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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
191Tsipouris Elefthe...2016Hatzidakis Mihail0-126 ≣B54Ch Greece (junior...
192Nones Ii Teodulfo...2281Gross David (CZE)23850-123 ≣B54Ch World (juniors...
631Pacher Simon (AUT)1925Mascher Klemens (...20581-031 ≣B54It (open)20 Aug 2009
632Hadrava Jaroslav ...1963Herejk Petr (CZE)21740-122 ≣B54It (open)22 Aug 2009
478Zielbauer Thomas ...2105Shengelia Davit (...25470-125 ≣B54It (open)
479Lotsov Har-Zahav ...2036Petry Joachim1-022 ≣B54Ch Europe (seniors)25 Jun 2005
197Kraitner YlanDlugy Maxim (USA)25300-122 ≣B54It (open)
398Ramos Cantos Juan...1895Fernando Diogo (POR)24230-122 ≣B54It (open)
634Larusson Agnar Da...1752Sigurdsson Sverri...20130-132 ≣B54Ch Iceland (cand.)03 Sep 2009
201Pastor Pons Carlo...2216San Segundo Carri...25200-131 ≣B54It (open)
514Purgar Ivona (CRO)2023Solic Kristina (CRO)21480-132 ≣B54It (open) (w)08 Jan 2007
635Vala Filip (CZE)2058Vecera Pavel (CZE)21880-130 ≣B54It (open)30 Sep 2009
205Gast Jonathan (SUI)2209Georges Sacha (SUI)23400-128 ≣B54Ch Switzerland (t...
206Todorovic Bojan (...2288Dragasevic-G Anto...22051-032 ≣B54Ch Yugoslavia (te...
210Parkanyi Attila (...2380Nogrady Vilmos (HUN)22900-123 ≣B54Memorial Schneide...
483Kosolapov Petr (RUS)2034Zaitsev Alexander...23911-032 ≣B54Ch Region10 Aug 2005
487Almer Julia (SWE)1943Bensdorp Laura (NED)20900-125 ≣B54Ch World (juniors...20 Nov 2005
98Kuutti LauriTorkkola Simo0-132 ≣B54It (open)
489Wiesinger Robert ...2235Butunoi Alexandru...24180-130 ≣B54It (open)27 Dec 2005
217Liska Jaroslav (SVK)1973Kopjonkin Gennady...23400-122 ≣B54Ch Slovakia
219Mogranzini Robert...2439Computer \1-022 ≣B54Match
220Muekke JFErhard Walter18201-029 ≣B54It (open)
221Cipa Michal (POL)2048Kasprzyk Tomasz (...20841-028 ≣B54Ch Poland (team) ...
636Wasserbauer Radek1966Vlasak Lukas (CZE)21811-030 ≣B54Extraliga 2009/10...04 Oct 2009
491Cetkovic Bozidar ...2215Klasan Vladimir (...22200-130 ≣B54It (open)28 Jan 2006
492Ivanov Cvetalin (...2104Mladenov Plamen (...22290-129 ≣B54Ch Bulgaria (juni...
638Simakov Andrey (RUS)2032Smirnov Alexey (RUS)24150-125 ≣B54It (open) \07 Nov 2009
495Vargyas Zoltan (HUN)2160Havaskori Laszlo ...20291-030 ≣B54Tournament (Elo) (a)14 Feb 2006
228Collet MarkLeidorf M0-123 ≣B54It (open)
229Van Riemsdijk Vin...2201Tsuboi Edson Kenj...23450-125 ≣B54Ch Brazil (1/2 fi...
