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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
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.)
138Wright JohnPeterson George1-032 ≣E15It (corr.)
341Wissemann Andreas...2021Richtscheid Jens1-040 ≣E15It (open)
225Wilde MartinNeubert Marcus21201-030E15It (open)
274Wiethaup Moritz (...2134Klemm Dietmar (GER)21950-131 ≣E15It (b)
184Wheeler Mark (ENG)2295Levitt Jonathan (...23950-136 ≣E15It (open) \
254Warren BartoldEhrman Carl0-122 ≣E15It (open)
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
346Voracek Miroslav ...2210Kunin Vitaly (GER)22900-136 ≣E15Ch Europe (junior...
639Volkov Sergey Vik...2579Predke Alexandr (...24911-040 ≣E15Cup R.Nezhmetdino...29 Sep 2012
595Vladimirov Evgeny...2623Cao Sang (HUN)25350-137 ≣E15Asian Games (team)23 Nov 2010
264Vescovi Giovanni ...2455Van Riemsdijk Her...24200-135 ≣E15Ch Brazil
41Van Scheltinga Th...2325Golombek Harry (ENG)23201-039 ≣E15Match \12 Sep 1948
231Van Roosmalen ABrus B1-033 ≣E15corr.
208Van Hasselt AHaring0-126 ≣E15corr.
94Vaganian Rafael A...2577Lombard Andre (SUI)23501-040 ≣E15Ch Europe (juniors)
416Ushenina Anna (UKR)2291Zdebskaja Natalia...22841-026 ≣E15Ch Europe (blitz)...
64Uhlmann Wolfgang ...2379Koch Berthold (GDR)0-126 ≣E15Ch Germany
69Uhlmann Wolfgang ...2434Safvat Yousof (IRN)1-026 ≣E15Olympiad (sf)02 Sep 1956
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
622Torres MiguelZavarce Oscar0-129 ≣E15Tournament (open)01 Feb 2012
228Timman Jan H (NED)2630Ehlvest Jaan (USA)26051-038 ≣E15It (cat.17)
371Thorfinnsson Bjor...2195Vidarsson Jon G (...23520-132 ≣E15Ch Iceland
501Tantsov Petr (RUS)1708Tarasov Igor (RUS)23630-140 ≣E15Memorial K.Tsiolk...03 Aug 2007
472Szymanska Maria (...2159Kaunas Kestutis (...23180-140 ≣E15Ch Europe (active)18 Dec 2005
420Szymanska Maria (...2167Staszewska Anna (...20041-035 ≣E15Ch Poland (team) ...
26Szabo Laszlo (HUN)1903Denker Arnold S (...22930-139 ≣E15It
321Sylvan Jacob (DEN)2245Petersen Steen (DEN)21401-031 ≣E15It (open) \
233Sutter Oliver (SUI)2354Ballmann Martin (...23691-038 ≣E15It
616Suhajda Attila (HUN)1921Eltigani Omar (HUN)23100-131 ≣E15Ch Hungary (junio...06 Nov 2011
370Stolfa Rodolfo (ITA)1812Loviscek Matjaz (...20310-131 ≣E15It (open)
144Stigar Petter (NOR)2298Danielsen Henrik ...25430-132 ≣E15Ch Denmark (juniors)
602Stepanov Alexande...2159Ibrahimov Rasul (...25320-129 ≣E15It (cat.5)28 Mar 2011
21Steiner Lajos (HUN)Goldstein Maurice...1-036 ≣E15Ch NSW (play-off)
148Sosonko Gennadi (...2585Seirawan Yasser (...25651-024 ≣E15It
40Shocron Ruben (USA)2259Fuentes Juan Manuel1-038 ≣E15Match \
355Seres Lajos (HUN)2395Nguyen Anh Dung (...24840-135 ≣E15It (cat.8)
130Segal Alexandru S...2395Rocha Antonio (BRA)23001-039 ≣E15Ch Brazil
45Schindler JosefPfeiffer Gerhard ...0-129 ≣E15Ch BRD
196Savchenko Stanisl...2480Frolov Artur (UKR)24991-033 ≣E15Ch Ukraine
466Sarivan Mircea (MDA)2150Hamitevici Vladim...22840-140 ≣E15Cup ULIM (open)10 Oct 2005
353Sanz Arilla Luis ...2254Ariste Justo Jesu...18781-029 ≣E15Memorial Dr. Rey ...
216Sandkamp Ralph (GER)2307Schlenga Klaus0-127 ≣E15Bundesliga 1989/90
573Sanchez Criado Ll...2176Tortosa Moros Joa...18351-028 ≣E15Tournament \13 Apr 2010
427Samardzija Zeljko...1943Aksentijevic Mali...22190-138 ≣E15It (open) \
389Salzmann Peter (GER)2214Eckhardt Claudia ...21530-127 ≣E15Oberliga East A 1...
