C50g — Italian: Hungarian Defence, 4.d4 d6

1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 4.d4 d6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d5, case forte g5, Bc4 actif, paire de fous.
Faiblesses adverses : Be7 mauvais fou, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, 4 pièces non développées (B1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● Be3 — Développer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Be7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, 4 pièces non développées (G8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nf6 — Développer Ng8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Na5 — Attaquer Bc4
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C50g — Hungarian Defence

1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 4.d4 d6

Eval: [+0.95]

Les coups candidats

5.dxe5 — 32.3% (856 parties)

Ambassadeurs : Vasiukov, Evgeni (6x), Valenta, Vit Vaclav (6x), Ivkov, Borislav (5x), Kuvsinov, Anatolij (5x), Hebden, Mark L (5x), Leonhardt, Paul (4x), Bronstein, David I (4x), Schuetz, Peter (4x)

5.h3 — 19.4% (514 parties)

Ambassadeurs : Facchetti, Gianni (4x), Javelle, Gabriel (3x), Pogats, Jozsef Jr. (3x), Bronstein, Luis Marcos (3x), Paoli, Enrico (3x), Papp, Gellert (3x), Jeraj, Zlatko (3x), Kieninger, Georg (2x)

5.d5 — 17.0% (450 parties)

Ambassadeurs : Szymczak, Zbigniew (5x), Leonhardt, Paul (4x), Kholmov, Ratmir D (3x), Alatortsev, Vladimir N. (3x), Borkowski, Franciszek (3x), Cafferty, Bernard (3x), Heberla, Bartlomiej (3x), Akshaya A (3x)

5.Nc3 — 10.6% (281 parties)

Ambassadeurs : Rellstab, Ludwig Sr (3x), Lipnitsky, Isaac (3x), Petrosian, Tigran V. (3x), Sveshnikov, Evgeny (3x), Weinzettl, Ernst (3x), Thomas, George Alan (2x), Montoya Eisinger, Maximiliano (2x), Novotelnov, Nikolai (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.dxe5	5.h3	5.d5	5.Nc3
<1800	106	30%	10%	21%	6%
1800-2200	978	34%	19%	17%	8%
2200-2600	677	38%	22%	13%	12%
2600+	5	40%	20%	—	40%

Évolution par décennie (% des parties)

Décennie	N parties	5.dxe5	5.h3	5.d5	5.Nc3
1850s	1	—	—	—	—
1860s	4	—	—	50%	—
1870s	1	100%	—	—	—
1880s	6	—	—	17%	33%
1890s	3	—	—	67%	—
1900s	4	—	—	—	25%
1910s	12	33%	—	42%	8%
1920s	5	20%	40%	—	—
1930s	17	18%	29%	6%	41%
1940s	19	21%	37%	21%	16%
1950s	60	23%	25%	25%	20%
1960s	69	19%	30%	25%	12%
1970s	97	32%	20%	21%	11%
1980s	138	34%	14%	17%	16%
1990s	488	28%	19%	17%	14%
2000s	772	33%	19%	14%	10%
2010s	832	36%	19%	17%	7%
2020s	122	39%	16%	20%	10%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.dxe5	36%	39%	▲ +3.6%
5.h3	19%	16%	▼ -3.1%
5.d5	17%	20%	▲ +2.2%
5.Nc3	7%	10%	▲ +3.0%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 4 parties
Lasker, Emanuel — 3 parties
Euwe, Max — 3 parties
Alekhine, Alexander — 2 parties
Karpov, Aleksandr — 1 partie
Tal, Mikhail — 1 partie

Parties historiques

5.dxe5 — 32.3% (856 parties)

1876 — Michaelis, Otto vs Wernich, H. — 1-0 — New York, NY USA
1911 — Leonhardt, Paul vs Nimzowitsch, Aron — 1-0 — Hamburg GER
1912 — Leonhardt, Paul vs Schlechter, Carl — 0-1 — San Sebastian ESP
1912 — Leonhardt, Paul vs Rubinstein, Akiba — 0-1 — San Sebastian ESP
1912 — Leonhardt, Paul vs Důras, Oldřich — 1-0 — San Sebastian ESP

