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QGA, 4.e3 Notation: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4

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
291Van Veelen Jouke1801Slagter Jonathan14001-020 ≣D25Ch Netherlands (o...11 Aug 2010
66Templin Klaus-Die...2098Castellano Luis15001-029 ≣D25It (open)
208Mueller Reinhard ...2023Segeritz Philipp15721-030 ≣D25Ch Germany (junio...30 Dec 2004
200Cuevas Yanez JoseRedondo Arguelles...16301-021 ≣D25Ch Asturias (team...13 Dec 2003
197Suto Gabor (HUN)2276Haszon David (HUN)16951-030 ≣D25It (open)
219Hoedtke Joern (GER)1814Rodig Claus (GER)17361-027 ≣D25It (open)
207Wiessner Johann (...1875Michalko Matej (SVK)17521-029D25It (open)18 Nov 2004
185Dobai Szabolcs (HUN)2099Karolyfalvi Janos...17671-020 ≣D25It (open) (b)16 Jul 2002
206Ajupov Damir (RUS)2314Kosov Igor (RUS)17691-028 ≣D25Memorial M.Chigor...16 Oct 2004
86Delcros ASlavkovic Vitomir...17890-125 ≣D25It (open)
250Souza Marcos Vale...2171Santos Eriberto N...17931-025 ≣D25Tournament (open)21 Mar 2008
318Ponomarev Ilya2066Shestakov Alexey18061-018 ≣D25Memorial Sukharev...18 Jul 2012
173Rossi Giampiero (...2097Pede Lucio (ITA)18301-026 ≣D25Ch Provinciale CO02 Feb 2001
202Rusan Olga (RUS)Adamova Tuyara (RUS)18340-125 ≣D25Ch Russia (junior...
298Arceri Paolo1464Russo Roberto (ITA)18510-121 ≣D25Memorial Salvator...13 Jan 2011
304Collier David (ENG)2100Wagner Guy (WLS)18851-011 ≣D25Ch England (team)...30 Apr 2011
294Alba Tarradelles ...1908Farre Regada Juli...18920-123 ≣D25Ch Provincial
204Alcon Herrero Jav...2046Torcal Andolz Alf...19100-128 ≣D25Memorial Rey Ardi...12 Apr 2004
127Summermatter Dani...2320Fux Anton (SUI)19481-028 ≣D25It (open) \
52Rauer HWurster Axel19600-122 ≣D25Regionalliga Nord
226Pipala Janusz (POL)2036Zarow Zdzislaw (POL)19601-022 ≣D25Tournament (open)27 Aug 2006
227Palotas Peter (HUN)1836Schuetz Peter (SVK)19650-122 ≣D25Tournament (Elo) (b)09 Sep 2006
58De Heer H (NED)Dissel Henk (NED)19781-027 ≣D25corr.
18Geller Efim P (RUS)2455Schroeder Raymond...20011-015 ≣D25It
240Nordli Anders Sam...Lindsoe Fredrik-A...20010-127 ≣D25It (open) \12 Aug 2007
230Petrekanovic Miro...2094Trbovic Bogdan (SRB)20101-023 ≣D25It (open)27 Dec 2006
26Keller EdithWinter Irene (GER)20111-029 ≣D25Zt (w)
154Kovar Jan (CZE)2160Palkova Katerina ...20141-026D25It (open) (junior...
