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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
419Cordovil Joao (POR)2254Costa Paulo (POR)21871-027 ≣B54Ch Portugal (team)
420Cordovil Joao (POR)2254Fernando Diogo (POR)24380-125 ≣B54Ch Portugal (team)
607So Wesley (PHI)2646Nolte Rolando (PHI)24581-027 ≣B54It (cat.11) \26 Mar 2009
726Sztokbant Bernard...1969Caprio Guido (ITA)23541-022 ≣B54Ch World (juniors...19 Nov 2011
346Rydzik Karol (POL)2077Dziuba Marcin (POL)23920-126 ≣B54Ch Poland (team)
75Pineault Denis (CAN)2270Ivanov Igor V (CAN)24240-125 ≣B54It
613Padhya Saumil (IND)1845Bakre Tejas (IND)24530-131 ≣B54Cup Mayors (open)01 May 2009
77Barua Dibyendu (IND)2400Makarichev Sergey...25201-031 ≣B54It
614Kostrikina Anna (...2100Kryakvin Dmitry (...25710-132 ≣B54Memorial V.Dorosh...23 May 2009
80Oparaugo Thomas (...2109Kokkila Tero (FIN)23300-126 ≣B54Ch World (juniors...
615Guerrero Hernando...1985Vittorino Carlo (...23300-132 ≣B54Ch Colombia (1/2 ...
727Chakeeva AAlpysbayeva Aiger...19950-122 ≣B54It (open)04 Dec 2011
61Silva Carlos Ales...Abarca Aguirre Ma...23471-030 ≣B54Ch Chile04 Oct 1980
437Flanagan Keith GHeath Jeffrey (ENG)20190-126 ≣B54It (open)23 Oct 2003
88Graeffe Petri (FIN)2060Virtanen Antti (FIN)23480-127 ≣B54Ch Finland (juniors)
438Trotto Pierangelo...1904Efimov Igor (MNC)24590-120 ≣B54It
91Basanta Gary (CAN)2324Minaya Juan (COL)22071-028 ≣B54It (open)
439Polacik Igor (SVK)2014Castiglione Mario...22650-127 ≣B54Ch Slovakia (team...
93Kourtesis Georgio...2191Skoularikis Fotio...22230-130 ≣B54It (open) \
94Nagy Janos (HUN)2214Cardon Helmut (NED)23790-129 ≣B54It (open) \
96Burshaid LHakki E0-115 ≣B54Olympiad Arab states
97Wilfling Hermann ...2147Cigan Stefan (SLO)23430-120 ≣B54It
99Morales Calvino M...1701Martin Del Campo ...24550-132 ≣B54It
101Harlin Henri (FRA)2106Pal Imre (HUN)21551-028 ≣B54It (open)
440Gasik Adam (POL)1981Lagowski Patryk (...24060-128 ≣B54It (open)
103Micic Jordanka (GER)2334Micic Snezana (SRB)21511-032 ≣B54Ch Yugoslavia (w)
104Tietjen Daniela (...2010Woitinski J0-115 ≣B54Ch Germany (junio...
619Patil Pratik (IND)1911Gupta Abhijeet (IND)25650-124 ≣B54It (open)07 Jun 2009
442Rasulov RashadMamedov Nidjat (AZE)24600-128 ≣B54Ch Azerbaijan (ju...26 Jan 2004
107Paizis Adamantia ...2090Clarke Thomas (IRL)22151-021 ≣B54Olympiad
108Efimov Igor (MNC)2400Yermolinsky Alex ...25150-129 ≣B54It (open)
697Schindler Gerhard...1811Lentner Wolfram1-032 ≣B54It \14 May 2011
110Sosa Luis (PUR)2133Dlugy Maxim (USA)25250-130 ≣B54It (open)
445Valenti Giuseppe ...2269Mchedlishvili Mik...25040-129 ≣B54It (open)15 Feb 2004
113Conquest Stuart (...2460Kotronias Vasilio...25201-024 ≣B54It (open)
117Zugaj Fjodor (SLO)2211Podvrsnik Marko (...21960-126 ≣B54Ch Slovenia
621Lima Luiz Alexand...2004Barreto Filho Car...22570-121 ≣B54Tournament (open)12 Jun 2009
121Simic Dragisa (SRB)2323Grosar Aljosa (SLO)24150-125 ≣B54It (open)
622Vorontsov Nickola...2312Rysbayeva Aigerim...21671-029 ≣B54It (open)14 Jun 2009
123Katakis MAndrianov Nikolai...24120-119 ≣B54It (sheveningen)
125Teodoro Eduardo (...2387Fedorowicz John P...25600-126 ≣B54It (open)
623Reznikov DaniilIvanova Simoneta ...17630-126 ≣B54It (juniors) \24 Jun 2009
451Pogonina Natalija...2385Krush Irina (USA)24640-120 ≣B54It (blitz) (w)02 May 2004
53Garcia S Alberto ...Vera Reynaldo (CUB)24920-123 ≣B54?
556Chomski Maciej (POL)1802Wisniowska Klaudi...19880-132B54It (open)25 Mar 2008
130Scherrer RolandGroszpeter Attila...25200-129 ≣B54It (open)
132Nurul HHund Barbara (SUI)22260-129 ≣B54Olympiad
134Turner Matthew (ENG)2250Moutousis Konstan...23901-028 ≣B54It (open)
453Atarov Evgeniy (RUS)2138Baklan Vladimir (...25910-123 ≣B54It (blitz) (qual)
698Wong Ka KuanShah Muradi Mohammad0-129 ≣B54Ch Asia (juniors)...17 May 2011
455Macharacek Simon ...2209Gutman Gennadi (UKR)25080-132 ≣B54It (open) \
456Nguyen Thi Thu HangTran Thi Thanh Huong0-132 ≣B54Ch Vietnam (junio...
