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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
1Flohr Salomon M (...Fairhurst William...23001-039 ≣E02
46Donner Jan-Hein (...2430Lokvenc Josef (AUT)1-027 ≣A15Zt
74Stach RSnyder Robert M0-125 ≣E02World Tournament ...
17Kudrin VEstrin Yakov (RUS)1-042 ≣A15Tournament (train...
134Bourgeois William...1952Lo Presti Roberto...20981-040 ≣E02Tournament (team) \
138Micuera Vitalijus...Yerofeev Sergey (...23690-125 ≣E02Tournament (ICCF)
139Tiling Robert HBourgoin Claude1-052 ≣A15Tournament (ICCF)
43Szabo Laszlo (HUN)1903Geller Efim P (RUS)24550-159 ≣A15Tournament (candi...
45Krogius Nikolai V...2485Gusev Nikolay Nik...0-175 ≣E02Tournament
37Foguelman Alberto...2310Corte Cesar Juan ...0-154 ≣E02Tournament
11Petrovs Vladimirs...Sokolsky Alexey (...1-048 ≣E02Tournament
115Korchnoi Viktor (...2635Plachetka Jan (SVK)24401-051 ≣E02Staatsliga 1995/96
185Sharevich Anna (BLR)2283Latreche Sabrina ...19511-053 ≣E02Olympiad (w)23 Sep 2010
49Porreca Giorgio (...Anderson Frank R ...0-155 ≣E02Olympiad15 Sep 1954
71Smyslov Vassily (...2575Qi Jingxuan (CHN)24051-073 ≣E02Olympiad
58Boutteville Cesar...2078Padevsky Nikola (...23550-137 ≣A15Olympiad
41Porreca Giorgio (...Koch Berthold (GDR)1-047 ≣E02Olympiad16 Aug 1952
106Vuji Albana (ALB)2070Galliamova Alisa ...23650-141 ≣E02Olympiad
39Smyslov Vassily (...2494Evans Larry M (USA)24701-065 ≣E02Olympiad
59Fuchs Reinhard (GER)2389Wade Robert G (ENG)21481-053 ≣E02Olympiad
72Van Herck Paul (BEL)1951Schneider Lars-Ak...24300-136 ≣E02Olympiad
122Stockmann Michael...2284Biller Helmut Dr ...21151-041 ≣A45Oberliga 1997/98
169Tereick Benjamin ...2373Sonntag Hans-Hube...24061-063 ≣A13NRW-liga 2007/0814 Oct 2007
2Becker Albert (AUT)Podhorzer David0-163 ≣E02Memorial Trebitsch
167Grabarczyk Mirosl...2464Ejsmont Krzysztof...24150-128 ≣E02Memorial Tadeusz ...15 Jul 2007
108Akopov Roman (ARM)2256Frumson Yury (RUS)22061-059 ≣D30Memorial S.Belave...
175Dushin Nikolay (RUS)2026Yakovich Yuri (RUS)25670-143 ≣E02Memorial M.Chigor...05 Oct 2008
33Smyslov Vassily (...2494Byvshev Vasily Mi...1-047 ≣E02Memorial M.Chigorin
179Kudischewitsch Da...2366Neimer Vitaly (ISR)23500-140 ≣E02Memorial L.Slutsk...19 Dec 2009
142Olafsson Fridrik ...2460Thorsteinsson Bjo...23291-040 ≣E02Memorial J.T.Jons...
161Korchnoi Viktor (...2620Berkes Ferenc (HUN)25960-148 ≣E02Memorial Gyorgy M...20 Jun 2005
36Keres Paul (EST)2580Platz Hans1-025 ≣E02Memorial G.Maroczy
96Goldin Alexander ...2390Oll Lembit (EST)24300-126 ≣E02Memorial G.Agzamov
110Pregal JuanTonnemann Wilhelm0-138 ≣E02Memorial F.Bogaty...
