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Catalan, open, 5.Qa4 Notation: 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7

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
21Karastoichev Emil...Naidenov Nikolai1-029 ≣E02Ch Bulgaria07 Sep 1947
23Kostakiev Dimitar...2235Ivanov Pavel (RUS)20020-134 ≣E02Ch Bulgaria30 Sep 1948
41Porreca Giorgio (...Koch Berthold (GDR)1-047 ≣E02Olympiad16 Aug 1952
49Porreca Giorgio (...Anderson Frank R ...0-155 ≣E02Olympiad15 Sep 1954
107Computer \Computer \1-028 ≣E02Ch World (computers)01 Jan 1990
133Loesch Yvonne (GER)2048Wegener Olaf (GER)23360-133 ≣E02It (open)26 Apr 2000
145Mester Gyula (HUN)2414Galyas Miklos (HUN)23470-129 ≣E02Ch Hungary (team)...18 Nov 2001
146Chernyshov Konsta...2557Szabo Zsolt Jozse...24320-147 ≣E02Cup Tenkes (open)26 Nov 2001
155Grapsa Georgia (GRE)2065Kasioura E0-145 ≣E02Ch Greece (team)07 Jul 2004
156Bely Andrey (UKR)2157Mikhalichenko Vla...22340-145 ≣E02It (open)15 Jul 2004
158Danelia Mariam (GEO)2259Jalabadze Natia (...20451-048 ≣E02Ch Europe (junior...02 Aug 2004
159Pavlovic Dragolju...2252Marinkov Svetisla...20441-037 ≣E02It (open)23 Nov 2004
160Berkes Ferenc (HUN)2596Van Der Stricht G...24011-040 ≣E02Ch France (team) ...06 May 2005
161Korchnoi Viktor (...2620Berkes Ferenc (HUN)25960-148 ≣E02Memorial Gyorgy M...20 Jun 2005
162Kopylov Mihail (UKR)2445Bouroutzakis Geor...21861-022 ≣E02It (open)29 Jul 2005
163Sharevich Anna (BLR)2305Vasilevich Irina ...23890-134 ≣E02Ch World (juniors...16 Nov 2005
165Golovlev Nikolay ...2320Nosenko Alexander...25041-071 ≣E02Ch Ukraine (club)24 Apr 2007
167Grabarczyk Mirosl...2464Ejsmont Krzysztof...24150-128 ≣E02Memorial Tadeusz ...15 Jul 2007
168Kreuzer Helmut (GER)2105Mainka Romuald (GER)24960-129 ≣E02It (open) \07 Sep 2007
171Pacheco Daniel (ARG)2343Sokolov Andrei (FRA)25590-161 ≣E02It (open)20 Feb 2008
175Dushin Nikolay (RUS)2026Yakovich Yuri (RUS)25670-143 ≣E02Memorial M.Chigor...05 Oct 2008
176Grabarczyk Mirosl...2480Yakovich Yuri (RUS)25760-150 ≣E02It (open)06 Jun 2009
177Grabarczyk Mirosl...2480Lercel Michal (POL)21391-068 ≣E02It (open)20 Jul 2009
178Sharevich Anna (BLR)2316Huerga Leache Mik...24560-141 ≣E02It (open)29 Aug 2009
179Kudischewitsch Da...2366Neimer Vitaly (ISR)23500-140 ≣E02Memorial L.Slutsk...19 Dec 2009
180Robert Bastien (FRA)2058Delorme Axel (FRA)24750-1101 ≣E02Ch France (junior...12 Apr 2010
181Doyle JimGreet Andrew (ENG)24510-178 ≣E02Ch Scotland13 Jul 2010
182Rodriguez Melian ...2103Gonzalez Intelang...20721-016 ≣E02It (open)23 Jul 2010
184Tkachiev Vladisla...2632Sokolov Andrei (FRA)25891-042 ≣E02Ch France16 Aug 2010
185Sharevich Anna (BLR)2283Latreche Sabrina ...19511-053 ≣E02Olympiad (w)23 Sep 2010
186Sharevich Anna (BLR)2257Juergens Vera (GER)22851-049 ≣E02Bundesliga 2010/1...09 Jan 2011
187Seliverstov Vladi...2362Yaksin Oleg (RUS)24110-130 ≣E02It (open) (students)06 Feb 2011
188Markus Robert (SRB)2652Palac Mladen (CRO)25921-059 ≣E02It (open) \15 Sep 2011
189Martinez Julian (...2185Sanchez Sebastian...21920-127 ≣E02Ch Departamental04 Feb 2012
190Lazarev Vladimir ...2442Godart Francois (...23171-040 ≣E02It (open)29 Jul 2012
192Goryachkina Aleks...2384Nasybullina Alfia...20761-033 ≣E02Cup Russia (w)25 Sep 2012
14Marques Oliveira ...De Souza Mendes J...0-142 ≣E02Ch Brazil (1/2 fi...
72Van Herck Paul (BEL)1951Schneider Lars-Ak...24300-136 ≣E02Olympiad
57Korchnoi Viktor (...2556Olafsson Fridrik ...24341-043 ≣E02It
5Petrov Vladimir M...Makogonov Vladimi...1-033 ≣E02Ch URS
69Bukhman Eduard (RUS)2370Fedorov Vladislav...22601-043 ≣E02Ch Leningrad
52Korchnoi Viktor (...2556Vistinietzki Itzh...22651-057 ≣E02Ch URS (team)
39Smyslov Vassily (...2494Evans Larry M (USA)24701-065 ≣E02Olympiad
119Petrov Dmitry (RUS)2247Olenin Nikolay (RUS)23850-122 ≣E02Ch Russia (club) ...
