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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
94Abraham GJKretschmer Helmut0-125 ≣B70Ch DDR (corr.)
585Adler HeikoHorn Volker1-030 ≣B70Verbandsliga Bade...13 Jan 2008
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
717Alekseenko Kirill...2303Grigoryan Karen (...23751-028 ≣B70Memorial V.Somov ...07 May 2011
666Alekseenko Kirill...2284Smirnov Artem (RUS)24261-025 ≣B70Tournament (open)11 Jan 2010
105Alexander Joe MattFindlay Ian T (CAN)23050-127 ≣B70It (open)
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
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
175Arvidsson TKarlsson Lars (SWE)24800-131 ≣B70Tournament
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)
185Backelin Rikard (...2352Karlsson Lars (SWE)24801-030 ≣B70Tournament
156Backman BGrohde Wolfgang (...21280-132 ≣B70Europe Tournament...
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) ...
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
477Barrionuevo Pablo...2232Rebottaro Hector ...22740-126 ≣B70It (open)
160Bartak Vladimir (...2295Jirovsky Milos (CZE)23100-129 ≣B70Ch Czech Chess Union
110Barua Dibyendu (IND)2460Sax Gyula (HUN)25351-029 ≣B70It (open) \
332Barua Dibyendu (IND)2540Joshi G B (IND)22501-033 ≣B70Ch India
314Bastidas Rodrigue...2245Mieles Palau Dani...21551-026 ≣B70Tournament (Elo) (2)
267Becker Hartmuth (...2136Roth Andreas15190-132 ≣B70It (open)
397Bednikova Stefi (...2072Schaar Andreas (GER)19791-025 ≣B70NRW-liga 1999/00
734Belenkaya Dina (RUS)2181Kuvyrshin Maksim ...18341-033 ≣B70Tournament (open) \28 Oct 2011
45Benitez Francisco...Schneider Lucien ...0-132 ≣B70Olympiad13 Sep 1956
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)
509Bibizas Hristos (...1800Verikakis Emmanou...18600-133 ≣B70Tournament (junio...30 Jun 2005
297Biebinger HolgerTrautmann M0-131 ≣B70Ch Germany (junio...
425Blaszczak Pawel (...2064Baran Pawel (POL)20991-020 ≣B70Ch Poland (team) ...
183Blixt MikaelHultquist Ola0-121 ≣B70Ch Sweden (corr.)
594Blom Vincent (NED)2053Schagen Walt15861-033 ≣B70Ch Netherlands (j...25 Apr 2008
164Bonnaire Rudolf (...2097Erhart Helmut (AUT)20620-122 ≣B70Ch World (seniors)
514Borkovec Milan (CZE)2263Heyda Jan (CZE)21611-027 ≣B70It (open)06 Aug 2005
137Borngaesser Rene ...2345Geisler Robert (GER)22550-129 ≣B70Bundesliga 1988/89
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
623Bulatovic Ilija (...1903Le Thanh Tai (VIE)18891-033 ≣B70Ch World (juniors...20 Oct 2008
439Buttner Natalia (...2099Alza Ignacio1-018 ≣B70Ch Argentina (jun...
472Cantero Jorge (FRA)1933Leuly Max (FRA)21170-124 ≣B70Ch Departments (t...
187Cela IAngelopoulos Geor...20541-029 ≣B70It (open)
615Chan Yin Yok LinusMasters Christoph...18410-131 ≣B70It (open)19 Aug 2008
503Chapman Keith (ENG)1938Parmar Amisha (ENG)19600-129 ≣B70It (open)26 Mar 2005
245Chilese Carlo1940Vismara Daniele (...21550-133 ≣B70It (open)
296Choukourova Mekhr...Tompa Neda (SLO)20101-017 ≣B70Ch Europe (junior...
