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Ruy Lopez, Closed, Breyer Defence, 10.d4 Notation: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4

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
153Ornstein Axel (SWE)2405Reshevsky Samuel ...24600-127 ≣C70It (open)
260Osinski JRudnicki R1-023 ≣C70Ch Poland (corr.)
538Osmanodja Filiz (...2071Gaboyan Susanna (...18491-037 ≣C70Ch Europe (junior...15 Sep 2007
741Osmanodja Filiz (...2127Herrera Kerly (ECU)18051-013 ≣C70Ch World (juniors...19 Nov 2011
627Pacher Milan (SVK)2358Butnorius Algiman...24430-134 ≣C70Cup European Club08 Oct 2009
479Padmini Rout (IND)1938Mohana Priya J (IND)19391-012 ≣C70Ch Asia (juniors)...09 Dec 2005
714Pagerka Martin (SVK)2200Jozefek Michal (SVK)19101-026 ≣C70Cup Youth (team)26 Jun 2011
685Palac Mladen (CRO)2591Vettel Matthias (...22781-028 ≣C70Oberliga East B 2...16 Jan 2011
22Palmo Pentti (FIN)2065Boek Eero (FIN)1-024 ≣C70?
343Palmo Pentti (FIN)2065Luukkonen Tommi (...21620-135 ≣C70It \
637Paredes Bustamant...Ghukasyan Siranush18210-137 ≣C70Ch World (juniors...14 Nov 2009
478Paridar Shadi (IRI)2237Almer Julia (SWE)19431-020 ≣C70Ch World (juniors...09 Nov 2005
618Parligras Mircea ...2557Lorek Milosz (POL)19901-036 ≣C70It (open)12 Jun 2009
221Pastor Pons Pedro...2143Fernandez Encisco0-134 ≣C70Ch Spain
716Patel Yesim (TUR)1813Sasmazel Burcu (TUR)18730-138 ≣C70Ch Turkey (team)02 Jul 2011
520Paulauskaite Gint...2002Benkunskiene V1-035 ≣C70Ch Lithuania (w)21 Feb 2007
677Pauw Martijn (NED)2040Singer Christoph ...23690-137 ≣C70It (open)05 Nov 2010
272Payen Arnaud (FRA)2345Viot Alain (FRA)21321-037 ≣C70It (cat.5)
223Pedzich Dominik (...2385Zielinski Marek (...22751-038C70It (open)
349Pelle Guillaume (...2280Platel Alexandre ...22391-029 ≣C70It (open)
530Penalosa Pinilla ...2209Roa Alonso Santia...24510-122 ≣C70It (open)23 Jul 2007
12Penrose Jonathan ...2405Littlewood Norman23281-036 ≣C70Ch Great Britain
403Perunovic Miodrag...2366Bradic Rade (SRB)19421-038 ≣C70Ch Serbia
246Petelin Andrei (RUS)2415Yemelin Vasily (RUS)25680-122 ≣C70Ch St. Petersburg...
116Peters John A (USA)2370Lombardy William ...25301-034C70?
742Peters John A (USA)2360Zavadsky Peter (SVK)18581-037 ≣C70It (open)24 Nov 2011
444Petrenko Svetlana...2323Erneste Inguna (LAT)23101-034 ≣C70Olympiad (w)20 Oct 2004
217Pfrommer Christop...2353Zude Arno (GER)24310-134 ≣C70Bundesliga 1990/9...
441Pham Hoai Nam (VIE)2106Huynh Lam Binh Ng...20211-027 ≣C70Ch ASEAN (juniors...
229Phillips TomHarabor Mihai0-129 ≣C70Ch USA (corr.)
180PichlerKeskowski Thilo (...21271-019 ≣C70Ch DDR (corr.)
