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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
253Acacio Ricardo Ma...Mello Marcos Fern...15861-022 ≣D02Tournament (Elo) (b)10 Apr 2008
96Aho TuomoAatola Petteri1-030 ≣D21It (open)
206Ajupov Damir (RUS)2314Kosov Igor (RUS)17691-028 ≣D25Memorial M.Chigor...16 Oct 2004
294Alba Tarradelles ...1908Farre Regada Juli...18920-123 ≣D25Ch Provincial
204Alcon Herrero Jav...2046Torcal Andolz Alf...19100-128 ≣D25Memorial Rey Ardi...12 Apr 2004
280Al Zarooni Ahmed ...1798Qorolli Shpresmir1-022 ≣D25Ch World (juniors...20 Nov 2009
271Andrejic Vladica ...2234Simic Vladica (SRB)20761-025 ≣D25Ch Europe10 Mar 2009
267Antonova Nadezhda...1827Duron Sari1-027 ≣D25Olympiad (w)22 Nov 2008
298Arceri Paolo1464Russo Roberto (ITA)18510-121 ≣D25Memorial Salvator...13 Jan 2011
181Artemchuk Taras (...2224Milko Sergey1-028 ≣D25Memorial I.Stepichev
266Asimakopoulos Ana...Kouroumpas Harilaos1-027D04Ch Greece (junior...11 Oct 2008
180Assmann Thomas (GER)2351Feller Joseph (LUX)21401-028 ≣D02Alpenpokal
186Atalik Suat (BIH)2541Meins Gerlef (GER)24401-026 ≣D02It (open)
73Bacis Jean-Franco...2230Fadel Mario0-115 ≣D25It (open)
212Bahnmueller Ingo1782Keller Alfred (GER)20041-026 ≣D04It (open)07 May 2005
314Balteanu Luca-AndreiKelemen Norbert0-112 ≣D20Ch World (schools...04 May 2012
272Baraeva Marina (RUS)1983Krepysheva Ksenia...18151-030 ≣D02Ch Russia (junior...17 Apr 2009
205Baumeister Juerge...1886Keller Alfred (GER)20250-126 ≣D04Ch Wuerttemberg (b)30 Aug 2004
281Bellon Lopez Juan...2445Gagarin Vasilij (...24221-030 ≣D02Cup Rilton (open)30 Dec 2009
221Bellon Lopez Juan...2438Romanishin Oleg M...25420-126 ≣D02It (open)03 Mar 2006
144Benderac Ana (SRB)2265Ciuksyte Zivile (...21081-030 ≣D02Cup European Club...
79Berben TheoHebels Alex0-123 ≣D25corr.
143Blank Goncalves E...2080De Souza Haro Pau...23051-029 ≣D04Ch State Sao Paulo
274Bodiroga Predrag ...2431Romanishin Oleg M...25030-125 ≣D25It (open)07 Jun 2009
301Boettger Marko (GER)Volz Daniel (GER)1-025 ≣D25Verbandsliga Bade...17 Apr 2011
261Bosch Joachim (FRA)2044Gicquiaud Karl (FRA)19301-021 ≣D02It (open)05 Aug 2008
252Brenno Vicente de...Campos Joco Manuel0-130 ≣D02Tournament (Elo) (b)06 Apr 2008
121Bretschneider Chr...2004Hibbeln Christian...20451-021D02It (open)
55Brkusanin DBegic Senad (BIH)22820-120 ≣D04It (open)
123Bromberger Stefan...2511Grund Holger (GER)23750-124 ≣D25Tournament (team)
299Burger Heinrich (...2159Meinicke Kurt (GER)15331-020 ≣D02Ch City (seniors)...30 Jan 2011
2Camara RonaldMangini Jose Thiago1-020 ≣D02Ch Brazil
106Castillo Anthony ...2200Gervais Victor (FRA)22701-027 ≣D25Ch World (juniors...
269Castro Santimoteo...2064Gomez Contelles Jose1-028 ≣D25Ch Valencia (team...10 Jan 2009
309Cech Pavel (CZE)2369Chalupa Ivan (CZE)21391-027 ≣D25Ch Czech Republic...15 Jul 2011
211Cherniaev Alexand...2265Lyell Mark (ENG)22031-030 ≣D02Ch England (team)...01 May 2005
11Chernikov Oleg L ...2402Blagidze Alexander0-127 ≣D25Ch URS (club)
290Chernyadev VadimIvanov Vladimir A...20770-121 ≣D25Cup Corporation \23 Jul 2010
295Chiburdanidze Mai...2500Meenakshi S (IND)23361-023 ≣D02Ch World (w)04 Dec 2010
260Christensen Klaus...2088Kogan Artur (ISR)25610-124 ≣D25Cup Baltic Sea (o...05 Aug 2008
319Collado Barbas La...2118Vega Gutierrez Sa...23550-120 ≣D25Ch Spain (w)
304Collier David (ENG)2100Wagner Guy (WLS)18851-011 ≣D25Ch England (team)...30 Apr 2011
222Cordova Emilio (PER)2482Arancibia Eduardo...23861-026 ≣D02It (cat.7)22 Mar 2006
255Correa Lorena Mar...Zummach Bruna Ecker1-022D25Ch Brazil (w)24 May 2008
41Cruz LorenzanaRivas Pastor Manu...25590-127 ≣D25Olympiad
130Csala Imre (HUN)2225Menyhart Tibor (HUN)22300-129 ≣D02Ch Hungary (team)...
200Cuevas Yanez JoseRedondo Arguelles...16301-021 ≣D25Ch Asturias (team...13 Dec 2003
15Damjanovic Mato (...2303Barczay Laszlo (HUN)23811-028 ≣D25It
43Debarnot Roberto ...2355Castro Oscar H (COL)24251-017 ≣D25?
