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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
24Korchnoi Viktor (...2556Levin M1-031 ≣E02Ch URS (qual)
177Grabarczyk Mirosl...2480Lercel Michal (POL)21391-068 ≣E02It (open)20 Jul 2009
185Sharevich Anna (BLR)2283Latreche Sabrina ...19511-053 ≣E02Olympiad (w)23 Sep 2010
131Palatnik Semon (USA)2489Kwiatkowski Felik...22190-147 ≣E02It (open)
80KoganKudrin Sergey (USA)24651-071 ≣E02Ch USA
7Euwe Max (NED)Kramer1-046 ≣E02Match
15Simagin Vladimir ...Kotov Alexander A...25001-062 ≣E02Ch Moscow
94Akopov Roman (ARM)2256Korolev A V1-043 ≣D30Ch URS (corr.)
172Moiseenko Alexand...2678Komarov Dimitri (...25301-040 ≣A40It \21 Jul 2008
79Rantanen VeikkoKolu Antti0-127 ≣A15?
41Porreca Giorgio (...Koch Berthold (GDR)1-047 ≣E02Olympiad16 Aug 1952
153Wiehagen Juergen ...2102Kilian Ralf (GER)22941-047 ≣E02It (open)
130Charkhalashvili I...2233Kieran Rosalind (...20831-037 ≣E02Ch Europe (junior...
16Pruun RudKeres Paul (EST)25800-125 ≣E02Ch Estonia (open)
10Junge Klaus (CHI)Keres Paul (EST)25800-132 ≣E02It
31Pfeiffer Gerhard ...Keller Edith1-033 ≣E02It
155Grapsa Georgia (GRE)2065Kasioura E0-145 ≣E02Ch Greece (team)07 Jul 2004
19Smyslov Vassily (...2494Kan Ilya A (RUS)1-040 ≣E02Ch URS
166Doyle Hugh (IRL)1903Kalam A0-134 ≣A40Ch Ireland06 Jul 2007
186Sharevich Anna (BLR)2257Juergens Vera (GER)22851-049 ≣E02Bundesliga 2010/1...09 Jan 2011
124Romero Pino Claud...2247Jauregui Carlos (...22601-053 ≣A13It (open)
158Danelia Mariam (GEO)2259Jalabadze Natia (...20451-048 ≣E02Ch Europe (junior...02 Aug 2004
141Lindberg Bosse (SWE)2247Jakovenko Dmitry ...25360-166 ≣E02Ch World (juniors...
23Kostakiev Dimitar...2235Ivanov Pavel (RUS)20020-134 ≣E02Ch Bulgaria30 Sep 1948
68Zaichik Gennadi (...2457Ivanov Alexander ...20331-052 ≣E02Ch URS (qual)
178Sharevich Anna (BLR)2316Huerga Leache Mik...24560-141 ≣E02It (open)29 Aug 2009
126Raffalt Manfred (...2127Hoelzl Franz (AUT)24100-143 ≣E02Ch Austria
34Ridout HowardHayes1-067 ≣E02It
100Bowyer KJHabershon PF21101-036 ≣E02Ch Great Britain ...
45Krogius Nikolai V...2485Gusev Nikolay Nik...0-175 ≣E02Tournament
151Yucel Munir (TUR)1984Gunes Murat1-071 ≣E02It (open) \
44Van LennepGruenfeld Ernst F...0-156 ≣E02Cup Mitropa
101Hulak Krunoslav (...2490Grosar Aljosa (SLO)24081-042 ≣E02?
181Doyle JimGreet Andrew (ENG)24510-178 ≣E02Ch Scotland13 Jul 2010
182Rodriguez Melian ...2103Gonzalez Intelang...20721-016 ≣E02It (open)23 Jul 2010
40Eliskases Erich G...2430Golombek Harry (ENG)23201-035 ≣E02Izt
67Koch Berthold (GDR)Goebel Wolfgang (...21300-145 ≣E02Ch BRD (corr.)
190Lazarev Vladimir ...2442Godart Francois (...23171-040 ≣E02It (open)29 Jul 2012
191Nikologorskiy Kon...2364Godart Francois (...23171-048 ≣A13Ch Europe (junior...25 Aug 2012
35Udovcic Mijo (YUG)2460Gligoric Svetozar...24470-143 ≣E02Ch Yugoslavia
22Bozic AleksandarGligoric Svetozar...24470-156 ≣E02Ch Yugoslavia
73Krantz Kjell (SWE)2305Gisbrecht Ewgeni ...24150-164 ≣E02Ch Europe (team) ...
43Szabo Laszlo (HUN)1903Geller Efim P (RUS)24550-159 ≣A15Tournament (candi...