496Trujillo Delgado ...2206Schepetkova Marga...21651-028 ≣B54It (w)07 Mar 2006
231Hadraba Vladimir ...2265Kovalevskaya Ekat...23500-131 ≣B54It (open)
232Schmeing WalterStillger Bernhard...23100-123 ≣B54Oberliga NRW 1996/97
233Nagy Janos (HUN)2260Monus Zoltan (HUN)20921-029 ≣B54Memorial Erkel
234Van Rijn Wouter (...2235Greenfeld Alon (ISR)25400-126 ≣B54It (open)
704Cucu Gheorghe (ROM)1823Senetia Teodor (ROM)22110-127 ≣B54Cup Gaudeamus (open)17 Jun 2011
498Rawicz Karol (POL)2100Pigula Marek (POL)20761-029 ≣B54Ch Poland (junior...27 Mar 2006
238Camara ArturoSuarez Santiago (...21230-122 ≣B54It
639Hernandez SchneiderJimenez Daniel (COL)19920-127 ≣B54Ch Colombia (amat...14 Nov 2009
342Sardi AliceBarzanu Iulian (ROM)21171-021 ≣B54It (active)
61Silva Carlos Ales...Abarca Aguirre Ma...23471-030 ≣B54Ch Chile04 Oct 1980
503KolodinPauli Stanislav (...20790-129 ≣B54Tournament (open)
707Szukics Adam (HUN)1646Ugroczky Peter (HUN)16881-030 ≣B54Ch Hungary (junio...29 Jun 2011
505Krumbke Nadine (GER)1826Mikliaeva Darja S...21370-119 ≣B54Ch Germany (open)...06 Aug 2006
246Stepanovic Branis...1995Stefan Oldrich (SVK)19721-024 ≣B54Ch Slovakia (team...
247Erwich Marc JL (NED)2422Vovsha Eli (ISR)22400-117 ≣B54Ch Europe (junior...
506Wawrowski Zbignie...2215Filipenko Alexand...23761-031 ≣B54It (open) (a)19 Aug 2006
507Leukkunen Raimo (...1966Kiselev Gennady (...24190-128 ≣B54It (open)25 Aug 2006
750Gombar Peter (SVK)1983Vermirovsky Vlast...20440-124 ≣B54It (open)23 Sep 2012
509Grbovic Veselin (...2271Todorovic Jovan (...23650-127 ≣B54Ch Montenegro (team)25 Sep 2006
252Klimpel Thomas (GER)2154Heining Thomas (GER)20720-129 ≣B54It (open)
253Sanner Dennis (GER)2297Heining Thomas (GER)20721-027 ≣B54It (open)
512Shabanov Denis (BLR)2147Kryakvin Dmitry (...25210-131 ≣B54It (b)21 Dec 2006
257Paulino Jose (POR)2039Costa Paulo (POR)21440-131 ≣B54Ch Portugal (qual)
644Gajdos Daniel (CZE)1774Kredl Karel (CZE)21030-127 ≣B54Memorial Olexa (o...26 Dec 2009
645Xiong Ferdinand (...1822Grigorian Spartak...17621-032 ≣B54Ch Germany (junio...29 Dec 2009
607So Wesley (PHI)2646Nolte Rolando (PHI)24581-027 ≣B54It (cat.11) \26 Mar 2009
517Tobolski Jakub (POL)2001Cichy Kamil (POL)17731-028 ≣B54It (open)18 Feb 2007
267Charneira Hermene...2140Costa Paulo (POR)21440-130 ≣B54Ch Portugal (team...
424Gomez Luna Jorge ...1856Leon Hoyos Manuel...23950-131 ≣B54Tournament
269Kowalewski Jarosl...2060Michniewski Tomas...21730-126 ≣B54Ch Milanowek
709Poznanska Katarzy...2062Hoffmann Paul (GER)23171-026 ≣B54Memorial M.Najdor...14 Jul 2011
518Malec Sebastian (...1779Cichy Kamil (POL)17730-129 ≣B54Ch Poland (junior...05 Mar 2007
711Stasius Vidmantas...1984Petraitis Gintaut...19460-124 ≣B54It (open)26 Jul 2011
737Vogel Johannes (GER)2102Gschnitzer Oswald...24660-125 ≣B54It \17 Feb 2012
521Varkvasov ValeryDavyidenko Stepan...19600-129 ≣B54Ch SibFO (open)22 Mar 2007
652Zozulia Anna (BEL)2343Kosteniuk Alexand...25240-132 ≣B54It (open) \02 Feb 2010
525Vlietstra M2022Toth Andras (HUN)24100-131 ≣B54It (open)11 Apr 2007
349Ausserer Peter (AUT)Jedinger Andreas ...21010-124 ≣B54Staatsliga B East...
