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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
350Abbasov Vusal (AZE)2167Guseinov Vusal (AZE)0-113 ≣B33Ch Azerbaijan (ju...
534Abdulmalik ZhansayaNoaman Shaima1-026 ≣B33Ch Asia (juniors)...25 Aug 2007
561Abhinaya SubhechiMehar Chinna Redd...22220-125 ≣B54Cup Mayors (open)11 May 2008
469Abu Sufian Shakil...2317Palit Somak (IND)23400-132 ≣B54It (open)17 Nov 2004
337Adensamer Gerhard...2047Seres Lajos (HUN)24440-128 ≣B33It (open)
524Adorno AnibalLemos Damian (ARG)24600-123 ≣B33It (open)
324Aftsoglou Ioannis...2203Nikolaidis Ioanni...25120-119 ≣A04Ch Greece
118Ahrens Manuela (GER)2125Darchia Diana (GEO)23130-132 ≣B50Ch World (juniors)
18Ajanski Jordan S ...2350Milev Zdravko (BUL)22300-129 ≣B33Ch Bulgaria16 Nov 1954
449Alavi Sayed Javad...2293Abhay T (IND)22520-131 ≣B33Ch Asia (juniors)...04 Apr 2004
12Aleman Dovo MiguelGligoric Svetozar...24470-131 ≣B33It
11Alexander Conel H...Janosevic Dragolj...23301-020 ≣B33It
140Alfara J LAdla Diego (ARG)24550-130 ≣B54It (open)
673Almer Julia (SWE)1908Jankovic Alojzije...25600-125 ≣B33Cup Artemis (open)13 Jul 2010
487Almer Julia (SWE)1943Bensdorp Laura (NED)20900-125 ≣B54Ch World (juniors...20 Nov 2005
335Al Sherkh Khade W...Batceceg Tuvshint...22370-128 ≣B54Olympiad (w)
708Amado Maldonado JhonGomez Perez Jaido...18850-120 ≣B33Ch Pan-American (...05 Jul 2011
212Amonatov Farrukh ...2110Ganesan Sankar (IND)22951-023 ≣B33Ch Asian Cities (...
85Anastasiou StavrosJacovides M1-028 ≣B32Ch Cyprus
333Andreeva Mariya (...2059Nikolaidis Ioanni...25120-123 ≣B33It (open)
649Andrejevic Miladi...1929Indjic Dusan (SRB)22870-127 ≣B33Ch City (open)23 Jan 2010
501Angelov Angel (BUL)2224Rusev Krasimir (BUL)24531-031 ≣B53It (open)14 May 2006
230Ankhchimer Bayanm...2151Gara Anita (HUN)22650-124 ≣B54Ch World (juniors...
339Aout Sebastien (FRA)2157Marino Olivier (FRA)20671-020 ≣B54Ch France (juniors)
89Ardiansyah H (INA)2371Jonathan S1-032 ≣B33?
365Armougom GiannyBremond Eric (FRA)23000-116 ≣B33It (open)
475Ascic Pero (CRO)2348Sliepcevic Mladen...21811-032 ≣B54It (open)26 Feb 2005
675Aslanian Ludmila ...2113Kalinina Larisa (...21470-131 ≣B33Memorial L.Rudenk...05 Aug 2010
36Asplund LennartSigurjonsson Gudm...24631-029 ≣B33Ch World (juniors...
453Atarov Evgeniy (RUS)2138Baklan Vladimir (...25910-123 ≣B54It (blitz) (qual)
349Ausserer Peter (AUT)Jedinger Andreas ...21010-124 ≣B54Staatsliga B East...
723Avila Pedro (COL)2102Vargas Eduar Misael19071-032 ≣B54It (team)17 Oct 2011
242Avram JohannSchmid Sandro (SUI)22830-126 ≣B33It (open)
39Babula Milan (CZE)2306Zavodny Zdenek1-018 ≣B33It \
371Balaskas Panayoti...2183Kotronias Vasilio...25480-131 ≣B33It (open)
584Bandeira Carlos F...1879Barreto Filho Car...23000-131 ≣B33Tournament (open)09 Oct 2008
734Barakin Gennady (...Miminoshvily Mera...1-017 ≣B20Tournament (Elo)02 Feb 2012
595Baran Pawel (POL)2119Zinchenko Yarosla...25360-123 ≣B33Ch Europe (active)20 Dec 2008
430Barhudarian Rafae...2103Fedin Sergey (RUS)0-121 ≣B33Tournament (open)\
531Barszcz Michal (POL)1707Ponceleusz Bronis...19950-131 ≣B33It (open) (b)20 Jul 2007
198Bartos Alois (CZE)2077Adamek Zdenek (CZE)22521-032 ≣B54Ch Czech Chess Un...
77Barua Dibyendu (IND)2400Makarichev Sergey...25201-031 ≣B54It
91Basanta Gary (CAN)2324Minaya Juan (COL)22071-028 ≣B54It (open)
326Batali Gheorghe (...2063Sima Marian (ROM)22930-127 ≣B53Memorial V.Ciocal...
243Batic APavasovic Dusko (...24950-126 ≣B33It (open)
226Batyrbekova AKalinina Vladisla...21251-017 ≣B33It (open) (w)
443Baxishov A (AZE)Agaragimov Djakha...21540-130 ≣B54Ch Azerbaijan (ju...27 Jan 2004
552Bazaj Bockai Snje...2103Berke Ana (CRO)20800-126 ≣B53Ch Croatia (w)03 Feb 2008
124Becker JueRagozin Evgeni (RUS)24410-117 ≣B33It (open) \
122Beckerman MarceloSifres Pablo (ARG)21551-025 ≣B33It (open) \
319Becker Nils (GER)2145Bauer Mirko1-031B30Ch Germany (junio...
