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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
286Zavadil Michal (CZE)2143Mlensky Dalibor (...21320-129 ≣D25Czech League 2009...22 Mar 2010
223Zaskalski Pawel (...Herweh Patrick1-027D25Verbandsliga Bade...09 Apr 2006
242Zadorozhny AndreyGerasimenko Bogdan1-028D25Ch Ukraine (junio...06 Oct 2007
210Wornath Kai Rudol...2388Huch Reiner (GER)23250-125 ≣D25Ch Germany (blitz...02 Apr 2005
207Wiessner Johann (...1875Michalko Matej (SVK)17521-029D25It (open)18 Nov 2004
140Wendland GuidoFreude L1-028 ≣D25It (open)
262Voracek Zdenek (CZE)2084Vojta Tomas (CZE)23800-126 ≣D25It (open)24 Aug 2008
75Von Kap-Herr Alex...2131Molitor P1-026 ≣D25Ch Rheinhessen (C1)
147Volak Michal (CZE)2187Ptak Pavel (CZE)21601-022 ≣D25Czech League (2nd)
308Velioniskis Rober...1953Ruginiene Ramune1-026D25Cup Baltija (open)19 Jun 2011
303Vasquez Ayola JhonVergara Carlos Ivan1-025 ≣D25It (open) (c)22 Apr 2011
291Van Veelen Jouke1801Slagter Jonathan14001-020 ≣D25Ch Netherlands (o...11 Aug 2010
115Vamplew RDobrishman Liat (...0-130 ≣D25Ch Canada (team)
234Urkedal Frode (NOR)2281Holen Torgeir1-022 ≣D25Ch Norway (team) ...11 Mar 2007
133Tulchinsky Mikhai...2305Nesterenko Nikita...1-023 ≣D25Cup Russia (open)
47Townsend M Paul (...2253Seidel Juergen (GER)20561-029 ≣D25It (open)
284Thorfinnsson Bjor...2404Kogan Artur (ISR)25260-127 ≣D25It (open)03 Mar 2010
66Templin Klaus-Die...2098Castellano Luis15001-029 ≣D25It (open)
74TaylorLythgoe1-021 ≣D25corr.
12Szekely MihalySapi Laszlo (HUN)22750-120 ≣D25Ch Budapest
197Suto Gabor (HUN)2276Haszon David (HUN)16951-030 ≣D25It (open)
127Summermatter Dani...2320Fux Anton (SUI)19481-028 ≣D25It (open) \
3Sterner OlafAndersen Borge (DEN)23851-024 ≣D25Olympiad
105Starck Bodo (GER)2290Winter1-028 ≣D25Ch Germany (seniors)
238Stala Grzegorz (POL)1993Smirnov Alexander...22180-119 ≣D25It (open)14 Jun 2007
250Souza Marcos Vale...2171Santos Eriberto N...17931-025 ≣D25Tournament (open)21 Mar 2008
256Sondermann Johann...2148Sisatto Olli (FIN)22810-127 ≣D25It (cat.2)11 Jun 2008
137Solomon Kenny (RSA)2215Alberto Manuel (ANG)21551-024 ≣D25Zt
166Sokolov Ivan (NED)2611Van Veen Oscar (NED)22161-022 ≣D25It (open)
296Socko Bartosz (POL)2657Majdan Joanna (POL)23331-025 ≣D25Ch Europe (active)19 Dec 2010
48Skembris Spyridon...2463Stamatopoulos Ioa...21311-024 ≣D25?
30Sirkia Mauri O (FIN)2350Eichhorn Ernst (SUI)0-126 ≣D25Ch World (team) (...17 Jul 1968
175Shtyrenkov Veniam...2446Kozlov Viktor Mih...23191-027 ≣D25It (cat.8)
14Shatskes B (RUS)Ageichenko Genadi...23430-120 ≣D25Spartakiada URS
37Shamkovich Leonid...2535Alexandrescu Gheo...1-024 ≣D25?
95Schuett Wilhelm (...2097Zieher Hartmut (GER)22390-120 ≣D25Oberliga North 19...
78Scherler HMenken Ulrich0-125 ≣D25It (open)
42Scheeren Peter (NED)2445Van Der Vliet Fre...22660-122 ≣D25Ch Netherlands
120ScavoCristiani Cesare ...21580-120 ≣D25It (open)
168Sbarra Marco (ITA)2246Todorov Ognjan (BUL)23810-126 ≣D25It (open)
19Savon Vladimir A ...2443Radulov Ivan (BUL)23061-021 ≣D25Match \
34Sadurskis PBobkow WS0-125 ≣D25corr.
243Rykov M1979Solovyov Sergey V...20830-130 ≣D25Ch Region (1/2 fi...09 Oct 2007
71RyanKeady0-130 ≣D25corr.
202Rusan Olga (RUS)Adamova Tuyara (RUS)18340-125 ≣D25Ch Russia (junior...
244Rubio Nevado Pedr...2100Draghici Gavril (...21060-129 ≣D25Ch Spain (team) \19 Nov 2007
190Rottier Pierre PhilKhongaloos Zorik0-125 ≣D25It (open)
173Rossi Giampiero (...2097Pede Lucio (ITA)18301-026 ≣D25Ch Provinciale CO02 Feb 2001
33Rosell Kaj (DEN)2331Pedersen Erik (DEN)23991-014 ≣D25Memorial L.Rasmussen
83Rodenas Sanches AKnudsen John22150-119 ≣D25World Tournament ...
