E22c — Nimzo-Indian: Spielmann, 4…Nc6

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 Nc6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte b5, paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Nf3 — Développer Ng1
● Bg5 — Clouer Nf6

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Bb4 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre, pawn d4 en prise.
Problèmes : roi au centre, Bc8 enfermé, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E22c — Spielmann

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 Nc6

Eval: [+0.20]

Les coups candidats

5.Nf3 — 67.0% (185 parties)

Ambassadeurs : Euwe, Max (6x), Michell, Reginald (3x), Bolbochan, J. (3x), Pleci, Isaias (3x), Donner, Jan-Hein (3x), Najdorf, Miguel (2x), Jongedijk J (2x), Alekhine, Alexander (2x)

5.e3 — 28.3% (78 parties)

Ambassadeurs : Stahlberg, Gideon (11x), Keres, Paul (4x), Trifunovic, Petar (4x), Johner, Hans (3x), Constantin, Gabriela-Patricia (3x), Sthlberg, G (2x), Nimzowitsch, Aron (2x), Simonovic, Borko (2x)

5.d5 — 2.5% (7 parties)

Ambassadeurs : Santasiere, Anthony (2x), Jirov Katz, Maayan (1x), Yerhoff, F. (1x), Shapiro, Oscar (1x), Shapiro, Daniel (1x), Dittmann, Sieghart (1x), Bachtiar, Ahmad Ina (1x), Antoshin, Vladimir S (1x)

5.a3 — 1.4% (4 parties)

Ambassadeurs : Cajueiro, Monique Oliveira Ba (1x), Jardim, Daphne Tofano (1x), Varas Garcia, Pablo (1x), Tamashiro, Ariel (1x), Drobyshevsky, Vasily (1x), Tyurin, Artem (1x), Sharma, Rizwan (1x), Connolly Sams, Dietah (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Nf3	5.e3	5.d5	5.a3
<1800	8	88%	—	—	12%
1800-2200	56	70%	25%	4%	2%
2200-2600	54	81%	15%	2%	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Nf3	5.e3	5.d5	5.a3
1880s	1	100%	—	—	—
1920s	1	100%	—	—	—
1930s	69	42%	58%	—	—
1940s	29	62%	28%	10%	—
1950s	16	81%	19%	—	—
1960s	8	88%	—	12%	—
1970s	8	62%	38%	—	—
1980s	7	86%	—	14%	—
1990s	29	79%	14%	—	—
2000s	48	85%	12%	2%	—
2010s	53	70%	21%	2%	8%
2020s	7	57%	43%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Nf3	70%	57%	▼ -12.7%
5.e3	21%	43%	▲ +22.1%
5.d5	2%	0%	▼ -1.9%
5.a3	8%	0%	▼ -7.5%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 7 parties
Alekhine, Alexander — 2 parties
Steinitz, Wilhelm — 1 partie
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie

Parties historiques

5.Nf3 — 67.0% (185 parties)

1882 — Steinitz, Wilhelm vs Englisch, Berthold — 1/2-1/2 — Vienna AUT
1929 — Rosselli del Turco, Stefano vs Hellmann Ernesto — 1/2-1/2 — Venice ITA
1930 — Johner, Hans vs Gygli, Fritz — 1-0 — Lausanne SUI
1930 — Pleci, Isaias vs Grau Lezcano, Roberto — 1-0 — Buenos Aires ARG
1930 — Pleci, Isaias vs Grau Lezcano, Roberto — 1/2-1/2 — Buenos Aires ARG

5.e3 — 28.3% (78 parties)

1930 — Johner, Paul vs Henneberger, Walter — 1-0 — Lausanne SUI
1931 — Johner, Hans vs Naegeli, Oskar — 1/2-1/2 — Winterthur
1934 — Sthlberg, G vs Nimzowitsch, Aron — 0-1 — Goteborg SWE
1934 — Sthlberg, G vs Nimzowitsch, Aron — 1-0 — Goteborg SWE
1934 — Stahlberg, Gideon vs Nimzowitsch, Aaron — 1-0 — Copenhagen DEN

