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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
257Chambers GilbertKolbert Andrews0-124 ≣E15It (open)
156Karlsson RalfKolsi Ari1-033 ≣E15?
524Okhrimenko Ivan (...2041Konev Yury (RUS)21900-138 ≣A46Tournament (open)10 Apr 2008
536Mudrak Josef (CZE)2346Konstacky Matej (...21331-036 ≣A46It (open)12 Aug 2008
512Javakhadze Zurab ...2167Koohestani Sh (IRI)20901-016 ≣A46Ch World (juniors...21 Nov 2007
128Miles Anthony J (...2565Korchnoi Viktor (...26650-134A46It (cat.13)
95Mista Ladislav (CZE)2158Korchnoi Viktor (...25560-136 ≣A17Ch Czechoslovakia
97Filip Miroslav (CZE)2465Korchnoi Viktor (...25560-137 ≣E15Olympiad
92Ivkov Borislav (SRB)2416Korchnoi Viktor (...25560-136 ≣E15Olympiad
44Najdorf Miguel (POL)2445Kottnauer Cenek (...23701-036 ≣E15It
404Bocsvin Dmitri (RUS)2144Kraev Alexei (RUS)23081-031 ≣A05Ch Russia (junior...
362Leib Agripa (SUI)2211Kraft Philippe (SUI)22081-029 ≣A46It (open)
55Bouwmeester Hans ...2343Kramer Haije J (NED)23300-137 ≣E15It
275Bazhin Anatoly (RUS)2385Krivonosov Oleg (...24000-132 ≣E15It (open)
628Egorov Valery (RUS)1801Kruglyak Nikita (...20370-130 ≣A15Memorial Sarkisov...27 May 2012
131Sprecic Mustafa (...2309Krzisnik Rok (SLO)22221-037 ≣A47Ch Yugoslavia
174Kerik MKuehnel H1-031 ≣E15Cup Baltic (corr.)
526Frank Christian (...1936Kugler Florian (GER)19730-130 ≣E15Ch Germany (junio...08 Jun 2008
212Panzalovic Srdjan...2458Kula Robert (POL)23411-040 ≣A05It (open)
346Voracek Miroslav ...2210Kunin Vitaly (GER)22900-136 ≣E15Ch Europe (junior...
79Darga Klaus (GER)2453Kupper Josef (SUI)23741-031 ≣E15Cup Clare Benedict
388Studeny Steffen (...2271Kuraszkiewicz Mic...23091-034 ≣A46Bundesliga 1999/00
86Baumbach Friedric...2239Kuttner Uwe1-039 ≣E15Ch DDR
90Borchardt Adam (POL)1967Lachut Jan1-036 ≣A46Ch Poland (team)
386Wiebe Patrick (GER)2198Ladermann M1-030 ≣A46Bayern Oberliga N...
292Ciampi Vincenzo (...2107Laketic Gojko (SRB)24200-131 ≣A46Ch Italy (team)
377Piscopo Pierluigi...2039Laketic Gojko (SRB)24180-132 ≣E15Tournament (open)
457Mihalj M Miroslav...2313Laketic Gojko (SRB)24790-131 ≣A46It20 Mar 2005
200Medar Zeljko (SRB)2219Laketic Gojko (SRB)24000-132 ≣A05It (open)
5Reti Richard (CZE)Landau Salo (POL)1-037 ≣E15Match
325Pezerovic Edin (GER)2445Lang Zalan Andrea...22181-036 ≣A05Bayern Oberliga
262Pfeffer Ruprecht ...2261Lankenau Christia...21251-023 ≣E15Ch Germany (junio...
577Sujkowski Pawel (...1938Lasota Adam (POL)18221-029 ≣A15Ch City01 Jul 2010
519Castaneda JLaverde Luis1-028 ≣E15It (open)09 Feb 2008
357Kljako Damir (CRO)2253Lebel-Arias Julia...20531-028 ≣E15It (matches)
449Bauder Herbert (GER)2115Lehmann Karl-Hein...22290-125 ≣E15It (open) \16 Aug 2004
303Haemmerlein Thoma...2170Lehmann Matthias ...21800-138 ≣E15Ch Berlin
118Lindvall AnttiLehtosaari Kalevi...20430-130 ≣E15?
470Ruether Rudolf (GER)2188Leitner Maximilia...22550-138 ≣E15Bayern Landesliga...13 Nov 2005
498Nguyen Thien Viet...2321Le Quang Liem (VIE)25340-137 ≣E15Ch Vietnam07 Apr 2007
164Madler JurgenLetic Stevan (SRB)21041-035 ≣E15Memorial Heilimo ...
259Batchinsky Stepha...2274Leuba Didier (SUI)22191-022 ≣A05Ch Switzerland (t...
279Arnett David A (USA)2300Levit Roman (USA)22750-129 ≣A46It (open)
184Wheeler Mark (ENG)2295Levitt Jonathan (...23950-136 ≣E15It (open) \
142Kochyev Alexander...2417Liang Jinrong (CHN)24541-040 ≣A05Ch World (team) (...
589Kuciel Wladyslaw ...2076Licznerski Lukasz...20611-039 ≣A46Memorial A.Rubins...21 Aug 2010
99Espig Lutz (GER)2460Liebert Heinz (GER)24200-133 ≣A05It
227Herrmann Michael ...2242Lieb Harald (GER)21910-127 ≣A05Bundesliga 1990/9...
239Bornemann Wolfram...2258Lieb Harald (GER)21910-127 ≣E15Bundesliga 1991/92
343Henttinen Markku ...2270Liitiainen Elia (...22061-037 ≣E15It (open)
465Balog Imre (HUN)2032Lilov Valeri (BUL)22310-136 ≣E15Ch Europe (junior...
