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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
13Zita Frantisek (CZE)Foltys Z1-078 ≣E02It
68Zaichik Gennadi (...2457Ivanov Alexander ...20331-052 ≣E02Ch URS (qual)
62Zagorovsky Vladim...Choki1-049 ≣E02Match \
151Yucel Munir (TUR)1984Gunes Murat1-071 ≣E02It (open) \
123Wiertzema Michael...2258Lingnau Carsten (...24250-140E02It (open)
153Wiehagen Juergen ...2102Kilian Ralf (GER)22941-047 ≣E02It (open)
106Vuji Albana (ALB)2070Galliamova Alisa ...23650-141 ≣E02Olympiad
137Vaulin Alexander ...2548Yakovich Yuri (RUS)25881-098 ≣E02Ch Russia
44Van LennepGruenfeld Ernst F...0-156 ≣E02Cup Mitropa
72Van Herck Paul (BEL)1951Schneider Lars-Ak...24300-136 ≣E02Olympiad
127Van Beek Lucien (...2326Barsov Alexei (UZB)25390-140 ≣E02It (open)
35Udovcic Mijo (YUG)2460Gligoric Svetozar...24470-143 ≣E02Ch Yugoslavia
184Tkachiev Vladisla...2632Sokolov Andrei (FRA)25891-042 ≣E02Ch France16 Aug 2010
38Szabados Eugenio ...Porreca Giorgio (...0-144 ≣E02Ch Italy
109Stamenkovic Zoran...2418Todorovic Goran N...23961-016 ≣E02Ch Yugoslavia
74Stach RSnyder Robert M0-125 ≣E02World Tournament ...
19Smyslov Vassily (...2494Kan Ilya A (RUS)1-040 ≣E02Ch URS
71Smyslov Vassily (...2575Qi Jingxuan (CHN)24051-073 ≣E02Olympiad
33Smyslov Vassily (...2494Byvshev Vasily Mi...1-047 ≣E02Memorial M.Chigorin
18Smyslov Vassily (...2494O'kelly De Galway...24601-041 ≣E02It
39Smyslov Vassily (...2494Evans Larry M (USA)24701-065 ≣E02Olympiad
32Smyslov Vassily (...2494Suetin Alexei S (...23271-046 ≣E02Ch URS (1/2 final)
15Simagin Vladimir ...Kotov Alexander A...25001-062 ≣E02Ch Moscow
125Shushpanov Vladim...2340Vujosevic Vladimi...23700-137 ≣E02It (open) \
185Sharevich Anna (BLR)2283Latreche Sabrina ...19511-053 ≣E02Olympiad (w)23 Sep 2010
163Sharevich Anna (BLR)2305Vasilevich Irina ...23890-134 ≣E02Ch World (juniors...16 Nov 2005
178Sharevich Anna (BLR)2316Huerga Leache Mik...24560-141 ≣E02It (open)29 Aug 2009
186Sharevich Anna (BLR)2257Juergens Vera (GER)22851-049 ≣E02Bundesliga 2010/1...09 Jan 2011
30Shamkovich Leonid...2342Zhukhovitsky Samu...23461-037 ≣E02Ch URS (1/2 final)
187Seliverstov Vladi...2362Yaksin Oleg (RUS)24110-130 ≣E02It (open) (students)06 Feb 2011
83Santolini Luigi (...2197Passerotti Pierlu...22520-137 ≣E02Ch Italy
182Rodriguez Melian ...2103Gonzalez Intelang...20721-016 ≣E02It (open)23 Jul 2010
180Robert Bastien (FRA)2058Delorme Axel (FRA)24750-1101 ≣E02Ch France (junior...12 Apr 2010
34Ridout HowardHayes1-067 ≣E02It
88Razuvaev Yuri S (...2510Sokolov Andrei (FRA)25051-035 ≣E02?
89Razuvaev Yuri S (...2510Sokolov Andrei (FRA)25051-035 ≣E02Cup URS
25Ravinsky Grigory ...Bonch-Osmolovsky ...0-146 ≣E02Ch Moscow
26Ravinsky Grigory ...Estrin Yakov B (RUS)24500-139 ≣E02Ch Moscow
75Rasmussen Karsten...2424Lombard Andre (SUI)24000-123 ≣E02Cup Mitropa
126Raffalt Manfred (...2127Hoelzl Franz (AUT)24100-143 ≣E02Ch Austria
77Quinteros Miguel ...2545Andersson Ulf (SWE)25600-148 ≣E02It (cat.11)
16Pruun RudKeres Paul (EST)25800-125 ≣E02Ch Estonia (open)
110Pregal JuanTonnemann Wilhelm0-138 ≣E02Memorial F.Bogaty...
42Porreca Giorgio (...Beni Alfred (AUT)22101-039 ≣E02It
41Porreca Giorgio (...Koch Berthold (GDR)1-047 ≣E02Olympiad16 Aug 1952
49Porreca Giorgio (...Anderson Frank R ...0-155 ≣E02Olympiad15 Sep 1954
31Pfeiffer Gerhard ...Keller Edith1-033 ≣E02It
5Petrov Vladimir M...Makogonov Vladimi...1-033 ≣E02Ch URS
3Petrov Vladimir M...Alekhine Alexande...1-034 ≣E02It
11Petrovs Vladimirs...Sokolsky Alexey (...1-048 ≣E02Tournament
119Petrov Dmitry (RUS)2247Olenin Nikolay (RUS)23850-122 ≣E02Ch Russia (club) ...