5.d5 — 2.5% (7 parties)

1946 — Jirov Katz, Maayan vs Yerhoff, F. — 1/2-1/2 — Pittsburgh
1946 — Shapiro, Oscar vs Santasiere, Anthony — 1/2-1/2 — Pittsburgh
1946 — Shapiro, Daniel vs Santasiere, Anthony — 1/2-1/2 — Pittsburgh
1960 — Dittmann, Sieghart vs Bachtiar, Ahmad Ina — 0-1 — Leipzig GER
1983 — Antoshin, Vladimir S vs Naumkin, Igor — 0-1 — Moscow RUS

5.a3 — 1.4% (4 parties)

2011 — Cajueiro, Monique Oliveira Ba vs Jardim, Daphne Tofano — 0-1 — Sao Paulo BRA
2011 — Varas Garcia, Pablo vs Tamashiro, Ariel — 1-0 — LSS
2015 — Sharma, Rizwan vs Connolly Sams, Dietah — 0-1 — Coventry ENG
2019 — Drobyshevsky, Vasily vs Tyurin, Artem — 0-1 — Minsk BLR

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	—
Cases faibles	—	—
Centre	—	● d4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	5 (g1, c1, f1, a1, h1)	3 (c8, a8, h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1931 Argentina – Round 7 – Bolbochan, J. – 1/2-1/2 – Pleci, Isaias – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d5 6. e3 O-O 7. Bd2 dxc4 8. Bxc4 a6 9. Rd1 Qe7 10. Be2 Rd8
1931 GBR Ch 24th – Round 10 – Michell, Reginald – 0-1 – Milner Barry, Philip – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d6 6. a3 Bxc3+ 7. Qxc3 O-O 8. e3 e5 9. dxe5 dxe5 10. Nxe5 Nxe5
1931 SUI ch 35rd – Round 1.3 – Zimmermann, Otto – 1-0 – Henneberger, Walter – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 Ne4 6. e3 Nxc3 7. bxc3 Be7 8. Bd3 b6 9. Qb5 Bb7 10. O-O Na5
1931 SUI ch 35rd – Round 2.2 – Johner, Hans – 1-0 – Zimmermann, Otto – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 Ne4 6. g3 Qe7 7. Bg2 f5 8. O-O Bxc3 9. bxc3 O-O 10. Nd2 Nxd2
1931 SUI ch 35rd – Round 4.1 – Johner, Hans – 1/2-1/2 – Naegeli, Oskar – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d5 6. Nf3 O-O 7. Bd3 dxc4 8. Bxc4 Qe7 9. Be2 Re8 10. O-O a6
1932 Leningrad Ch – Round 1 – Alatortsev, Vladimir N. – 1-0 – Ragozin, Viacheslav – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 O-O 6. Bg5 h6 7. Bd2 d5 8. e3 Re8 9. O-O-O Bf8 10. Rg1 Bd7
1932 Leningrad Ch – Round 1 – Botvinnik, Mikhail – 1-0 – Ragozin, Viacheslav – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 O-O 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qd3 d5 9. g3 b6 10. cxd5 exd5
1934 Copenhagen – Round 1 – Stahlberg, Gideon – 1-0 – Nimzowitsch, Aaron – G9 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 a5 6. Bd2 e5 7. d5 Ne7 8. Bd3 d6 9. Nge2 Nd7 10. Qd1 Nc5
1934 Leningrad – Round 1 – Euwe, Max – 1/2-1/2 – Romanovsky, Pjotr – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d5 6. c5 e5 7. Bb5 O-O 8. Ne2 Bxc3+ 9. bxc3 Bf5 10. Ng3 Bg6
1934 Leningrad – Round 1 – Kmoch, Hans – 1-0 – Levenfish, Grigory – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d5 6. Nf3 O-O 7. Bd2 dxc4 8. Bxc4 Bd6 9. Be2 e5 10. d5 Ne7
