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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
1Busek HansSajtar Jaroslav (...0-126 ≣B33Match \
29Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA16 Dec 1963
27Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA
622Vorontsov Nickola...2312Rysbayeva Aigerim...21671-029 ≣B54It (open)14 Jun 2009
672Guy David (WLS)1958Rusev Krasimir (BUL)25240-120 ≣B53It \11 Jul 2010
501Angelov Angel (BUL)2224Rusev Krasimir (BUL)24531-031 ≣B53It (open)14 May 2006
719Vichkov GenoRusev Krasimir (BUL)25300-120 ≣B53It (open)05 Sep 2011
651Stoyanov Stefan (...1839Rusev Krasimir (BUL)25240-131 ≣B53Memorial Tringov ...
268Perez Cadenas Ces...1798Rubio Doblas Fco ...20400-114 ≣B21Ch Malaga
290Garcia ChristopheRouverol Guy (FRA)20301-032 ≣B33Ch France (team) ...
90Kwiecien Zbigniew...2139Rossmann Helmut (...22641-025 ≣B54It
163Hellwig Martin1925Rossmann Andreas ...20930-124 ≣B33Mecklenburg Lande...
22Bouwmeester Hans ...2343Roessel Fritz (NED)0-111B33It
275Moreno Mestre Jul...2090Rodes Apilluelo J...20160-132B33It (open)
538Ezkerro Hernandez...1686Rizouk Aimen (ALG)24700-123 ≣B54It (open)21 Sep 2007
170Prada Rubin Ferna...2169Rivera Daniel (URU)23800-117 ≣B54It (open)
360Gonzalez Davila R...2213Risotti Laureano1-026 ≣B54Ch Pan-American (...
63Rossmann Helmut (...2264Riha Vaclav (CZE)23101-029 ≣B33Match \
4German Eugenio (BRA)2315Ribeiro Sabino Jr1-030 ≣B33Ch Brazil
78Holl Andreas (GER)2149Reichenbacher Ger...18401-032B33corr.
546Lechner Otto (GER)1946Rau Hannes (GER)24290-128 ≣B33It (open)02 Jan 2008
559Sobierska Wiolett...1982Raszkiewicz Agnie...18261-020 ≣B33Ch Poland (junior...01 Apr 2008
23Yepez Olavo (ECU)2305Rannanjarvi1-030 ≣B33Ch World (team) (...
245Queirolo Manuel (...2108Ramirez Sergio1-030 ≣B33It (open)
102Semeniuk Alexande...2417Ragozin Evgeni (RUS)24411-027 ≣B33Ch Armed Forces
124Becker JueRagozin Evgeni (RUS)24410-117 ≣B33It (open) \
628Bulmaga Irina (MDA)2277Raeva Elitsa (BUL)22360-130 ≣B33Ch Bulgaria (open...29 Jul 2009
730Leresche Samuel (...1990Raetsky Alexander...24600-128 ≣B33It (open)26 Dec 2011
741Miroi Robert-Andrei1817Radulescu Vlad-Al...18360-127 ≣B54Ch Romania (junio...08 Apr 2012
322Felegyhazi Laszlo...2300Racz Zoltan (HUN)22931-030 ≣B54Ch Hungary (team)...28 Feb 1999
535Tran Quoc Dung (VIE)2241Quach Phuong Minh...1-028 ≣B50Ch Vietnam (team)29 Aug 2007
388Pesola Jyrki (FIN)2078Puuska Heini (FIN)20391-030B54Ch Finland (team)...
288Grzina BPuschmann Laszlo ...22850-129B33Ch European Union...
466Saastamoinen Aarn...2162Pulkkinen Kari (FIN)23190-132 ≣B54Ch Finland (team)...18 Sep 2004
41Rodriguez Adolfo ...2235Pugach Mario0-128 ≣B33Tournament (team)
597Polyansky Viktor ...2027Provkin Vladimir ...22540-125 ≣B54Ch City (open)18 Feb 2009
276Enrique Veronica ...Prior Marciane (BRA)19010-123 ≣B33Ch Pan-American (...
742Tapera Uzeni1949Ponelis Albert A19861-023 ≣B33It (c)28 Apr 2012
531Barszcz Michal (POL)1707Ponceleusz Bronis...19950-131 ≣B33It (open) (b)20 Jul 2007
409Markantonaki Hari...2059Polyzou H16851-022 ≣B33Ch Greece (junior...28 Apr 2002
551Vanek Petr (CZE)2184Polak Benedikt (CZE)20750-125 ≣B54Czech League 2007...03 Feb 2008
117Zugaj Fjodor (SLO)2211Podvrsnik Marko (...21960-126 ≣B54Ch Slovenia
401Kamstra Jippe (NED)2121Plukkel Sjoerd (NED)21700-131 ≣B54Ch Netherlands (j...
392Regue Farran Enri...2057Plachkinova Tatja...21870-124 ≣B33Ch Tarragona
536Fuchs Georg (AUT)2181Pitl Gregory (GER)24030-127 ≣B30It \07 Sep 2007
724Olsen Kar1604Piotrowski Przemy...19600-122 ≣B54It (open)26 Oct 2011
744Drop Szymon (POL)1766Piotrowski Przemy...19330-129 ≣B54Ch Poland (team) ...
