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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
561Abhinaya SubhechiMehar Chinna Redd...22220-125 ≣B54Cup Mayors (open)11 May 2008
469Abu Sufian Shakil...2317Palit Somak (IND)23400-132 ≣B54It (open)17 Nov 2004
140Alfara J LAdla Diego (ARG)24550-130 ≣B54It (open)
487Almer Julia (SWE)1943Bensdorp Laura (NED)20900-125 ≣B54Ch World (juniors...20 Nov 2005
335Al Sherkh Khade W...Batceceg Tuvshint...22370-128 ≣B54Olympiad (w)
230Ankhchimer Bayanm...2151Gara Anita (HUN)22650-124 ≣B54Ch World (juniors...
339Aout Sebastien (FRA)2157Marino Olivier (FRA)20671-020 ≣B54Ch France (juniors)
475Ascic Pero (CRO)2348Sliepcevic Mladen...21811-032 ≣B54It (open)26 Feb 2005
453Atarov Evgeniy (RUS)2138Baklan Vladimir (...25910-123 ≣B54It (blitz) (qual)
349Ausserer Peter (AUT)Jedinger Andreas ...21010-124 ≣B54Staatsliga B East...
723Avila Pedro (COL)2102Vargas Eduar Misael19071-032 ≣B54It (team)17 Oct 2011
198Bartos Alois (CZE)2077Adamek Zdenek (CZE)22521-032 ≣B54Ch Czech Chess Un...
77Barua Dibyendu (IND)2400Makarichev Sergey...25201-031 ≣B54It
91Basanta Gary (CAN)2324Minaya Juan (COL)22071-028 ≣B54It (open)
443Baxishov A (AZE)Agaragimov Djakha...21540-130 ≣B54Ch Azerbaijan (ju...27 Jan 2004
281Bermudes Eduardo ...2190Zapata Alonso (COL)24540-128 ≣B54Cup Carnaval (open)
624Bharathi R (IND)1952Mamedov Nidjat (AZE)26140-129 ≣B54It (open)
694Blazeka MihaelaPetrusic Toni (CRO)21700-131 ≣B54It (open) (b)13 Apr 2011
472Boehm Thomas (GER)2205Leks Hanna (POL)22090-126 ≣B54It (open)
393Borekci GucluJobava Beglar (GEO)23530-124 ≣B54It (open) \
59Bozic AleksandarDamljanovic Brank...26070-125 ≣B54It30 Jan 1980
661Brkic Ivica (CRO)2164Biliskov Vjekosla...22960-130 ≣B54It (open)09 May 2010
460Bruno Ronald (USA)2214Van Buskirk Charl...22930-122 ≣B54Ch Southern Calif...24 Jul 2004
421Burijovich Lilian...2212Atalik Suat (BIH)25410-130 ≣B54It (open)
96Burshaid LHakki E0-115 ≣B54Olympiad Arab states
238Camara ArturoSuarez Santiago (...21230-122 ≣B54It
367Cardoso Pedro Mad...2180Andrade Leonardo ...22630-129 ≣B54It (open) \
666Carneiro Francisc...1968Barreto Filho Car...23460-128 ≣B54It (open)04 Jun 2010
411Cascudo Pueyo Ign...2051Carracedo Rodrigu...1-026B54It (open) \
491Cetkovic Bozidar ...2215Klasan Vladimir (...22200-130 ≣B54It (open)28 Jan 2006
727Chakeeva AAlpysbayeva Aiger...19950-122 ≣B54It (open)04 Dec 2011
354Chalupecky Vladim...2095Stastny Jan (CZE)21861-030 ≣B54Czech League (V) ...
267Charneira Hermene...2140Costa Paulo (POR)21440-130 ≣B54Ch Portugal (team...
155Cheron Stephane (...1952Charlot R16700-124 ≣B54It (open) \
556Chomski Maciej (POL)1802Wisniowska Klaudi...19880-132B54It (open)25 Mar 2008
221Cipa Michal (POL)2048Kasprzyk Tomasz (...20841-028 ≣B54Ch Poland (team) ...
228Collet MarkLeidorf M0-123 ≣B54It (open)
327Coman OvidiuFlorescu Petru (ROM)21990-122 ≣B54Ch Romania (junio...
113Conquest Stuart (...2460Kotronias Vasilio...25201-024 ≣B54It (open)
740Contreras Miguel ...2088Cifuentes J21140-125 ≣B54It \08 Apr 2012
419Cordovil Joao (POR)2254Costa Paulo (POR)21871-027 ≣B54Ch Portugal (team)
420Cordovil Joao (POR)2254Fernando Diogo (POR)24380-125 ≣B54Ch Portugal (team)
461Crapulli Giuseppe...Van De Walle Rob0-126 ≣B54Ch NATO13 Aug 2004
547Cruz Bartolome (COL)2036Vittorino Carlo (...23430-131 ≣B54It (open)11 Jan 2008
704Cucu Gheorghe (ROM)1823Senetia Teodor (ROM)22110-127 ≣B54Cup Gaudeamus (open)17 Jun 2011
669Da Silva Lucas De...1460Torsani Pires Mar...21130-120 ≣B54Memorial Walter M...02 Jul 2010
218De La Fuente Maya...2212Baron Rodriguez J...22830-125 ≣B54It (open)
591Denisov Ivan (RUS)2189Kharitonov Igor (...21081-024 ≣B54Ch Region (final)23 Nov 2008
541Derevianchenko Il...2296Tsirulnik Mark (UKR)21220-129B54Ch Ukraine (junio...17 Nov 2007
604De Seroux Camille...1950Karasova Daria (RUS)16861-026 ≣B54Ch Europe (w)18 Mar 2009
562Deshmukh Anup (IND)2284Shailendra B23561-027 ≣B54Cup Mayors (open)16 May 2008
309Deuber Roman (SUI)2049Georges Sacha (SUI)22450-125 ≣B54It (open)
569Donohue Tom (SCO)1906Schmerwitz Reinha...19441-025 ≣B54Ch Scotland11 Jul 2008
744Drop Szymon (POL)1766Piotrowski Przemy...19330-129 ≣B54Ch Poland (team) ...
