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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
549Zubkov Vasiliy (RUS)2000Borisov Grigori (...18841-039 ≣E15Ch City18 Mar 2009
458Zpevak Pavel (CZE)2358Strasil Pavel (CZE)21671-024 ≣A46Czech League 2004...10 Apr 2005
482Zpevak Pavel (CZE)2396Bazant Petr Jr (CZE)22821-021 ≣A46It (open)19 Aug 2006
211Zlotnik Boris A (...2433Rozentalis Eduard...25051-034 ≣E15It (open)
261Zivkovic Sava (SRB)2302Chepurnoi Leonid0-134 ≣E15corr.
352Zimmermann Andre ...2099Werner Daniel (GER)21591-029 ≣E15Ch Germany (junio...
307Zerm Alfred (USA)2192Curtin Eugene (IRL)22640-132 ≣E15It (open) \
255Zelazkowski RDybala R1-039 ≣E15Ch Poland (corr.)
592Zatonskih Anna (USA)2480Javakhishvili Lel...24511-031 ≣E15Olympiad (w)27 Sep 2010
250Zarzycki WCzarnolewski P0-139 ≣E15Ch Poland (corr.)
68Zalys IgnasWestra Roelof1-027 ≣A05Match
135Zaltsman Vitaly F...2445McCambridge Vince...22601-037 ≣A05It (open)
121Zaltsman Vitaly F...2440Stean Michael F (...25101-027 ≣A10It (open)
237Zaja Ivan (CRO)2483Susnjar Miroslav ...21990-136 ≣E12Ch Croatia (team)...
140Zabihi AAllen Keith (IRL)21971-033 ≣A05Ch World (juniors...
409Yerofeev Sergey (...2369Melo Olavo (BRS)1-020 ≣A47Tournament (ICCF)
138Wright JohnPeterson George1-032 ≣E15It (corr.)
341Wissemann Andreas...2021Richtscheid Jens1-040 ≣E15It (open)
253Wilhelmi Christia...2439Dabrowska Krystyn...22081-018 ≣A46Ch Germany (junio...
319Wilhelmi Christia...2405Gebigke Martin (GER)21911-039 ≣A05It (open) \
225Wilde MartinNeubert Marcus21201-030E15It (open)
274Wiethaup Moritz (...2134Klemm Dietmar (GER)21950-131 ≣E15It (b)
386Wiebe Patrick (GER)2198Ladermann M1-030 ≣A46Bayern Oberliga N...
184Wheeler Mark (ENG)2295Levitt Jonathan (...23950-136 ≣E15It (open) \
248Weiss Christian (...2402Ciolac Gheorghe (...23230-125 ≣A05It (open)
20Weil HWatzl Leopold1-031 ≣A47Ch City
632Weilguni Johann (...2167Matt Fabian (AUT)22111-031 ≣A46Ch Austria25 Jul 2012
254Warren BartoldEhrman Carl0-122 ≣E15It (open)
368Walaszczyk Witold...2241Jurkiewicz Krzysz...21671-030 ≣A46Ch Poland (team) ...
378Waffenschmidt Joa...2031Kienzler Werner0-136 ≣A46Verbandsliga Bade...28 Nov 1999
531Vul Arkadi Eremee...2351Munksgerd Dennis ...20041-035 ≣A05Cup North Sea (open)13 Jul 2008
552Vrajitoru Vlad-La...Toma Radu-Cristian19790-123 ≣E15Ch Romania (junio...11 Apr 2009
204Voronov AJaderholm Bo (FIN)18790-131 ≣E15Europe Tournament...
516Vorobyev IBelyaev Ilja (UKR)20311-036E15Ch Ukraine (junio...05 Dec 2007
574Vorisek Petr2254Vasicek Martin (CZE)21391-038 ≣A46Czech League 2009...18 Apr 2010
346Voracek Miroslav ...2210Kunin Vitaly (GER)22900-136 ≣E15Ch Europe (junior...
639Volkov Sergey Vik...2579Predke Alexandr (...24911-040 ≣E15Cup R.Nezhmetdino...29 Sep 2012
485Vodicka Pavel (CZE)2082Belousek Michal (...21081-021 ≣A46Czech League 2006...15 Oct 2006
595Vladimirov Evgeny...2623Cao Sang (HUN)25350-137 ≣E15Asian Games (team)23 Nov 2010
503Viswanath Sandily...1954Kojima Shinya (JPN)22170-127 ≣A46It \20 Aug 2007
638Villa Giorgio (ITA)1983Naumkin Igor (RUS)24800-134 ≣A46It (open)28 Sep 2012
6Vidmar Milan Sr (...Colle Edgard (BEL)1-033 ≣A46It
278Vidic B2055Fucak Emilijo (CRO)22420-136 ≣A46It (open)
554Vespe Francesco (...1976Stromboli Ettore ...22721-024 ≣A40It (open)29 May 2009
264Vescovi Giovanni ...2455Van Riemsdijk Her...24200-135 ≣E15Ch Brazil
105Venalainen Unto E...2350Magnusson Bjarni ...18561-034 ≣A05?
281Vegh Jean-Pierre ...2200Steiner Patrick1-040 ≣A05It (open) \
322Vaskin VTakhtarov V1-026 ≣A05Ch Russia (corr.)...
296Vasic Petar (SLO)2129Furlan Miha (SLO)23200-134 ≣A40It (open)
481Varverakis Kostas1800Panagiotakos Niko...20270-136 ≣A05It (open) \19 Aug 2006
41Van Scheltinga Th...2325Golombek Harry (ENG)23201-039 ≣E15Match \12 Sep 1948
231Van Roosmalen ABrus B1-033 ≣E15corr.
