C30k — KGD: Classical, 3.Nf3 d6

1.e4 e5 2.f4 Bc5 3.Nf3 d6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte g5, paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● d3 — Libérer Bc1
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte d4, Bc5 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre, pawn f4 en prise.
Problèmes : roi au centre, Bc8 enfermé, 5 pièces non développées (B8, G8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Nf6 — Développer Ng8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C30k — KGD: Classical

1.e4 e5 2.f4 Bc5 3.Nf3 d6

Eval: [+0.00]

Les coups candidats

4.c3 — 36.8% (1798 parties) →

Ambassadeurs : Lasker, Emanuel (13x), Westerinen, Heikki M.J. (12x), Reti, Richard (11x), ? (11x), Janowski, Dawid (10x), Rubinstein, Akiba (9x), Spielmann, Rudolf (8x), D Marco, Gianni (8x)

4.Nc3 — 28.6% (1399 parties) →

Ambassadeurs : Chigorin, Mikhail (13x), Malmstroem, Jan Hendrik (12x), Alapin, Simon (9x), Jirka, Jiri (9x), Zelic, Mladen (8x), Rubinstein, Akiba (7x), Xu, Xianliang (7x), Pillsbury, Harry (6x)

4.Bc4 — 26.4% (1292 parties)

Ambassadeurs : Steinitz, Wilhelm (22x), Chigorin, Mikhail (18x), Neumann, Augustin (13x), Alekhine, Alexander (11x), Spielmann, Rudolf (11x), Blackburne, Joseph (10x), Perlis, Julius (10x), Anderssen, Adolf (9x)

4.d4 — 3.1% (153 parties)

Ambassadeurs : Lasker, Emanuel (3x), Duras, Oldrich (3x), Delmar, Eugene (2x), Capablanca, Jose (2x), Racherbaeumer, Marcel (2x), Simlova, Jana (2x), Fecke, Andreas (2x), Konijn, Bart (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.c3	4.Nc3	4.Bc4	4.d4
<1800	259	29%	24%	33%	6%
1800-2200	1624	35%	29%	28%	4%
2200-2600	883	45%	38%	12%	1%
2600+	3	33%	67%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4.c3	4.Nc3	4.Bc4	4.d4
1620s	1	100%	—	—	—
1790s	1	100%	—	—	—
1830s	10	20%	—	70%	—
1840s	4	50%	—	50%	—
1850s	34	56%	—	29%	—
1860s	39	41%	3%	54%	—
1870s	22	23%	14%	59%	5%
1880s	43	28%	37%	33%	—
1890s	70	26%	21%	40%	9%
1900s	210	30%	22%	42%	1%
1910s	80	38%	20%	22%	10%
1920s	55	38%	22%	35%	2%
1930s	32	53%	6%	28%	3%
1940s	38	42%	24%	18%	11%
1950s	47	68%	9%	19%	2%
1960s	49	67%	8%	16%	4%
1970s	124	45%	23%	17%	3%
1980s	282	45%	29%	18%	1%
1990s	1123	39%	31%	24%	2%
2000s	1449	33%	32%	27%	4%
2010s	1029	34%	31%	27%	4%
2020s	148	47%	27%	19%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.c3	34%	47%	▲ +12.4%
4.Nc3	31%	27%	▼ -3.8%
4.Bc4	27%	19%	▼ -8.3%
4.d4	4%	4%	+0.4%

Joueurs célèbres

Champions du monde dans cette position

Steinitz, Wilhelm — 10 parties
Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Euwe, Max — 2 parties
Smyslov, Vladimir — 1 partie

Parties historiques

4.c3 — 36.8% (1798 parties)

1620 — Greco, Gioacchino vs ? — 1-0 — Europe
1797 — De Beaurevoir B vs Ayala del Rio, Erik — 0-1 — Modena
1837 — Von der Goltz, Alexander Ferdinand vs Von der Lasa, Tassilo — 0-1 — Berlin GER
1839 — Von der Lasa, Tassilo vs Von Bilguer, Paul — 0-1 — Berlin GER
1842 — Von der Lasa, Tassilo vs Jaenisch, Carl F A — 1-0 — Berlin GER

