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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
605Abasov Nijat Azad...2470Izzat Kanan Azar ...22381-034 ≣E15Ch Azerbaijan (ju...11 Apr 2011
513Abramovic Bosko (...2508Maksimovic Mirosl...22061-037 ≣A46Cup Belgrade (open)26 Nov 2007
198Agdestein Simen (...2560Sharif Mehrshad (...24501-023 ≣E15It (cat.10)
551Akdag Dara (DEN)2198Matthiesen Martin...23050-134 ≣E15Ch Denmark09 Apr 2009
619Aksenov Oleksandr...1847Teychene Jean-Lou...19410-127 ≣E15It (open)27 Dec 2011
537Alachihin Vladimi...2171Borisov Grigori (...18451-040 ≣A46Tournament (juniors)21 Aug 2008
568Al-Aqrabi Saleh (...2201Himanshu Sharma (...24490-127 ≣E15Ch Asia (team)27 Dec 2009
464Aliev Kerim (TKM)2294Vaghar Mohsen (IRI)21721-031 ≣E15It (open)29 Aug 2005
618Alimov Alexander ...1985Epifantsev Igor (...22260-133 ≣E15Ch City (open)
499Aliqogin Jaslan (...2342Kaliberda Vladimi...23191-034 ≣E15Memorial Zudov (c...12 Jul 2007
576Also Alvarado Lui...2178Perez Felipe Marc...23080-126 ≣A46Ch Canarias (team)28 May 2010
407Andersson Ulf (SWE)2601Stefansson Hannes...25751-037 ≣A05Memorial J.Capabl...
479Andreasen Per (DEN)2244Solberg Joachim (...21980-137 ≣A15It (open) \30 Jul 2006
158Andreas PeterJohansson Thomas ...21731-033 ≣E15It (b)
491Andreev Denis (UKR)2033Borsuk Konstantin...22630-131 ≣A46Ch Ukraine (junio...08 Dec 2006
448Anez Jorge (BOL)2161Ferrufino Boris (...22310-132 ≣A46Ch Bolivia15 Aug 2004
441Anpilogov Vadim (...2002Bragin Artem (RUS)20420-126 ≣E15Ch Russia (junior...
43Aratovsky NikolayRovner Dmitry (RUS)1-034 ≣E15Ch URS (1/2 final)
578Argente Rodriguez...2140Cortes Jurado Raf...20830-125 ≣A10It (open)01 Jul 2010
134ArgentieroBertolucci G1-023 ≣A17corr.
279Arnett David A (USA)2300Levit Roman (USA)22750-129 ≣A46It (open)
433Artemchuk Taras (...2224Serik Maxim (UKR)22460-126 ≣E15Ch Ukraine (junio...
614Arvola Benjamin (...2207Bonade Massimo (ITA)20790-132 ≣A46It (open)26 Aug 2011
617Asfora Marco (BRA)2219Ribeiro Orlando A...19191-036 ≣A46Memorial J.Capabl...19 Nov 2011
101Averbakh Yuri L (...2550Bilek Istvan (HUN)24851-037 ≣E15It
359Baekgaard Martin ...2055Aagaard Jacob (SCO)24030-138 ≣E12It (open) \
465Balog Imre (HUN)2032Lilov Valeri (BUL)22310-136 ≣E15Ch Europe (junior...
83Barcza Gedeon (HUN)2435Trincardi Tullio ...22351-032 ≣A05It
72Barcza Gedeon (HUN)2435Kluger Gyula (HUN)22500-139 ≣A05Ch Hungary
127Barlov Dragan (SRB)2458Ristic Nenad (SRB)24201-033 ≣A46It
48Baron ScudierSmith Kenneth R (...23700-129 ≣A05It (open)
437Baryshpolets Andr...2120Yurkov Alexey (UKR)20911-037 ≣A05Ch Ukraine (junio...
311Bastys Robertas (...2236Fedorchuk Sergey ...22650-129 ≣A46Ch Europe (junior...
259Batchinsky Stepha...2274Leuba Didier (SUI)22191-022 ≣A05Ch Switzerland (t...
33Batik FrantisekNapolitano Mario ...0-139 ≣E15?
7Batuev Andrey Mik...Shipunov Georgy A0-133 ≣E15Ch Leningrad
449Bauder Herbert (GER)2115Lehmann Karl-Hein...22290-125 ≣E15It (open) \16 Aug 2004
450Bauder Herbert (GER)2115Gebert Ralf (GER)20180-132 ≣E15It (open) \19 Aug 2004
415Baumann Walter1725Fels Karl-Heinz (...19110-132 ≣A46Ch Bayern (senior...
86Baumbach Friedric...2239Kuttner Uwe1-039 ≣E15Ch DDR
350Baumegger Siegfri...2360Steedman Jim22001-037 ≣A47Cup European Club
477Bayarmandah Balga...2182Merritt Mario (TRI)21251-037 ≣E15Olympiad30 May 2006
508Bayer Bernhard (GER)2344Stabolewski Andre...22571-038 ≣A05It \04 Sep 2007
206Bayer Ernst-Wolfg...2300Junge Ralf (GER)23301-012 ≣A05Bundesliga 1988/89
275Bazhin Anatoly (RUS)2385Krivonosov Oleg (...24000-132 ≣E15It (open)
126Beliavsky Alexand...2530Petrosian Tigran ...26201-039 ≣E15It \
563Bensdorp Marlies ...2334Middelveld Martin...20911-017 ≣A40Ch Netherlands (w)12 Sep 2009
366Berclaz PhilippeQuaresma EngLuis ...1-035 ≣E15Ch World (e-mail)...
