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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
3Petrov Vladimir M...Alekhine Alexande...1-034 ≣E02It
49Porreca Giorgio (...Anderson Frank R ...0-155 ≣E02Olympiad15 Sep 1954
77Quinteros Miguel ...2545Andersson Ulf (SWE)25600-148 ≣E02It (cat.11)
116Juhasz Mark (HUN)2193Bako Viktor (HUN)21381-050 ≣E02Memorial Bela Papp
29Flohr Salomon M (...Bannik Anatoly (GER)21750-138 ≣E02Ch URS (1/2 final)
28Fuster Geza (CAN)2280Barcza Gedeon (HUN)24350-134 ≣E02Ch Hungary
127Van Beek Lucien (...2326Barsov Alexei (UZB)25390-140 ≣E02It (open)
42Porreca Giorgio (...Beni Alfred (AUT)22101-039 ≣E02It
148Benidze Davit (GEO)2516Berczes David (HUN)22610-143 ≣E02Ch World (juniors...
161Korchnoi Viktor (...2620Berkes Ferenc (HUN)25960-148 ≣E02Memorial Gyorgy M...20 Jun 2005
4Flohr Salomon M (...Bezruchko G1-045 ≣E02It
102Hulak Krunoslav (...2550Blatny Pavel (CZE)24701-041 ≣E02It (open)
25Ravinsky Grigory ...Bonch-Osmolovsky ...0-146 ≣E02Ch Moscow
6Keres Paul (EST)2580Bondarevsky Igor ...1-041 ≣E02Ch URS (match-tou...
162Kopylov Mihail (UKR)2445Bouroutzakis Geor...21861-022 ≣E02It (open)29 Jul 2005
33Smyslov Vassily (...2494Byvshev Vasily Mi...1-047 ≣E02Memorial M.Chigorin
173Narciso Dublan Ma...2511Casanellas Ruano ...21481-021 ≣E02It (open)
62Zagorovsky Vladim...Choki1-049 ≣E02Match \
107Computer \Computer \1-028 ≣E02Ch World (computers)01 Jan 1990
140Computer \Computer \1-054E02Ch Netherlands (c...
37Foguelman Alberto...2310Corte Cesar Juan ...0-154 ≣E02Tournament
180Robert Bastien (FRA)2058Delorme Axel (FRA)24750-1101 ≣E02Ch France (junior...12 Apr 2010
14Marques Oliveira ...De Souza Mendes J...0-142 ≣E02Ch Brazil (1/2 fi...
113Mancini Mario (FRA)2305Dorfman Iossif D ...25950-184 ≣E02Ch France (team)
95Carleson Caspar (...2345Einarsson Arnthor...22381-037 ≣E02Ch Sweden (team) ...
167Grabarczyk Mirosl...2464Ejsmont Krzysztof...24150-128 ≣E02Memorial Tadeusz ...15 Jul 2007
120Jedlicka Ales (CZE)2145Ellers Holger (GER)23050-144 ≣E02It (open) \
26Ravinsky Grigory ...Estrin Yakov B (RUS)24500-139 ≣E02Ch Moscow
27Dunkelblum Arthur...2250Euwe Max (NED)0-132 ≣E02Match \
39Smyslov Vassily (...2494Evans Larry M (USA)24701-065 ≣E02Olympiad
1Flohr Salomon M (...Fairhurst William...23001-039 ≣E02
69Bukhman Eduard (RUS)2370Fedorov Vladislav...22601-043 ≣E02Ch Leningrad
9Keller Rudolf (SUI)2242Florian Jaromir (...0-192 ≣E02It
13Zita Frantisek (CZE)Foltys Z1-078 ≣E02It
53Golz Werner (GER)2410Fuchs Reinhard (GER)23890-152 ≣E02Ch DDR
55Bertok Mario (CRO)2282Fuchs Reinhard (GER)23891-041 ≣E02It
106Vuji Albana (ALB)2070Galliamova Alisa ...23650-141 ≣E02Olympiad
145Mester Gyula (HUN)2414Galyas Miklos (HUN)23470-129 ≣E02Ch Hungary (team)...18 Nov 2001
149Harmon Clark (USA)2162Galyas Miklos (HUN)24380-148 ≣E02It (cat.2)
104Alburt Lev O (USA)2530Gelfand Boris (ISR)25900-150 ≣E02It (open)
73Krantz Kjell (SWE)2305Gisbrecht Ewgeni ...24150-164 ≣E02Ch Europe (team) ...
22Bozic AleksandarGligoric Svetozar...24470-156 ≣E02Ch Yugoslavia
35Udovcic Mijo (YUG)2460Gligoric Svetozar...24470-143 ≣E02Ch Yugoslavia
190Lazarev Vladimir ...2442Godart Francois (...23171-040 ≣E02It (open)29 Jul 2012
67Koch Berthold (GDR)Goebel Wolfgang (...21300-145 ≣E02Ch BRD (corr.)
40Eliskases Erich G...2430Golombek Harry (ENG)23201-035 ≣E02Izt
182Rodriguez Melian ...2103Gonzalez Intelang...20721-016 ≣E02It (open)23 Jul 2010
181Doyle JimGreet Andrew (ENG)24510-178 ≣E02Ch Scotland13 Jul 2010
101Hulak Krunoslav (...2490Grosar Aljosa (SLO)24081-042 ≣E02?