1934 Ujpest – Round 1 – Stahlberg, Gideon – 0-1 – Joyeux Steiner, Gael – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 O-O 6. Bd3 b6 7. Ne2 Ba6 8. Bd2 Re8 9. Rd1 Bf8 10. a3 Na5
1934 Ujpest – Round 1 – Stahlberg, Gideon – 1/2-1/2 – Lilienthal, Andor – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 O-O 6. Bd3 b6 7. Ne2 Ba6 8. a3 Be7 9. Qd1 Bb7 10. e4 d6
1934 Zuerich – Round 1 – Gygli, Fritz – 0-1 – Johner, Hans – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 O-O 6. Bd3 b6 7. Ne2 Re8 8. O-O Bf8 9. Bd2 Ba6 10. Nb5 e5
1935 Hastings3536 – Round 4 – De Winter Gallegos, Willy – 0-1 – Alexander Ronald Cheng – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 O-O 6. a3 Bxc3+ 7. Qxc3 d6 8. b4 e5 9. dxe5 Ne4 10. Qe3 f5
1935 Hastings3536 – Round 7 – Michell, Reginald – 1-0 – De Winter Gallegos, Willy – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 O-O 6. a3 Bxc3+ 7. Qxc3 d6 8. Nf3 e5 9. dxe5 Ne4 10. Qc2 f5
1935 Tatatovaros – Round 15 – Korody Keresztely, Imre – 1/2-1/2 – Havasi, Kornel – G80 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 O-O 6. a3 Be7 7. e3 d6 8. Be2 Re8 9. O-O Bf8 10. Qc2 a5
1935 Warsaw ol (Men) – Round 4 – Birger Rasmusson – 0-1 – Najdorf, Miguel – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 O-O 6. a3 Bxc3+ 7. Qxc3 d6 8. g3 e5 9. dxe5 dxe5 10. Be3 Qe7
1935 Warsaw olm – Round 13 – Lundin, Erik – 0-1 – Najdorf, Miguel – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 O-O 6. Bg5 h6 7. Bd2 d6 8. e3 Re8 9. Be2 e5 10. d5 Bxc3
1936 Amsterdam – Round 1 – Jongedijk J – 0-1 – Alekhine, Alexander – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 Ne4 6. e3 O-O 7. Bd3 f5 8. O-O Bxc3 9. bxc3 b6 10. Qc2 Ba6
1936 Moscow – Round 1 – Capablanca, Jose – 1-0 – Ragozin, Viacheslav – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d5 6. Nf3 O-O 7. a3 dxc4 8. Bxc4 Bd6 9. Bb5 e5 10. Bxc6 exd4
1936 Munich ol (Men) – Round 17 – Moller, Baldur Helgi – 1-0 – Makarczyk, Kazimierz – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 O-O 6. Bd3 d6 7. Ne2 e5 8. d5 Bxc3+ 9. Qxc3 Ne7 10. e4 Ne8
1936 Munich ol (Men) – Round 7 – Ojanen, Kaarle S – 1/2-1/2 – Staehelin, Adolf – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 O-O 6. Bd3 d6 7. Ne2 e5 8. O-O Bxc3 9. Qxc3 Ne8 10. e4 f5
1936 New York ch-USA – Round 14 – Denker, Arnold S – 1/2-1/2 – Bernstein, Sidney – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 a5 6. Bd3 a4 7. Qc2 a3 8. Nf3 d5 9. O-O O-O 10. Rd1 axb2
1936 New York ch-USA – Round 3 – Reshevsky, Samuel – 0-1 – Bernstein, Sidney – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 a5 6. a3 a4 7. Qc2 Bxc3+ 8. Qxc3 Na5 9. Bd3 d5 10. c5 O-O
1936 New York ch-USA – Round 6 – Denker, Arnold S – 0-1 – Dake, Arthur William – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 a5 6. Bd3 e5 7. Ne2 O-O 8. O-O Bxc3 9. bxc3 d6 10. Ng3 Re8