172Pienski Olaf (GER)2090Pachman Ludek (GER)22780-134 ≣C70It (open)
233Pierrot Facundo (...2454Mayo Raul (ARG)21571-031 ≣C70It (open) \
90Pietila HeikkiBjorkqvist Armas0-134 ≣C70?
563Pietruszewski Mar...2027Chomski Maciej (POL)18021-035 ≣C70Olympiad (nationa...28 Apr 2008
14Pietzsch Wolfgang...2420Liberzon Vladimir...24100-129 ≣C70It \
24Pilnik Hermann (GER)Panno Oscar (ARG)24380-128 ≣C70It
165Piron PascalEichhorn Ernst (SUI)0-132 ≣C70Cup Latin (corr.)
632Plachetka Jan (SVK)2370Sherwin James T (...22361-038 ≣C70Ch World (seniors)
111Plank GostaBjorkqvist Armas0-138 ≣C70?
547Plaskan Jure (SLO)2103Budihna Kristijan...20121-032 ≣C70Ch Slovenia (team...24 Nov 2007
152Plaskett Jim (ENG)2470Tringov Georgi P ...24351-035 ≣C70It (cat.10)
126Podkrajsek Janez ...2225Ciric Dragoljub M...22761-038 ≣C70corr.
331Podkriznik Gregor...2350Mazi Leon (SLO)24151-038 ≣C70Ch Slovenia
670Poleshchuk Dmitri...2209Kabachienko Alexa...20751-030 ≣C70It (open) \24 Aug 2010
160Ponisch EKlugman Reuben (USA)22251-029 ≣C70corr.
400Popovic Dusan (SRB)2447Kovacevic Aleksan...25561-037 ≣C70Ch Serbia & Monte...
298Popovic Petar (SRB)2575Abramovic Bosko (...24900-135 ≣C70Cup Yugoslavia (t...
197Popovic Petar (SRB)2550Donaldson-A Elena...24301-038 ≣C70Cup World (open)
787Pourkashiyan Atou...2313Novkovic Julia (AUT)20251-037 ≣C70Olympiad (w)07 Sep 2012
414Prasad Devaki V (...2375Horton E Justin1-032 ≣C70It (open)
476Prathamesh Sunil ...2362Singh Rishipal S ...22990-136 ≣C70Ch Asia14 Oct 2005
425Prathamesh Sunil ...2390Short Nigel D (ENG)26870-138 ≣C70Ch Commonwealth
230Preller UVon Kruechten V0-137 ≣C70It (open) (b)
600Prieto Ernesto (COL)2181Pena Alfredo (COL)23090-123 ≣C70Sub-zt28 Nov 2008
142Prodanovic MilijanRead0-126 ≣C70Europe Tournament...
64Prodanovic MilijanErdeljan Miroslav1-028 ≣C70corr.
539Pruess David (USA)2417Schneider Dmitry ...25020-130 ≣C70It (open)28 Sep 2007
666Prus Marek (POL)1811Kwiatkowski Andrz...18430-138 ≣C70Tournament (Elo) \30 Jul 2010
326Puljek-Salai Zori...2235Janevska Aleksand...20111-037 ≣C70Zt (w)
592Quimi Marco (PER)2239De-Carolis Massim...19731-025 ≣C70Tournament (weekend)18 Oct 2008
754Quinn Rory (IRL)2074Jones Gawain C (ENG)26530-123 ≣C70It (open)17 Feb 2012
205Qwint ArneHang Eugen1-036C70Olympiad (corr.)
557Radnetter Georg (...2189Zoedl Heinrich (AUT)20001-032 ≣C70Bundesliga B Mitt...27 Jan 2008
259Rajcsanyi Zita (HUN)2127Holoubkova Martin...22681-038 ≣C70It \
98Rasanen SeppoNiemi Valio0-136 ≣C70?
