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Sicilian, Najdorf, 6.f4 Notation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4

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
36Hoelscher Thorste...2138Abbasi Nasser M (...22800-122 ≣B90It (open)
363Herrera Irisberto...2487Abreu Aryam (CUB)24271-023 ≣B90It (cat.8) (b)
227Schmaltz Roland (...2305Adianto Utut (INA)24850-120 ≣B90It (open)
250Sosa LiberAlbizzati Alexandre1-011 ≣B90Ch Pan-American (...
77Messa Roberto (ITA)2305Aleksic Nenad (MNE)20121-023 ≣B90It (open)
378Martidis Alkis (CYP)2188Al Jasani22001-024 ≣B90Olympiad
46Filippov Anton (UZB)2475Amanov Mesgen (TKM)22500-124 ≣B90Ch Asia (juniors)22 Dec 2004
437Yerofeev Sergey (...2359Andersson Jan (SWE)1-018 ≣B90World Tournament ...
142Mrva Martin (SVK)2470Andre Wolfgang (GER)21971-024 ≣B90Bundesliga 1991/92
113Popovych Orest (USA)2370Andre Wolfgang (GER)21971-021 ≣B90It
377Mahesh Chandran P...2253Aravindan P1-015B90Ch India (juniors...
12Sonnberger Reinha...2216Arbakov Valentin ...24750-124 ≣B90Staatsliga (3rd) ...
236Kondou Eva (GRE)2187Arbil Joan18450-123 ≣B90Olympiad (w)
143Firman Nazar (UKR)2525Areshchenko Alexa...26641-018 ≣B90Bundesliga 2008/0930 Nov 2008
127Suominen Antti TuTSArppi Heikki1-024 ≣B90Ch Finland (team)...
214Vratonjic Slobo (...2396Arsovic Goran (SRB)23850-115 ≣B90Ch Yugoslavia (open)
157Barthel Ansgar (GER)2235Auschkalnis Reinh...18781-023 ≣B90It (open)11 May 2007
416Della Morte Germa...2366Axarlian Carlos (...21260-120 ≣B90Ch Argentina (team)09 Aug 2008
6Butunoi Alexandru...2400Bach Adrian-Kalma...22741-019 ≣B90Cup Muresul (cat.8)24 May 2006
176Sprenger Jan Mich...2090Backmann Michael ...20831-020 ≣B90It (open) (junior...
252Pope ArthurBarber Haydn J (AUS)21671-023B90Ch Australia30 Dec 1971
264Madaschi Sergio (...1636Barritt Jordan1-023 ≣B90Tournament (weekend)25 Mar 2006
388Rice Christopher ...2060Bates Richard (ENG)23450-121 ≣B90It (open)
327Lagumina Giulio (...2320Battaggia Piergio...20431-023 ≣B90It (open)
328Scotti Umberto (ITA)2182Battaggia Piergio...20431-017 ≣B90It (open)
78Durao Joaquim (POR)2127Battaglini Gabrie...23050-123 ≣B90It (open)28 Feb 2004
237Poliakov Vladimir...2381Bedia Melor (RUS)24800-121 ≣B53It (cat.6)16 Dec 2010
397Decsey Katalin (HUN)2074Bekker-Jensen Ann...19861-024 ≣B90Ch Europe (junior...
93Aagaard Jacob (SCO)2240Bekker-Jensen Sim...24091-024 ≣B90Tournament
395Martin Benjamin (...2375Belin Igor (AUS)23351-022 ≣B90It (sheveningen)
293Pejic Dragana (YUG)2092Benderac Ana (SRB)21300-124 ≣B90Ch Yugoslavia (te...
278Barthel Ansgar (GER)2224Berg Dietmar (GER)20791-023 ≣B90VL2 1996/97
124Slingerland Fred ...2280Bezemer Arno (NED)22351-015 ≣B90Ch Netherlands (q...
131JamiesonBezsilko Philippe...21911-023 ≣B90Tournament (juniors)
79Guerra Ugo (ITA)2290Birens Eric-Andre...19690-117 ≣B90It (open)
419Lacerda Cesar (BRA)2037Bittencourt Jorge...24400-121 ≣B90Tournament (stude...12 Oct 2010
58Resika Nathan A (...2182Blasko Istvan (HUN)23101-024 ≣B90It (cat.2)
409Noel Richard WBlocker Calvin (USA)23781-023 ≣B90It US open
412Neikirkh Oleg N (...2370Bobotsov Milko G ...24051-023 ≣B90It
28Schulenburg Bernd...Bogner Sebastian ...0-123 ≣B90Verbandsliga Bade...07 May 2006
406Belkhodja Slim (TUN)2440Bonnefoy R1-020 ≣B90It (open)
371Kirsanova Darja (...Bortnikova Olga (...17941-024 ≣B90Ch Russia (junior...
138Musavengana MercyBotlhole Kgalalel...15350-118B90Ch Africa (junior...27 Aug 2010
340Nunn John D M (ENG)2590Bouaziz Slim (TUN)23901-024 ≣B90?
80Louis Jean-Philip...2134Bougel Claude (FRA)17251-020 ≣B90It (open)
358Bakus Michel (FRA)2170Bouvier Bruno (FRA)22981-022 ≣B90It (open)
99KuspielBraune1-024 ≣B90corr.
42Schilling AndreasBreitenbach Chris...1-016B90Ch Unterfranken (b)
374Martin Benjamin (...2375Britton Richard (...23301-014 ≣B90It (cat.4)
126Lillo Josep2200Bruno Ghiani20801-021 ≣B90It (open)
112Nguyen Thanh Nghi...2133Bui Quy Hung (VIE)0-117 ≣B90Ch Vietnam (junio...