1937 Stockholm ol (Men) – Round 15 – Staldi, Cherubino – 0-1 – Steiner, Endre – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 b6 6. Bg5 h6 7. Bd2 O-O 8. e3 Ba6 9. O-O-O Be7 10. Nb5 d5
1938 FRA Ch – Round 4 – Constantin, Gabriela-Patricia – 1/2-1/2 – Fallet Kahn, Victor – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d5 6. Nf3 O-O 7. cxd5 exd5 8. Bd3 Re8 9. O-O Bd6 10. a3 Rb8
1938 FRA Ch – Round 6 – Constantin, Gabriela-Patricia – 0-1 – Gromer, Aristide – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d5 6. Nf3 Qe7 7. cxd5 exd5 8. Bd3 Bg4 9. a3 Bxc3+ 10. bxc3 Nd8
1938 Ljubljana – Round 7 – Sorli, Joze – 0-1 – Pirc, Vasja – G48 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d5 6. Bd2 O-O 7. Rd1 Qe7 8. a3 dxc4 9. Qxc4 Bxc3 10. Bxc3 Bd7
1938 Lodz – Round 1 – Stahlberg, Gideon – 0-1 – Petrov, Vladimir (ENG) – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d5 6. cxd5 exd5 7. Bb5 Qe7 8. a3 Bxc3+ 9. bxc3 O-O 10. Bxc6 bxc6
1939 Bournemouth – Round 1 – Wallis Moreno, Veronica Isabella – 1-0 – Thomas Andrew – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 O-O 6. a3 Bxc3+ 7. Qxc3 d6 8. g3 Re8 9. Bg2 e5 10. d5 Ne7
1939 Bournemouth – Round 5 – Wallis, Philip N – 1/2-1/2 – Koenig, Imre – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d6 6. a3 Bxc3+ 7. Qxc3 O-O 8. g3 Ne4 9. Qc2 f5 10. Bg2 Qf6
1939 Leningrad/Moscow – Round 14 – Alatortsev, Vladimir N. – 1/2-1/2 – Levenfish, Grigory – G103 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 O-O 6. a3 Be7 7. f4 d6 8. Nf3 e5 9. d5 Nb8 10. fxe5 Ng4
1939 Leningrad/Moscow – Round 7 – Tolush, Alexander V – 0-1 – Keres, Paul – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 O-O 6. e3 d5 7. Bd2 dxc4 8. Bxc4 Bd6 9. Nb5 Ne4 10. Nxd6 cxd6
1939 Margate Premier Reserves A – Round 8 – Raud, Ilmar – 0-1 – Koenig, Imre – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d6 6. d5 Bxc3+ 7. bxc3 Nb8 8. Bg5 Nbd7 9. e3 Nc5 10. Qc2 h6
1941 Trencianske Teplice – Round 1 – De Meyer, Hendrik – 1-0 – Rohacek, Ivan – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d6 6. Bd3 e5 7. d5 Bxc3+ 8. Qxc3 Nb8 9. Ne2 a5 10. a3 a4
1941 Trencianske Teplice – Round 5 – De Meyer, Hendrik – 0-1 – Foltys, Jan – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 a5 6. Bd3 d5 7. Bd2 O-O 8. Nf3 b6 9. cxd5 exd5 10. Rc1 Ne7
1942 USA Open Dallas – Round 9 – Ajuna Thompson – 0-1 – Yanofsky, Daniel Abraham – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 a5 6. g3 b6 7. Bg2 Bb7 8. O-O O-O 9. Rd1 Bxc3 10. Qxc3 Ne4
1943 Vienna Ch – Round ? – Schwammenhoeffer – 1/2-1/2 – Mueller, Hans – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 O-O 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 d6 9. a3 Bxc3+ 10. Qxc3 Re8
