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Sicilian, Najdorf, 7...Be7 Main line 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0

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
57Erbacher PAaldijk A1-020 ≣B90World Tournament ...
260Fijlstra BobbyAarts Maikel1-023 ≣B90It (open) (juniors)
465Xiong Jeffrey (USA)1992Adelberg David (USA)22420-117 ≣B90US Chess League12 Oct 2011
235Zhnidershic Sanja...Adondakis Hristin...20150-117 ≣B40Ch Europe (junior...
83Gomez Polo Vicente2268Aguilar Juan (PER)23121-021 ≣B90Ch Malaga05 May 1982
217Ponnath Lorenz (GER)2093Ahmels Christian21251-024 ≣B90Ch Mittelfranken
27Radulov Ivan (BUL)2490Al Jasani22001-024 ≣B90Olympiad
140Medina Jose (ESP)2062Almagro S1-024 ≣B90It (open)
370Colls Bosch Emili...1994Alonso Rosell Alv...23430-122 ≣B90Ch Gironh18 Nov 2007
418Guijarro Galan Jo...2222Alonso Rosell Alv...24850-123 ≣B29It (open)29 Mar 2010
368Homiakova Ekateri...2106Altunkeser Gozde ...19151-020 ≣B90Ch Europe (junior...18 Sep 2007
414Santiago Yago De ...2252Alves De Medeiros...19961-024 ≣B90Memorial R.Fische...22 Jan 2010
115Pannullo UAmovilli Mauro (ITA)22500-119 ≣B90corr.
53Vitolins Alvis (LAT)2435Anetbaev Berik (KAZ)22801-018 ≣B90Ch Latvia
85Heinola Kari P (FIN)2181Anttila Pentti1-019 ≣B90corr.
66Garbarino Rodolfo...2339Arambel Pablo1-020 ≣B90Ch Argentina (jun...
405Stankovic Milos (...2306Arsovic Goran (SRB)24230-122 ≣B90It (open)20 Jul 2009
483Duran Sergio (CRC)2304Avila Pedro (COL)21451-018 ≣B90Cup Latinoamerica...07 Oct 2012
210Jens Jelmer (NED)2382Azadmanesh Moosa ...21431-018 ≣B90Ch Netherlands (j...
246Jens Jelmer (NED)2382Azadmanesh Moosa ...21501-015 ≣B90Ch Netherlands (j...
335Murawski Wieslaw ...2032Bachan Daniel (POL)21331-023 ≣B90It (open)13 Nov 2005
381Mardell Jimmy (SWE)2184Backmann Michael ...21201-020 ≣B90Tournament (Elo) (b)14 Jun 2008
412Farkas Gabor (SVK)2265Bakalar Jan (SVK)21201-021 ≣B28It (open)22 Nov 2009
136Timar Zsolt (HUN)2119Balboa Lopez Luis...16491-024 ≣B90World Tournament ...
23Fabbri Mario (ITA)2180Baldocchi I1-023 ≣B90corr.
129Contin Daniel (ITA)2312Ballent Jorge1-018 ≣B90It (open)
413Molina Gildardo (...2075Ballesteros Lopez...1-020 ≣B90It (open)08 Jan 2010
132Caturian VBangiev Alexander...24321-024 ≣B90Ch URS
309Auch Stefan (GER)2023Baramidze David (...25430-124 ≣B90It (juniors)
280Predojevic Borki ...2352Baramidze David (...23351-019 ≣B90Ch Europe (junior...
484Ortiz Isam (CUB)2493Barrientos Sergio...24541-022 ≣B90Cup Latinoamerica...07 Oct 2012
253Moscoso Sanchez F...2199Bastidas Rodrigue...22450-122 ≣B90It (open)
276Benderac Srdjan (...2351Batricevic Sasa (...22261-024 ≣B90Ch Montenegro (ca...
473Hernandez Gonzalo...2148Becerra Juan Davi...23180-121 ≣B90It \06 Apr 2012
164Brustman Agnieszk...2344Belamaric Tanja (...21031-022 ≣B90Ch Europe (team)
410Revunov MikhailBelous Mikhail0-124 ≣B90Ch Ukraine (junio...06 Oct 2009
306Ter Sahakyan Samv...2125Belous Vladimir (...21461-024 ≣B90Ch Europe (junior...
360Bakalarz Leszek (...2117Berens Thomas (GER)20261-023 ≣B90It \11 Jul 2007
214Computer \Birdhal Jeff1-021 ≣B90It (open) (blitz)
184Gillet Richard (FRA)2075Blevinal T20601-023 ≣B90It (open)
65Ayyar Rajan (USA)2250Blohm David (USA)21810-122 ≣B90It
177Vetter Gerhard (GER)Boehmer Kris (CAN)21741-024 ≣B90corr.
315Astengo Corrado (...2134Bonade Massimo (ITA)20931-021 ≣B90Tournament (weekend)16 Nov 2003
134CottoneBottari1-023 ≣B90Cup Silli (corr.)
332Prochazka Petr (CZE)2011Braun Marek (CZE)21291-021B90It (open)03 Aug 2005
478Jacko Vladimir (SVK)2064Bury Rastislav (SVK)20801-019 ≣B90Ch Slovakia (open)11 Jul 2012
440Janos Ivan (SVK)2163Bury Rastislav (SVK)21871-016 ≣B90Ch Slovakia (team...05 Dec 2010
125Kirchner MartinBusch1-017 ≣B90Ch DDR (corr.)
116Hohm K (GER)Busch Klaus (GER)19321-021 ≣B90?
