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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
229Van Riemsdijk Vin...2201Tsuboi Edson Kenj...23450-125 ≣B54Ch Brazil (1/2 fi...
204Daude Puvill Anto...2202Gomez Jurado Luis...22750-119 ≣B33It (open)
654Weber Christoph (...2202Titz Heimo (AUT)22250-129 ≣B33Bundesliga B Mitt...27 Feb 2010
345Van Den Berg Ad (...2202Mellegers Joost (...22520-119 ≣B33It (open)
315Cernousek Lukas (...2203Snajdr Jiri0-128B33Ch Czech Republic...
324Aftsoglou Ioannis...2203Nikolaidis Ioanni...25120-119 ≣A04Ch Greece
611Maravic Stjepan (...2203Zecevic Dean (CRO)22131-024 ≣A43Ch Croatia (team)...26 Apr 2009
298Gruca Miroslav (SVK)2204Hlas Jan (SVK)21180-132 ≣B33Ch Slovakia (juni...
721Zivkovic Branimir...2204Simonovic Aleksan...24010-126 ≣B33Ch Central Serbia...20 Sep 2011
65Yuja H (HON)2205Luk Luen-Wah (HKG)22151-032 ≣B33Olympiad
472Boehm Thomas (GER)2205Leks Hanna (POL)22090-126 ≣B54It (open)
496Trujillo Delgado ...2206Schepetkova Marga...21651-028 ≣B54It (w)07 Mar 2006
286Cubas Jose Fernan...2206Chemin Vitorio (BRA)22800-127 ≣B33It (cat.3)
313Lewis James E (DOM)2206Fernandez John C ...21561-023 ≣B54It (open) \
415Haecker Alexander...2207Koch Moritz (GER)22311-025 ≣B54Ch Germany (junio...
205Gast Jonathan (SUI)2209Georges Sacha (SUI)23400-128 ≣B54Ch Switzerland (t...
455Macharacek Simon ...2209Gutman Gennadi (UKR)25080-132 ≣B54It (open) \
414Macharacek Simon ...2209Firt Stanislav (CZE)23531-024 ≣B54Moravian League 2...
402Cooke Eric (USA)2210Perez Luis Manuel...23890-122 ≣B33It (open)
289Marteau Yann (FRA)2210Dens Cedric (FRA)20621-029 ≣B33Ch France (junior...
325Leite Eduardo S (...2210Chemin Vitorio (BRA)23090-118 ≣B33Ch Brazil
117Zugaj Fjodor (SLO)2211Podvrsnik Marko (...21960-126 ≣B54Ch Slovenia
421Burijovich Lilian...2212Atalik Suat (BIH)25410-130 ≣B54It (open)
218De La Fuente Maya...2212Baron Rodriguez J...22830-125 ≣B54It (open)
360Gonzalez Davila R...2213Risotti Laureano1-026 ≣B54Ch Pan-American (...
460Bruno Ronald (USA)2214Van Buskirk Charl...22930-122 ≣B54Ch Southern Calif...24 Jul 2004
94Nagy Janos (HUN)2214Cardon Helmut (NED)23790-129 ≣B54It (open) \
491Cetkovic Bozidar ...2215Klasan Vladimir (...22200-130 ≣B54It (open)28 Jan 2006
506Wawrowski Zbignie...2215Filipenko Alexand...23761-031 ≣B54It (open) (a)19 Aug 2006
42Kivioja Endel (EST)2215Stein Leonid Z (UKR)26050-127 ≣B33It
399Segura Ariza Jose...2215Mascaro March Ped...23230-120 ≣B54Ch Mallorca (team)
302Torres Jose Artur...2215Fernando Diogo (POR)22210-123 ≣B54It
201Pastor Pons Carlo...2216San Segundo Carri...25200-131 ≣B54It (open)
653Ruiz Gutierrez Ma...2217Ladron De Guevara...22151-026 ≣A04It (open)25 Feb 2010
389Hilbig Olaf (GER)2217Agdestein Simen (...25780-132 ≣A00Bundesliga 2002/03
62Thinnsen James A ...2220Strauss David J (...24200-113 ≣B50It (open)
147Levitan Yuliya (USA)2220Vulicevic Nenad (...23630-132 ≣B54Ch Manhattan Ches...
616Laarhoven Thijs (...2222Brandenburg Daan ...24630-126 ≣B33It (open)
69Oliveira Antonio ...2222Arlandi Ennio (ITA)24360-131 ≣B33Ch Europe (junior...
400Tan Kevin (NED)2222Van Eijk Sander (...23721-032 ≣B33Ch Netherlands (j...
422Pena Gomez Manuel...2223Moreno Tejera Emi...22750-130 ≣B53Ch Spain (juniors...
501Angelov Angel (BUL)2224Rusev Krasimir (BUL)24531-031 ≣B53It (open)14 May 2006
68Willecke Dirk2225Brumm Carsten Dr ...22420-123 ≣B33Bundesliga (2nd) ...
152Hersvik Daniel (NOR)2225Nagy Attila (SRB)22411-018 ≣B33Ch Europe (junior...
735El Ters Antouan2226Chamlian Aram17551-026 ≣B30It (open)09 Feb 2012
515Koller Jens (GER)2228Enders Peter (GER)24410-128 ≣B33Ch Germany19 Jan 2007
468Salem Ali Maoloud...2228Zoltek Tadeusz (POL)23130-129 ≣B33Olympiad23 Oct 2004
334Maduro Sherman (AHO)2230Ahmad Aziz (IRQ)23430-123 ≣B54Olympiad
658Vega Gutierrez Be...2233Menvielle Lacourr...22621-029 ≣B33Memorial Pedro Le...03 Apr 2010
329Beliaev Sergei V ...2233Maksimenko I0-131 ≣B33Tournament (Elo)
100Miranda Ponce Alv...2234D'Adamo Ettore0-125 ≣B54corr.