518Dambrauskaite Jur...1816Limontaite Simona...21970-129 ≣E15Ch Lithuania (1/2...28 Jan 2008
94Vaganian Rafael A...2577Lombard Andre (SUI)23501-040 ≣E15Ch Europe (juniors)
331Garcia Cervigon J...Lopez Capape Arma...18951-040 ≣E12It (open) \
370Stolfa Rodolfo (ITA)1812Loviscek Matjaz (...20310-131 ≣E15It (open)
96Ocampo Raul (MEX)2260Luckis Marcos22701-040 ≣A05Ch Argentina (qual)
74Espinosa Rafael M...2403Luckis Marcos22701-032 ≣A46Ch Argentina
36Szabo Laszlo (HUN)1903Luckis Marcos22701-039 ≣A05It
342Pilchin Mikhail (...Lukuanenko Sergei...22170-132 ≣E15Ch City
627Christiansen Jens...2135Lund Esben (DEN)24170-139 ≣A46It (open)17 May 2012
349Patuzzo Fabricio ...2290Maas Thomas (BEL)21021-026 ≣A40Ch World (univers...
52Letelier Rene (CHI)2151Maccioni Seisdedo...1-040 ≣A47Ch Chile
459Klink R (KAZ)2255Mader Sascha (GER)20961-038 ≣A04It (open)17 Apr 2005
105Venalainen Unto E...2350Magnusson Bjarni ...18561-034 ≣A05?
583Kouroumbas Kosmas...1710Maiorov Nikita (BLR)25460-132 ≣E15It (open)22 Jul 2010
611Haravitsidis Milt...1842Maiorov Nikita (BLR)25580-129 ≣E15It (open)20 Jul 2011
607Eingorn Vereslav ...2567Maiorov Nikita (BLR)25581-027 ≣A05It (open)08 May 2011
365Meskanen Vesa (FIN)2065Maki-Uuro Miikka ...23631-034 ≣E15It (open) \
513Abramovic Bosko (...2508Maksimovic Mirosl...22061-037 ≣A46Cup Belgrade (open)26 Nov 2007
442Gavariev Renat (RUS)2310Malakhevich Evgen...22381-035 ≣E15Ch Russia (junior...
581Ramon Solans Albe...2221Marches Rios Juan...21161-027 ≣A46Tournament (Elo) (a)15 Jul 2010
495Metaxasz Vaszilis...2175Marodi Matyas (HUN)21751-025 ≣A15Tournament (Elo) (a)03 Feb 2007
223Marin Aso Josep L...Matamoros A1-025 ≣A05It (open)
47Henneberke Frans ...Matanovic Aleksan...24900-140 ≣A46Match \22 Jun 1950
327Goeczoe Melinda (...Matnadze Ana (GEO)21450-117 ≣E15Ch Europe (junior...
632Weilguni Johann (...2167Matt Fabian (AUT)22111-031 ≣A46Ch Austria25 Jul 2012
551Akdag Dara (DEN)2198Matthiesen Martin...23050-134 ≣E15Ch Denmark09 Apr 2009
423Profumo Alberto (...2256Maupin Jean-Paul ...20471-035 ≣A05It (open)
609Izhnin A (UKR)2346Mazurchak Bogdan ...22131-033 ≣A05Ch Ukraine (1/2 f...11 May 2011
135Zaltsman Vitaly F...2445McCambridge Vince...22601-037 ≣A05It (open)
252Eichhorn UlrikeMeissner Christoph0-137 ≣E15Ch JBLN East 1992/93
409Yerofeev Sergey (...2369Melo Olavo (BRS)1-020 ≣A47Tournament (ICCF)
344Leal Joao Vitor (...2126Merino Garcia Raf...22751-039 ≣A46Ch World (juniors...
477Bayarmandah Balga...2182Merritt Mario (TRI)21251-037 ≣E15Olympiad30 May 2006
313Streich Gerhard (...2167Meyer Stefan (GER)21911-040 ≣A04It (open)
563Bensdorp Marlies ...2334Middelveld Martin...20911-017 ≣A40Ch Netherlands (w)12 Sep 2009
220Deantoni Veronica...2005Mills Natalie (AUS)20290-140 ≣E15Olympiad
474Georgescu Tiberiu...2211Miroiu George Cat...19581-038 ≣E15Ch Romania (junio...14 Apr 2006
490Sergeev A (KAZ)2333Mitkov Alexander ...21001-028 ≣A46It (open) \04 Dec 2006
489Glushenkov FedorMitkov Alexander ...21000-128 ≣A46It (open) \02 Dec 2006
192Cederquist BengtMoeller HJ1-040 ≣A40Europe Tournament...
301Ivanovich SMonier Raul (ARG)24050-139 ≣A46It (open) \
439Melero Morales Ja...2107Moran Fernandez F...1-036 ≣E15Ch Asturias
541Hintze Helge (GER)2346Morawietz Dieter ...24491-030 ≣A05NRW Klasse 2 2008/0930 Nov 2008
398Burgos Garbin Fra...2078Morcillo Ferran J...21461-013 ≣E15It (open)
440Ruiz Garcia Jose ...2117Moya Albadalejo J...19791-037 ≣E15Ch Murcia
100Gerber KMueller Erich (GER)21401-025 ≣E15corr.
615Gyldenas Ole Jorn...2001Muhsen Abdullah M20470-137 ≣A46Ch Norway (club)14 Oct 2011
531Vul Arkadi Eremee...2351Munksgerd Dennis ...20041-035 ≣A05Cup North Sea (open)13 Jul 2008
569Gavariev Renat (RUS)2332Murzin Lenar (RUS)21701-023 ≣E15Ch PriFO (open)26 Jan 2010