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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
251Rios Alejandro (COL)2362Gamboa Nelson (COL)23670-121 ≣B90It
66Polgar Sofia (HUN)2415Sleisz Tamas (HUN)22361-021 ≣B90Cup Donau (open)
426Jedryczka Krystia...2233Szala Grzegorz1-022 ≣B90It (open)
314Rios Alejandro (COL)2362Kelleher William ...23001-022 ≣B90It World Open
445Kurki-Suonio MikkoMestilainen Leo1-022 ≣B90?
69Bahamonde AntonioDominguez Cristobal0-122 ≣B90Ch Club Argentino
64Trajber Csaba (HUN)2005Juracsik Jozsef (...21390-122 ≣B90Tournament (Elo) (a)01 Sep 2012
120Dualibe Leitao R ...Medina Fuentes S1-022 ≣B90Ch World (juniors...
431Van Der Weide Pie...2197Verleye W1-022 ≣B90Ch World (juniors...23 Jul 1968
182Clarke Peter H (ENG)2300Toran Albero Roma...24451-022 ≣B90It
310Sirigos Nikolaos ...2257Ellinas G1-022 ≣B90It
24Gruzmann Boris (RUS)2275Ladstetter Josef ...20821-022 ≣B90Ch Europe (seniors)30 Jun 2005
186Gijsen Stief (BEL)2111Burg Twan (NED)20710-122 ≣B90It (open) (junior...10 Aug 2004
358Bakus Michel (FRA)2170Bouvier Bruno (FRA)22981-022 ≣B90It (open)
76Martin Benjamin (...2375Piscopo S (AUS)21421-022 ≣B90Cup Doeberl
269Losev Dmitry (RUS)2315Nevostrujev Vladi...24100-122 ≣B90It (open)
36Hoelscher Thorste...2138Abbasi Nasser M (...22800-122 ≣B90It (open)
268Saltaev Mihail (UZB)2525Najer Evgeniy (RUS)25350-122 ≣B90Memorial Goldberg
355Gruzmann Boris (RUS)2288Kraaykamp Wim (NED)18661-022 ≣B90Ch Europe (seniors)
400Medina-Garcia Ant...2253Gheorghiu Florin ...23830-122 ≣B90Olympiad
306Morona Minguez Ir...1815Madurga Lopez Ign...20100-122 ≣B90It (open)12 Sep 2010
65Barczay Laszlo (HUN)2465Orso Miklos (HUN)23631-022 ≣B90Ch Hungary
309Semeniuk Alexande...2417Loskutov Oleg (RUS)24391-022 ≣B90Ch URS (club) (1 ...
449Makinen ErkkiPalomaki Pekka0-122 ≣B90Memorial Heilimo ...
353Nitsche WernerReich Jens0-122 ≣B90Ch DDR (juniors) ...19 Aug 1957
200Wong Zi Jing (MAS)2300Ferreira Oscar (PAR)22661-022 ≣B90Olympiad
19Patat Frederic1670Giraudo Samuel (FRA)20720-122 ≣B90It (open)25 Jul 2005
349Cazzaniga Walter ...Giordani Marco (ITA)0-122 ≣B90It (open)
262Kerek Krisztian (...2370Pasztor Ferenc (HUN)22651-022 ≣B90It (open) Avas
5Rios Alejandro (COL)2325Rios Juan Fernand...21090-122 ≣B90Ch Antioquia
219Gonzalez Diaz Jul...2216Herrera Irisberto...24870-122 ≣B23It (open)
25Horther Schneider...Liepert Luise1-022 ≣B90Ch Bayern (w)
373Perez Perez Manue...2000Roeder Mathias (GER)24320-122 ≣B90It (open)06 Jan 2008
290Steadman Michael ...2269Noble Mark Freder...22331-022 ≣B90Ch New Zealand (b)
1Rewitz Poul (DEN)2298Jensen Vagn (DEN)21560-122 ≣B90
289Eisen Lewis (USA)2242Shahade Gregory (...24520-122 ≣B90Tournament New Yo...
147Gross David (GER)2425Meissner Bernd-Gu...23491-022 ≣B90Bundesliga (2nd) ...
14Januschke Markus ...2196Kuess Mario (AUT)21061-022 ≣B90Staatsliga B Sout...
414Kosanski Stanko (...2338Santolini Luigi (...21970-122 ≣B90It (open)
333Lemiere Frederic ...2090Girard Jean-Pierr...18730-122 ≣B90Tournament
90Diaz Augusto (CUB)2248Groszpeter Attila...24800-122 ≣B90?
444Frilli Fabio (ITA)2086Marcinkiewicz0-122 ≣B90Olympiad (corr.)
292Broersen Sjors (NED)2101Vos Jan Pieter (NED)20991-022 ≣B90Ch Netherlands (j...
325Padeiro Jose (POR)2213Costa Joao Guerra...20821-022 ≣B90Ch Portugal (final)
316Anand Viswanathan...2505Schlierkamp Ferdi...21891-022 ≣B90It (open)
284Van Der Wiel John...2545Van De Plassche B...24270-122 ≣B90Ch Netherlands (t...
133Heymann-Lobzhanid...2085Rafiee Makan (GER)20531-022 ≣B90Memorial Karl Mal...29 Jul 2005
395Martin Benjamin (...2375Belin Igor (AUS)23351-022 ≣B90It (sheveningen)
241Vazquez Moreno Lu...1719Lozano Araguez Ri...1-022 ≣B90Memorial Francisc...
296Gafner Evgeny J (...2296Kuznetsov Viktor ...24271-022 ≣B90Ch YANAO16 Jan 2008
283Los Sander (NED)2355Pliester Leon (NED)23850-122 ≣B90Ch Netherlands (t...
