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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
298Arceri Paolo1464Russo Roberto (ITA)18510-121 ≣D25Memorial Salvator...13 Jan 2011
88Neumann Martin (GER)1708Mahnke E1-019 ≣D25It (open)
280Al Zarooni Ahmed ...1798Qorolli Shpresmir1-022 ≣D25Ch World (juniors...20 Nov 2009
291Van Veelen Jouke1801Slagter Jonathan14001-020 ≣D25Ch Netherlands (o...11 Aug 2010
219Hoedtke Joern (GER)1814Rodig Claus (GER)17361-027 ≣D25It (open)
267Antonova Nadezhda...1827Duron Sari1-027 ≣D25Olympiad (w)22 Nov 2008
227Palotas Peter (HUN)1836Schuetz Peter (SVK)19650-122 ≣D25Tournament (Elo) (b)09 Sep 2006
60Feichtinger Hans1860Bauerndistel B1-023 ≣D25corr.
207Wiessner Johann (...1875Michalko Matej (SVK)17521-029D25It (open)18 Nov 2004
294Alba Tarradelles ...1908Farre Regada Juli...18920-123 ≣D25Ch Provincial
167Hausmann Hans-Ulr...1950Lau Wolfgang (GER)20190-117 ≣D25Ch City (seniors)
308Velioniskis Rober...1953Ruginiene Ramune1-026D25Cup Baltija (open)19 Jun 2011
243Rykov M1979Solovyov Sergey V...20830-130 ≣D25Ch Region (1/2 fi...09 Oct 2007
238Stala Grzegorz (POL)1993Smirnov Alexander...22180-119 ≣D25It (open)14 Jun 2007
152Philippe Denis (BEL)2019Barlow Bertrand (...21160-125D25It (cat.1)
208Mueller Reinhard ...2023Segeritz Philipp15721-030 ≣D25Ch Germany (junio...30 Dec 2004
156Faisal Kashwani (...2029Taleb Moussa (UAE)23890-120 ≣D25It (open)
226Pipala Janusz (POL)2036Zarow Zdzislaw (POL)19601-022 ≣D25Tournament (open)27 Aug 2006
101Dickau Daniel (ARG)2042Scarella Enrique ...24200-125 ≣D25It (open)
204Alcon Herrero Jav...2046Torcal Andolz Alf...19100-128 ≣D25Memorial Rey Ardi...12 Apr 2004
28Nevole Vladimir (...2051Sindler1-027 ≣D25?
269Castro Santimoteo...2064Gomez Contelles Jose1-028 ≣D25Ch Valencia (team...10 Jan 2009
318Ponomarev Ilya2066Shestakov Alexey18061-018 ≣D25Memorial Sukharev...18 Jul 2012
262Voracek Zdenek (CZE)2084Vojta Tomas (CZE)23800-126 ≣D25It (open)24 Aug 2008
260Christensen Klaus...2088Kogan Artur (ISR)25610-124 ≣D25Cup Baltic Sea (o...05 Aug 2008
230Petrekanovic Miro...2094Trbovic Bogdan (SRB)20101-023 ≣D25It (open)27 Dec 2006
173Rossi Giampiero (...2097Pede Lucio (ITA)18301-026 ≣D25Ch Provinciale CO02 Feb 2001
95Schuett Wilhelm (...2097Zieher Hartmut (GER)22390-120 ≣D25Oberliga North 19...