1944 URS Ch sf Moscow RUS – Round 9 – Alatortsev, Vladimir N. – 1-0 – Romanovsky, Pjotr – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d5 6. a3 dxc4 7. Qxc4 Qd5 8. Qxb4 Nxb4 9. Nxd5 Nbxd5 10. Ne5 Bd7
1945 Mar del Plata – Round 8 – Bolbochan, J. – 1-0 – Luckis, Marcos – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d5 6. a3 dxc4 7. Qxc4 Be7 8. e4 O-O 9. Be2 Bd7 10. e5 Ne8
1945 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1-0 – Romanovsky, Pjotr – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d5 6. a3 Be7 7. cxd5 exd5 8. Nge2 O-O 9. g3 Na5 10. Qa4 c6
1946 Mar del Plata – Round 10 – Bolbochan, J. – 1/2-1/2 – Maccioni, Alejandro – G93 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 a5 6. Bd2 d6 7. a3 Bxc3 8. Bxc3 O-O 9. e3 Ne4 10. Bd3 Nxc3
1946 Pittsburgh Open – Round 1 – Shapiro, Daniel – 1/2-1/2 – Santasiere, Anthony – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. d5 Bxc3+ 6. Qxc3 Ne7 7. Bg5 Ng6 8. h4 h6 9. Bxf6 Qxf6 10. Qxf6 gxf6
1946 POL Ch – Round 2 – Plater, Kazimierz – 1-0 – Grynfeld, Izaak – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d5 6. e3 Ne4 7. Bd3 f5 8. O-O Bxc3 9. bxc3 O-O 10. cxd5 exd5
1946 Zagreb ch-YUG – Round 11 – Trifunovic, Petar – 1-0 – Simonovic, Borko – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 a5 6. a3 a4 7. Qc2 Bxc3+ 8. Qxc3 O-O 9. Bd3 d5 10. Nf3 b6
1947 Chigorin Memorial – Round 1 – Trifunovic, Petar – 1-0 – Novotelnov, Nikolai – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d6 6. Bd3 e5 7. Ne2 Bxc3+ 8. Qxc3 e4 9. Bc2 O-O 10. b3 d5
1947 Sofia Balkaniade – Round 3.1 – Trifunovic, Petar – 1/2-1/2 – Barcza, Gedeon – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d5 6. Nf3 O-O 7. a3 dxc4 8. Bxc4 Bd6 9. Bb5 e5 10. Bxc6 exd4
1948 Belgrade ch-YUG – Round 5 – Vukovic, Sava – 1/2-1/2 – Simonovic, Borko – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 a5 6. Bd2 d5 7. Nf3 O-O 8. Be2 Bd7 9. cxd5 a4 10. Qc4 Bxc3
1948 South Fallsburg ch-USA – Round 1 – Almgren, Sven – 0-1 – Ulvestad, Olaf – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 a5 6. e3 a4 7. Qc2 a3 8. Bd3 d6 9. O-O e5 10. Nb5 axb2
1948 South Fallsburg ch-USA – Round 1 – Kramer, Gerald – 1/2-1/2 – Santasiere, Anthony – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 a5 6. e3 a4 7. Qc2 O-O 8. Bd3 d6 9. O-O Bxc3 10. bxc3 Re8
1949 Baarn – Round 1 – Euwe, Max – 1-0 – Spanjaard, Eduard – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d6 6. d5 exd5 7. cxd5 Bxc3+ 8. Qxc3 Nxd5 9. Qxg7 Qf6 10. Qxf6 Nxf6
1949 Hastings4950 – Round 6 – Euwe, Max – 0-1 – Szabo, Ladislav – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d5 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 O-O 9. cxd5 exd5 10. Qxd5 Re8
