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Sicilian, Dragon, Classical, 9.Nb3 Notation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. 0-0 0-0 9. 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
446Abalde Fernandez ...2129Nanu Ciprian-Cost...24560-125 ≣B32It (open)
698Abdumalik Zhansay...1870Kharmunova Nadejd...21210-130 ≣B33Ch World (blitz) ...14 Sep 2010
529Abhyudaya Rajpuro...2112Damaso Rui (POR)24490-126 ≣B54It (open)08 Jul 2006
94Abraham GJKretschmer Helmut0-125 ≣B70Ch DDR (corr.)
585Adler HeikoHorn Volker1-030 ≣B70Verbandsliga Bade...13 Jan 2008
71Ahman ErnstJohansson Mikael ...22841-024 ≣B33Ch Sweden
30Ahues Carl O (GER)Hermann0-130 ≣B70It10 May 1947
34Aitken James2200Friedman O (ENG)1-028 ≣B70Ch Great Britain
56Aitken James2200Footner JK1-017 ≣B70Ch Great Britain
337Akperova AlexandraKuleshova N1-021 ≣B33Ch Russia (junior...
666Alekseenko Kirill...2284Smirnov Artem (RUS)24261-025 ≣B70Tournament (open)11 Jan 2010
717Alekseenko Kirill...2303Grigoryan Karen (...23751-028 ≣B70Memorial V.Somov ...07 May 2011
17Aleman Dovo MiguelCruz Bulnes D1-029 ≣B33Olympiad
105Alexander Joe MattFindlay Ian T (CAN)23050-127 ≣B70It (open)
676Alexandrova EvgeniaIljina Natalia0-132B32Ch Ukraine (junio...13 Mar 2010
37Almeida Soares Jo...Gentil Luiz Jr (BRA)22150-132 ≣B33Ch Brazil
120Altena KSchermer A1-028 ≣B33It (open) (b)
307Alvarez Carlos (ARG)2041Roselli Mailhe Be...23850-122 ≣B33It (open) \
432Alvarino Cazon Jo...2083Llaneza Vega Patr...22011-020 ≣B32Ch Asturia
114Alzate Dario (COL)2365Ruiz1-030 ≣B32It
73Anderson Bruce R ...2188Cuartas Carlos (COL)22560-125 ≣B32Olympiad
182Andersson PaulNilsson Per-Gunnar1-029 ≣B70Ch Sweden (corr.)
554Andrade OsvaldoZini Jhone0-126 ≣B70Ch Region18 Jan 2007
144Antognazza Bruno ...1922Curi Gabriel (URU)21540-127 ≣B70It
215Aoiz Linares Jose...2118Lerch Gallemi Jos...22240-132 ≣B70Ch Catalunia
346Arbanas Josip (CRO)2196Jovanovic Zoran (...23100-122 ≣B54It (open)
473Arias Lemmys A (ESA)2312Iraheta Rafael (ESA)19991-028 ≣B70Ch Salvador
648Arig Busra (TUR)1754Menzi Nezihe Ezgi...17230-128 ≣B70Ch Turkey (w)13 Jul 2009
288Armanda Ivica (CRO)2245Kragelj M20001-025 ≣B32It (open)
175Arvidsson TKarlsson Lars (SWE)24800-131 ≣B70Tournament
50Ary ClaudioGentil Luiz Jr (BRA)22150-124 ≣B33Ch Brazil
342Asrian Karen (ARM)2600Dgebuadze Alexand...25051-030 ≣B54It (open)
424Assis WilliamRosenberger Jerome0-122 ≣B33Tournament (IECG)
764Assumpcao Roberto...2218Caceres Recalde G...15821-030 ≣B70Ch American Conti...12 Oct 2012
343Auschkalnis Reinh...1802Wachweger Albrech...19201-027 ≣B70It (open)
199Ayza Ballester Jo...2310Mestel A Jonathan...25200-123 ≣B70It (active)
560Azevedo Alcides A...2131Tine Vinicius (BRA)21960-133 ≣B70Tournament (a)27 Apr 2007
86Bacchini StefanoGentile G1-016 ≣B70It (open) (f)
515Bachmann Axel (PAR)2393Minaya Juan (COL)22521-030 ≣B23Ch American Conti...12 Aug 2005
185Backelin Rikard (...2352Karlsson Lars (SWE)24801-030 ≣B70Tournament
156Backman BGrohde Wolfgang (...21280-132 ≣B70Europe Tournament...
415Bacsi Andras (HUN)2065Vannay Janos (HUN)20291-018 ≣B54Tournament (Elo) (a)
353Badalo Roberto (CUB)2154Fernandez Lisandr...22800-133 ≣B27Ch Cuba (team) (j...
542Bader Katharina (...2143Ulms Sandra (GER)22110-130 ≣B70Bundesliga 2006/0...21 Oct 2006
352Badii Madjid (FRA)2248Derieux Christian...22850-124 ≣B70It (cat.4)
147Bahry JosefNigl Andreas (GER)21230-125 ≣B70It (open)
251Baillard Marc (FRA)1905Lemaire Charles0-126 ≣B70Ch France (team) ...
565Bajek Marek (POL)2027Dus Leszek (POL)19320-132 ≣B33It (open) (b)08 Jun 2007
167Balashov Yuri S (...2565Demeter Istvan (HUN)20241-022 ≣B23It (open)
259Balashov Yuri S (...2530Batiulev1-027 ≣B23It (open)
535Balcaite Agne (LTU)1857Rudys Mantas (LTU)18561-028 ≣B70Tournament (open)14 Aug 2006
466Balsinek Pavel (CZE)2176Mudra Tomas (CZE)20751-024 ≣B70Memorial O.Duras ...
