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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
52Smits MauriceAagaard Michael (...20441-015 ≣B54Ch Denmark (juniors)
61Silva Carlos Ales...Abarca Aguirre Ma...23471-030 ≣B54Ch Chile04 Oct 1980
701Heymann-Lobzhanid...1998Abergel Thal (FRA)25020-127 ≣B54It (open)11 Jun 2011
198Bartos Alois (CZE)2077Adamek Zdenek (CZE)22521-032 ≣B54Ch Czech Chess Un...
140Alfara J LAdla Diego (ARG)24550-130 ≣B54It (open)
443Baxishov A (AZE)Agaragimov Djakha...21540-130 ≣B54Ch Azerbaijan (ju...27 Jan 2004
573Sanz Sanz Clement...1790Aguera Naredo Jav...23740-132 ≣B54It (open)23 Jul 2008
334Maduro Sherman (AHO)2230Ahmad Aziz (IRQ)23430-123 ≣B54Olympiad
727Chakeeva AAlpysbayeva Aiger...19950-122 ≣B54It (open)04 Dec 2011
608Herrera Juan Seba...2135Alvarez Javier (COL)21581-021 ≣B54Ch Deptal Valle29 Mar 2009
347Zarza Ronald (PAR)2061Alvarez Johan (VEN)23170-121 ≣B54Ch World (juniors...11 Aug 2000
304Rogado NunoAndrade Leonardo ...21830-118 ≣B54It (open)
367Cardoso Pedro Mad...2180Andrade Leonardo ...22630-129 ≣B54It (open) \
511Kucha Taras (UKR)1861Andreev Vitaliy (...22860-126 ≣B54Ch Ukraine (junio...18 Dec 2006
123Katakis MAndrianov Nikolai...24120-119 ≣B54It (sheveningen)
681Ritenko Vsevolod2130Arakelian Karpo20761-026 ≣B54Tournament \16 Oct 2010
397Lisanti Andre (GER)2284Armbrust Florian ...21931-025 ≣B54Ch SBRhH
160Heedt Thorsten Dr...2170Aseev Konstantin ...25400-129 ≣B54It (open) \
699Shetye Shyam (IND)1850Aswin Jayaram (IND)24730-125 ≣B54It \28 May 2011
248Olsson Anders (SWE)2280Atakisi Umut (TUR)21001-024 ≣B54Ch Europe (junior...
421Burijovich Lilian...2212Atalik Suat (BIH)25410-130 ≣B54It (open)
144Kofidis Andreas (...2403Atalik Suat (BIH)25350-117 ≣B54It (open)
387Kurochkin Victor ...2415Baklan Vladimir (...26050-128 ≣B54Ch Russia (club)
453Atarov Evgeniy (RUS)2138Baklan Vladimir (...25910-123 ≣B54It (blitz) (qual)
613Padhya Saumil (IND)1845Bakre Tejas (IND)24530-131 ≣B54Cup Mayors (open)01 May 2009
527Isgandarova Khaya...2188Balogh Csaba (HUN)25620-129 ≣B54Cup President03 May 2007
111Schloetterer Herm...1947Barbero Gerardo F...24410-132 ≣B54It (open)
235Romero Calderon C...2113Baron Rodriguez J...22830-131 ≣B54It (open)
218De La Fuente Maya...2212Baron Rodriguez J...22830-125 ≣B54It (open)
666Carneiro Francisc...1968Barreto Filho Car...23460-128 ≣B54It (open)04 Jun 2010
621Lima Luiz Alexand...2004Barreto Filho Car...22570-121 ≣B54Tournament (open)12 Jun 2009
342Sardi AliceBarzanu Iulian (ROM)21171-021 ≣B54It (active)
335Al Sherkh Khade W...Batceceg Tuvshint...22370-128 ≣B54Olympiad (w)
618Van De Griend Joh...1922Beeke Bobby (NED)21890-124 ≣B54It (open)06 Jun 2009
487Almer Julia (SWE)1943Bensdorp Laura (NED)20900-125 ≣B54Ch World (juniors...20 Nov 2005
374Svagusa Boris (CRO)Biliskov Vjekosla...23350-121 ≣B54Cup Dalmatia (team)
661Brkic Ivica (CRO)2164Biliskov Vjekosla...22960-130 ≣B54It (open)09 May 2010
207Sevo Igor (CRO)2256Biliskov Vjekosla...23350-127 ≣B54It (open)
484Marcek Jan (SVK)1997Biros Robert (SVK)22020-132 ≣B54It (open)10 Sep 2005
671Schaefers Bernd1787Bischoff Dieter (...21140-128 ≣B54It (open)04 Jul 2010
114Efimov Igor (MNC)2430Bjerke Richard (NOR)21351-020 ≣B54It (open)
173Vecerkova Vlasta ...Blazkova Petra (CZE)21740-131 ≣B54Ch Moravia (open)...
352Salazar Anibal (VEN)Borges Gabriel (VEN)22280-130 ≣B54Ch Venezuela
493Lamoureux Izabell...2039Bosiocic Marin (CRO)24480-129 ≣B54Ch Mediterranean01 Feb 2006
300Petrovic GoranBrenke Andreas (GER)23010-125 ≣B54It (open)
489Wiesinger Robert ...2235Butunoi Alexandru...24180-130 ≣B54It (open)27 Dec 2005
565Gosic Bogdan (SRB)2337Cabrilo Goran (SRB)25000-130 ≣B54Cup Serbia (team)16 Jun 2008
659Oliveira Maicon A...Campos Westerley ...1-017 ≣B54Tournament (open)20 Apr 2010
726Sztokbant Bernard...1969Caprio Guido (ITA)23541-022 ≣B54Ch World (juniors...19 Nov 2011
94Nagy Janos (HUN)2214Cardon Helmut (NED)23790-129 ≣B54It (open) \
411Cascudo Pueyo Ign...2051Carracedo Rodrigu...1-026B54It (open) \
439Polacik Igor (SVK)2014Castiglione Mario...22650-127 ≣B54Ch Slovakia (team...
