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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
669Da Silva Lucas De...1460Torsani Pires Mar...21130-120 ≣B54Memorial Walter M...02 Jul 2010
724Olsen Kar1604Piotrowski Przemy...19600-122 ≣B54It (open)26 Oct 2011
707Szukics Adam (HUN)1646Ugroczky Peter (HUN)16881-030 ≣B54Ch Hungary (junio...29 Jun 2011
567Novy J1655Vancat M17350-132 ≣B54It (open)
538Ezkerro Hernandez...1686Rizouk Aimen (ALG)24700-123 ≣B54It (open)21 Sep 2007
99Morales Calvino M...1701Martin Del Campo ...24550-132 ≣B54It
554Sliwicki Damian (...1738Miskiewicz Kamil ...17311-032 ≣B54Ch Poland (junior...15 Mar 2008
634Larusson Agnar Da...1752Sigurdsson Sverri...20130-132 ≣B54Ch Iceland (cand.)03 Sep 2009
744Drop Szymon (POL)1766Piotrowski Przemy...19330-129 ≣B54Ch Poland (team) ...
644Gajdos Daniel (CZE)1774Kredl Karel (CZE)21030-127 ≣B54Memorial Olexa (o...26 Dec 2009
663Fieberg Samuel (GER)1777Sieber Fiona (GER)16370-123 ≣B54Ch Germany (junio...28 May 2010
518Malec Sebastian (...1779Cichy Kamil (POL)17730-129 ≣B54Ch Poland (junior...05 Mar 2007
671Schaefers Bernd1787Bischoff Dieter (...21140-128 ≣B54It (open)04 Jul 2010
573Sanz Sanz Clement...1790Aguera Naredo Jav...23740-132 ≣B54It (open)23 Jul 2008
668Sukhanova Yana (RUS)1791Tarleva Vira (UKR)21560-121 ≣B54It (open)23 Jun 2010
556Chomski Maciej (POL)1802Wisniowska Klaudi...19880-132B54It (open)25 Mar 2008
697Schindler Gerhard...1811Lentner Wolfram1-032 ≣B54It \14 May 2011
746Pedrotti Luciano ...1812Nepi Ezio (ITA)19270-132 ≣B54It (open)28 Jul 2012
741Miroi Robert-Andrei1817Radulescu Vlad-Al...18360-127 ≣B54Ch Romania (junio...08 Apr 2012
645Xiong Ferdinand (...1822Grigorian Spartak...17621-032 ≣B54Ch Germany (junio...29 Dec 2009
704Cucu Gheorghe (ROM)1823Senetia Teodor (ROM)22110-127 ≣B54Cup Gaudeamus (open)17 Jun 2011
572Nandhidhaa P V (IND)1823Zhaksybek Yenglik1-027 ≣B54Ch Asia (juniors)...21 Jul 2008
505Krumbke Nadine (GER)1826Mikliaeva Darja S...21370-119 ≣B54Ch Germany (open)...06 Aug 2006
613Padhya Saumil (IND)1845Bakre Tejas (IND)24530-131 ≣B54Cup Mayors (open)01 May 2009
383Duarte Eduarda (ANG)1845Hund Barbara (SUI)22710-129 ≣B54Olympiad (w)
699Shetye Shyam (IND)1850Aswin Jayaram (IND)24730-125 ≣B54It \28 May 2011
568Sterba Karel (CZE)1855Cekan Petr (CZE)19391-031 ≣B54It (open)
424Gomez Luna Jorge ...1856Leon Hoyos Manuel...23950-131 ≣B54Tournament
511Kucha Taras (UKR)1861Andreev Vitaliy (...22860-126 ≣B54Ch Ukraine (junio...18 Dec 2006
458Jenc Milan (CZE)1888Snaidr Jiri (CZE)20690-117 ≣B54It (open)05 Jul 2004
578Kyas Philipp (GER)1889Chmielewski Jakub...17481-030 ≣B54Ch European Union...08 Aug 2008
366Lopes Raul (POR)1891Lameira Dinis (POR)20450-121 ≣B54Ch Lisbon
462Santiago Pereira ...1894Perez Luis Manuel...24300-131 ≣B54It (open)13 Aug 2004
