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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
500Karagollu Ahmet (...2005Zueger Beat (SUI)24070-129 ≣B33Ch Europe14 Apr 2006
468Salem Ali Maoloud...2228Zoltek Tadeusz (POL)23130-129 ≣B33Olympiad23 Oct 2004
105Bouaziz Slim (TUN)2338Ziska Bogi (FAI)22021-028 ≣B33Olympiad
674Georgantas Antoni...1717Zinchenko Yarosla...25430-132 ≣B33It (open)13 Jul 2010
502Podgursky Sten (MDA)2193Zinchenko Yarosla...25030-127 ≣B33It (cat.6)12 Jun 2006
595Baran Pawel (POL)2119Zinchenko Yarosla...25360-123 ≣B33Ch Europe (active)20 Dec 2008
213Renner Kai (GER)2187Zierke Oliver (GER)22401-027 ≣B33Bundesliga (2nd) ...
157Semasev Kim (LAT)2249Zhukhovitsky Samu...23950-123 ≣B33Ch World (seniors)
572Nandhidhaa P V (IND)1823Zhaksybek Yenglik1-027 ≣B54Ch Asia (juniors)...21 Jul 2008
499Shenin Andrey (RUS)2237Zemlyanskiy Dmitr...22081-030 ≣B33Ch Russia (junior...
413Novak Michal (CZE)2163Zeleny Tomas (CZE)22531-025 ≣B54Czech League 2002...
611Maravic Stjepan (...2203Zecevic Dean (CRO)22131-024 ≣A43Ch Croatia (team)...26 Apr 2009
39Babula Milan (CZE)2306Zavodny Zdenek1-018 ≣B33It \
564Belitzky Dmitri G...2084Zavialova Ekateri...17831-030 ≣B33Memorial Y. Voron...
703Kostin Yury (RUS)1696Zarivkina Viktori...21130-125 ≣B50It (open) (b)12 Jun 2011
281Bermudes Eduardo ...2190Zapata Alonso (COL)24540-128 ≣B54Cup Carnaval (open)
264Fedorchuk Sergey ...2415Zakharov Vladimir...23901-027 ≣B23Ch Ukraine (junio...
483Kosolapov Petr (RUS)2034Zaitsev Alexander...23911-032 ≣B54Ch Region10 Aug 2005
612Pahomeev OYurtaev Leonid (KGZ)24690-131 ≣B33Ch Kyrgyzstan
108Efimov Igor (MNC)2400Yermolinsky Alex ...25150-129 ≣B54It (open)
285Espau Guillem Jos...1937Yepes Martinez Ed...22600-132 ≣B33Ch Catalunia (team)
687Nguyen Thanh Nghi...2133Xiu Deshun (CHN)25400-126 ≣B54Cup HDBank (open)04 Jan 2011
142Gallob BorisWuerl Roland20550-129 ≣B54It (open)
311Kitschke Heiko (GER)2114Woller Roland (GER)21190-131 ≣B33It (open) (a)
104Tietjen Daniela (...2010Woitinski J0-115 ≣B54Ch Germany (junio...
556Chomski Maciej (POL)1802Wisniowska Klaudi...19880-132B54It (open)25 Mar 2008
261Lange Peter (GER)2076Wiedersich Jens (...21390-131 ≣B32Oberliga Northeas...
67BoeredougaWhitehead Jay E (...23250-125 ≣B33Ch World (team) (...
262Wagner AlexanderWenner Tobias (GER)22100-124 ≣B33Verbandsliga Nort...
84Brdicko Petr (CZE)2255Weglarz Leszek (POL)22240-132 ≣B33Cup Warsaw
523Tobolski Jakub (POL)2001Wcislo Damian (POL)21070-129 ≣B33Ch Poland (junior...27 Mar 2007
558Rawicz Karol (POL)2242Wcislo Damian (POL)22191-032 ≣B33Ch Poland (junior...01 Apr 2008
256Zsiltzova-Lisenko...2235Wassin Sergei (RUS)0-121 ≣B33Ch IBCA (blindfold)
436Jaeger Frank (GER)1898Wagner-Michel Ann...21420-120 ≣B33It (open)29 Aug 2003
441Hippe Franziska (...1971Wagner-Michel Ann...21420-132 ≣B33Bundesliga 2003/0...11 Jan 2004
147Levitan Yuliya (USA)2220Vulicevic Nenad (...23630-132 ≣B54Ch Manhattan Ches...