1949 Zagreb ch-YUG – Round 13 – Vukovic, Sava – 1-0 – Matanovic, Aleksandar – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d5 6. e3 O-O 7. Bd2 dxc4 8. Qxc4 Nd7 9. Be2 Nb6 10. Qb3 a5
1950 Amsterdam – Round 4 – Euwe, Max – 1-0 – Van Scheltinga, Theo – G57 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 O-O 6. a3 Bxc3+ 7. Qxc3 a5 8. b3 d6 9. Bb2 Re8 10. Rd1 Qe7
1950 Amsterdam – Round 6 – Donner, Jan-Hein – 1-0 – Hein-Golombek, Harry – G71 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 Ne4 6. e3 O-O 7. Bd2 Nxc3 8. bxc3 Be7 9. Bd3 d6 10. Qc2 h6
1950 Amsterdam ch-NED – Round 1 – Donner, Jan-Hein – 1/2-1/2 – Van Scheltinga, Theo – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 Ne4 6. e3 O-O 7. Bd3 f5 8. O-O Bxc3 9. bxc3 b6 10. Nd2 Nxd2
1950 Hoogovens – Round 1 – Euwe, Max – 1-0 – Kramer, Hanspeter – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d6 6. d5 Bxc3+ 7. Qxc3 exd5 8. cxd5 Nxd5 9. Qxg7 Qf6 10. Qxf6 Nxf6
1952 JUG Ch – Round 14 – Fuderer, Andrija – 0-1 – Djurasevic, Bozidar – G85 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d5 6. e3 O-O 7. a3 dxc4 8. Bxc4 Bd6 9. Bb5 Qe7 10. O-O Bd7
1955 CSR Ch Army – Round 13 – Farcas Knapp, Alberto – 0-1 – Kozma, Julius – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 d5 6. a3 Bxc3+ 7. bxc3 O-O 8. cxd5 exd5 9. Bd3 b6 10. Nf3 Na5
1956 Moscow olm fin-A – Round 7 – Larsen, Benjamin Holsko – 1-0 – Golombek, Harry – G109 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. e3 O-O 6. Nf3 d6 7. a3 Bxc3+ 8. Qxc3 Re8 9. Be2 e5 10. dxe5 dxe5
1958 Argentina – Round 8 – Emma, Jaime – 1/2-1/2 – Sanguineti, Raúl Carlos – G61 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 O-O 6. a3 Bxc3+ 7. Qxc3 a5 8. b3 d6 9. Bb2 Re8 10. Rd1 Qe7
1960 Balatonfured it – Round 11 – Sliwa, Bogdan – 1/2-1/2 – Sofrevski, Jovan – G12 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Qb3 Nc6 5. Nf3 d5 6. e3 O-O 7. Bd2 dxc4 8. Bxc4 Bd6 9. Bb5 e5 10. Bxc6 exd4
1960 Leipzig olm prel – Round 8 – Dittmann, Sieghart – 0-1 – Bachtiar, Ahmad Ina – G272 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. d5 exd5 6. cxd5 Nd4 7. Qd1 c5 8. a3 Ba5 9. b4 cxb4 10. axb4 Bb6
1962 Gera ch GDR – Round 16 – Baumbach, Friedrich, Dr. – 1-0 – Bertholdt, Dieter – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d5 6. Bg5 O-O 7. e3 Be7 8. Bxf6 Bxf6 9. cxd5 exd5 10. Qxd5 Qe7
1963 Bad Liebenstein – Round 3 – Baumbach, Friedrich, Dr. – 1/2-1/2 – Karaklajic, Nikola – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 a5 6. a3 a4 7. Qc2 Bxc3+ 8. Qxc3 Na5 9. Bg5 Ne4 10. Bxd8 Nxc3
1969 Buenos Aires ch-ARG – Round 8 – Foguelman – 1-0 – Storti Bordoy, Sergi – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. Nf3 d5 6. a3 Bxc3+ 7. Qxc3 O-O 8. Bg5 Ne7 9. Bxf6 gxf6 10. e3 Nf5

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