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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
1Przepiorka Dawid ...Ahues Carl O (GER)0-131 ≣A47
509Hamrakulova Yuldu...2185Aketaeva Dana (KAZ)22480-136 ≣E15Zt (w)04 Oct 2007
89Keller EdithDomsgen Christina...21001-033 ≣E15Zt (w)
345Rodgaard John (FAI)2320Olafsson Helgi (ISL)22701-040 ≣A15Zt
154Ivanov Igor V (CAN)2424Buchholz Martin (...23151-040 ≣A05Zt
49Bolbochan Julio (...2440Wexler Francisco1-030 ≣E15Zt
557Mankeyev Rauan (KAZ)2402Ismagambetov Anua...25310-134 ≣A05Zt22 Jun 2009
122Ivkov Borislav (SRB)2515Santos Luis (POR)23571-040 ≣A05Zt
378Waffenschmidt Joa...2031Kienzler Werner0-136 ≣A46Verbandsliga Bade...28 Nov 1999
517Oberling RudolfWienold Thomas0-131 ≣A05Verbandsliga Bade...16 Dec 2007
452Pitic Jasmin (SRB)Nonnenmacher Eber...1-037 ≣A46Verbandsliga Bade...10 Oct 2004
621Krylov Konstantin...2241Churkin Vitaly (RUS)23300-134 ≣A47Tournament (open)10 Jan 2012
524Okhrimenko Ivan (...2041Konev Yury (RUS)21900-138 ≣A46Tournament (open)10 Apr 2008
382Choma Alexandre P...2006Calcado A (BRA)22450-138 ≣A05Tournament (open)
612Ilenko Aleksei (RUS)1939Epifantsev Igor (...22160-125 ≣A46Tournament (open)
585Kolosovskiy Danil...1927Riabov Alexander ...20721-018 ≣E15Tournament (open)28 Jul 2010
596Ivanov Stepan (RUS)2078Fokin Andrey (RUS)1-040 ≣E15Tournament (open)23 Nov 2010
622Torres MiguelZavarce Oscar0-129 ≣E15Tournament (open)01 Feb 2012
377Piscopo Pierluigi...2039Laketic Gojko (SRB)24180-132 ≣E15Tournament (open)
537Alachihin Vladimi...2171Borisov Grigori (...18451-040 ≣A46Tournament (juniors)21 Aug 2008
409Yerofeev Sergey (...2369Melo Olavo (BRS)1-020 ≣A47Tournament (ICCF)
492Luz Jose Stenio F...1960Silveira Sergio R...21270-134 ≣E15Tournament (final)09 Dec 2006
530Szirmai Eduard (HUN)2086Borda Lajos (HUN)21670-132 ≣A05Tournament (Elo) (b)11 Jul 2008
571Juhasz Armin (HUN)1977Pataki Zemplen (LUX)18281-031 ≣E15Tournament (Elo) (b)08 Apr 2010
634Mingarro Carcelle...2158Fernandez Barrera...23161-032 ≣E15Tournament (Elo) (a)08 Aug 2012
507Mizsei Janos (HUN)2096Palotas Peter (HUN)20001-033 ≣E15Tournament (Elo) (a)01 Sep 2007
495Metaxasz Vaszilis...2175Marodi Matyas (HUN)21751-025 ≣A15Tournament (Elo) (a)03 Feb 2007
581Ramon Solans Albe...2221Marches Rios Juan...21161-027 ≣A46Tournament (Elo) (a)15 Jul 2010
527Sverkunov Oleg (RUS)1921Glazkov Arseny (RUS)20300-135 ≣A05Tournament (Elo)23 Jun 2008
242Pelter Yehuda Z (...2007De Jager Jaap (NED)23950-127 ≣A40Tournament (a)
310Miguel Lago Victo...2290Alcaraz Ana1-028 ≣A46Tournament (4)
494Plante Rejean2152Auger Bertrand19700-130 ≣A40Tournament \01 Feb 2007
