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Larsen's Opening 1.b3

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
615Marshool MohammedAbdulaziz Ali0-121 ≣A01Ch Asia (juniors)...23 Aug 2007
290Suez-Panama Gille...2072Abergel Thal (FRA)21650-122 ≣A01It (open)
87Dakar EAbou El Zein Eid ...23290-116 ≣A01Olympiad Arab states
803Mokhorev Sergei2079Abramov Alexander...22460-120 ≣A01Cup Governor's (o...05 Sep 2011
97Soste Victor (COL)2030Acosta Alejandro ...22150-122 ≣A01It (open)
322Gil Fatas EnriqueAdla Diego (ARG)24700-120 ≣A01It (open)
47Sibilio Mario (ITA)2364Ady Jonathan J (HKG)23580-115 ≣A01It (open) \
437Garcia Joana (BRA)Agnello Silvana (...20000-120 ≣A01Ch Pan-American (...
678Zalisnak Jacobo (...2096Agnello Silvana (...20171-021 ≣A01Tournament (open)23 Jan 2009
541Yanqui Francisco ...1863Aguilar Yosimar1-015 ≣A01It \
761Djexembinov Serge...2137Akentjev Oleg (RUS)18340-113 ≣A01Ch Kuzbass29 Oct 2010
733Khaziev Anvar (RUS)2014Akhmetova Karina ...19650-120 ≣A01Memorial Dautov (...05 Apr 2010
293Hector FernandezAlberto Andres Go...0-113 ≣A01Ch Asturias (juni...
462Al-Modiahki Moham...2577Alexandrov Valery...21841-022 ≣A01Simultan23 Apr 2003
30Antonopoulos Soti...Alexopoulos Georg...22490-116 ≣A01Ch Greece (juniors)
801Bento RudolfoAlho Diogo (POR)0-116A01Ch Portugal (qual)03 Sep 2011
328Khamaiseh Seba A ...Al-Rufei Eman H (...20310-122 ≣A01Arab Chess Festiv...
808Ortega Ruiz Jose ...2266Alvarez Escudero ...18741-021 ≣A01Memorial Oliver G...13 Oct 2011
406Fernandez Sierra ...Alvarez Fernandez...17170-112 ≣A01It (open)
845Iglesias Leon Fra...2269Alvarez Ibarra Ra...23691-022 ≣A01Ch Spain (team) (...09 Aug 2012
384Perrichon Jim (FRA)2119Amarger Vincent (...20681-015 ≣A01It (open) (a)
662Bajarani Ulvi (AZE)2232Amin Bassem (EGY)25600-122 ≣A01It \08 Sep 2008
664Mikhalev Vladimir...2154Amursakov Vasily1-019 ≣A01Cup Ugra (open) (b)20 Oct 2008
839Hansen Anders (SWE)1714Andersson Thorbjo...20260-119 ≣A01It (open)19 May 2012
529Salvador Eduardo ...1832Andino Gabriela (...0-117 ≣A01It \06 Jan 2006
23Serrano Waldo (USA)2325Andres Miguel (CUB)23830-117 ≣A01It (b)
782Lopez Paniego Noe...1993Antoli Royo Joaqu...24100-17 ≣A01Ch Spain (univers...09 May 2011
255Kurniawan Bobby (...2410Antonio Rogelio J...25250-122 ≣A01It (sheveningen) ...
