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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
109Lower Spencer (USA)2276Duncan Jason (USA)22121-025 ≣D24It (open)
67Kjeldsen Jens (DEN)2411Brautsch Soren (DEN)22141-021 ≣D24It (c)
395Ushenina Anna (UKR)2496Yildiz Betul Cemr...22191-023 ≣D24It (w)18 Mar 2008
358Natsidis Christop...2177Malada Vinko (CRO)22200-122 ≣D24It (cat.1)13 Aug 2006
289Sitnik Igor (SLO)2258Glavas Dragan (CRO)22211-024 ≣D24It (cat.4)
337Kanjuh Vladimir (...2090Aksentijevic Mali...22210-123 ≣D02It (open) \16 Aug 2005
380Capo Vidal Uriel ...2356Salazar Carlos (PER)22221-019 ≣D24Ch South America17 Jul 2007
136Saljova Silvie (CZE)2142Chura Jan (CZE)22221-017 ≣A46It (open)
139Requejo Oswaldo (...2247Galvan Jesus (PER)22261-019 ≣D24It (open)
252Frei Peter (GER)2006Fischer Andre Kla...22270-118 ≣A06Ch Baden-Wuerttem...
153Hellborg Teodor (...2267Dedorson Tomas (SWE)22301-016 ≣D24Ch Sweden (team)
52Donaldson-A Elena...2375Vokralova Stepanka22301-019 ≣D24Izt (w)
320Rube Alexander (RUS)1981Nakhapetiane Pogo...22300-125 ≣D24Ch Privolzhskogo ...
321Papenin Nikolai (...2391Khamitskiy Sergei...22300-124 ≣D24It (b)
309Adly Ahmed (EGY)2482Kolcak Marek (SVK)22311-025 ≣D24It (open)02 Mar 2004
346Ivakhinova Inna (...2244Karibaeva Elvira ...22331-024 ≣D02Ch Russia (junior...
141Dinckel Joerg (GER)2025Putzbach Gerd (GER)22340-120 ≣D24It (open)
199Annakov Babakuli ...2380Medvedkov Anton (...22351-021 ≣D24It
55Titorenko Natalia...2143Putjatina Nadezhd...22350-125 ≣D02?
7Esposito AlfredoMonostori Lajos (...22401-022 ≣D24Ch Club Argentino
106Jellinghaus Lars ...2203Kummerow Heiko (GER)22400-112 ≣A46It (open)
450Fernandes Silas C...2081Viana Dirceu (BRA)22450-126 ≣D20Tournament22 May 2010
66Schroer Jonathan ...2359Blankenau Mike P ...22481-017 ≣D24It (open)
160Gross Georg (GER)2310Valenta Vit (CZE)22501-017 ≣D02It (open)
143Nohl HansjoergSeiler Andreas (GER)22521-018 ≣D24It (open)
138Komljenovic Luka ...2228Krallmann Matthia...22520-122 ≣D02It (open)
247Rek Krzysztof (POL)2043Tomczak Rafal (POL)22530-125 ≣D02Ch Poland (team) ...
198Borg Andrew (MLT)2105Dimitriadis Georg...22551-024 ≣D02It (open)
485Likavsky Tomas (SVK)2486Dimitrijevic Radm...22591-018 ≣D24It (open)10 Apr 2012
407Pozzo Sebastian (...1960Petersen Soren Bo...22590-123 ≣D02It (open) \17 Aug 2008
107Babu N Sudhakar (...2365Kamath SJ (IND)22601-020 ≣D24It (open)
50Clausen Steen (DEN)2285Fridjonsson Juliu...22650-117 ≣D02It (open)
329Fingerov Dmitry (...2358Viliavin Roman (UKR)22651-024 ≣D24Ch Ukraine (1/2 f...22 May 2005
465Vojta Pavel (CZE)2197Ringel Zbynek (CZE)22680-126 ≣A46Czech League 2010...23 Jan 2011
458Magnussen Helge (...2139Petersen Soren Bo...22680-124 ≣D24It (open) \15 Aug 2010
25Majchrak JosefSchrancz Istvan (...22700-126 ≣D24It
262Franek Jan (FRA)1765Holland Christoph...22701-019 ≣A46It (c)
120Reddmann Hauke (GER)2338Krallmann Matthia...22700-126 ≣D02It (open)
172Toth Bela (ITA)2400Kaufmann Werner (...22701-024 ≣D24Ch Switzerland (t...
121Kormanyos Zoltan ...2314Sapi Laszlo (HUN)22751-013 ≣D24Ch Hungary (team)
185Annakov Babakuli ...2360Loginov Anton (RUS)22750-17 ≣D24Memorial A.Alekhi...
18Liptay Laszlo (HUN)2335Sapi Laszlo (HUN)22750-121 ≣D02Ch Hungary
423Bargan Svetlana (...2019Bulmaga Irina (MDA)22770-120 ≣A46Ch Moldova (w)23 Jan 2009
271Subrt Jaroslav (CZE)2178Vyskocil Neklan (...22790-118 ≣D20It (open) \
22O'kelly De Galway...2460Davie Alexander M...22801-012 ≣D02It
260Chalmeta Torredem...2006Chalmeta Ugas Ram...22810-118 ≣D02It (open) \
35Schwanek Carlos (...2375Tovillas Daniel R...22821-013 ≣D24Ch Argentina (jun...
249Belunek Vladimir ...2258Sobek Jaroslav (CZE)22821-014 ≣A46Moravian League 1...