729Vukcevic Branimir1932Vujacic Igor (MNE)21690-115 ≣B33Ch Chess Club24 Dec 2011
471Matonoha Ctirad (...2017Vrnata Jiri (CZE)20921-027 ≣A04It (open) \
395Mladenovic Jelena...2168Vranesevic Danica...20611-022 ≣B33Ch Yugoslavia (w)
247Erwich Marc JL (NED)2422Vovsha Eli (ISR)22400-117 ≣B54Ch Europe (junior...
643Ivanchuk Vassily ...2703Vovk Yuri (UKR)25671-021 ≣B33Ch Europe (active)19 Dec 2009
159Farago Sandor (HUN)2360Volzhin Alexander...24250-130 ≣B33It (cat.8)
8Donovan JeremiahVollmar Rainer (GER)21301-024 ≣B33It (open)
605Hosek Milan (CZE)2258Vodicka Vlastimil...21911-022 ≣B33Czech League 2008...22 Mar 2009
636Wasserbauer Radek1966Vlasak Lukas (CZE)21811-030 ≣B54Extraliga 2009/10...04 Oct 2009
20Cherepkov Alexand...2395Vladimirov Boris ...23400-128 ≣B33Ch URS (1/2 final)
547Cruz Bartolome (COL)2036Vittorino Carlo (...23430-131 ≣B54It (open)11 Jan 2008
615Guerrero Hernando...1985Vittorino Carlo (...23300-132 ≣B54Ch Colombia (1/2 ...
87Gimmel Rolf (SUI)1841Visetti A0-126 ≣B33?
88Graeffe Petri (FIN)2060Virtanen Antti (FIN)23480-127 ≣B54Ch Finland (juniors)
362Onoprienko GrigoriyVinogradov Jevgen...1-030B33Memorial I.Stepichev
282Majul Isolina (COL)2088Villegas John19201-028 ≣B54Tournament
680Koval Anton (SVK)2156Vermirovsky Vlast...20181-030 ≣B54It (open) \04 Oct 2010
750Gombar Peter (SVK)1983Vermirovsky Vlast...20440-124 ≣B54It (open)23 Sep 2012
53Garcia S Alberto ...Vera Reynaldo (CUB)24920-123 ≣B54?
222Hagsberg ReijoVeingold Aleksand...24750-129 ≣B33Tournament
635Vala Filip (CZE)2058Vecera Pavel (CZE)21880-130 ≣B54It (open)30 Sep 2009
549Reppen Sigmund (NOR)2055Vasvari Tamas (HUN)21401-027 ≣B33It (open) (challe...22 Jan 2008
386Hernandez Alexand...2269Vasquez Rafael (COL)18741-025 ≣B33It (open)
185Binder Tamas (HUN)2277Varga Zoltan (HUN)25350-119 ≣B33It (open)
648Romero ReinaldoVargas Edward Mis...19520-128 ≣B54It (open)10 Jan 2010
723Avila Pedro (COL)2102Vargas Eduar Misael19071-032 ≣B54It (team)17 Oct 2011
587Jakesevic Branko ...2095Varga Josip (CRO)20940-115 ≣B33Ch Croatia (team)...26 Oct 2008
375Layton MVan Ingen T0-128 ≣B33It (open) (b)
529Hahn Gerard (NED)2004Van Eijk Sander (...22750-127 ≣B33It (open)27 May 2007
629Van den Hoogen ArieVan Eijk Sander (...23380-121 ≣B33It (open)01 Aug 2009
400Tan Kevin (NED)2222Van Eijk Sander (...23721-032 ≣B33Ch Netherlands (j...
