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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
364Blasko Istvan (HUN)2221Hidegh Eszter (HUN)21351-021 ≣E00It (open)
558Quintin Navarro A...2064Pardo Simon David...23210-132 ≣E00Ch Spain (juniors...11 Jul 2009
487Tzekov Svetozar (...2195Aleksandrov Mitko...20751-033 ≣E00Ch Bulgaria (team...10 Nov 2006
63Santiago Oliveira...Tavares Da Silva ...0-138 ≣E00Ch Brazil
237Zaja Ivan (CRO)2483Susnjar Miroslav ...21990-136 ≣E12Ch Croatia (team)...
331Garcia Cervigon J...Lopez Capape Arma...18951-040 ≣E12It (open) \
414Frosch Erich (AUT)2339Szabo Lajos (HUN)21951-040 ≣E12Ch Hungary (open)
359Baekgaard Martin ...2055Aagaard Jacob (SCO)24030-138 ≣E12It (open) \
545Krasiewicz Robert...2094Wilczynski Adam (...17591-039 ≣E15Liga Mazowiecka 200911 Jan 2009
633Rakic Teodora (SRB)1851Zarkovic Mila (SRB)19960-134 ≣E15Ch Serbia (junior...30 Jul 2012
619Aksenov Oleksandr...1847Teychene Jean-Lou...19410-127 ≣E15It (open)27 Dec 2011
315Hernandez Hector ...2065Neumann Han H W M...20911-034 ≣E15Olympiad
571Juhasz Armin (HUN)1977Pataki Zemplen (LUX)18281-031 ≣E15Tournament (Elo) (b)08 Apr 2010
150Blachmann Horst (...2125Kliesch Bernd-Wal...19800-139 ≣E15Ch DDR (corr.)
370Stolfa Rodolfo (ITA)1812Loviscek Matjaz (...20310-131 ≣E15It (open)
550Dulin Anatoliy (RUS)1983Shishkin Lev (RUS)20711-040 ≣E15Ch Region (seniors)25 Mar 2009
169Dini DColombo Alberto (...20900-134 ≣E15Ch Italy
381Heinlein Reinhold...2171Dallmann Volker (...20151-034 ≣E15It (open)
118Lindvall AnttiLehtosaari Kalevi...20430-130 ≣E15?
151Bondick Karl-Hein...2144Hesselbarth Karlh...18080-135 ≣E15Ch DDR (corr.)
377Piscopo Pierluigi...2039Laketic Gojko (SRB)24180-132 ≣E15Tournament (open)
91Hort Vlastimil (GER)2466Belkadi Ridha (TUN)23451-035 ≣E15Olympiad
26Szabo Laszlo (HUN)1903Denker Arnold S (...22930-139 ≣E15It
93Edelsvard OlleWikstrom Birger1-034 ≣E15corr.
65Fuderer Andrija (...Geller Efim P (RUS)24551-036 ≣E15Olympiad
97Filip Miroslav (CZE)2465Korchnoi Viktor (...25560-137 ≣E15Olympiad
16Mulder EAJMVan den Hoek Arno...0-139 ≣E15Ch Netherlands
53Lipnitsky Isaak (...Taimanov Mark E (...23861-034 ≣E15Ch URS (team)
66Del Vecchio LucioCastaldi Vincenzo...0-126 ≣E15?
92Ivkov Borislav (SRB)2416Korchnoi Viktor (...25560-136 ≣E15Olympiad
585Kolosovskiy Danil...1927Riabov Alexander ...20721-018 ≣E15Tournament (open)28 Jul 2010
86Baumbach Friedric...2239Kuttner Uwe1-039 ≣E15Ch DDR
22Maderna Carlos H ...Najdorf Miguel (POL)24450-130 ≣E15Memorial R.Grau
474Georgescu Tiberiu...2211Miroiu George Cat...19581-038 ≣E15Ch Romania (junio...14 Apr 2006
77Ivkov Borislav (SRB)2416Van Den Berg Care...24101-037 ≣E15It \
40Shocron Ruben (USA)2259Fuentes Juan Manuel1-038 ≣E15Match \
87Olivera AlfredoVillarroel Geber ...22901-027 ≣E15Olympiad
29Koblents Alexande...Prucha Karel (CZE)1-027 ≣E15Match \
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
14Euwe Max (NED)Keres Paul (EST)25800-134 ≣E15Match
15Treybal Karel (CZE)Opocensky Karel (...0-137 ≣E15Ch Czechia
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)
28Sajtar Jaroslav (...Vymetal Vaclav (CZE)1-027 ≣E15Memorial Dobrusky...22 Jan 1946
33Batik FrantisekNapolitano Mario ...0-139 ≣E15?
34Gruber BratoljubBozic Alexander0-136 ≣E15Ch Yugoslavia
35Pirc Vasja (YUG)Golombek Harry (ENG)23201-031 ≣E15It \
39Kramer Haije J (NED)2330Baay J1-036 ≣E15It
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
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)
76Kolarov Atanas S ...2415Chipev T (BUL)1-034 ≣E15Ch Bulgaria
70Maher Vincent (IRE)Sapre Ramchandra ...0-137 ≣E15Olympiad (sf)05 Sep 1956
353Sanz Arilla Luis ...2254Ariste Justo Jesu...18781-029 ≣E15Memorial Dr. Rey ...
73Najdorf Miguel (POL)2445Reshevsky Samuel ...24300-139 ≣E15It
69Uhlmann Wolfgang ...2434Safvat Yousof (IRN)1-026 ≣E15Olympiad (sf)02 Sep 1956
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
13Euwe Max (NED)Fairhurst William...23001-039 ≣E15Match \05 Jul 1938
89Keller EdithDomsgen Christina...21001-033 ≣E15Zt (w)
94Vaganian Rafael A...2577Lombard Andre (SUI)23501-040 ≣E15Ch Europe (juniors)
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) \
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)
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)
64Uhlmann Wolfgang ...2379Koch Berthold (GDR)0-126 ≣E15Ch Germany