D34h — QGD Tarrasch: Tarrasch’s Gambit

1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.dxc5 d4 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte f4, case forte g5, avant-poste f4(F), paire de fous, colonne d.
Faiblesses adverses : isolé d4, Be7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé, Bg2 enfermé.
Plans :
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte g4, case forte d5, paire de fous, colonnes c, e.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé, pawn c5 en prise.
Problèmes : Be7 enfermé, Bc8 enfermé, isolé d4.
Plans :
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Rc — Tour sur colonne c
● ...Re — Tour sur colonne e

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D34h — Tarrasch’s Gambit

1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.dxc5 d4

Eval: [+0.60]

Les coups candidats

10.Na4 — 94.9% (608 parties)

Ambassadeurs : Kovalevskaya, Ekaterina (7x), Bolbochan, J. (4x), Horowitz, Albert Israel (4x), Denker, Arnold S (3x), Michel, Paul (3x), Guimard, Carlos E (3x), Piazzini, Luis (3x), Gerusel, Mathias (3x)

10.Nb5 — 4.8% (31 parties)

Ambassadeurs : Ragozin, Viacheslav (1x), Vasiliev, Vladimir P. (1x), Salas Romo, Julio (1x), Feigin, M. (1x), Vidmar, Milan Sr (1x), Dyckhoff, Dr Eduard (1x), Vidmar, Marjeta (1x), Maroczy, Geza (1x)

10.Nb1 — 0.3% (2 parties)

Ambassadeurs : Pavillon, Guillaume (1x), Tillet, Louis-Juan (1x), Papakonstantinou, Di2 (1x), Roinos, Ilias (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Na4	10.Nb5	10.Nb1
<1800	3	100%	—	—
1800-2200	173	91%	8%	1%
2200-2600	264	98%	2%	—
2600+	4	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10.Na4	10.Nb5	10.Nb1
1920s	1	100%	—	—
1930s	36	89%	11%	—
1940s	16	88%	12%	—
1950s	23	100%	—	—
1960s	31	97%	3%	—
1970s	47	100%	—	—
1980s	52	98%	2%	—
1990s	85	94%	6%	—
2000s	148	93%	6%	1%
2010s	186	95%	5%	1%
2020s	16	100%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Na4	95%	100%	▲ +5.4%
10.Nb5	5%	0%	▼ -4.8%
10.Nb1	1%	0%	▼ -0.5%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 1 partie
Karpov, Aleksandr — 1 partie

Parties historiques

10.Na4 — 94.9% (608 parties)

1928 — Reti, Richard vs Johner, Paul — 1/2-1/2 — It BSG Berlin GER
1930 — Batik, Frantisek vs Dyckhoff, Eduard — 0-1 — corr 1930-31
1931 — Zamikhovsky, Abram vs Sozin, Veniamin — 1-0 — USSR
1932 — Bogoljubow, Efim vs Maroczy, Geza — 0-1 — Bad Sliac
1933 — Speijer, Abraham vs Van Foreest, Dirk — 1-0 — NED

10.Nb5 — 4.8% (31 parties)

1931 — Colle, Edgar vs Alekhine, Alexander — 0-1 — Bled SLO
1932 — Vidmar, Marjeta vs Maroczy, Geza — 1/2-1/2 — Bad Sliac
1936 — Vidmar, Milan Sr vs Dyckhoff, Dr Eduard — 1/2-1/2 — Mednarodni turnir
1939 — Salas Romo, Julio vs Feigin, M. — 0-1 — Buenos Aires ol pr-B
1944 — Fuentes Gonzalez, Juan Manuel vs Medina-Garcia, Antonio — 0-1 — Madrid ESP

10.Nb1 — 0.3% (2 parties)

2009 — Pavillon, Guillaume vs Tillet, Louis-Juan — 0-1 — La Fere FRA
2016 — Papakonstantinou, Di2 vs Roinos, Ilias — 1-0 — Halkidiki GRE

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	● d4
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	—
Passés	—	—
Majorité	● aile_dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● g5 (2v0)	● g4 (2v0), ● d5 (2v1)
Cases faibles	● d4	—
Centre	—	● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c, ● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Be7		● Be7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e2-e3, ● e2-e4	—

