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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
551Vanek Petr (CZE)2184Polak Benedikt (CZE)20750-125 ≣B54Czech League 2007...03 Feb 2008
550Ivanov Rostislav ...2252Panchenko Alexand...22790-127 ≣B54Ch PriFO26 Jan 2008
549Reppen Sigmund (NOR)2055Vasvari Tamas (HUN)21401-027 ≣B33It (open) (challe...22 Jan 2008
548Labedz Patrycja (...1992Orzechowski Micha...16221-031 ≣B54It (open)18 Jan 2008
547Cruz Bartolome (COL)2036Vittorino Carlo (...23430-131 ≣B54It (open)11 Jan 2008
546Lechner Otto (GER)1946Rau Hannes (GER)24290-128 ≣B33It (open)02 Jan 2008
545Gomez Figueroa Ma...1970Padros Martinez A...18931-021 ≣B54It (open) (b)01 Jan 2008
544Tashimova Nadiya ...2094Pak Evgeniy (KAZ)21840-121 ≣B54It (open)17 Dec 2007
543Egorova Valentina...1991Epifantsev Igor (...21850-121 ≣B54Ch City (open)
542Gagic Miroljub (SRB)1930Ugrenovic Bozidar...21080-126 ≣B33Cup Belgrade (open)30 Nov 2007
541Derevianchenko Il...2296Tsirulnik Mark (UKR)21220-129B54Ch Ukraine (junio...17 Nov 2007
540Konijn Bart (NED)2239Begnis Nikolaos (...22710-132 ≣B33NRW-liga 2007/0804 Nov 2007
539Klimov Valery (RUS)1936Boryak Alexey (RUS)19420-128 ≣B33Ch City (seniors)27 Sep 2007
538Ezkerro Hernandez...1686Rizouk Aimen (ALG)24700-123 ≣B54It (open)21 Sep 2007
537Bondar Leonid (USA)2066Danner Georg (AUT)24340-119 ≣B33Ch World (seniors)17 Sep 2007
536Fuchs Georg (AUT)2181Pitl Gregory (GER)24030-127 ≣B30It \07 Sep 2007
535Tran Quoc Dung (VIE)2241Quach Phuong Minh...1-028 ≣B50Ch Vietnam (team)29 Aug 2007
534Abdulmalik ZhansayaNoaman Shaima1-026 ≣B33Ch Asia (juniors)...25 Aug 2007
533Py Walter (FRA)2108Estremera Panos S...24000-130 ≣B54It (open)
532Makosa Sylwia (POL)1862Kowalska Elzbieta...19490-122 ≣B33It (open) (b)25 Jul 2007
531Barszcz Michal (POL)1707Ponceleusz Bronis...19950-131 ≣B33It (open) (b)20 Jul 2007
530Nguyen Viet Chung...2164Ton That Nhu Tung...22160-131 ≣B54Ch Vietnam (junio...11 Jul 2007
529Hahn Gerard (NED)2004Van Eijk Sander (...22750-127 ≣B33It (open)27 May 2007
528David Cosmin Luci...1968Nemes Silviu (ROM)21500-127 ≣B33Cup Felix (open)27 May 2007
527Isgandarova Khaya...2188Balogh Csaba (HUN)25620-129 ≣B54Cup President03 May 2007
526Zozulia Anna (BEL)2347Sikula Vaszilij (...25500-131 ≣B54It (open)18 Apr 2007
525Vlietstra M2022Toth Andras (HUN)24100-131 ≣B54It (open)11 Apr 2007
524Adorno AnibalLemos Damian (ARG)24600-123 ≣B33It (open)
523Tobolski Jakub (POL)2001Wcislo Damian (POL)21070-129 ≣B33Ch Poland (junior...27 Mar 2007
522Svrtan Zlatko (CRO)2099Topel Zehra (TUR)22460-130 ≣B33It (open)25 Mar 2007