236Beck Hartmuth (AUT)2235Zoebisch Herbert ...22831-025D24It (open)
481Babaev Talyb (AZE)2325Arakeljan Armen M...22871-024 ≣A06It (cat.6)20 Dec 2011
317Bonade Massimo (ITA)2093Broomfield Matthe...22880-123 ≣D24It (open)06 Jul 2004
58Bellon Lopez Juan...2405Moran Nuque Berna...22901-026 ≣D24It (b)
280Budnikov Oleg (UKR)2408Tishin D (UKR)22911-023 ≣D24Ch Ukraine
44Muse Mladen (CRO)2443Heinbuch Detlef (...22951-019 ≣D24It (open)
13Gereben Erno (SUI)2320Sanner Dennis (GER)22971-015 ≣D24It
386Reichenbacher Ger...1899Vedder Richard (NED)22970-118 ≣A06It (open)11 Aug 2007
208Veneteanu Ion Cri...2217Popescu Cristian ...23001-024 ≣D24It (b)
231Veingold Aleksand...2460Hjelm Niclas (SWE)23061-025 ≣D02It \
163Hirn Oskar (GER)2265Lentrodt Thomas (...23071-011 ≣D02Bayern Oberliga 1...
460Krastev Krasimir ...1973Ivanov Stojan (BUL)23090-122 ≣A46It (open)08 Sep 2010
215De Jonge Henk (IRL)1990Jonkman Harmen (NED)23100-121 ≣D02It (open)
216Malakhatko Vadim ...2435Zakharchenko Arno...23101-025 ≣A06Ch Kiev
226Filippov Valerij ...2605El Arousy Abdul H...23191-022 ≣A06It (open)
194Lukacs Peter (HUN)2520Vadasz Laszlo (HUN)23201-016 ≣D24It (a)
8Hottes Dieter (GER)2184Bialas Wolfram (GER)23251-024 ≣D24Ch BRD
323Kirschbaum Gunnar...2215Vlassow Valentin ...23260-126 ≣D24It (open)30 Dec 2004
341Sulava Nenad (CRO)2512Giertz Niklaus (SUI)23271-019 ≣D02It (open)02 Jan 2006
62Knaak Rainer (GER)2530Suetin Alexei S (...23271-026 ≣D24?
64Yuneev Alexey (RUS)2425Barishev Oleg (RUS)23301-023 ≣D24Match \
436Fanaskov Artem (RUS)1998Sazhinov Alexande...23310-122 ≣A46It (open) \25 Aug 2009
174Berkes JoergMueller Oliver (GER)23311-022 ≣D24It (open)
178Kinsman Andrew P ...2400Shaw John (SCO)23351-026 ≣D24It (cat.4)
256Kudris VStjazhkina Olga (...23371-026 ≣D24Memorial A.Petrov...
93Rotstein Arkadij ...2515Bernard Ryszard (...23391-021 ≣A06It (open)
202Miranda Marcio M ...2295Loureiro Luiz (BRA)23401-022 ≣A06It
179Ward Christopher ...2460Duncan Christophe...23401-024 ≣D24It (open) \
220Subrt Jaroslav (CZE)2131Shushpanov Vladim...23400-126 ≣D02It (open)
188Gorbatov Alexej (...2415Alavkin Arseny (RUS)23450-125 ≣D24Cup Russia
114Khenkin Igor (GER)2570Grotnes Nils (NOR)23450-123 ≣D02It \
281Sanz Arilla Luis ...2172Baron Rodriguez J...23450-121 ≣D24Cup Zaragoza
342Bocharov Dmitry (...2577Grishchenko Serge...23481-014 ≣D24It (open)02 Feb 2006
206Cebrian Valverde ...2142Baron Rodriguez J...23500-117 ≣D24Ch Aragon
154Khenkin Igor (GER)2580Gurevich Gregory ...23501-021 ≣D02Ch Israel
254Gormally Daniel (...2499Krush Irina (USA)23541-022 ≣A46It (cat.7)
137Saljova Silvie (CZE)2142Manik Mikulas (SVK)23551-021 ≣D02It (open)
259Fraser-Mitchell J...2120Sherwin James T (...23570-125 ≣D24It (open)12 Nov 2000
242Paulsen Viktor (NOR)1971Feoktistov Alexey...23590-125 ≣D02It (open)
76Estremera Panos S...2379Schulz Klaus-Juer...23650-126 ≣D24It (open)
364Benitah Yohan (FRA)2421Terrieux Kevin (FRA)23671-023 ≣D24It (cat.9)23 Feb 2007
279Al-Khaja Arif (UAE)2102Sarwat Walaa (EGY)23710-126 ≣D02It \
63Komarov Dimitri (...2519Karasev Vladimir ...23721-025 ≣D02Ch Leningrad
422Cubas Pons Juan (...2224Pons Sastre Santi...23800-121 ≣D02It (cat.3)02 Jan 2009
196Gil Capape Javier...2440Baron Rodriguez J...23801-019 ≣D02It
33Toshkov Tihomir (...2455Kourkounakis Ilia...23811-015 ≣D02It \
37Szilagyi Gyorgy (...2370Castro Oscar H (COL)23820-122 ≣A16It (2)
78Horvath Jozsef M ...2104Petran Pal (HUN)23841-024 ≣D02It (2)
59Doroshkievich Vla...2420Karpeshov Oleg (RUS)23840-18 ≣D02?
241Pogorelov Ruslan ...2489Estremera Panos S...23871-010 ≣A06It (open)
355Emmenecker Philip...2195Brochet Philippe ...23880-124 ≣D02Ch Paris (open)12 Jul 2006
157Lopez Pando Franc...Alvarez Jose_ (CUB)23901-023 ≣D24Ch Asturias (team...