A53b — Old Indian: Ukrainian, Queenswap, 6.Nf3 Nfd7

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.dxe5 dxe5 5.Qxd8+ Kxd8 6.Nf3 Nfd7 * ○ Trait aux Blancs

Milieu de jeu — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte b5, case forte d5, case forte g5, paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, libère Bf1
● Be3 — Développer Bc1
● h3 — Empêcher ...Bg4
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte c5, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● ...Nc6 — Développer Nb8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Be7 — Développer Bf8
● ...c5 — Rupture
● ...e4 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A53b — Ukrainian Queenswap

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.dxe5 dxe5 5.Qxd8+ Kxd8 6.Nf3 Nfd7

Eval: [+0.29]

Les coups candidats

7.g3 — 25.3% (80 parties)

Ambassadeurs : Boleslavsky, Isaac (3x), Lilienthal, Andor (2x), Doda, Zbigniew (2x), Pomar Salamanca, Arturo (2x), Jakubiec, Artur (2x), Plater, Kazimierz (1x), Gruenfeld, Ernst (1x), Vidmar, Milan Jr (1x)

7.Bd2 — 17.7% (56 parties)

Ambassadeurs : Bisco, Igor (2x), Hausner, Ivan (2x), Kamishov, Mikhail P (1x), Konstantinopolsky, Alexander (1x), Pomar Salamanca, Arturo (1x), Flesch, Janos (1x), Gross, Stefan (1x), Boukal, Petr (1x)

7.g4 — 15.5% (49 parties)

Ambassadeurs : Sliwa, Bogdan (4x), Epishin, Vladimir (3x), Bronstein, David I (2x), Marsalek, Josef (2x), Llorente Zaro, Alfonso (2x), Smyslov, Vladimir (1x), Lombardy, William J (1x), Klaput, Edward (1x)

7.Be3 — 11.7% (37 parties)

Ambassadeurs : Doda, Zbigniew (5x), Pribyl, Josef (3x), Salov, Sergej (3x), Bednarski, Jacek (2x), Chistiakov, Alexander (2x), Golombek, Harry (1x), Boleslavsky, Isaac (1x), Franzen, Jozef (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.g3	7.Bd2	7.g4	7.Be3
<1800	4	75%	—	25%	—
1800-2200	76	26%	14%	8%	3%
2200-2600	127	20%	20%	24%	7%
2600+	1	—	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7.g3	7.Bd2	7.g4	7.Be3
1930s	2	50%	—	—	—
1940s	10	60%	10%	—	10%
1950s	23	52%	—	13%	30%
1960s	36	22%	6%	14%	47%
1970s	19	11%	26%	11%	26%
1980s	33	15%	21%	15%	6%
1990s	57	25%	23%	9%	9%
2000s	59	22%	27%	17%	—
2010s	69	25%	14%	26%	—
2020s	8	25%	25%	12%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.g3	25%	25%	+0.4%
7.Bd2	14%	25%	▲ +10.5%
7.g4	26%	12%	▼ -13.6%
7.Be3	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 1 partie

Parties historiques

7.g3 — 25.3% (80 parties)

1936 — Ragozin, Viacheslav vs Kan, Ilya A — 1/2-1/2 — Moscow RUS
1946 — Najdorf, Miguel vs Boleslavsky, Isaac — 1-0 — Groningen NED
1947 — Plater, Kazimierz vs Gruenfeld, Ernst — 1-0 — Warsaw POL
1947 — Vidmar, Milan Jr vs Bozic, Aleksandar — 1/2-1/2 — Ljubljana
1947 — Pachman, Ludek vs Boleslavsky, Isaac — 0-1 — Warsaw POL

7.Bd2 — 17.7% (56 parties)

1945 — Kamishov, Mikhail P vs Konstantinopolsky, Alexander — 1/2-1/2 — Moscow RUS
1965 — Pomar Salamanca, Arturo vs Flesch, Janos — 1/2-1/2 — Malaga Malaga ESP
1969 — Gross, Stefan vs Boukal, Petr — 1/2-1/2 — CSR-ch U26 Cihak
1970 — Kapic, Ibrahim vs Crepinsek, Ljubomir — 0-1 — Porec CRO
1970 — Platonov, Igor V vs Podgaets Mikhail — 1/2-1/2 — Ch URS, Riga LAT

