E19h — Queen’s Indian: Old Main Line, 9.Qxc3 f5 10.b3

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 Nxc3 9.Qxc3 f5 10.b3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte c4, case forte d4, case forte f4, case forte e5, case forte g5, paire de fous.
Problèmes : Bc1 enfermé, Bg2 enfermé.
Plans :
● Be3 — Développer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, case forte f5, Bb7 actif, Be7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Plans :
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...d6 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E19h — Old Main Line

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 Nxc3 9.Qxc3 f5 10.b3

Eval: [+0.11]

Les coups candidats

10…Bf6 — 86.8% (726 parties)

Ambassadeurs : Noble, Mark Frederick (5x), Benko, Pal (4x), Reshevsky, Samuel (4x), Pirc, Vasja (4x), Hort, Vlastimil (4x), Boleslavsky, Isaac (3x), Blatny, Frantisek (3x), Darga, Klaus (3x)

10…d6 — 7.3% (61 parties)

Ambassadeurs : Levin, Jerome A (1x), Yanofsky, Daniel Abraham (1x), Sajtar, Jaroslav (1x), Podgorny, Jiri (1x), Nadeau, Paul (1x), Anderson, Frank Ross (1x), Darga, Klaus (1x), Osmanagic, Dusan (1x)

10…a5 — 1.9% (16 parties)

Ambassadeurs : Abramovic, Bosko (2x), Lechtynsky, Jiri (2x), Belavenets, Sergey (1x), Makogonov, Vladimir (1x), Chekhover, Vitaly (1x), Yudovich, Mikhail M (1x), Donner, Jan-Hein (1x), Ilivitsky, Georgy A (1x)

10…Qe8 — 1.4% (12 parties)

Ambassadeurs : Ivkov, Borislav (2x), Matanovic, Aleksandar (2x), Pirc Salamon, Hubert (2x), Stark, Martin Charles (1x), Santasiere, Anthony (1x), Filip, Miroslav (1x), Bobekov P (1x), Gruenfeld, Leo (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Bf6	10…d6	10…a5	10…Qe8
<1800	12	83%	8%	—	—
1800-2200	237	84%	14%	0%	1%
2200-2600	285	89%	4%	4%	1%
2600+	15	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10…Bf6	10…d6	10…a5	10…Qe8
1920s	1	—	—	—	—
1930s	7	29%	—	29%	—
1940s	20	75%	15%	—	5%
1950s	47	77%	6%	6%	9%
1960s	63	86%	8%	—	5%
1970s	66	88%	8%	—	—
1980s	90	94%	3%	—	1%
1990s	138	88%	7%	3%	—
2000s	166	90%	5%	2%	—
2010s	213	86%	11%	1%	1%
2020s	25	88%	4%	—	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Bf6	86%	88%	▲ +2.1%
10…d6	11%	4%	▼ -6.8%
10…a5	1%	0%	▼ -1.4%
10…Qe8	1%	4%	▲ +3.1%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 4 parties
Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 1 partie
Euwe, Max — 1 partie

Parties historiques

10…Bf6 — 86.8% (726 parties)

1938 — Mazel, Isaak Y vs Rovner, Dmitry — 1/2-1/2 — Leningrad RUS
1939 — Roux Cabral, Luis vs Opsahl, Haakon — 1/2-1/2 — Buenos Aires ARG
1940 — Polland David vs Reshevsky, Samuel — 0-1 — New York, NY USA
1941 — Reshevsky, Samuel vs Horowitz, Albert Israel — 1/2-1/2 — New York, NY USA
1941 — Brunet, Philip vs Yanofsky, Daniel Abraham — 0-1 — Canada ch Winnipeg

10…d6 — 7.3% (61 parties)

1942 — Levin, Jerome A vs Yanofsky, Daniel Abraham — 1-0 — Ventnor City
1945 — Sajtar, Jaroslav vs Podgorny, Jiri — 0-1 — Zlin CZE
1946 — Nadeau, Paul vs Anderson, Frank Ross — 0-1 — Toronto CAN
1951 — Baron, Samuel vs Smith, Kenneth — 0-1 — Fort Worth, TX USA
1951 — Hajtun, Jozsef vs Gracs, Pal — 1-0 — Budapest HUN

10…a5 — 1.9% (16 parties)

1934 — Belavenets, Sergey vs Makogonov, Vladimir — 1/2-1/2 — Leningrad ch-URS
1934 — Chekhover, Vitaly vs Yudovich, Mikhail M — 1/2-1/2 — Leningrad ch-URS
1952 — Pirc Salamon, Hubert vs Stoltz, De Raven — 1/2-1/2 — Belgrade Belgrade YUG
1955 — Donner, Jan-Hein vs Ilivitsky, Georgy A — 1/2-1/2 — Goteborg SWE
1956 — Matskevich, Avshalom vs Romanovsky, Rem Konstantinovich — 1-0 — Kiev UKR