368Sequeda Nancy (VEN)2065Pina Sulennis (SUL)23450-117 ≣B54Ch Continent (w)
498Rawicz Karol (POL)2100Pigula Marek (POL)20761-029 ≣B54Ch Poland (junior...27 Mar 2006
557Tran Tuan Minh (VIE)2261Phan Dinh Nhat Kh...19671-032 ≣B33Ch Vietnam
412Farago Sandor (HUN)2305Pg Mohd Omar Ak H...22171-027 ≣B33It (cat.1)
479Lotsov Har-Zahav ...2036Petry Joachim1-022 ≣B54Ch Europe (seniors)25 Jun 2005
694Blazeka MihaelaPetrusic Toni (CRO)21700-131 ≣B54It (open) (b)13 Apr 2011
519Purgar Ivona (CRO)2023Petrovic Zvonko (...22541-031 ≣B33It (open)17 Mar 2007
711Stasius Vidmantas...1984Petraitis Gintaut...19460-124 ≣B54It (open)26 Jul 2011
32Pregherman ShmuelPersitz Raaphi (SUI)23360-132 ≣B33It
563Shmat Anna (UKR)1820Pershina Ljudmila...18690-128 ≣B33Ukrainian Games (...19 May 2008
402Cooke Eric (USA)2210Perez Luis Manuel...23890-122 ≣B33It (open)
462Santiago Pereira ...1894Perez Luis Manuel...24300-131 ≣B54It (open)13 Aug 2004
510Lazovic Branko (SRB)1994Pavlovic Dragolju...22460-131 ≣B33Ch Belgrade (team...29 Sep 2006
625Kadlec A1670Pavlik F0-127 ≣B32It (open)
243Batic APavasovic Dusko (...24950-126 ≣B33It (open)
503KolodinPauli Stanislav (...20790-129 ≣B54Tournament (open)
263Csorbai Attila (HUN)2112Pataki Gyozo (HUN)22300-129 ≣B33Cup Tenkes (open)
720Somasundram Jayak...1959Paseka Christian ...17521-032 ≣B54Ch Vienna State (b)17 Sep 2011
34Drozd Ryszard (POL)2249Partos Charles (SUI)23450-127 ≣B33?
195Ruiz Gutierrez Ma...2194Pariente Lopez Fr...21800-124 ≣B33Ch Malaga
550Ivanov Rostislav ...2252Panchenko Alexand...22790-127 ≣B54Ch PriFO26 Jan 2008
469Abu Sufian Shakil...2317Palit Somak (IND)23400-132 ≣B54It (open)17 Nov 2004
101Harlin Henri (FRA)2106Pal Imre (HUN)21551-028 ≣B54It (open)
544Tashimova Nadiya ...2094Pak Evgeniy (KAZ)21840-121 ≣B54It (open)17 Dec 2007
186Seminara Juan Pab...2200Paglilla Carlos (...24000-130 ≣B54Match (team)
545Gomez Figueroa Ma...1970Padros Martinez A...18931-021 ≣B54It (open) (b)01 Jan 2008
26Lantsias AndreasPachman Ludek (GER)22780-126 ≣B33Olympiad
686Corredor Fabian (...1984Ovalle Odilio1-026 ≣B33It (open)05 Dec 2010
602Natterer Winfried...1793Oud Niek (NED)20370-130 ≣B33It (open)09 Mar 2009
548Labedz Patrycja (...1992Orzechowski Micha...16221-031 ≣B54It (open)18 Jan 2008
135Figuerola AOlmo JL1-024B54It (open)
684Senkyr Martin (CZE)2160Obsivac Josef (CZE)22780-124 ≣B30Czech League 2010...28 Nov 2010
667Guerrero Andres (...2195Obregon Rivero Ju...24080-128 ≣B54Memorial J.Capabl...14 Jun 2010
131Lindri Juni Wijay...2155Nutu-Gajic Dana (...23500-128 ≣B53Olympiad
208Gmizic PeterNutu-Gajic Dana (...23050-130 ≣B53Tournament
404Gvilava Maya (RUS)2012Nowak Malgorzata ...20841-017 ≣B54Ch Europe (junior...
138Rajlich Vasik G (...2303Noren K0-129 ≣B33Tournament
126Chehayeb SalahNoren K1-030 ≣B33It (open)
112Vandivier DonNoren K0-122 ≣B33It (open)
607So Wesley (PHI)2646Nolte Rolando (PHI)24581-027 ≣B54It (cat.11) \26 Mar 2009
589Benson Christophe...1927Nokes Roger I (NZL)22930-132 ≣B33It (open)09 Nov 2008
210Parkanyi Attila (...2380Nogrady Vilmos (HUN)22900-123 ≣B54Memorial Schneide...
534Abdulmalik ZhansayaNoaman Shaima1-026 ≣B33Ch Asia (juniors)...25 Aug 2007
333Andreeva Mariya (...2059Nikolaidis Ioanni...25120-123 ≣B33It (open)
324Aftsoglou Ioannis...2203Nikolaidis Ioanni...25120-119 ≣A04Ch Greece
576Kuteneva Galina (...1915Nikolaev Alexande...19860-132 ≣B54Tournament (open) \04 Aug 2008
575Bollaart Jeroen (...1911Nijboer Friso (NED)25400-132B33It (open)02 Aug 2008
331Turunen Markus (FIN)2086Nieminen Kari (FIN)22250-116 ≣B33Ch Finland (team)...
480Brekka Hanus (FAI)2115Nielsen Carl-Otto...19471-017 ≣B33It \21 Jul 2005
408Rolfe Warrick (CAN)2090Nickoloff Bryon (...24130-127 ≣B54It (open)
627Le Kieu Thien Kim...2250Nguyen Thi Thanh ...23300-129 ≣B33Zt (w)28 Jul 2009
739Krstevski Vlatko ...2148Nevednichy Vladis...25460-132 ≣B33It (open)07 Apr 2012
306Ravnik Franc (SLO)1913Nevednichy Vladis...25370-131 ≣B54It (open)