1x), Alonso Garcia, Rene Marcial (1x), Hickl, Joerg (1x), Oll, Lembit (1x), Jacobsen, Bo (1x), Jelling, Erik (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…c5 8…Nbd7 8…dxc4 8…a5
<1800 27 52% 44% 4%
1800-2200 575 50% 37% 11% 0%
2200-2600 1833 54% 31% 12% 1%
2600+ 103 54% 33% 10% 2%
Évolution par décennie (% des parties)
Décennie N parties 8…c5 8…Nbd7 8…dxc4 8…a5
1950s 2 50% 50%
1960s 26 58% 35%
1970s 91 64% 25% 7% 1%
1980s 181 54% 29% 10% 2%
1990s 404 52% 35% 9% 2%
2000s 471 51% 37% 10% 0%
2010s 1154 52% 33% 13% 1%
2020s 384 60% 23% 15% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…c5 52% 60% ▲ +7.7%
8…Nbd7 33% 23% ▼ -9.8%
8…dxc4 13% 15% ▲ +2.1%
8…a5 1% 1% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 4 parties
Karpov, Anatoly — 3 parties
Anand, Viswanathan — 3 parties
Botvinnik, Mikhail — 2 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
8…c5 — 53.5% (1452 parties)
1956 — Ragozin, Viacheslav vs Lisitsin, Georgy — 1/2-1/2 — Leningrad RUS
1965 — Keene, Raymond D vs Wade, Robert G — 0-1 — Bognor Regis
1966 — Lein, Andreas vs Krogius, Nikolai V — 1/2-1/2 — Tbilisi ch-URS
1968 — Benko, Pal vs Portisch, Lajos — 1/2-1/2 — Monte Carlo MNC
1968 — Benko, Pal vs Portisch, Lajos — 1/2-1/2 — Monaco MNC
8…Nbd7 — 32.0% (867 parties)
1956 — Botvinnik, Mikhail vs Stahlberg, Gideon — 1-0 — Moscow RUS
1965 — Najdorf, Miguel vs Bielicki, Carlos — 1-0 — Mar del Plata ARG
1965 — Panno, Oscar vs Najdorf, Miguel — 0-1 — Mar del Plata ARG
1965 — Acosta Garcia, Rafael Isaac vs Bielicki, Carlos — 1-0 — Mar del Plata ARG
1966 — Ree, Hans vs Averbakh, Yuri L — 1/2-1/2 — Titovo Uzice
8…dxc4 — 11.6% (315 parties)
1972 — Etruk, Rein T vs Oim, Tonu — 1-0 — Viljandi
1974 — Sigurjonsson, Gudmundur vs Fabbri, Mario — 1-0 — Teesside ENG
1976 — Grigoriou Miltiadis vs Anagnostopoulos, Konstantinos — 0-1 — Athens GRE
1977 — Mirkovic, Slobodan vs Filip, Miroslav — 0-1 — Belgrade SRB
1978 — Arnaudov, Petar vs Trikaliotis, Georgios — 0-1 — Prievidza
8…a5 — 1.1% (30 parties)
1978 — Rajkovic, Dusan vs Kurajica, Bojan — 1/2-1/2 — Belgrade SRB
1980 — Miles, Anthony J vs Kurajica, Bojan — 1-0 — Vrbas
1984 — Hickl, Joerg vs Oll, Lembit — 1/2-1/2 — Kiljava
1988 — Hernandez Onna, Roman vs Alonso Garcia, Rene Marcial — 1/2-1/2 — Camaguey CUB
1989 — Jacobsen, Bo vs Jelling, Erik — 1-0 — Aalborg DEN

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