D48c — Semi-Slav: Meran, 8…a6 9.O-O c5

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 9.O-O c5 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte e4, case forte e5, Bd3 actif, paire de fous, colonne c.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé.
Plans :
● Bd2 — Développer Bc1
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (3v2), case forte d5, avant-poste d5(C), paire de fous, colonne d.
Faiblesses adverses : Bc1 enfermé.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 4 pièces non développées (C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bg4 — PRIORITÉ: libérer le Bc8 (...Bg4, ...Bf5)
● ...Be7 — Développer Bf8
● ...c4 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D48c — Meran

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 9.O-O c5

Eval: [+0.11]

Les coups candidats

10.a4 — 22.4% (376 parties)

Ambassadeurs : Clancey, James (10x), Sabbatini, Giuseppe (10x), Wojnar, Mariusz (10x), Mayr, Franz (10x), Niewold, Jaap (10x), Brunner, Mag. Robert (10x), Rubinstein, Akiba (4x), Gruenfeld, Ernst (4x)

10.Qe2 — 22.4% (376 parties) →

Ambassadeurs : Bogoljubow, Efim (5x), Euwe, Max (3x), Vidmar Milan (3x), Ahues, Carl (3x), Andersen, Erik (3x), Starck, Bodo (3x), Thomas, George Alan (2x), Pomar Salamanca, Arturo (2x)

10.b3 — 20.2% (339 parties)

Ambassadeurs : Euwe, Max (3x), Larsen, Odd Ingolf (2x), Lamprecht, Mark (2x), Kaeser, Udo, Dr. (2x), Ramirez, Heimy Polgar (2x), Avci, Abdurrahman (2x), Fitzke, Ulrich (2x), Mackenzie, Arthur J (1x)

10.dxc5 — 10.4% (175 parties)

Ambassadeurs : Lauvsnes, Arild (2x), Melnik, Galina (2x), Zirnis, Arvids (1x), Zemgalis, Elmars (1x), Capablanca, Jose (1x), Bernstein, Ossip (1x), Werner, Maik (1x), Najdorf, Miguel (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.a4	10.Qe2	10.b3	10.dxc5
<1800	69	13%	14%	32%	17%
1800-2200	746	17%	20%	23%	12%
2200-2600	424	34%	29%	14%	4%
2600+	11	27%	36%	9%	—

Évolution par décennie (% des parties)

Décennie	N parties	10.a4	10.Qe2	10.b3	10.dxc5
1900s	1	100%	—	—	—
1910s	2	—	50%	—	50%
1920s	29	38%	38%	17%	3%
1930s	40	32%	45%	15%	—
1940s	31	35%	16%	23%	10%
1950s	33	45%	30%	15%	3%
1960s	19	16%	53%	11%	—
1970s	19	5%	21%	26%	5%
1980s	54	24%	31%	20%	13%
1990s	238	20%	25%	19%	8%
2000s	545	19%	18%	20%	12%
2010s	601	24%	20%	22%	12%
2020s	67	22%	36%	21%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.a4	24%	22%	▼ -1.2%
10.Qe2	20%	36%	▲ +16.0%
10.b3	22%	21%	▼ -0.7%
10.dxc5	12%	6%	▼ -5.8%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 7 parties
Alekhine, Alexander — 2 parties
Gukesh D — 1 partie

Parties historiques

10.a4 — 22.4% (376 parties)

1907 — Teichmann, Richard vs Berger, Jacob — 1/2-1/2 — Carlsbad CZE
1924 — Gruenfeld, Ernst vs Rubinstein, Akiba — 0-1 — Merano - Meran ITA
1924 — Gruenfeld, Ernst vs Rubinstein, Akiba — 0-1 — Meran ITA
1924 — Colle, Edgar vs Euwe, Max — 1-0 — Zutphen m
1924 — Lasker, Edward vs Tartakower, Savielly — 1-0 — New York, NY USA

10.Qe2 — 22.4% (376 parties)

1912 — Alapin, Simon vs Freiman, Andy — 0-1 — Vilnius LTU
1923 — Straat, Evert-Jan vs Euwe, Max — 0-1 — Amsterdam NED
1924 — Tarrasch, Siegbert vs Gruenfeld, Ernst — 1/2-1/2 — Meran ITA
1924 — Muller, Hans vs Master Walter Aira — 1-0 — Gyor
1924 — Van Trotsenburg, B vs Euwe, Max — 0-1 — ?