398Ramos Cantos Juan...1895Fernando Diogo (POR)24230-122 ≣B54It (open)
660Zochowski Kacper ...1903Chmielewski Jakub...17511-023 ≣B54Ch Poland (junior...04 May 2010
438Trotto Pierangelo...1904Efimov Igor (MNC)24590-120 ≣B54It
569Donohue Tom (SCO)1906Schmerwitz Reinha...19441-025 ≣B54Ch Scotland11 Jul 2008
619Patil Pratik (IND)1911Gupta Abhijeet (IND)25650-124 ≣B54It (open)07 Jun 2009
306Ravnik Franc (SLO)1913Nevednichy Vladis...25370-131 ≣B54It (open)
576Kuteneva Galina (...1915Nikolaev Alexande...19860-132 ≣B54Tournament (open) \04 Aug 2008
618Van De Griend Joh...1922Beeke Bobby (NED)21890-124 ≣B54It (open)06 Jun 2009
631Pacher Simon (AUT)1925Mascher Klemens (...20581-031 ≣B54It (open)20 Aug 2009
464Smagalski Jarosla...1933Slaby Jerzy (POL)24280-130 ≣B54Ch Poland (team) ...08 Sep 2004
725Markos Adam (HUN)1935Ugroczky Peter (HUN)16881-025 ≣B54Ch Hungary (junio...05 Nov 2011
487Almer Julia (SWE)1943Bensdorp Laura (NED)20900-125 ≣B54Ch World (juniors...20 Nov 2005
164Ewin Hans-Peter (...1946Euler Gerold (GER)0-127 ≣B54It (open)
111Schloetterer Herm...1947Barbero Gerardo F...24410-132 ≣B54It (open)
604De Seroux Camille...1950Karasova Daria (RUS)16861-026 ≣B54Ch Europe (w)18 Mar 2009
155Cheron Stephane (...1952Charlot R16700-124 ≣B54It (open) \
624Bharathi R (IND)1952Mamedov Nidjat (AZE)26140-129 ≣B54It (open)
665Markiewicz Czesla...1953Markiewicz Jerzy ...22950-125 ≣B54Cup Omega03 Jun 2010
720Somasundram Jayak...1959Paseka Christian ...17521-032 ≣B54Ch Vienna State (b)17 Sep 2011
301Guimaraes Claudio...1963Fernando Diogo (POR)22210-126 ≣B54Ch City
594Vucko Maja (SLO)1963Grosar Kiti (SLO)22210-132 ≣B54Ch Slovenia (team...30 Nov 2008
632Hadrava Jaroslav ...1963Herejk Petr (CZE)21740-122 ≣B54It (open)22 Aug 2009
636Wasserbauer Radek1966Vlasak Lukas (CZE)21811-030 ≣B54Extraliga 2009/10...04 Oct 2009
507Leukkunen Raimo (...1966Kiselev Gennady (...24190-128 ≣B54It (open)25 Aug 2006
666Carneiro Francisc...1968Barreto Filho Car...23460-128 ≣B54It (open)04 Jun 2010
726Sztokbant Bernard...1969Caprio Guido (ITA)23541-022 ≣B54Ch World (juniors...19 Nov 2011
545Gomez Figueroa Ma...1970Padros Martinez A...18931-021 ≣B54It (open) (b)01 Jan 2008
217Liska Jaroslav (SVK)1973Kopjonkin Gennady...23400-122 ≣B54Ch Slovakia
574Rivalin Kenny (FRA)1977Hartereau Philipp...22080-128 ≣B54It (open)24 Jul 2008
702Kilthau Peter (GER)1979Strugnell Carl (FRA)22880-119 ≣B54It (open)12 Jun 2011
440Gasik Adam (POL)1981Lagowski Patryk (...24060-128 ≣B54It (open)
750Gombar Peter (SVK)1983Vermirovsky Vlast...20440-124 ≣B54It (open)23 Sep 2012
711Stasius Vidmantas...1984Petraitis Gintaut...19460-124 ≣B54It (open)26 Jul 2011
410Lundberg Gunnar (...1985Tschirky Werner (...17201-030 ≣B54Ch World (seniors)
615Guerrero Hernando...1985Vittorino Carlo (...23300-132 ≣B54Ch Colombia (1/2 ...
