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Sicilian, Boleslavsky Variation, 7.Nb3 Notation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3

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
373Reitsma FeikeBensdorp Marlies ...21100-126 ≣B33It (open)
396Reinoso S (PER)Choque J (PER)0-129 ≣B54Tournament (swiss)
14Reicher Emanoil (...2310Boleslavsky Isaac...25600-126 ≣B33It
392Regue Farran Enri...2057Plachkinova Tatja...21870-124 ≣B33Ch Tarragona
558Rawicz Karol (POL)2242Wcislo Damian (POL)22191-032 ≣B33Ch Poland (junior...01 Apr 2008
498Rawicz Karol (POL)2100Pigula Marek (POL)20761-029 ≣B54Ch Poland (junior...27 Mar 2006
306Ravnik Franc (SLO)1913Nevednichy Vladis...25370-131 ≣B54It (open)
10Ravinsky Grigory ...Ufimtsev Anatoly ...1-030 ≣B54Ch URS (1/2 final)
442Rasulov RashadMamedov Nidjat (AZE)24600-128 ≣B54Ch Azerbaijan (ju...26 Jan 2004
398Ramos Cantos Juan...1895Fernando Diogo (POR)24230-122 ≣B54It (open)
138Rajlich Vasik G (...2303Noren K0-129 ≣B33Tournament
294Radvanyi Tibor (HUN)2133Magyar Andras (HUN)22630-122 ≣B33Ch Hungary (team)...
320Radoszta Armando ...2040Della Morte Pablo...22200-122 ≣B33It (open)
416Quemener Yann (FRA)1885Serralta Michel (...20730-127 ≣B33Ch France (team) ...
245Queirolo Manuel (...2108Ramirez Sergio1-030 ≣B33It (open)
533Py Walter (FRA)2108Estremera Panos S...24000-130 ≣B54It (open)
519Purgar Ivona (CRO)2023Petrovic Zvonko (...22541-031 ≣B33It (open)17 Mar 2007
514Purgar Ivona (CRO)2023Solic Kristina (CRO)21480-132 ≣B54It (open) (w)08 Jan 2007
70Puls TGroszpeter Attila...24800-120 ≣B33It (open)
731Pruess David (USA)2395Lobo Richard (ENG)22511-029 ≣B54It \07 Jan 2012
467Prlac Vedran (CRO)2143Susak Zeljko (CRO)22510-120 ≣B33It (open)09 Oct 2004
32Pregherman ShmuelPersitz Raaphi (SUI)23360-132 ≣B33It
291Prause RobertLipinsky Fabian (...23310-121 ≣B54Bundesliga (junio...
390Pratibha Y (IND)2194Churun Polina (BLR)21431-029 ≣B33Ch World (juniors...
215Prat ACampos Jose Felix...22600-121 ≣B33It (open)
361PragmateftakisKatsaros S0-132 ≣B54It (open)
170Prada Rubin Ferna...2169Rivera Daniel (URU)23800-117 ≣B54It (open)
709Poznanska Katarzy...2062Hoffmann Paul (GER)23171-026 ≣B54Memorial M.Najdor...14 Jul 2011
7Poulsen Christian6Stumpers Louis F1-028 ≣B33It (a)
425Postupa Pavel (CZE)2102Cvek Robert (CZE)24870-125 ≣B33It (open)
597Polyansky Viktor ...2027Provkin Vladimir ...22540-125 ≣B54Ch City (open)18 Feb 2009
439Polacik Igor (SVK)2014Castiglione Mario...22650-127 ≣B54Ch Slovakia (team...
451Pogonina Natalija...2385Krush Irina (USA)24640-120 ≣B54It (blitz) (w)02 May 2004
502Podgursky Sten (MDA)2193Zinchenko Yarosla...25030-127 ≣B33It (cat.6)12 Jun 2006
92Pletsch Andreas2016Schmidt Heike15201-030 ≣B33It (open)
745Piotrowski Przemy...Dmochowska Agnies...1-028 ≣B33It (open) \
75Pineault Denis (CAN)2270Ivanov Igor V (CAN)24240-125 ≣B54It
74Pineault Denis (CAN)2270Hebert Jean (CAN)23850-125 ≣B33It
16Pilnik Hermann (GER)Janosevic Dragolj...23301-031B33It
382Pieris T D R (SRI)2128Chan Peng-Kong (SIN)23620-129 ≣B33Olympiad
637Pieri P1859Shishkin Vadim (UKR)25070-132 ≣B33It \25 Oct 2009
300Petrovic GoranBrenke Andreas (GER)23010-125 ≣B54It (open)
388Pesola Jyrki (FIN)2078Puuska Heini (FIN)20391-030B54Ch Finland (team)...
583Perez CamiloJuez Suarez Jose ...0-131 ≣B30Tournament
268Perez Cadenas Ces...1798Rubio Doblas Fco ...20400-114 ≣B21Ch Malaga
176Pena Miguel2020Damljanovic Brank...25050-123 ≣B33It (open)
570Penalosa Pinilla ...2238Navas Jimenez Jul...19521-028 ≣B54It (open)20 Jul 2008
422Pena Gomez Manuel...2223Moreno Tejera Emi...22750-130 ≣B53Ch Spain (juniors...