208Van Hasselt AHaring0-126 ≣E15corr.
8Vallve JKahn Victor0-137 ≣A47It
94Vaganian Rafael A...2577Lombard Andre (SUI)23501-040 ≣E15Ch Europe (juniors)
586Vaarala Eric (SWE)2131Bortnik Alexandr ...23020-117 ≣A05It (open) \
416Ushenina Anna (UKR)2291Zdebskaja Natalia...22841-026 ≣E15Ch Europe (blitz)...
217Unrath Heiko (GER)2216Roemer Ulrich (GER)22920-138 ≣A46Bundesliga 1990/9...
160Ullrich Farid-Rao...2154Ostermeyer Peter ...24100-139A05Bundesliga 1981/82
64Uhlmann Wolfgang ...2379Koch Berthold (GDR)0-126 ≣E15Ch Germany
69Uhlmann Wolfgang ...2434Safvat Yousof (IRN)1-026 ≣E15Olympiad (sf)02 Sep 1956
487Tzekov Svetozar (...2195Aleksandrov Mitko...20751-033 ≣E00Ch Bulgaria (team...10 Nov 2006
579Tseitline Semen (...2065Spulber Cicirone ...22920-126 ≣E15It (open)02 Jul 2010
15Treybal Karel (CZE)Opocensky Karel (...0-137 ≣E15Ch Czechia
417Tovsanaa Nyamaa (...2281Nguyen Anh Dung (...25300-131 ≣E15Olympiad
435Toth Lili (HUN)2157Zdebskaja Natalia...23210-131 ≣A46Ch World (juniors...
408Tosic Miroslav (SRB)2495Savic Miodrag R (...24640-140 ≣A05Ch Yugoslavia
622Torres MiguelZavarce Oscar0-129 ≣E15Tournament (open)01 Feb 2012
560Tominski Norbert ...1897Diez Gerhard (GER)21130-134A47Memorial Karl Mal...17 Jul 2009
620Tomic Bosko (BIH)2407Blagojevic Marija...21091-036 ≣A15It (open)05 Jan 2012
186Toma Dana (ROM)2064Kaniansky Mirosla...21990-133 ≣A47Memorial Dr. Lang...
228Timman Jan H (NED)2630Ehlvest Jaan (USA)26051-038 ≣E15It (cat.17)
434Thorhallsson Thro...2460Thorfinnsson Bjor...23381-034 ≣A46Ch Iceland
371Thorfinnsson Bjor...2195Vidarsson Jon G (...23520-132 ≣E15Ch Iceland
283Thoma Robert (AUT)2342Schunk Herbert (GER)22211-027 ≣A05It (open)
432Ter Kuile BennoDekker Marvin (AHO)21330-122 ≣A05It (open)
214Taszies Werner (GER)2144Trikaliotis Georg...22471-029 ≣A05It (open)
501Tantsov Petr (RUS)1708Tarasov Igor (RUS)23630-140 ≣E15Memorial K.Tsiolk...03 Aug 2007
113Tal Mikhail N (LAT)2620Bellon Lopez Juan...24151-035 ≣A05It (cat.9)
2Takacs Sandor (HUN)Asztalos Lajos (HUN)0-130 ≣A15It
420Szymanska Maria (...2167Staszewska Anna (...20041-035 ≣E15Ch Poland (team) ...
472Szymanska Maria (...2159Kaunas Kestutis (...23180-140 ≣E15Ch Europe (active)18 Dec 2005
530Szirmai Eduard (HUN)2086Borda Lajos (HUN)21670-132 ≣A05Tournament (Elo) (b)11 Jul 2008
31Szapiro MarekPlater Kazimierz ...1-035 ≣A47Ch Poland08 Aug 1946
30Szapiro MarekSliwa Bogdan (POL)22350-136 ≣A46Ch Poland30 Jul 1946
57Szabo Laszlo (HUN)1903Keres Paul (EST)25801-040 ≣A15Memorial G.Maroczy
26Szabo Laszlo (HUN)1903Denker Arnold S (...22930-139 ≣E15It
58Szabo Laszlo (HUN)1903Platz Hans1-029 ≣A05Memorial G.Maroczy
36Szabo Laszlo (HUN)1903Luckis Marcos22701-039 ≣A05It
321Sylvan Jacob (DEN)2245Petersen Steen (DEN)21401-031 ≣E15It (open) \
527Sverkunov Oleg (RUS)1921Glazkov Arseny (RUS)20300-135 ≣A05Tournament (Elo)23 Jun 2008
233Sutter Oliver (SUI)2354Ballmann Martin (...23691-038 ≣E15It
161Sula Zeqir (ALB)2299Andruet Gilles (FRA)23701-035 ≣A05Olympiad
577Sujkowski Pawel (...1938Lasota Adam (POL)18221-029 ≣A15Ch City01 Jul 2010
616Suhajda Attila (HUN)1921Eltigani Omar (HUN)23100-131 ≣E15Ch Hungary (junio...06 Nov 2011
388Studeny Steffen (...2271Kuraszkiewicz Mic...23091-034 ≣A46Bundesliga 1999/00
313Streich Gerhard (...2167Meyer Stefan (GER)21911-040 ≣A04It (open)
463Straka Zdenek (CZE)2041Dolezal Jiri (CZE)17690-138 ≣A47It (open)
147Stoppel Franz (AUT)2197Titz Heimo (AUT)22021-018 ≣A15Ch Austria
141Stoll Joachim (GER)2230Hartmann Wolfram ...22440-136 ≣A47Bundesliga 1980/81