461Crapulli Giuseppe...Van De Walle Rob0-126 ≣B54Ch NATO13 Aug 2004
446Guyard Rodolphe (...2148Vandevoort Pascal...23850-123 ≣B33It (open)01 Mar 2004
626Gorshkov Leonid (...2108Vandevoort Pascal...23580-130 ≣B33It (open)27 Jul 2009
71Upton Timothy J (...2181Van Der Wiel John...25350-129 ≣B53Olympiad
567Novy J1655Vancat M17350-132 ≣B54It (open)
460Bruno Ronald (USA)2214Van Buskirk Charl...22930-122 ≣B54Ch Southern Calif...24 Jul 2004
175Gonzalez Fuente C...2249Valles Moreno Iva...23940-119 ≣B54It (open)
427Nemcova Kristyna ...2033Urbankova Eva (CZE)21620-132 ≣B33It (open)
295Gunnarsson Arnar ...2199Ulfarsson Magnus ...22900-125 ≣B20Ch Iceland (team)...
707Szukics Adam (HUN)1646Ugroczky Peter (HUN)16881-030 ≣B54Ch Hungary (junio...29 Jun 2011
725Markos Adam (HUN)1935Ugroczky Peter (HUN)16881-025 ≣B54Ch Hungary (junio...05 Nov 2011
542Gagic Miroljub (SRB)1930Ugrenovic Bozidar...21080-126 ≣B33Cup Belgrade (open)30 Nov 2007
10Ravinsky Grigory ...Ufimtsev Anatoly ...1-030 ≣B54Ch URS (1/2 final)
459Ede AlbertTyomkin Dimitri (...25050-119 ≣B33It (open)13 Jul 2004
323Sandu Marius Stef...2291Tutulan Mihaela (...20470-117 ≣B54It (open) \
229Van Riemsdijk Vin...2201Tsuboi Edson Kenj...23450-125 ≣B54Ch Brazil (1/2 fi...
541Derevianchenko Il...2296Tsirulnik Mark (UKR)21220-129B54Ch Ukraine (junio...17 Nov 2007
410Lundberg Gunnar (...1985Tschirky Werner (...17201-030 ≣B54Ch World (seniors)
28Bonfioli MarcoTrincardi Tullio ...22350-122 ≣B33It
44Grigoriou MiltiadisTrikaliotis Georg...22471-026 ≣B54Tournament
58Leppala JussiTrepp Markus (SUI)23750-125 ≣B33Ch Denmark (juniors)
456Nguyen Thi Thu HangTran Thi Thanh Huong0-132 ≣B54Ch Vietnam (junio...
432Le Trong Bac (VIE)Tran Nguyen Bao (...0-132 ≣B33Ch Vietnam (junio...
525Vlietstra M2022Toth Andras (HUN)24100-131 ≣B54It (open)11 Apr 2007
669Da Silva Lucas De...1460Torsani Pires Mar...21130-120 ≣B54Memorial Walter M...02 Jul 2010
209Moya Soriano Migu...2340Torner Planell Jo...21230-130 ≣B33It (open) (active)
98Kuutti LauriTorkkola Simo0-132 ≣B54It (open)
522Svrtan Zlatko (CRO)2099Topel Zehra (TUR)22460-130 ≣B33It (open)25 Mar 2007
656Le Thanh Tai (VIE)1825Ton That Nhu Tung...22430-124 ≣B33Ch Vietnam26 Mar 2010
530Nguyen Viet Chung...2164Ton That Nhu Tung...22160-131 ≣B54Ch Vietnam (junio...11 Jul 2007
717Rocen BojanaTomin Ksenija (SRB)19010-123 ≣B54Ch Serbia (team P...29 Aug 2011
693Choremska Zuzanna...1461Tomczak Marta1-025B32Ch Poland (team) ...02 Apr 2011
509Grbovic Veselin (...2271Todorovic Jovan (...23650-127 ≣B54Ch Montenegro (team)25 Sep 2006