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QGD; Semi-Tarrasch Defence 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5

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
948Pogromsky Mikhail...2438Khazov Anton1-021 ≣A05Ch UrFO (open)25 Mar 2012
379Plackmeyer JanWronn Bernd (GER)21920-112 ≣A46It (open)
952Piroha Miroslav1963Galvanek Ladislav...20430-129 ≣A06Ch Region06 May 2012
60Pirc Vasja (YUG)Porreca Giorgio (...1-024 ≣A05Match \
510Pirchner Hans (AUT)1991Strasser Josef (GER)19701-027 ≣D02It (open)
219Piontek HKeskowski Thilo (...21271-021 ≣D41corr.
936Pimenta Jeronimo ...2096Figueiredo Jr Wag...17001-014 ≣D06Ch Brazil (1/2 fi...01 Nov 2011
378Piket Jeroen (NED)2630Van Wely Loek (NED)26551-029 ≣A46Tournament (active)
918Pietrzak Tomasz (...1943Snihur Adam (POL)15831-029 ≣A06Tournament (open)20 May 2011
882Pietrzak Tomasz (...1961Powalka Michal (POL)13161-028A05Tournament (Elo)02 Oct 2010
970Phan Nguyen Ha NhuLe Thai Hang1-023 ≣D40Ch Vietnam (team)...05 Aug 2012
52Pfeiffer Gerhard ...Dahl Herbert1-018 ≣A05Ch Berlin
855Petukhov Dmitry (...2309Fedukin Alexandre...19091-022 ≣A13Ch City25 Feb 2010
279Petrungaro Omar (...1913Benko Francisco (...20360-128 ≣A05It (open) \
105Petras Jan (CZE)2085Szakall Frantisek1-025 ≣E10Ch Czechoslovakia...
161Petkevich Jusefs ...2380Luczak Andrzej (POL)23701-028 ≣A06It
392Pert Nicholas (ENG)2240Eynon David (SCO)20551-028 ≣D02Cup Glorney (a)
782Persson Stellan (...2133De Los Heros Torr...17321-023 ≣A15It (open) (amateurs)10 Oct 2008
606Perrin RichardCoburn Joe1-015 ≣D41It (open)09 Nov 2003
738Perlovskiy Viktor...2000Ezhov Aleksey (RUS)18231-029 ≣A46Ch City (1/2 fina...18 Oct 2007
10Perlis Julius (AUT)Reti Richard (CZE)0-129 ≣D02It
430Perez Lopez MarcosJavier Baragano1-023 ≣D41Ch Spain (team) (...
469Perez Lopez Jesus...2104Gonzalez Gonzalez...1-024A46Ch Asturia (team)...
276Perez Diaz AlejandroFranco Ocampos Ze...24900-123 ≣E00It (open)
758Peredy Ferenc (HUN)2252Sarmir Milos (SVK)20861-019 ≣E00It (open)29 Apr 2008
846Percivaldi Martin1718Manukyan Artyom0-119 ≣D30Ch World (juniors...22 Nov 2009
339Pelletier Yannick...2440Luber Roger (SUI)20241-018 ≣D41It (open)
851Pehal Ludek1817Kratochvil Milan ...21450-120 ≣A17Czech League 2009...
437Peek Marcel (NED)2335Donovan Linton (BEL)22621-028 ≣A40It (open)
501Pecnik Primoz (SLO)1807Hrovat Jaka0-121 ≣A31Ch Slovenia (team...
216Paulus HGroeber E1-027 ≣D30corr.
974Paulsen Dirk (GER)2378Barwich Andreas (...19451-026A09It (open) \22 Aug 2012
234Paul HDBerndt Klaus (GER)21640-121 ≣A06corr.
566Partys Tatiana (RUS)2042Tiumentsev Andrey...22531-021 ≣D02Cup Russia (open)
389Pantoja JaimeMedina Karla1-017 ≣D41Memorial C.Torre
832Pantin Kevin (FRA)1599Cofman Veaceslav ...19250-119 ≣E10It (open)06 Aug 2009
328Panchenko Alexand...2480Plaum S1-022 ≣A40It (open)
817Palmero Pablo (ARG)2139Colantonio Mauro ...19271-024 ≣A40Ch Argentina (1/2...06 May 2009
154Palatnik Semon (USA)2448Gofshtein Zvulon ...25041-017 ≣D41?
675Palacios Zambrano...1960Veloz Jose (ECU)18541-022 ≣D40Ch Ecuador (junio...11 May 2006
963Paikidze Nazi (GEO)2381Sahin Gizem (TUR)15781-028 ≣A40Ch Turkey (team)16 Jul 2012
218Paehtz Thomas (GER)2515Andrijevic Milan ...23951-024 ≣E10?
78Pachman Ludek (GER)2278Neikirkh Oleg N (...23701-026 ≣A17Izt
502Pacheco Garri (PER)2224Caceres Jose1-025 ≣D02Ch Peru (regional)
965Ozturk Kubra (TUR)2296Sahin Gizem (TUR)15781-023 ≣D30Ch Turkey (team)22 Jul 2012
611Ovchinnikova Alek...Pyatkova Tatiana ...18540-125 ≣A06Ch Russia (junior...
