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Queen's Indian, Old Main line, 9.Qxc3 Notation: 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3

In each game under Location you see masterchessopen.com but it's not a valid website, so please don't use it. Claus Gamborg, Jan. 2023

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#WhiteRatingBlackRatingResultMovesECOTournamentDate
5Reti Richard (CZE)Landau Salo (POL)1-037 ≣E15Match
7Batuev Andrey Mik...Shipunov Georgy A0-133 ≣E15Ch Leningrad
9Monticelli Mario ...Najdorf Miguel (POL)24450-135 ≣E15Olympiad
12Kolski JosekRegedzinski Teodor0-137 ≣E15It
13Euwe Max (NED)Fairhurst William...23001-039 ≣E15Match \05 Jul 1938
14Euwe Max (NED)Keres Paul (EST)25800-134 ≣E15Match
15Treybal Karel (CZE)Opocensky Karel (...0-137 ≣E15Ch Czechia
16Mulder EAJMVan den Hoek Arno...0-139 ≣E15Ch Netherlands
18Maderna Carlos H ...Bolbochan Jacobo ...0-136 ≣E15It
19Rossetto Hector (...2285Stahlberg Gideon ...0-136 ≣E15It
21Steiner Lajos (HUN)Goldstein Maurice...1-036 ≣E15Ch NSW (play-off)
22Maderna Carlos H ...Najdorf Miguel (POL)24450-130 ≣E15Memorial R.Grau
26Szabo Laszlo (HUN)1903Denker Arnold S (...22930-139 ≣E15It
28Sajtar Jaroslav (...Vymetal Vaclav (CZE)1-027 ≣E15Memorial Dobrusky...22 Jan 1946
29Koblents Alexande...Prucha Karel (CZE)1-027 ≣E15Match \
33Batik FrantisekNapolitano Mario ...0-139 ≣E15?
34Gruber BratoljubBozic Alexander0-136 ≣E15Ch Yugoslavia
35Pirc Vasja (YUG)Golombek Harry (ENG)23201-031 ≣E15It \
38Lilienthal Andor ...2385Keres Paul (EST)25800-131 ≣E15Ch URS
39Kramer Haije J (NED)2330Baay J1-036 ≣E15It
40Shocron Ruben (USA)2259Fuentes Juan Manuel1-038 ≣E15Match \
41Van Scheltinga Th...2325Golombek Harry (ENG)23201-039 ≣E15Match \12 Sep 1948
42Brunet PhilipTherien Jules1-029 ≣E15Ch Canada
43Aratovsky NikolayRovner Dmitry (RUS)1-034 ≣E15Ch URS (1/2 final)
44Najdorf Miguel (POL)2445Kottnauer Cenek (...23701-036 ≣E15It
45Schindler JosefPfeiffer Gerhard ...0-129 ≣E15Ch BRD
49Bolbochan Julio (...2440Wexler Francisco1-030 ≣E15Zt
50Euwe Max (NED)Evans Larry M (USA)24700-139 ≣E15It
53Lipnitsky Isaak (...Taimanov Mark E (...23861-034 ≣E15Ch URS (team)
54Golombek Harry (ENG)2320Nedeljkovic Sreck...21880-139 ≣E15It
55Bouwmeester Hans ...2343Kramer Haije J (NED)23300-137 ≣E15It
60Doerner CharlesTeschner Rudolf (...22950-133 ≣E15Olympiad
61Ragozin Viachesla...Cherepkov Alexand...23951-032 ≣E15Ch URS (1/2 final)
63Santiago Oliveira...Tavares Da Silva ...0-138 ≣E00Ch Brazil
64Uhlmann Wolfgang ...2379Koch Berthold (GDR)0-126 ≣E15Ch Germany
65Fuderer Andrija (...Geller Efim P (RUS)24551-036 ≣E15Olympiad
66Del Vecchio LucioCastaldi Vincenzo...0-126 ≣E15?
69Uhlmann Wolfgang ...2434Safvat Yousof (IRN)1-026 ≣E15Olympiad (sf)02 Sep 1956
70Maher Vincent (IRE)Sapre Ramchandra ...0-137 ≣E15Olympiad (sf)05 Sep 1956
73Najdorf Miguel (POL)2445Reshevsky Samuel ...24300-139 ≣E15It
76Kolarov Atanas S ...2415Chipev T (BUL)1-034 ≣E15Ch Bulgaria
77Ivkov Borislav (SRB)2416Van Den Berg Care...24101-037 ≣E15It \
79Darga Klaus (GER)2453Kupper Josef (SUI)23741-031 ≣E15Cup Clare Benedict
82Felmeri Janos (HUN)2275Tompa Janos (HUN)23981-023 ≣E15Tournament
84Hanks John (AUS)2171Hester David A1-021 ≣E15Ch Australia12 Jan 1963
86Baumbach Friedric...2239Kuttner Uwe1-039 ≣E15Ch DDR
87Olivera AlfredoVillarroel Geber ...22901-027 ≣E15Olympiad
89Keller EdithDomsgen Christina...21001-033 ≣E15Zt (w)
91Hort Vlastimil (GER)2466Belkadi Ridha (TUN)23451-035 ≣E15Olympiad
92Ivkov Borislav (SRB)2416Korchnoi Viktor (...25560-136 ≣E15Olympiad
93Edelsvard OlleWikstrom Birger1-034 ≣E15corr.
