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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
444Nguyen Xuan VinhHuynh Huu Tan Thanh1-022 ≣A46Ch Vietnam (active)
560Niedergesaess Her...2008Stark Ingo (GER)21630-124 ≣A17It (open)
799Niel Jean-Francoi...1843Perrin Julien (FRA)16631-023 ≣D02It (open)29 Dec 2008
146Niklasson Christe...2350Ekstroem Roland (...24861-028 ≣D41Ch Sweden
601Nill Jessica (GER)2256Hilker Bjoern (GER)19761-026 ≣D02Ch Frankfurt12 May 2003
494Nill Jessica (GER)2206Schoeler Klaus1-029 ≣A46It (open)
468Nilssen John Arni...2326Skovgaard Tom (DEN)20421-028 ≣D41It (open)
215NitzscheGrabowski1-026 ≣D30corr.
617Nottenkaemper Fra...1603Zeldin Leonid (GER)21150-123 ≣A06It (open)22 May 2004
588Novak Frantisek (...2031Estocak Martin (CZE)16990-125 ≣D06It (open)
248Novak Pavel (CZE)2370Netusil Miroslav ...23180-124 ≣A13Ch Czechoslovakia...
573Novikov Igor A (USA)2598Edelson Jack L16441-015 ≣D30Ch Nassau28 Oct 2002
417Novikov Igor A (USA)2545Podgaets Mikhail ...24751-024 ≣E10It (open)
921Ntalabiras Spiros...1822Gougis Antonios (...16091-027 ≣D40Tournament (Elo)12 Jul 2011
164Nunn John D M (ENG)2515Wells Peter K (ENG)24971-025D30It (open) \
869Nyzhnyk Illya (UKR)2538Itkis Boris (ROM)24151-029 ≣E10Memorial V.Naboko...12 Jun 2010
878Oberholzer FrancoisAkgun Kaan (TUR)16800-114A46Ch World (schools)26 Jul 2010
586Offringa Tjaart (...2100Kraetz Jacques1-020 ≣E10It (open) (junior...
286Ohlsson BertilFlodmark Stig0-129 ≣D40Ch Sweden (corr.)
436Okamura Milton Ka...2240Osorio Machado Jo...1-027 ≣A05It (open)
121Olafsson Fridrik ...2434Lombard Andre (SUI)23501-023 ≣A13Zt
667Onasch Gunnar1909Kilp Gunnar16111-027 ≣D40Landesliga (2nd) ...29 Jan 2006
86Ophoff Rigobert (...1999Latko1-016 ≣E00Ch OWL
155Opl Klaus (AUT)2279Rasmussen Karsten...24241-027 ≣E00Cup Mitropa
808Orekhov Nikolai (...1790Barbarickiy Yuri ...19750-19 ≣A09Tournament (Elo)15 Feb 2009
106O'Riordan KennethHanrahan M1-019 ≣D02Ch City
569Orso Janos (HUN)2275Szirmai Eduard (HUN)21750-120 ≣D40It (open)05 Jan 2002
73Osnos Viatcheslav...2384Klaman Konstantin...0-124 ≣E00Ch URS (1/2 final)
932Ospina Ortiz Osca...1966Jimenez Leonardo ...18491-020 ≣D02It (team)17 Oct 2011
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
254Ostenstad Berge (...2469Sutter Oliver (SUI)23541-028 ≣A05It (b)
611Ovchinnikova Alek...Pyatkova Tatiana ...18540-125 ≣A06Ch Russia (junior...
965Ozturk Kubra (TUR)2296Sahin Gizem (TUR)15781-023 ≣D30Ch Turkey (team)22 Jul 2012
502Pacheco Garri (PER)2224Caceres Jose1-025 ≣D02Ch Peru (regional)
78Pachman Ludek (GER)2278Neikirkh Oleg N (...23701-026 ≣A17Izt
218Paehtz Thomas (GER)2515Andrijevic Milan ...23951-024 ≣E10?
963Paikidze Nazi (GEO)2381Sahin Gizem (TUR)15781-028 ≣A40Ch Turkey (team)16 Jul 2012
675Palacios Zambrano...1960Veloz Jose (ECU)18541-022 ≣D40Ch Ecuador (junio...11 May 2006
154Palatnik Semon (USA)2448Gofshtein Zvulon ...25041-017 ≣D41?
817Palmero Pablo (ARG)2139Colantonio Mauro ...19271-024 ≣A40Ch Argentina (1/2...06 May 2009
328Panchenko Alexand...2480Plaum S1-022 ≣A40It (open)
832Pantin Kevin (FRA)1599Cofman Veaceslav ...19250-119 ≣E10It (open)06 Aug 2009
389Pantoja JaimeMedina Karla1-017 ≣D41Memorial C.Torre
566Partys Tatiana (RUS)2042Tiumentsev Andrey...22531-021 ≣D02Cup Russia (open)
234Paul HDBerndt Klaus (GER)21640-121 ≣A06corr.
974Paulsen Dirk (GER)2378Barwich Andreas (...19451-026A09It (open) \22 Aug 2012
216Paulus HGroeber E1-027 ≣D30corr.
501Pecnik Primoz (SLO)1807Hrovat Jaka0-121 ≣A31Ch Slovenia (team...
437Peek Marcel (NED)2335Donovan Linton (BEL)22621-028 ≣A40It (open)
851Pehal Ludek1817Kratochvil Milan ...21450-120 ≣A17Czech League 2009...