10…Qe8 — 1.4% (12 parties)

1948 — Stark, Martin Charles vs Santasiere, Anthony — 0-1 — Baltimore, MD USA
1950 — Filip, Miroslav vs Bobekov P — 1/2-1/2 — Prague CZE
1951 — Donner, Jan-Hein vs Pirc, Vasja — 1/2-1/2 — Birmingham ENG
1952 — Gruenfeld, Leo vs Pirc Salamon, Hubert — 1/2-1/2 — Belgrade SRB
1952 — Germek, Nikolay vs Pirc Salamon, Hubert — 1/2-1/2 — Belgrade SRB

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● e6→f5, a7→b6, c7→b6, d7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c4 (2v0), ● d4 (2v0), ● f4 (2v0), ● e5 (2v0), ● g5 (2v1)	● e4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (2v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 7)
Bg2	● Bg2 Enfermé (mob. 2)
Bb7		● Bb7 Actif (mob. 6)
Be7		● Be7 Actif (mob. 7)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, 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, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f5-f4

Partie
? 1977 – Round 2 – Polugaevsky, Lev – 0-1 – Korchnoi, Viktor – G1 1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1927 Kecskemet II – Round 1 – Przepiorka, Dawid – 0-1 – Ahues, Carl – G5 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Nc6
1930 San Remo – Round 1 – Vidmar, Milan Sr – 1-0 – Colle, Edgar – G52 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 c5
1930 San Remo – Round 10 – Vidmar, Milan Sr – 1-0 – Colle, Edgar – G105 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 c5
1934 Leningrad ch-URS – Round 1 – Belavenets, Sergey – 1/2-1/2 – Makogonov, Vladimir – G77 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 a5
1934 Leningrad ch-URS – Round 1 – Chekhover, Vitaly – 1/2-1/2 – Yudovich, Mikhail M – G78 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 a5
1938 Trade Unions – Round 4 – Mazel, Isaak Y – 1/2-1/2 – Rovner, Dmitry – G40 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O f5 10. b3 Bf6
1941 New York – Round 15 – Reshevsky, Samuel – 1/2-1/2 – Horowitz, Albert Israel – G30 1. c4 Nf6 2. Nf3 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1942 Ventnor City – Round 3 – Levin, Jerome A – 1-0 – Yanofsky, Daniel Abraham – G10 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 d6
1942 Ventnor City – Round 8 – Shainswit, George – 1/2-1/2 – Yanofsky, Daniel Abraham – G27 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1944 ch – Round 15 – Opocensky, Karel – 1-0 – Prucha, Karel – G12 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. d4 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O f5 10. b3 Be4
1948 Karlovy Vary – Round 18 – Pirc, Vasja – 1-0 – Golombek, Harry – G170 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1948 Karlovy Vary – Round 3 – Podgorny, Jiri – 1-0 – Golombek, Harry – G37 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. O-O Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1948 Karlovy Vary – Round 5 – Podgorny, Jiri – 1-0 – Gawlikowski, Stanislaw – G56 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O f5 10. b3 Bf6
1948 Moskou ch-URS – Round 6 – Kholmov, Ratmir D – 1-0 – Levenfish, Grigory – G55 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1948 Nijmegen – Round 7 – Kramer, Haije – 1-0 – Baay, Jacob – G20 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1948 US Open – Round 11 – Stark, Martin Charles – 0-1 – Santasiere, Anthony – G58 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O f5 10. b3 Qe8
1950 Amsterdam – Round 4 – Kramer, Hanspeter – 0-1 – Pirc, Vasja – G59 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1950 Interzonal – Round 9 – Rellstab, Ludwig – 1/2-1/2 – Pfeiffer, Gerhard – G14 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1950 Moskou ch-URS – Round 1 – Sokolsky, Alexey – 1/2-1/2 – Boleslavsky, Isaac – G52 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1951 Hungary Ch – Round 12 – Hajtun, Jozsef – 1-0 – Gracs, Pal – G55 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 d6
1951 Madrid ESP – Round 4 – Giustolisi, Alberto – 1/2-1/2 – Medina-Garcia, Antonio – G9 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1951 Moskou ch-URS – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Bronstein, David I – G66 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1951 Staunton Memorial – Round 1 – Donner, Jan-Hein – 1/2-1/2 – Pirc, Vasja – G5 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Qe8
1952 Havana – Round 22 – Toran Albero, Roman – 1/2-1/2 – Rossolimo, Nicolas – G156 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O f5 10. b3 Bf6