303Balvanyos Istvan ...2143Zambo Zoltan (HUN)23890-129 ≣B70It (open)
760Banisaeed Fatemeh1678Tajik Saheh (IRI)19420-127 ≣B70Tournament \17 Jul 2012
286Baron Rodriguez J...2380De La Villa Garci...24850-130 ≣B30It (open)
477Barrionuevo Pablo...2232Rebottaro Hector ...22740-126 ≣B70It (open)
408Barrionuevo Pablo...2196Zuriel Alejandro ...22240-130 ≣B53Ch Argentina (jun...
302Barsi LorenzoMauro Alan (ITA)22750-128 ≣B21Ch Italy \
160Bartak Vladimir (...2295Jirovsky Milos (CZE)23100-129 ≣B70Ch Czech Chess Union
453Bartels Holger (GER)2136Ivanov Mikhail M ...24420-128 ≣B27It (open)
332Barua Dibyendu (IND)2540Joshi G B (IND)22501-033 ≣B70Ch India
110Barua Dibyendu (IND)2460Sax Gyula (HUN)25351-029 ≣B70It (open) \
697Baskin Robert (GER)1870Loew Gerald (GER)22630-130 ≣B27It (open) \05 Sep 2010
617Bas Mas Jose Joaq...1937Alonso Moyano Jon...23790-131 ≣B53It (open)25 Aug 2008
314Bastidas Rodrigue...2245Mieles Palau Dani...21551-026 ≣B70Tournament (Elo) (2)
707Bauyrzhanova KEsenbaeva G1-023 ≣B33Ch Kazakhstan (ju...08 Jan 2011
267Becker Hartmuth (...2136Roth Andreas15190-132 ≣B70It (open)
397Bednikova Stefi (...2072Schaar Andreas (GER)19791-025 ≣B70NRW-liga 1999/00
155Begnis Nikolaos (...2300Osswald Dietrich1-025 ≣B32It (open) \
734Belenkaya Dina (RUS)2181Kuvyrshin Maksim ...18341-033 ≣B70Tournament (open) \28 Oct 2011
36Beni Alfred (AUT)2210Platt Joseph (AUT)0-128 ≣B33Memorial C.Schlec...
45Benitez Francisco...Schneider Lucien ...0-132 ≣B70Olympiad13 Sep 1956
459Berczes Csaba (HUN)2240Czimer Jozsef (HUN)20631-030 ≣B33It (open)07 Jan 2002
39Berger Bela (HUN)Navarovszky Laszl...22800-132 ≣B33Ch Hungary
416Bergmanis Olgerts...1756Meldrum George1-029 ≣B27Cup Doeberl
123Bergmanis Olgerts...1756Bunn Nigel0-119 ≣B70It (open) \
596Bernat TadeuszCiechonski Piotr ...21220-113 ≣B70Tournament (open)13 Jun 2008
190Bex Pierre-Alain ...2229Desbonnes Samy (FRA)22730-131 ≣B70Ch France (team)
641Bibilashvili Anna...1908Dibirova Uma (RUS)19060-133 ≣B32Ch Russia (junior...21 Apr 2009
509Bibizas Hristos (...1800Verikakis Emmanou...18600-133 ≣B70Tournament (junio...30 Jun 2005
297Biebinger HolgerTrautmann M0-131 ≣B70Ch Germany (junio...
41Bigot LBonham RW1-030 ≣B33Memorial Dyckhoff...
480Biro Andras (HUN)2293Gonda Laszlo (HUN)24000-127 ≣B53It (open)08 Jan 2003
425Blaszczak Pawel (...2064Baran Pawel (POL)20991-020 ≣B70Ch Poland (team) ...
183Blixt MikaelHultquist Ola0-121 ≣B70Ch Sweden (corr.)
402Blohm David (USA)2176Martinez Marcel (...23340-119 ≣B54It (open)
420Blom SeppoVerkasalo Tommi (...20630-128 ≣B32Ch Finland (team)...
594Blom Vincent (NED)2053Schagen Walt15861-033 ≣B70Ch Netherlands (j...25 Apr 2008
11Bogoljubow Efim D...Weichert P1-026 ≣B33It
569Bojovic Dusan (SRB)2228Green Andrew (SCO)20000-130 ≣B32Ch European Youth...12 Jul 2007
164Bonnaire Rudolf (...2097Erhart Helmut (AUT)20620-122 ≣B70Ch World (seniors)
49Borges Luis RobertoCanabrava Antonio1-033 ≣B33Ch Brazil
514Borkovec Milan (CZE)2263Heyda Jan (CZE)21611-027 ≣B70It (open)06 Aug 2005
137Borngaesser Rene ...2345Geisler Robert (GER)22550-129 ≣B70Bundesliga 1988/89
610Brodowski Piotr (...2401Warszawski Bartos...22931-026 ≣B23Memorial M.Najdor...10 Aug 2008
319Brychta Jan (CZE)2212Zoebinger Bernhard1-022 ≣B33It (open) (juniors)
103Buchanan H2160Watts David (ENG)22700-124 ≣B70Ch Great Britain
663Bui Kim Le (VIE)2177Pham Bich Ngoc (VIE)21051-026 ≣B70Ch Vietnam (maste...11 Dec 2009
628Bulatovic Ilija (...1903Bojovic Dusan (SRB)22590-122 ≣B30It (open)27 Nov 2008
625Bulatovic Ilija (...1903Kjoita Henning (NOR)19131-033 ≣B27Ch World (juniors...22 Oct 2008