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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
136Cervenka Imrich (...2190Certek Pavel (SVK)23221-029 ≣E15It (open) \
132Horn Peter (GER)2161Heilemann Manfred...22940-139 ≣E15Ch Germany (team)...
130Segal Alexandru S...2395Rocha Antonio (BRA)23001-039 ≣E15Ch Brazil
126Beliavsky Alexand...2530Petrosian Tigran ...26201-039 ≣E15It \
125Polugaevsky Lev A...2620Ree Hans (NED)25001-040 ≣E15Olympiad (telechess)
124Raivio Yrjo (FIN)2067Jensen Rene (DEN)22951-025 ≣E15Ch Denmark (juniors)
486Brujic Bozidar (SRB)2208Ivanis Goran (SRB)20211-033 ≣E15Ch Belgrad (team)...16 Oct 2006
123Raivio Yrjo (FIN)2067Fly Bjarne1-023 ≣E15Ch Denmark (juniors)
117Lambert Glenn E J...2295Hanreck Alan E (ENG)22681-038 ≣E15It (open) \
116Browne Walter S (...2545Grefe John A (USA)24251-033 ≣E15Ch USA
111Kraidman Yair (ISR)2475Smyslov Vassily (...25950-135 ≣E15It
492Luz Jose Stenio F...1960Silveira Sergio R...21270-134 ≣E15Tournament (final)09 Dec 2006
110Goldschmidt Berna...Bielicki Carlos (...23150-133 ≣E15It (open) \
104Hort Vlastimil (GER)2600Novak Ervin (CZE)22251-034 ≣E15Ch Czechoslovakia
103Lindh BengtJohansson Martin ...24301-027 ≣E15corr.
498Nguyen Thien Viet...2321Le Quang Liem (VIE)25340-137 ≣E15Ch Vietnam07 Apr 2007
499Aliqogin Jaslan (...2342Kaliberda Vladimi...23191-034 ≣E15Memorial Zudov (c...12 Jul 2007
102Hay Trevor (AUS)2287Drira Ahmed22001-032 ≣E15Olympiad
501Tantsov Petr (RUS)1708Tarasov Igor (RUS)23630-140 ≣E15Memorial K.Tsiolk...03 Aug 2007
101Averbakh Yuri L (...2550Bilek Istvan (HUN)24851-037 ≣E15It
100Gerber KMueller Erich (GER)21401-025 ≣E15corr.
504Kashtanov Ruslan ...2332Eliseev Alexei (RUS)23890-131 ≣E15It \20 Aug 2007
505Melnichuk Mikhail...2252Romanov Vladimir ...22581-036 ≣E15Cup Independence ...22 Aug 2007
506Nabavi Parwis (SUI)2166Braun Peter (GER)23090-135 ≣E15It (open)22 Aug 2007
507Mizsei Janos (HUN)2096Palotas Peter (HUN)20001-033 ≣E15Tournament (Elo) (a)01 Sep 2007
94Vaganian Rafael A...2577Lombard Andre (SUI)23501-040 ≣E15Ch Europe (juniors)
509Hamrakulova Yuldu...2185Aketaeva Dana (KAZ)22480-136 ≣E15Zt (w)04 Oct 2007
511Jung Young Hoon (...1539Utkal Ranjan Sahoo0-129 ≣E15Ch World (juniors...19 Nov 2007
89Keller EdithDomsgen Christina...21001-033 ≣E15Zt (w)
86Baumbach Friedric...2239Kuttner Uwe1-039 ≣E15Ch DDR
84Hanks John (AUS)2171Hester David A1-021 ≣E15Ch Australia12 Jan 1963
82Felmeri Janos (HUN)2275Tompa Janos (HUN)23981-023 ≣E15Tournament
516Vorobyev IBelyaev Ilja (UKR)20311-036E15Ch Ukraine (junio...05 Dec 2007
79Darga Klaus (GER)2453Kupper Josef (SUI)23741-031 ≣E15Cup Clare Benedict
518Dambrauskaite Jur...1816Limontaite Simona...21970-129 ≣E15Ch Lithuania (1/2...28 Jan 2008
519Castaneda JLaverde Luis1-028 ≣E15It (open)09 Feb 2008
76Kolarov Atanas S ...2415Chipev T (BUL)1-034 ≣E15Ch Bulgaria
73Najdorf Miguel (POL)2445Reshevsky Samuel ...24300-139 ≣E15It
69Uhlmann Wolfgang ...2434Safvat Yousof (IRN)1-026 ≣E15Olympiad (sf)02 Sep 1956
526Frank Christian (...1936Kugler Florian (GER)19730-130 ≣E15Ch Germany (junio...08 Jun 2008
64Uhlmann Wolfgang ...2379Koch Berthold (GDR)0-126 ≣E15Ch Germany
61Ragozin Viachesla...Cherepkov Alexand...23951-032 ≣E15Ch URS (1/2 final)
60Doerner CharlesTeschner Rudolf (...22950-133 ≣E15Olympiad
55Bouwmeester Hans ...2343Kramer Haije J (NED)23300-137 ≣E15It
50Euwe Max (NED)Evans Larry M (USA)24700-139 ≣E15It
49Bolbochan Julio (...2440Wexler Francisco1-030 ≣E15Zt
535Bui Trong HaoTran Ngo Thien Phu1-034 ≣E15Ch Vietnam (junio...02 Aug 2008
45Schindler JosefPfeiffer Gerhard ...0-129 ≣E15Ch BRD
44Najdorf Miguel (POL)2445Kottnauer Cenek (...23701-036 ≣E15It
43Aratovsky NikolayRovner Dmitry (RUS)1-034 ≣E15Ch URS (1/2 final)
42Brunet PhilipTherien Jules1-029 ≣E15Ch Canada
41Van Scheltinga Th...2325Golombek Harry (ENG)23201-039 ≣E15Match \12 Sep 1948
39Kramer Haije J (NED)2330Baay J1-036 ≣E15It
35Pirc Vasja (YUG)Golombek Harry (ENG)23201-031 ≣E15It \
34Gruber BratoljubBozic Alexander0-136 ≣E15Ch Yugoslavia
543Pavlidis Anastasi...2348Stathopoulos Ioan...19091-023 ≣E15Ch Greece (junior...05 Jan 2009
33Batik FrantisekNapolitano Mario ...0-139 ≣E15?