433Beketov Viktor (RUS)2137Gerasimov Alexand...0-124 ≣B33Ch Russia (for th...
329Beliaev Sergei V ...2233Maksimenko I0-131 ≣B33Tournament (Elo)
564Belitzky Dmitri G...2084Zavialova Ekateri...17831-030 ≣B33Memorial Y. Voron...
51Benes Petr (CZE)2166Mokry Karel (CZE)24200-128 ≣B32It (juniors) (und...
589Benson Christophe...1927Nokes Roger I (NZL)22930-132 ≣B33It (open)09 Nov 2008
203Berger Joachim (GER)2042Gombert Reiner (GER)19120-125 ≣A00Ch Schleswig Hols...
281Bermudes Eduardo ...2190Zapata Alonso (COL)24540-128 ≣B54Cup Carnaval (open)
434Bernard Benjamin1756Thuerauf Peter (GER)19940-124 ≣B33Ch Mittelfranken ...16 Apr 2003
183Bernat Ernest (ESP)2118Campos Moreno Jav...24500-128 ≣B33It (open)
624Bharathi R (IND)1952Mamedov Nidjat (AZE)26140-129 ≣B54It (open)
588Bigalke Tobias (GER)2101Stabolewski Andre...22770-127 ≣B33It (open)06 Nov 2008
185Binder Tamas (HUN)2277Varga Zoltan (HUN)25350-119 ≣B33It (open)
29Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA16 Dec 1963
27Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA
695Blanco Montes PabloDraghici Gavril (...20760-127 ≣B33Tournament (open) \20 Apr 2011
109Blasi FBjelica Dimitrije...23801-030 ≣B33It (open)
694Blazeka MihaelaPetrusic Toni (CRO)21700-131 ≣B54It (open) (b)13 Apr 2011
474Blecha Miroslav (...2148Seleljo Daniel (CZE)22510-128B33Czech League 2004...06 Feb 2005
2Bobotsov Milko G ...2405Malchev Andrei0-124B33Ch Bulgaria
472Boehm Thomas (GER)2205Leks Hanna (POL)22090-126 ≣B54It (open)
67BoeredougaWhitehead Jay E (...23250-125 ≣B33Ch World (team) (...
24Bogdanov Anatoly ...Kamensky Vitaly (...1-024 ≣B33Ch Russia (for th...
448Bogomolova Ekater...2080Ivakhinova Inna (...21771-024 ≣B33Ch Russia (junior...
575Bollaart Jeroen (...1911Nijboer Friso (NED)25400-132B33It (open)02 Aug 2008
537Bondar Leonid (USA)2066Danner Georg (AUT)24340-119 ≣B33Ch World (seniors)17 Sep 2007
28Bonfioli MarcoTrincardi Tullio ...22350-122 ≣B33It
393Borekci GucluJobava Beglar (GEO)23530-124 ≣B54It (open) \
447Borigas Edgardo (...1986Ak Qadri Pg Mohd ...0-130 ≣B30Ch Asian Cities (...25 Mar 2004
571Botheim Tor (NOR)1987Matthiesen Martin...22980-132 ≣B33It (open) \20 Jul 2008
83Bouaziz Slim (TUN)2370Salov Valery (RUS)25750-127 ≣B33Izt
105Bouaziz Slim (TUN)2338Ziska Bogi (FAI)22021-028 ≣B33Olympiad
22Bouwmeester Hans ...2343Roessel Fritz (NED)0-111B33It
59Bozic AleksandarDamljanovic Brank...26070-125 ≣B54It30 Jan 1980
84Brdicko Petr (CZE)2255Weglarz Leszek (POL)22240-132 ≣B33Cup Warsaw
480Brekka Hanus (FAI)2115Nielsen Carl-Otto...19471-017 ≣B33It \21 Jul 2005
494Breslavska Galina...2176Choba Yulia (UKR)18311-026 ≣B30Ch Ukraine (junio...10 Feb 2006
661Brkic Ivica (CRO)2164Biliskov Vjekosla...22960-130 ≣B54It (open)09 May 2010
488Bruckner Paul1530Churt Kerstin Dr17870-118 ≣B32Ch Mittelfranken ...04 Dec 2005
460Bruno Ronald (USA)2214Van Buskirk Charl...22930-122 ≣B54Ch Southern Calif...24 Jul 2004
647Brylova Natalia (...1898Shaidullina Sandu...21750-131 ≣B33Ch PriFO (w)06 Jan 2010
271Buerger Helmut (GER)1900Becher Helmut Dr ...20720-128 ≣B33Ch SVR (2)
628Bulmaga Irina (MDA)2277Raeva Elitsa (BUL)22360-130 ≣B33Ch Bulgaria (open...29 Jul 2009
678Burani Eugenio (ITA)1899Gemelli Giovanni ...17411-023 ≣B33Tournament (open)25 Sep 2010
272Burchert Wolfgang...2167Mainka Romuald (GER)24800-121 ≣B33VK1 1997/98
421Burijovich Lilian...2212Atalik Suat (BIH)25410-130 ≣B54It (open)
96Burshaid LHakki E0-115 ≣B54Olympiad Arab states
1Busek HansSajtar Jaroslav (...0-126 ≣B33Match \
355Buss Richard (GER)1669Langmann Claus (GER)19300-123 ≣B33Ch Germany (seniors)
202Cajal Andre (BRA)2081Limp Eduardo (BRA)23250-127 ≣B23It (open)