Partie
1928 It BSG Berlin GER – Round 6 – Reti, Richard – 1/2-1/2 – Johner, Paul – G27 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c5 7. cxd5 exd5 8. Nc3 Nc6 9. dxc5 d4 10. Na4 Re8
1931 Bled – Round 1 – Colle, Edgar – 0-1 – Alekhine, Alexander – G34 1. d4 d5 2. Nf3 c5 3. c4 e6 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Nb5 Bxc5
1932 Bad Sliac – Round 1 – Bogoljubow, Efim – 0-1 – Maroczy, Geza – G16 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1932 Bad Sliac – Round 1 – Vidmar, Marjeta – 1/2-1/2 – Maroczy, Geza – G22 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3 O-O 9. dxc5 d4 10. Nb5 Bxc5
1935 Argentina – Round 12 – Grau, Roberto G – 1/2-1/2 – Piazzini, Luis – G12 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1935 BCF Ch 28th – Round 7 – Winter, William – 1-0 – Tylor, Theodore Henry – G17 1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Nf3 c5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1935 Warsaw ol Warsaw POL – Round 11 – Bolbochan, J. – 1-0 – Friedemann, Gunnar – G18 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1936 Hastings3637 – Round 9 – Fine, Richard Alvaro Adrien – 1/2-1/2 – Vidmar, Marjeta – G39 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Nc3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1936 Mar del Plata – Round 11 – Vinuesa, Juan – 1-0 – Piazzini, Luis – G75 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1936 New York ch-USA – Round 9 – Kevitz, Alexander – 1-0 – Horowitz, Albert Israel – G23 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1936 Trebitsch mem19 – Round 1 – Weinstock, Karl – 1-0 – Michel, Paul – G1 1. d4 d5 2. Nf3 e6 3. c4 c5 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1936 Trebitsch Memorial 19th – Round 11 – Friedmann Henryk – 1-0 – Michel, Paul – G22 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1938 FRA Ch – Round 6 – Bergraser, Volf – 1/2-1/2 – Anglares, E. – G15 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1938 USA Ch – Round 12 – Dake, Arthur William – 0-1 – Horowitz, Albert Israel – G34 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1938 USA Ch fin-A – Round 1 – Blumin, B. – 1-0 – Horowitz, Albert Israel – G2 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1939 Buenos Aires ol prel-B – Round 4 – Hounie Fleurquin, Carlos – 1/2-1/2 – Michel, Pascal – G14 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1939 Buenos Aires ol prel-B – Round 6 – Salas Romo, Julio – 0-1 – Feigin, M. – G20 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Nb5 Bxc5
1941 Mar del Plata – Round 11 – Bolbochan, J. – 1/2-1/2 – Guimard, Carlos E – G88 1. c4 e6 2. Nf3 d5 3. d4 c5 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1941 New York State CA – Round 10 – Cruz, Walter – 0-1 – Denker, Arnold S – G23 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1942 Mar del Plata – Round 12 – Canepa, Jose – 0-1 – Guimard, Carlos E – G97 1. d4 d5 2. Nf3 e6 3. c4 c5 4. Nc3 Nc6 5. cxd5 exd5 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1944 Mar del Plata – Round 8 – Iliesco, Juan – 0-1 – Guimard, Carlos E – G72 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. O-O Nf6 6. c4 Be7 7. Nc3 O-O 8. cxd5 exd5 9. dxc5 d4 10. Na4 Bf5
1948 Berlin GER – Round 13 – Kirchhammer, Rudolf – 0-1 – Richter, Kurt P – G12 1. d4 d5 2. Nf3 c5 3. c4 e6 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1948 Mar del Plata – Round 17 – Bolbochan, J. – 1/2-1/2 – Denker, Arnold S – G139 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1948 Moskou ch-URS – Round 4 – Ragozin, Viacheslav – 1/2-1/2 – Konstantinopolsky, Alexander – G41 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. g3 O-O 6. Bg2 c5 7. cxd5 exd5 8. O-O Nc6 9. dxc5 d4 10. Na4 Bf5
1948 Saltsjobaden Interzonal – Round 17 – Pachman, Ludek – 1-0 – Stoltz, Gabriel – G151 1. d4 d5 2. Nf3 e6 3. c4 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. Nc3 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1950 Mar del Plata – Round 16 – Marini, Liam – 0-1 – Michel, Pascal – G132 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1951 Budapest HUN – Round ? – Kardos, E – 0-1 – Honfi, Karoly – G1 1. c4 e6 2. d4 d5 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1952 POL-ch10 – Round 4 – Szapiel, Henryk – 1/2-1/2 – Gawlikowski, Stanislaw – G25 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1952 Saltsjobaden Interzonal – Round 12 – Averbakh, Yuri L – 1-0 – Steiner, Heinrich Jun. – G109 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1952 USA Ch playoff – Round 13 – Evans, Larry M – 1-0 – Steiner, Herman – G9 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1952 USA Ch playoff – Round 9 – Evans, Larry M – 1/2-1/2 – Steiner, Herman – G6 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 b5
