E19b — Queen’s Indian: Old Main Line, 9.Qxc3 d6

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 d6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte f4, case forte g5, paire de fous.
Faiblesses adverses : arriéré c7, Be7 mauvais fou.
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 : Bb7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : arriéré c7.
Plans :
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c6 — Rupture
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E19b — 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 d6

Eval: [+0.19]

Les coups candidats

10.b3 — 34.6% (350 parties) →

Ambassadeurs : Ivkov, Borislav (9x), Vila Hernández, Carlos (6x), Matanovic, Aleksandar (5x), Ilyasov, Anatoly Fedorovich (4x), Gheorghiu, Florin (3x), Karpov, Aleksandr (3x), Fernández Medina, Etienne (3x), Smyslov, Vladimir (2x)

10.Qc2 — 24.3% (246 parties)

Ambassadeurs : Maderna, Carlos (3x), Najdorf, Miguel (3x), Stohl, Igor (3x), Zakharov, Oleg (3x), Fancsy, Imre (3x), Takacs, Sandor (2x), Denker, Arnold S (2x), Keres, Paul (2x)

10.Rd1 — 14.7% (149 parties)

Ambassadeurs : Kuhlmann, Andreas (2x), Tepe Gastulo, Ricardo (2x), Asztalos, Lajos (1x), Tartakower, Savielly (1x), Lachmann, Hans G (1x), Hoenlinger, Baldur (1x), Rabar, Braslav (1x), Vukovic, Sava (1x)

10.Qd3 — 10.0% (101 parties)

Ambassadeurs : Piotraschke, Jens, Dr. (3x), Eckhardt, Claudia (3x), Gilg, Karl (2x), Rejfir, Josef (2x), Abdulmanov, Eduard Nafikhovich (2x), Keijzer, Ralph M (2x), de la Rosa Solórzano, José Guillermo (2x), Vos, Rik (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.b3	10.Qc2	10.Rd1	10.Qd3
<1800	16	38%	6%	19%	12%
1800-2200	364	32%	20%	19%	9%
2200-2600	397	42%	22%	12%	12%
2600+	13	69%	15%	8%	8%

Évolution par décennie (% des parties)

Décennie	N parties	10.b3	10.Qc2	10.Rd1	10.Qd3
1920s	8	12%	25%	12%	38%
1930s	13	—	69%	—	15%
1940s	37	14%	68%	5%	5%
1950s	34	29%	50%	6%	6%
1960s	45	38%	33%	11%	2%
1970s	51	47%	31%	12%	4%
1980s	40	45%	15%	15%	15%
1990s	92	25%	27%	20%	5%
2000s	198	32%	24%	15%	11%
2010s	342	38%	19%	17%	10%
2020s	151	38%	12%	15%	15%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.b3	38%	38%	+0.1%
10.Qc2	19%	12%	▼ -7.1%
10.Rd1	17%	15%	▼ -2.1%
10.Qd3	10%	15%	▲ +4.3%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 4 parties
Karpov, Aleksandr — 3 parties
Euwe, Max — 1 partie
Alekhine, Alexander — 1 partie
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

10.b3 — 34.6% (350 parties)

1927 — Levay, Sorin vs Rejfir, Josef — 0-1 — Kecskemet II
1940 — Treybal, Karel vs Opocensky, Karel — 0-1 — Rakovnik
1942 — Levin, Jerome A vs Aubry Levy, Leonard — 1/2-1/2 — Ventnor City
1945 — Filipcic, Martin vs Radojcic, Slobodan — 1/2-1/2 — Novi Sad SRB
1949 — Boleslavsky, Isaac vs Chekhover, Vitaly — 1-0 — Odessa UKR

10.Qc2 — 24.3% (246 parties)