383Duarte Eduarda (ANG)1845Hund Barbara (SUI)22710-129 ≣B54Olympiad (w)
114Efimov Igor (MNC)2430Bjerke Richard (NOR)21351-020 ≣B54It (open)
108Efimov Igor (MNC)2400Yermolinsky Alex ...25150-129 ≣B54It (open)
543Egorova Valentina...1991Epifantsev Igor (...21850-121 ≣B54Ch City (open)
344Enrique Veronica ...Lopez Natalia (ARG)1-032 ≣B54Ch Argentina (jun...
247Erwich Marc JL (NED)2422Vovsha Eli (ISR)22400-117 ≣B54Ch Europe (junior...
164Ewin Hans-Peter (...1946Euler Gerold (GER)0-127 ≣B54It (open)
538Ezkerro Hernandez...1686Rizouk Aimen (ALG)24700-123 ≣B54It (open)21 Sep 2007
322Felegyhazi Laszlo...2300Racz Zoltan (HUN)22931-030 ≣B54Ch Hungary (team)...28 Feb 1999
663Fieberg Samuel (GER)1777Sieber Fiona (GER)16370-123 ≣B54Ch Germany (junio...28 May 2010
135Figuerola AOlmo JL1-024B54It (open)
378Firnigel Janos (HUN)2068Staflin Soren (SWE)20631-029 ≣B54Cup Alfoeld (open)18 Jun 2001
437Flanagan Keith GHeath Jeffrey (ENG)20190-126 ≣B54It (open)23 Oct 2003
407Gabrielian Artur ...2474Shakenov Erzhan (...22940-132 ≣B54It (d)
644Gajdos Daniel (CZE)1774Kredl Karel (CZE)21030-127 ≣B54Memorial Olexa (o...26 Dec 2009
318Galego Luis (POR)2427Limp Eduardo (BRA)24340-117 ≣B54Memorial V.Toth (...
142Gallob BorisWuerl Roland20550-129 ≣B54It (open)
316Galuszka Kamil (POL)2096Mierzynski Jarosl...21541-020 ≣B54Ch Poland (team) ...
53Garcia S Alberto ...Vera Reynaldo (CUB)24920-123 ≣B54?
688Gasa Andrej (SVK)2257Kapusta Petr (CZE)21580-127 ≣B54Ch Slovakia (team...16 Jan 2011
440Gasik Adam (POL)1981Lagowski Patryk (...24060-128 ≣B54It (open)
205Gast Jonathan (SUI)2209Georges Sacha (SUI)23400-128 ≣B54Ch Switzerland (t...
49Gedevanishvili Dm...2380Lukin1-029 ≣B54?
21Gemende GMueller Georg (GER)20541-025 ≣B54corr.
750Gombar Peter (SVK)1983Vermirovsky Vlast...20440-124 ≣B54It (open)23 Sep 2012
303Gomes Joao AMDel Rey Diego (ESP)23690-123 ≣B54It (open)
545Gomez Figueroa Ma...1970Padros Martinez A...18931-021 ≣B54It (open) (b)01 Jan 2008
424Gomez Luna Jorge ...1856Leon Hoyos Manuel...23950-131 ≣B54Tournament
56Gonzales Mestres ...2350Geller Efim P (RUS)25650-129 ≣B54?
360Gonzalez Davila R...2213Risotti Laureano1-026 ≣B54Ch Pan-American (...
175Gonzalez Fuente C...2249Valles Moreno Iva...23940-119 ≣B54It (open)
565Gosic Bogdan (SRB)2337Cabrilo Goran (SRB)25000-130 ≣B54Cup Serbia (team)16 Jun 2008
88Graeffe Petri (FIN)2060Virtanen Antti (FIN)23480-127 ≣B54Ch Finland (juniors)
509Grbovic Veselin (...2271Todorovic Jovan (...23650-127 ≣B54Ch Montenegro (team)25 Sep 2006
305Gregorova Zuzana ...2151Gara Ticia (HUN)22330-127 ≣B54Ch Europe (junior...
44Grigoriou MiltiadisTrikaliotis Georg...22471-026 ≣B54Tournament
667Guerrero Andres (...2195Obregon Rivero Ju...24080-128 ≣B54Memorial J.Capabl...14 Jun 2010
615Guerrero Hernando...1985Vittorino Carlo (...23300-132 ≣B54Ch Colombia (1/2 ...
301Guimaraes Claudio...1963Fernando Diogo (POR)22210-126 ≣B54Ch City
404Gvilava Maya (RUS)2012Nowak Malgorzata ...20841-017 ≣B54Ch Europe (junior...
30Haag Ervin (HUN)2284Dely Peter (HUN)23910-132 ≣B54Ch Hungary
231Hadraba Vladimir ...2265Kovalevskaya Ekat...23500-131 ≣B54It (open)
632Hadrava Jaroslav ...1963Herejk Petr (CZE)21740-122 ≣B54It (open)22 Aug 2009
415Haecker Alexander...2207Koch Moritz (GER)22311-025 ≣B54Ch Germany (junio...
101Harlin Henri (FRA)2106Pal Imre (HUN)21551-028 ≣B54It (open)
160Heedt Thorsten Dr...2170Aseev Konstantin ...25400-129 ≣B54It (open) \