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QGA, 4.Nc3 Notation: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3

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
8Hottes Dieter (GER)2184Bialas Wolfram (GER)23251-024 ≣D24Ch BRD
304Hubmann Guenter (...2104Ruschko Gerhard1-023 ≣D24It (open) (c)17 Aug 2003
56Huda Rehan (CAN)2295Bosenius B1-025 ≣D24Ch Canada (junior...
70Huzman Alexander ...2465Sherzer Alex (USA)25041-018 ≣D24It (open)
282Iotov Valentin (BUL)2254Angelov Ivailo1-023 ≣D24Memorial Baharov ...
430Isakjanov KPrmagambetov A1-021 ≣D24Ch Kyrgyzstan
189Juodeika Rytis (LTU)2080Sulskis Giedrius ...20951-024 ≣D24Ch Lithuania
240Kainz Josef (AUT)1991Hutz Gerhard (AUT)21031-020 ≣D24It (open) (b)
98Kincs Imre (HUN)2179Meszaros Albert1-023 ≣D24Ch Hungary (team)
178Kinsman Andrew P ...2400Shaw John (SCO)23351-026 ≣D24It (cat.4)
323Kirschbaum Gunnar...2215Vlassow Valentin ...23260-126 ≣D24It (open)30 Dec 2004
67Kjeldsen Jens (DEN)2411Brautsch Soren (DEN)22141-021 ≣D24It (c)
376Klementys Jerzy (...1883Krasnodebska Magd...19960-120 ≣D24It (open)23 May 2007
62Knaak Rainer (GER)2530Suetin Alexei S (...23271-026 ≣D24?
77Knaak Rainer (GER)2485Efimov1-021 ≣D24It (open) \
140Kogeler ABouwmeester J1-018 ≣D24corr.
132Koleoso MPlank Peter (GER)20600-115 ≣D24It (open) (b)
491Koller Martin (CZE)1823Cermak Jan (CZE)15441-026 ≣D24It (open)01 Sep 2012
11Kolvig Bent (DEN)2244Korning Peter (DEN)1-026 ≣D24Ch Denmark
232Komhard Oliver (GER)2033Schulz Klaus-Juer...24060-124 ≣D24It (open)
251Komljenovic Davor...2514Cifuentes Parada ...24900-125 ≣D24It (open)
15Korelov Alexander...2375Miezis Normunds (...25341-021 ≣D24Ch Latvia
51KorhonenFlohrer1-016 ≣D24Europe Tournament...
121Kormanyos Zoltan ...2314Sapi Laszlo (HUN)22751-013 ≣D24Ch Hungary (team)
81Kotlyar Gregory (...2306Dahl Peter1-026 ≣D24It (active)
453Koval V (UKR)2270Solovyev Artem (UKR)20970-111 ≣D24Cup Anatoly Ermak...27 Jun 2010
181Krallmann Matthia...2240Juergeleit Andrea...21911-025 ≣D24Oberliga NRW 1995/96
61Krasenkow Michal ...2608Bokuchava Aleksan...0-119 ≣D24Tournament (team)
47Kruger Benjamin RBerrocoso Tony1-024 ≣D24Ch British Columbia
462Kryakvin Dmitry (...2591Kostyuchenko Vlad...21061-021 ≣D24Memorial M.Chigor...29 Oct 2010
311Kudlacek FranzFrommann Waldemar0-123 ≣D24It (open) (seniors)08 Apr 2004
256Kudris VStjazhkina Olga (...23371-026 ≣D24Memorial A.Petrov...
166Kueppers AngelikaSchmetzer Judith1-025 ≣D24Ch Mittelrhein (j...
225Kulcsar Miklos (HUN)2104Hoang Minh T1-022 ≣D24It (sheveningen)
366Kuligin Evgeni (RUS)2336Ovetchkin Roman (...25571-024 ≣D24Ch Russia (1/2 fi...16 Mar 2007
28Kusky A2200Tukmakov Vladimir...25600-123 ≣D24Ch World (students)
104Lafrese LeeReichman Andre (USA)21801-013 ≣D24Ch USA (corr.)
482Laurain Dominique...1981Savalle Nicolas15301-025 ≣D24It (open)26 Dec 2011
193Lazarev Vladimir ...2500Gambee Kevin (FRA)21471-023 ≣D24It (open)
363Leczycki Pawel (POL)1879Krasnodebska Magd...19960-119 ≣D24Tournament (open) \13 Feb 2007
485Likavsky Tomas (SVK)2486Dimitrijevic Radm...22591-018 ≣D24It (open)10 Apr 2012
146Linna AskoMolarius Reijo (FIN)1-020 ≣D24?
411Liodakis Konstant...1892Mazarakis Apostolos0-125 ≣D24Ch Greece (junior...12 Oct 2008
157Lopez Pando Franc...Alvarez Jose_ (CUB)23901-023 ≣D24Ch Asturias (team...
109Lower Spencer (USA)2276Duncan Jason (USA)22121-025 ≣D24It (open)
194Lukacs Peter (HUN)2520Vadasz Laszlo (HUN)23201-016 ≣D24It (a)
108Machno AHeap David0-112 ≣D24World Tournament ...