4.Nc3 — 28.6% (1399 parties)

1865 — Tegeler, G. vs Watkinson, John — 1-0 — Bradford
1873 — Blackburne, Joseph vs Anderssen, Adolf — 1-0 — Vienna AUT
1875 — Fisher Charles M vs Goldsmith, Louis — 1-0 — Melbourne AUS
1878 — Chigorin, Mikhail vs Emmanuel Schiffers — 1-0 — St Petersburg RUS
1881 — Winawer, Szymon vs Wemmers, Carl — 1-0 — Berlin GER

4.Bc4 — 26.4% (1292 parties)

1830 — MacDonnell, Alexander vs ? — 1-0 — London ENG
1837 — Seligo, Maj vs Von der Lasa, Tassilo — 0-1 — Berlin GER
1837 — Von der Lasa, Tassilo vs Seligo, Maj — 1-0 — Berlin GER
1837 — Von der Goltz, Alexander Ferdinand vs Von der Lasa, Tassilo — 1-0 — Berlin GER
1837 — Von der Goltz, Alexander Ferdinand vs Von der Lasa, Tassilo — 0-1 — Berlin GER

4.d4 — 3.1% (153 parties)

1873 — Madan, Falconer vs Neville, Francis Henry — 0-1 — City of London CC
1892 — Albin, Adolf vs Marco, Georg — 0-1 — Dresden GER
1892 — Lasker, Emanuel vs Arthur Jacob Souweine — 1-0 — Brooklyn, NY USA (Brooklyn CC)
1892 — Lasker, Emanuel vs Palmerston Barry — 1/2-1/2 — Montreal CAN
1892 — Lasker, Emanuel vs Robert Colwell — 1-0 — Brooklyn, NY USA (Brooklyn CC)

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

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 5)
Bc5		● Bc5 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, c1, f1, a1, h1)	5 (b8, 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, ● d2-d3, ● f4-f5	● …c7-c6, ● …d6-d5, ● …f7-f6, ● …f7-f5