45Van Dop Arend J (...2213Buyukgokcesu1-021 ≣B90Olympiad (student...
180Brustman Agnieszk...2344Byczynska Joanna ...20751-020 ≣B90Ch Poland (team)
182Holmgren PeterByden Karl-Erik1-022B90Ch Sweden (corr.)
476Anillo Fernandez ...1648Caballero Lobaton...14350-123 ≣B90Ch Andalucia (jun...14 Apr 2012
226Juan Ramon RodriguezCabello Fernandez...21100-120 ≣B90It (open)
389Orozco Luz Elena ...1990Calderon Karen Li...19501-024 ≣B90Sub-zt (w)30 Nov 2008
342Decoster Frederic...2168Campana M17751-021 ≣B90It (open)10 Jul 2006
348Naiditsch Arkadij...2676Campana M17911-024 ≣B90It (active) (open)30 Oct 2006
338Massoni Michael (...2055Campana Marc-Anto...17911-024B50It (open)
48Rodriguez Amador ...2441Camps R1-024 ≣B90It (b)
480Skripka Nikita1916Cannesar Rad17541-021 ≣B90Ch Europe (junior...23 Aug 2012
435Bargel Martin (CZE)2179Capak Stefan (SVK)20161-023 ≣B40It (open) \09 Oct 2010
96Calzolari Giampie...1843Carbone Lorenzo (...17591-018 ≣B90?
303Napoli Ferdinando...1740Cardani Roberto (...19500-121 ≣B90It (open)08 Jun 2002
352Frigieri Fabrizio...2088Cardani Roberto (...19031-024 ≣B90Memorial Crespi (...09 Dec 2006
416Basulto Riveron Eddy2022Cardevilla Mendoz...20921-020 ≣B90Tournament (provi...22 Feb 2010
232Tsuboi Edson Kenj...2345Carricondo Pedro C0-123 ≣B90It (open) \
443Barrientos Sergio...2507Carvajal Jorge Iv...20691-022 ≣B90It (open)07 Jan 2011
38Dieta CarlosCarvalho Joao1-021 ≣B90corr.
320Ragnoni Alessandr...2086Casale Antonio18441-021 ≣B90It (open)09 Jul 2004
364Gavilan Diaz Mari...2281Casanellas Ruano ...21260-121 ≣B90It (open)12 Aug 2007
455Kratochvil Josef ...2233Cenek Miroslav (CZE)19001-023 ≣B90It (open)16 Jun 2011
453Poetsch Hagen (GER)2401Chandler Patrick ...21711-019 ≣B90Ch City (open)16 May 2011
366Andrzejewska Edyt...2214Chlost Marlena (POL)21480-124 ≣B90Ch Poland (team) ...03 Sep 2007
345Havluj Zdenek (CZE)2043Chloupek Jaroslav...18391-024 ≣B90It (open)03 Aug 2006
78Arias Rodriguez S...2194Cigales Jirout Ju...20111-024 ≣B90Ch Asturias (team)
25Oechslein Rainer ...2259Colditz Albrecht1-022B90Tournament
195Computer \Computer \1-024 ≣B90Tournament (compu...
207Computer \Computer \1-022 ≣B90Ch World (computers)
296Computer \Computer \0-124 ≣B90Tournament (compu...
50Dal FiumeCrudele Michele (...20081-022 ≣B90corr.
353Damjanovic Lazar ...2119Cvetkovic Nemanja...22461-020 ≣B90It (open)30 Jan 2007
245Pallova Martina (...2199Cvikl Michal (CZE)20231-016 ≣B90It (open)
152Blasiak Miroslaw ...1889Cygan T1-017 ≣B90It (open)
347Lukasiewicz Anna ...2140Czuchnicki Adam (...21351-024 ≣B53It (open) (b)29 Aug 2006
388Wang Hao (CHN)2696Dao Thien Hai (VIE)25100-120 ≣B90Olympiad21 Nov 2008
30Badenes AnselmoDa Silva SC1-017 ≣B90corr.
197Wirschell Taco (NED)2320De Boer Gert-Jan ...24250-123 ≣B90Memorial J.Donner...
475Hans Lysander (BEL)1776De Herdt Yasseen ...20111-023 ≣B53Ch Belgium (junio...11 Apr 2012
28Rantanen Yrjo A (...2400Denman Brian (SCO)22301-020 ≣B90Olympiad
178Oosterhoff JDe Ruiter Tom (NED)21180-124 ≣B90corr.
450Gunasinghe W A T ...1869De Silva Shelani ...15781-022 ≣B90It (open)24 Apr 2011
411Tsomis Dimitrios ...2214Detsikas Dimitrios18441-017B90It (open) \
304Dischinger JoseDi Berardino Dieg...23411-023 ≣B90It (open)
463Sviridova Olga (RUS)1903Dikov Alexander I...18511-017 ≣B90Memorial Korensky26 Aug 2011
87Booij Johan (NED)2198Dissel Henk (NED)19781-022 ≣B90Ch Netherlands (t...
165Bikady Claude (BEL)1974Djuric D1-016 ≣B90It (open)
328Rmus Anto (MNE)2359Djuric Goran1-023 ≣B90It (open)04 Dec 2004
456Fonseca Carlos Ar...2059Dominguez Ramiro ...21881-024 ≣B90Ch Colombia (1/2 ...26 Jun 2011
421De Oliveira Israe...Dos Santos Renato...0-118 ≣B90Tournament (open)23 Apr 2010
104Szymczyk Edwin (POL)Drott H0-121 ≣B90Match \