167Hausmann Hans-Ulr...1950Lau Wolfgang (GER)20190-117 ≣D25Ch City (seniors)
107Mester Gyula (HUN)2340Husek Zdenek (SVK)20331-029 ≣D25Ch Hungary (team)
56Priehoda Vitezsla...2388Husek Zdenek (SVK)20331-030 ≣D25Ch Slovakia
139Hummel Patrick (USA)2240Stevens Lawrence ...20401-030 ≣D25It (open) \
45Henttinen Markku ...2270Aagaard Michael (...20440-112 ≣D25Ch Denmark (juniors)
47Townsend M Paul (...2253Seidel Juergen (GER)20561-029 ≣D25It (open)
176Oberhofer Max (GER)2214Neubauer Ralf Dr ...20561-028 ≣D25It (open)
87Hansen JanStangeland Karle ...20570-125 ≣D25It (open)
289Dworakowska Joann...2315Osmanodja Filiz (...20591-028 ≣D25It (w)10 Jul 2010
271Andrejic Vladica ...2234Simic Vladica (SRB)20761-025 ≣D25Ch Europe10 Mar 2009
290Chernyadev VadimIvanov Vladimir A...20770-121 ≣D25Cup Corporation \23 Jul 2010
243Rykov M1979Solovyov Sergey V...20830-130 ≣D25Ch Region (1/2 fi...09 Oct 2007
300Quintiliano Renat...2172Barbosa Fernando ...20851-018 ≣D25Tournament (Gr.A)
70Jasnikowski Zbign...2376Kekki Jorma (FIN)21001-028 ≣D25It (open)
244Rubio Nevado Pedr...2100Draghici Gavril (...21060-129 ≣D25Ch Spain (team) \19 Nov 2007
13Lilienthal Andor ...2385Gurgenidze Bukhut...21081-029 ≣D25Ch \
132Khusnutdinova Lui...2230Javakhishvili Lel...21100-117 ≣D25Ch Europe (junior...
182Kort Jacob (NED)2225Schmitz Manuela (...21111-030 ≣D25It (open)
171Khanov Vjacheslav...2262Pastushkov Mikhai...21111-028 ≣D25Ch Tula Region (o...
220Lazaridis Har (GRE)2124Pantazopoulos Sta...21161-021 ≣D25Ch Greece (junior...05 Jan 2006
152Philippe Denis (BEL)2019Barlow Bertrand (...21160-125D25It (cat.1)
48Skembris Spyridon...2463Stamatopoulos Ioa...21311-024 ≣D25?
286Zavadil Michal (CZE)2143Mlensky Dalibor (...21320-129 ≣D25Czech League 2009...22 Mar 2010
102Malzacher WolfgangLipecki Alexander...21380-129 ≣D25It (open)
309Cech Pavel (CZE)2369Chalupa Ivan (CZE)21391-027 ≣D25Ch Czech Republic...15 Jul 2011
29Ghitescu Theodor ...2384Kovacs Zoltan (HUN)21461-022 ≣D25?
69Lindestrom Torste...2215Pedersen Jacob Ba...21520-119 ≣D25Ch Denmark (qual)
137Solomon Kenny (RSA)2215Alberto Manuel (ANG)21551-024 ≣D25Zt
120ScavoCristiani Cesare ...21580-120 ≣D25It (open)
147Volak Michal (CZE)2187Ptak Pavel (CZE)21601-022 ≣D25Czech League (2nd)
224Loktiev Ivan (RUS)2365Feller Joseph (LUX)21740-122 ≣D25Ch Europe (seniors)08 Aug 2006
35Goldsmith Alan (AUS)2216Hill Robin (AUS)21751-029 ≣D25Ch Australia28 Dec 1971
282Kistella Roman (GER)2361Heimsoth Holger (...21761-024 ≣D25NRW-liga 2009/1010 Jan 2010
145Deglmann Ludwig (...2327Schmitz Andreas A...21821-021 ≣D25It (open)
40Portisch Ferenc (...2342Kovacevic Damir22001-023 ≣D25It
279Leitao Rafael (BRA)2610Galati Mario Augu...22061-028 ≣D25It (open) \07 Sep 2009
297Gureev Dmitry (RUS)2117Kasyanov Andrey (...22091-023 ≣D25Tournament (open) \03 Jan 2011
51Dobosz Henryk (POL)2360Pedersen Hans Dah...22121-015 ≣D25It (b)
83Rodenas Sanches AKnudsen John22150-119 ≣D25World Tournament ...