526Zozulia Anna (BEL)2347Sikula Vaszilij (...25500-131 ≣B54It (open)18 Apr 2007
282Majul Isolina (COL)2088Villegas John19201-028 ≣B54Tournament
283Rieder Josef (GER)2043Solomunovic Igor ...23450-127 ≣B54It (open)
746Pedrotti Luciano ...1812Nepi Ezio (ITA)19270-132 ≣B54It (open)28 Jul 2012
160Heedt Thorsten Dr...2170Aseev Konstantin ...25400-129 ≣B54It (open) \
530Nguyen Viet Chung...2164Ton That Nhu Tung...22160-131 ≣B54Ch Vietnam (junio...11 Jul 2007
287Vavra Jan (CZE)2166Schula Michal (CZE)22420-128 ≣B54Czech League 1999...
659Oliveira Maicon A...Campos Westerley ...1-017 ≣B54Tournament (open)20 Apr 2010
533Py Walter (FRA)2108Estremera Panos S...24000-130 ≣B54It (open)
291Prause RobertLipinsky Fabian (...23310-121 ≣B54Bundesliga (junio...
292Jazeschen UweSturm Bernhard (GER)22220-132 ≣B54Oberliga Southwes...
660Zochowski Kacper ...1903Chmielewski Jakub...17511-023 ≣B54Ch Poland (junior...04 May 2010
44Grigoriou MiltiadisTrikaliotis Georg...22471-026 ≣B54Tournament
297Sobol GustavoDella Morte Pablo...22200-120 ≣B54Ch Argentina (jun...
541Derevianchenko Il...2296Tsirulnik Mark (UKR)21220-129B54Ch Ukraine (junio...17 Nov 2007
301Guimaraes Claudio...1963Fernando Diogo (POR)22210-126 ≣B54Ch City
302Torres Jose Artur...2215Fernando Diogo (POR)22210-123 ≣B54It
303Gomes Joao AMDel Rey Diego (ESP)23690-123 ≣B54It (open)
305Gregorova Zuzana ...2151Gara Ticia (HUN)22330-127 ≣B54Ch Europe (junior...
306Ravnik Franc (SLO)1913Nevednichy Vladis...25370-131 ≣B54It (open)
317Marineau RemiDoire Daniel1-024 ≣B54Tournament \
661Brkic Ivica (CRO)2164Biliskov Vjekosla...22960-130 ≣B54It (open)09 May 2010
309Deuber Roman (SUI)2049Georges Sacha (SUI)22450-125 ≣B54It (open)
310La Rocca MarkIvanov Alexander ...25150-129 ≣B54It (open)
543Egorova Valentina...1991Epifantsev Igor (...21850-121 ≣B54Ch City (open)
313Lewis James E (DOM)2206Fernandez John C ...21561-023 ≣B54It (open) \
544Tashimova Nadiya ...2094Pak Evgeniy (KAZ)21840-121 ≣B54It (open)17 Dec 2007
545Gomez Figueroa Ma...1970Padros Martinez A...18931-021 ≣B54It (open) (b)01 Jan 2008
316Galuszka Kamil (POL)2096Mierzynski Jarosl...21541-020 ≣B54Ch Poland (team) ...
699Shetye Shyam (IND)1850Aswin Jayaram (IND)24730-125 ≣B54It \28 May 2011
547Cruz Bartolome (COL)2036Vittorino Carlo (...23430-131 ≣B54It (open)11 Jan 2008