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QGA; Classical Variation 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6

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
25Ogaard Leif (NOR)2408Wostin Rik H (BEL)22501-024 ≣D26Olympiad
293Olafsson Helgi (ISL)2270Thorfinnsson Brag...23771-020 ≣D02Ch Iceland (team)...27 Sep 2009
265Olamaei AlirezaNigmatov Ortik0-126 ≣D02Ch Asia (juniors)...21 Jul 2008
235Olshansky Alexand...2207Goncharenko Nikolay1-025 ≣D26Memorial V.Dorosh...03 Jun 2007
136Orzech Dominik (POL)2251Knap Jerzy (POL)20221-020 ≣D26It (open)
33Ostermeyer Peter ...2410Jacoby Gisbert (GER)21741-028 ≣D26Bundesliga 1981/82
181Otten Colleen (NED)2100Muhren Bianca (NED)23430-128 ≣D02Ch Netherlands (1...16 Mar 2004
19Padevsky Nikola (...2355Balcerowski Witol...21841-024 ≣D26?
337Pak Evgeniy (KAZ)Akhmetov Ayan1-027 ≣D02Tournament \27 Aug 2011
122Patino Andreu J RConstantino Gonzalez1-024 ≣D26Tournament
145Paunovic Dragan (...2522Casas Castillero ...18341-028 ≣D02It (open)
249Pavlidis PaulosChanturia Nikoloz1-07 ≣D30Ch World (juniors...28 Nov 2007
291Pelagatti Alessan...2206Cayla Jonathan (FRA)18541-016 ≣D02It (open)
104Peric Slavisa (SRB)2370Bourdon1-018 ≣D02It (open)
35Pinter Jozsef (HUN)2515Falcon Raymond (PUR)22101-028 ≣D02Olympiad
201Pintor Simao Maci...1797Alves Bruno Alexa...17721-029 ≣D26Ch Portugal (open))08 Aug 2005
250Plichta Kamil (POL)1990Eggink Mateusz (POL)17331-024 ≣D20Memorial W.Ehrenf...28 Dec 2007
146Polak Tomas (CZE)2478Martinez Martin D...23271-020 ≣D20It (open)
66Polgar Zsuzsa (USA)2545Galliamova Alisa ...24351-026 ≣D26It (active)
272Prohaszka Peter (...2502Rapport Richard (...23231-027 ≣D02Ch Hungary (team)...02 Nov 2008
321Protopopova Anast...1769Belova Tatyana1-020 ≣D26Ch Region (open) (w)21 Nov 2010
309Przybyla Andrzej ...1434Tomys Wiktoria1-027 ≣D26Ch Poland (team) ...07 Jul 2010
52Pyda Zbigniew (POL)2322San Segundo Carri...24101-027 ≣D26Ch World (students)
61Pyrich George (SCO)2014Duncan Christophe...23150-125 ≣D26Ch Scotland
318Quesada Cordoba Y...Abril Bernal Jhon...19580-119 ≣D00Tournament
110Quintin MRousselet Christo...19610-122 ≣D26It (open) (b)
141Raffalt Manfred (...2186Regatschnig Horst...18571-025 ≣D21It (open)
248Ribicic Mate (CRO)2225Radmanovic Lazar ...19291-023 ≣D21It (open)26 Nov 2007
94Riemersma Liafber...2455Cifuentes Parada ...25550-129 ≣D20It (cat.10)
92Roca Petronio (PHI)2365Martinez Rolly (PHI)24111-017 ≣D02It (open) \
124Romanov Oleg (BLR)2380Levin Felix (GER)25280-130 ≣D26It (open)
1Rosenthal Samuel ...Gifford H (ENG)1-021 ≣D21
12Rossetto Hector (...2285Jost Felix1-030 ≣D02Olympiad
179Roussel-Roozmon T...2425Bolduc Steve (CAN)21921-029 ≣D26It \
290Roux Jean-Francoi...1659Dumas Victor (FRA)18061-014 ≣D26It (open)11 Jul 2009
50Ruban Vadim (RUS)2575Ibragimov Ildar (...24850-129 ≣D26Ch Russia
205Rubel Julian (GER)2107Geisser Gerd (GER)19751-014 ≣D26It (open)
5Rubinstein Akiba ...Duras Oldrich (CZE)1-027 ≣D02It
183Rzakuliev Shamil ...2008Piskunov Aleksand...1-025 ≣D26Ch Russia (junior...
74Sadurni Villarong...Elias Aubia Salva...17301-021 ≣D21Ch Catalunia (b)
295Safar Reem (QAT)1705Nodirjanova Nodir...21420-123D26Ch Asia (team) (a...06 Nov 2009
225Safyanovsky Mark ...2289Vachulka Miloslav...19091-016 ≣D26It (open)20 Jan 2007
43Sairanen UrpoLehtinen Tero0-121 ≣D26It (open)
303Samardzija Zeljko...1856Dzunic Vladimir (...21030-116 ≣D26It \25 Mar 2010
217Sanchez Junco Jon...1896Moreira Javier1-021 ≣D26Tournament (open)21 Jul 2006
277Saric Ante (CRO)2486Gombac Jan (SLO)23011-022 ≣D26It (open)
166Sarno Spartaco (ITA)2412Rotundo Raffaele ...19881-017 ≣D02It (festival)
194Sasikiran Krishna...2663Markowski Tomasz ...25821-029 ≣D26It (open) \18 Feb 2005
81Schenk Uwe Dr (GER)2189Brassat J1-027 ≣D02It (open)
73Schroth GerhardWinkler Friedrich1-019D02Ch Bahn (N)
241Scibior Adam (POL)2101Golinski Damian (...18781-028 ≣D20Ch Pocztowiec12 Oct 2007
242Sedova Evgenia (RUS)1880Shutova Tatiana (...17821-030 ≣D02Ch PriFO (juniors...