28Sajtar Jaroslav (...Vymetal Vaclav (CZE)1-027 ≣E15Memorial Dobrusky...22 Jan 1946
21Steiner Lajos (HUN)Goldstein Maurice...1-036 ≣E15Ch NSW (play-off)
549Zubkov Vasiliy (RUS)2000Borisov Grigori (...18841-039 ≣E15Ch City18 Mar 2009
551Akdag Dara (DEN)2198Matthiesen Martin...23050-134 ≣E15Ch Denmark09 Apr 2009
552Vrajitoru Vlad-La...Toma Radu-Cristian19790-123 ≣E15Ch Romania (junio...11 Apr 2009
19Rossetto Hector (...2285Stahlberg Gideon ...0-136 ≣E15It
18Maderna Carlos H ...Bolbochan Jacobo ...0-136 ≣E15It
15Treybal Karel (CZE)Opocensky Karel (...0-137 ≣E15Ch Czechia
14Euwe Max (NED)Keres Paul (EST)25800-134 ≣E15Match
12Kolski JosekRegedzinski Teodor0-137 ≣E15It
639Volkov Sergey Vik...2579Predke Alexandr (...24911-040 ≣E15Cup R.Nezhmetdino...29 Sep 2012
9Monticelli Mario ...Najdorf Miguel (POL)24450-135 ≣E15Olympiad
561Hetey Laszlo (GER)2352Houriez Clement (...23140-140 ≣E15It (open)01 Aug 2009
562Galopoulos N (GRE)2255Grigorov Grigor (...24890-137 ≣E15It (open)29 Aug 2009
564Kopasov Alexander...2157Gutyakulov Amal (...19641-034 ≣E15Memorial M.Chigor...21 Oct 2009
7Batuev Andrey Mik...Shipunov Georgy A0-133 ≣E15Ch Leningrad
566Blagojevic Dragis...2545Pantic Ivica (SRB)21971-034 ≣E15It (open) \27 Nov 2009
5Reti Richard (CZE)Landau Salo (POL)1-037 ≣E15Match
568Al-Aqrabi Saleh (...2201Himanshu Sharma (...24490-127 ≣E15Ch Asia (team)27 Dec 2009
569Gavariev Renat (RUS)2332Murzin Lenar (RUS)21701-023 ≣E15Ch PriFO (open)26 Jan 2010
570Juenger Heinz (AUT)2114Vyskocil Neklan (...23760-132 ≣E15Bundesliga B East...20 Feb 2010
29Koblents Alexande...Prucha Karel (CZE)1-027 ≣E15Match \
87Olivera AlfredoVillarroel Geber ...22901-027 ≣E15Olympiad
40Shocron Ruben (USA)2259Fuentes Juan Manuel1-038 ≣E15Match \
22Maderna Carlos H ...Najdorf Miguel (POL)24450-130 ≣E15Memorial R.Grau
77Ivkov Borislav (SRB)2416Van Den Berg Care...24101-037 ≣E15It \
70Maher Vincent (IRE)Sapre Ramchandra ...0-137 ≣E15Olympiad (sf)05 Sep 1956
579Tseitline Semen (...2065Spulber Cicirone ...22920-126 ≣E15It (open)02 Jul 2010
13Euwe Max (NED)Fairhurst William...23001-039 ≣E15Match \05 Jul 1938
54Golombek Harry (ENG)2320Nedeljkovic Sreck...21880-139 ≣E15It
583Kouroumbas Kosmas...1710Maiorov Nikita (BLR)25460-132 ≣E15It (open)22 Jul 2010
584Kopasov Alexander...2198Golichenko Ilija ...24170-121 ≣E15It (open)23 Jul 2010
92Ivkov Borislav (SRB)2416Korchnoi Viktor (...25560-136 ≣E15Olympiad
66Del Vecchio LucioCastaldi Vincenzo...0-126 ≣E15?
588Renteria Jorge (COL)2266Gutierrez Olivare...21751-035 ≣E15Ch Spain (team) (...07 Aug 2010
53Lipnitsky Isaak (...Taimanov Mark E (...23861-034 ≣E15Ch URS (team)
16Mulder EAJMVan den Hoek Arno...0-139 ≣E15Ch Netherlands
592Zatonskih Anna (USA)2480Javakhishvili Lel...24511-031 ≣E15Olympiad (w)27 Sep 2010
97Filip Miroslav (CZE)2465Korchnoi Viktor (...25560-137 ≣E15Olympiad
65Fuderer Andrija (...Geller Efim P (RUS)24551-036 ≣E15Olympiad
595Vladimirov Evgeny...2623Cao Sang (HUN)25350-137 ≣E15Asian Games (team)23 Nov 2010
596Ivanov Stepan (RUS)2078Fokin Andrey (RUS)1-040 ≣E15Tournament (open)23 Nov 2010
93Edelsvard OlleWikstrom Birger1-034 ≣E15corr.