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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
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
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
158Andreas PeterJohansson Thomas ...21731-033 ≣E15It (b)
441Anpilogov Vadim (...2002Bragin Artem (RUS)20420-126 ≣E15Ch Russia (junior...
43Aratovsky NikolayRovner Dmitry (RUS)1-034 ≣E15Ch URS (1/2 final)
433Artemchuk Taras (...2224Serik Maxim (UKR)22460-126 ≣E15Ch Ukraine (junio...
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...
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
86Baumbach Friedric...2239Kuttner Uwe1-039 ≣E15Ch DDR
477Bayarmandah Balga...2182Merritt Mario (TRI)21251-037 ≣E15Olympiad30 May 2006
275Bazhin Anatoly (RUS)2385Krivonosov Oleg (...24000-132 ≣E15It (open)
126Beliavsky Alexand...2530Petrosian Tigran ...26201-039 ≣E15It \
366Berclaz PhilippeQuaresma EngLuis ...1-035 ≣E15Ch World (e-mail)...
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)
49Bolbochan Julio (...2440Wexler Francisco1-030 ≣E15Zt
151Bondick Karl-Hein...2144Hesselbarth Karlh...18080-135 ≣E15Ch DDR (corr.)
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) \
116Browne Walter S (...2545Grefe John A (USA)24251-033 ≣E15Ch USA
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)
519Castaneda JLaverde Luis1-028 ≣E15It (open)09 Feb 2008
136Cervenka Imrich (...2190Certek Pavel (SVK)23221-029 ≣E15It (open) \
257Chambers GilbertKolbert Andrews0-124 ≣E15It (open)
429Chernyshov Konsta...2569Burnett Ronald (USA)24441-029 ≣E15It (cat.8)
333Computer \Computer \1-028 ≣E15Match (active)
153Cording Harm (GER)2258Kiefer Gerhard (GER)22571-039 ≣E15Bundesliga 1980/81
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?
169Dini DColombo Alberto (...20900-134 ≣E15Ch Italy
60Doerner CharlesTeschner Rudolf (...22950-133 ≣E15Olympiad
550Dulin Anatoliy (RUS)1983Shishkin Lev (RUS)20711-040 ≣E15Ch Region (seniors)25 Mar 2009
149Dydyshko Viachesl...2450Ravisekhar Raja (...24200-140 ≣E15It (cat.7)
93Edelsvard OlleWikstrom Birger1-034 ≣E15corr.
252Eichhorn UlrikeMeissner Christoph0-137 ≣E15Ch JBLN East 1992/93
334Estrada Martinez ...2165Ramirez Allo Edua...22550-135 ≣E15It (open)
50Euwe Max (NED)Evans Larry M (USA)24700-139 ≣E15It
13Euwe Max (NED)Fairhurst William...23001-039 ≣E15Match \05 Jul 1938
14Euwe Max (NED)Keres Paul (EST)25800-134 ≣E15Match
293Fassl Erich (AUT)2123Hamilton Stuart (...20491-039 ≣E15It (open)
82Felmeri Janos (HUN)2275Tompa Janos (HUN)23981-023 ≣E15Tournament
152Fiedler (CZE)Gulich W1-028 ≣E15corr.
97Filip Miroslav (CZE)2465Korchnoi Viktor (...25560-137 ≣E15Olympiad
395Flumbort Andras (...2355Cascudo Pueyo Ign...21171-033 ≣E15It (open)
526Frank Christian (...1936Kugler Florian (GER)19730-130 ≣E15Ch Germany (junio...08 Jun 2008
425Frosch Erich (AUT)2320Gaertner Guntram ...23360-134 ≣E15Staatsliga 2002/03
397Frosch Erich (AUT)2313Szekely Csaba (HUN)22341-011 ≣E15It (open)
414Frosch Erich (AUT)2339Szabo Lajos (HUN)21951-040 ≣E12Ch Hungary (open)
65Fuderer Andrija (...Geller Efim P (RUS)24551-036 ≣E15Olympiad
305Fuhrmann Daniel (...2265Dudek Richard (GER)22450-140 ≣E15Bundesliga 1996/97
562Galopoulos N (GRE)2255Grigorov Grigor (...24890-137 ≣E15It (open)29 Aug 2009
331Garcia Cervigon J...Lopez Capape Arma...18951-040 ≣E12It (open) \
442Gavariev Renat (RUS)2310Malakhevich Evgen...22381-035 ≣E15Ch Russia (junior...
569Gavariev Renat (RUS)2332Murzin Lenar (RUS)21701-023 ≣E15Ch PriFO (open)26 Jan 2010
393Geiling Christian...2216Dallmann Volker (...20151-029 ≣E15It (open)
474Georgescu Tiberiu...2211Miroiu George Cat...19581-038 ≣E15Ch Romania (junio...14 Apr 2006
202Georgiev Kiril (MKD)2595Schneiders A (NED)21631-028 ≣E15It (open)
100Gerber KMueller Erich (GER)21401-025 ≣E15corr.
361Gervasio Ricardo ...2352Olivier Jean-Chri...23931-039 ≣E15Ch France (team) ...
327Goeczoe Melinda (...Matnadze Ana (GEO)21450-117 ≣E15Ch Europe (junior...
110Goldschmidt Berna...Bielicki Carlos (...23150-133 ≣E15It (open) \
54Golombek Harry (ENG)2320Nedeljkovic Sreck...21880-139 ≣E15It
358Graf Alexander (GER)2584Volzhin Alexander...25690-139 ≣E15It (open)
348Graf Alexander (GER)2625Anagnostopoulos D...24451-035 ≣E15Ch Greece (team)
34Gruber BratoljubBozic Alexander0-136 ≣E15Ch Yugoslavia
179Guido Flavio (ITA)2396Fenton N0-138 ≣E15Olympiad
191Gunawan Ronny (INA)2440Dextre Eric (FRA)21601-026 ≣E15It (open)
306Hacker Christian ...2084Boettcher Markus18251-024 ≣E15Oberliga NRW 1996/97
303Haemmerlein Thoma...2170Lehmann Matthias ...21800-138 ≣E15Ch Berlin
462Hammar Ulf (SWE)2156Sagit Ranan (SWE)22430-135E15Ch Sweden (juniors)
509Hamrakulova Yuldu...2185Aketaeva Dana (KAZ)22480-136 ≣E15Zt (w)04 Oct 2007
84Hanks John (AUS)2171Hester David A1-021 ≣E15Ch Australia12 Jan 1963
611Haravitsidis Milt...1842Maiorov Nikita (BLR)25580-129 ≣E15It (open)20 Jul 2011
102Hay Trevor (AUS)2287Drira Ahmed22001-032 ≣E15Olympiad
381Heinlein Reinhold...2171Dallmann Volker (...20151-034 ≣E15It (open)
284Hellegaard Carste...2228From Sigfred (DEN)22500-137 ≣E15It (open)
343Henttinen Markku ...2270Liitiainen Elia (...22061-037 ≣E15It (open)
315Hernandez Hector ...2065Neumann Han H W M...20911-034 ≣E15Olympiad
561Hetey Laszlo (GER)2352Houriez Clement (...23140-140 ≣E15It (open)01 Aug 2009
132Horn Peter (GER)2161Heilemann Manfred...22940-139 ≣E15Ch Germany (team)...