3Petrov Vladimir M...Alekhine Alexande...1-034 ≣E02It
7Euwe Max (NED)Kramer1-046 ≣E02Match
10Junge Klaus (CHI)Keres Paul (EST)25800-132 ≣E02It
12Opocensky Karel (...Pachman Ludek (GER)22780-128 ≣E02It
13Zita Frantisek (CZE)Foltys Z1-078 ≣E02It
16Pruun RudKeres Paul (EST)25800-125 ≣E02Ch Estonia (open)
19Smyslov Vassily (...2494Kan Ilya A (RUS)1-040 ≣E02Ch URS
22Bozic AleksandarGligoric Svetozar...24470-156 ≣E02Ch Yugoslavia
24Korchnoi Viktor (...2556Levin M1-031 ≣E02Ch URS (qual)
50Donner Jan-Hein (...2430Martin Pedro (ARG)20211-029 ≣E02Ch Club Argentino
27Dunkelblum Arthur...2250Euwe Max (NED)0-132 ≣E02Match \
29Flohr Salomon M (...Bannik Anatoly (GER)21750-138 ≣E02Ch URS (1/2 final)
30Shamkovich Leonid...2342Zhukhovitsky Samu...23461-037 ≣E02Ch URS (1/2 final)
32Smyslov Vassily (...2494Suetin Alexei S (...23271-046 ≣E02Ch URS (1/2 final)
34Ridout HowardHayes1-067 ≣E02It
35Udovcic Mijo (YUG)2460Gligoric Svetozar...24470-143 ≣E02Ch Yugoslavia
36Keres Paul (EST)2580Platz Hans1-025 ≣E02Memorial G.Maroczy
38Szabados Eugenio ...Porreca Giorgio (...0-144 ≣E02Ch Italy
40Eliskases Erich G...2430Golombek Harry (ENG)23201-035 ≣E02Izt
44Van LennepGruenfeld Ernst F...0-156 ≣E02Cup Mitropa
48Lauberte MildaVoitsikh Nina0-124 ≣E02Ch URS (team)
53Golz Werner (GER)2410Fuchs Reinhard (GER)23890-152 ≣E02Ch DDR
55Bertok Mario (CRO)2282Fuchs Reinhard (GER)23891-041 ≣E02It
56Dimitrov IliaPadevsky Nikola (...23550-142 ≣E02Ch Bulgaria
90Barboza NRiccetto A0-131 ≣E02Ch Uruguay
61Gerber Vladimir (...2146Zurakhov Vladlen ...24150-135 ≣E02Ch Kiev
62Zagorovsky Vladim...Choki1-049 ≣E02Match \
65Najdorf Miguel (POL)2540Rubinetti Jorge (...24100-127 ≣E02It
67Koch Berthold (GDR)Goebel Wolfgang (...21300-145 ≣E02Ch BRD (corr.)
70Marszalek Rafal (...2200Panchenko Alexand...22940-132 ≣E02It
73Krantz Kjell (SWE)2305Gisbrecht Ewgeni ...24150-164 ≣E02Ch Europe (team) ...
74Stach RSnyder Robert M0-125 ≣E02World Tournament ...
76Grahn Lars (SWE)2082Schneider Lars-Ak...24300-126 ≣E02Cup Rilton
77Quinteros Miguel ...2545Andersson Ulf (SWE)25600-148 ≣E02It (cat.11)
80KoganKudrin Sergey (USA)24651-071 ≣E02Ch USA
83Santolini Luigi (...2197Passerotti Pierlu...22520-137 ≣E02Ch Italy
84Akopov Roman (ARM)2256Zamruk Aleksandar...23351-025 ≣E02Ch URS (corr.)
86Nogueiras Jesus (...2510Unzicker Wolfgang...24701-039 ≣E02It (cat.9)
88Razuvaev Yuri S (...2510Sokolov Andrei (FRA)25051-035 ≣E02?
89Razuvaev Yuri S (...2510Sokolov Andrei (FRA)25051-035 ≣E02Cup URS
92Carleson Caspar (...2345Schneider Lars-Ak...24251-022 ≣E02?
64Kristiansson OThorsteins Karl (...24690-149 ≣E02It
95Carleson Caspar (...2345Einarsson Arnthor...22381-037 ≣E02Ch Sweden (team) ...
99Alburt Lev O (USA)2575Ribli Zoltan (HUN)25950-140 ≣E02Izt
101Hulak Krunoslav (...2490Grosar Aljosa (SLO)24081-042 ≣E02?
102Hulak Krunoslav (...2550Blatny Pavel (CZE)24701-041 ≣E02It (open)
103Nogueiras Jesus (...2560Sokolov Andrei (FRA)25951-092 ≣E02It (active)
104Alburt Lev O (USA)2530Gelfand Boris (ISR)25900-150 ≣E02It (open)
112Baumgartner Walte...2087Maric Mirjana (SRB)22800-125 ≣E02It (open)
105Glenne PMednis Edmar J (USA)24300-162 ≣E02It
106Vuji Albana (ALB)2070Galliamova Alisa ...23650-141 ≣E02Olympiad
109Stamenkovic Zoran...2418Todorovic Goran N...23961-016 ≣E02Ch Yugoslavia
110Pregal JuanTonnemann Wilhelm0-138 ≣E02Memorial F.Bogaty...
111Bricard Emmanuel ...2440Steingrimsson Heo...1-043 ≣E02Match \
113Mancini Mario (FRA)2305Dorfman Iossif D ...25950-184 ≣E02Ch France (team)
114Huebner Robert Dr...2605Van Der Sterren P...26051-055 ≣E02It