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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
2Becker Albert (AUT)Podhorzer David0-163 ≣E02Memorial Trebitsch
3Petrov Vladimir M...Alekhine Alexande...1-034 ≣E02It
4Flohr Salomon M (...Bezruchko G1-045 ≣E02It
5Petrov Vladimir M...Makogonov Vladimi...1-033 ≣E02Ch URS
6Keres Paul (EST)2580Bondarevsky Igor ...1-041 ≣E02Ch URS (match-tou...
7Euwe Max (NED)Kramer1-046 ≣E02Match
8Keller Rudolf (SUI)2242Dobias Josef (CZE)1-038 ≣D30It
9Keller Rudolf (SUI)2242Florian Jaromir (...0-192 ≣E02It
10Junge Klaus (CHI)Keres Paul (EST)25800-132 ≣E02It
11Petrovs Vladimirs...Sokolsky Alexey (...1-048 ≣E02Tournament
12Opocensky Karel (...Pachman Ludek (GER)22780-128 ≣E02It
13Zita Frantisek (CZE)Foltys Z1-078 ≣E02It
14Marques Oliveira ...De Souza Mendes J...0-142 ≣E02Ch Brazil (1/2 fi...
15Simagin Vladimir ...Kotov Alexander A...25001-062 ≣E02Ch Moscow
16Pruun RudKeres Paul (EST)25800-125 ≣E02Ch Estonia (open)
17Kudrin VEstrin Yakov (RUS)1-042 ≣A15Tournament (train...
18Smyslov Vassily (...2494O'kelly De Galway...24601-041 ≣E02It
19Smyslov Vassily (...2494Kan Ilya A (RUS)1-040 ≣E02Ch URS
20Zhukhovitsky Samu...2346Vasiliev (RUS)0-133 ≣A15Ch URS (1/2 final)
21Karastoichev Emil...Naidenov Nikolai1-029 ≣E02Ch Bulgaria07 Sep 1947
22Bozic AleksandarGligoric Svetozar...24470-156 ≣E02Ch Yugoslavia
23Kostakiev Dimitar...2235Ivanov Pavel (RUS)20020-134 ≣E02Ch Bulgaria30 Sep 1948
24Korchnoi Viktor (...2556Levin M1-031 ≣E02Ch URS (qual)
25Ravinsky Grigory ...Bonch-Osmolovsky ...0-146 ≣E02Ch Moscow
26Ravinsky Grigory ...Estrin Yakov B (RUS)24500-139 ≣E02Ch Moscow
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)
31Pfeiffer Gerhard ...Keller Edith1-033 ≣E02It
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
37Foguelman Alberto...2310Corte Cesar Juan ...0-154 ≣E02Tournament
38Szabados Eugenio ...Porreca Giorgio (...0-144 ≣E02Ch Italy
39Smyslov Vassily (...2494Evans Larry M (USA)24701-065 ≣E02Olympiad
40Eliskases Erich G...2430Golombek Harry (ENG)23201-035 ≣E02Izt
41Porreca Giorgio (...Koch Berthold (GDR)1-047 ≣E02Olympiad16 Aug 1952
42Porreca Giorgio (...Beni Alfred (AUT)22101-039 ≣E02It
43Szabo Laszlo (HUN)1903Geller Efim P (RUS)24550-159 ≣A15Tournament (candi...
44Van LennepGruenfeld Ernst F...0-156 ≣E02Cup Mitropa
45Krogius Nikolai V...2485Gusev Nikolay Nik...0-175 ≣E02Tournament
46Donner Jan-Hein (...2430Lokvenc Josef (AUT)1-027 ≣A15Zt
47Golovko Nikolay (...Mukhitdinov Mamad...1-054 ≣E02Ch URS (team)
48Lauberte MildaVoitsikh Nina0-124 ≣E02Ch URS (team)
49Porreca Giorgio (...Anderson Frank R ...0-155 ≣E02Olympiad15 Sep 1954
50Donner Jan-Hein (...2430Martin Pedro (ARG)20211-029 ≣E02Ch Club Argentino
51Toran Albero Roma...2445Martin Pedro (ARG)20211-027 ≣A15Ch Club Argentino
52Korchnoi Viktor (...2556Vistinietzki Itzh...22651-057 ≣E02Ch URS (team)
53Golz Werner (GER)2410Fuchs Reinhard (GER)23890-152 ≣E02Ch DDR
54Jaeger WalterDarga Klaus (GER)24530-170 ≣A15Ch BRD
55Bertok Mario (CRO)2282Fuchs Reinhard (GER)23891-041 ≣E02It
56Dimitrov IliaPadevsky Nikola (...23550-142 ≣E02Ch Bulgaria
57Korchnoi Viktor (...2556Olafsson Fridrik ...24341-043 ≣E02It
58Boutteville Cesar...2078Padevsky Nikola (...23550-137 ≣A15Olympiad
59Fuchs Reinhard (GER)2389Wade Robert G (ENG)21481-053 ≣E02Olympiad
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.)
68Zaichik Gennadi (...2457Ivanov Alexander ...20331-052 ≣E02Ch URS (qual)
69Bukhman Eduard (RUS)2370Fedorov Vladislav...22601-043 ≣E02Ch Leningrad
70Marszalek Rafal (...2200Panchenko Alexand...22940-132 ≣E02It
71Smyslov Vassily (...2575Qi Jingxuan (CHN)24051-073 ≣E02Olympiad
72Van Herck Paul (BEL)1951Schneider Lars-Ak...24300-136 ≣E02Olympiad
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
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.
82Agzamov Georgy T ...2530Sturua Zurab (GEO)24400-155 ≣E02Ch URS (1/2 final)
83Santolini Luigi (...2197Passerotti Pierlu...22520-137 ≣E02Ch Italy
84Akopov Roman (ARM)2256Zamruk Aleksandar...23351-025 ≣E02Ch URS (corr.)
85Akopov Roman (ARM)2256Zelinsky Yuri (ISR)21501-038 ≣E02Ch URS (corr.)
86Nogueiras Jesus (...2510Unzicker Wolfgang...24701-039 ≣E02It (cat.9)
87Alburt Lev O (USA)2455Speelman Jonathan...25000-166 ≣A40It
88Razuvaev Yuri S (...2510Sokolov Andrei (FRA)25051-035 ≣E02?
89Razuvaev Yuri S (...2510Sokolov Andrei (FRA)25051-035 ≣E02Cup URS
90Barboza NRiccetto A0-131 ≣E02Ch Uruguay
91Kaidanov Gregory ...2390Shneider Aleksand...24600-165 ≣E02Ch URS (young mas...
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) ...
96Goldin Alexander ...2390Oll Lembit (EST)24300-126 ≣E02Memorial G.Agzamov
97Ruben PascualRoods Scott A (USA)21441-029 ≣D00Ch Asturias (team)
98Hansen Curt (DEN)2550Agdestein Simen (...25650-134 ≣A40Ch World (juniors...
99Alburt Lev O (USA)2575Ribli Zoltan (HUN)25950-140 ≣E02Izt
100Bowyer KJHabershon PF21101-036 ≣E02Ch Great Britain ...