7.g4 — 15.5% (49 parties)

1952 — Bronstein, David I vs Kotov Lundqvist, Alex — 1/2-1/2 — Gagra/Voronovo
1956 — Sliwa, Bogdan vs Ojanen, Kaarle S — 1/2-1/2 — Moscow RUS
1959 — Bronstein, David I vs Fuderer, Andrija — 1/2-1/2 — Kiev UKR
1962 — Sliwa, Bogdan vs Klaput, Edward — 1-0 — Poznan ch POL
1962 — Sliwa, Bogdan vs Marsalek, Josef — 1/2-1/2 — Marianske Lazne

7.Be3 — 11.7% (37 parties)

1946 — Golombek, Harry vs Boleslavsky, Isaac — 1/2-1/2 — ENG-URS radio
1954 — Chistiakov, Alexander vs Konstantinopolsky, Alexander — 1/2-1/2 — Moscow RUS
1955 — Tolush, Alexander V vs Lutikov, Anatoly S — 0-1 — URS-ch sf Moscow RUS
1955 — Chistiakov, Alexander vs Krogius, Nikolai V — 0-1 — Moscow RUS
1956 — Wade, Robert G vs Clarke, Peter H — 1/2-1/2 — Ilford

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v0), ● g5 (2v0)	● c5 (2v0)
Cases faibles	—	—
Centre	● d5 (2v0), ● e4 (1v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● d	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	5 (b8, c8, f8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● d8
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Milieu de jeu
Centre	semi-ouvert
Ruptures	● c4-c5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …e5-e4, ● …f7-f6, ● …f7-f5