60Minev Nikolay N (...2370O'kelly De Galway...24600-124 ≣E02Memorial Em.Lasker
116Juhasz Mark (HUN)2193Bako Viktor (HUN)21381-050 ≣E02Memorial Bela Papp
27Dunkelblum Arthur...2250Euwe Max (NED)0-132 ≣E02Match \
111Bricard Emmanuel ...2440Steingrimsson Heo...1-043 ≣E02Match \
62Zagorovsky Vladim...Choki1-049 ≣E02Match \
7Euwe Max (NED)Kramer1-046 ≣E02Match
99Alburt Lev O (USA)2575Ribli Zoltan (HUN)25950-140 ≣E02Izt
40Eliskases Erich G...2430Golombek Harry (ENG)23201-035 ≣E02Izt
147Bojkovic Natasa (...2422Roumegous Marina ...22151-082 ≣A13It (w)
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
125Shushpanov Vladim...2340Vujosevic Vladimi...23700-137 ≣E02It (open) \
151Yucel Munir (TUR)1984Gunes Murat1-071 ≣E02It (open) \
143Vaulin Alexander ...2548Anjuhin Alex (RUS)24251-030 ≣A15It (open) \
168Kreuzer Helmut (GER)2105Mainka Romuald (GER)24960-129 ≣E02It (open) \07 Sep 2007
120Jedlicka Ales (CZE)2145Ellers Holger (GER)23050-144 ≣E02It (open) \
144Garber VjatcheslavMeijers Viesturs ...24650-151 ≣A13It (open)
129Schmitt Michael (...2153Naiditsch Arkadij...24490-136 ≣A15It (open)
177Grabarczyk Mirosl...2480Lercel Michal (POL)21391-068 ≣E02It (open)20 Jul 2009
128Nogly Christoph (...2273Richter Goetz (GER)20991-017 ≣E02It (open)
173Narciso Dublan Ma...2511Casanellas Ruano ...21481-021 ≣E02It (open)
123Wiertzema Michael...2258Lingnau Carsten (...24250-140E02It (open)
152Anka Emil (HUN)2435Roiz Michael (ISR)25601-016 ≣E02It (open)
190Lazarev Vladimir ...2442Godart Francois (...23171-040 ≣E02It (open)29 Jul 2012
133Loesch Yvonne (GER)2048Wegener Olaf (GER)23360-133 ≣E02It (open)26 Apr 2000
176Grabarczyk Mirosl...2480Yakovich Yuri (RUS)25760-150 ≣E02It (open)06 Jun 2009
171Pacheco Daniel (ARG)2343Sokolov Andrei (FRA)25590-161 ≣E02It (open)20 Feb 2008
156Bely Andrey (UKR)2157Mikhalichenko Vla...22340-145 ≣E02It (open)15 Jul 2004
131Palatnik Semon (USA)2489Kwiatkowski Felik...22190-147 ≣E02It (open)
102Hulak Krunoslav (...2550Blatny Pavel (CZE)24701-041 ≣E02It (open)
124Romero Pino Claud...2247Jauregui Carlos (...22601-053 ≣A13It (open)
178Sharevich Anna (BLR)2316Huerga Leache Mik...24560-141 ≣E02It (open)29 Aug 2009
104Alburt Lev O (USA)2530Gelfand Boris (ISR)25900-150 ≣E02It (open)
162Kopylov Mihail (UKR)2445Bouroutzakis Geor...21861-022 ≣E02It (open)29 Jul 2005
159Pavlovic Dragolju...2252Marinkov Svetisla...20441-037 ≣E02It (open)23 Nov 2004
153Wiehagen Juergen ...2102Kilian Ralf (GER)22941-047 ≣E02It (open)
112Baumgartner Walte...2087Maric Mirjana (SRB)22800-125 ≣E02It (open)
127Van Beek Lucien (...2326Barsov Alexei (UZB)25390-140 ≣E02It (open)
174Srebrnic Vojko (SLO)2209Tonel Giulia (ITA)20071-048 ≣A13It (open)01 Sep 2008
136Sarwinski Mirosla...2364Szymanska Maria (...21701-073 ≣A40It (open)
182Rodriguez Melian ...2103Gonzalez Intelang...20721-016 ≣E02It (open)23 Jul 2010
135Wiest Georg (GER)2160Froehlich Peter (...24380-130 ≣A15It (open)
118Chu ChristopherTaylor Gordon (CAN)23200-144 ≣E02It (open)
86Nogueiras Jesus (...2510Unzicker Wolfgang...24701-039 ≣E02It (cat.9)
183Pechenkin Vladimi...2314Panchanathan Mage...25460-121 ≣A15It (cat.4)28 Jul 2010
157De Guzman Ricardo...2407Zilberstein Dmitr...23790-160 ≣D30It (cat.3)26 Jul 2004
149Harmon Clark (USA)2162Galyas Miklos (HUN)24380-148 ≣E02It (cat.2)
77Quinteros Miguel ...2545Andersson Ulf (SWE)25600-148 ≣E02It (cat.11)
103Nogueiras Jesus (...2560Sokolov Andrei (FRA)25951-092 ≣E02It (active)
172Moiseenko Alexand...2678Komarov Dimitri (...25301-040 ≣A40It \21 Jul 2008
87Alburt Lev O (USA)2455Speelman Jonathan...25000-166 ≣A40It
8Keller Rudolf (SUI)2242Dobias Josef (CZE)1-038 ≣D30It
18Smyslov Vassily (...2494O'kelly De Galway...24601-041 ≣E02It
31Pfeiffer Gerhard ...Keller Edith1-033 ≣E02It
42Porreca Giorgio (...Beni Alfred (AUT)22101-039 ≣E02It
57Korchnoi Viktor (...2556Olafsson Fridrik ...24341-043 ≣E02It
3Petrov Vladimir M...Alekhine Alexande...1-034 ≣E02It
9Keller Rudolf (SUI)2242Florian Jaromir (...0-192 ≣E02It
10Junge Klaus (CHI)Keres Paul (EST)25800-132 ≣E02It
12Opocensky Karel (...Pachman Ludek (GER)22780-128 ≣E02It
13Zita Frantisek (CZE)Foltys Z1-078 ≣E02It
34Ridout HowardHayes1-067 ≣E02It
55Bertok Mario (CRO)2282Fuchs Reinhard (GER)23891-041 ≣E02It
4Flohr Salomon M (...Bezruchko G1-045 ≣E02It
63Larsen Bent (DEN)2415Padevsky Nikola (...23551-047 ≣A00It
64Kristiansson OThorsteins Karl (...24690-149 ≣E02It