59Obran Harald (AUT)1988Burghardt Jozsef ...21601-019 ≣B90It (open) Nyar
186Gijsen Stief (BEL)2111Burg Twan (NED)20710-122 ≣B90It (open) (junior...10 Aug 2004
389Semenova Elena (RUS)1889Butneva Larisa (RUS)18571-024 ≣B90Memorial E.Bykova...13 Dec 2009
18Pailhe Lionel (FRA)2127Calotescu Ana-Cri...22960-120 ≣B53It (open)
254Shirazi Kamran (FRA)2438Cappelletti Rober...18711-013 ≣B90It (open)
357Mania Clement (FRA)2159Caron Damien (FRA)19301-017 ≣B90It (open)28 Jul 2010
311Djuric Stefan (SRB)2437Castellano Alfons...19521-023 ≣B50It (open)27 Jun 2009
68Ginzburg Maximili...2275Celis Gustavo (ARG)22251-023 ≣B90Tournament (team)...
246Atkinson Paul (WLS)2189Ceteras Marius (ROM)22800-123 ≣B90Ch World (juniors...
17MinguetChagnaud Thomas (...21800-116 ≣B90Ch France (access...
295Odinaev Timur (RUS)2279Chernov M (RUS)22351-020 ≣B90Ch SibFO 15 Mar 2008
224Beliavsky Alexand...2555Chevaldonnet Fran...22871-023 ≣B90It
255Deis Alain (FRA)2063Chizelle Bernard ...19800-118 ≣B90It (open)
98Novotny Jiri (CZE)1609Chmiel Pavel (CZE)22431-024 ≣B90Czech League 1995...
291Ghizdavu Dumitru ...2420Choong Liong On22001-023 ≣B90Olympiad
313Shahade Jennifer ...2185Chow Albert (USA)23301-024B90It World Open
158Van Den Berg Harm...2150Clemens Adrian (NED)22770-121 ≣B90It (open) (mini)
438Marecek M (SVK)Cmiel Thorsten (GER)22500-124 ≣B90Ch Czechoslovakia...
56Ansell Simon (ENG)2390Collier David (ENG)22351-018 ≣B90It (open)
83Pablo Marin Aleja...2390Colls Gelaberto E...21841-021 ≣B90It (open)
132Janotta Patrick (...2140Constantin David ...20881-024 ≣B90Ch France (team) ...16 Nov 2003
325Padeiro Jose (POR)2213Costa Joao Guerra...20821-022 ≣B90Ch Portugal (final)
181Pickard CWCrouch Colin S (ENG)23651-018 ≣B90It (b)
366Tsuboi Edson Kenj...2350Cunha Eduardo A (...22421-023 ≣B90Ch Brazil
370Kler Borko (SRB)2224Cvetkovic Nemanja...22461-024 ≣B90It (open)23 Jul 2007
321Guliev Logman (AZE)2383Cyborowski Lukasz...25140-120 ≣B90It (open)
359Bakus Michel (FRA)2147Daillet Emmanuel ...22810-124 ≣B90It (open)
159Ree Hans (NED)2379Danner Georg (AUT)24081-024 ≣B90Ch Europe (junior...30 Dec 1965
280Panchanathan M2486Deepthamsh Reddy ...19971-024 ≣B90Ch Commonwealth03 Oct 2008
287Shaked Tal (USA)2468De Firmian Nick E...25450-123 ≣B90It (open)
202Martorelli Antoni...2380Del-Monaco Andrea...23151-024 ≣B90Ch Italy (1/2 final)
61Pogats Jozsef (HUN)2230Dely Peter (HUN)23910-123 ≣B90Memorial A.Alekhine
60Honfi Karoly (HUN)2365Dely Peter (HUN)23910-124 ≣B90Ch Hungary
261Kapengut Albert Z...2402Dementiev Oleg (ARM)0-124 ≣B90Memorial A.Sokolsky
192Szabo Sandor (HUN)2060Demeter Vilmos (HUN)18620-124 ≣B90Ch Hungary (team)...
114Kindermann Stefan...2519Derlich Karin (GER)20741-018 ≣B90?
51Geirnaert Steven ...2364De Schampheleire ...21561-024 ≣B90It (open)17 Aug 2009
11Lang Torsten (GER)2368Dinstuhl Volkmar ...24080-114 ≣B90Ch Germany (juniors)
433Matulovic Milan (...2394Djantar Djordje (...22401-022 ≣B90Ch Yugoslavia
103Ganichev Alexande...2304Dolbnya Dmitry0-120 ≣B90Ch Russia (junior...
205Ter Sahakyan Samv...2577Doluhanova Evgeni...22331-019 ≣B90Memorial K.Asrian...16 Jun 2012
69Bahamonde AntonioDominguez Cristobal0-122 ≣B90Ch Club Argentino
48Palechor Cesar Au...1805Dominguez Oscar (...20650-123B90Ch Colombia (juni...15 Feb 2012
72Forero Anthony Fr...Dominguez Oscar (...17550-114 ≣B90Ch City (juniors)...15 Jul 2009
404Livshits Ron (CAN)2350Douthwaite Bryan ...21081-024 ≣B90It (open)
266Losev Dmitry (RUS)2375Dubinsky Roman (RUS)22101-017 ≣B90Ch Moscow (open)
104PetriakovaDudysheva1-020 ≣B90Ch Russia (junior...
439Heinig HDufraisse J17800-120 ≣B90Europe Tournament...
385Bazeev German (RUS)2163Duzhakov Ilya (RUS)21180-124 ≣B53Ch St. Petersburg...12 Oct 2007