Partie
1936 Moscow – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Kan, Ilya A – G8 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bg2 c6 9. O-O Kc7 10. a3 Nb6
1939 Leningrad/Moscow – Round 9 – Goglidze, Viktor – 0-1 – Konstantinopolsky, Alexander – G65 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. e3 f6 8. Be2 c6 9. O-O a5 10. Rd1 Kc7
1945 Moscow Ch – Round 1 – Kamishov, Mikhail P – 1/2-1/2 – Konstantinopolsky, Alexander – G1 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Bd2 f6 8. g3 Nb6 9. b3 c6 10. Bg2 Kc7
1946 ENG-URS radio – Round 1 – Golombek, Harry – 1/2-1/2 – Boleslavsky, Isaac – G1 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 f6 8. O-O-O c6 9. g3 Kc7 10. Bh3 Na6
1946 Groningen – Round 2 – Najdorf, Miguel – 1-0 – Boleslavsky, Isaac – G10 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bg2 Na6 9. O-O c6 10. b3 Kc7
1947 JUG Ch – Round 5 – Vidmar, Milan Jr – 1/2-1/2 – Bozic, Aleksandar – G12 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 c6 8. Bg2 f6 9. O-O Kc7 10. Be3 a5
1947 Warsaw – Round 7 – Pachman, Ludek – 0-1 – Boleslavsky, Isaac – G35 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Be3 Nb6 9. O-O-O+ Ke8 10. Nb5 Na6
1947 Warsaw – Round 9 – Plater, Kazimierz – 1-0 – Gruenfeld, Ernst – G45 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bg2 Bb4 9. Bd2 c6 10. a3 Be7
1948 Moskou ch-URS – Round 18 – Flohr, Salo – 1/2-1/2 – Lilienthal, Andor – G146 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. e3 f6 8. Be2 c6 9. O-O Kc7 10. Bd2 Be7
1949 Heidelberg – Round 3 – Schmidt, Pascal – 0-1 – Schmid, Leo – G9 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. b3 f6 8. Bb2 c6 9. g3 a5 10. Bg2 Na6
1949 Moskou ch-URS – Round 1 – Kopylov, Nikita – 0-1 – Lilienthal, Andor – G44 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bg2 c6 9. O-O a5 10. b3 Na6
1949 URS-ch17 – Round 15 – Kopilov, Nikolay Georgiyevich – 0-1 – Lilienthal, Andor – G5 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bg2 c6 9. O-O a5 10. b3 Na6
1951 Bucharest GMT 2nd – Round 3 – Milev, Zdravko – 1/2-1/2 – Pietzsch, Wolfgang – G10 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 c6 8. Bg2 f6 9. O-O a5 10. Be3 Na6
1952 USSR – Round 1 – Bronstein, David I – 1/2-1/2 – Kotov Lundqvist, Alex – G5 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g4 c6 8. Be3 Bb4 9. O-O-O Bxc3 10. bxc3 Ke7
1953 Bucharest – Round 5 – Barda, Olaf – 1/2-1/2 – Stoltz, Gösta – G44 1. c4 Nf6 2. d4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bg2 c6 9. Be3 Bc5 10. Bxc5 Nxc5
1954 URS Ch, semi final – Round 1 – Khalilbeili, Sultan – 0-1 – Shishov, Maxim Al – G24 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Bg5+ f6 8. Bh4 c6 9. O-O-O Kc7 10. e3 a5
1955 URS Ch sf – Round 1 – Chistiakov, Alexander – 0-1 – Krogius, Nikolai V – G13 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 c6 8. O-O-O f6 9. g4 Kc7 10. Rg1 a5
1955 URS Ch sf Moscow RUS – Round 1 – Tolush, Alexander V – 0-1 – Lutikov, Anatoly S – G5 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 c6 8. O-O-O f6 9. g4 Kc7 10. h4 Nb6
1956 Ilford Premier – Round 1 – Wade, Robert G – 1/2-1/2 – Clarke, Peter H – G1 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 c6 8. O-O-O f6 9. g4 Kc7 10. Rg1 Na6
1956 Moscow olm fin-B – Round 4 – Sliwa, Bogdan – 1/2-1/2 – Ojanen, Kaarle S – G35 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g4 f6 8. Rg1 Nc5 9. g5 Be6 10. gxf6 gxf6
1957 CSR Ch sf – Round 15 – Koska, Josef – 1/2-1/2 – Jezek, Stanislav – G54 1. c4 Nf6 2. Nc3 d6 3. d4 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bg2 c6 9. O-O Nb6 10. b3 Be6
1957 Santiago – Round 1 – Abrahams Gordon, Francisco Tomas – 1/2-1/2 – Jimenez Zerquera, Eleazar – G4 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 c6 8. Bh3 f6 9. O-O Nc5 10. Rd1+ Kc7
1957 Warchau ch POL – Round 10 – Sliwa, Bogdan – 1/2-1/2 – Branicki, Ignacy – G51 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 Bb4 8. Bd2 f6 9. O-O-O c6 10. Rg1 a5
1958 It Kienbaum GER – Round 4 – Zirngibl, Albert – 0-1 – Neikirkh, Oleg – G6 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Be3 c6 9. Bh3 Kc7 10. O-O Bc5
1958 Munich olm prel – Round 2 – Pomar Salamanca, Arturo – 1-0 – Ojanen, Kaarle S – G41 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bg2 c6 9. O-O Kc7 10. Ne1 Na6