28Sajtar Jaroslav (...Vymetal Vaclav (CZE)1-027 ≣E15Memorial Dobrusky...22 Jan 1946
282Ruzele Darius (LTU)2495Butnorius Algiman...24500-138 ≣E15Ch Lithuania
245Rutman Aleksandr ...2198Vifian Heinz (SUI)19701-036 ≣E15It (open)
440Ruiz Garcia Jose ...2117Moya Albadalejo J...19791-037 ≣E15Ch Murcia
470Ruether Rudolf (GER)2188Leitner Maximilia...22550-138 ≣E15Bayern Landesliga...13 Nov 2005
392Royer Oto InacioBrodda Wolfgang0-132 ≣E15corr. ICCF
19Rossetto Hector (...2285Stahlberg Gideon ...0-136 ≣E15It
203Roldan CarlosCembran Ezio1-035 ≣E15corr.
318Rodriguez Uria Ju...2272Nachon Menendez G...21321-028 ≣E15Ch Asturias (team...
385Riedner Martin (AUT)2199Schmidt Jade (GER)20981-036 ≣E15It (open)
176Rickers GerhardEngqvist Thomas (...23531-031 ≣E15Cup Baltic (corr.)
5Reti Richard (CZE)Landau Salo (POL)1-037 ≣E15Match
588Renteria Jorge (COL)2266Gutierrez Olivare...21751-035 ≣E15Ch Spain (team) (...07 Aug 2010
215Ramas CPalmer Tony (USA)22170-139 ≣E15It (open)
633Rakic Teodora (SRB)1851Zarkovic Mila (SRB)19960-134 ≣E15Ch Serbia (junior...30 Jul 2012
124Raivio Yrjo (FIN)2067Jensen Rene (DEN)22951-025 ≣E15Ch Denmark (juniors)
123Raivio Yrjo (FIN)2067Fly Bjarne1-023 ≣E15Ch Denmark (juniors)
61Ragozin Viachesla...Cherepkov Alexand...23951-032 ≣E15Ch URS (1/2 final)
422Qendro Llambi (ALB)2364Valenti Giuseppe ...22301-030 ≣E15It \
521Primbetov K (KAZ)2220Kabyshev A1-024 ≣E15Ch City26 Feb 2008
608Prachar Josef (CZE)1888Svec Ludek (CZE)17061-031 ≣E15It (open)09 May 2011
455Popic Simeon (SRB)2089Pavlovic Dragolju...22520-140 ≣E15It (open)26 Nov 2004
125Polugaevsky Lev A...2620Ree Hans (NED)25001-040 ≣E15Olympiad (telechess)
377Piscopo Pierluigi...2039Laketic Gojko (SRB)24180-132 ≣E15Tournament (open)
35Pirc Vasja (YUG)Golombek Harry (ENG)23201-031 ≣E15It \
342Pilchin Mikhail (...Lukuanenko Sergei...22170-132 ≣E15Ch City
262Pfeffer Ruprecht ...2261Lankenau Christia...21251-023 ≣E15Ch Germany (junio...
400Petran Pal (HUN)2372Desmarais Chris (...21511-022 ≣E15It (a)
629Perhinig Robert (...2237Bedouin Xavier (FRA)24020-136 ≣E15It (open)15 Jun 2012
356Perez Juan M (CUB)2239Sabater A1-039 ≣E15Ch Spain (team) (...
289Pavlov Aleksandr ...2240Sigitov V1-026 ≣E15Ch Russia (team)
543Pavlidis Anastasi...2348Stathopoulos Ioan...19091-023 ≣E15Ch Greece (junior...05 Jan 2009
399Pantsulaia Levan ...2375Charkhalashvili I...23191-038 ≣E15It (open)
323Pankratov Valery ...Guinsburg Marcelo...1-032 ≣E15Memorial Pelikan ...
424Osterberg HugoDiesen Bruce (NOR)22560-133 ≣E15Ch Norway (team) ...
412Oppezzo Sebastian...2177Urbieta Osvaldo0-134 ≣E15Tournament
87Olivera AlfredoVillarroel Geber ...22901-027 ≣E15Olympiad
185Nikolic Predrag (...2620Hjartarson Johann...25501-028 ≣E15It \
498Nguyen Thien Viet...2321Le Quang Liem (VIE)25340-137 ≣E15Ch Vietnam07 Apr 2007
340Nauschuetz Ernst ...1916Werner Daniel (GER)21590-134 ≣E15It (open)
73Najdorf Miguel (POL)2445Reshevsky Samuel ...24300-139 ≣E15It
44Najdorf Miguel (POL)2445Kottnauer Cenek (...23701-036 ≣E15It
603Nabavi Parwis (SUI)Wienold Thomas1-032 ≣E15Oberliga Baden 20...10 Apr 2011