339Pelletier Yannick...2440Luber Roger (SUI)20241-018 ≣D41It (open)
846Percivaldi Martin1718Manukyan Artyom0-119 ≣D30Ch World (juniors...22 Nov 2009
758Peredy Ferenc (HUN)2252Sarmir Milos (SVK)20861-019 ≣E00It (open)29 Apr 2008
276Perez Diaz AlejandroFranco Ocampos Ze...24900-123 ≣E00It (open)
469Perez Lopez Jesus...2104Gonzalez Gonzalez...1-024A46Ch Asturia (team)...
430Perez Lopez MarcosJavier Baragano1-023 ≣D41Ch Spain (team) (...
10Perlis Julius (AUT)Reti Richard (CZE)0-129 ≣D02It
738Perlovskiy Viktor...2000Ezhov Aleksey (RUS)18231-029 ≣A46Ch City (1/2 fina...18 Oct 2007
606Perrin RichardCoburn Joe1-015 ≣D41It (open)09 Nov 2003
782Persson Stellan (...2133De Los Heros Torr...17321-023 ≣A15It (open) (amateurs)10 Oct 2008
392Pert Nicholas (ENG)2240Eynon David (SCO)20551-028 ≣D02Cup Glorney (a)
161Petkevich Jusefs ...2380Luczak Andrzej (POL)23701-028 ≣A06It
105Petras Jan (CZE)2085Szakall Frantisek1-025 ≣E10Ch Czechoslovakia...
279Petrungaro Omar (...1913Benko Francisco (...20360-128 ≣A05It (open) \
855Petukhov Dmitry (...2309Fedukin Alexandre...19091-022 ≣A13Ch City25 Feb 2010
52Pfeiffer Gerhard ...Dahl Herbert1-018 ≣A05Ch Berlin
970Phan Nguyen Ha NhuLe Thai Hang1-023 ≣D40Ch Vietnam (team)...05 Aug 2012
882Pietrzak Tomasz (...1961Powalka Michal (POL)13161-028A05Tournament (Elo)02 Oct 2010
918Pietrzak Tomasz (...1943Snihur Adam (POL)15831-029 ≣A06Tournament (open)20 May 2011
378Piket Jeroen (NED)2630Van Wely Loek (NED)26551-029 ≣A46Tournament (active)
936Pimenta Jeronimo ...2096Figueiredo Jr Wag...17001-014 ≣D06Ch Brazil (1/2 fi...01 Nov 2011
219Piontek HKeskowski Thilo (...21271-021 ≣D41corr.
510Pirchner Hans (AUT)1991Strasser Josef (GER)19701-027 ≣D02It (open)
60Pirc Vasja (YUG)Porreca Giorgio (...1-024 ≣A05Match \
952Piroha Miroslav1963Galvanek Ladislav...20430-129 ≣A06Ch Region06 May 2012
379Plackmeyer JanWronn Bernd (GER)21920-112 ≣A46It (open)
948Pogromsky Mikhail...2438Khazov Anton1-021 ≣A05Ch UrFO (open)25 Mar 2012
728Pohl Mathias (GER)2059Krueger St1-022 ≣D40It (open) \18 Aug 2007
807Polak Tomas (CZE)2503Davidov Jacek23141-028 ≣E10Czech League 2008...01 Feb 2009
875Polarczyk Pawel (...1842Hrynkiewicz Jakub...16761-027 ≣A40It (open) (b)04 Jul 2010
810Poleschikov Alexe...1957Kuptsov Jury (RUS)18470-125 ≣D02Ch City27 Feb 2009
450Polgar Judit (HUN)2671Eberspach L1-021 ≣D02Simultan
451Polgar Judit (HUN)2671Kolb A1-013D40Simultan
171Polugaevsky Lev A...2610Mascarinas Rico (...24101-021 ≣E10It (cat.9)
298Pons Gil Antoni (...1900Moreno Sabate J1-029 ≣E00It (open)
674Popa MihaelaDone Alexandra-Va...1-020 ≣D32Ch Romania (junio...18 Apr 2006
284Popovic Jelena (SRB)2055Havrdova Lenka (CZE)0-120D30Ch Europe (juniors)
98Popov Luben (BUL)2317Aitken James22001-021 ≣E10Zt
548Popov Valerij (RUS)2579Sargsjan Vardges ...23440-123 ≣A06It (cat.8)
103Portisch Lajos (HUN)2523O'kelly De Galway...24601-027 ≣A17It
519Poyato Antonio (CUB)2172Madruga Ll1-020 ≣E10It (open)
607Prelovskij Rudolf...2175Grabinsky Vladimi...23150-124 ≣A13It \
13Price Hubert ErnestSergeant Edward G...0-113 ≣D02It (minor)
429Prielozny Stanisl...2169Baran Peter (CZE)20961-026 ≣D02Ch Slovakia (team...
55Primavera Giusepp...Szabados Eugenio ...0-126 ≣A06?
731Prudnikova Svetla...2349Nikolic Mila (SRB)19691-022 ≣A06Ch Serbia (team) (w)21 Aug 2007
265Prystenski ArthurMoyses Filho Joao1-025 ≣E00Ch Manitoba
7Przepiorka Dawid ...Swiderski Rudolf ...1-028 ≣D40Ch Germany
275Pudlo Emil (POL)2076Artecki M1-024 ≣A56Ch Poland (team) ...