5.h3 — 19.4% (514 parties)

1921 — Tartakower, Savielly vs Davidson Gallego, Jorge — 1-0 — The Hague NED
1927 — Steiner, Lajos vs Vajda, Arpad — 1-0 — Kecskemet II
1930 — Van den Bosch, Johannes vs Fontein, George — 0-1 — The Hague NED
1935 — Koch, Berthold vs Richter, Kurt P — 1/2-1/2 — Aachen GER
1936 — Tylor, Theodore Henry vs Thomas, George Alan — 1/2-1/2 — Nottingham ENG

5.d5 — 17.0% (450 parties)

1864 — Neumann Feliu, Rodrigo vs Kahler, Heinz — 1-0 — Berlin GER
1864 — Anderssen, Adolf vs Mayet, Carl — 1-0 — Berlin GER
1885 — Zukertort, Johannes vs Whitby — 1-0 — Liverpool CC sim 1of
1893 — Kotrc, Josef vs Kvicala, Josef — 1-0 — Prague CZE
1898 — Tarrasch, Siegbert vs Showalter, Jackson — 1-0 — Vienna AUT

5.Nc3 — 10.6% (281 parties)

1889 — Chigorin, Mikhail vs Lipschuetz, Samuel — 1-0 — New York, NY USA
1889 — Pollock, William vs Delmar, Eugene — 1-0 — New York, NY USA
1908 — Lasker, Emanuel vs Belinfante, Alayne — 0-1 — Nederland
1914 — Alekhine, Alexander vs Breyer, Gyula — 1-0 — Mannheim GER
1932 — Golombek, Harry vs Sultan Khan, Mir — 1/2-1/2 — Whiteleys, London

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc4	● Bc4 Actif (mob. 9)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (b1, c1, a1, h1)	4 (g8, 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	fermé
Ruptures	● c2-c3, ● d4-d5	● …d6-d5, ● …f7-f6, ● …f7-f5