159Pavlovic Dragolju...2252Marinkov Svetisla...20441-037 ≣E02It (open)23 Nov 2004
131Palatnik Semon (USA)2489Kwiatkowski Felik...22190-147 ≣E02It (open)
171Pacheco Daniel (ARG)2343Sokolov Andrei (FRA)25590-161 ≣E02It (open)20 Feb 2008
12Opocensky Karel (...Pachman Ludek (GER)22780-128 ≣E02It
142Olafsson Fridrik ...2460Thorsteinsson Bjo...23291-040 ≣E02Memorial J.T.Jons...
86Nogueiras Jesus (...2510Unzicker Wolfgang...24701-039 ≣E02It (cat.9)
103Nogueiras Jesus (...2560Sokolov Andrei (FRA)25951-092 ≣E02It (active)
128Nogly Christoph (...2273Richter Goetz (GER)20991-017 ≣E02It (open)
173Narciso Dublan Ma...2511Casanellas Ruano ...21481-021 ≣E02It (open)
65Najdorf Miguel (POL)2540Rubinetti Jorge (...24100-127 ≣E02It
60Minev Nikolay N (...2370O'kelly De Galway...24600-124 ≣E02Memorial Em.Lasker
138Micuera Vitalijus...Yerofeev Sergey (...23690-125 ≣E02Tournament (ICCF)
145Mester Gyula (HUN)2414Galyas Miklos (HUN)23470-129 ≣E02Ch Hungary (team)...18 Nov 2001
189Martinez Julian (...2185Sanchez Sebastian...21920-127 ≣E02Ch Departamental04 Feb 2012
70Marszalek Rafal (...2200Panchenko Alexand...22940-132 ≣E02It
14Marques Oliveira ...De Souza Mendes J...0-142 ≣E02Ch Brazil (1/2 fi...
188Markus Robert (SRB)2652Palac Mladen (CRO)25921-059 ≣E02It (open) \15 Sep 2011
113Mancini Mario (FRA)2305Dorfman Iossif D ...25950-184 ≣E02Ch France (team)
133Loesch Yvonne (GER)2048Wegener Olaf (GER)23360-133 ≣E02It (open)26 Apr 2000
141Lindberg Bosse (SWE)2247Jakovenko Dmitry ...25360-166 ≣E02Ch World (juniors...
190Lazarev Vladimir ...2442Godart Francois (...23171-040 ≣E02It (open)29 Jul 2012
48Lauberte MildaVoitsikh Nina0-124 ≣E02Ch URS (team)
66Kuligowski Adam (...2430Schneider Lars-Ak...23641-030 ≣E02Ch World (juniors)
179Kudischewitsch Da...2366Neimer Vitaly (ISR)23500-140 ≣E02Memorial L.Slutsk...19 Dec 2009
45Krogius Nikolai V...2485Gusev Nikolay Nik...0-175 ≣E02Tournament
64Kristiansson OThorsteins Karl (...24690-149 ≣E02It
168Kreuzer Helmut (GER)2105Mainka Romuald (GER)24960-129 ≣E02It (open) \07 Sep 2007
73Krantz Kjell (SWE)2305Gisbrecht Ewgeni ...24150-164 ≣E02Ch Europe (team) ...
23Kostakiev Dimitar...2235Ivanov Pavel (RUS)20020-134 ≣E02Ch Bulgaria30 Sep 1948
161Korchnoi Viktor (...2620Berkes Ferenc (HUN)25960-148 ≣E02Memorial Gyorgy M...20 Jun 2005
24Korchnoi Viktor (...2556Levin M1-031 ≣E02Ch URS (qual)
115Korchnoi Viktor (...2635Plachetka Jan (SVK)24401-051 ≣E02Staatsliga 1995/96
57Korchnoi Viktor (...2556Olafsson Fridrik ...24341-043 ≣E02It
52Korchnoi Viktor (...2556Vistinietzki Itzh...22651-057 ≣E02Ch URS (team)
162Kopylov Mihail (UKR)2445Bouroutzakis Geor...21861-022 ≣E02It (open)29 Jul 2005
80KoganKudrin Sergey (USA)24651-071 ≣E02Ch USA
67Koch Berthold (GDR)Goebel Wolfgang (...21300-145 ≣E02Ch BRD (corr.)
36Keres Paul (EST)2580Platz Hans1-025 ≣E02Memorial G.Maroczy
6Keres Paul (EST)2580Bondarevsky Igor ...1-041 ≣E02Ch URS (match-tou...
9Keller Rudolf (SUI)2242Florian Jaromir (...0-192 ≣E02It
21Karastoichev Emil...Naidenov Nikolai1-029 ≣E02Ch Bulgaria07 Sep 1947
91Kaidanov Gregory ...2390Shneider Aleksand...24600-165 ≣E02Ch URS (young mas...
10Junge Klaus (CHI)Keres Paul (EST)25800-132 ≣E02It
116Juhasz Mark (HUN)2193Bako Viktor (HUN)21381-050 ≣E02Memorial Bela Papp
120Jedlicka Ales (CZE)2145Ellers Holger (GER)23050-144 ≣E02It (open) \
102Hulak Krunoslav (...2550Blatny Pavel (CZE)24701-041 ≣E02It (open)
121Hulak Krunoslav (...2545Shariyazdanov And...24701-051 ≣E02Ch Croatia (team)...
101Hulak Krunoslav (...2490Grosar Aljosa (SLO)24081-042 ≣E02?
114Huebner Robert Dr...2605Van Der Sterren P...26051-055 ≣E02It