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Catalan, Open, Classical line 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7

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
219Nilssen John Arni...2369Arab Adlane (ALG)22681-070 ≣E06Olympiad
246Noroozi Omid (IRI)2172Ghane Shojaat (IRI)23760-132 ≣A13Ch Iran
343Nyback Tomi (FIN)2639Kanep Meelis (EST)25241-042 ≣E06Match \13 Jan 2008
164Olarasu Gabriela ...2325Moshina Cristina ...21851-045 ≣D30It (w)
229Olsen Heini (FAI)2241Nolsoe Eydun (FAI)22361-034 ≣E06It (cat.4)
180Olsen Heini (FAI)2292Petersen Steen (DEN)21661-030 ≣E04Ch Amager
242Olsson Linus (SWE)2289Vovk Oksana (DEN)21531-034 ≣A40It (open) (juniors)
95Orlov Georgi (USA)2500Smolensky R1-058 ≣A46It (open)
112Orlov Georgi (USA)2479Pupols Viktors (USA)21551-077 ≣E10It
107Orlov Georgi (USA)2479Pupols Viktors (USA)21551-050 ≣D30It \
324Ovchinnikov VitalyIvanova Tatiana (...21280-140 ≣D30Memorial Izmailov...
284Pacheco Daniel (ARG)2297Mieles Palau Dani...24861-048 ≣D30Ch American Conti...09 Aug 2005
85Paldanius Pekka (...2265Nisula Timo (FIN)19641-015 ≣E06Ch Club
235Partys Tatiana (RUS)2042Adarov Arzhan (RUS)22050-137 ≣D02Cup Russia (open)
317Pavlovic Milos_ (...2448Krstic Petar (SRB)23581-019 ≣A05Ch Serbia (qual)23 Jan 2007
377Pedersen Nicolai ...2014Thanarotrung Ratc...17731-052 ≣D02Ch Thailand (open)05 Apr 2009
326Penzel Nils (GER)2062Mamedjarova Zeina...23420-136 ≣D02It \11 Jul 2007
305Perelman Hernan (...2296Coronel Nestor (ARG)17421-026 ≣A46It (open)09 Aug 2006
103Perez Rosales Ped...2129Veiga J1-049 ≣E10Tournament
81Pergericht Daniel...2285Schinis M (CYP)22051-059 ≣E00Ch Europe (team)
406Pertlova Sona (CZE)2199Ikonomopoulou Mar...21601-043 ≣E00Ch Europe (w)07 Mar 2010
371Peschel Andreas (...2147Polushkina Svetla...20641-018 ≣D02NRW Klasse 2 2008/0930 Nov 2008
10Petrosian Tigran ...2580Zeinalli1-052 ≣D02Ch URS (juniors) ...
431Petrov Ivan (RUS)2159Rud Aleksandr1-039 ≣A05Cup Vladivostok (...01 Apr 2011
179Pick Stepan (CZE)2244Voracek Zdenek (CZE)20671-022 ≣A06Czech League 1998...