122Computer \Computer \1-026B70Ch World (computers)14 Jun 1986
170Cooper Deborah (WLS)2150Duponchel Claude1-028 ≣B70It (open)
171Cooper Deborah (WLS)2150Ward Christopher ...24400-128 ≣B70It (open)
27Corte Cesar Juan ...Hounie Fleurquin ...1-030 ≣B70It
311Corzo YakelinUlloa Yoriley (CUB)20630-126 ≣B70Ch Escolares
10CourteStrehle Ernst (SUI)0-133 ≣B70Olympiad
253Crocker MichaelAllen Andrew (AUS)22150-127 ≣B70It (open)
496Cubas Jose Fernan...2376Canda Danilo (NCA)23351-026 ≣B70Olympiad27 Oct 2004
404Dalmau Anneli (SWE)2026Ornstein Petra (SWE)20950-127 ≣B70It (w)
349De La Fuente Maya...2157Groba Presa Carlos1-027B70It (open)
406De La Torre Igor ...2131Logel Matthieu (FRA)19890-118 ≣B70Ch France (open) (b)
64Dely Peter (HUN)2391Velimirovic Drago...24070-127 ≣B70It
731De Oliveira Victo...Lima Darcy (BRA)0-129 ≣B70It (open)03 Sep 2011
705Dias Simao Poscid...2086De Freitas Julio ...18731-020 ≣B70Ch Mineiro (1/2 f...27 Nov 2010
552Dias Theodore (FRA)1777Guedon Sosthene (...15811-033B70Ch France (team) ...
530Diermair Andreas ...2377Newrkla Alexander...20611-027 ≣B70It (open)09 Jul 2006
517Djuric Nebojsa (BIH)2110Klimciauskas Doma...19891-026 ≣B70Ch Europe (junior...
63Domnitz Zadok (ISR)2210Neumann Abraham1-027 ≣B70Ch Israel
601Donohue Tom (SCO)1906Ingram Liam (SCO)17601-033 ≣B70Ch Scotland05 Jul 2008
74Drew MMarrinan Des0-113 ≣B70Ch Ireland15 Jul 1970
751Duran Mateo Andres1845Gelvez Chaparro J...16891-022 ≣B70Tournament (unive...30 Mar 2012
48Durao Joaquim (POR)1914Johansson Inge Va...0-133 ≣B70Olympiad
522Enciu Livu1688Edwards Richard17041-022 ≣B70Ch Civil Service ...
141Epding Olaf (GER)2228Hubert Ralf (GER)22930-127 ≣B70It (open) \
673Eprikov Ivan (RUS)1770Adamson Konstanti...21700-128 ≣B70Ch City (final)25 Feb 2010
743Ercan Fahri (TUR)2022Erdogan Hakan (TUR)22570-132 ≣B70Ch Turkey01 Feb 2012
662Erdei Andras (HUN)2159Szalanczy Emil (HUN)23180-133 ≣B70It (cat.2)05 Dec 2009
66Eriksson SixtenEdelsvard Olle0-129 ≣B70corr.
101Erneste Inguna (LAT)2218Kondou Eva (GRE)21871-027 ≣B70Tournament
329Erwich Marc JL (NED)2422Diaz Rodriguez Jo...20501-029 ≣B70Ch Europe (junior...
205Escandon Federico...2145Vescovi Giovanni ...23400-129 ≣B70Ch Pan-American (...
719Estevez Carlos Ar...1832Garcia Talledo Go...1-014 ≣B70Ch Pan-American (...04 Jul 2011
516Fajfer Bartosz (POL)1918Kopczynski Michal...21900-130 ≣B70It (open) (b)19 Aug 2005
132Faure Jean2200Gerber Richard (SUI)22750-130 ≣B70It
457Faustino Gisela (...Solis Luna Karia ...0-127 ≣B70Ch Pan-American (...
746Felber Joseph J (...2066Bryant Todd C (USA)20631-024 ≣B70Ch USA (amateur) ...18 Feb 2012
742Feltrin Kris (SLO)1644Belardinelli Fran...19150-121 ≣B70It (open)30 Jan 2012
361Flaisigova Petra ...2006Slepankova Radka ...20810-131 ≣B70Ch Czech Republic...
265Florczak Tomasz (...2082Banasik Henryk (POL)21180-126 ≣B70Ch Poland (team) ...
351Fluvia Frigola Jo...2197Alonso Moyano Jon...22081-031 ≣B70Ch Catalunia (jun...