325Selnes Odd Ketil ...1807Cengija Vanja (CRO)22670-122 ≣D26Ch North Norway (...22 Feb 2011
167Sery OkouDomingos Catarino...22270-126 ≣D05Ch Africa (team)
226Sharevich Anna (BLR)2289Minina Alena (BLR)20841-026 ≣D02Ch Belarus (w)06 Mar 2007
315Siqueira GustavoOfenheim Alexandr...16391-021 ≣D02Ch Paulista21 Aug 2010
125Sirotkina Nina (RUS)2274Sorokina Anastasi...21891-025 ≣D26It \
343Skalicky Tomas1914Haman Jakub21340-129 ≣D26Extra League 2011...21 Jan 2012
346Smith Chris PRikhardsdottir Sv...0-120 ≣D21It (open)11 Mar 2012
192Sokolov Ivan (NED)2663Levin Felix (GER)24981-027 ≣D26Bundesliga 2004/0511 Dec 2004
207Soldo Robert (CRO)2165Miletic Viktor (CRO)1-023 ≣D21Ch Croatia (team)...02 Apr 2006
327Somogyi Gabor (HUN)2003Mayer Istvan (HUN)20631-025 ≣D26Tournament (Elo) (b)09 Jun 2011
44Southam David (CAN)2086Nadorp1-029D26It (open)
323Souza Adwilhans (...2331Chemin Vitorio (BRA)21931-030 ≣D02Memorial Jose Jab...
282Spassov Liuben (BUL)2427Fidalgo Fernandez...21311-030 ≣D21It (open)05 Apr 2009
196Sriram Jha (IND)2453Ortells Perez Vic...21021-019 ≣D02It (open)14 Jun 2005
137Stein Daniel (BRA)1758Nioduschewski Nils1-022 ≣D26It (open)
2Steinitz Wilhelm ...Gunsberg Isidor A...1-028 ≣D26Ch World (match)
48Stoeber Michael (...2296Wilhelm O1-022 ≣D26It (open) \
82Stupica Janez (SLO)2262Podkoritnik S21401-029 ≣D26Ch Slovenia (team...
18Suarez (PUR)Lantsias Andreas1-025 ≣D02Olympiad
231Suchomel Ales (CZE)Gregor Jiri (CZE)1-029D26Czech League 2006...21 Apr 2007
185Sultangareev Mara...2332Matveev Mikhail (...21671-023 ≣D26Ch Russia (students)05 May 2004
215Sumets Andrey (UKR)2523Podgursky Sten (MDA)21931-019 ≣D26It (cat.6)11 Jun 2006
98Summerscale Aaron...2455Poulsen Kim Hjort...20881-016 ≣D26It (open)
42TaylorBryan C1-030 ≣D26corr.
164Tholey Jean-Paul ...2027Riviere Jerome0-129 ≣D26It (open)
112Tjiam Dharma (NED)2344Goralski Christia...21061-021 ≣D26VL2 1999/00
353Tovmasian Vardges...2420Nester Igor (UKR)23151-030 ≣D26Cup University (c...17 Aug 2012
99Ulibin Mikhail (RUS)2555Karpatchev Aleksa...25151-027 ≣D02Ch Russia
322Vales Vaclav (CZE)2193Valtr Filip19131-013 ≣D02It (open)26 Nov 2010
153Varga Csaba (HUN)2160Fodor Istvan (HUN)20561-024 ≣D26Tournament (Elo)
287Vassiliev G (RUS)2163Morozovich Vladislav1-024 ≣D20It (open)20 Jun 2009
132Vennemann Juergen...1937Feldmann Gerhard19651-029 ≣D26Ch Mittelfranken ...
30Vinje-Gulbrandsen...2335Angantysson Hauku...24251-030 ≣D26It (open)
258Vogel Robert (GER)2276Wiesbeck Florian ...20101-025 ≣D26It (open)07 Mar 2008
131Voloshin Leonid (...2453Kalkhof Stefan (GER)21951-018 ≣D02It (open)
212Vrsek Ivan (CRO)2103Miletic Luka1-027 ≣D21Ch Croatia (junio...18 Apr 2006
6Wagner ASchropp A1-018 ≣D02Tournament \
38Wasnetsky Ursula ...2050Kuenzner Franz (GER)23061-020 ≣D26Match \
68Wubben Marcel (NED)2093Taconis Henk1-025 ≣D26It (open)
142Yakovich Yuri (RUS)2588Skytte Rasmus (DEN)23491-021 ≣D02Cup Rilton
170Yakovich Yuri (RUS)2585Reutsky Sergei (RUS)23181-029 ≣D26It (cat.10)
206Yuffa Daniil (RUS)2119Janchenko Roman1-030 ≣D26Ch Russia (junior...
213Zadorozhny AndreyMarchukov Dmitry ...21131-020 ≣D30Ch Ukraine (junio...23 Apr 2006
160Zaja Ivan (CRO)2417Solic Kristina (CRO)21211-019 ≣D02It (open)
16Zaltsman Vitaly F...2445Gabriadze B1-025 ≣D26Ch URS (team) (ju...
106Zielinska Malgorz...2041Wojtylo B1-030 ≣D26Ch Poland (team) ...
240Zierke Oliver (GER)2300Brodowski Piotr (...24251-029 ≣D26It (open)25 Aug 2007
149Zsigardi Gabor1439Kiss Kinga (HUN)20891-021 ≣D26It (open) (b)22 Jul 2001