746Pedrotti Luciano ...1812Nepi Ezio (ITA)19270-132 ≣B54It (open)28 Jul 2012
476Pavsic Andrej1554Kokol Peter (SLO)21530-127 ≣B33Ch Slovenia (juni...26 Feb 2005
156Paul Reinhart (GER)2100Kiselev Sergey (RUS)24600-127 ≣B33It (open) \
257Paulino Jose (POR)2039Costa Paulo (POR)21440-131 ≣B54Ch Portugal (qual)
619Patil Pratik (IND)1911Gupta Abhijeet (IND)25650-124 ≣B54It (open)07 Jun 2009
201Pastor Pons Carlo...2216San Segundo Carri...25200-131 ≣B54It (open)
210Parkanyi Attila (...2380Nogrady Vilmos (HUN)22900-123 ≣B54Memorial Schneide...
372Papaioannou Hrist...2045Krakops Maris (LAT)25180-131 ≣B33It (open)
187Pangen CTate Emory (USA)23800-121 ≣B54It (open)
722Pamungkas Junaid ...2240Tirto (INA)23220-128 ≣B30It (open)14 Oct 2011
181Palacios EduardoAlvarez Jose_ (CUB)23901-025 ≣B33Ch Asturias (team...
107Paizis Adamantia ...2090Clarke Thomas (IRL)22151-021 ≣B54Olympiad
612Pahomeev OYurtaev Leonid (KGZ)24690-131 ≣B33Ch Kyrgyzstan
613Padhya Saumil (IND)1845Bakre Tejas (IND)24530-131 ≣B54Cup Mayors (open)01 May 2009
631Pacher Simon (AUT)1925Mascher Klemens (...20581-031 ≣B54It (open)20 Aug 2009
280Pablo Fernandez S...Savon Mikhail (UKR)22260-127 ≣B33Ch Asturias (juni...
444Owns HoonerMikhalevski Victo...25660-125 ≣B33Tournament \
369Otero Israel (MEX)2123Martin Del Campo ...22910-122 ≣B50Tournament
150Ortiz Aleman Jose...2185Cabello S0-129B33Ch Spain (team)
80Oparaugo Thomas (...2109Kokkila Tero (FIN)23300-126 ≣B54Ch World (juniors...
362Onoprienko GrigoriyVinogradov Jevgen...1-030B33Memorial I.Stepichev
76O'neill Y Dayneko...Acebal J Maria (ESP)23270-130 ≣B33Ch Asturias (pref...
248Olsson Anders (SWE)2280Atakisi Umut (TUR)21001-024 ≣B54Ch Europe (junior...
724Olsen Kar1604Piotrowski Przemy...19600-122 ≣B54It (open)26 Oct 2011
659Oliveira Maicon A...Campos Westerley ...1-017 ≣B54Tournament (open)20 Apr 2010
69Oliveira Antonio ...2222Arlandi Ennio (ITA)24360-131 ≣B33Ch Europe (junior...
683Oim Tonu (EST)Nevanlinna Risto ...22560-131 ≣B54Ch Finland (team)...21 Nov 2010
132Nurul HHund Barbara (SUI)22260-129 ≣B54Olympiad
567Novy J1655Vancat M17350-132 ≣B54It (open)
413Novak Michal (CZE)2163Zeleny Tomas (CZE)22531-025 ≣B54Czech League 2002...
192Nones Ii Teodulfo...2281Gross David (CZE)23850-123 ≣B54Ch World (juniors...
167Nikolic Sava N R ...2114Grabics Monika (HUN)23250-129 ≣B33It (open)
363Niespielak Kamila...1889Skrochocka Justyn...20491-025 ≣B33Ch Poland (team) ...
530Nguyen Viet Chung...2164Ton That Nhu Tung...22160-131 ≣B54Ch Vietnam (junio...11 Jul 2007
456Nguyen Thi Thu HangTran Thi Thanh Huong0-132 ≣B54Ch Vietnam (junio...
687Nguyen Thanh Nghi...2133Xiu Deshun (CHN)25400-126 ≣B54Cup HDBank (open)04 Jan 2011
465Nguyen Huu Duc Lu...2170Huynh Tuan Ba0-115 ≣B33Ch Vietnam (team)16 Sep 2004
427Nemcova Kristyna ...2033Urbankova Eva (CZE)21620-132 ≣B33It (open)
690Navarro Tiago Cun...2155Stamenkovic Draga...24100-129 ≣B33Memorial Fernando...
602Natterer Winfried...1793Oud Niek (NED)20370-130 ≣B33It (open)09 Mar 2009
572Nandhidhaa P V (IND)1823Zhaksybek Yenglik1-027 ≣B54Ch Asia (juniors)...21 Jul 2008
277Nagy Janos (HUN)2255Nagy Andras (HUN)22661-025 ≣B33It (cat.2)
94Nagy Janos (HUN)2214Cardon Helmut (NED)23790-129 ≣B54It (open) \
233Nagy Janos (HUN)2260Monus Zoltan (HUN)20921-029 ≣B54Memorial Erkel
394Musienko Alexei (...Lukyanov Mikhail ...21480-126 ≣B54Memorial I.Stepichev
153Murphy Ronan (IRL)Nagy Attila (SRB)22411-023 ≣B33Ch Europe (junior...
220Muekke JFErhard Walter18201-029 ≣B54It (open)
209Moya Soriano Migu...2340Torner Planell Jo...21230-130 ≣B33It (open) (active)
106Mounib A (MRC)Hakki Imad (SYR)23621-030 ≣B33Olympiad
182Mottas Christian ...2143Sher Miron N (USA)25100-128 ≣B53It (open)
700Moskvin MaksimGeyko Roman (RUS)19440-130 ≣B33Tournament \
254Morier BrunoCardoso Carlos Al...22070-129 ≣B33Tournament \13 Feb 1997