568Sterba Karel (CZE)1855Cekan Petr (CZE)19391-031 ≣B54It (open)
155Cheron Stephane (...1952Charlot R16700-124 ≣B54It (open) \
578Kyas Philipp (GER)1889Chmielewski Jakub...17481-030 ≣B54Ch European Union...08 Aug 2008
660Zochowski Kacper ...1903Chmielewski Jakub...17511-023 ≣B54Ch Poland (junior...04 May 2010
396Reinoso S (PER)Choque J (PER)0-129 ≣B54Tournament (swiss)
518Malec Sebastian (...1779Cichy Kamil (POL)17730-129 ≣B54Ch Poland (junior...05 Mar 2007
517Tobolski Jakub (POL)2001Cichy Kamil (POL)17731-028 ≣B54It (open)18 Feb 2007
740Contreras Miguel ...2088Cifuentes J21140-125 ≣B54It \08 Apr 2012
97Wilfling Hermann ...2147Cigan Stefan (SLO)23430-120 ≣B54It
107Paizis Adamantia ...2090Clarke Thomas (IRL)22151-021 ≣B54Olympiad
219Mogranzini Robert...2439Computer \1-022 ≣B54Match
419Cordovil Joao (POR)2254Costa Paulo (POR)21871-027 ≣B54Ch Portugal (team)
267Charneira Hermene...2140Costa Paulo (POR)21440-130 ≣B54Ch Portugal (team...
257Paulino Jose (POR)2039Costa Paulo (POR)21440-131 ≣B54Ch Portugal (qual)
100Miranda Ponce Alv...2234D'Adamo Ettore0-125 ≣B54corr.
59Bozic AleksandarDamljanovic Brank...26070-125 ≣B54It30 Jan 1980
521Varkvasov ValeryDavyidenko Stepan...19600-129 ≣B54Ch SibFO (open)22 Mar 2007
297Sobol GustavoDella Morte Pablo...22200-120 ≣B54Ch Argentina (jun...
303Gomes Joao AMDel Rey Diego (ESP)23690-123 ≣B54It (open)
30Haag Ervin (HUN)2284Dely Peter (HUN)23910-132 ≣B54Ch Hungary
110Sosa Luis (PUR)2133Dlugy Maxim (USA)25250-130 ≣B54It (open)
197Kraitner YlanDlugy Maxim (USA)25300-122 ≣B54It (open)
317Marineau RemiDoire Daniel1-024 ≣B54Tournament \
206Todorovic Bojan (...2288Dragasevic-G Anto...22051-032 ≣B54Ch Yugoslavia (te...
346Rydzik Karol (POL)2077Dziuba Marcin (POL)23920-126 ≣B54Ch Poland (team)
165Wijnhoven Theo (NED)2047Eckert Frank (GER)22391-027 ≣B54It (open)
438Trotto Pierangelo...1904Efimov Igor (MNC)24590-120 ≣B54It
158Lugo Sanchez (SVK)Eordeogh S1-028 ≣B54It (open)
543Egorova Valentina...1991Epifantsev Igor (...21850-121 ≣B54Ch City (open)
220Muekke JFErhard Walter18201-029 ≣B54It (open)
533Py Walter (FRA)2108Estremera Panos S...24000-130 ≣B54It (open)
164Ewin Hans-Peter (...1946Euler Gerold (GER)0-127 ≣B54It (open)
125Teodoro Eduardo (...2387Fedorowicz John P...25600-126 ≣B54It (open)
313Lewis James E (DOM)2206Fernandez John C ...21561-023 ≣B54It (open) \
689Vazquez Gonzalez ...2078Fernandez Lledo J...21711-032B54Ch Madrid (1/2 fi...28 Jan 2011
301Guimaraes Claudio...1963Fernando Diogo (POR)22210-126 ≣B54Ch City
302Torres Jose Artur...2215Fernando Diogo (POR)22210-123 ≣B54It
420Cordovil Joao (POR)2254Fernando Diogo (POR)24380-125 ≣B54Ch Portugal (team)
398Ramos Cantos Juan...1895Fernando Diogo (POR)24230-122 ≣B54It (open)
506Wawrowski Zbignie...2215Filipenko Alexand...23761-031 ≣B54It (open) (a)19 Aug 2006
414Macharacek Simon ...2209Firt Stanislav (CZE)23531-024 ≣B54Moravian League 2...
327Coman OvidiuFlorescu Petru (ROM)21990-122 ≣B54Ch Romania (junio...
230Ankhchimer Bayanm...2151Gara Anita (HUN)22650-124 ≣B54Ch World (juniors...
305Gregorova Zuzana ...2151Gara Ticia (HUN)22330-127 ≣B54Ch Europe (junior...
56Gonzales Mestres ...2350Geller Efim P (RUS)25650-129 ≣B54?
309Deuber Roman (SUI)2049Georges Sacha (SUI)22450-125 ≣B54It (open)
205Gast Jonathan (SUI)2209Georges Sacha (SUI)23400-128 ≣B54Ch Switzerland (t...
336Zorko Jure (SLO)2456Gomboc Miha (SLO)21850-129 ≣B54Ch Slovenia