Partie
1907 Ostende II – Round 23 – Tartakower, Savielly – 1/2-1/2 – Znosko-Borovsky, Eugene – G273 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. O-O Nf6 6. d5 Nb8 7. Bd3 Bg4 8. c4 Nbd7 9. Nc3 Nf8 10. h3 Bxf3
1908 NED tour sim – Round ? – Lasker, Emanuel – 0-1 – Belinfante, Alayne – G8 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Be7 5. Nc3 Nf6 6. h3 a6 7. Be3 Nxe4 8. Bxf7+ Kxf7 9. Nxe4 Rf8 10. Qd3 h6
1908 Prague – Round 9 – Leonhardt, Paul – 1/2-1/2 – Schlechter, Carl – G81 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. c3 Nf6 6. Qc2 O-O 7. Be3 exd4 8. cxd4 Nb4 9. Qb3 d5 10. exd5 Bf5
1912 It (Men) Bad Pistyan CZE – Round 17 – Leonhardt, Paul – 1-0 – Hromadka, Karel – G78 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. c4 Nbd7 8. Nc3 O-O 9. h3 Nc5 10. Bc2 a5
1912 It (Men) San Sebastian ESP – Round 1 – Leonhardt, Paul – 0-1 – Rubinstein, Akiba – G2 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Be3 Be7 8. Nc3 Nf6 9. Nd5 Bd6 10. Nxf6+ gxf6
1912 San Sebastian – Round 5 – Leonhardt, Paul – 1-0 – Důras, Oldřich – G11 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Nc3 Bg4 8. Be3 Nge7 9. O-O-O a6 10. h3 Bxf3
1912 San Sebastian – Round 8 – Leonhardt, Paul – 1/2-1/2 – Rubinstein, Akiba – G20 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. c4 O-O 8. h3 Ne8 9. g4 Na6 10. Nc3 Nc5
1912 Temesvary – Round 1 – Szekely, Jeno – 1/2-1/2 – Von Balla, Zoltan – G36 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. O-O Nf6 6. Re1 Bg4 7. c3 O-O 8. Qd3 Bh5 9. Nbd2 Bg6 10. Nh4 Kh8
1913 Budapest – Round 7 – Spielmann, Rudolf – 1-0 – Sterk, Karoly – G11 1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. Bc4 Be7 5. d5 Nb8 6. h3 f5 7. Nc3 Bf6 8. exf5 Bxf5 9. g4 Bg6 10. Bd3 Bxd3
1914 DSB-19.Kongress – Round 4 – Alekhine, Alexander – 1-0 – Breyer, Gyula – G31 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Nf6 8. d5 Nb8 9. Be3 Nbd7 10. g4 Nf8
1921 The Hague – Round 6 – Tartakower, Savielly – 1-0 – Davidson Gallego, Jorge – G27 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. Be3 exd4 8. Nxd4 Nxe4 9. Nxe4 d5 10. Nxc6 bxc6
1923 Trieste-chB – Round ? – Formanek, Zdenek – 1/2-1/2 – Stalda, Giuseppe – G12 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 Bg4 6. exd6 Bxd6 7. Be2 Nf6 8. Nbd2 Qe7 9. h3 Bxf3 10. Nxf3 Nxe4
1927 Kecskemet II – Round 4 – Steiner, Lajos – 1-0 – Vajda, Arpad – G11 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O h6 8. Be3 Nh7 9. dxe5 Nxe5 10. Nxe5 dxe5
1932 BCF Ch 25th – Round 5 – Golombek, Harry – 1/2-1/2 – Sultan Khan, Mir – G16 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Be7 5. Nc3 Bg4 6. Be3 Nf6 7. h3 Bxf3 8. gxf3 exd4 9. Bxd4 Nxd4 10. Qxd4 c6
1935 GER Ch 3rd – Round 15 – Koch, Berthold – 1/2-1/2 – Richter, Kurt P – G22 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. Be3 exd4 8. Nxd4 Ne5 9. Bb3 c5 10. Nf3 c4
1935 Warsaw olm – Round 15 – Enoch, David – 1-0 – Bellod Thomas, Gonzalo – G61 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. h3 O-O 7. O-O a6 8. Be3 b5 9. Bd5 Nxd5 10. Nxd5 exd4
1936 New York ch-USA – Round 14 – Steiner, Heinrich Jun. – 0-1 – Treysman, G. – G43 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. Bb3 Bd7 8. O-O a6 9. a3 b5 10. dxe5 Nxe5