521Varkvasov ValeryDavyidenko Stepan...19600-129 ≣B54Ch SibFO (open)22 Mar 2007
520Kovacevic Krsto (...2000Jankovic Alojzije...25480-124 ≣B33It (open)19 Mar 2007
519Purgar Ivona (CRO)2023Petrovic Zvonko (...22541-031 ≣B33It (open)17 Mar 2007
518Malec Sebastian (...1779Cichy Kamil (POL)17730-129 ≣B54Ch Poland (junior...05 Mar 2007
517Tobolski Jakub (POL)2001Cichy Kamil (POL)17731-028 ≣B54It (open)18 Feb 2007
516Galvan Llop Rober...2033Dominguez Aguilar...24120-130 ≣B23It (open)15 Feb 2007
515Koller Jens (GER)2228Enders Peter (GER)24410-128 ≣B33Ch Germany19 Jan 2007
514Purgar Ivona (CRO)2023Solic Kristina (CRO)21480-132 ≣B54It (open) (w)08 Jan 2007
513Gabinsky Slavik1867Kuljasevic Davori...24480-132 ≣B33Ch Pan-American27 Dec 2006
512Shabanov Denis (BLR)2147Kryakvin Dmitry (...25210-131 ≣B54It (b)21 Dec 2006
511Kucha Taras (UKR)1861Andreev Vitaliy (...22860-126 ≣B54Ch Ukraine (junio...18 Dec 2006
510Lazovic Branko (SRB)1994Pavlovic Dragolju...22460-131 ≣B33Ch Belgrade (team...29 Sep 2006
509Grbovic Veselin (...2271Todorovic Jovan (...23650-127 ≣B54Ch Montenegro (team)25 Sep 2006
508Schachinger Mario...2277Kopinits Anna-Chr...21531-032 ≣B33It (open)20 Sep 2006
507Leukkunen Raimo (...1966Kiselev Gennady (...24190-128 ≣B54It (open)25 Aug 2006
506Wawrowski Zbignie...2215Filipenko Alexand...23761-031 ≣B54It (open) (a)19 Aug 2006
505Krumbke Nadine (GER)1826Mikliaeva Darja S...21370-119 ≣B54Ch Germany (open)...06 Aug 2006
504Titz Herbert (AUT)2066Kiss Attila (HUN)24000-128 ≣B33It (open)13 Jul 2006
503KolodinPauli Stanislav (...20790-129 ≣B54Tournament (open)
502Podgursky Sten (MDA)2193Zinchenko Yarosla...25030-127 ≣B33It (cat.6)12 Jun 2006
501Angelov Angel (BUL)2224Rusev Krasimir (BUL)24531-031 ≣B53It (open)14 May 2006
500Karagollu Ahmet (...2005Zueger Beat (SUI)24070-129 ≣B33Ch Europe14 Apr 2006
499Shenin Andrey (RUS)2237Zemlyanskiy Dmitr...22081-030 ≣B33Ch Russia (junior...
498Rawicz Karol (POL)2100Pigula Marek (POL)20761-029 ≣B54Ch Poland (junior...27 Mar 2006
497Reubrez Christoph...1871Abergel Thal (FRA)24740-119 ≣B33Tournament \23 Mar 2006
496Trujillo Delgado ...2206Schepetkova Marga...21651-028 ≣B54It (w)07 Mar 2006
495Vargyas Zoltan (HUN)2160Havaskori Laszlo ...20291-030 ≣B54Tournament (Elo) (a)14 Feb 2006
494Breslavska Galina...2176Choba Yulia (UKR)18311-026 ≣B30Ch Ukraine (junio...10 Feb 2006
493Lamoureux Izabell...2039Bosiocic Marin (CRO)24480-129 ≣B54Ch Mediterranean01 Feb 2006
492Ivanov Cvetalin (...2104Mladenov Plamen (...22290-129 ≣B54Ch Bulgaria (juni...