66Templin Klaus-Die...2098Castellano Luis15001-029 ≣D25It (open)
185Dobai Szabolcs (HUN)2099Karolyfalvi Janos...17671-020 ≣D25It (open) (b)16 Jul 2002
244Rubio Nevado Pedr...2100Draghici Gavril (...21060-129 ≣D25Ch Spain (team) \19 Nov 2007
304Collier David (ENG)2100Wagner Guy (WLS)18851-011 ≣D25Ch England (team)...30 Apr 2011
119Freising Manuel (...2106Poth Walter1-021 ≣D25Ch Pfalz (open)
297Gureev Dmitry (RUS)2117Kasyanov Andrey (...22091-023 ≣D25Tournament (open) \03 Jan 2011
319Collado Barbas La...2118Vega Gutierrez Sa...23550-120 ≣D25Ch Spain (w)
220Lazaridis Har (GRE)2124Pantazopoulos Sta...21161-021 ≣D25Ch Greece (junior...05 Jan 2006
149Kostjuk Tatjana (...2130Bergalina N (UKR)1-026 ≣D25Ch Ukraine (junio...
75Von Kap-Herr Alex...2131Molitor P1-026 ≣D25Ch Rheinhessen (C1)
54Kliska Predrag (CRO)2133Stankov Georgi (BUL)22900-128 ≣D25corr.
306Leshchyshak Igor ...2137Soldatov Volodymyr1-022 ≣D25Ch City (open)11 Jun 2011
229Hrtko Vladimir (SVK)2141Jelen Peter (SVK)22330-121 ≣D25Extraliga 2006/0710 Dec 2006
286Zavadil Michal (CZE)2143Mlensky Dalibor (...21320-129 ≣D25Czech League 2009...22 Mar 2010
231Jurkiewicz Krzysz...2147Zilka Stepan (CZE)23750-123 ≣D25It (open)30 Dec 2006
256Sondermann Johann...2148Sisatto Olli (FIN)22810-127 ≣D25It (cat.2)11 Jun 2008
154Kovar Jan (CZE)2160Palkova Katerina ...20141-026D25It (open) (junior...
287Mateer Amanda Rae...2170Haskel Jeffrey (USA)22291-028 ≣D25It (open)09 Jun 2010
250Souza Marcos Vale...2171Santos Eriberto N...17931-025 ≣D25Tournament (open)21 Mar 2008
300Quintiliano Renat...2172Barbosa Fernando ...20851-018 ≣D25Tournament (Gr.A)
147Volak Michal (CZE)2187Ptak Pavel (CZE)21601-022 ≣D25Czech League (2nd)
61Grotnes Nils (NOR)2193Mork Kjell-Arne (...22701-027 ≣D25Ch Norway
6Khodos German (RUS)2200Tal Mikhail N (LAT)25200-123 ≣D25Ch URS
106Castillo Anthony ...2200Gervais Victor (FRA)22701-027 ≣D25Ch World (juniors...
124Odachowski Arthur...2205Knoll F1-014 ≣D25It (open)
176Oberhofer Max (GER)2214Neubauer Ralf Dr ...20561-028 ≣D25It (open)
69Lindestrom Torste...2215Pedersen Jacob Ba...21520-119 ≣D25Ch Denmark (qual)
137Solomon Kenny (RSA)2215Alberto Manuel (ANG)21551-024 ≣D25Zt
35Goldsmith Alan (AUS)2216Hill Robin (AUS)21751-029 ≣D25Ch Australia28 Dec 1971
181Artemchuk Taras (...2224Milko Sergey1-028 ≣D25Memorial I.Stepichev
182Kort Jacob (NED)2225Schmitz Manuela (...21111-030 ≣D25It (open)
132Khusnutdinova Lui...2230Javakhishvili Lel...21100-117 ≣D25Ch Europe (junior...
73Bacis Jean-Franco...2230Fadel Mario0-115 ≣D25It (open)
271Andrejic Vladica ...2234Simic Vladica (SRB)20761-025 ≣D25Ch Europe10 Mar 2009
139Hummel Patrick (USA)2240Stevens Lawrence ...20401-030 ≣D25It (open) \
168Sbarra Marco (ITA)2246Todorov Ognjan (BUL)23810-126 ≣D25It (open)
47Townsend M Paul (...2253Seidel Juergen (GER)20561-029 ≣D25It (open)
171Khanov Vjacheslav...2262Pastushkov Mikhai...21111-028 ≣D25Ch Tula Region (o...