1936 Nottingham – Round 1 – Tylor, Theodore Henry – 1/2-1/2 – Thomas, George Alan – G43 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 a6 7. Be3 b5 8. Bd5 Nxd5 9. Nxd5 O-O 10. O-O Bb7
1938 Bad Elster – Round 2 – Bogoljubow, Efim – 1/2-1/2 – Kieninger, Georg – G9 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Nc3 f6 8. Be3 Nge7 9. a3 Ng6 10. Nd5 Nce7
1938 URS Ch sf Leningrad RUS – Round 1 – Chekhover, Vitaly – 1-0 – Rabinovich, Ilya Mar – G18 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. d5 Nb8 7. h3 c6 8. dxc6 bxc6 9. Qe2 O-O 10. O-O Be6
1939 Bad Oeynhausen ch-GER – Round 11 – Montoya Eisinger, Maximiliano – 1/2-1/2 – Kieninger, Georg – G79 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. Be3 a6 8. a4 Qe8 9. O-O Kh8 10. dxe5 Nxe5
1939 Bad Oeynhausen ch-GER – Round 7 – Montoya Eisinger, Maximiliano – 1-0 – Ernst, Wilhelm – G52 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. h3 O-O 7. O-O a6 8. a4 Bd7 9. Be3 Be8 10. d5 Nb8
1939 Bournemouth – Round 1 – Abrahams, Gerald – 0-1 – Aitken, James – G16 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. c3 Nf6 6. Nbd2 O-O 7. Qc2 exd4 8. Nxd4 d5 9. Nxc6 bxc6 10. Be2 Re8
1940 GER Ch 7th – Round 11 – Engert, Immo – 0-1 – Kieninger, Georg – G15 1. e4 e5 2. Bc4 Nc6 3. Nf3 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. Be3 Bd7 8. O-O Be8 9. Qe2 Kh8 10. dxe5 Nxe5
1944 Moskou ch-URS – Round 1 – Sokolsky, Alexey – 1-0 – Lisitsin, Georgy – G87 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Be7 5. d5 Nb8 6. Bd3 Nf6 7. c4 O-O 8. h3 Nbd7 9. Nc3 Nh5 10. g3 Nhf6
1946 NED Ch prelim II – Round 1 – Van Scheltinga, Theo – 1-0 – Henneberke, Frans – G1 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nxd4 6. Nxd4 exd4 7. Qh5 g6 8. Qd5 Be6 9. Qxb7 Rb8 10. Qxa7 Bxc4
1947 San Pablo blind sim – Round 16 – Najdorf, Miguel – 1/2-1/2 – Bonaudo, F – G14 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O h6 8. Be3 Bd7 9. Qd2 exd4 10. Nxd4 Nxd4
1948 GER Ch – Round 15 – Sahlmann, Walter – 1/2-1/2 – Rellstab, Ludwig Sr – G37 1. e4 e5 2. Nf3 d6 3. Bc4 Nc6 4. d4 Be7 5. Nc3 Nf6 6. h3 O-O 7. Be3 Nd7 8. Nd5 Nb6 9. Nxb6 axb6 10. c3 Kh8
1949 BRA Ch – Round ? – De Souza Mendes, Joao – 1-0 – De Freitas, Marcio Elisio – G24 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. c3 Nge7 8. Nbd2 O-O 9. Nf1 Ng6 10. Ne3 Nh4
1949 Leningrad – Round 1 – Kopylov, Igor – 1/2-1/2 – Zagorovsky, Vladimir – G25 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. c4 Nbd7 8. Nc3 a5 9. h3 Nh5 10. Be3 Nf4
1949 Moscow Ch – Round 1 – Estrin, Yakov – 1-0 – Zagoriansky, Evgeny – G33 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Nc3 Bg4 8. Bb5 f6 9. Bxc6+ bxc6 10. Be3 Ne7
1949 Southsea – Round 6 – Woodthorpe, RC. – 0-1 – Thomas, George Alan – G16 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nd7 7. Be3 Ngf6 8. h3 c5 9. c4 Nh5 10. Nc3 O-O
1949 Southsea – Round 8 – Brown, Benjamin – 0-1 – Thomas, George Alan – G24 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. Be3 O-O 7. h3 Nxe4 8. Nxe4 d5 9. Nxe5 dxc4 10. Nxc6 bxc6
1949 Stevenson Mem SCCU Ch – Round 8 – Goulding Brown B – 0-1 – Thomas, George Alan – G10 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. h3 O-O 7. Be3 Nxe4 8. Nxe4 d5 9. Nxe5 dxc4 10. Nxc6 bxc6