1954 RSFSR Ch – Round ? – Grechkin, Dmitry M – 1-0 – Polugaevsky, Lev – G5 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3 O-O 9. dxc5 d4 10. Na4 Bf5
1954 URS Team Ch – Round 9 – Tolush, Alexander V – 1-0 – Khavin, Abram Leonidovich – G152 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3 O-O 9. dxc5 d4 10. Na4 Bf5
1956 Moscow olm fin-A – Round 9 – Geller, Efim P – 1-0 – Enevoldsen, Jens – G143 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Be6
1956 Moscow olm fin-B – Round 2 – Lokvenc, Josef – 1/2-1/2 – Rojahn, Ernst – G13 1. d4 d5 2. Nf3 c5 3. c4 e6 4. cxd5 exd5 5. g3 Nf6 6. Bg2 Nc6 7. O-O Be7 8. Nc3 O-O 9. dxc5 d4 10. Na4 Bg4
1957 Marshall CC Ch 5657 – Round 4 – Winters, S – 1/2-1/2 – Lasker, Edward – G1 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1957 URS Ch, semi final – Round 1 – Kikiani, Tamaz – 1/2-1/2 – Aronin, Lev – G18 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1959 HUN Ch Budapest HUN – Round 4 – Foldi, Jozsef – 1/2-1/2 – Honfi, Karoly – G15 1. c4 c5 2. Nf3 Nf6 3. g3 e6 4. Bg2 d5 5. O-O Nc6 6. cxd5 exd5 7. d4 Be7 8. Nc3 O-O 9. dxc5 d4 10. Na4 Bf5
1959 Mar del Plata – Round 1 – Ivkov, Borislav – 1-0 – Emma, Jaime – G22 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1960 Leipzig olm prel – Round 1 – Gligorić, Svetozar – 1/2-1/2 – Padevsky, Nikola – G4 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1960 Nimzowitsch Memorial – Round ? – Hamann, Svend – 1-0 – Enevoldsen, Jens – G30 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1961 Rheda ch OWL – Round 2 – Groenegress, Wilfried – 0-1 – Oestreich, Reinhard – G3 1. d4 e6 2. c4 d5 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1962 Poznan ch POL – Round 11 – Drozd, Ryszard – 1-0 – Grabczewski, Romuald – G66 1. d4 d5 2. c4 e6 3. Nf3 c5 4. Nc3 Nc6 5. cxd5 exd5 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1963 Budapest HUN – Round 1 – Forintos, Gyozo V – 1/2-1/2 – Honfi, K. – G2 1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 e6 5. Nf3 d5 6. cxd5 exd5 7. d4 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1964 Capablanca Memorial – Round 12 – Evans, Larry M – 1-0 – Wade, Robert G – G114 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1964 Capablanca Memorial – Round 20 – Udovcic, Mijo – 1-0 – Bielicki, Carlos – G194 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O c5 6. d4 Nc6 7. cxd5 exd5 8. Nc3 O-O 9. dxc5 d4 10. Na4 Bf5
1964 Reykjavik – Round 4 – Bjornsson, Thorarinn – 1/2-1/2 – Wade, Robert G – G23 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1965 Capablanca Memorial – Round 18 – Haro Garcia, Gilberto – 0-1 – Wade, Robert G – G181 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1965 Corr – Round ? – Bergraser, Volf – 1-0 – Krausz, Otto – G1 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1965 WchT U26 12. fin-A – Round 9 – Sorensen, Bent – 0-1 – Plachetka, Jan – G53 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1966 Tbilisi ch-URS – Round 13 – Kholmov, Ratmir D – 1/2-1/2 – Nikolaevsky, Yuri V – G118 1. Nf3 d5 2. c4 e6 3. d4 c5 4. cxd5 exd5 5. Nc3 Nf6 6. g3 Nc6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Nb5 Bxc5
1966 WchT U26 fin-A 13th – Round 6 – Gulko, Boris – 1-0 – Kolbak, Jens – G17 1. g3 d5 2. Nf3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O e6 6. c4 Be7 7. cxd5 exd5 8. Nc3 O-O 9. dxc5 d4 10. Na4 Bf5
1967 Halle zt – Round 9 – Gerusel, Mathias – 1-0 – Aguilar Petersen, Martin Alejandro – G35 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5
1967 Mar del Plata Open – Round 8 – Benko, Francisco – 1/2-1/2 – Gerschman, J. – G29 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c5 5. cxd5 exd5 6. O-O Be7 7. d4 O-O 8. Nc3 Nc6 9. dxc5 d4 10. Na4 Bf5
1969 Capablanca Memorial – Round 6 – Cobo Arteaga, Eldis – 1/2-1/2 – Abreu Rodriguez, Juan Luis – G43 1. d4 d5 2. Nf3 e6 3. c4 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. Nc3 Be7 8. O-O O-O 9. dxc5 d4 10. Na4 Bf5

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