451Pimenov Revolt (RUS)2179Golovenchits Bori...19671-031 ≣A06Tournament (open) \29 Oct 2011
468Poessel CSchuermann R1-036 ≣D30It (open)22 Aug 2012
373Pogonina Natalija...2501Sukhareva Evgeniy...21821-033 ≣D02It (open) (w)01 Feb 2009
6Poliak Abram (RUS)Verlinsky Boris (...1-053 ≣A15Ch Moscow
320Ponomarenko Vikto...2167Provotorov Ivan (...24010-150 ≣E10Ch Central Region19 Mar 2007
84Popescu T1750Tripa N1-023 ≣E04Ch Romania
412Popov Roman (RUS)2356Kryuchkov Alexand...21121-059 ≣A46Tournament (open)10 Jul 2010
237Porth Dietmar (GER)2274Boguslavsky Oleg ...22991-041 ≣E06Bundesliga (2nd) ...15 Dec 2002
119Pribyl Josef (CZE)2420Pribyl Martin (CZE)23600-161 ≣A40It (cat.4) \
386Prohaszka Peter (...2508Matvienko Ivan (RUS)23041-032 ≣E00Ch Europe (team) ...18 Jul 2009
364Prohaszka Peter (...2502Nyzhnyk Illya (UKR)24440-171 ≣D02Ch Europe (junior...22 Sep 2008
338Prushinin Stanisl...2288Ivanova Tatiana (...21281-027 ≣D30Ch Russia (studen...27 Oct 2007
156Psakhis Lev (ISR)2565Stefansson Hannes...25451-034 ≣E00It (open)
345Pushkin Eduard (RUS)2200Yaksin Oleg (RUS)23451-080 ≣A13Ch PriFO
409Quaranta Cristian...2116Ronconi Fausto (ITA)17481-030 ≣D30Ch Regionale Lomb...28 May 2010
58QuinterosOpl Klaus (AUT)23251-033 ≣A13It (open)
279Ranic Goran (MKD)2049Glavinac Goran (MKD)21790-144 ≣D02Ch Macedonia13 Jul 2005
14Ravinsky Grigory ...Khasin Abram (RUS)23900-146 ≣E04Ch Moscow
27Reefschlaeger Hel...2248Zier Ludwig (GER)22401-015 ≣E04Ch BRD
259Reefschlaeger Hel...Schwicker Francoi...0-141 ≣D30Oberliga Baden 20...07 Mar 2004
426Regorda Vittorio ...1872Moroni Luca Jr (ITA)17361-044 ≣D30Memorial Crespi (...04 Dec 2010
167Reilein Christian...2266Froehlich Peter (...22701-037 ≣A46Bayern Landesliga...
267Riedel Holger Dr ...2284Jonkman Harmen (NED)24170-136 ≣D21It (open)09 Aug 2004
17Rittner Horst R (...Moehring Guenther...22941-049 ≣A05It (b)
113Roeber Bjoern (GER)2312Von Nordheim Thom...21731-030 ≣D02Ch Germany (junio...
137Roeber Bjoern (GER)2210Leinweber Matthias0-168 ≣D00It (open)
71Rogers Ian (AUS)2535Bellini Fabio (ITA)25041-060 ≣D30It (open)
407Rohde Ulrich (GER)2194Scheider Julian (...22200-140 ≣A06NRW-liga 2009/1021 Mar 2010
271Rojas Sotelo Ruben2035Grandi Angel E1-053 ≣D21It (open)09 Nov 2004
443Rojicek Vojtech (...2406Blazeka Djuro (CRO)19001-030 ≣D30It (open)04 Aug 2011
151Rojo Gomez Jorge ...2305Rodriguez Orestes...24250-153 ≣D30Ch Spain (team)
241Roktim Bandyopadh...2345Ravi Thandalam Sh...23811-036 ≣E04Ch India
251Romano Julieta (ARG)1916Menon Daniel (ARG)21061-057 ≣D30Ch Argentina
453Romanova Inna (BLR)2287Andriasian Siranu...22200-177 ≣E10Cup Femida (w)21 Nov 2011
466Romanov Evgeny (RUS)2623Carstensen Jacob ...23521-031 ≣A05It \05 Aug 2012
78Romero Holmes Alf...2430Rodriguez Orestes...24030-157 ≣A46Ch Spain (team)