1950 HUN-ch06 – Round 1 – Pogats, Jozsef Jr. – 1/2-1/2 – Balogh, Janos – G53 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O h6 8. Re1 Bd7 9. b3 Re8 10. Bb2 Bf8
1950 HUN-ch06 – Round 1 – Sebestyen, Balazs – 0-1 – Vajda, Arpad – G54 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nd7 7. c4 Ngf6 8. Nc3 O-O 9. h3 Kh8 10. g4 Ng8
1950 Moskou ch-URS – Round 1 – Konstantinopolsky, Alexander – 1/2-1/2 – Alatortsev, Vladimir N. – G101 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 c5 7. h3 Na6 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. O-O Nf6
1950 NLD Ch Amsterdam NED – Round 1 – Barendregt, Johan – 1-0 – Donner, Jan-Hein – G10 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Be3 Nf6 8. Nc3 Ng4 9. Bd2 Nd4 10. Nxd4 exd4
1951 Bad Pyrmont zt – Round ? – Bogoljubow, Efim – 0-1 – Aitken, James – G18 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. c4 O-O 8. Nc3 Na6 9. h3 Nc5 10. Bc2 a5
1951 Bucharest GMT 2nd – Round 12 – Pogats, Jozsef Jr. – 0-1 – Szabo, Stefan – G51 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O Nd7 8. Be3 Nb6 9. Bb3 Bf6 10. Qd2 Na5
1951 Chigorin Memorial – Round ? – Korchnoi, Viktor – 1/2-1/2 – Smyslov, Vasily – G23 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. h3 c6 8. c4 b5 9. Nc3 b4 10. Ne2 O-O
1951 Chigorin Memorial – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Smyslov, Vladimir – G11 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. h3 c6 8. c4 b5 9. Nc3 b4 10. Ne2 O-O
1951 Hungary Ch – Round 1 – Pogats, Jozsef Jr. – 1-0 – Hajtun, Jozsef – G25 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O h6 8. Be3 Bd7 9. Qd2 Kh7 10. Rad1 Qe8
1951 ITA-SUI – Round 2 – Fletzer, Gino – 0-1 – Henneberger, Walter – G7 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O h6 8. Be3 Re8 9. Qd3 Bf8 10. Rad1 exd4
1951 Luzern Christmas 5152 5th – Round 3 – Grob, Henry – 1-0 – Chaude de Silans, Chantal – G6 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. h3 Bd7 7. Be3 a6 8. d5 Nb8 9. g4 Bc8 10. g5 Nfd7
1951 Moskou ch-URS – Round 1 – Lipnitsky, Isaac – 0-1 – Petrosian, Tigran A. – G113 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. h3 O-O 7. O-O a6 8. a4 exd4 9. Nxd4 Nb4 10. Nd5 Nbxd5
1951 Moskou ch-URS – Round 1 – Novotelnov, Nikolai – 0-1 – Taimanov, Mark E – G112 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. h3 O-O 7. d5 Nb8 8. g4 c6 9. g5 Ne8 10. a3 a6
1951 Zonal – Round 13 – Prins, Lodewijk – 1-0 – Kramer, Haije – G32 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. O-O Nf6 6. d5 Nb8 7. Re1 Bg4 8. h3 Bh5 9. Nbd2 c6 10. Nf1 cxd5
1952 URS Ch sf – Round ? – Kopilov, Nikolay Georgiyevich – 1-0 – Alatortsev, Vladimir N. – G22 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. c4 c5 8. Nc3 O-O 9. h3 Ne8 10. Be3 Na6
1952 URS Ch sf Leningrad RUS – Round ? – Sopkov – 1-0 – Alatortsev, Vladimir N. – G17 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. h3 O-O 7. O-O Nd7 8. Be3 Nb6 9. Bb5 exd4 10. Nxd4 Ne5
1953 Bucharest – Round 11 – Ciocaltea, Victor – 1/2-1/2 – Szabo, Ladislav – G110 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. O-O Nf6 8. Nc3 O-O 9. Bg5 Bg4 10. Bxf6 Bxf6