1927 — Takacs, Sandor vs Asztalos, Lajos — 0-1 — Kecskemet I
1928 — Takacs, Sandor vs Tartakower, Savielly — 1/2-1/2 — Vienna AUT
1930 — Mueller, Hans vs Landau Salomon — 1-0 — Hamburg olm
1935 — Capdevila Vallve, Jordi vs Fallet Kahn, Victor — 0-1 — Mollet
1936 — May, Desider vs Paroulek, Vit — 1/2-1/2 — Podebrady CZE

10.Rd1 — 14.7% (149 parties)

1925 — Asztalos, Lajos vs Tartakower, Savielly — 1/2-1/2 — Debrecen HUN
1945 — Rabar, Braslav vs Vukovic, Sava — 1/2-1/2 — Novi Sad SRB
1949 — Lachmann, Hans G vs Hoenlinger, Baldur — 0-1 — Bad Salzuflen
1953 — Pollitt, James D vs Franklin Sheunesu Mhembere — 1/2-1/2 — Hastings ch-BCF
1956 — Zobel, Leo vs Mutina, Antonin — 0-1 — CSR-ch sf Bratislava SVK

10.Qd3 — 10.0% (101 parties)

1926 — Gilg, Karl vs Bluemich, Max — 1-0 — Vienna AUT
1926 — Gilg, Karl vs Kmoch, Hans — 1/2-1/2 — Semmering AUT
1927 — Rejfir, Josef vs Thelen, Bedrich — 1-0 — Prague Evony
1931 — Makarczyk, Kazimierz vs Rejfir, Josef — 1-0 — Praag predolympijsky
1937 — Kashdan, Isaac vs Vukovic, Sava — 1-0 — Stockholm SWE

