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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
468Salem Ali Maoloud...2228Zoltek Tadeusz (POL)23130-129 ≣B33Olympiad23 Oct 2004
709Poznanska Katarzy...2062Hoffmann Paul (GER)23171-026 ≣B54Memorial M.Najdor...14 Jul 2011
347Zarza Ronald (PAR)2061Alvarez Johan (VEN)23170-121 ≣B54Ch World (juniors...11 Aug 2000
466Saastamoinen Aarn...2162Pulkkinen Kari (FIN)23190-132 ≣B54Ch Finland (team)...18 Sep 2004
722Pamungkas Junaid ...2240Tirto (INA)23220-128 ≣B30It (open)14 Oct 2011
399Segura Ariza Jose...2215Mascaro March Ped...23230-120 ≣B54Ch Mallorca (team)
435Hock Gerold (GER)2085Issermann Ryhar (...23250-119 ≣B33Memorial Karl Mal...26 Jul 2003
202Cajal Andre (BRA)2081Limp Eduardo (BRA)23250-127 ≣B23It (open)
67BoeredougaWhitehead Jay E (...23250-125 ≣B33Ch World (team) (...
167Nikolic Sava N R ...2114Grabics Monika (HUN)23250-129 ≣B33It (open)
76O'neill Y Dayneko...Acebal J Maria (ESP)23270-130 ≣B33Ch Asturias (pref...
592Karahmetovic Adna...2300Budimir Boris (BIH)23280-113 ≣B33It (cat.4)26 Nov 2008
615Guerrero Hernando...1985Vittorino Carlo (...23300-132 ≣B54Ch Colombia (1/2 ...
16Pilnik Hermann (GER)Janosevic Dragolj...23301-031B33It
80Oparaugo Thomas (...2109Kokkila Tero (FIN)23300-126 ≣B54Ch World (juniors...
627Le Kieu Thien Kim...2250Nguyen Thi Thanh ...23300-129 ≣B33Zt (w)28 Jul 2009
11Alexander Conel H...Janosevic Dragolj...23301-020 ≣B33It
291Prause RobertLipinsky Fabian (...23310-121 ≣B54Bundesliga (junio...
340Zozulia Anna (BEL)2371Lutsko Igor (BLR)23341-032 ≣B54It (cat.4)
374Svagusa Boris (CRO)Biliskov Vjekosla...23350-121 ≣B54Cup Dalmatia (team)
207Sevo Igor (CRO)2256Biliskov Vjekosla...23350-127 ≣B54It (open)
32Pregherman ShmuelPersitz Raaphi (SUI)23360-132 ≣B33It
29Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA16 Dec 1963
129Deakne Baranyai A...Grabics Monika (HUN)23360-126 ≣B33Ch Hungary (team)...
27Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA
629Van den Hoogen ArieVan Eijk Sander (...23380-121 ≣B33It (open)01 Aug 2009
379Diaz Sanchez Jose...2062Colas Longares Ra...23390-132 ≣B33Ch Spain (open)
217Liska Jaroslav (SVK)1973Kopjonkin Gennady...23400-122 ≣B54Ch Slovakia
469Abu Sufian Shakil...2317Palit Somak (IND)23400-132 ≣B54It (open)17 Nov 2004
20Cherepkov Alexand...2395Vladimirov Boris ...23400-128 ≣B33Ch URS (1/2 final)
205Gast Jonathan (SUI)2209Georges Sacha (SUI)23400-128 ≣B54Ch Switzerland (t...
670Castano Duvan Mar...2311Mendoza Rafael (COL)23420-125 ≣B50Ch Colombia02 Jul 2010
97Wilfling Hermann ...2147Cigan Stefan (SLO)23430-120 ≣B54It
334Maduro Sherman (AHO)2230Ahmad Aziz (IRQ)23430-123 ≣B54Olympiad
547Cruz Bartolome (COL)2036Vittorino Carlo (...23430-131 ≣B54It (open)11 Jan 2008
229Van Riemsdijk Vin...2201Tsuboi Edson Kenj...23450-125 ≣B54Ch Brazil (1/2 fi...
368Sequeda Nancy (VEN)2065Pina Sulennis (SUL)23450-117 ≣B54Ch Continent (w)
34Drozd Ryszard (POL)2249Partos Charles (SUI)23450-127 ≣B33?
283Rieder Josef (GER)2043Solomunovic Igor ...23450-127 ≣B54It (open)
666Carneiro Francisc...1968Barreto Filho Car...23460-128 ≣B54It (open)04 Jun 2010
61Silva Carlos Ales...Abarca Aguirre Ma...23471-030 ≣B54Ch Chile04 Oct 1980
88Graeffe Petri (FIN)2060Virtanen Antti (FIN)23480-127 ≣B54Ch Finland (juniors)
231Hadraba Vladimir ...2265Kovalevskaya Ekat...23500-131 ≣B54It (open)
131Lindri Juni Wijay...2155Nutu-Gajic Dana (...23500-128 ≣B53Olympiad
414Macharacek Simon ...2209Firt Stanislav (CZE)23531-024 ≣B54Moravian League 2...
393Borekci GucluJobava Beglar (GEO)23530-124 ≣B54It (open) \
726Sztokbant Bernard...1969Caprio Guido (ITA)23541-022 ≣B54Ch World (juniors...19 Nov 2011
562Deshmukh Anup (IND)2284Shailendra B23561-027 ≣B54Cup Mayors (open)16 May 2008
463Thallinger BernhardCsiba Dominik (SVK)23570-127 ≣B33Ch European Union...25 Aug 2004
626Gorshkov Leonid (...2108Vandevoort Pascal...23580-130 ≣B33It (open)27 Jul 2009
106Mounib A (MRC)Hakki Imad (SYR)23621-030 ≣B33Olympiad
382Pieris T D R (SRI)2128Chan Peng-Kong (SIN)23620-129 ≣B33Olympiad
147Levitan Yuliya (USA)2220Vulicevic Nenad (...23630-132 ≣B54Ch Manhattan Ches...
