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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
146Petz Stephan1309Wolkow Michael8401-016D21Ch NRW (juniors) ...
254Prazak Matej1250Nespurek Petr12500-16 ≣D20Czech League 2007...27 Apr 2008
245Suchomel Ales (CZE)1610Pochobradsky Libor12501-027D04Czech League 2007...01 Dec 2007
291Van Veelen Jouke1801Slagter Jonathan14001-020 ≣D25Ch Netherlands (o...11 Aug 2010
66Templin Klaus-Die...2098Castellano Luis15001-029 ≣D25It (open)
299Burger Heinrich (...2159Meinicke Kurt (GER)15331-020 ≣D02Ch City (seniors)...30 Jan 2011
208Mueller Reinhard ...2023Segeritz Philipp15721-030 ≣D25Ch Germany (junio...30 Dec 2004
253Acacio Ricardo Ma...Mello Marcos Fern...15861-022 ≣D02Tournament (Elo) (b)10 Apr 2008
200Cuevas Yanez JoseRedondo Arguelles...16301-021 ≣D25Ch Asturias (team...13 Dec 2003
197Suto Gabor (HUN)2276Haszon David (HUN)16951-030 ≣D25It (open)
214Strand AndreasRaith Andreas (AUT)17041-025 ≣D02It (open) (junior...19 Aug 2005
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
99Gomez Jurado Luis...2329Arias Velasco Jos...18051-018 ≣D02It (open)
318Ponomarev Ilya2066Shestakov Alexey18061-018 ≣D25Memorial Sukharev...18 Jul 2012
272Baraeva Marina (RUS)1983Krepysheva Ksenia...18151-030 ≣D02Ch Russia (junior...17 Apr 2009
235Martinez Carlos A...2422De Sousa Matheus ...18191-024 ≣D02Tournament (Elo) (b)
173Rossi Giampiero (...2097Pede Lucio (ITA)18301-026 ≣D25Ch Provinciale CO02 Feb 2001
202Rusan Olga (RUS)Adamova Tuyara (RUS)18340-125 ≣D25Ch Russia (junior...
247Przezdziecka Mart...2259Fox Pierre (BEL)18351-011 ≣D02It (open)28 Dec 2007
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
228Ehrlacher Markus ...1788Bayer Erwin18860-118 ≣D04Verbandsliga Bade...26 Nov 2006
81Majzlan Igor (SVK)2174Schuetz Peter (SVK)18891-030 ≣D02It (open) \
294Alba Tarradelles ...1908Farre Regada Juli...18920-123 ≣D25Ch Provincial
204Alcon Herrero Jav...2046Torcal Andolz Alf...19100-128 ≣D25Memorial Rey Ardi...12 Apr 2004
261Bosch Joachim (FRA)2044Gicquiaud Karl (FRA)19301-021 ≣D02It (open)05 Aug 2008
317Mihajlov Svetosla...2092Schjelderup Nils-...19301-024 ≣D02Memorial Svein Jo...25 Jun 2012
216Genova Ruzka (BUL)2219Vladimirova Maria...19341-025 ≣D02Ch Bulgaria (team...28 Sep 2005
275Gutman Gennadi (UKR)2508Schuetz Peter (SVK)19401-018 ≣D02It (open) (j)18 Jul 2009
313Guerrero Juan Car...2250Aponte Juan Camilo19411-027 ≣D02Tournament (unive...
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
129Stauch Frank2075Ledfuss Guntram19601-026 ≣D02Bayern Regionalli...
265Kirusha Andrey (RUS)2373Sarkisov Vladimir...19641-022 ≣A06Memorial M.Chigor...04 Oct 2008
320Sanchez Ramirez G...1603De La Hoz Sanchez...19640-126 ≣D02Tournament (open)14 Aug 2012
227Palotas Peter (HUN)1836Schuetz Peter (SVK)19650-122 ≣D25Tournament (Elo) (b)09 Sep 2006
58De Heer H (NED)Dissel Henk (NED)19781-027 ≣D25corr.