573Sanchez Criado Ll...2176Tortosa Moros Joa...18351-028 ≣E15Tournament \13 Apr 2010
244Boctor Wageeh (USA)2200Hanley Joe (USA)21431-026 ≣A05Tournament
4Rejfir Josef (CZE)Thelen Bedrich (CZE)1-035 ≣A47Tournament
412Oppezzo Sebastian...2177Urbieta Osvaldo0-134 ≣E15Tournament
82Felmeri Janos (HUN)2275Tompa Janos (HUN)23981-023 ≣E15Tournament
496Nadvikov Roman (RUS)2229Golovan Nadezhda ...19801-027 ≣A05Tournament26 Feb 2007
302Lehner Oliver (AUT)2320Trauner Rudolf (AUT)21951-035 ≣A46Staatsliga B 1996/97
425Frosch Erich (AUT)2320Gaertner Guntram ...23360-134 ≣E15Staatsliga 2002/03
587Kristinsson Bjarn...2062Danielsen Henrik ...25290-130 ≣A46Simultan02 Aug 2010
201Nika Katerina (GRE)2031Glaz Lena (ISR)22000-140 ≣A05Olympiad (w)
592Zatonskih Anna (USA)2480Javakhishvili Lel...24511-031 ≣E15Olympiad (w)27 Sep 2010
125Polugaevsky Lev A...2620Ree Hans (NED)25001-040 ≣E15Olympiad (telechess)
70Maher Vincent (IRE)Sapre Ramchandra ...0-137 ≣E15Olympiad (sf)05 Sep 1956
69Uhlmann Wolfgang ...2434Safvat Yousof (IRN)1-026 ≣E15Olympiad (sf)02 Sep 1956
315Hernandez Hector ...2065Neumann Han H W M...20911-034 ≣E15Olympiad
102Hay Trevor (AUS)2287Drira Ahmed22001-032 ≣E15Olympiad
97Filip Miroslav (CZE)2465Korchnoi Viktor (...25560-137 ≣E15Olympiad
180Orr Mark J L (IRL)2365Klinger Josef (AUT)19810-135 ≣A05Olympiad
179Guido Flavio (ITA)2396Fenton N0-138 ≣E15Olympiad
477Bayarmandah Balga...2182Merritt Mario (TRI)21251-037 ≣E15Olympiad30 May 2006
98Naranja Renato (PHI)2221Johannessen Svein...22730-140 ≣A15Olympiad
9Monticelli Mario ...Najdorf Miguel (POL)24450-135 ≣E15Olympiad
417Tovsanaa Nyamaa (...2281Nguyen Anh Dung (...25300-131 ≣E15Olympiad
316Maccapani Massini...2066Thomsen Torbjorn ...21630-128 ≣A46Olympiad
60Doerner CharlesTeschner Rudolf (...22950-133 ≣E15Olympiad
91Hort Vlastimil (GER)2466Belkadi Ridha (TUN)23451-035 ≣E15Olympiad
220Deantoni Veronica...2005Mills Natalie (AUS)20290-140 ≣E15Olympiad
75Reyes Jara Pablo ...2053Filipowicz Andrze...23301-038 ≣A46Olympiad
219Briffel Francisco...2145Cid Marino Alejan...23400-135 ≣A05Olympiad
92Ivkov Borislav (SRB)2416Korchnoi Viktor (...25560-136 ≣E15Olympiad
161Sula Zeqir (ALB)2299Andruet Gilles (FRA)23701-035 ≣A05Olympiad
87Olivera AlfredoVillarroel Geber ...22901-027 ≣E15Olympiad
65Fuderer Andrija (...Geller Efim P (RUS)24551-036 ≣E15Olympiad
306Hacker Christian ...2084Boettcher Markus18251-024 ≣E15Oberliga NRW 1996/97
241Meyer Holger (GER)2330Woestmann Hans Jo...1-033 ≣A05Oberliga Northwes...
363Sehrt Juergen (GER)2201Just Joachim (GER)22791-026 ≣A13Oberliga East B 1...
389Salzmann Peter (GER)2214Eckhardt Claudia ...21530-127 ≣E15Oberliga East A 1...