256Rasmussen Barry (...2240Kaptsan Aron (CAN)20431-028 ≣C70Tournament (team)
156Reichstein Hans-J...2077Wolf Walter (GER)22481-034 ≣C70Ch Baden (MA)
518Remicio Duque Joh...2111Pena Alfredo (COL)22740-130 ≣C70Sub-zt18 Dec 2006
487Renet Olivier (FRA)2512Gabriel Christian...25401-032 ≣C70Ch Switzerland (t...26 Mar 2006
446Reutsky Sergei (RUS)2318Ziatdinov Raset (...24640-138 ≣C70It (cat.7)11 Nov 2004
657Revo Tanya (BLR)1988Khruschiov Alexey...24220-133 ≣C70It (open)12 Jun 2010
231Riegler Primoz (SLO)2309Mazi Leon (SLO)23521-035 ≣C70It (open)
194Riemersma Liafber...2420Luetke Jens (GER)23091-038 ≣C70It (open)
284Riemersma Liafber...2415Wells Peter K (ENG)25450-136 ≣C70It
253Riemersma Liafber...2420Van Der Sterren P...25251-029 ≣C70Ch Netherlands (t...
179Rigo Janos (HUN)2319Muellner Gerhard1-029 ≣C70It (open)
567Ringoir Guy (BEL)1946Michalczak Thomas...23140-121 ≣C70It (open)10 May 2008
340Riznar Helena (SLO)2036Krivec Jana (SLO)21770-135 ≣C70Ch Slovenia (team...
313Riznar Helena (SLO)2023Sebenik Matej (SLO)21150-135 ≣C70It (open) (b)
332Riznar Helena (SLO)2023Krivec Jana (SLO)21800-126 ≣C70Ch Slovenia (w)
595Robson Ray (USA)2466Pena Alfredo (COL)23091-036 ≣C70Ch Pan-American03 Nov 2008
266Rodriguez Amador ...2490Sanchez Alberto1-035 ≣C70It (open)
122RogersPugachov Alexey (...24660-134 ≣C70Ch Europe (team) ...
510Rogers Ian (AUS)2526Postny Evgeny (ISR)26090-133 ≣C70It (open)27 Oct 2006
59Romanishin Oleg M...2440Petrosian Arshak ...24701-037 ≣C70Olympiad URS
651Roose Jan (BEL)2288Butnorius Algiman...24390-135 ≣C70Ch Europe (seniors)13 Apr 2010
117Roos PietSiklos Alex1-027 ≣C70corr.
481Rosen Daniel B (ENG)2132Parker Robert (ENG)20861-036C70Ch England (team)...15 Jan 2006
709Roskar Robert (SLO)2290Budihna Kristijan...20631-037 ≣C70Ch Slovenia (team)29 May 2011
84Rossmann Helmut (...2264Vogt Lothar (GER)24300-132 ≣C70Ch DDR
771Rotmistrov Aleksa...1835Kobylsky Evgeny20911-035 ≣C70Memorial L.Poluga...10 Jul 2012
145Ryskin Alexander ...2440Berezjuk Sergej (...23781-027 ≣C70Ch Belarus
384Saastamoinen Aarn...2169Koskela Niina (FIN)23100-130 ≣C70Ch Finland (team)...
307Saastamoinen Aarn...2164Sorsa Nuutti (FIN)22141-036 ≣C70It (open)
506Saastamoinen Aarn...2175Sammalvuo Niina (...22590-133 ≣C70Ch Finland (team)...17 Sep 2006
747Sabol Marian (CZE)2371Cizinsky Petr (CZE)21620-134 ≣C70It (open)30 Dec 2011
781Sadikhov Ulvi (AZE)2160Bellahcene Bilel ...23441-029 ≣C70Ch Europe (junior...24 Aug 2012
724Salgado Lopez Iva...2614Anwesh Upadhyaya ...24081-033 ≣C70Ch World (juniors...14 Aug 2011
422Salvi Gianpietro1600Elsido Massimo (ITA)19491-036 ≣C70Ch Provinciale BG08 Nov 2003