164Grotnes Nils (NOR)2265Johannessen Svein...23061-027 ≣D25Ch Norway (team) ...
134Rapoport Evgeny (...2265Shevelev Arkady (...23850-127 ≣D25Match \
163Garifulin Alexand...2270Eryomenko Volodym...25040-121D25Memorial V.Klubis
45Henttinen Markku ...2270Aagaard Michael (...20440-112 ≣D25Ch Denmark (juniors)
110Nava Pereda Carlo...2275Almeida Artur (POR)1-018 ≣D25It (open)
197Suto Gabor (HUN)2276Haszon David (HUN)16951-030 ≣D25It (open)
122Kaminik Aleksanda...2280Wadsack Wolfgang ...22251-027 ≣D25It (open) (b)
234Urkedal Frode (NOR)2281Holen Torgeir1-022 ≣D25Ch Norway (team) ...11 Mar 2007
105Starck Bodo (GER)2290Winter1-028 ≣D25Ch Germany (seniors)
64Martinovsky Eugen...2299Blankenau Mike P ...22481-026 ≣D25It (open) \
15Damjanovic Mato (...2303Barczay Laszlo (HUN)23811-028 ≣D25It
133Tulchinsky Mikhai...2305Nesterenko Nikita...1-023 ≣D25Cup Russia (open)
10Foguelman Alberto...2310Bronstein David I...24320-121 ≣D25Izt
82Justo Damian (ARG)2312Fulgenzi Ernesto ...23381-030 ≣D25Tournament FMDA (...
148Krnavek Lubomir (...2313Vojta Tomas (CZE)22461-027 ≣D25Czech League 1999...
206Ajupov Damir (RUS)2314Kosov Igor (RUS)17691-028 ≣D25Memorial M.Chigor...16 Oct 2004
289Dworakowska Joann...2315Osmanodja Filiz (...20591-028 ≣D25It (w)10 Jul 2010
184Muir Andrew J (SCO)2316Mason Donald (ENG)22561-026 ≣D25Ch Great Britain
127Summermatter Dani...2320Fux Anton (SUI)19481-028 ≣D25It (open) \
145Deglmann Ludwig (...2327Schmitz Andreas A...21821-021 ≣D25It (open)
33Rosell Kaj (DEN)2331Pedersen Erik (DEN)23991-014 ≣D25Memorial L.Rasmussen
237Meenakshi S (IND)2336Peng Zhaoqin (NED)24190-130 ≣D25It (open)13 May 2007
107Mester Gyula (HUN)2340Husek Zdenek (SVK)20331-029 ≣D25Ch Hungary (team)
23Heil Siegfried (GER)2341Humburg Hans1-025 ≣D25It (open)21 May 1965
40Portisch Ferenc (...2342Kovacevic Damir22001-023 ≣D25It
85Portisch Ferenc (...2342Weber Brigitte1-013 ≣D25It (open)
30Sirkia Mauri O (FIN)2350Eichhorn Ernst (SUI)0-126 ≣D25Ch World (team) (...17 Jul 1968
43Debarnot Roberto ...2355Castro Oscar H (COL)24251-017 ≣D25?
323Morozov Grigoriy ...2356Stukopin Andrey (...24940-130 ≣D25Ch Moscow (team)06 Oct 2012
138Hegeler Frank (GER)2360Becker Walter (GER)23271-025 ≣D25Bundesliga (2nd) ...
51Dobosz Henryk (POL)2360Pedersen Hans Dah...22121-015 ≣D25It (b)
282Kistella Roman (GER)2361Heimsoth Holger (...21761-024 ≣D25NRW-liga 2009/1010 Jan 2010
224Loktiev Ivan (RUS)2365Feller Joseph (LUX)21740-122 ≣D25Ch Europe (seniors)08 Aug 2006
309Cech Pavel (CZE)2369Chalupa Ivan (CZE)21391-027 ≣D25Ch Czech Republic...15 Jul 2011