44Van LennepGruenfeld Ernst F...0-156 ≣E02Cup Mitropa
151Yucel Munir (TUR)1984Gunes Murat1-071 ≣E02It (open) \
45Krogius Nikolai V...2485Gusev Nikolay Nik...0-175 ≣E02Tournament
100Bowyer KJHabershon PF21101-036 ≣E02Ch Great Britain ...
34Ridout HowardHayes1-067 ≣E02It
126Raffalt Manfred (...2127Hoelzl Franz (AUT)24100-143 ≣E02Ch Austria
178Sharevich Anna (BLR)2316Huerga Leache Mik...24560-141 ≣E02It (open)29 Aug 2009
68Zaichik Gennadi (...2457Ivanov Alexander ...20331-052 ≣E02Ch URS (qual)
23Kostakiev Dimitar...2235Ivanov Pavel (RUS)20020-134 ≣E02Ch Bulgaria30 Sep 1948
141Lindberg Bosse (SWE)2247Jakovenko Dmitry ...25360-166 ≣E02Ch World (juniors...
158Danelia Mariam (GEO)2259Jalabadze Natia (...20451-048 ≣E02Ch Europe (junior...02 Aug 2004
186Sharevich Anna (BLR)2257Juergens Vera (GER)22851-049 ≣E02Bundesliga 2010/1...09 Jan 2011
19Smyslov Vassily (...2494Kan Ilya A (RUS)1-040 ≣E02Ch URS
155Grapsa Georgia (GRE)2065Kasioura E0-145 ≣E02Ch Greece (team)07 Jul 2004
31Pfeiffer Gerhard ...Keller Edith1-033 ≣E02It
10Junge Klaus (CHI)Keres Paul (EST)25800-132 ≣E02It
16Pruun RudKeres Paul (EST)25800-125 ≣E02Ch Estonia (open)
130Charkhalashvili I...2233Kieran Rosalind (...20831-037 ≣E02Ch Europe (junior...
153Wiehagen Juergen ...2102Kilian Ralf (GER)22941-047 ≣E02It (open)
41Porreca Giorgio (...Koch Berthold (GDR)1-047 ≣E02Olympiad16 Aug 1952
15Simagin Vladimir ...Kotov Alexander A...25001-062 ≣E02Ch Moscow
7Euwe Max (NED)Kramer1-046 ≣E02Match
80KoganKudrin Sergey (USA)24651-071 ≣E02Ch USA
131Palatnik Semon (USA)2489Kwiatkowski Felik...22190-147 ≣E02It (open)
185Sharevich Anna (BLR)2283Latreche Sabrina ...19511-053 ≣E02Olympiad (w)23 Sep 2010
177Grabarczyk Mirosl...2480Lercel Michal (POL)21391-068 ≣E02It (open)20 Jul 2009
24Korchnoi Viktor (...2556Levin M1-031 ≣E02Ch URS (qual)
123Wiertzema Michael...2258Lingnau Carsten (...24250-140E02It (open)
75Rasmussen Karsten...2424Lombard Andre (SUI)24000-123 ≣E02Cup Mitropa
134Bourgeois William...1952Lo Presti Roberto...20981-040 ≣E02Tournament (team) \
168Kreuzer Helmut (GER)2105Mainka Romuald (GER)24960-129 ≣E02It (open) \07 Sep 2007
5Petrov Vladimir M...Makogonov Vladimi...1-033 ≣E02Ch URS
112Baumgartner Walte...2087Maric Mirjana (SRB)22800-125 ≣E02It (open)
159Pavlovic Dragolju...2252Marinkov Svetisla...20441-037 ≣E02It (open)23 Nov 2004
50Donner Jan-Hein (...2430Martin Pedro (ARG)20211-029 ≣E02Ch Club Argentino
105Glenne PMednis Edmar J (USA)24300-162 ≣E02It
156Bely Andrey (UKR)2157Mikhalichenko Vla...22340-145 ≣E02It (open)15 Jul 2004
47Golovko Nikolay (...Mukhitdinov Mamad...1-054 ≣E02Ch URS (team)
132Garcia Gutierrez ...1992Munoz Cebey Ricar...20611-033 ≣E02Ch City (b)
21Karastoichev Emil...Naidenov Nikolai1-029 ≣E02Ch Bulgaria07 Sep 1947
192Goryachkina Aleks...2384Nasybullina Alfia...20761-033 ≣E02Cup Russia (w)25 Sep 2012
179Kudischewitsch Da...2366Neimer Vitaly (ISR)23500-140 ≣E02Memorial L.Slutsk...19 Dec 2009
165Golovlev Nikolay ...2320Nosenko Alexander...25041-071 ≣E02Ch Ukraine (club)24 Apr 2007
93Agzamov Georgy T ...2560Novikov Igor A (USA)24651-041 ≣E02?
18Smyslov Vassily (...2494O'kelly De Galway...24601-041 ≣E02It
60Minev Nikolay N (...2370O'kelly De Galway...24600-124 ≣E02Memorial Em.Lasker
57Korchnoi Viktor (...2556Olafsson Fridrik ...24341-043 ≣E02It
119Petrov Dmitry (RUS)2247Olenin Nikolay (RUS)23850-122 ≣E02Ch Russia (club) ...
96Goldin Alexander ...2390Oll Lembit (EST)24300-126 ≣E02Memorial G.Agzamov
12Opocensky Karel (...Pachman Ludek (GER)22780-128 ≣E02It
56Dimitrov IliaPadevsky Nikola (...23550-142 ≣E02Ch Bulgaria