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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
53Garcia S Alberto ...Vera Reynaldo (CUB)24920-123 ≣B54?
56Gonzales Mestres ...2350Geller Efim P (RUS)25650-129 ≣B54?
49Gedevanishvili Dm...2380Lukin1-029 ≣B54?
291Prause RobertLipinsky Fabian (...23310-121 ≣B54Bundesliga (junio...
370Milovanovic DraganKrush Irina (USA)24110-130 ≣B54Ch Amateur Team
297Sobol GustavoDella Morte Pablo...22200-120 ≣B54Ch Argentina (jun...
344Enrique Veronica ...Lopez Natalia (ARG)1-032 ≣B54Ch Argentina (jun...
572Nandhidhaa P V (IND)1823Zhaksybek Yenglik1-027 ≣B54Ch Asia (juniors)...21 Jul 2008
698Wong Ka KuanShah Muradi Mohammad0-129 ≣B54Ch Asia (juniors)...17 May 2011
443Baxishov A (AZE)Agaragimov Djakha...21540-130 ≣B54Ch Azerbaijan (ju...27 Jan 2004
442Rasulov RashadMamedov Nidjat (AZE)24600-128 ≣B54Ch Azerbaijan (ju...26 Jan 2004
229Van Riemsdijk Vin...2201Tsuboi Edson Kenj...23450-125 ≣B54Ch Brazil (1/2 fi...
492Ivanov Cvetalin (...2104Mladenov Plamen (...22290-129 ≣B54Ch Bulgaria (juni...
61Silva Carlos Ales...Abarca Aguirre Ma...23471-030 ≣B54Ch Chile04 Oct 1980
301Guimaraes Claudio...1963Fernando Diogo (POR)22210-126 ≣B54Ch City
543Egorova Valentina...1991Epifantsev Igor (...21850-121 ≣B54Ch City (open)
597Polyansky Viktor ...2027Provkin Vladimir ...22540-125 ≣B54Ch City (open)18 Feb 2009
615Guerrero Hernando...1985Vittorino Carlo (...23300-132 ≣B54Ch Colombia (1/2 ...
639Hernandez SchneiderJimenez Daniel (COL)19920-127 ≣B54Ch Colombia (amat...14 Nov 2009
368Sequeda Nancy (VEN)2065Pina Sulennis (SUL)23450-117 ≣B54Ch Continent (w)
198Bartos Alois (CZE)2077Adamek Zdenek (CZE)22521-032 ≣B54Ch Czech Chess Un...
52Smits MauriceAagaard Michael (...20441-015 ≣B54Ch Denmark (juniors)
608Herrera Juan Seba...2135Alvarez Javier (COL)21581-021 ≣B54Ch Deptal Valle29 Mar 2009
169Skubicki MatthiasHolz Pascal1-023 ≣B54Ch Emscher-Lippe ...
578Kyas Philipp (GER)1889Chmielewski Jakub...17481-030 ≣B54Ch European Union...08 Aug 2008
247Erwich Marc JL (NED)2422Vovsha Eli (ISR)22400-117 ≣B54Ch Europe (junior...
404Gvilava Maya (RUS)2012Nowak Malgorzata ...20841-017 ≣B54Ch Europe (junior...
248Olsson Anders (SWE)2280Atakisi Umut (TUR)21001-024 ≣B54Ch Europe (junior...
305Gregorova Zuzana ...2151Gara Ticia (HUN)22330-127 ≣B54Ch Europe (junior...
479Lotsov Har-Zahav ...2036Petry Joachim1-022 ≣B54Ch Europe (seniors)25 Jun 2005
604De Seroux Camille...1950Karasova Daria (RUS)16861-026 ≣B54Ch Europe (w)18 Mar 2009
88Graeffe Petri (FIN)2060Virtanen Antti (FIN)23480-127 ≣B54Ch Finland (juniors)
388Pesola Jyrki (FIN)2078Puuska Heini (FIN)20391-030B54Ch Finland (team)...