1953 Bucharest – Round 5 – O'Kelly, Albéric de Galway – 1/2-1/2 – Szabo, Stefan – G52 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. h3 Nf6 8. Nc3 Nd4 9. Bd3 Nxf3+ 10. gxf3 Nh5
1953 Hoogovens – Round 6 – Rossolimo, Nicolas – 1-0 – Euwe, Max – G38 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Nc3 f6 8. a3 Na5 9. Ba2 b6 10. Be3 Nb7
1953 Mitropa Cup – Round 2 – Geiger, Hans – 0-1 – Bozic, Aleksandar – G12 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Nc3 f5 7. exf5 Bxf5 8. Qe2 Nd7 9. h3 a6 10. Bd3 Bxd3
1953 URS Team Ch – Round 7 – Tolush, Alexander V – 0-1 – Alatortsev, Vladimir N. – G14 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Be7 5. d5 Na5 6. Bd3 c5 7. c3 b6 8. Nbd2 Nf6 9. h3 O-O 10. g4 Ne8
1954 New York ch-USA – Round 11 – Rossolimo, Nicolas – 1/2-1/2 – Bernstein, Sidney – G46 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Nc3 Nf6 8. Be3 Bg4 9. O-O-O O-O 10. h3 Bh5
1954 URS Ch sf Leningrad RUS – Round 7 – Estrin, Yakov – 1/2-1/2 – Ragozin, Viacheslav – G13 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Be7 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Nc3 Nf6 8. Be3 Bg4 9. Bb5 Nd7 10. Bxc6 bxc6
1954 URS Team Ch – Round 8 – Klovans, Janis – 0-1 – Baranov, Boris – G149 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. c4 Nbd7 8. Nc3 Nc5 9. Bc2 a5 10. Be3 b6
1955 Moscow – Round 1 – Bronstein, David I – 1-0 – Scherbakov, Lev – G12 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Bd5 Bd7 7. Ng5 Bxg5 8. Qh5 g6 9. Qxg5 Qxg5 10. Bxg5 Nd4
1955 URS Ch sf Moscow RUS – Round 1 – Lein, Anatoly – 0-1 – Krogius, Nikolai V – G25 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. c4 O-O 8. Nc3 c6 9. h3 Nbd7 10. Be3 a6
1956 AUT-DDR m – Round 1.4 – Kinzel, Anton – 0-1 – Herrmann, Ludwig – G3 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O exd4 8. Nxd4 Ne5 9. Be2 Re8 10. f4 Ng6
1956 ITA-ch18 Rovigo – Round 3 – Zichichi, Alvise – 0-1 – Siveri, Armando – G10 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. c4 b6 8. Nc3 O-O 9. O-O a5 10. Rb1 Na6
1956 Moscow olm fin-A – Round 11 – Blau, Max – 1/2-1/2 – Minev, Nikolay N – G189 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. O-O Nf6 6. d5 Nb8 7. Bd3 O-O 8. c4 Na6 9. Nc3 Nc5 10. Bc2 a5
1957 Viborg Jubilaeum – Round 5 – Rellstab, Ludwig Sr – 0-1 – Pfeiffer, Gerhard – G9 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. h3 O-O 7. Bb5 exd4 8. Nxd4 Nxd4 9. Qxd4 c6 10. Be2 b5
1959 Dresden – Round 7 – Zinn, Lothar – 1/2-1/2 – Karaklajic, Nikola – G53 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Nc3 Bd7 8. Be3 Nf6 9. O-O-O Be7 10. Nb5 Rc8
1959 Krakow – Round 9 – Witkowski, Stefan – 1/2-1/2 – Tarnowski, Alfred – G32 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nd7 7. c4 c5 8. dxc6 bxc6 9. Nc3 Nc5 10. Bc2 Nf6
1959 York ch-BCF – Round 2 – Cafferty, Bernard – 0-1 – Naylor, Jonathan – G31 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. d5 Nb8 8. O-O Kh8 9. Bd3 Ng8 10. Qe2 g6
1959 York ch-BCF – Round 4 – Clough, Fred – 0-1 – Sergeant, Edward – G56 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. Be3 exd4 8. Nxd4 Bd7 9. Qd2 Nxd4 10. Bxd4 Bc6
