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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
86Baumbach Friedric...2239Kuttner Uwe1-039 ≣E15Ch DDR
151Bondick Karl-Hein...2144Hesselbarth Karlh...18080-135 ≣E15Ch DDR (corr.)
150Blachmann Horst (...2125Kliesch Bernd-Wal...19800-139 ≣E15Ch DDR (corr.)
551Akdag Dara (DEN)2198Matthiesen Martin...23050-134 ≣E15Ch Denmark09 Apr 2009
124Raivio Yrjo (FIN)2067Jensen Rene (DEN)22951-025 ≣E15Ch Denmark (juniors)
144Stigar Petter (NOR)2298Danielsen Henrik ...25430-132 ≣E15Ch Denmark (juniors)
133Henttinen Markku ...2270De Wit Johannes S...24021-035 ≣A40Ch Denmark (juniors)
123Raivio Yrjo (FIN)2067Fly Bjarne1-023 ≣E15Ch Denmark (juniors)
178Overgaard Christi...2250Ustergard Jens1-037 ≣A05Ch Denmark (junio...
238Bolding Klaus (FRA)2246Aagaard Jacob (SCO)22500-125 ≣A05Ch Denmark (qual)
384Corkett Anthony (...2283Thompson Ian D (ENG)22081-023 ≣A05Ch England (team)...
484Easton Alex (SCO)2122Radovanovic Jovic...23311-030 ≣A05Ch England (team)...16 Sep 2006
472Szymanska Maria (...2159Kaunas Kestutis (...23180-140 ≣E15Ch Europe (active)18 Dec 2005
416Ushenina Anna (UKR)2291Zdebskaja Natalia...22841-026 ≣E15Ch Europe (blitz)...
94Vaganian Rafael A...2577Lombard Andre (SUI)23501-040 ≣E15Ch Europe (juniors)
465Balog Imre (HUN)2032Lilov Valeri (BUL)22310-136 ≣E15Ch Europe (junior...
327Goeczoe Melinda (...Matnadze Ana (GEO)21450-117 ≣E15Ch Europe (junior...
346Voracek Miroslav ...2210Kunin Vitaly (GER)22900-136 ≣E15Ch Europe (junior...
311Bastys Robertas (...2236Fedorchuk Sergey ...22650-129 ≣A46Ch Europe (junior...
447Przezdziecka Mart...2128Yildiz Betul (TUR)20211-029 ≣A46Ch Europe (junior...01 Aug 2004
430Cherenkova Kristi...2250De-Rosa Maria (ITA)21101-034 ≣A46Ch Europe (junior...
403Khismatullin Deni...2448Werle Jan (NED)24590-140 ≣A46Ch Europe (junior...
312Dyachkov Sergej (...2515Del Rio Angelis S...23251-039 ≣A04Ch Europe (junior...
520Pape Manfred (GER)2300James Gaynor D (WLS)20051-039 ≣A05Ch Europe (senior...13 Feb 2008
553Donchenko Anatoly...2381Bachmann Karlhein...22761-013 ≣A46Ch Europe (senior...12 Apr 2009
475Perez De Miguel A...2098Diez Fraile David...21721-028 ≣A46Ch Euskadi20 Apr 2006
193KiviahoFilppula0-133 ≣E15Ch Finland (corr.)
324Maki-Torkko Martt...2195Heinimaki Leo (FIN)20720-135 ≣A46Ch Finland (team)...
510Kinnunen Kari (FIN)2226Eloranta Kari (FIN)20281-039 ≣A46Ch Finland (team)...17 Nov 2007
291Piankov Evgenij (...2415Collard Olivier (...21821-038 ≣A46Ch France (team)
361Gervasio Ricardo ...2352Olivier Jean-Chri...23931-039 ≣E15Ch France (team) ...
64Uhlmann Wolfgang ...2379Koch Berthold (GDR)0-126 ≣E15Ch Germany
526Frank Christian (...1936Kugler Florian (GER)19730-130 ≣E15Ch Germany (junio...08 Jun 2008
262Pfeffer Ruprecht ...2261Lankenau Christia...21251-023 ≣E15Ch Germany (junio...