10.b3 — 20.2% (339 parties)

1924 — Mackenzie, Arthur J vs Euwe, Max — 0-1 — Weston
1924 — Banks, Newell vs Whitaker, Norman — 1/2-1/2 — Detroit, MI USA
1925 — Cs. Nagy, Gabor vs Gruenfeld, Ernst — 0-1 — Debrecen HUN
1926 — Duchamp, Marcel vs Reilly, Brian — 0-1 — Nice FRA
1927 — Nagy, Geza vs Kroone, Gerard — 0-1 — London ENG

10.dxc5 — 10.4% (175 parties)

1914 — Capablanca, Jose vs Bernstein, Ossip — 1/2-1/2 — Moscow RUS
1924 — Kroone, Gerard vs Straat, Evert — 1/2-1/2 — Amsterdam NED
1940 — Donovan, Jeremiah vs Santasiere, Anthony — 0-1 — Ventnor City
1947 — Werner, Maik vs Najdorf, Miguel — 0-1 — San Pablo
1949 — Zirnis, Arvids vs Zemgalis, Elmars — 0-1 — Esslington

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● a6→b5, f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● e5 (2v1)	● d5 (2v1)
Cases faibles	—	—
Centre	● d4 (2v1), ● e4 (2v1), ● e5 (2v1)	● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bd3	● Bd3 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	4 (c8, f8, a8, h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e3-e4	● …c5-c4, ● …e6-e5