1960 Leningrad ch-URS – Round 5 – Sakharov, Yuri G. – 0-1 – Petrosian, Tigran A. – G46 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Nc3 Be7 8. Bb5 Bd6 9. Be3 Ne7 10. O-O-O Bg4
1960 UKR Ch – Round 1 – Volchok, Alexandr – 1/2-1/2 – Ousatchi, Mark – G5 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Bg4 7. c4 Bxf3 8. Qxf3 Bg5 9. Nc3 Bxc1 10. Rxc1 Ne7
1961 Bucharest GMT 5th – Round 13 – Radulov, Ivan – 1/2-1/2 – Tarnowski, Alfred – G53 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. Be3 Nxe4 8. Nxe4 d5 9. Nxe5 Nxe5 10. Bb3 Nc6
1961 Buenos Aires ch-ARG – Round 17 – Goldenberg, Edgardo – 1-0 – Benko, Francisco – G110 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Nbd2 Nd7 7. c3 Nf8 8. Bb5+ Nd7 9. c4 Nf6 10. c5 O-O
1961 GBR Ch 48th – Round 3.4 – Cafferty, Bernard – 1/2-1/2 – Haygarth, Michael John – G25 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. O-O Nf6 6. d5 Nb8 7. Nc3 O-O 8. h3 Nbd7 9. Re1 Ne8 10. a4 g6
1962 Hoogovens – Round 1 – O'Kelly, Albéric de Galway – 1/2-1/2 – Robatsch, Karl – G11 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Be3 Nge7 8. Nc3 Ng6 9. O-O-O Bg4 10. Rd2 O-O
1962 IBM – Round 2 – Heidenfeld, Wolfgang – 0-1 – Henneberke, Frans – G17 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. d5 Nb8 7. O-O O-O 8. Ne1 a6 9. a4 Bg4 10. Be2 Bxe2
1962 Skopje ch17-YUG – Round 3 – Buljovcic, Ivan – 1/2-1/2 – Matanovic, Aleksandar – G92 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Be7 5. dxe5 dxe5 6. Qe2 Nf6 7. O-O Nd4 8. Qd3 Nxf3+ 9. Qxf3 Qd4 10. Bd3 O-O
1963 Fortaleza zt – Round 13 – Gadia, Olicio – 1-0 – Olivera, Juan Francisco – G71 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O h6 8. Be3 Bd7 9. Qe2 Qc8 10. Rad1 Re8
1963 Fortaleza zt – Round 6 – Asfora, Eduardo Hasbum – 1-0 – Camara, Helder – G31 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nd7 7. c4 Nc5 8. b4 Nxd3+ 9. Qxd3 a5 10. bxa5 Rxa5
1963 Leningrad ch-URS – Round 1 – Bagirov, Vladimir – 1-0 – Bondarevsky, Igor – G118 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Be3 Nf6 8. Nc3 a6 9. h3 Be7 10. O-O-O Bd6
1963 URS – Round ? – Kapengut, Albert – 1-0 – Butnorius, Algimantas – G17 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. d5 Nb8 7. Nc3 O-O 8. g4 Nbd7 9. Be3 Nb6 10. Bb3 Bd7
1965 DDR Ch 15th – Round 7 – Hennings, Artur – 1-0 – Schoeneberg, Manfred – G31 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Be3 f6 8. Nc3 Na5 9. Be2 Be6 10. Nd2 a6
1965 Hastings ch-BCF – Round 3 – Hardy, Olivier – 1/2-1/2 – Haygarth, Michael J – G43 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Be3 Nf6 8. Nc3 Bg4 9. O-O-O a6 10. h3 Bh5
1965 Hungary – Round 1 – Honfi, K. – 1-0 – Szilagyi, Peter – G91 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Be7 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Nc3 Nf6 8. Be3 Nd7 9. O-O-O O-O 10. Rd2 Nb6
1965 POL Ch 23th sf – Round 1 – Kwasniewski, Zdzislaw – 1/2-1/2 – Tarnowski, Alfred – G2 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nd7 7. c4 c5 8. Nc3 Nf8 9. Be3 Ng6 10. h3 Bf6
1965 POL Ch 23th sf – Round 6 – Erenski, Przemyslaw – 0-1 – Tarnowski, Alfred – G16 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Be3 Nf6 8. Nbd2 Ng4 9. Bc5 Be7 10. Bxe7 Kxe7
