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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
34Gruber BratoljubBozic Alexander0-136 ≣E15Ch Yugoslavia
35Pirc Vasja (YUG)Golombek Harry (ENG)23201-031 ≣E15It \
33Batik FrantisekNapolitano Mario ...0-139 ≣E15?
21Steiner Lajos (HUN)Goldstein Maurice...1-036 ≣E15Ch NSW (play-off)
27Katetov Miroslav ...Rohacek Vladimir ...1-040 ≣A05Memorial K.Treybal
23Filipcic MPoljakov1-030 ≣A46Ch Yugoslavia
20Weil HWatzl Leopold1-031 ≣A47Ch City
5Reti Richard (CZE)Landau Salo (POL)1-037 ≣E15Match
11Simonson AlbertDenker Arnold S (...22931-039 ≣A05Ch USA
10Najdorf Miguel (POL)2445Schaechter Izaak1-035 ≣A47Ch Poland
12Kolski JosekRegedzinski Teodor0-137 ≣E15It
18Maderna Carlos H ...Bolbochan Jacobo ...0-136 ≣E15It
9Monticelli Mario ...Najdorf Miguel (POL)24450-135 ≣E15Olympiad
15Treybal Karel (CZE)Opocensky Karel (...0-137 ≣E15Ch Czechia
17Iliesco Juan TraianNajdorf Miguel (POL)24450-127 ≣A05It
19Rossetto Hector (...2285Stahlberg Gideon ...0-136 ≣E15It
4Rejfir Josef (CZE)Thelen Bedrich (CZE)1-035 ≣A47Tournament
276Muench Gerhard (GER)2114Wunder Horst (GER)21150-121 ≣A04Ch Bayern (2)
222Lev Ronen (ISR)2390Zoler Dan (ISR)25411-031 ≣A05It (open)
196Savchenko Stanisl...2480Frolov Artur (UKR)24991-033 ≣E15Ch Ukraine
6Vidmar Milan Sr (...Colle Edgard (BEL)1-033 ≣A46It
3Makogonov Vladimi...Botvinnik Mikhail...26300-124 ≣A46Ch URS
40Shocron Ruben (USA)2259Fuentes Juan Manuel1-038 ≣E15Match \
211Zlotnik Boris A (...2433Rozentalis Eduard...25051-034 ≣E15It (open)
83Barcza Gedeon (HUN)2435Trincardi Tullio ...22351-032 ≣A05It
404Bocsvin Dmitri (RUS)2144Kraev Alexei (RUS)23081-031 ≣A05Ch Russia (junior...
439Melero Morales Ja...2107Moran Fernandez F...1-036 ≣E15Ch Asturias
259Batchinsky Stepha...2274Leuba Didier (SUI)22191-022 ≣A05Ch Switzerland (t...
8Vallve JKahn Victor0-137 ≣A47It
29Koblents Alexande...Prucha Karel (CZE)1-027 ≣E15Match \
131Sprecic Mustafa (...2309Krzisnik Rok (SLO)22221-037 ≣A47Ch Yugoslavia
7Batuev Andrey Mik...Shipunov Georgy A0-133 ≣E15Ch Leningrad
298Grunberg Mihai-Lu...2330Zainea Marius (ROM)22401-039 ≣A05Ch Romania (team)
14Euwe Max (NED)Keres Paul (EST)25800-134 ≣E15Match
153Cording Harm (GER)2258Kiefer Gerhard (GER)22571-039 ≣E15Bundesliga 1980/81
121Zaltsman Vitaly F...2440Stean Michael F (...25101-027 ≣A10It (open)
382Choma Alexandre P...2006Calcado A (BRA)22450-138 ≣A05Tournament (open)
118Lindvall AnttiLehtosaari Kalevi...20430-130 ≣E15?
463Straka Zdenek (CZE)2041Dolezal Jiri (CZE)17690-138 ≣A47It (open)
390Piankov Evgenij (...2365Vion Jean-Francoi...20781-040 ≣A46It (open)
249Kanzaveli VitalyRunning Jeffrey1-015 ≣A05It (open)
188Lehtonen KalervoRantanen Veikko1-039 ≣E15?
319Wilhelmi Christia...2405Gebigke Martin (GER)21911-039 ≣A05It (open) \
156Karlsson RalfKolsi Ari1-033 ≣E15?
415Baumann Walter1725Fels Karl-Heinz (...19110-132 ≣A46Ch Bayern (senior...
87Olivera AlfredoVillarroel Geber ...22901-027 ≣E15Olympiad
161Sula Zeqir (ALB)2299Andruet Gilles (FRA)23701-035 ≣A05Olympiad
22Maderna Carlos H ...Najdorf Miguel (POL)24450-130 ≣E15Memorial R.Grau
105Venalainen Unto E...2350Magnusson Bjarni ...18561-034 ≣A05?
190Melzer Jan Dr (CZE)2071Dudek Richard (GER)22451-030 ≣A05Bundesliga 1987/8...
324Maki-Torkko Martt...2195Heinimaki Leo (FIN)20720-135 ≣A46Ch Finland (team)...