559Berrios Echevarri...2161Guzman Carlos (PUR)20841-031 ≣A40Ch Puerto Rico15 Jul 2009
167Bettalli Marco (ITA)2053Tirabassi Maurizi...23060-133 ≣A05?
80Bilek Istvan (HUN)2375Honfi Karoly (HUN)23651-018 ≣A13Memorial Asztalos28 Jul 1962
606Binder Moriz (AUT)1940Gstach Jakob (AUT)20430-132E15Ch Austria (junio...19 Apr 2011
150Blachmann Horst (...2125Kliesch Bernd-Wal...19800-139 ≣E15Ch DDR (corr.)
566Blagojevic Dragis...2545Pantic Ivica (SRB)21971-034 ≣E15It (open) \27 Nov 2009
364Blasko Istvan (HUN)2221Hidegh Eszter (HUN)21351-021 ≣E00It (open)
380Blazquez Denis (FRA)2180Angel Acosta Juan...21811-034 ≣A05Ch Spain (team)
404Bocsvin Dmitri (RUS)2144Kraev Alexei (RUS)23081-031 ≣A05Ch Russia (junior...
244Boctor Wageeh (USA)2200Hanley Joe (USA)21431-026 ≣A05Tournament
49Bolbochan Julio (...2440Wexler Francisco1-030 ≣E15Zt
238Bolding Klaus (FRA)2246Aagaard Jacob (SCO)22500-125 ≣A05Ch Denmark (qual)
151Bondick Karl-Hein...2144Hesselbarth Karlh...18080-135 ≣E15Ch DDR (corr.)
90Borchardt Adam (POL)1967Lachut Jan1-036 ≣A46Ch Poland (team)
239Bornemann Wolfram...2258Lieb Harald (GER)21910-127 ≣E15Bundesliga 1991/92
55Bouwmeester Hans ...2343Kramer Haije J (NED)23300-137 ≣E15It
426Bozilov Novica (SRB)2023Samardzija Zeljko...19430-132 ≣E15It (open) \
598Brandao Renan Alv...2043Delgado Lidio (BRA)22750-137 ≣A46Memorial Jose Jab...
219Briffel Francisco...2145Cid Marino Alejan...23400-135 ≣A05Olympiad
116Browne Walter S (...2545Grefe John A (USA)24251-033 ≣E15Ch USA
226Bruch Ingo (GER)2280Zlatilov Ivailo (...23821-039 ≣A40It (open) \
486Brujic Bozidar (SRB)2208Ivanis Goran (SRB)20211-033 ≣E15Ch Belgrad (team)...16 Oct 2006
42Brunet PhilipTherien Jules1-029 ≣E15Ch Canada
535Bui Trong HaoTran Ngo Thien Phu1-034 ≣E15Ch Vietnam (junio...02 Aug 2008
145Bukic Enver (SLO)2500Abramovic Bosko (...24631-029 ≣E15Ch Yugoslavia
398Burgos Garbin Fra...2078Morcillo Ferran J...21461-013 ≣E15It (open)
260Burmakin Vladimir...2588Neverov Anatoly (...23361-036 ≣A46It (open)
597Bu Xiangzhi (CHN)2695Vladimirov Evgeny...26231-027 ≣A05Asian Games (team)24 Nov 2010
519Castaneda JLaverde Luis1-028 ≣E15It (open)09 Feb 2008
265Castelli GCelestini Mauro (...0-139A17It (open)
192Cederquist BengtMoeller HJ1-040 ≣A40Europe Tournament...
136Cervenka Imrich (...2190Certek Pavel (SVK)23221-029 ≣E15It (open) \
257Chambers GilbertKolbert Andrews0-124 ≣E15It (open)
430Cherenkova Kristi...2250De-Rosa Maria (ITA)21101-034 ≣A46Ch Europe (junior...
429Chernyshov Konsta...2569Burnett Ronald (USA)24441-029 ≣E15It (cat.8)
335Chloupek Stanisla...2360Navara David (CZE)22751-040 ≣A05Czech League 1998...
382Choma Alexandre P...2006Calcado A (BRA)22450-138 ≣A05Tournament (open)
627Christiansen Jens...2135Lund Esben (DEN)24170-139 ≣A46It (open)17 May 2012
594Churaev Raif (RUS)2096Darmin Dmitry (RUS)23710-138 ≣A46Memorial Siamidi ...23 Oct 2010
292Ciampi Vincenzo (...2107Laketic Gojko (SRB)24200-131 ≣A46Ch Italy (team)
247Cipres Auseron Ig...2132Zlotnik Boris A (...24550-140 ≣A46It (open)
533Colpe M2105Hertneck Gerald (...25190-140 ≣A46It (open)21 Jul 2008
333Computer \Computer \1-028 ≣E15Match (active)
153Cording Harm (GER)2258Kiefer Gerhard (GER)22571-039 ≣E15Bundesliga 1980/81
384Corkett Anthony (...2283Thompson Ian D (ENG)22081-023 ≣A05Ch England (team)...
224Crespo Borrego Fr...Prieto Julio1-032 ≣A40It (open)
383Csomos Roland (HUN)2293Dub Zeev (ISR)21370-121 ≣A46It (cat.2)
518Dambrauskaite Jur...1816Limontaite Simona...21970-129 ≣E15Ch Lithuania (1/2...28 Jan 2008
79Darga Klaus (GER)2453Kupper Josef (SUI)23741-031 ≣E15Cup Clare Benedict
220Deantoni Veronica...2005Mills Natalie (AUS)20290-140 ≣E15Olympiad
66Del Vecchio LucioCastaldi Vincenzo...0-126 ≣E15?
593Demensky Evgeny (...2220Riabov Alexander ...20721-039 ≣A46Ch Kuzbass23 Oct 2010