142Gallob BorisWuerl Roland20550-129 ≣B54It (open)
744Drop Szymon (POL)1766Piotrowski Przemy...19330-129 ≣B54Ch Poland (team) ...
144Kofidis Andreas (...2403Atalik Suat (BIH)25350-117 ≣B54It (open)
100Miranda Ponce Alv...2234D'Adamo Ettore0-125 ≣B54corr.
90Kwiecien Zbigniew...2139Rossmann Helmut (...22641-025 ≣B54It
147Levitan Yuliya (USA)2220Vulicevic Nenad (...23630-132 ≣B54Ch Manhattan Ches...
98Kuutti LauriTorkkola Simo0-132 ≣B54It (open)
458Jenc Milan (CZE)1888Snaidr Jiri (CZE)20690-117 ≣B54It (open)05 Jul 2004
702Kilthau Peter (GER)1979Strugnell Carl (FRA)22880-119 ≣B54It (open)12 Jun 2011
462Santiago Pereira ...1894Perez Luis Manuel...24300-131 ≣B54It (open)13 Aug 2004
155Cheron Stephane (...1952Charlot R16700-124 ≣B54It (open) \
538Ezkerro Hernandez...1686Rizouk Aimen (ALG)24700-123 ≣B54It (open)21 Sep 2007
464Smagalski Jarosla...1933Slaby Jerzy (POL)24280-130 ≣B54Ch Poland (team) ...08 Sep 2004
158Lugo Sanchez (SVK)Eordeogh S1-028 ≣B54It (open)
731Pruess David (USA)2395Lobo Richard (ENG)22511-029 ≣B54It \07 Jan 2012
466Saastamoinen Aarn...2162Pulkkinen Kari (FIN)23190-132 ≣B54Ch Finland (team)...18 Sep 2004
631Pacher Simon (AUT)1925Mascher Klemens (...20581-031 ≣B54It (open)20 Aug 2009
164Ewin Hans-Peter (...1946Euler Gerold (GER)0-127 ≣B54It (open)
632Hadrava Jaroslav ...1963Herejk Petr (CZE)21740-122 ≣B54It (open)22 Aug 2009
165Wijnhoven Theo (NED)2047Eckert Frank (GER)22391-027 ≣B54It (open)
173Vecerkova Vlasta ...Blazkova Petra (CZE)21740-131 ≣B54Ch Moravia (open)...
472Boehm Thomas (GER)2205Leks Hanna (POL)22090-126 ≣B54It (open)
168Lindri Juni Wijay...2155Hernandez Yudania...22840-131 ≣B54Olympiad (w)
169Skubicki MatthiasHolz Pascal1-023 ≣B54Ch Emscher-Lippe ...
170Prada Rubin Ferna...2169Rivera Daniel (URU)23800-117 ≣B54It (open)
461Crapulli Giuseppe...Van De Walle Rob0-126 ≣B54Ch NATO13 Aug 2004
493Lamoureux Izabell...2039Bosiocic Marin (CRO)24480-129 ≣B54Ch Mediterranean01 Feb 2006
174Krivec Jana (SLO)2290Madl Ildiko (HUN)24150-131 ≣B54Cup Croatia (w)
175Gonzalez Fuente C...2249Valles Moreno Iva...23940-119 ≣B54It (open)
634Larusson Agnar Da...1752Sigurdsson Sverri...20130-132 ≣B54Ch Iceland (cand.)03 Sep 2009
177Mach Anton (SVK)Stefan Oldrich (SVK)19720-126 ≣B54Ch Slovakia (team...
635Vala Filip (CZE)2058Vecera Pavel (CZE)21880-130 ≣B54It (open)30 Sep 2009
636Wasserbauer Radek1966Vlasak Lukas (CZE)21811-030 ≣B54Extraliga 2009/10...04 Oct 2009
478Zielbauer Thomas ...2105Shengelia Davit (...25470-125 ≣B54It (open)
479Lotsov Har-Zahav ...2036Petry Joachim1-022 ≣B54Ch Europe (seniors)25 Jun 2005
704Cucu Gheorghe (ROM)1823Senetia Teodor (ROM)22110-127 ≣B54Cup Gaudeamus (open)17 Jun 2011
186Seminara Juan Pab...2200Paglilla Carlos (...24000-130 ≣B54Match (team)
187Pangen CTate Emory (USA)23800-121 ≣B54It (open)
638Simakov Andrey (RUS)2032Smirnov Alexey (RUS)24150-125 ≣B54It (open) \07 Nov 2009
191Tsipouris Elefthe...2016Hatzidakis Mihail0-126 ≣B54Ch Greece (junior...
192Nones Ii Teodulfo...2281Gross David (CZE)23850-123 ≣B54Ch World (juniors...
666Carneiro Francisc...1968Barreto Filho Car...23460-128 ≣B54It (open)04 Jun 2010
483Kosolapov Petr (RUS)2034Zaitsev Alexander...23911-032 ≣B54Ch Region10 Aug 2005
671Schaefers Bernd1787Bischoff Dieter (...21140-128 ≣B54It (open)04 Jul 2010
197Kraitner YlanDlugy Maxim (USA)25300-122 ≣B54It (open)
527Isgandarova Khaya...2188Balogh Csaba (HUN)25620-129 ≣B54Cup President03 May 2007
487Almer Julia (SWE)1943Bensdorp Laura (NED)20900-125 ≣B54Ch World (juniors...20 Nov 2005
201Pastor Pons Carlo...2216San Segundo Carri...25200-131 ≣B54It (open)