423Profumo Alberto (...2256Maupin Jean-Paul ...20471-035 ≣A05It (open)
238Bolding Klaus (FRA)2246Aagaard Jacob (SCO)22500-125 ≣A05Ch Denmark (qual)
315Hernandez Hector ...2065Neumann Han H W M...20911-034 ≣E15Olympiad
182Schulz Karsten (GER)2310Hecht Hans-Joachi...24551-036 ≣A05Bundesliga 1985/86
244Boctor Wageeh (USA)2200Hanley Joe (USA)21431-026 ≣A05Tournament
137Larsen Bent (DEN)2585Karpov Anatoly (RUS)27250-123 ≣A05It (cat.14)
150Blachmann Horst (...2125Kliesch Bernd-Wal...19800-139 ≣E15Ch DDR (corr.)
197Overgaard Christi...2250Pilgaard Kim (DEN)24241-040 ≣A05It (open)
328Lopushnoy Denis (...2385Rodionov Adil (KAZ)23531-037 ≣A05Cup Russia (open)
353Sanz Arilla Luis ...2254Ariste Justo Jesu...18781-029 ≣E15Memorial Dr. Rey ...
159Rind Bruce (USA)2335Wiedenkeller Mich...23200-123 ≣A05Ch Cleveland
109Dorfman Iossif D ...2380Gulko Boris F (USA)24800-138 ≣A17Ch URS
113Tal Mikhail N (LAT)2620Bellon Lopez Juan...24151-035 ≣A05It (cat.9)
38Lilienthal Andor ...2385Keres Paul (EST)25800-131 ≣E15Ch URS
2Takacs Sandor (HUN)Asztalos Lajos (HUN)0-130 ≣A15It
437Baryshpolets Andr...2120Yurkov Alexey (UKR)20911-037 ≣A05Ch Ukraine (junio...
280Flores Manuel (NCA)2020Camacho Roberto (...22401-028 ≣A05It (open)
227Herrmann Michael ...2242Lieb Harald (GER)21910-127 ≣A05Bundesliga 1990/9...
169Dini DColombo Alberto (...20900-134 ≣E15Ch Italy
151Bondick Karl-Hein...2144Hesselbarth Karlh...18080-135 ≣E15Ch DDR (corr.)
50Euwe Max (NED)Evans Larry M (USA)24700-139 ≣E15It
370Stolfa Rodolfo (ITA)1812Loviscek Matjaz (...20310-131 ≣E15It (open)
377Piscopo Pierluigi...2039Laketic Gojko (SRB)24180-132 ≣E15Tournament (open)
57Szabo Laszlo (HUN)1903Keres Paul (EST)25801-040 ≣A15Memorial G.Maroczy
293Fassl Erich (AUT)2123Hamilton Stuart (...20491-039 ≣E15It (open)
200Medar Zeljko (SRB)2219Laketic Gojko (SRB)24000-132 ≣A05It (open)
292Ciampi Vincenzo (...2107Laketic Gojko (SRB)24200-131 ≣A46Ch Italy (team)
85Horberg Beng EricStahlberg Gideon ...0-132A47It
91Hort Vlastimil (GER)2466Belkadi Ridha (TUN)23451-035 ≣E15Olympiad
26Szabo Laszlo (HUN)1903Denker Arnold S (...22930-139 ≣E15It
98Naranja Renato (PHI)2221Johannessen Svein...22730-140 ≣A15Olympiad
93Edelsvard OlleWikstrom Birger1-034 ≣E15corr.
65Fuderer Andrija (...Geller Efim P (RUS)24551-036 ≣E15Olympiad
75Reyes Jara Pablo ...2053Filipowicz Andrze...23301-038 ≣A46Olympiad
24Kottnauer Cenek (...2370Denker Arnold S (...22931-032 ≣A15It
1Przepiorka Dawid ...Ahues Carl O (GER)0-131 ≣A47
97Filip Miroslav (CZE)2465Korchnoi Viktor (...25560-137 ≣E15Olympiad
16Mulder EAJMVan den Hoek Arno...0-139 ≣E15Ch Netherlands
68Zalys IgnasWestra Roelof1-027 ≣A05Match
25Lundin Erik (SWE)2375Yanofsky D A (CAN)24101-040 ≣A05It
53Lipnitsky Isaak (...Taimanov Mark E (...23861-034 ≣E15Ch URS (team)
407Andersson Ulf (SWE)2601Stefansson Hannes...25751-037 ≣A05Memorial J.Capabl...
66Del Vecchio LucioCastaldi Vincenzo...0-126 ≣E15?
92Ivkov Borislav (SRB)2416Korchnoi Viktor (...25560-136 ≣E15Olympiad
54Golombek Harry (ENG)2320Nedeljkovic Sreck...21880-139 ≣E15It
381Heinlein Reinhold...2171Dallmann Volker (...20151-034 ≣E15It (open)
55Bouwmeester Hans ...2343Kramer Haije J (NED)23300-137 ≣E15It
77Ivkov Borislav (SRB)2416Van Den Berg Care...24101-037 ≣E15It \
36Szabo Laszlo (HUN)1903Luckis Marcos22701-039 ≣A05It