Partie
1900 New York – Round 1 – Delaire, Anaelle – 0-1 – Janowski, Dawid – G2 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Nc6 6. c3 O-O 7. b4 Bb6 8. a4 a6 9. Na3 d5 10. fxe5 dxc4
1901 Buffalo – Round 10 – Marshall Viele, Fabrizio Aaron – 0-1 – Delmar, Eugene – G23 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. d4 exd4 5. Bd3 Nc6 6. O-O Bg4 7. h3 Bxf3 8. Qxf3 Nf6 9. a3 a5 10. Kh1 h5
1901 Monte Carlo – Round 6 – Blackburne, Joseph – 1/2-1/2 – Reggio, Arturo – G22 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. c3 Nf6 6. Qe2 Bg4 7. h3 Bxf3 8. Qxf3 Qe7 9. f5 a6 10. d3 Nd7
1902 DSB-13.Kongress – Round 11 – Suchting, H. – 0-1 – Wolf, Hans-Josef – G47 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 O-O 6. Nc3 Bg4 7. Na4 Nc6 8. Nxc5 dxc5 9. Be3 exf4 10. Bxf4 Nh5
1902 DSB-13.Kongress Hauptturnier A – Round 10 – Loman, Rudolf – 1-0 – Exner Victor – G25 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Bg4 6. c3 Qe7 7. h3 Bxf3 8. Qxf3 Nf6 9. Nd2 O-O-O 10. b4 Bb6
1902 Monte Carlo Monte Carlo MNC – Round 6 – Chigorin, Mikhail – 1-0 – Albin, Adolf – G10 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qh4+ 8. g3 Nd4 9. Qg2 Qd8 10. d3 c6
1904 BCF Ch 1st – Round 7 – Chepmell, Claude Herries – 0-1 – Atkins, Henry Ernest – G24 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Nc6 6. b4 Bxb4+ 7. c3 Bc5 8. f5 8. ... d5 9. exd5 Nxd5 10. Qb3 O-O
1904 London – Round 7 – Loman, Rudolf – 0-1 – Tattersall Creassey, Edward C – G22 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. Nc3 a6 6. d3 b5 7. Bb3 Na5 8. Qe2 Nxb3 9. axb3 Bg4 10. h3 Bxf3
1904 Vienna Gambit – Round 10 – Marco, Georg – 0-1 – Perlis, Julius – G36 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Be6 6. Bb3 Nc6 7. Nc3 Qe7 8. f5 Bxb3 9. axb3 h6 10. Qe2 O-O-O
1904 Vienna Gambit – Round 11 – Albin, Adolf – 1/2-1/2 – Wolf Heinrich – G38 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Nf6 6. Qe2 O-O 7. fxe5 Nxe5 8. Nxe5 dxe5 9. Bg5 c6 10. Nd2 b5
1904 Vienna Gambit – Round 11 – Maroczy, Geza – 0-1 – Perlis, Julius – G37 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Be6 5. Be2 Nf6 6. c3 Bb6 7. fxe5 Ng4 8. d4 dxe5 9. Ng5 Nh6 10. O-O Qd6
1904 Vienna Gambit – Round 12 – Kostic, Boris – 1/2-1/2 – John, Walter – G40 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Nc6 6. c3 Bg4 7. h3 Bxf3 8. Qxf3 Qe7 9. f5 h6 10. Nd2 a6
1904 Vienna Gambit – Round 12 – Perlis, Julius – 1/2-1/2 – Schlechter, Carl – G41 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Nf6 6. c3 Bg4 7. h3 Bxf3 8. Qxf3 Qe7 9. f5 h6 10. Nd2 a6
1904 Vienna Gambit – Round 13 – Albin, Adolf – 0-1 – Perlis, Julius – G45 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 Nc6 6. fxe5 Ng4 7. exd6 Qxd6 8. d3 O-O 9. Nc3 Nge5 10. Bb3 Bg4
1904 Vienna Gambit – Round 14 – Perlis, Julius – 1/2-1/2 – Neumann Feliu, Rodrigo – G46 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 O-O 6. Nc3 Bg4 7. f5 Nh5 8. Na4 Nc6 9. Nxc5 dxc5 10. c3 Na5
1904 Vienna Gambit – Round 17 – Johner, Paul – 0-1 – Neumann, Augustin – G52 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Nc6 6. c3 Qe7 7. b4 Bb6 8. a4 a6 9. Ra2 exf4 10. Re2 Ne5