94Vaganian Rafael A...2577Lombard Andre (SUI)23501-040 ≣E15Ch Europe (juniors)
97Filip Miroslav (CZE)2465Korchnoi Viktor (...25560-137 ≣E15Olympiad
100Gerber KMueller Erich (GER)21401-025 ≣E15corr.
101Averbakh Yuri L (...2550Bilek Istvan (HUN)24851-037 ≣E15It
102Hay Trevor (AUS)2287Drira Ahmed22001-032 ≣E15Olympiad
103Lindh BengtJohansson Martin ...24301-027 ≣E15corr.
104Hort Vlastimil (GER)2600Novak Ervin (CZE)22251-034 ≣E15Ch Czechoslovakia
110Goldschmidt Berna...Bielicki Carlos (...23150-133 ≣E15It (open) \
111Kraidman Yair (ISR)2475Smyslov Vassily (...25950-135 ≣E15It
116Browne Walter S (...2545Grefe John A (USA)24251-033 ≣E15Ch USA
117Lambert Glenn E J...2295Hanreck Alan E (ENG)22681-038 ≣E15It (open) \
118Lindvall AnttiLehtosaari Kalevi...20430-130 ≣E15?
123Raivio Yrjo (FIN)2067Fly Bjarne1-023 ≣E15Ch Denmark (juniors)
124Raivio Yrjo (FIN)2067Jensen Rene (DEN)22951-025 ≣E15Ch Denmark (juniors)
125Polugaevsky Lev A...2620Ree Hans (NED)25001-040 ≣E15Olympiad (telechess)
126Beliavsky Alexand...2530Petrosian Tigran ...26201-039 ≣E15It \
130Segal Alexandru S...2395Rocha Antonio (BRA)23001-039 ≣E15Ch Brazil
132Horn Peter (GER)2161Heilemann Manfred...22940-139 ≣E15Ch Germany (team)...
136Cervenka Imrich (...2190Certek Pavel (SVK)23221-029 ≣E15It (open) \
138Wright JohnPeterson George1-032 ≣E15It (corr.)
144Stigar Petter (NOR)2298Danielsen Henrik ...25430-132 ≣E15Ch Denmark (juniors)
145Bukic Enver (SLO)2500Abramovic Bosko (...24631-029 ≣E15Ch Yugoslavia
148Sosonko Gennadi (...2585Seirawan Yasser (...25651-024 ≣E15It
149Dydyshko Viachesl...2450Ravisekhar Raja (...24200-140 ≣E15It (cat.7)
150Blachmann Horst (...2125Kliesch Bernd-Wal...19800-139 ≣E15Ch DDR (corr.)
151Bondick Karl-Hein...2144Hesselbarth Karlh...18080-135 ≣E15Ch DDR (corr.)
152Fiedler (CZE)Gulich W1-028 ≣E15corr.
153Cording Harm (GER)2258Kiefer Gerhard (GER)22571-039 ≣E15Bundesliga 1980/81
156Karlsson RalfKolsi Ari1-033 ≣E15?
157KocandrieKodym1-027 ≣E15?
158Andreas PeterJohansson Thomas ...21731-033 ≣E15It (b)
164Madler JurgenLetic Stevan (SRB)21041-035 ≣E15Memorial Heilimo ...
168Martin Stefan (GER)2198Schmall Juergen (...23501-035 ≣E15It (open)
169Dini DColombo Alberto (...20900-134 ≣E15Ch Italy
170La Tanza EColombo Alberto (...20900-136 ≣E15Ch Italy
174Kerik MKuehnel H1-031 ≣E15Cup Baltic (corr.)
176Rickers GerhardEngqvist Thomas (...23531-031 ≣E15Cup Baltic (corr.)
177Kaunismaa JuhaWelling Pauli1-039 ≣E15?
179Guido Flavio (ITA)2396Fenton N0-138 ≣E15Olympiad
184Wheeler Mark (ENG)2295Levitt Jonathan (...23950-136 ≣E15It (open) \
185Nikolic Predrag (...2620Hjartarson Johann...25501-028 ≣E15It \
188Lehtonen KalervoRantanen Veikko1-039 ≣E15?
191Gunawan Ronny (INA)2440Dextre Eric (FRA)21601-026 ≣E15It (open)
193KiviahoFilppula0-133 ≣E15Ch Finland (corr.)
195MoenkemeyerSchendel Andreas0-130 ≣E15corr.
196Savchenko Stanisl...2480Frolov Artur (UKR)24991-033 ≣E15Ch Ukraine
198Agdestein Simen (...2560Sharif Mehrshad (...24501-023 ≣E15It (cat.10)
202Georgiev Kiril (MKD)2595Schneiders A (NED)21631-028 ≣E15It (open)
203Roldan CarlosCembran Ezio1-035 ≣E15corr.