166Gerstenhauer Dore...2106Schneider Lars-Ak...23641-024 ≣B33It (open) (active)
47Wahlbom Magnus (SWE)2288Schneider Lars-Ak...23640-127 ≣B33Ch Sweden
509Grbovic Veselin (...2271Todorovic Jovan (...23650-127 ≣B54Ch Montenegro (team)25 Sep 2006
713Skapikova Lubica ...1867Jasny Stanislav (...23660-128 ≣B33It (open)21 Aug 2011
31Dahl KimmoSpassov Liuben (BUL)23670-128 ≣B33Olympiad (student...
303Gomes Joao AMDel Rey Diego (ESP)23690-123 ≣B54It (open)
279Siekaniec Jan (POL)2160Bielczyk Jacek (POL)23700-132 ≣B33Ch Poland (team) ...
33Mollekens JBlau Max (SUI)23700-125 ≣B33Olympiad
400Tan Kevin (NED)2222Van Eijk Sander (...23721-032 ≣B33Ch Netherlands (j...
573Sanz Sanz Clement...1790Aguera Naredo Jav...23740-132 ≣B54It (open)23 Jul 2008
58Leppala JussiTrepp Markus (SUI)23750-125 ≣B33Ch Denmark (juniors)
506Wawrowski Zbignie...2215Filipenko Alexand...23761-031 ≣B54It (open) (a)19 Aug 2006
457Rivara Massimo (ITA)1887Estremera Panos S...23770-126 ≣B33It (open)04 Jul 2004
428Lecoq Julien (FRA)2075Estremera Panos S...23770-114 ≣B33It (open)
582Granados Gomez Ma...2407Alonso Moyano Jon...23791-026 ≣B53Ch Spain (team) (...03 Sep 2008
94Nagy Janos (HUN)2214Cardon Helmut (NED)23790-129 ≣B54It (open) \
187Pangen CTate Emory (USA)23800-121 ≣B54It (open)
109Blasi FBjelica Dimitrije...23801-030 ≣B33It (open)
170Prada Rubin Ferna...2169Rivera Daniel (URU)23800-117 ≣B54It (open)
192Nones Ii Teodulfo...2281Gross David (CZE)23850-123 ≣B54Ch World (juniors...
74Pineault Denis (CAN)2270Hebert Jean (CAN)23850-125 ≣B33It
446Guyard Rodolphe (...2148Vandevoort Pascal...23850-123 ≣B33It (open)01 Mar 2004
13Katragadda GTaimanov Mark E (...23860-128 ≣B33It
402Cooke Eric (USA)2210Perez Luis Manuel...23890-122 ≣B33It (open)
134Turner Matthew (ENG)2250Moutousis Konstan...23901-028 ≣B54It (open)
181Palacios EduardoAlvarez Jose_ (CUB)23901-025 ≣B33Ch Asturias (team...
264Fedorchuk Sergey ...2415Zakharov Vladimir...23901-027 ≣B23Ch Ukraine (junio...
30Haag Ervin (HUN)2284Dely Peter (HUN)23910-132 ≣B54Ch Hungary
483Kosolapov Petr (RUS)2034Zaitsev Alexander...23911-032 ≣B54Ch Region10 Aug 2005
346Rydzik Karol (POL)2077Dziuba Marcin (POL)23920-126 ≣B54Ch Poland (team)
175Gonzalez Fuente C...2249Valles Moreno Iva...23940-119 ≣B54It (open)
431Kosov Ivan (RUS)2170Gusev Aleksey (RUS)23940-128 ≣B33Ch Russia (1/2 fi...
424Gomez Luna Jorge ...1856Leon Hoyos Manuel...23950-131 ≣B54Tournament
211Seminara Juan Pab...2275Mendez Ernesto (ARG)23950-132 ≣B33It \
157Semasev Kim (LAT)2249Zhukhovitsky Samu...23950-123 ≣B33Ch World (seniors)
149Escandon Federico...2145Langier Daniel (ARG)23950-126 ≣B33Ch Pan-American (...
162Klawonn MarkusBreier Andreas (GER)24000-132 ≣B33Ch JBLN East 1993/94
504Titz Herbert (AUT)2066Kiss Attila (HUN)24000-128 ≣B33It (open)13 Jul 2006
533Py Walter (FRA)2108Estremera Panos S...24000-130 ≣B54It (open)
186Seminara Juan Pab...2200Paglilla Carlos (...24000-130 ≣B54Match (team)
721Zivkovic Branimir...2204Simonovic Aleksan...24010-126 ≣B33Ch Central Serbia...20 Sep 2011
536Fuchs Georg (AUT)2181Pitl Gregory (GER)24030-127 ≣B30It \07 Sep 2007
3Stanchev ZahariBobotsov Milko G ...24051-029 ≣B33Ch Bulgaria
440Gasik Adam (POL)1981Lagowski Patryk (...24060-128 ≣B54It (open)
500Karagollu Ahmet (...2005Zueger Beat (SUI)24070-129 ≣B33Ch Europe14 Apr 2006
381Sharp Dale Eugene...2072Soltis Andrew E (...24070-131 ≣B33It (open)
667Guerrero Andres (...2195Obregon Rivero Ju...24080-128 ≣B54Memorial J.Capabl...14 Jun 2010