254Ostenstad Berge (...2469Sutter Oliver (SUI)23541-028 ≣A05It (b)
716Ossa Juan Sebasti...1734Salazar Ricardo (...20250-127 ≣A46Tournament (Elo)06 May 2007
715Ossa Juan Sebasti...1734Mateus Martha (COL)21630-126 ≣D02Tournament (Elo)04 May 2007
932Ospina Ortiz Osca...1966Jimenez Leonardo ...18491-020 ≣D02It (team)17 Oct 2011
73Osnos Viatcheslav...2384Klaman Konstantin...0-124 ≣E00Ch URS (1/2 final)
569Orso Janos (HUN)2275Szirmai Eduard (HUN)21750-120 ≣D40It (open)05 Jan 2002
106O'Riordan KennethHanrahan M1-019 ≣D02Ch City
808Orekhov Nikolai (...1790Barbarickiy Yuri ...19750-19 ≣A09Tournament (Elo)15 Feb 2009
155Opl Klaus (AUT)2279Rasmussen Karsten...24241-027 ≣E00Cup Mitropa
86Ophoff Rigobert (...1999Latko1-016 ≣E00Ch OWL
667Onasch Gunnar1909Kilp Gunnar16111-027 ≣D40Landesliga (2nd) ...29 Jan 2006
121Olafsson Fridrik ...2434Lombard Andre (SUI)23501-023 ≣A13Zt
436Okamura Milton Ka...2240Osorio Machado Jo...1-027 ≣A05It (open)
286Ohlsson BertilFlodmark Stig0-129 ≣D40Ch Sweden (corr.)
586Offringa Tjaart (...2100Kraetz Jacques1-020 ≣E10It (open) (junior...
878Oberholzer FrancoisAkgun Kaan (TUR)16800-114A46Ch World (schools)26 Jul 2010
869Nyzhnyk Illya (UKR)2538Itkis Boris (ROM)24151-029 ≣E10Memorial V.Naboko...12 Jun 2010
164Nunn John D M (ENG)2515Wells Peter K (ENG)24971-025D30It (open) \
921Ntalabiras Spiros...1822Gougis Antonios (...16091-027 ≣D40Tournament (Elo)12 Jul 2011
573Novikov Igor A (USA)2598Edelson Jack L16441-015 ≣D30Ch Nassau28 Oct 2002
417Novikov Igor A (USA)2545Podgaets Mikhail ...24751-024 ≣E10It (open)
248Novak Pavel (CZE)2370Netusil Miroslav ...23180-124 ≣A13Ch Czechoslovakia...
588Novak Frantisek (...2031Estocak Martin (CZE)16990-125 ≣D06It (open)
617Nottenkaemper Fra...1603Zeldin Leonid (GER)21150-123 ≣A06It (open)22 May 2004
215NitzscheGrabowski1-026 ≣D30corr.
468Nilssen John Arni...2326Skovgaard Tom (DEN)20421-028 ≣D41It (open)
494Nill Jessica (GER)2206Schoeler Klaus1-029 ≣A46It (open)
601Nill Jessica (GER)2256Hilker Bjoern (GER)19761-026 ≣D02Ch Frankfurt12 May 2003
146Niklasson Christe...2350Ekstroem Roland (...24861-028 ≣D41Ch Sweden
799Niel Jean-Francoi...1843Perrin Julien (FRA)16631-023 ≣D02It (open)29 Dec 2008
560Niedergesaess Her...2008Stark Ingo (GER)21630-124 ≣A17It (open)
444Nguyen Xuan VinhHuynh Huu Tan Thanh1-022 ≣A46Ch Vietnam (active)
777Nguyen Thanh Luan...Pham Nhat1-026 ≣D40Ch Vietnam (team)18 Aug 2008
446Nguyen Ngoc Thao ...Nguyen Thi Huong0-129 ≣D40Ch Vietnam (w)
583Neverov Valeriy (...2536Roghani Arash (IRI)23461-022 ≣A40It (open)
520Neuillet Alexandr...2226Broca Alexandre (...21311-027 ≣D02Ch France (team) ...
657Nenasheva DianaBerezka Liubov1-025D40Ch Ukraine (junio...25 Oct 2005
768Nemec Miloslav (CZE)1919Okorn Nejc (SLO)18500-115 ≣A06It (open)04 Jul 2008
277Neff Sergei (EST)2229Meier Thomas (GER)22241-024 ≣A40It (open) (b)
827Nava Baro Enrique...2201Dominguez Garcia ...19841-026 ≣A46It (open)16 Jul 2009
550Naumov Vitaly (RUS)Sazonnik Konstant...1-024 ≣A06Ch Russia (junior...
747Narman Gokhan (TUR)2115Erdogan Hakan (TUR)22631-025 ≣E00Ch Antalya (open)06 Feb 2008
125Napolitano Mario ...Balogh Janos (HUN)1-028 ≣D32?
135Napolitano Mario ...Mostert Henk1-029 ≣A09?
897Nakauchi Ray668Stavrou Michael0-126 ≣D06It (open) \08 Jan 2011
470Najer Evgeniy (RUS)2562Pinkas Karol (POL)23561-028 ≣D41It (open)
765Najdzionek Bolesl...1938Opolski Wojciech ...17391-026 ≣D40It (open) \15 Jun 2008
77Najdorf Miguel (POL)2445Engels Ludwig (GER)1-028 ≣D41Zt
41Najdorf Miguel (POL)2445Milner Barry Phil...1-029A46It
72Najdorf Miguel (POL)2445Sliwa Bogdan (POL)22351-027 ≣A17Memorial A.Alekhine
740Nairi Laurent (FRA)1904Rzepecka Dorota (...19131-019 ≣A17Tournament (Elo) (b)16 Nov 2007
330Nagy Beata T (HUN)2098Torres Flores Raf...21451-028 ≣D02It (open)
600Nagle Sean (USA)2397Moldobaev Emelbek...23881-021 ≣E10Dos Hermanas Qual...18 Mar 2003
225Nagatz Frank (GER)2259Schoebel Wolfgang...22501-026 ≣D30Tournament (team)