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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
611Haravitsidis Milt...1842Maiorov Nikita (BLR)25580-129 ≣E15It (open)20 Jul 2011
148Sosonko Gennadi (...2585Seirawan Yasser (...25651-024 ≣E15It
258Lastin Alexander ...2538Yemelin Vasily (RUS)25680-131 ≣A46Ch Russia (junior...
358Graf Alexander (GER)2584Volzhin Alexander...25690-139 ≣E15It (open)
407Andersson Ulf (SWE)2601Stefansson Hannes...25751-037 ≣A05Memorial J.Capabl...
57Szabo Laszlo (HUN)1903Keres Paul (EST)25801-040 ≣A15Memorial G.Maroczy
38Lilienthal Andor ...2385Keres Paul (EST)25800-131 ≣E15Ch URS
14Euwe Max (NED)Keres Paul (EST)25800-134 ≣E15Match
111Kraidman Yair (ISR)2475Smyslov Vassily (...25950-135 ≣E15It
228Timman Jan H (NED)2630Ehlvest Jaan (USA)26051-038 ≣E15It (cat.17)
460Fridman Daniel (GER)2564Atalik Suat (BIH)26200-139 ≣A05It (open)14 May 2005
126Beliavsky Alexand...2530Petrosian Tigran ...26201-039 ≣E15It \
597Bu Xiangzhi (CHN)2695Vladimirov Evgeny...26231-027 ≣A05Asian Games (team)24 Nov 2010
3Makogonov Vladimi...Botvinnik Mikhail...26300-124 ≣A46Ch URS
210Korchnoi Viktor (...2655Salov Valery (RUS)26450-137 ≣A05Cup World
128Miles Anthony J (...2565Korchnoi Viktor (...26650-134A46It (cat.13)
137Larsen Bent (DEN)2585Karpov Anatoly (RUS)27250-123 ≣A05It (cat.14)
521Primbetov K (KAZ)2220Kabyshev A1-024 ≣E15Ch City26 Feb 2008
84Hanks John (AUS)2171Hester David A1-021 ≣E15Ch Australia12 Jan 1963
511Jung Young Hoon (...1539Utkal Ranjan Sahoo0-129 ≣E15Ch World (juniors...19 Nov 2007
37Lilienthal Andor ...2385Alatortsev Vladim...0-127 ≣A46Ch URS
428Lucena Lincoln (BRA)2181Domingues Jair1-040 ≣A05It (open)
86Baumbach Friedric...2239Kuttner Uwe1-039 ≣E15Ch DDR
90Borchardt Adam (POL)1967Lachut Jan1-036 ≣A46Ch Poland (team)
517Oberling RudolfWienold Thomas0-131 ≣A05Verbandsliga Bade...16 Dec 2007
519Castaneda JLaverde Luis1-028 ≣E15It (open)09 Feb 2008
34Gruber BratoljubBozic Alexander0-136 ≣E15Ch Yugoslavia
33Batik FrantisekNapolitano Mario ...0-139 ≣E15?
31Szapiro MarekPlater Kazimierz ...1-035 ≣A47Ch Poland08 Aug 1946
412Oppezzo Sebastian...2177Urbieta Osvaldo0-134 ≣E15Tournament
28Sajtar Jaroslav (...Vymetal Vaclav (CZE)1-027 ≣E15Memorial Dobrusky...22 Jan 1946
409Yerofeev Sergey (...2369Melo Olavo (BRS)1-020 ≣A47Tournament (ICCF)
27Katetov Miroslav ...Rohacek Vladimir ...1-040 ≣A05Memorial K.Treybal
23Filipcic MPoljakov1-030 ≣A46Ch Yugoslavia
21Steiner Lajos (HUN)Goldstein Maurice...1-036 ≣E15Ch NSW (play-off)
394GrinblatChernyi1-036 ≣A47Ch Russia (club) ...
20Weil HWatzl Leopold1-031 ≣A47Ch City
535Bui Trong HaoTran Ngo Thien Phu1-034 ≣E15Ch Vietnam (junio...02 Aug 2008
19Rossetto Hector (...2285Stahlberg Gideon ...0-136 ≣E15It
18Maderna Carlos H ...Bolbochan Jacobo ...0-136 ≣E15It
392Royer Oto InacioBrodda Wolfgang0-132 ≣E15corr. ICCF
15Treybal Karel (CZE)Opocensky Karel (...0-137 ≣E15Ch Czechia
386Wiebe Patrick (GER)2198Ladermann M1-030 ≣A46Bayern Oberliga N...
115Gil AntonioArfwedson Gerhard1-029 ≣A15corr.
12Kolski JosekRegedzinski Teodor0-137 ≣E15It
378Waffenschmidt Joa...2031Kienzler Werner0-136 ≣A46Verbandsliga Bade...28 Nov 1999
10Najdorf Miguel (POL)2445Schaechter Izaak1-035 ≣A47Ch Poland
372Ignatova YuJaremenko E0-128 ≣E15Ch Russia (junior...