543Egorova Valentina...1991Epifantsev Igor (...21850-121 ≣B54Ch City (open)
548Labedz Patrycja (...1992Orzechowski Micha...16221-031 ≣B54It (open)18 Jan 2008
246Stepanovic Branis...1995Stefan Oldrich (SVK)19721-024 ≣B54Ch Slovakia (team...
484Marcek Jan (SVK)1997Biros Robert (SVK)22020-132 ≣B54It (open)10 Sep 2005
701Heymann-Lobzhanid...1998Abergel Thal (FRA)25020-127 ≣B54It (open)11 Jun 2011
517Tobolski Jakub (POL)2001Cichy Kamil (POL)17731-028 ≣B54It (open)18 Feb 2007
621Lima Luiz Alexand...2004Barreto Filho Car...22570-121 ≣B54Tournament (open)12 Jun 2009
104Tietjen Daniela (...2010Woitinski J0-115 ≣B54Ch Germany (junio...
404Gvilava Maya (RUS)2012Nowak Malgorzata ...20841-017 ≣B54Ch Europe (junior...
439Polacik Igor (SVK)2014Castiglione Mario...22650-127 ≣B54Ch Slovakia (team...
191Tsipouris Elefthe...2016Hatzidakis Mihail0-126 ≣B54Ch Greece (junior...
525Vlietstra M2022Toth Andras (HUN)24100-131 ≣B54It (open)11 Apr 2007
514Purgar Ivona (CRO)2023Solic Kristina (CRO)21480-132 ≣B54It (open) (w)08 Jan 2007
597Polyansky Viktor ...2027Provkin Vladimir ...22540-125 ≣B54Ch City (open)18 Feb 2009
638Simakov Andrey (RUS)2032Smirnov Alexey (RUS)24150-125 ≣B54It (open) \07 Nov 2009
483Kosolapov Petr (RUS)2034Zaitsev Alexander...23911-032 ≣B54Ch Region10 Aug 2005
547Cruz Bartolome (COL)2036Vittorino Carlo (...23430-131 ≣B54It (open)11 Jan 2008
479Lotsov Har-Zahav ...2036Petry Joachim1-022 ≣B54Ch Europe (seniors)25 Jun 2005
257Paulino Jose (POR)2039Costa Paulo (POR)21440-131 ≣B54Ch Portugal (qual)
493Lamoureux Izabell...2039Bosiocic Marin (CRO)24480-129 ≣B54Ch Mediterranean01 Feb 2006
283Rieder Josef (GER)2043Solomunovic Igor ...23450-127 ≣B54It (open)
165Wijnhoven Theo (NED)2047Eckert Frank (GER)22391-027 ≣B54It (open)
221Cipa Michal (POL)2048Kasprzyk Tomasz (...20841-028 ≣B54Ch Poland (team) ...
309Deuber Roman (SUI)2049Georges Sacha (SUI)22450-125 ≣B54It (open)
411Cascudo Pueyo Ign...2051Carracedo Rodrigu...1-026B54It (open) \
593Vidal Zamora Alex...2058Lillo Castan Vict...21770-116 ≣B54Ch Girona30 Nov 2008
635Vala Filip (CZE)2058Vecera Pavel (CZE)21880-130 ≣B54It (open)30 Sep 2009
269Kowalewski Jarosl...2060Michniewski Tomas...21730-126 ≣B54Ch Milanowek
88Graeffe Petri (FIN)2060Virtanen Antti (FIN)23480-127 ≣B54Ch Finland (juniors)
347Zarza Ronald (PAR)2061Alvarez Johan (VEN)23170-121 ≣B54Ch World (juniors...11 Aug 2000
709Poznanska Katarzy...2062Hoffmann Paul (GER)23171-026 ≣B54Memorial M.Najdor...14 Jul 2011
368Sequeda Nancy (VEN)2065Pina Sulennis (SUL)23450-117 ≣B54Ch Continent (w)