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QGA, 4.Nc3 Notation: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3

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
297Maupin Valerie (FRA)2012Michiels Bart (BEL)24530-126 ≣D24It (open)
186Maurer MarkusGoralski Christia...21450-121 ≣D24VK4 1995/96
200Mchedlishvili Mik...2380Kasrashvili Alexa...20751-023 ≣D02Tournament
229Meiser Markus (GER)2222Rasch Dieter (GER)20421-023 ≣D24Hessenliga 1998/99
326Meurrens Peter (BEL)2228De Bruycker Berna...22111-025 ≣D24Ch Belgium (team)...27 Feb 2005
324Meza Gabriela (ARG)2098Velazquez Gustavo...20911-025 ≣D24It (open)14 Jan 2005
94Miles Anthony J (...2555Wright Anthony1-024 ≣D02It (open)
202Miranda Marcio M ...2295Loureiro Luiz (BRA)23401-022 ≣A06It
345Mirkovic Stevan (...2247Sobic Dragan (MNE)19911-026 ≣A06It (open)19 Mar 2006
469Misiuk KarolinaMisiuk Emilija1-017D24Ch Lithuania (jun...20 Mar 2011
71Molinaroli Martin...2288Hoellmann Ludger ...21421-016 ≣D24Tournament
131Mollov Ergin (BUL)2394Peric Slavisa (SRB)22051-014 ≣D02It (open)
224Molnar Laszlo (HUN)2140Hoang Tri (HUN)21421-022 ≣D24It (sheveningen)
339Morgenstern Petra...2036Bollmann Rolf16031-015 ≣D24It (open) (b)04 Oct 2005
348Mrdak Milomir (SRB)2089Todorovic Milos (...21051-023 ≣D02Cup Belgrade (team)08 Apr 2006
284Mueller Henning (...2055Hemmerling Martin1-017 ≣D02Badisch Verbandsl...
245Mueller Roland (AUT)2101Eibach Guenter1-017 ≣D20Ch Bahn (seniors)
30Munder MKuhler W1-026 ≣D24Tournament
44Muse Mladen (CRO)2443Heinbuch Detlef (...22951-019 ≣D24It (open)
192Nagy Andras (HUN)2266Czebe Attila (HUN)24800-123 ≣D02It (open)
4Najdorf Miguel (POL)2445Souza Mendes Joao1-026 ≣D24Zt
300Narciso Dublan Ma...2487Pages De Garriga ...19481-026 ≣A06It (open)
358Natsidis Christop...2177Malada Vinko (CRO)22200-122 ≣D24It (cat.1)13 Aug 2006
463Nazaryev Sergey (...2276Adamson Garry (RUS)20751-025 ≣D02Memorial M.Chigor...03 Nov 2010
382Nester Igor (UKR)2385Brodowski Piotr (...24250-118 ≣A06Tournament (open)29 Jul 2007
483Nestor Kaarel (EST)2093Beaney Alex1-025 ≣D20Ch British Univer...25 Feb 2012
303Nguyen Dinh Quang...2116Nguyen Cong Thanh...1-019D24Ch Vietnam (junio...16 Jul 2003
230Nguyen Thu Giang ...2118Le T Minh Nhut (VIE)1-025 ≣D02Ch Vietnam (junio...
31Nickoloff Bryon (...2403Morin Glenn1-020 ≣D24Ch Canada (junior...
391Nikolov Mihail (BUL)1841Gorbanovsky Oleg ...17351-017 ≣A46Ch World (juniors...20 Nov 2007
143Nohl HansjoergSeiler Andreas (GER)22521-018 ≣D24It (open)
408Novozhenin Aleksa...2142Romanov Stanislav...19740-19 ≣D02It (open) (b)20 Aug 2008
444Nuskhinov Bair (RUS)2055Erofeev Alexey (RUS)21781-018 ≣D02Cup Saratov RSOCF...19 Jan 2010
333Obodchuk Andrei (...2426Prassas Georgios ...20311-022 ≣D24It (open) \13 Jul 2005
429Obringer Jean-Mar...2049Remille Tristan (...22041-018 ≣D02It (open)30 Apr 2009
187Ogiewka Rafal (POL)2065Fojudzki Tomasz (...21211-025 ≣D24Ch Poland (team) ...
22O'kelly De Galway...2460Davie Alexander M...22801-012 ≣D02It
291Ortega Hermida Da...2396Mengual Bolo Carl...21101-026 ≣D24It (b)
238Ortiz Eduardo (PHI)2358Martinez Rolly (PHI)24111-022D24Ch Philippines
392Pakenham John H1680Gahir Jasdeep (ENG)18551-026 ≣D02Ch England (team)...24 Nov 2007
321Papenin Nikolai (...2391Khamitskiy Sergei...22300-124 ≣D24It (b)
270Paquico Rodriguez...2104Gonzalez Lopez Ma...19151-022 ≣D24Ch Spain (juniors...
21Passier HBund K1-023 ≣D24corr.
473Patino Garcia CarolsCamacho Lina Marc...17591-013 ≣D02Ch Pan-American (...05 Jul 2011
242Paulsen Viktor (NOR)1971Feoktistov Alexey...23590-125 ≣D02It (open)
314Pavlidis Anastasi...2002Nikolarakis Emman...1-018D24Ch Greece (junior...27 Jun 2004
113Pedersen Steffen ...2360Stefansson Hannes...24450-123 ≣D24Cup Arnold
447Pedroso JoseCoelho Nelson1-025D06Tournament (open)16 Apr 2010
34Peev Peicho (BUL)2284Inkiov Ventzislav...24501-025 ≣D24It
191Pelletier Yannick...2465Gruener Adrian (SUI)19481-023 ≣D24It (open) \
353Peralta Fernando ...2574Marquinez Cabreja...21041-021 ≣D24Memorial Narciso ...