1953 Candidats Tournament – Round 25 – Boleslavsky, Isaac – 1/2-1/2 – Taimanov, Mark E – G163 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1954 Olympiad final A – Round 1 – Pirc, Vasja – 1/2-1/2 – Euwe, Max – G91 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1955 Gothenburg Interzonal – Round 4 – Donner, Jan-Hein – 1/2-1/2 – Ilivitsky, Georgy A – G33 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 a5
1956 Moscow olm fin-A – Round 1 – Najdorf, Miguel – 1/2-1/2 – Gligorić, Svetozar – G7 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1956 Moscow olm prel – Round 5 – Larsen, Benjamin Holsko – 1-0 – Zhugder – G170 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1956 URS Ch sf – Round ? – Matskevich, Avshalom – 1/2-1/2 – Kholmov, Ratmir D – G51 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. O-O Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1957 CSR Ch – Round 12 – Ujtelky, Maximilian – 1/2-1/2 – Kozma, Julius – G49 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Qc8
1957 CSR-ITA Prague CZE – Round 1 – Staldi, Cherubino – 1/2-1/2 – Blatny, Frantisek – G4 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1957 Dallas – Round 1 – Najdorf, Miguel – 0-1 – Reshevsky, Samuel – G14 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1958 Munich olm fin-A – Round 11 – Eliskases, Erich – 1/2-1/2 – Filip, Miroslav – G55 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1958 Portoroz Interzonal – Round 18 – Benko, Pal – 1/2-1/2 – Filip, Marius Liviu – G168 1. c4 Nf6 2. g3 e6 3. Nf3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1958 UKR Ch – Round 13 – Kots, Yuri I – 1/2-1/2 – Levin Godoy, Matias Bastian – G58 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1958 YUG Ch sf – Round 7 – Bajec, Ivo – 1/2-1/2 – Sokolov, Vladimir – G21 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1960 CSR Ch – Round 5 – Prucha, Karel – 1/2-1/2 – Blatny, Frantisek – G40 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1961 CSR Ch – Round 1 – Skacel, Jan – 1/2-1/2 – Ratolistka, Josef – G3 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1962 Clare Benedict Cup 09th – Round 1 – Darga, Klaus – 1-0 – Kupper, Josef – G1 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1962 Sarajevo – Round 1 – Darga, Klaus – 1/2-1/2 – Osmanagic, Dusan – G1 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 d6
1962 Sarajevo – Round 11 – Ivkov, Borislav – 1-0 – Rejfir, Josef – G59 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1962 Sarajevo – Round 6 – Rejfir, Josef – 0-1 – Trifunovic, Petar – G37 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1963 Alekhine Memorial – Round 3 – Smyslov, Vladimir – 1/2-1/2 – Matanovic, Anto – G17 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Qe8
1963 Enschede zt – Round 16 – Darga, Klaus – 1/2-1/2 – Kupper, Josef – G77 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1963 Halle zt – Round 1 – Minev, Nikolay N – 1/2-1/2 – Johansson Rexner, Melker – G38 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1963 Reggio Emilia 6364 06th – Round 10 – Barcza, Gedeon – 1-0 – Trincardi, Tullio – G34 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 e6 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1965 HUN Ch 21th – Round ? – Bilek, Istvan – 1/2-1/2 – Portisch, Lajos – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1966 Malmo – Round 7 – Horberg, Bengt-Eric – 1/2-1/2 – Bech Johansson, Amadeus – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1967 IBM – Round 11 – Moiseev, Oleg – 1/2-1/2 – Zuidema, Coen – G39 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1967 Maribor – Round 5 – Ivkov, Borislav – 1/2-1/2 – Matanovic, Aleksandar – G31 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Qe8
1968 Hoogovens – Round 14 – Bobotsov, Milko G – 1/2-1/2 – Padevsky, Nikola – G120 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O f5 10. b3 Bf6
1968 Palma de Mallorca – Round 1 – Pomar Salamanca, Arturo – 1/2-1/2 – Korchnoi, Viktor – G5 1. d4 Nf6 2. c4 b6 3. Nf3 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1968 Palma de Mallorca – Round 16 – Pomar Salamanca, Arturo – 1/2-1/2 – Korchnoi, Viktor – G140 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1969 Vrsac – Round 4 – Ivkov, Borislav – 1/2-1/2 – Matanovic, Aleksandar – G30 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Qe8
1969 YUG Ch 24th – Round 15 – Bertok, Mario Jr. – 1/2-1/2 – Bukic, Enver – G53 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
Hoogovens 1978 – Round 11 – Miles, Anthony J – 0-1 – Korchnoi, Viktor – G26 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. c4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6

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