1904 Vienna Gambit – Round 17 – Loewy, Leopold Jr – 0-1 – Marco, Georg – G51 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 c6 6. fxe5 dxe5 7. Bg5 Nbd7 8. Nc3 b5 9. Bb3 a5 10. a4 b4
1904 Vienna Gambit – Round 18 – Albin, Adolf – 1/2-1/2 – Johner, Paul – G55 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. c3 Nf6 6. Qe2 Qe7 7. d3 Bg4 8. Bb5 Nh5 9. fxe5 dxe5 10. Be3 O-O
1904 Vienna Gambit – Round 18 – Marco, Georg – 1/2-1/2 – Neumann, Augustin – G57 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Bg4 6. c3 Nf6 7. h3 Bxf3 8. Qxf3 Qe7 9. f5 h6 10. Nd2 O-O-O
1904 Vienna Gambit – Round 18 – Perlis, Julius – 1/2-1/2 – Loewy, Leopold Jr – G54 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Nf6 6. c3 Bb6 7. Bb5 Bg4 8. h3 Bxf3 9. Qxf3 h6 10. fxe5 dxe5
1904 Vienna Gambit – Round 3 – John, Walter – 1-0 – Kostic, Boris – G12 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 O-O 6. Nc3 c6 7. fxe5 dxe5 8. Qe2 b5 9. Bb3 Nbd7 10. Nd1 a5
1904 Vienna Gambit – Round 4 – Perlis, Julius – 1/2-1/2 – Albin, Adolf – G19 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Bg4 6. c3 a6 7. h3 Bxf3 8. Qxf3 Qh4+ 9. g3 Qf6 10. Rf1 Ba7
1904 Vienna Gambit – Round 5 – Vidmar, Milan Sr – 0-1 – Wolf Heinrich – G20 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Bg4 6. c3 Nf6 7. h3 Bxf3 8. Qxf3 Qe7 9. Bb3 h6 10. f5 O-O-O
1904 Vienna Gambit – Round 6 – John, Walter – 1-0 – Neumann, Augustin – G23 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 O-O 6. Nc3 c6 7. fxe5 dxe5 8. Qe2 b5 9. Bb3 Nbd7 10. a4 b4
1904 Vienna Gambit – Round 8 – Marco, Georg – 1-0 – Loewy, Leopold Jr – G29 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. c3 Bg4 6. b4 Bb6 7. a4 a6 8. h3 Bxf3 9. Qxf3 Qf6 10. f5 Nge7
1904 Vienna Gambit – Round 9 – Loewy, L jr – 1/2-1/2 – Perlis, Julius – G30 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Be6 6. Bb3 Nc6 7. c3 Qe7 8. Bc2 Bg4 9. h3 Bxf3 10. Qxf3 O-O-O
1905 It (Men) Stockholm SWE – Round 24 – Chigorin, Mikhail – 0-1 – Tartakower, Savielly – G85 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Be6 6. Bxe6 fxe6 7. Nc3 O-O 8. Na4 Bb6 9. Nxb6 axb6 10. fxe5 dxe5
1905 It (Men) Stockholm SWE – Round 26 – Chigorin, Mikhail – 1/2-1/2 – Schelfhout, Willem – G95 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Be6 6. Bxe6 fxe6 7. Nc3 Qf6 8. f5 exf5 9. Nd5 Qf7 10. Ng5 Qd7
1905 Ostende – Round 4 – Chigorin, Mikhail – 1-0 – D Marco, Gianni – G14 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Nbd7 6. Nc3 c6 7. Qe2 b5 8. Bb3 a5 9. a4 b4 10. Nd1 Ba6
1907 Karlsbad – Round 1 – Důras, Oldřich – 1-0 – Berger, Johann – G73 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Nc6 6. c3 O-O 7. Qe2 exf4 8. Bb3 Re8 9. Bxf4 h6 10. Nbd2 Qe7
1907 Ostende II – Round 14 – Spielmann, Rudolf – 0-1 – D Marco, Gianni – G167 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 c6 5. d3 Nd7 6. Nc3 b5 7. Bb3 Qb6 8. Qe2 Ngf6 9. Nd1 O-O 10. f5 d5
1907 Ostende II – Round 25 – Důras, Oldřich – 1-0 – Billecard, Moritz – G296 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Nf6 6. c3 Bb6 7. Qe2 Bg4 8. h3 Bxf3 9. Qxf3 Qe7 10. f5 h6