Partie
1907 Karlsbad – Round 1 – Teichmann, Richard – 1/2-1/2 – Berger, Jacob – G20 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 dxc4 6. Bxc4 a6 7. Bd3 Nbd7 8. O-O b5 9. a4 b4 10. Nb1 Bb7
1914 Moscow – Round 1 – Capablanca, Jose – 1/2-1/2 – Bernstein, Ossip – G1 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. dxc5 Nxc5
1924 Merano – Round 1 – Gruenfeld, Ernst – 0-1 – Rubinstein, Akiba – G1 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1924 Merano – Round 5 – Spielmann, Rudolf – 0-1 – Gruenfeld, Ernst – G15 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1924 New York – Round 1 – Lasker, Edward – 1-0 – Tartakower, Savielly – G18 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1924 Weston – Round 6 – Mackenzie, Arthur J – 0-1 – Euwe, Max – G15 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. b3 Bb7
1925 Debrecen – Round 1 – Cs. Nagy, Gabor – 0-1 – Gruenfeld, Ernst – G41 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 dxc4 5. e3 c5 6. Bxc4 a6 7. Bd3 Nbd7 8. O-O b5 9. b3 Bb7 10. Bb2 Be7
1926 Hastings2627 – Round 8 – Vidmar Milan – 1-0 – Seitz, Jakob Adolf – G7 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1926 Semmering – Round 1 – Vajda, Arpad – 1-0 – Rubinstein, Akiba – G12 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 a6 7. O-O dxc4 8. Bxc4 b5 9. Bd3 c5 10. a4 b4
1927 London olm – Round 1 – Grau, Roberto G – 0-1 – Thomas, George Alan – G20 1. Nf3 Nf6 2. d4 d5 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1927 London Olympiad 1st – Round 14.52 – Nagy, Geza – 0-1 – Kroone, Gerard – G156 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. b3 Be7
1930 Hamburg GER – Round 13 – Olsen, Aage Dalstrup – 0-1 – Apscheneek, Fricis – G26 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 a6 7. O-O dxc4 8. Bxc4 b5 9. Bd3 c5 10. b3 Bb7
1930 San Remo – Round 1 – Bogoljubow, Efim – 1-0 – Kmoch, Hans – G95 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1931 Prague CSR – Round 1 – Steiner, Laszlo – 1/2-1/2 – Vidmar, Marjeta – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1931 Prague ol Prague CZE – Round 17 – Larsen, Odd Ingolf – 0-1 – Lundin, Erik – G59 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. b3 Bb7
1932 Bad Sliac – Round 1 – Bogoljubow, Efim – 0-1 – Vidmar, Marjeta – G11 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1932 Bad Sliac – Round 1 – Rohacek, Ivan – 1/2-1/2 – Pirc, Vasja – G10 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. e4 cxd4
1932 Londen – Round 7 – Flohr, Salo – 1/2-1/2 – Kashdan, Isaac – G16 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1934 Bad Liebenwerda – Round 1 – Herzog, Franz – 0-1 – Eliskases, Erich – G5 1. Nf3 Nf6 2. d4 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1935 GER Ch 3rd – Round 2 – Elstner, Rudolf – 1-0 – Lachmann, Hans G – G3 1. c4 Nf6 2. Nc3 d5 3. d4 c6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1935 Warsaw ol (Men) – Round 5 – Fine, Reuben – 1-0 – Sacconi, Antonio – G8 1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1935 Warsaw ol Warsaw POL – Round ? – Sacconi, Antonio – 0-1 – Pirc, Vasja – G40 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1938 Montevideo – Round 7 – Olivera, Alfredo – 0-1 – Maderna, Carlos – G46 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 a6 7. O-O dxc4 8. Bxc4 b5 9. Bd3 c5 10. a4 b4
1940 Ventnor City – Round 7 – Donovan, Jeremiah – 0-1 – Santasiere, Anthony – G24 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. dxc5 Bxc5
1943 Prague – Round 2 – Saemisch, Friedrich – 1/2-1/2 – Lokvenc, Josef – G9 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1945 Moskou ch-URS – Round 1 – Rudakovsky, Iosif – 1-0 – Kotov Lundqvist, Alex – G22 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1945 Novi Sad – Round 10 – Filipcic, Martin – 0-1 – Neikirkh, Oleg – G111 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1945 Novi Sad – Round 3 – Preinfalk, Anton – 0-1 – Gligorić, Svetozar – G59 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1945 Novi Sad – Round 5 – Subaric, Mladen – 0-1 – Gligorić, Svetozar – G69 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. Ne4 cxd4
1946 Nt Regensburg GER – Round 1 – Steger, Alexander – 0-1 – Unzicker, Ferdinand, Dr. – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. b3 Bb7
1946 POL Ch – Round 15 – Gawlikowski, Stanislaw – 0-1 – Blaszczak, Czeslaw – G91 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 a6 7. O-O dxc4 8. Bxc4 b5 9. Bd3 c5 10. a4 b4
1947 GBR Ch 34. Premier – Round 8 – Buerger, Victor – 0-1 – Rhodes, Herbert Gibson – G20 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a3 Bb7
1947 San Pablo blind sim – Round 29 – Werner, Maik – 0-1 – Najdorf, Miguel – G25 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Bd3 Nbd7 6. Nf3 a6 7. O-O dxc4 8. Bxc4 b5 9. Bd3 c5 10. dxc5 Nxc5
1948 Mar del Plata – Round 3 – Denker, Arnold S – 1/2-1/2 – Pilnik, Herman – G27 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 a6 7. O-O dxc4 8. Bxc4 b5 9. Bd3 c5 10. a4 b4
1948 Saltsjobaden Interzonal – Round 1 – Kotov Lundqvist, Alex – 1/2-1/2 – Trifunovic, Petar – G1 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1949 BRA Ch – Round ? – Cruz, Walter – 1-0 – Camara Ronald – G3 1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1949 Mar del Plata – Round 14 – Blanco Cruz, Wara – 1/2-1/2 – Alvarez Martin, Pedro – G119 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 a6 7. O-O dxc4 8. Bxc4 b5 9. Bd3 c5 10. a4 b4
1950 DDR Ch – Round 11 – Hunte, Hugo – 0-1 – Platz, Hans – G21 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. e3 Nbd7 5. Nf3 c6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. b3 Bb7
1950 FRG Ch Bad Pyrmont GER – Round 10 – Schifferdecker, Wilhelm – 1-0 – Niephaus, Walter – G28 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1950 FRG Ch Bad Pyrmont GER – Round 4 – Unzicker, Ferdinand, Dr. – 1-0 – Siegel, Adam – G7 1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1951 It Dortmund GER – Round 5 – Bogoljubow, Efim – 0-1 – Fuderer, Andrija – G9 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1951 New York – Round 1 – Shainswit, George – 0-1 – Najdorf, M. – G5 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 e6 5. e3 Nbd7 6. Bd3 a6 7. O-O dxc4 8. Bxc4 b5 9. Bd3 c5 10. a4 b4
1951 Wertheim Memorial – Round 10 – Shainswit, George – 0-1 – Najdorf, Miguel – G58 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 e6 5. e3 Nbd7 6. Bd3 a6 7. O-O dxc4 8. Bxc4 b5 9. Bd3 c5 10. a4 b4
1952 Helsinki olm – Round 1 – Lorson, Gerhard – 0-1 – Schmid, Leo – G6 1. c4 e6 2. Nc3 d5 3. d4 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. b3 Bb7
1952 OWL Ch – Round 1 – Hoethker Christian – 0-1 – De Meyer, Alexander – G1 1. d4 d5 2. c4 c6 3. e3 e6 4. Nf3 Nf6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a3 Bb7
1952 POL-ch10 – Round 15 – Balcarek, Wiktor – 1-0 – Witkowski, Stefan – G107 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 c6 5. Bd3 Nbd7 6. Nf3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1953 Budapest HUN – Round ? – Bojta, B – 1-0 – Barczay, Laszlo – G3 1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. dxc5 Nxc5
1956 Mar del Plata – Round 7 – Maderna, Carlos – 1-0 – Carron Gondim, Christian – G41 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1956 New York Rosenwald – Round ? – Shainswit, George – 1/2-1/2 – Turner, Abe J – G1 1. c4 c6 2. d4 d5 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1957 New York ch-USA – Round 9 – Reshevsky, Samuel – 1-0 – Berliner, Hans – G52 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Nc3 b5 8. Bd3 Nbd7 9. a4 b4 10. Ne4 Bb7
1958 Munich olm prel – Round 9 – Palmiotto, Fiorentino – 1/2-1/2 – Bergraser, Volf – G75 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 a6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 c5 9. O-O Bb7 10. Bd2 Be7
1959 Madrid – Round 4 – Sicilia Carballo, Mateo – 0-1 – Pomar Salamanca, Arturo – G18 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4
1960 Leipzig olm fin-B – Round 3 – Doda, Zbigniew – 0-1 – Pomar Salamanca, Arturo – G30 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O c5 10. a4 b4

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