295Roos Thomas (GER)2249Thomassen Joachim...20591-047 ≣E06It (open)04 Mar 2006
355Ropers Klaus (GER)1887Kasraei Amir Reza...18591-020 ≣D02It (open) (b)03 Jul 2008
178Rossen Claus (DEN)2184Jonkman Harmen (NED)24211-039 ≣D02It (open) \
20Rotstein Efim (GER)2341Levin M1-038 ≣E06Ch Ukraine
328Rumiancev Boris (...2170Kalvaitis Sigitas...22450-144 ≣A40It (open)20 Jul 2007
342Safin Shukhrat (UZB)2510Kulkarni Rakesh (...21461-043 ≣D30It (open)13 Jan 2008
9Sajtar Jaroslav (...Kotov Alexander A...25000-162 ≣E10Match \
5Sajtar Jaroslav (...Hromadka Karel (AUT)0-130 ≣A13It
411Salamon ViktorAscic Robert0-139 ≣D21Ch Croatia (junio...28 Jun 2010
396Sasikiran Krishna...2669L'Ami Erwin (NED)25931-051 ≣E10Cup World (play-off)23 Nov 2009
269Schaefer Michael ...2192Stromboli Ettore ...22070-131 ≣E00It (open)29 Aug 2004
54Scheeren Peter (NED)2455Rodriguez Orestes...24451-077 ≣E04It
105Schell Walter (GER)2150Hofstetter Hans-J...22340-134 ≣E06It (open)
390Schneider Ilja (GER)2508Kammerer Gernot (...21021-025 ≣D30It (open)15 Aug 2009
142Schnelzer ReinhardWohlfart Paulus D...22221-032 ≣A05Hessenliga 1996/97
125Schroeder Wilfrie...2147Breddermann1-048 ≣D02It (open)
222Schulte Juergen (...2128Ries Berthold (GER)20871-041 ≣A45It (open)
403Schulz Stefan (GER)1939Silies Juergen17721-025 ≣D02Verbandsklasse A ...20 Feb 2010
96Seewald PietKramer Haije J (NED)23300-154 ≣E04corr.
26Segal Alexandru S...2145Lins Frank Robert...21641-056 ≣A40Ch Brazil
261Seletsky Grigory ...2300Nyzhnyk Illya (UKR)21190-166 ≣D02Ch Ukraine (1/2 f...04 May 2004
299Semerene Dumit (VEN)2315Pascoal E20711-054 ≣A05Olympiad24 May 2006
460Serna Lara Sergio...2228Serarols Mabras B...19031-061 ≣E10Tournament (open)...27 Apr 2012
4Shainswit George2205Levin Jacob1-050 ≣E06It
439Sharevich Anna (BLR)2257Harmon Luke (USA)22041-025 ≣E06It \04 Jul 2011
385Shirov Alexei (ESP)2732Miller Brian1-047 ≣D30It \11 Jul 2009
25Sideif-Sade Fikre...2381Morgulov Alexsand...23350-141 ≣E04Tournament
7Simagin Vladimir ...Aramanovic I1-070 ≣E10Ch Moscow
227Sirin Atakan (TUR)2255Demirel Tolga (TUR)22020-179 ≣D02It (open) \
68Sirota Anatoli (AUS)2231Kuntschke Leopold...1-018 ≣E10Europe Tournament...
310Skjoldan Benjamin...2188Kiss Judit (HUN)21181-028 ≣D30It (open)20 Oct 2006
302Skrondal Inge S2101Hagen Brede Andre...20131-026 ≣D02Ch Norway (kl. ju...09 Jul 2006
197Smejkal Jan (CZE)2515Kulhanek Tomas (CZE)23521-029 ≣A13It (open)
392Smith Axel (SWE)2377Lovik Lasse Osteb...22961-047 ≣A07Ch Norway (team) ...06 Nov 2009
8Smyslov Vassily (...2494Verlinsky Boris (...1-042 ≣E06Ch Moscow
266Solozhenkin Evgen...2501Bagheri Amir (FRA)24961-063 ≣E06It (open)01 Aug 2004
28Sosonko Gennadi (...2575Filguth Rubens A ...23500-143 ≣E04It (open)
23Spiridonov Nikola...2239Wright Josie H (AUS)20750-184 ≣E06Zt
238Sprenger Jan Mich...2477Kipper Jens (GER)23590-135 ≣A40It (open)