67Czebe Attila (HUN)2455Vegh Endre (HUN)23401-022 ≣B90It (cat.8)
423Witz BRoss Anthony21200-122B50It (open)
84Samhouri A (JOR)2332Yueh Wei Po (TPE)19831-022 ≣B90Ch Asia21 Sep 2007
128Leino Jukka (FIN)2178Keskisarja Teemu ...22750-122 ≣B90Ch Finland (team)...
298Hacat Kevork (CAN)2114Ivanov Igor V (CAN)24331-022 ≣B90It (open)
44Gabrielsen Stig (...2243Stam Bart (NED)20751-022 ≣B90It (open)
408Beliavsky Alexand...2460Polugaevsky Lev A...26300-122 ≣B90?
433Matulovic Milan (...2394Djantar Djordje (...22401-022 ≣B90Ch Yugoslavia
299Tjensvoll Tore (NOR)1954Omtvedt Per (NOR)21381-022 ≣B90Ch Norway (open) (b)16 Apr 2006
424Grochulski Grzego...1914Prazmowski Wlodzi...17481-022 ≣B54Tournament (Elo) (c)21 May 2008
301Gonzalez Menendez...2396Montes Gutierrez ...21421-023 ≣B90It (open)25 Jul 2007
264Madaschi Sergio (...1636Barritt Jordan1-023 ≣B90Tournament (weekend)25 Mar 2006
211Goncharov Vladisl...2310Lukyanov Mikhail ...20440-123 ≣B90Cup Independence ...21 Aug 2004
232Djuric Stefan (SRB)2463Piccoli Vincenzo ...20091-023 ≣B90It (open)02 Nov 2007
260Del Pilar Reynald...2252Nakamura Hikaru (...26620-123 ≣B90It (open)18 May 2005
184Evans Larry M (USA)2470Mastichiadis Fotis1-023 ≣B90Olympiad
131JamiesonBezsilko Philippe...21911-023 ≣B90Tournament (juniors)
61Pogats Jozsef (HUN)2230Dely Peter (HUN)23910-123 ≣B90Memorial A.Alekhine
28Schulenburg Bernd...Bogner Sebastian ...0-123 ≣B90Verbandsliga Bade...07 May 2006
30Maahs Erich (GER)2071Ferstl Manfred (GER)19691-023 ≣B90It (open)
34Schmidt Waldemar ...2029Schuhmacher Josef1-023 ≣B90Verbandsliga Nort...
39Namay Caceres San...2117Perez Lopez Franc...1-023 ≣B90It (open)
43Jaworek Thomas2019Kern Johannes (GER)22800-123 ≣B90Bayern Regionalli...13 Feb 2005
48Palechor Cesar Au...1805Dominguez Oscar (...20650-123B90Ch Colombia (juni...15 Feb 2012
68Ginzburg Maximili...2275Celis Gustavo (ARG)22251-023 ≣B90Tournament (team)...
77Messa Roberto (ITA)2305Aleksic Nenad (MNE)20121-023 ≣B90It (open)
78Durao Joaquim (POR)2127Battaglini Gabrie...23050-123 ≣B90It (open)28 Feb 2004
82Abayasekera Roger...2208Shimasaki Taiju1-023 ≣B90Olympiad (student...
87Piat Jerome (FRA)2167Thomas Fabien (FRA)19881-023 ≣B90It (open)27 Oct 2009
94Hansen Gunnar Wes...2176Lysdahl Larsen K1-023 ≣B90It (open)
110Barendse Ted (NED)2205Lahaye Rick (NED)23300-123 ≣B90Ch Netherlands (o...
111Fernandez Marino ...2167Montes De Oca Ale...22331-023 ≣B90Cup Samanel
115Kindermann Stefan...2519Lau Ralf (GER)24601-023 ≣B90It (cat.9)
121Motyliov Anatoly ...2241Kaliberda Vladimi...23230-123 ≣B90It (cat.1)17 May 2008
122Savory Richard J ...2104Eckersley-Waites ...21141-023 ≣B53Ch England (team)...20 Mar 2004
123Nunn John D M (ENG)2580Gruenfeld Yehuda ...25151-023 ≣B90Memorial Kapusa (...
125Koefeler Christia...2037Fauland Peter (AUT)22291-023 ≣B90It (open) Karacsony
129Lyly Seppo (FIN)1937Niemela Tuomas0-123 ≣B90Ch Finland (team)...
135Schlander Sabine ...2021Werner Daniel (GER)21591-023 ≣B90Ch Germany (junio...
136Nagel Herbert (AUT)2107Freitag Manfred (...23800-123 ≣B90Staatsliga
137Kindermann Stefan...2519Postl Anton (AUT)22701-023 ≣B90Staatsliga
150Wallinger Manfred...2150Ploetz Werner Dr ...22500-123 ≣B90Bundesliga 1987/8...
152Hillen AchimStaresina Alan1-023 ≣B90Oberliga Mittelrh...
153Solomunovic Igor ...2345Wolf Richard21901-023 ≣B90Bayern Regionalli...
157Barthel Ansgar (GER)2235Auschkalnis Reinh...18781-023 ≣B90It (open)11 May 2007
162Kuijf Marinus (NED)2420Roschlau B1-023 ≣B20It (open)
164Doggers Peter (NED)2285Van Den Doel Erik...24400-123 ≣B90It (open)
166Ying VictoriaMurray Gisela (PUR)20481-023 ≣B90Ch World (juniors...
168Dalemans Diana (NED)1953Roelofs Iris16141-023 ≣B90Ch Netherlands (j...08 May 2011