491Cetkovic Bozidar ...2215Klasan Vladimir (...22200-130 ≣B54It (open)28 Jan 2006
490Malamatas Konstan...1976Tassopoulos Mario...22230-128 ≣B33It (open)
489Wiesinger Robert ...2235Butunoi Alexandru...24180-130 ≣B54It (open)27 Dec 2005
488Bruckner Paul1530Churt Kerstin Dr17870-118 ≣B32Ch Mittelfranken ...04 Dec 2005
487Almer Julia (SWE)1943Bensdorp Laura (NED)20900-125 ≣B54Ch World (juniors...20 Nov 2005
486Silva Arajo Mario...1957Masich Vladimir (...20300-131 ≣B30Ch World (seniors)01 Oct 2005
485Rutschke Bernhard...2087Baklan Vladimir (...25900-127 ≣B50It (open)01 Oct 2005
484Marcek Jan (SVK)1997Biros Robert (SVK)22020-132 ≣B54It (open)10 Sep 2005
483Kosolapov Petr (RUS)2034Zaitsev Alexander...23911-032 ≣B54Ch Region10 Aug 2005
482Krstic Uros (CRO)2350Martin Stefan (GER)22731-030 ≣B33It (open)
481Tierling Detlef (...2045Issermann Ryhar (...23090-124 ≣B33Memorial Karl Mal...29 Jul 2005
480Brekka Hanus (FAI)2115Nielsen Carl-Otto...19471-017 ≣B33It \21 Jul 2005
479Lotsov Har-Zahav ...2036Petry Joachim1-022 ≣B54Ch Europe (seniors)25 Jun 2005
478Zielbauer Thomas ...2105Shengelia Davit (...25470-125 ≣B54It (open)
477Melzer Georg1743Schiewer Robert19420-125 ≣B33Landesliga 2004/0513 Mar 2005
476Pavsic Andrej1554Kokol Peter (SLO)21530-127 ≣B33Ch Slovenia (juni...26 Feb 2005
475Ascic Pero (CRO)2348Sliepcevic Mladen...21811-032 ≣B54It (open)26 Feb 2005
474Blecha Miroslav (...2148Seleljo Daniel (CZE)22510-128B33Czech League 2004...06 Feb 2005
473Vanko Jiri (CZE)2151Gkogkas Dimitrios...21681-022 ≣B33It (open)26 Jan 2005
472Boehm Thomas (GER)2205Leks Hanna (POL)22090-126 ≣B54It (open)
471Matonoha Ctirad (...2017Vrnata Jiri (CZE)20921-027 ≣A04It (open) \
470Habunek Patrick (...1786Blasco Robert14101-026B33It (open)27 Dec 2004
469Abu Sufian Shakil...2317Palit Somak (IND)23400-132 ≣B54It (open)17 Nov 2004
468Salem Ali Maoloud...2228Zoltek Tadeusz (POL)23130-129 ≣B33Olympiad23 Oct 2004
467Prlac Vedran (CRO)2143Susak Zeljko (CRO)22510-120 ≣B33It (open)09 Oct 2004
466Saastamoinen Aarn...2162Pulkkinen Kari (FIN)23190-132 ≣B54Ch Finland (team)...18 Sep 2004
465Nguyen Huu Duc Lu...2170Huynh Tuan Ba0-115 ≣B33Ch Vietnam (team)16 Sep 2004
464Smagalski Jarosla...1933Slaby Jerzy (POL)24280-130 ≣B54Ch Poland (team) ...08 Sep 2004
463Thallinger BernhardCsiba Dominik (SVK)23570-127 ≣B33Ch European Union...25 Aug 2004
462Santiago Pereira ...1894Perez Luis Manuel...24300-131 ≣B54It (open)13 Aug 2004
461Crapulli Giuseppe...Van De Walle Rob0-126 ≣B54Ch NATO13 Aug 2004
460Bruno Ronald (USA)2214Van Buskirk Charl...22930-122 ≣B54Ch Southern Calif...24 Jul 2004
459Ede AlbertTyomkin Dimitri (...25050-119 ≣B33It (open)13 Jul 2004
458Jenc Milan (CZE)1888Snaidr Jiri (CZE)20690-117 ≣B54It (open)05 Jul 2004
457Rivara Massimo (ITA)1887Estremera Panos S...23770-126 ≣B33It (open)04 Jul 2004
456Nguyen Thi Thu HangTran Thi Thanh Huong0-132 ≣B54Ch Vietnam (junio...
455Macharacek Simon ...2209Gutman Gennadi (UKR)25080-132 ≣B54It (open) \
454Derbentseva Irina...2069Maslak Alexander ...22050-130 ≣B33It (open) \
453Atarov Evgeniy (RUS)2138Baklan Vladimir (...25910-123 ≣B54It (blitz) (qual)
452Dobes Oldrich (CZE)2066Meins Gerlef (GER)24400-126 ≣B33It (open)15 May 2004