1965 Wch U20 f-A Barcelona ESP – Round 9 – Zwaig, Arne – 0-1 – Bronstein, Luis Marcos – G17 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O h6 8. Be3 Re8 9. Qd2 exd4 10. Nxd4 Bf8
1966 Mar del Plata – Round 12 – Sanguineti, Raúl Carlos – 1-0 – Rubinetti, Jorge – G56 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Be7 5. h3 exd4 6. Nxd4 Nf6 7. Nc3 O-O 8. O-O Ne5 9. Be2 c6 10. Re1 Re8
1966 Sunderland ch-BCF – Round 1 – Coast, Peter – 1/2-1/2 – Haygarth, Michael J – G20 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. O-O Bg4 8. Ng5 Bxg5 9. Bxg5 Nd4 10. Na3 Be2
1967 Cordoba Open – Round 1 – Puiggros, Guillermo – 1-0 – Bronstein, Luis Marcos – G3 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O exd4 8. Nxd4 Re8 9. Re1 Bf8 10. Bg5 h6
1967 Leningrad RUS – Round ? – Fuchs, Reinhart – 0-1 – Kholmov, Ratmir D – G10 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Be7 5. d5 Nb8 6. Bd3 Nf6 7. c4 O-O 8. h4 Nbd7 9. Nc3 Ne8 10. O-O g6
1967 October Revolution 50 – Round 1 – Fuchs, Reinhart – 0-1 – Kholmov, Ratmir D – G61 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Be7 5. d5 Nb8 6. Bd3 Nf6 7. c4 O-O 8. h3 Nbd7 9. Nc3 Ne8 10. O-O g6
1968 Islington Open 4th – Round 3 – Jones, Marc – 0-1 – Wade, Robert G – G8 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. h3 Nbd7 8. Be3 Nf8 9. O-O Ng6 10. Qd2 Nh5
1968 POL Ch 25th – Round 9 – Matkowski, Wiktor – 0-1 – Grabczewski, Romuald – G53 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 Be7 5. Nc3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Bb5 exd4 9. Nxd4 Qd7 10. Nxc6 bxc6
1968 Yugoslavia – Round 1 – Mestrovic, Zvonimir – 1-0 – Fucak, Emilio Milko – G16 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. h3 exd4 7. Nxd4 O-O 8. O-O Bd7 9. Be3 Nxd4 10. Bxd4 Bc6
1969 Hoogovens-B – Round 1 – Bredewout, Henk – 1/2-1/2 – Jongsma, Alexander – G1 1. e4 Nc6 2. Nf3 e5 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O Nxe4 8. Nxe4 d5 9. Bxd5 Qxd5 10. Nc3 Qd6
1969 San Juan – Round 15 – Kaplan, Julio – 1/2-1/2 – Colon Romero, Arturo – G104 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. c4 Nbd7 8. Nc3 O-O 9. h3 Nc5 10. Bc2 a5
1974 Manila – Round 1 – Vasiukov, Evgeni – 1/2-1/2 – Gheorghiu, Florin – G118 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Nc3 Nf6 8. Be3 O-O 9. Bc5 Re8 10. Ng5 Be6
1974 Manila – Round 10 – Vasiukov, Evgeni – 1-0 – Gheorghiu, Florin – G117 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. Nc3 Nf6 8. Be3 O-O 9. Bc5 Re8 10. Ng5 Be6
1975 Portoroz/Ljubljana – Round 7 – Mariotti, Sergio – 1-0 – Osterman, Rudolf – G95 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 O-O 7. O-O Nxe4 8. Nxe4 d5 9. Bxd5 Qxd5 10. Nc3 Qd6
Candidats qf4 1977 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Hort, Vlastimil – G1 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. h3 O-O 7. O-O Nxd4 8. Nxd4 exd4 9. Qxd4 c6 10. a4 Nd7
Spassky - Hort Candidates Quarterfinal 1977 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Hort, Vlastimil – G1 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. Nc3 Nf6 6. h3 O-O 7. O-O Nxd4 8. Nxd4 exd4 9. Qxd4 c6 10. a4 Nd7

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