123Raivio Yrjo (FIN)2067Fly Bjarne1-023 ≣E15Ch Denmark (juniors)
8Vallve JKahn Victor0-137 ≣A47It
7Batuev Andrey Mik...Shipunov Georgy A0-133 ≣E15Ch Leningrad
6Vidmar Milan Sr (...Colle Edgard (BEL)1-033 ≣A46It
367Lima EmmanuelQuinzio Martin Ja...1-035 ≣A15Ch Argentina (jun...
5Reti Richard (CZE)Landau Salo (POL)1-037 ≣E15Match
366Berclaz PhilippeQuaresma EngLuis ...1-035 ≣E15Ch World (e-mail)...
4Rejfir Josef (CZE)Thelen Bedrich (CZE)1-035 ≣A47Tournament
356Perez Juan M (CUB)2239Sabater A1-039 ≣E15Ch Spain (team) (...
2Takacs Sandor (HUN)Asztalos Lajos (HUN)0-130 ≣A15It
351Panchenko AJerez Araoz Gerardo1-036 ≣A05It (open)
29Koblents Alexande...Prucha Karel (CZE)1-027 ≣E15Match \
341Wissemann Andreas...2021Richtscheid Jens1-040 ≣E15It (open)
40Shocron Ruben (USA)2259Fuentes Juan Manuel1-038 ≣E15Match \
134ArgentieroBertolucci G1-023 ≣A17corr.
333Computer \Computer \1-028 ≣E15Match (active)
138Wright JohnPeterson George1-032 ≣E15It (corr.)
70Maher Vincent (IRE)Sapre Ramchandra ...0-137 ≣E15Olympiad (sf)05 Sep 1956
323Pankratov Valery ...Guinsburg Marcelo...1-032 ≣E15Memorial Pelikan ...
66Del Vecchio LucioCastaldi Vincenzo...0-126 ≣E15?
322Vaskin VTakhtarov V1-026 ≣A05Ch Russia (corr.)...
152Fiedler (CZE)Gulich W1-028 ≣E15corr.
310Miguel Lago Victo...2290Alcaraz Ana1-028 ≣A46Tournament (4)
308Mertens Marc (LUX)2225Kleinhenz A1-039 ≣A05It (open)
156Karlsson RalfKolsi Ari1-033 ≣E15?
68Zalys IgnasWestra Roelof1-027 ≣A05Match
157KocandrieKodym1-027 ≣E15?
216Sandkamp Ralph (GER)2307Schlenga Klaus0-127 ≣E15Bundesliga 1989/90
290MassonHuuskonen V (FIN)0-130 ≣A46?
289Pavlov Aleksandr ...2240Sigitov V1-026 ≣E15Ch Russia (team)
16Mulder EAJMVan den Hoek Arno...0-139 ≣E15Ch Netherlands
1Przepiorka Dawid ...Ahues Carl O (GER)0-131 ≣A47
281Vegh Jean-Pierre ...2200Steiner Patrick1-040 ≣A05It (open) \
163Gonzalez Trelles ...Reglero Andres1-033 ≣A47Ch Asturias (team)
273Scherer Stefan (GER)2204Winterkamp Stefan0-133 ≣A10It (open) \
265Castelli GCelestini Mauro (...0-139A17It (open)
596Ivanov Stepan (RUS)2078Fokin Andrey (RUS)1-040 ≣E15Tournament (open)23 Nov 2010
165Nedeljkovic Aleks...2265Champagne P1-035 ≣A05Ch USA (corr.)
261Zivkovic Sava (SRB)2302Chepurnoi Leonid0-134 ≣E15corr.
267Hughes ChrisChinnici G0-127 ≣E15?
257Chambers GilbertKolbert Andrews0-124 ≣E15It (open)
603Nabavi Parwis (SUI)Wienold Thomas1-032 ≣E15Oberliga Baden 20...10 Apr 2011
256Kotenko GTikhonov1-034 ≣E15corr.
255Zelazkowski RDybala R1-039 ≣E15Ch Poland (corr.)
93Edelsvard OlleWikstrom Birger1-034 ≣E15corr.
254Warren BartoldEhrman Carl0-122 ≣E15It (open)
252Eichhorn UlrikeMeissner Christoph0-137 ≣E15Ch JBLN East 1992/93
250Zarzycki WCzarnolewski P0-139 ≣E15Ch Poland (corr.)
249Kanzaveli VitalyRunning Jeffrey1-015 ≣A05It (open)
241Meyer Holger (GER)2330Woestmann Hans Jo...1-033 ≣A05Oberliga Northwes...
235Neme JorgeInchausti Pablo0-122 ≣A05It (open) \
231Van Roosmalen ABrus B1-033 ≣E15corr.