104Alburt Lev O (USA)2530Gelfand Boris (ISR)25900-150 ≣E02It (open)
149Harmon Clark (USA)2162Galyas Miklos (HUN)24380-148 ≣E02It (cat.2)
145Mester Gyula (HUN)2414Galyas Miklos (HUN)23470-129 ≣E02Ch Hungary (team)...18 Nov 2001
106Vuji Albana (ALB)2070Galliamova Alisa ...23650-141 ≣E02Olympiad
55Bertok Mario (CRO)2282Fuchs Reinhard (GER)23891-041 ≣E02It
53Golz Werner (GER)2410Fuchs Reinhard (GER)23890-152 ≣E02Ch DDR
108Akopov Roman (ARM)2256Frumson Yury (RUS)22061-059 ≣D30Memorial S.Belave...
135Wiest Georg (GER)2160Froehlich Peter (...24380-130 ≣A15It (open)
13Zita Frantisek (CZE)Foltys Z1-078 ≣E02It
9Keller Rudolf (SUI)2242Florian Jaromir (...0-192 ≣E02It
117Hoffmann JoachimFelser Franz (GER)20510-131 ≣A40Ch Schleswig Hols...
69Bukhman Eduard (RUS)2370Fedorov Vladislav...22601-043 ≣E02Ch Leningrad
1Flohr Salomon M (...Fairhurst William...23001-039 ≣E02
39Smyslov Vassily (...2494Evans Larry M (USA)24701-065 ≣E02Olympiad
27Dunkelblum Arthur...2250Euwe Max (NED)0-132 ≣E02Match \
17Kudrin VEstrin Yakov (RUS)1-042 ≣A15Tournament (train...
26Ravinsky Grigory ...Estrin Yakov B (RUS)24500-139 ≣E02Ch Moscow
120Jedlicka Ales (CZE)2145Ellers Holger (GER)23050-144 ≣E02It (open) \
167Grabarczyk Mirosl...2464Ejsmont Krzysztof...24150-128 ≣E02Memorial Tadeusz ...15 Jul 2007
95Carleson Caspar (...2345Einarsson Arnthor...22381-037 ≣E02Ch Sweden (team) ...
113Mancini Mario (FRA)2305Dorfman Iossif D ...25950-184 ≣E02Ch France (team)
8Keller Rudolf (SUI)2242Dobias Josef (CZE)1-038 ≣D30It
14Marques Oliveira ...De Souza Mendes J...0-142 ≣E02Ch Brazil (1/2 fi...
180Robert Bastien (FRA)2058Delorme Axel (FRA)24750-1101 ≣E02Ch France (junior...12 Apr 2010
54Jaeger WalterDarga Klaus (GER)24530-170 ≣A15Ch BRD
37Foguelman Alberto...2310Corte Cesar Juan ...0-154 ≣E02Tournament
107Computer \Computer \1-028 ≣E02Ch World (computers)01 Jan 1990
140Computer \Computer \1-054E02Ch Netherlands (c...
62Zagorovsky Vladim...Choki1-049 ≣E02Match \
173Narciso Dublan Ma...2511Casanellas Ruano ...21481-021 ≣E02It (open)
33Smyslov Vassily (...2494Byvshev Vasily Mi...1-047 ≣E02Memorial M.Chigorin
162Kopylov Mihail (UKR)2445Bouroutzakis Geor...21861-022 ≣E02It (open)29 Jul 2005
139Tiling Robert HBourgoin Claude1-052 ≣A15Tournament (ICCF)
6Keres Paul (EST)2580Bondarevsky Igor ...1-041 ≣E02Ch URS (match-tou...
25Ravinsky Grigory ...Bonch-Osmolovsky ...0-146 ≣E02Ch Moscow
102Hulak Krunoslav (...2550Blatny Pavel (CZE)24701-041 ≣E02It (open)
122Stockmann Michael...2284Biller Helmut Dr ...21151-041 ≣A45Oberliga 1997/98
4Flohr Salomon M (...Bezruchko G1-045 ≣E02It
161Korchnoi Viktor (...2620Berkes Ferenc (HUN)25960-148 ≣E02Memorial Gyorgy M...20 Jun 2005
148Benidze Davit (GEO)2516Berczes David (HUN)22610-143 ≣E02Ch World (juniors...
42Porreca Giorgio (...Beni Alfred (AUT)22101-039 ≣E02It
127Van Beek Lucien (...2326Barsov Alexei (UZB)25390-140 ≣E02It (open)
28Fuster Geza (CAN)2280Barcza Gedeon (HUN)24350-134 ≣E02Ch Hungary
29Flohr Salomon M (...Bannik Anatoly (GER)21750-138 ≣E02Ch URS (1/2 final)
116Juhasz Mark (HUN)2193Bako Viktor (HUN)21381-050 ≣E02Memorial Bela Papp
143Vaulin Alexander ...2548Anjuhin Alex (RUS)24251-030 ≣A15It (open) \
77Quinteros Miguel ...2545Andersson Ulf (SWE)25600-148 ≣E02It (cat.11)
49Porreca Giorgio (...Anderson Frank R ...0-155 ≣E02Olympiad15 Sep 1954
3Petrov Vladimir M...Alekhine Alexande...1-034 ≣E02It
98Hansen Curt (DEN)2550Agdestein Simen (...25650-134 ≣A40Ch World (juniors...