264Madriga Bonals LuisVidal Matos Ricar...18020-118D24It (c)
458Magnussen Helge (...2139Petersen Soren Bo...22680-124 ≣D24It (open) \15 Aug 2010
25Majchrak JosefSchrancz Istvan (...22700-126 ≣D24It
97Majer Damir (GER)2256Falk Thomas (GER)21161-023 ≣D24Ch Hessen (qual)
315Malakhatko Vadim ...2571Karpatchev Aleksa...24881-024 ≣D24It (open)
414Malakhatko Vadim ...2633Humeau Cyril (FRA)22031-023 ≣D24It (active) \25 Oct 2008
312Martic Zlatko (CRO)2297Mrdjen David (CRO)20141-026 ≣D24Cup Croatia (team)
352Marx Alexander1642Marx Horst11981-023 ≣D24It (open) (b)25 May 2006
297Maupin Valerie (FRA)2012Michiels Bart (BEL)24530-126 ≣D24It (open)
186Maurer MarkusGoralski Christia...21450-121 ≣D24VK4 1995/96
229Meiser Markus (GER)2222Rasch Dieter (GER)20421-023 ≣D24Hessenliga 1998/99
326Meurrens Peter (BEL)2228De Bruycker Berna...22111-025 ≣D24Ch Belgium (team)...27 Feb 2005
324Meza Gabriela (ARG)2098Velazquez Gustavo...20911-025 ≣D24It (open)14 Jan 2005
469Misiuk KarolinaMisiuk Emilija1-017D24Ch Lithuania (jun...20 Mar 2011
71Molinaroli Martin...2288Hoellmann Ludger ...21421-016 ≣D24Tournament
224Molnar Laszlo (HUN)2140Hoang Tri (HUN)21421-022 ≣D24It (sheveningen)
339Morgenstern Petra...2036Bollmann Rolf16031-015 ≣D24It (open) (b)04 Oct 2005
30Munder MKuhler W1-026 ≣D24Tournament
44Muse Mladen (CRO)2443Heinbuch Detlef (...22951-019 ≣D24It (open)
4Najdorf Miguel (POL)2445Souza Mendes Joao1-026 ≣D24Zt
358Natsidis Christop...2177Malada Vinko (CRO)22200-122 ≣D24It (cat.1)13 Aug 2006
303Nguyen Dinh Quang...2116Nguyen Cong Thanh...1-019D24Ch Vietnam (junio...16 Jul 2003
31Nickoloff Bryon (...2403Morin Glenn1-020 ≣D24Ch Canada (junior...
143Nohl HansjoergSeiler Andreas (GER)22521-018 ≣D24It (open)
333Obodchuk Andrei (...2426Prassas Georgios ...20311-022 ≣D24It (open) \13 Jul 2005
187Ogiewka Rafal (POL)2065Fojudzki Tomasz (...21211-025 ≣D24Ch Poland (team) ...
291Ortega Hermida Da...2396Mengual Bolo Carl...21101-026 ≣D24It (b)
238Ortiz Eduardo (PHI)2358Martinez Rolly (PHI)24111-022D24Ch Philippines
321Papenin Nikolai (...2391Khamitskiy Sergei...22300-124 ≣D24It (b)
270Paquico Rodriguez...2104Gonzalez Lopez Ma...19151-022 ≣D24Ch Spain (juniors...
21Passier HBund K1-023 ≣D24corr.
314Pavlidis Anastasi...2002Nikolarakis Emman...1-018D24Ch Greece (junior...27 Jun 2004
113Pedersen Steffen ...2360Stefansson Hannes...24450-123 ≣D24Cup Arnold
34Peev Peicho (BUL)2284Inkiov Ventzislav...24501-025 ≣D24It
191Pelletier Yannick...2465Gruener Adrian (SUI)19481-023 ≣D24It (open) \
353Peralta Fernando ...2574Marquinez Cabreja...21041-021 ≣D24Memorial Narciso ...
360Peters Tobias (BEL)2029Caufriez Olivier ...19141-021 ≣D24Ch Belgium (team)...03 Dec 2006
440Picart Laurent (FRA)2162Fernandez Clement...16891-022 ≣D24It (open)29 Oct 2009
95Piskov Yury (RUS)2442Grotnes Nils (NOR)21931-024D24It (open)
313Porper Eduard (CAN)2466Wittwer Marcus (SUI)20461-017 ≣D24It (open)14 May 2004
325Portelli Severino...1758Skrinjar Matic (SLO)20900-125 ≣D24It (open) (b)28 Jan 2005
402Pouzet Nolwenn (FRA)2158Ballandras Renaud...16901-019 ≣D24It (open)22 Jul 2008
235Privman Boris (USA)2192Kuperstock Alan1-023 ≣D24It (open)
110Quinn Ciaran (IRL)2111Butler Kevin (IRL)20441-021 ≣D24Cup Branagan
1Rahm IlmariRubinstein Akiba ...0-126 ≣D24Olympiad27 Jul 1930
306Reipschlaeger TomDevendraraj Jeshurun1-021D24Ch Mecklenburg-Vo...
330Repasi Zoltan (HUN)2127Haszon Attila (HUN)18251-011 ≣D24It (open) (b)18 Jun 2005
466Repina Varvara (RUS)2280Chukhlantseva Ann...19331-024 ≣D24It (open) (studen...30 Jan 2011
139Requejo Oswaldo (...2247Galvan Jesus (PER)22261-019 ≣D24It (open)
327Ribicic Mate (CRO)2192Brunski Igor (CRO)21391-025 ≣D24Ch Croatia (team)...16 Apr 2005
367Rigg Gordon (SCO)2110Masters A0-123D24It (open) (challe...18 Mar 2007
239Ritter Uwe (GER)2198Levin Felix (GER)25310-124 ≣D24It (open)
79Rodewis Thomas (GER)2337Gerlach Th1-023 ≣D24Bundesliga 1988/89