352Zimmermann Andre ...2099Werner Daniel (GER)21591-029 ≣E15Ch Germany (junio...
253Wilhelmi Christia...2439Dabrowska Krystyn...22081-018 ≣A46Ch Germany (junio...
132Horn Peter (GER)2161Heilemann Manfred...22940-139 ≣E15Ch Germany (team)...
543Pavlidis Anastasi...2348Stathopoulos Ioan...19091-023 ≣E15Ch Greece (junior...05 Jan 2009
348Graf Alexander (GER)2625Anagnostopoulos D...24451-035 ≣E15Ch Greece (team)
418Heck Norbert (GER)2252Chandler Patrick ...22891-038 ≣A05Ch Hessen
72Barcza Gedeon (HUN)2435Kluger Gyula (HUN)22500-139 ≣A05Ch Hungary
46Gereben Erno (SUI)2320Pogats Jozsef (HUN)22301-040 ≣A47Ch Hungary
616Suhajda Attila (HUN)1921Eltigani Omar (HUN)23100-131 ≣E15Ch Hungary (junio...06 Nov 2011
414Frosch Erich (AUT)2339Szabo Lajos (HUN)21951-040 ≣E12Ch Hungary (open)
243Kovacs Laszlo M (...2339Portisch Gabor (HUN)23390-136 ≣A40Ch Hungary (team)...
371Thorfinnsson Bjor...2195Vidarsson Jon G (...23520-132 ≣E15Ch Iceland
434Thorhallsson Thro...2460Thorfinnsson Bjor...23381-034 ≣A46Ch Iceland
169Dini DColombo Alberto (...20900-134 ≣E15Ch Italy
59Porreca Giorgio (...Del Vecchio Lucio1-017 ≣A05Ch Italy
170La Tanza EColombo Alberto (...20900-136 ≣E15Ch Italy
292Ciampi Vincenzo (...2107Laketic Gojko (SRB)24200-131 ≣A46Ch Italy (team)
252Eichhorn UlrikeMeissner Christoph0-137 ≣E15Ch JBLN East 1992/93
593Demensky Evgeny (...2220Riabov Alexander ...20721-039 ≣A46Ch Kuzbass23 Oct 2010
7Batuev Andrey Mik...Shipunov Georgy A0-133 ≣E15Ch Leningrad
282Ruzele Darius (LTU)2495Butnorius Algiman...24500-138 ≣E15Ch Lithuania
547Piesina Gintautas...2342Setkauskas Vaidas...21861-021 ≣A05Ch Lithuania (1/2...16 Feb 2009
518Dambrauskaite Jur...1816Limontaite Simona...21970-129 ≣E15Ch Lithuania (1/2...28 Jan 2008
314Perron SeanBaragar Fletcher ...23050-128 ≣A47Ch Manitoba
294Donchenko Anatoly...2405Zakharov Alexande...23501-032 ≣A05Ch Moscow (open)
440Ruiz Garcia Jose ...2117Moya Albadalejo J...19791-037 ≣E15Ch Murcia
199Sheynin SDahl B (NOR)23101-030 ≣A46Ch Nassau
207Moen Steinar (NOR)2217Hoos B0-140 ≣A15Ch NATO (team)
16Mulder EAJMVan den Hoek Arno...0-139 ≣E15Ch Netherlands
500Goudriaan Etienne...2123Spaan Nathanel (NED)21381-030 ≣A46Ch Netherlands (o...25 Jul 2007
471Nikolic Predrag (...2584Werle Jan (NED)25091-040 ≣A05Ch Netherlands (t...17 Dec 2005
563Bensdorp Marlies ...2334Middelveld Martin...20911-017 ≣A40Ch Netherlands (w)12 Sep 2009
615Gyldenas Ole Jorn...2001Muhsen Abdullah M20470-137 ≣A46Ch Norway (club)14 Oct 2011
424Osterberg HugoDiesen Bruce (NOR)22560-133 ≣E15Ch Norway (team) ...