145Deglmann Ludwig (...2327Schmitz Andreas A...21821-021 ≣D25It (open)
58De Heer H (NED)Dissel Henk (NED)19781-027 ≣D25corr.
86Delcros ASlavkovic Vitomir...17890-125 ≣D25It (open)
92De Wit WilliamVan Roosmalen A0-117 ≣D04corr.
101Dickau Daniel (ARG)2042Scarella Enrique ...24200-125 ≣D25It (open)
165Dizdar Goran (CRO)2526Petrov Jole (CRO)24261-026 ≣D25Cup Croatia
65Djuric LSion Castro Marce...23711-026 ≣D02It (open)
72Dlugy Maxim (USA)2530Tapper Larry (USA)22551-029 ≣D02It (open)
185Dobai Szabolcs (HUN)2099Karolyfalvi Janos...17671-020 ≣D25It (open) (b)16 Jul 2002
51Dobosz Henryk (POL)2360Pedersen Hans Dah...22121-015 ≣D25It (b)
118Dovzik Juri (UKR)2395Menyhart Tibor (HUN)22101-013 ≣D02Ch Hungary (team)...
289Dworakowska Joann...2315Osmanodja Filiz (...20591-028 ≣D25It (w)10 Jul 2010
228Ehrlacher Markus ...1788Bayer Erwin18860-118 ≣D04Verbandsliga Bade...26 Nov 2006
156Faisal Kashwani (...2029Taleb Moussa (UAE)23890-120 ≣D25It (open)
27Farago Ivan (HUN)2488Szilagyi Gyorgy (...23700-125 ≣D25Ch Hungary
60Feichtinger Hans1860Bauerndistel B1-023 ≣D25corr.
203Figura Ludmila (RUS)2181Nikolaeva Alexand...21331-030 ≣D02Ch Russia (junior...
10Foguelman Alberto...2310Bronstein David I...24320-121 ≣D25Izt
119Freising Manuel (...2106Poth Walter1-021 ≣D25Ch Pfalz (open)
316Galuscak Viktoras...1827Zolotov Roman1-019 ≣D20It (open)23 Jun 2012
163Garifulin Alexand...2270Eryomenko Volodym...25040-121D25Memorial V.Klubis
8Gasztonyi Endre (...2295Barczay Laszlo (HUN)23811-016 ≣D02Tournament
18Geller Efim P (RUS)2455Schroeder Raymond...20011-015 ≣D25It
216Genova Ruzka (BUL)2219Vladimirova Maria...19341-025 ≣D02Ch Bulgaria (team...28 Sep 2005
46Gerusel Mathias (...2395Miltner Arndt (GER)23201-026 ≣D25Ch BRD
29Ghitescu Theodor ...2384Kovacs Zoltan (HUN)21461-022 ≣D25?
31Gligoric Svetozar...2447Ghitescu Theodor ...23841-027 ≣D25It
50Gneusz WWolf Lucas0-126 ≣D25Ch DDR (corr.)
35Goldsmith Alan (AUS)2216Hill Robin (AUS)21751-029 ≣D25Ch Australia28 Dec 1971
99Gomez Jurado Luis...2329Arias Velasco Jos...18051-018 ≣D02It (open)
305Graf Joachim (GER)2103Kayser Wilhelm1-07 ≣D02Cup Gold06 May 2011
61Grotnes Nils (NOR)2193Mork Kjell-Arne (...22701-027 ≣D25Ch Norway
164Grotnes Nils (NOR)2265Johannessen Svein...23061-027 ≣D25Ch Norway (team) ...
313Guerrero Juan Car...2250Aponte Juan Camilo19411-027 ≣D02Tournament (unive...
297Gureev Dmitry (RUS)2117Kasyanov Andrey (...22091-023 ≣D25Tournament (open) \03 Jan 2011
112Gustafsson JohanSkold Lennart1-017 ≣D25Ch Sweden (corr.)
275Gutman Gennadi (UKR)2508Schuetz Peter (SVK)19401-018 ≣D02It (open) (j)18 Jul 2009
87Hansen JanStangeland Karle ...20570-125 ≣D25It (open)
167Hausmann Hans-Ulr...1950Lau Wolfgang (GER)20190-117 ≣D25Ch City (seniors)
138Hegeler Frank (GER)2360Becker Walter (GER)23271-025 ≣D25Bundesliga (2nd) ...
23Heil Siegfried (GER)2341Humburg Hans1-025 ≣D25It (open)21 May 1965
45Henttinen Markku ...2270Aagaard Michael (...20440-112 ≣D25Ch Denmark (juniors)
195Hernandez Basante...2283Guillen Catala Ja...1-019D21Ch Segunda Silla
264Hoang Thi Bao Tra...2250Peng Zhaoqin (NED)24551-017 ≣D04World Mindsports ...04 Oct 2008
219Hoedtke Joern (GER)1814Rodig Claus (GER)17361-027 ≣D25It (open)
263Holemar David (CZE)2326Gross Stefan (CZE)21951-014 ≣D02It (a)26 Aug 2008
198Hopster Ruud (NED)2011Schmitz Andreas A...21770-123 ≣D04It (open)
229Hrtko Vladimir (SVK)2141Jelen Peter (SVK)22330-121 ≣D25Extraliga 2006/0710 Dec 2006
139Hummel Patrick (USA)2240Stevens Lawrence ...20401-030 ≣D25It (open) \
196Iljushin Alexei (...2534Reutsky Sergei (RUS)23181-024 ≣D25Cup Russia (open)
21Ivkov Borislav (SRB)2416Damjanovic Mato (...23031-030 ≣D25It