91Read RShapiro S1-025 ≣D25It (open)
52Rauer HWurster Axel19600-122 ≣D25Regionalliga Nord
134Rapoport Evgeny (...2265Shevelev Arkady (...23850-127 ≣D25Match \
300Quintiliano Renat...2172Barbosa Fernando ...20851-018 ≣D25Tournament (Gr.A)
56Priehoda Vitezsla...2388Husek Zdenek (SVK)20331-030 ≣D25Ch Slovakia
273Prakash G B (IND)2406Fominyh Alexander...24680-115 ≣D25Cup Mayors (open)06 May 2009
40Portisch Ferenc (...2342Kovacevic Damir22001-023 ≣D25It
85Portisch Ferenc (...2342Weber Brigitte1-013 ≣D25It (open)
318Ponomarev Ilya2066Shestakov Alexey18061-018 ≣D25Memorial Sukharev...18 Jul 2012
226Pipala Janusz (POL)2036Zarow Zdzislaw (POL)19601-022 ≣D25Tournament (open)27 Aug 2006
152Philippe Denis (BEL)2019Barlow Bertrand (...21160-125D25It (cat.1)
230Petrekanovic Miro...2094Trbovic Bogdan (SRB)20101-023 ≣D25It (open)27 Dec 2006
199Panelo Marcelo (ARG)2393Rodriguez Hernand...1-026 ≣D25Dos Hermanas Qual...17 Mar 2003
227Palotas Peter (HUN)1836Schuetz Peter (SVK)19650-122 ≣D25Tournament (Elo) (b)09 Sep 2006
288Oms Pallise Josep...2517Randazzo Adrian (...22511-029 ≣D25It (open)04 Jul 2010
124Odachowski Arthur...2205Knoll F1-014 ≣D25It (open)
176Oberhofer Max (GER)2214Neubauer Ralf Dr ...20561-028 ≣D25It (open)
240Nordli Anders Sam...Lindsoe Fredrik-A...20010-127 ≣D25It (open) \12 Aug 2007
49Nogueiras Jesus (...2526Vera Reynaldo (CUB)24551-028 ≣D25It
28Nevole Vladimir (...2051Sindler1-027 ≣D25?
88Neumann Martin (GER)1708Mahnke E1-019 ≣D25It (open)
110Nava Pereda Carlo...2275Almeida Artur (POR)1-018 ≣D25It (open)
321Nasser BaderGarbett Paul Anth...22760-127 ≣D25Olympiad
184Muir Andrew J (SCO)2316Mason Donald (ENG)22561-026 ≣D25Ch Great Britain
208Mueller Reinhard ...2023Segeritz Philipp15721-030 ≣D25Ch Germany (junio...30 Dec 2004
323Morozov Grigoriy ...2356Stukopin Andrey (...24940-130 ≣D25Ch Moscow (team)06 Oct 2012
80Mohr PeterKilb Paul1-018 ≣D25It (open)
178Minzer Claudio Ja...2394Panadero Esperalt...1-023 ≣D25It (open)
22Minev Nikolay N (...2370Radulov Ivan (BUL)23060-123 ≣D25Ch Bulgaria05 Apr 1965
107Mester Gyula (HUN)2340Husek Zdenek (SVK)20331-029 ≣D25Ch Hungary (team)
84Melkeraaen TLauvsnes Arild (NOR)22700-120 ≣D25It
237Meenakshi S (IND)2336Peng Zhaoqin (NED)24190-130 ≣D25It (open)13 May 2007
287Mateer Amanda Rae...2170Haskel Jeffrey (USA)22291-028 ≣D25It (open)09 Jun 2010
64Martinovsky Eugen...2299Blankenau Mike P ...22481-026 ≣D25It (open) \
102Malzacher WolfgangLipecki Alexander...21380-129 ≣D25It (open)
224Loktiev Ivan (RUS)2365Feller Joseph (LUX)21740-122 ≣D25Ch Europe (seniors)08 Aug 2006
69Lindestrom Torste...2215Pedersen Jacob Ba...21520-119 ≣D25Ch Denmark (qual)
13Lilienthal Andor ...2385Gurgenidze Bukhut...21081-029 ≣D25Ch \
20Lilienthal Andor ...2385Bokuchava Aleksan...1-026 ≣D25It
136Lichius ReinhardJurgeit Sven1-011 ≣D25Ch Chess Club
155Levin Felix (GER)2531Kalinin Oleg (UKR)24321-020 ≣D25It (cat.10)
306Leshchyshak Igor ...2137Soldatov Volodymyr1-022 ≣D25Ch City (open)11 Jun 2011
279Leitao Rafael (BRA)2610Galati Mario Augu...22061-028 ≣D25It (open) \07 Sep 2009
220Lazaridis Har (GRE)2124Pantazopoulos Sta...21161-021 ≣D25Ch Greece (junior...05 Jan 2006
7Lange Hans-WernerVan Seters Frits ...23001-029 ≣D25It (b)
322Kuljasevic Davori...2555Petrov Jole (CRO)24191-028 ≣D25Ch Croatia (team)...24 Sep 2012
141Kulbacki JamesBrumley Ron Jr1-029 ≣D25It (open)
148Krnavek Lubomir (...2313Vojta Tomas (CZE)22461-027 ≣D25Czech League 1999...
324Kozul Zdenko (CRO)2621Rabiega Robert (GER)25151-028 ≣D25Bundesliga (2nd) ...20 Oct 2012
158Kozul Zdenko (CRO)2611Golubovic Boris (...24661-028 ≣D25Ch Slovenia (team)