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● c7
Chaînes	● f2→g3, h2→g3	● a7→b6, c7→b6, c7→d6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● f4 (2v0), ● g5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v1)	● d5 (2v1), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bb7		● Bb7 Actif (mob. 6)
Be7		● Be7 Mauvais (mob. 3)
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, ● …d6-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1925 Debrecen – Round 1 – Asztalos, Lajos – 1/2-1/2 – Tartakower, Savielly – G28 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 d6 10. Rd1 Nd7
1926 DSV Kongress – Round 7 – Gilg, Karl – 1-0 – Bluemich, Max – G28 1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 4. g3 e6 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qd3 f5
1926 Semmering – Round 1 – Gilg, Karl – 1/2-1/2 – Kmoch, Hans – G35 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 d6 10. Qd3 c6
1927 Kecskemet I – Round 1 – Takacs, Sandor – 0-1 – Asztalos, Lajos – 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 d6 10. Qc2 Nd7
1927 Prague Evony – Round 1 – Rejfir, Josef – 1-0 – Thelen, Bedrich – G1 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qd3 Qc8
1930 Hamburg olm – Round 1 – Mueller, Hans – 1-0 – Landau Salomon – G56 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 f5
1931 Praag predolympijsky – Round ? – Makarczyk, Kazimierz – 1-0 – Rejfir, Josef – G13 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 d6 10. Qd3 Qc8
1935 Mollet – Round 1 – Capdevila Vallve, Jordi – 0-1 – Fallet Kahn, Victor – G2 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 Qc8
1937 Stockholm SWE – Round 12 – Guimard, Carlos Enrique – 1/2-1/2 – Van Scheltinga, Theo – G54 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 d6 10. Qc2 f5
1937 Stockholm SWE – Round 4 – Kashdan, Isaac – 1-0 – Vukovic, Sava – 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 d6 10. Qd3 f5
1938 I Torneo Magistrale Edoardo Balbontin – Round 6 – Ferrantes, Giovanni – 0-1 – Castaldi, Vincenzo – G4 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O d6 10. Qc2 Nd7
1939 Buenos Aires ol f-A – Round 3 – Alekhine, Alexander – 1/2-1/2 – Keres, Paul – G49 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 d6 10. Qc2 f5
1940 Budapest – Round 1 – Vidmar, Marjeta – 1/2-1/2 – Szabo, Ladislav – 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 d6 10. Qc2 f5
1940 Moskou ch-URS – Round ? – Lilienthal, Andor – 1-0 – Botvinnik, Mikhail – G154 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 d6 10. Qc2 f5
1943 Mar del Plata – Round 3 – Rossetto, Hector – 0-1 – Stahlberg, Gideon – G25 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 d6 10. Ne1 Bxg2
1943 Mar del Plata – Round 5 – Iliesco, Juan – 0-1 – Najdorf, Miguel – G42 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 d6 10. Qc2 Qc8
1943 Mar del Plata – Round 7 – Maderna, Carlos – 0-1 – Bolbochan, J. – G51 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 d6 10. Qc2 f5
1945 Buenos Aires Circulo – Round 7 – Maderna, Carlos – 0-1 – Najdorf, Miguel – G23 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 d6 10. Qc2 f5
1945 Moskou ch-URS – Round 1 – Koblencs, Alexander – 0-1 – Goldberg, Grigory A – G62 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O d6 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 O-O 10. Ne1 Bxg2
1945 Novi Sad – Round 7 – Rabar, Braslav – 1/2-1/2 – Vukovic, Sava – G88 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 d6 10. Rd1 Nd7
1945 Vina del Mar – Round 7 – Guimard, Carlos E – 1-0 – Castillo Larenas, Mariano – G23 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 f5
1946 Groningen – Round 17 – Kottnauer, Cenek – 1-0 – Denker, Arnold S – G72 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 Qc8
1946 Staunton, Groningen NED – Round 2 – Szabo, Ladislav – 0-1 – Denker, Arnold S – G6 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 d6 10. Qc2 Nc6
1946 YUG Ch – Round 8 – Milic, Borislav – 1/2-1/2 – Vukovic, Sava – G13 1. Nf3 Nf6 2. d4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 f5
1947 Mar del Plata – Round 1 – Eliskases, Erich – 1-0 – Rossetto, Hector – G17 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 f5
1947 Sofia Balkaniade – Round 1.4 – Vidmar, Milan Jr – 1/2-1/2 – Urseanu, Beniamin – 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 d6 10. Qc2 f5
1947 URS Ch sf – Round 3 – Petrosian, Tigran A. – 0-1 – Kholmov, Ratmir D – G11 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 d6 10. Qc2 f5
1947 URS Ch sf – Round 6 – Simagin, Vladimir – 1-0 – Kholmov, Ratmir D – G18 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 d6 10. Qd3 f5