166Sokolov Ivan (NED)2611Van Veen Oscar (NED)22161-022 ≣D25It (open)
238Stala Grzegorz (POL)1993Smirnov Alexander...22180-119 ≣D25It (open)14 Jun 2007
122Kaminik Aleksanda...2280Wadsack Wolfgang ...22251-027 ≣D25It (open) (b)
287Mateer Amanda Rae...2170Haskel Jeffrey (USA)22291-028 ≣D25It (open)09 Jun 2010
229Hrtko Vladimir (SVK)2141Jelen Peter (SVK)22330-121 ≣D25Extraliga 2006/0710 Dec 2006
95Schuett Wilhelm (...2097Zieher Hartmut (GER)22390-120 ≣D25Oberliga North 19...
148Krnavek Lubomir (...2313Vojta Tomas (CZE)22461-027 ≣D25Czech League 1999...
64Martinovsky Eugen...2299Blankenau Mike P ...22481-026 ≣D25It (open) \
288Oms Pallise Josep...2517Randazzo Adrian (...22511-029 ≣D25It (open)04 Jul 2010
184Muir Andrew J (SCO)2316Mason Donald (ENG)22561-026 ≣D25Ch Great Britain
42Scheeren Peter (NED)2445Van Der Vliet Fre...22660-122 ≣D25Ch Netherlands
84Melkeraaen TLauvsnes Arild (NOR)22700-120 ≣D25It
61Grotnes Nils (NOR)2193Mork Kjell-Arne (...22701-027 ≣D25Ch Norway
106Castillo Anthony ...2200Gervais Victor (FRA)22701-027 ≣D25Ch World (juniors...
12Szekely MihalySapi Laszlo (HUN)22750-120 ≣D25Ch Budapest
321Nasser BaderGarbett Paul Anth...22760-127 ≣D25Olympiad
256Sondermann Johann...2148Sisatto Olli (FIN)22810-127 ≣D25It (cat.2)11 Jun 2008
54Kliska Predrag (CRO)2133Stankov Georgi (BUL)22900-128 ≣D25corr.
7Lange Hans-WernerVan Seters Frits ...23001-029 ≣D25It (b)
21Ivkov Borislav (SRB)2416Damjanovic Mato (...23031-030 ≣D25It
22Minev Nikolay N (...2370Radulov Ivan (BUL)23060-123 ≣D25Ch Bulgaria05 Apr 1965
164Grotnes Nils (NOR)2265Johannessen Svein...23061-027 ≣D25Ch Norway (team) ...
19Savon Vladimir A ...2443Radulov Ivan (BUL)23061-021 ≣D25Match \
196Iljushin Alexei (...2534Reutsky Sergei (RUS)23181-024 ≣D25Cup Russia (open)
175Shtyrenkov Veniam...2446Kozlov Viktor Mih...23191-027 ≣D25It (cat.8)
46Gerusel Mathias (...2395Miltner Arndt (GER)23201-026 ≣D25Ch BRD
210Wornath Kai Rudol...2388Huch Reiner (GER)23250-125 ≣D25Ch Germany (blitz...02 Apr 2005
138Hegeler Frank (GER)2360Becker Walter (GER)23271-025 ≣D25Bundesliga (2nd) ...
296Socko Bartosz (POL)2657Majdan Joanna (POL)23331-025 ≣D25Ch Europe (active)19 Dec 2010
113Kempinski Robert ...2455Grund Holger (GER)23351-025 ≣D25Ch Europe (junior...
82Justo Damian (ARG)2312Fulgenzi Ernesto ...23381-030 ≣D25Tournament FMDA (...
14Shatskes B (RUS)Ageichenko Genadi...23430-120 ≣D25Spartakiada URS
319Collado Barbas La...2118Vega Gutierrez Sa...23550-120 ≣D25Ch Spain (w)