21Steiner Lajos (HUN)Goldstein Maurice...1-036 ≣E15Ch NSW (play-off)
234Fischer Andre Kla...2227Rist Manfred (GER)22130-133 ≣A40Ch Oberschwaben
31Szapiro MarekPlater Kazimierz ...1-035 ≣A47Ch Poland08 Aug 1946
30Szapiro MarekSliwa Bogdan (POL)22350-136 ≣A46Ch Poland30 Jul 1946
32Mnichowicz ESliwa Bogdan (POL)22350-136 ≣A46Ch Poland09 Aug 1946
10Najdorf Miguel (POL)2445Schaechter Izaak1-035 ≣A47Ch Poland
250Zarzycki WCzarnolewski P0-139 ≣E15Ch Poland (corr.)
255Zelazkowski RDybala R1-039 ≣E15Ch Poland (corr.)
229Kardys Zbigniew (...1992Gizynski Tomasz (...23310-136 ≣A05Ch Poland (team)
90Borchardt Adam (POL)1967Lachut Jan1-036 ≣A46Ch Poland (team)
368Walaszczyk Witold...2241Jurkiewicz Krzysz...21671-030 ≣A46Ch Poland (team) ...
420Szymanska Maria (...2167Staszewska Anna (...20041-035 ≣E15Ch Poland (team) ...
569Gavariev Renat (RUS)2332Murzin Lenar (RUS)21701-023 ≣E15Ch PriFO (open)26 Jan 2010
559Berrios Echevarri...2161Guzman Carlos (PUR)20841-031 ≣A40Ch Puerto Rico15 Jul 2009
550Dulin Anatoliy (RUS)1983Shishkin Lev (RUS)20711-040 ≣E15Ch Region (seniors)25 Mar 2009
567Filippov Vladimir...1962Khripunov Alexand...19831-038 ≣A05Ch Region (seniors)27 Nov 2009
552Vrajitoru Vlad-La...Toma Radu-Cristian19790-123 ≣E15Ch Romania (junio...11 Apr 2009
474Georgescu Tiberiu...2211Miroiu George Cat...19581-038 ≣E15Ch Romania (junio...14 Apr 2006
298Grunberg Mihai-Lu...2330Zainea Marius (ROM)22401-039 ≣A05Ch Romania (team)
299Grunberg Mihai-Lu...2330Zainea Marius (ROM)22401-027 ≣A05Ch Romania (team)
591Plass Mariana-Cam...2134Baciu Anca-Otilia...21301-040 ≣A46Ch Romania (team)...05 Sep 2010
394GrinblatChernyi1-036 ≣A47Ch Russia (club) ...
322Vaskin VTakhtarov V1-026 ≣A05Ch Russia (corr.)...
372Ignatova YuJaremenko E0-128 ≣E15Ch Russia (junior...
441Anpilogov Vadim (...2002Bragin Artem (RUS)20420-126 ≣E15Ch Russia (junior...
523Koveshnikova Dari...2012Mustafina Svetlan...19311-033 ≣A05Ch Russia (junior...
404Bocsvin Dmitri (RUS)2144Kraev Alexei (RUS)23081-031 ≣A05Ch Russia (junior...
442Gavariev Renat (RUS)2310Malakhevich Evgen...22381-035 ≣E15Ch Russia (junior...
258Lastin Alexander ...2538Yemelin Vasily (RUS)25680-131 ≣A46Ch Russia (junior...
289Pavlov Aleksandr ...2240Sigitov V1-026 ≣E15Ch Russia (team)
209Heller MartinSeeck Klaus (GER)21460-138 ≣A46Ch Schleswig Hols...
633Rakic Teodora (SRB)1851Zarkovic Mila (SRB)19960-134 ≣E15Ch Serbia (junior...30 Jul 2012