1951 Mar del Plata zt – Round 23 – Maderna, Carlos – 1/2-1/2 – Mangini, Jose Henrique de Mello – G229 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 d6 10. Qc2 f5
1951 Schlechter Memorial – Round ? – Mueller, Hans – 1/2-1/2 – Hoenlinger, Baldur – G13 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 d6 10. Qc2 c6
1952 Buenos Aires – Round 1 – Cruz Garibaldi, Milton Esteban – 1/2-1/2 – Foguelman – G20 1. Nf3 Nf6 2. d4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 f5
1952 Buenos Aires – Round 11 – Incutto – 1/2-1/2 – Foguelman – G59 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 d6 10. Qc2 f5
1952 URS ch sf – Round 12 – Ragozin, Viacheslav – 1-0 – Cherepkov, Alexander V – G73 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 d6 10. Qd3 f5
1953 Hastings Premier 1952/53 28th – Round 6 – Golombek, Harry – 1-0 – Penrose, Jonathan – G16 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. g3 e6 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 d6 9. O-O O-O 10. Bf4 Nd7
1953 Mar del Plata – Round 11 – Gligorić, Svetozar – 1-0 – Jauregui, Carlos – G117 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 d6 10. Qc2 f5
1954 CSR Ch – Round 16.8 – Kozma, Julius – 1-0 – Blatny, Frantisek – G138 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 d6 10. Qd3 Nd7
1954 URS-chTJ Coop – Round 1 – Taimanov, M. – 1/2-1/2 – Kortchnoi, V. – G12 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 d6 10. Qc2 f5
1956 CSR Ch – Round 5 – Kozma, Julius – 1/2-1/2 – Blatny, Frantisek – G41 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 d6 10. Qc2 f5
1956 Zittau-A 6th – Round 5 – Moehring, Guenther – 0-1 – Blatny, Frantisek – G19 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 f5
1958 GBR Ch 45th – Round 1.4 – Cafferty, Bernard – 1/2-1/2 – Gibbs, Peter Campbell – 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 d6 10. Qc2 f5
1958 Munich olm fin-B – Round 5 – Larsen, Benjamin Holsko – 0-1 – Porath, Yosef – 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 d6 10. Qc2 f5
1962 Asztalos Memorial 5th – Round 5 – Robatsch, Karl – 1/2-1/2 – Pirc, Vasja – G36 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 d6 10. Qc2 Nd7
1962 Mar del Plata – Round 10 – Panno, Oscar – 1/2-1/2 – Najdorf, Miguel – G86 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 d6 10. Rd1 Nd7
1962 Varna olm – Round 10 – Dunkelblum, Arthur – 1/2-1/2 – Porath, Yosef – G213 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 d6 10. Qc2 f5
1962 Varna olm – Round 7 – Milev, Zdravko – 0-1 – Foguelman, Alberto – 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 d6 10. Be3 Nd7
1965 Capablanca Memorial – Round 10 – Kholmov, Ratmir D – 1/2-1/2 – Smyslov, Vladimir – G99 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 d6 10. Qc2 Qc8
1965 Hastings ch-BCF – Round 5 – Clarke, Paul R H – 1/2-1/2 – Haygarth, Michael J – G56 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 d6 10. Ne1 Bxg2
1965 Pardubice – Round 8 – Petras, Jan – 1/2-1/2 – Pithart, Frantisek – G56 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 d6 10. Qc2 f5
1966 Panamerican – Round ? – Cobo Arteaga, Eldis – 1/2-1/2 – Jimenez Zerquera, Eleazar – G74 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 d6 10. Bf4 Nd7
1966 Santa Monica – Round 11 – Ivkov, Borislav – 1/2-1/2 – Najdorf, Miguel – G48 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 d6 10. Qc2 f5
1966 Santa Monica – Round 13 – Ivkov, Borislav – 1/2-1/2 – Petrosian, Tigran A. – G54 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 d6 10. Qc2 f5
1967 Moscow – Round 1 – Gligorić, Svetozar – 1/2-1/2 – Najdorf, Miguel – 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 d6 10. Qc2 f5
1967 Sofia tt – Round 2 – Kolarov, Atanas Stefanov – 1/2-1/2 – Partos, Charles – G17 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 d6 10. Qd3 f5
1968 Bristol ch-BCF – Round 11 – Perkins, Alan H – 1/2-1/2 – Haygarth, Michael J – G113 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 d6 10. Ne1 Bxg2
1968 Cardenas/Matanzas/Santa Clara – Round 11 – Cobo Arteaga, Eldis – 1/2-1/2 – Garcia Martinez, Silvino – G53 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 d6 10. Qc2 f5
1968 Lugano SUI – Round 3 – Gheorghiu, Florin – 1/2-1/2 – Unzicker, Wolfgang – G65 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Rd1 Nd7
43. Olympiad 2018 – Round 9.6 – Brunello, Sabino – 1/2-1/2 – Kramnik, Vladimir – G614 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 d6 10. Qc2 f5
Bugojno 1978 – Round 8 – Bukic, Enver – 1/2-1/2 – Hort, Vlastimil – G47 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 d6 10. Qc2 Qc8
Lone Pine Open 1978 – Round 8 – Stean, Michael F – 0-1 – Larsen, Bent – G27 1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 f5

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