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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
157De Guzman Ricardo...2407Zilberstein Dmitr...23790-160 ≣D30It (cat.3)26 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
166Doyle Hugh (IRL)1903Kalam A0-134 ≣A40Ch Ireland06 Jul 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
169Tereick Benjamin ...2373Sonntag Hans-Hube...24061-063 ≣A13NRW-liga 2007/0814 Oct 2007
170Gagare Shalmali (...1988Sathya Priya S V ...18881-037 ≣A13Ch Commonwealth10 Dec 2007
171Pacheco Daniel (ARG)2343Sokolov Andrei (FRA)25590-161 ≣E02It (open)20 Feb 2008
172Moiseenko Alexand...2678Komarov Dimitri (...25301-040 ≣A40It \21 Jul 2008
174Srebrnic Vojko (SLO)2209Tonel Giulia (ITA)20071-048 ≣A13It (open)01 Sep 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
183Pechenkin Vladimi...2314Panchanathan Mage...25460-121 ≣A15It (cat.4)28 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
191Nikologorskiy Kon...2364Godart Francois (...23171-048 ≣A13Ch Europe (junior...25 Aug 2012
192Goryachkina Aleks...2384Nasybullina Alfia...20761-033 ≣E02Cup Russia (w)25 Sep 2012
193Baquero Yuri Paol...1780Lo Presti Roberto...20650-119 ≣A40Ch American Conti...14 Oct 2012
50Donner Jan-Hein (...2430Martin Pedro (ARG)20211-029 ≣E02Ch Club Argentino
27Dunkelblum Arthur...2250Euwe Max (NED)0-132 ≣E02Match \
28Fuster Geza (CAN)2280Barcza Gedeon (HUN)24350-134 ≣E02Ch Hungary
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)
33Smyslov Vassily (...2494Byvshev Vasily Mi...1-047 ≣E02Memorial M.Chigorin
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
43Szabo Laszlo (HUN)1903Geller Efim P (RUS)24550-159 ≣A15Tournament (candi...
51Toran Albero Roma...2445Martin Pedro (ARG)20211-027 ≣A15Ch Club Argentino
44Van LennepGruenfeld Ernst F...0-156 ≣E02Cup Mitropa
46Donner Jan-Hein (...2430Lokvenc Josef (AUT)1-027 ≣A15Zt
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
58Boutteville Cesar...2078Padevsky Nikola (...23550-137 ≣A15Olympiad
60Minev Nikolay N (...2370O'kelly De Galway...24600-124 ≣E02Memorial Em.Lasker
61Gerber Vladimir (...2146Zurakhov Vladlen ...24150-135 ≣E02Ch Kiev
62Zagorovsky Vladim...Choki1-049 ≣E02Match \
63Larsen Bent (DEN)2415Padevsky Nikola (...23551-047 ≣A00It
64Kristiansson OThorsteins Karl (...24690-149 ≣E02It
65Najdorf Miguel (POL)2540Rubinetti Jorge (...24100-127 ≣E02It
66Kuligowski Adam (...2430Schneider Lars-Ak...23641-030 ≣E02Ch World (juniors)
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 ...
75Rasmussen Karsten...2424Lombard Andre (SUI)24000-123 ≣E02Cup Mitropa
76Grahn Lars (SWE)2082Schneider Lars-Ak...24300-126 ≣E02Cup Rilton
98Hansen Curt (DEN)2550Agdestein Simen (...25650-134 ≣A40Ch World (juniors...
77Quinteros Miguel ...2545Andersson Ulf (SWE)25600-148 ≣E02It (cat.11)
78Chernin Alexander...2614Malaniuk Vladimir...24960-133 ≣A13Ch URS (1/2 final)
79Rantanen VeikkoKolu Antti0-127 ≣A15?
80KoganKudrin Sergey (USA)24651-071 ≣E02Ch USA
81Nitsche BWolff Carlos (BRA)19861-038 ≣A15corr.
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?
93Agzamov Georgy T ...2560Novikov Igor A (USA)24651-041 ≣E02?
94Akopov Roman (ARM)2256Korolev A V1-043 ≣D30Ch URS (corr.)
95Carleson Caspar (...2345Einarsson Arnthor...22381-037 ≣E02Ch Sweden (team) ...
97Ruben PascualRoods Scott A (USA)21441-029 ≣D00Ch Asturias (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)