466Saastamoinen Aarn...2162Pulkkinen Kari (FIN)23190-132 ≣B54Ch Finland (team)...18 Sep 2004
683Oim Tonu (EST)Nevanlinna Risto ...22560-131 ≣B54Ch Finland (team)...21 Nov 2010
339Aout Sebastien (FRA)2157Marino Olivier (FRA)20671-020 ≣B54Ch France (juniors)
645Xiong Ferdinand (...1822Grigorian Spartak...17621-032 ≣B54Ch Germany (junio...29 Dec 2009
415Haecker Alexander...2207Koch Moritz (GER)22311-025 ≣B54Ch Germany (junio...
663Fieberg Samuel (GER)1777Sieber Fiona (GER)16370-123 ≣B54Ch Germany (junio...28 May 2010
104Tietjen Daniela (...2010Woitinski J0-115 ≣B54Ch Germany (junio...
505Krumbke Nadine (GER)1826Mikliaeva Darja S...21370-119 ≣B54Ch Germany (open)...06 Aug 2006
593Vidal Zamora Alex...2058Lillo Castan Vict...21770-116 ≣B54Ch Girona30 Nov 2008
191Tsipouris Elefthe...2016Hatzidakis Mihail0-126 ≣B54Ch Greece (junior...
30Haag Ervin (HUN)2284Dely Peter (HUN)23910-132 ≣B54Ch Hungary
725Markos Adam (HUN)1935Ugroczky Peter (HUN)16881-025 ≣B54Ch Hungary (junio...05 Nov 2011
707Szukics Adam (HUN)1646Ugroczky Peter (HUN)16881-030 ≣B54Ch Hungary (junio...29 Jun 2011
322Felegyhazi Laszlo...2300Racz Zoltan (HUN)22931-030 ≣B54Ch Hungary (team)...28 Feb 1999
634Larusson Agnar Da...1752Sigurdsson Sverri...20130-132 ≣B54Ch Iceland (cand.)03 Sep 2009
366Lopes Raul (POR)1891Lameira Dinis (POR)20450-121 ≣B54Ch Lisbon
689Vazquez Gonzalez ...2078Fernandez Lledo J...21711-032B54Ch Madrid (1/2 fi...28 Jan 2011
399Segura Ariza Jose...2215Mascaro March Ped...23230-120 ≣B54Ch Mallorca (team)
147Levitan Yuliya (USA)2220Vulicevic Nenad (...23630-132 ≣B54Ch Manhattan Ches...
493Lamoureux Izabell...2039Bosiocic Marin (CRO)24480-129 ≣B54Ch Mediterranean01 Feb 2006
269Kowalewski Jarosl...2060Michniewski Tomas...21730-126 ≣B54Ch Milanowek
509Grbovic Veselin (...2271Todorovic Jovan (...23650-127 ≣B54Ch Montenegro (team)25 Sep 2006
173Vecerkova Vlasta ...Blazkova Petra (CZE)21740-131 ≣B54Ch Moravia (open)...
461Crapulli Giuseppe...Van De Walle Rob0-126 ≣B54Ch NATO13 Aug 2004
401Kamstra Jippe (NED)2121Plukkel Sjoerd (NED)21700-131 ≣B54Ch Netherlands (j...
360Gonzalez Davila R...2213Risotti Laureano1-026 ≣B54Ch Pan-American (...
518Malec Sebastian (...1779Cichy Kamil (POL)17730-129 ≣B54Ch Poland (junior...05 Mar 2007
554Sliwicki Damian (...1738Miskiewicz Kamil ...17311-032 ≣B54Ch Poland (junior...15 Mar 2008
660Zochowski Kacper ...1903Chmielewski Jakub...17511-023 ≣B54Ch Poland (junior...04 May 2010
498Rawicz Karol (POL)2100Pigula Marek (POL)20761-029 ≣B54Ch Poland (junior...27 Mar 2006
346Rydzik Karol (POL)2077Dziuba Marcin (POL)23920-126 ≣B54Ch Poland (team)
464Smagalski Jarosla...1933Slaby Jerzy (POL)24280-130 ≣B54Ch Poland (team) ...08 Sep 2004
316Galuszka Kamil (POL)2096Mierzynski Jarosl...21541-020 ≣B54Ch Poland (team) ...