603Nabavi Parwis (SUI)Wienold Thomas1-032 ≣E15Oberliga Baden 20...10 Apr 2011
406Schwalfenberg Joe...2351Florea Dan (GER)23171-028 ≣A46Oberliga Baden 20...
285Schmitt Axel (GER)2350Wilde Pierre (GER)22900-132 ≣A05Oberliga Baden 19...
541Hintze Helge (GER)2346Morawietz Dieter ...24491-030 ≣A05NRW Klasse 2 2008/0930 Nov 2008
499Aliqogin Jaslan (...2342Kaliberda Vladimi...23191-034 ≣E15Memorial Zudov (c...12 Jul 2007
631Kuciel Wladyslaw ...2002Zschaebitz Klaus ...21051-031 ≣A40Memorial T.Gniot ...17 Jul 2012
594Churaev Raif (RUS)2096Darmin Dmitry (RUS)23710-138 ≣A46Memorial Siamidi ...23 Oct 2010
628Egorov Valery (RUS)1801Kruglyak Nikita (...20370-130 ≣A15Memorial Sarkisov...27 May 2012
22Maderna Carlos H ...Najdorf Miguel (POL)24450-130 ≣E15Memorial R.Grau
323Pankratov Valery ...Guinsburg Marcelo...1-032 ≣E15Memorial Pelikan ...
544Krashenov Valery ...1947Obrezchikov Mikha...19681-020 ≣A46Memorial P.Dubini...07 Jan 2009
396Gaponenko Leonid ...2049Kazantsev Valenti...21180-135 ≣A46Memorial M.Chigor...
538Pogosian Manvel (...2256Androsov Sergey (...20781-035 ≣A46Memorial M.Chigor...10 Oct 2008
413Skatchkov Pavel (...2454Belukhin Ivan (RUS)22341-033 ≣A46Memorial M.Chigor...
564Kopasov Alexander...2157Gutyakulov Amal (...19641-034 ≣E15Memorial M.Chigor...21 Oct 2009
374Kashtanov Ruslan ...2341Iljushin Alexei (...25270-119 ≣A05Memorial M.Chigor...
461Ignatenko Vladimi...2118Golichenko Ilija ...22830-134 ≣A46Memorial Kurass26 Jun 2005
501Tantsov Petr (RUS)1708Tarasov Igor (RUS)23630-140 ≣E15Memorial K.Tsiolk...03 Aug 2007
27Katetov Miroslav ...Rohacek Vladimir ...1-040 ≣A05Memorial K.Treybal
560Tominski Norbert ...1897Diez Gerhard (GER)21130-134A47Memorial Karl Mal...17 Jul 2009
598Brandao Renan Alv...2043Delgado Lidio (BRA)22750-137 ≣A46Memorial Jose Jab...
617Asfora Marco (BRA)2219Ribeiro Orlando A...19191-036 ≣A46Memorial J.Capabl...19 Nov 2011
407Andersson Ulf (SWE)2601Stefansson Hannes...25751-037 ≣A05Memorial J.Capabl...
164Madler JurgenLetic Stevan (SRB)21041-035 ≣E15Memorial Heilimo ...
57Szabo Laszlo (HUN)1903Keres Paul (EST)25801-040 ≣A15Memorial G.Maroczy
56Platz HansStahlberg Gideon ...0-138 ≣A46Memorial G.Maroczy
58Szabo Laszlo (HUN)1903Platz Hans1-029 ≣A05Memorial G.Maroczy
353Sanz Arilla Luis ...2254Ariste Justo Jesu...18781-029 ≣E15Memorial Dr. Rey ...
186Toma Dana (ROM)2064Kaniansky Mirosla...21990-133 ≣A47Memorial Dr. Lang...
28Sajtar Jaroslav (...Vymetal Vaclav (CZE)1-027 ≣E15Memorial Dobrusky...22 Jan 1946
326Martin Del Campo ...2280Esquivel Efrain (...20911-026 ≣A40Memorial C.Torre