1958 URS Ch sf – Round ? – Geller, Efim P – 1-0 – Peterson, Andrejs – G24 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 f6 8. O-O-O c6 9. g4 Kc7 10. Rg1 h6
1959 URS-JUG – Round 2 – Bronstein, David I – 1/2-1/2 – Fuderer, Andrija – G8 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g4 c6 8. b3 f6 9. g5 Nc5 10. h4 Be6
1960 Leipzig olm prel – Round 2 – Neijkirch, Oleg – 1/2-1/2 – Fred, Aatos – G47 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 f6 8. O-O-O c6 9. g4 Kc7 10. Rg1 Nb6
1960 Ljubljana – Round 8 – Bertok, Mario Jr. – 1-0 – Udovcic, Mijo – G61 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 c6 8. O-O-O f6 9. g4 Ke8 10. g5 Nc5
1962 Lasker Memorial Berlin-Ost – Round 15 – Malich, Burkhard, Dr. – 1/2-1/2 – Doda, Zbigniew – G72 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bg2 c6 9. Be3 Bc5 10. Bxc5 Nxc5
1962 Marianske Lazne – Round 1 – Sliwa, Bogdan – 1/2-1/2 – Marsalek, Josef – G4 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g4 c6 8. b3 Kc7 9. Bb2 f6 10. g5 Nc5
1962 Marianske Lazne – Round 8 – Sliwa, Bogdan – 1/2-1/2 – Marsalek, Josef – G50 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g4 c6 8. b3 Kc7 9. Bb2 f6 10. g5 Nc5
1962 Poznan ch POL – Round 6 – Sliwa, Bogdan – 1-0 – Klaput, Edward – G32 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g4 f6 8. Rg1 c6 9. g5 f5 10. b3 Bc5
1963 POL Ch 20th – Round 4 – Doda, Zbigniew – 1/2-1/2 – Brzozka, Stefan – G23 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 f6 8. O-O-O c6 9. g3 Kc7 10. Bh3 Bc5
1964 POL-ch21 Warsaw POL – Round 14 – Doda, Zbigniew – 1/2-1/2 – Bednarski, Jacek B – G35 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 f6 8. O-O-O c6 9. Nd2 Kc7 10. g3 Bc5
1964 Tel Aviv olm fin-A – Round 10 – Kraidman, Yair – 0-1 – Schmid, Leo – G210 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. e3 f6 8. Be2 c6 9. O-O Kc7 10. Bd2 a5
1965 Hamburg etc – Round 10 – Gligoric, Sofija – 1/2-1/2 – Schmid, Leo – G117 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 f6 8. O-O-O c6 9. g4 Kc7 10. h4 Nb6
1965 Klasterec nad Orlici U18 6566 – Round 8 – Pribyl, Josef – 1-0 – Franzen, Jozef – G19 1. c4 Nf6 2. Nc3 d6 3. d4 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 f6 8. O-O-O c6 9. g4 Kc7 10. Rg1 Nb6
1965 Malaga Malaga ESP – Round 1 – Pomar Salamanca, Arturo – 1/2-1/2 – Flesch, Janos – G1 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Bd2 f6 8. O-O-O c6 9. g4 Kc7 10. Rg1 Nb6
1966 Budapest Ch – Round 12 – Toth, Bela – 1-0 – Ozsvath, Andras – G15 1. d4 d6 2. c4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 f6 8. O-O-O c6 9. g4 Kc7 10. g5 a5
1966 Den Haag zt – Round 10 – Gligorić, Svetozar – 1/2-1/2 – Garcia Aruca, Francisco Fernando – G52 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 f6 8. O-O-O c6 9. g4 Kc7 10. Rg1 Na6
1966 La Habana olm fin-C – Round 10 – Letelier Martner, Rene – 1/2-1/2 – Tatai, Stefano – G26 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bh3 c6 9. Be3 Bb4 10. Rc1 a5
1966 Rubinstein Memorial 04th – Round 7 – Doda, Zbigniew – 1/2-1/2 – Pietrusiak, Bogdan – G37 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 f6 8. O-O-O c6 9. g3 Kc7 10. Bh3 Bc5
1966 WchTJ U26 prel – Round 2 – Zara, Dan – 1/2-1/2 – Nagy, Bela – G10 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. e3 f6 8. Be2 c6 9. O-O Kc7 10. Bd2 a5
1967 Hoogovens – Round 12 – Pomar Salamanca, Arturo – 1/2-1/2 – Darga, Klaus – G81 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 c6 8. Bg2 f6 9. O-O Na6 10. Ne1 Kc7
1967 Szczecin ch POL – Round 10 – Doda, Zbigniew – 1/2-1/2 – Bednarski, Jacek B – G47 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 f6 8. g3 c6 9. Bh3 Bc5 10. Bxc5 Nxc5
1968 Kecskemet – Round 1 – Doda, Zbigniew – 1/2-1/2 – Popov, Lazar – G7 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g3 f6 8. Bh3 c6 9. Be3 Kc7 10. O-O-O Na6
1968 Lugano olm - Round 1 - Viner, Phillip - 0-1 - Zichichi, Alvise - G84 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. Be3 c6 8. O-O-O f6 9. g4 Kc7 10. Rg1 Nb6
1969 Skopje – Round 1 – Hort, Vlastimil – 1/2-1/2 – Ciocaltea, Victor – G3 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Nfd7 7. g4 c6 8. Be3 Bb4 9. Bd2 Na6 10. Rd1 Nac5

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