234Van Rijn Wouter (...2235Greenfeld Alon (ISR)25400-126 ≣B54It (open)
489Wiesinger Robert ...2235Butunoi Alexandru...24180-130 ≣B54It (open)27 Dec 2005
256Zsiltzova-Lisenko...2235Wassin Sergei (RUS)0-121 ≣B33Ch IBCA (blindfold)
41Rodriguez Adolfo ...2235Pugach Mario0-128 ≣B33Tournament (team)
499Shenin Andrey (RUS)2237Zemlyanskiy Dmitr...22081-030 ≣B33Ch Russia (junior...
27Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA
29Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA16 Dec 1963
570Penalosa Pinilla ...2238Navas Jimenez Jul...19521-028 ≣B54It (open)20 Jul 2008
405Sebastianelli Dar...2239Efimov Igor (MNC)24801-031 ≣B23It (open)
540Konijn Bart (NED)2239Begnis Nikolaos (...22710-132 ≣B33NRW-liga 2007/0804 Nov 2007
722Pamungkas Junaid ...2240Tirto (INA)23220-128 ≣B30It (open)14 Oct 2011
535Tran Quoc Dung (VIE)2241Quach Phuong Minh...1-028 ≣B50Ch Vietnam (team)29 Aug 2007
558Rawicz Karol (POL)2242Wcislo Damian (POL)22191-032 ≣B33Ch Poland (junior...01 Apr 2008
384Lewis James E (DOM)2246Finegold Benjamin...25510-129 ≣B33It (open)
115Diaz Augusto (CUB)2248Izeta Txabarri Fe...24590-120 ≣B33It (open)
175Gonzalez Fuente C...2249Valles Moreno Iva...23940-119 ≣B54It (open)
157Semasev Kim (LAT)2249Zhukhovitsky Samu...23950-123 ≣B33Ch World (seniors)
34Drozd Ryszard (POL)2249Partos Charles (SUI)23450-127 ≣B33?
134Turner Matthew (ENG)2250Moutousis Konstan...23901-028 ≣B54It (open)
627Le Kieu Thien Kim...2250Nguyen Thi Thanh ...23300-129 ≣B33Zt (w)28 Jul 2009
550Ivanov Rostislav ...2252Panchenko Alexand...22790-127 ≣B54Ch PriFO26 Jan 2008
420Cordovil Joao (POR)2254Fernando Diogo (POR)24380-125 ≣B54Ch Portugal (team)
419Cordovil Joao (POR)2254Costa Paulo (POR)21871-027 ≣B54Ch Portugal (team)
630Vega Gutierrez Be...2254Fidalgo Fernandez...21311-028 ≣B33Ch Spain (w)02 Aug 2009
84Brdicko Petr (CZE)2255Weglarz Leszek (POL)22240-132 ≣B33Cup Warsaw
277Nagy Janos (HUN)2255Nagy Andras (HUN)22661-025 ≣B33It (cat.2)
207Sevo Igor (CRO)2256Biliskov Vjekosla...23350-127 ≣B54It (open)
376Sanchez Corujo Jo...2257Gavril Draghici F1-030 ≣B33It (open)
688Gasa Andrej (SVK)2257Kapusta Petr (CZE)21580-127 ≣B54Ch Slovakia (team...16 Jan 2011
364Stuczynski Andrze...2257Kulczyk Pawel (POL)20651-020 ≣B54Ch Poland (team) ...
605Hosek Milan (CZE)2258Vodicka Vlastimil...21911-022 ≣B33Czech League 2008...22 Mar 2009
233Nagy Janos (HUN)2260Monus Zoltan (HUN)20921-029 ≣B54Memorial Erkel
557Tran Tuan Minh (VIE)2261Phan Dinh Nhat Kh...19671-032 ≣B33Ch Vietnam
580Starkov S (RUS)2262Iskusnyh Sergei (...24670-129 ≣B33Tournament (open) \25 Aug 2008
63Rossmann Helmut (...2264Riha Vaclav (CZE)23101-029 ≣B33Match \
231Hadraba Vladimir ...2265Kovalevskaya Ekat...23500-131 ≣B54It (open)
386Hernandez Alexand...2269Vasquez Rafael (COL)18741-025 ≣B33It (open)
445Valenti Giuseppe ...2269Mchedlishvili Mik...25040-129 ≣B54It (open)15 Feb 2004
74Pineault Denis (CAN)2270Hebert Jean (CAN)23850-125 ≣B33It
75Pineault Denis (CAN)2270Ivanov Igor V (CAN)24240-125 ≣B54It
509Grbovic Veselin (...2271Todorovic Jovan (...23650-127 ≣B54Ch Montenegro (team)25 Sep 2006
284To Quoc Khanh (VIE)2271Dao Thien Hai (VIE)25430-129 ≣B33Ch Vietnam (junio...
224Fuchs Georg (AUT)2274Eberhard Kurt (AUT)20401-029 ≣B33It (open)
211Seminara Juan Pab...2275Mendez Ernesto (ARG)23950-132 ≣B33It \
227Zozulia Anna (BEL)2275Mukhametov Eldar ...24750-132 ≣B33It
508Schachinger Mario...2277Kopinits Anna-Chr...21531-032 ≣B33It (open)20 Sep 2006
185Binder Tamas (HUN)2277Varga Zoltan (HUN)25350-119 ≣B33It (open)
628Bulmaga Irina (MDA)2277Raeva Elitsa (BUL)22360-130 ≣B33Ch Bulgaria (open...29 Jul 2009
248Olsson Anders (SWE)2280Atakisi Umut (TUR)21001-024 ≣B54Ch Europe (junior...