221Cipa Michal (POL)2048Kasprzyk Tomasz (...20841-028 ≣B54Ch Poland (team) ...
744Drop Szymon (POL)1766Piotrowski Przemy...19330-129 ≣B54Ch Poland (team) ...
364Stuczynski Andrze...2257Kulczyk Pawel (POL)20651-020 ≣B54Ch Poland (team) ...
257Paulino Jose (POR)2039Costa Paulo (POR)21440-131 ≣B54Ch Portugal (qual)
420Cordovil Joao (POR)2254Fernando Diogo (POR)24380-125 ≣B54Ch Portugal (team)
419Cordovil Joao (POR)2254Costa Paulo (POR)21871-027 ≣B54Ch Portugal (team)
267Charneira Hermene...2140Costa Paulo (POR)21440-130 ≣B54Ch Portugal (team...
550Ivanov Rostislav ...2252Panchenko Alexand...22790-127 ≣B54Ch PriFO26 Jan 2008
483Kosolapov Petr (RUS)2034Zaitsev Alexander...23911-032 ≣B54Ch Region10 Aug 2005
591Denisov Ivan (RUS)2189Kharitonov Igor (...21081-024 ≣B54Ch Region (final)23 Nov 2008
741Miroi Robert-Andrei1817Radulescu Vlad-Al...18360-127 ≣B54Ch Romania (junio...08 Apr 2012
327Coman OvidiuFlorescu Petru (ROM)21990-122 ≣B54Ch Romania (junio...
387Kurochkin Victor ...2415Baklan Vladimir (...26050-128 ≣B54Ch Russia (club)
397Lisanti Andre (GER)2284Armbrust Florian ...21931-025 ≣B54Ch SBRhH
569Donohue Tom (SCO)1906Schmerwitz Reinha...19441-025 ≣B54Ch Scotland11 Jul 2008
717Rocen BojanaTomin Ksenija (SRB)19010-123 ≣B54Ch Serbia (team P...29 Aug 2011
521Varkvasov ValeryDavyidenko Stepan...19600-129 ≣B54Ch SibFO (open)22 Mar 2007
217Liska Jaroslav (SVK)1973Kopjonkin Gennady...23400-122 ≣B54Ch Slovakia
177Mach Anton (SVK)Stefan Oldrich (SVK)19720-126 ≣B54Ch Slovakia (team...
246Stepanovic Branis...1995Stefan Oldrich (SVK)19721-024 ≣B54Ch Slovakia (team...
439Polacik Igor (SVK)2014Castiglione Mario...22650-127 ≣B54Ch Slovakia (team...
688Gasa Andrej (SVK)2257Kapusta Petr (CZE)21580-127 ≣B54Ch Slovakia (team...16 Jan 2011
336Zorko Jure (SLO)2456Gomboc Miha (SLO)21850-129 ≣B54Ch Slovenia
117Zugaj Fjodor (SLO)2211Podvrsnik Marko (...21960-126 ≣B54Ch Slovenia
594Vucko Maja (SLO)1963Grosar Kiti (SLO)22210-132 ≣B54Ch Slovenia (team...30 Nov 2008
460Bruno Ronald (USA)2214Van Buskirk Charl...22930-122 ≣B54Ch Southern Calif...24 Jul 2004
205Gast Jonathan (SUI)2209Georges Sacha (SUI)23400-128 ≣B54Ch Switzerland (t...
541Derevianchenko Il...2296Tsirulnik Mark (UKR)21220-129B54Ch Ukraine (junio...17 Nov 2007
511Kucha Taras (UKR)1861Andreev Vitaliy (...22860-126 ≣B54Ch Ukraine (junio...18 Dec 2006
10Ravinsky Grigory ...Ufimtsev Anatoly ...1-030 ≣B54Ch URS (1/2 final)
352Salazar Anibal (VEN)Borges Gabriel (VEN)22280-130 ≣B54Ch Venezuela
720Somasundram Jayak...1959Paseka Christian ...17521-032 ≣B54Ch Vienna State (b)17 Sep 2011
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...