360Peters Tobias (BEL)2029Caufriez Olivier ...19141-021 ≣D24Ch Belgium (team)...03 Dec 2006
267Pg Japar Pg OmarbakiAntonio Rogelio J...25190-125 ≣A06It \
440Picart Laurent (FRA)2162Fernandez Clement...16891-022 ≣D24It (open)29 Oct 2009
479Pimenov Revolt (RUS)2179Hayrapetian Ovik ...23981-025 ≣A05Memorial M.Chigor...17 Oct 2011
95Piskov Yury (RUS)2442Grotnes Nils (NOR)21931-024D24It (open)
241Pogorelov Ruslan ...2489Estremera Panos S...23871-010 ≣A06It (open)
373Poluektov Yury (UKR)2327Strygin Alexandr ...17831-026 ≣D02Ch Ukraine (qual)11 May 2007
313Porper Eduard (CAN)2466Wittwer Marcus (SUI)20461-017 ≣D24It (open)14 May 2004
325Portelli Severino...1758Skrinjar Matic (SLO)20900-125 ≣D24It (open) (b)28 Jan 2005
402Pouzet Nolwenn (FRA)2158Ballandras Renaud...16901-019 ≣D24It (open)22 Jul 2008
407Pozzo Sebastian (...1960Petersen Soren Bo...22590-123 ≣D02It (open) \17 Aug 2008
235Privman Boris (USA)2192Kuperstock Alan1-023 ≣D24It (open)
110Quinn Ciaran (IRL)2111Butler Kevin (IRL)20441-021 ≣D24Cup Branagan
1Rahm IlmariRubinstein Akiba ...0-126 ≣D24Olympiad27 Jul 1930
452Rapport Richard (...2523Huschenbeth Nicla...24611-021 ≣D02Cup Mitropa04 Jun 2010
397Ravazzolo Gaia (ITA)1732Rombaldoni Sharon0-125 ≣D02Ch Italy (team) (w)03 May 2008
318Rawski Slawomir (...2278Gawronski Mirosla...21971-025 ≣D02Ch Poland (team) ...08 Sep 2004
120Reddmann Hauke (GER)2338Krallmann Matthia...22700-126 ≣D02It (open)
386Reichenbacher Ger...1899Vedder Richard (NED)22970-118 ≣A06It (open)11 Aug 2007
306Reipschlaeger TomDevendraraj Jeshurun1-021D24Ch Mecklenburg-Vo...
247Rek Krzysztof (POL)2043Tomczak Rafal (POL)22530-125 ≣D02Ch Poland (team) ...
330Repasi Zoltan (HUN)2127Haszon Attila (HUN)18251-011 ≣D24It (open) (b)18 Jun 2005
466Repina Varvara (RUS)2280Chukhlantseva Ann...19331-024 ≣D24It (open) (studen...30 Jan 2011
139Requejo Oswaldo (...2247Galvan Jesus (PER)22261-019 ≣D24It (open)
49Resende Antonio C...2403Rosa Jose Antonio...20581-018 ≣D02Ch Brazil
327Ribicic Mate (CRO)2192Brunski Igor (CRO)21391-025 ≣D24Ch Croatia (team)...16 Apr 2005
221Ricci Marco (ITA)2074Ferrari Guy (FRA)17481-026 ≣D20It (open) (b)
367Rigg Gordon (SCO)2110Masters A0-123D24It (open) (challe...18 Mar 2007
239Ritter Uwe (GER)2198Levin Felix (GER)25310-124 ≣D24It (open)
79Rodewis Thomas (GER)2337Gerlach Th1-023 ≣D24Bundesliga 1988/89
431Rodriguez Mayorga...2068Manrique Fernando...20191-019 ≣D24Ch Colombia (qual)01 May 2009
93Rotstein Arkadij ...2515Bernard Ryszard (...23391-021 ≣A06It (open)
9Ruban Vadim (RUS)2545Veresov Gavriil (...0-121 ≣D24Tournament
320Rube Alexander (RUS)1981Nakhapetiane Pogo...22300-125 ≣D24Ch Privolzhskogo ...
217Saljova Silvie (CZE)2142Jackova Jana (CZE)22050-126 ≣D24Ch Czech Republic...
137Saljova Silvie (CZE)2142Manik Mikulas (SVK)23551-021 ≣D02It (open)
136Saljova Silvie (CZE)2142Chura Jan (CZE)22221-017 ≣A46It (open)
46Salov Valery (RUS)2440Radulov Ivan (BUL)24501-023 ≣D24Memorial A.Kotov
45Salov Valery (RUS)2440Radulov Ivan (BUL)24501-023 ≣D24Memorial A.Kotov
281Sanz Arilla Luis ...2172Baron Rodriguez J...23450-121 ≣D24Cup Zaragoza
150Sarkany Petra (HUN)2020Katona Erzsebet0-124 ≣D02Ch Hungary (juniors)
248Savchenko Stanisl...2579Tkachiev Vladisla...26570-123 ≣A06It
293Schaller SigridKretzer Erika1-026 ≣A05Bundesliga (2nd) ...
307Schmidt PhilippLeddin Mathias (GER)16610-122D02Ch Mecklenburg-Vo...
277Schmitzer Peter (...2093Buecherl Konstant...19910-123 ≣D02Ch City (open)
84SchneiderheinzeLieske T1-023 ≣D24corr.
66Schroer Jonathan ...2359Blankenau Mike P ...22481-017 ≣D24It (open)
294Schulte Ralph (GER)2306Kampshoff Ludger1-025 ≣D02Verbandsklasse A ...
35Schwanek Carlos (...2375Tovillas Daniel R...22821-013 ≣D24Ch Argentina (jun...