293Snorek Milan (CZE)2143Lacina Filip (CZE)19921-023 ≣D02It (open)02 Oct 2010
215Luetje Juergen (GER)2124Weigel Hans-Juerg...19961-027 ≣A46Ch Germany (senio...23 Sep 2005
307Koelbl Ines (GER)1808Stark Saskia (GER)20010-124 ≣D02Ch Germany (junio...12 Jun 2011
18Geller Efim P (RUS)2455Schroeder Raymond...20011-015 ≣D25It
240Nordli Anders Sam...Lindsoe Fredrik-A...20010-127 ≣D25It (open) \12 Aug 2007
212Bahnmueller Ingo1782Keller Alfred (GER)20041-026 ≣D04It (open)07 May 2005
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...
259Jankovic Alojzije...2548Aalbersberg Kroon...20191-024 ≣A46It (open)22 Jul 2008
167Hausmann Hans-Ulr...1950Lau Wolfgang (GER)20190-117 ≣D25Ch City (seniors)
248Chasovnikova Euge...2338Babaev Mikhail (GER)20231-012 ≣A46It (open) (b)07 Feb 2008
205Baumeister Juerge...1886Keller Alfred (GER)20250-126 ≣D04Ch Wuerttemberg (b)30 Aug 2004
125Taeger Winfried (...2265Wurster Axel20301-025 ≣D02It (open)
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)
121Bretschneider Chr...2004Hibbeln Christian...20451-021D02It (open)
217Kwossek Georg (GER)2110Schober Manfred (...20500-130 ≣D02It (open)21 Oct 2005
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
187Jablonicky Franti...2181Hebelka Milos (SVK)20771-029 ≣A06It (open) \
241Madiai Federico (...2055Djabri Zafer M (WLS)20801-030 ≣A06It (open)29 Aug 2007
258Sokolov Igor (RUS)2225Lugovoy Dmitry (RUS)20821-028 ≣D02Cup Volga (open)
246Milicevic Miodrag...2243Simic Vladica (SRB)20821-010 ≣D02Ch Central Serbia14 Dec 2007
243Rykov M1979Solovyov Sergey V...20830-130 ≣D25Ch Region (1/2 fi...09 Oct 2007
300Quintiliano Renat...2172Barbosa Fernando ...20851-018 ≣D25Tournament (Gr.A)
292Slavin Alexei (RUS)2426Punnett Alan Kenn...20871-018 ≣A46It (open)10 Sep 2010
100Malisauskiene Mar...2050Ciuksyte Dagne (ENG)20950-123D02Ch Lithuania (w)
70Jasnikowski Zbign...2376Kekki Jorma (FIN)21001-028 ≣D25It (open)
244Rubio Nevado Pedr...2100Draghici Gavril (...21060-129 ≣D25Ch Spain (team) \19 Nov 2007
103Chuchelov Vladimi...2550Gerstenhauer Dore...21061-029 ≣A05It (open)
13Lilienthal Andor ...2385Gurgenidze Bukhut...21081-029 ≣D25Ch \
144Benderac Ana (SRB)2265Ciuksyte Zivile (...21081-030 ≣D02Cup European Club...
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)
90Jorgensen Per Hen...2263Hansen Henrik Mic...21241-025 ≣D02It (open)
179Partington Anna (...2072Punnett Alan Kenn...21290-129 ≣A46Ch England (team)...
48Skembris Spyridon...2463Stamatopoulos Ioa...21311-024 ≣D25?
286Zavadil Michal (CZE)2143Mlensky Dalibor (...21320-129 ≣D25Czech League 2009...22 Mar 2010
203Figura Ludmila (RUS)2181Nikolaeva Alexand...21331-030 ≣D02Ch Russia (junior...
157Sjogren Bo (SWE)2211Valaker Ole J (NOR)21341-024 ≣D02It (open)
102Malzacher WolfgangLipecki Alexander...21380-129 ≣D25It (open)
131Luis Vitalla Fern...2149Glaria Murillo Ch...21390-126 ≣D02It (open) \
309Cech Pavel (CZE)2369Chalupa Ivan (CZE)21391-027 ≣D25Ch Czech Republic...15 Jul 2011
180Assmann Thomas (GER)2351Feller Joseph (LUX)21401-028 ≣D02Alpenpokal
29Ghitescu Theodor ...2384Kovacs Zoltan (HUN)21461-022 ≣D25?
69Lindestrom Torste...2215Pedersen Jacob Ba...21520-119 ≣D25Ch Denmark (qual)
277Callet Emmanuel (...2215Velten Paul (FRA)21530-123 ≣A06Ch France (access...12 Aug 2009