1907 Vienna – Round 9 – Spielmann, Rudolf – 1-0 – Albin, Adolf – G40 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Nd4 8. Qg3 exf4 9. Qxf4 Qf6 10. Qg3 Qg6
1908 DSB-16.Kongress – Round 6 – Von Bardeleben, Curt – 1-0 – Przepiorka, Dawid – G32 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. d4 exd4 5. Bd3 Nc6 6. O-O Bg4 7. h3 Bxf3 8. Qxf3 Qd7 9. a3 Bb6 10. b4 a6
1915 Triberg – Round 3 – Romanovsky, Pjotr – 0-1 – Selezniev, Alexey – G10 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qh4+ 8. g3 Nd4 9. Qg2 Qh5 10. d3 Qf3
1921 Carrasco – Round 9 – Reca, Damian M – 0-1 – Grau, Roberto G – G26 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. d4 exd4 5. Bd3 Bg4 6. O-O Nc6 7. Qe1 Bxf3 8. Rxf3 Qe7 9. Bd2 a5 10. Na3 Nf6
1925 CSR tour sim – Round ? – Alekhine, Alexander – 1-0 – Havlicek, F – G21 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. d3 Na5 6. Bd5 c6 7. Bxf7+ Kxf7 8. fxe5 b5 9. d4 Bb6 10. O-O Ke8
1934 Sitges – Round 11 – Prins, Lodewijk – 1/2-1/2 – Gromer, Aristide – G64 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. fxe5 dxe5 6. Qe2 Nc6 7. c3 Bg4 8. d3 Nh5 9. Be3 Bxe3 10. Qxe3 Nf4
1937 Stockholm – Round 1 – Cuero Reid, Maximo Javier – 0-1 – Van Scheltinga, Theo – G4 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. c3 Bg4 6. d4 exd4 7. O-O Nf6 8. e5 dxe5 9. fxe5 dxc3+ 10. Kh1 Qxd1
1937 Stockholm ol – Round 6 – Reid, Alan – 0-1 – Van Scheltinga, Theo – G36 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. c3 Bg4 6. d4 exd4 7. O-O Nf6 8. e5 dxe5 9. fxe5 dxc3+ 10. Kh1 Qxd1
1937 Stockholm SWE – Round 6 – Reid, Peter – 0-1 – Van Scheltinga, Theo – G28 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. c3 Bg4 6. d4 exd4 7. O-O Nf6 8. e5 dxe5 9. fxe5 dxc3+ 10. Kh1 Qxd1
1949 BUL Ch – Round 1 – Padevsky, Nikola – 0-1 – Ivanov, Pavel – G4 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Be6 6. Bxe6 fxe6 7. fxe5 dxe5 8. Bg5 Nc6 9. Nc3 Qd6 10. Qd2 O-O-O
1949 BUL Ch – Round 9 – Padevsky, Nikola – 1-0 – Zvetkov, Aleksandar – G45 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Be6 6. Bxe6 fxe6 7. fxe5 dxe5 8. Bg5 Nc6 9. Nc3 Qe7 10. Qd2 O-O-O
1951 Simul Prins clock – Round ? – Prins, Lodewijk – 0-1 – Gordon, Morris – G6 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. d4 exd4 5. Bd3 Nf6 6. O-O O-O 7. e5 Ng4 8. h3 Nh6 9. Nbd2 d5 10. Nb3 Bb6
1952 Helsinki olm – Round 1 – Rossetto, Hector – 1-0 – Kremer, Paul – G228 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Be6 5. Bxe6 fxe6 6. fxe5 dxe5 7. d3 Nc6 8. Bg5 Nf6 9. Nc3 a6 10. Qd2 Qd6
1952 Mar del Plata – Round 3 – Rossetto, Hector – 0-1 – Cuellar Alpire, Mariana – G23 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. d3 Nc6 6. c3 O-O 7. b4 Bb6 8. Qb3 a5 9. b5 a4 10. Qc2 Na5
1955 CAN Ch – Round 5 – Raletich George – 0-1 – Bohatirchuk, Fedor – G21 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nc6 5. c3 Nf6 6. d4 exd4 7. cxd4 Bb4+ 8. Bd2 Bxd2+ 9. Nbxd2 d5 10. Bb5 dxe4
1959 Skittles – Round ? – Barber Andreu, Quim – 0-1 – Blackstone, John – G32 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. f5 Nf6 5. Nc3 Nc6 6. Na4 Bb6 7. d3 O-O 8. Be2 d5 9. Bg5 dxe4 10. Bxf6 Qxf6

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