440San Emeterio Caba...2401Anton Veiga Juan ...21651-018 ≣A01Ch Spain (open)
798Abergel Thal (FRA)2504Apicella Manuel (...25400-121 ≣A01Ch France (b)23 Aug 2011
175Wunder Horst (GER)2115Appel Helmut (GER)22120-119 ≣A01Ch Bayern (2)
444Zannier Ludovic (...Aranda Guillaume ...0-119 ≣A01Ch France (open) (a)
403Tavares Perez Jos...1846Arceo De La Fuent...1-018 ≣A01It (open)
835Tokareva AnastasiaArda Cagil Irmak15841-018 ≣A01Ch World (schools...01 May 2012
270Sima Marian (ROM)2289Ardeleanu Alin (ROM)24000-115 ≣A01It (open) (a)
72Haessler Carl (USA)2194Arganian David (USA)20881-021 ≣A01It \
620Pg Mohd Omar Ak H...2316Armstrong Malcolm...21181-017 ≣A01It (open)09 Sep 2007
340Gonzalez Sanz JosepAsensio Linan Teo...21750-122 ≣A01It (open)
684Angalone Ruggero ...1624Astengo Corrado (...21590-113 ≣A01Memorial Palladin...11 Apr 2009
415Ringuet Cyril (FRA)2063Attar Rachid (FRA)16341-012 ≣A01It (open)
48Knebel Willi (GER)2078Auerswald K0-120 ≣A01corr.
616Marshool MohammedAu Marcus Timothy...0-112A01Ch Asia (juniors)...24 Aug 2007
335Steinhart Karl-He...2168Auschkalnis Reinh...18021-019A01It (open)
674Gofshtein Zvulon ...2546Avrukh Boris (ISR)26570-120 ≣A01Ch Israel (team)12 Dec 2008
111Chine MABaldellou Vicente...19890-117 ≣A01It (open) (c)
469Hille Ingo (GER)2197Balduan Markus (GER)23330-122A01Oberliga NRW 2003/0409 Nov 2003
651Fersadou Kevin (FRA)1598Balducchi Francoi...17700-122 ≣A01Tournament (open)28 Jul 2008
818Pashkin Viktor (RUS)Balyakisheva Anas...1-020 ≣A01Memorial P.Dubini...
380Kourbanhoussen Id...Baptiste David0-16A01It (open)
258Iljin Artem (RUS)2536Baramidze David (...25910-117 ≣A01Ch Europe (junior...
73Welling Gerard (NED)2322Barbero Gerardo F...25050-117 ≣A01It (open)
647Giordano Massimil...1891Baroncelli Luca15101-020 ≣A01It (open)05 Jul 2008
454Janaszak Dawid (POL)2266Bartkowiak Damian...21421-022 ≣A01It (open)
654Shanava Timur (RUS)2000Bartsits Sabina1-019 ≣A01It (open) (b)09 Aug 2008
573Calvert David Ian...2064Bass John (ENG)20951-021 ≣A01Ch England (team)...24 Sep 2006
136Schuetzhold Frank...1915Bauer Manfred (GER)21281-022 ≣A01It (open)
78Haessler Carl (USA)2194Bauza Mercere Edu...1-018 ≣A01It (open)
3Tomas RicardoBazan Osvaldo (ARG)22600-117 ≣A01Tournament
623Kostrun Slaven (CRO)2233Bazant Jurica (CRO)21261-017 ≣A01Ch Croatia (team)...30 Sep 2007
671Blatny Pavel (CZE)2416Bazant Petr (CZE)23080-16 ≣A01Czech League 2008...29 Nov 2008
100McSherry JBeckett Roger22051-019 ≣A01corr.
283Martinkova Monika...1817Bekker-Jensen Ann...20700-114 ≣A01Ch Europe (junior...
501Jimenez Romero J2095Belezky Sasha (UKR)23640-122 ≣A01Tournament (Elo)03 Apr 2005
181Bodin Stefan (SWE)1908Bellon Lopez Juan...24600-116 ≣A01Cup Rilton
655Frolov Sergey (RUS)2335Belskiy Artem (RUS)16120-18 ≣A01It (open) (b)15 Aug 2008
277Welling Gerard (NED)2350Benjamin Joel (USA)25950-114 ≣A01It (open)
9Bellon Lopez Juan...2325Benko Pal C (USA)25250-121 ≣A01It
488Kaledina Ekaterin...Berestneva Ekater...0-117A01Ch Central Region...08 Nov 2004
543Schwick LironBerkes Alexander0-122A01Ch Hessen (junior...
502Thoma PhilBerry James E (USA)21651-016 ≣A01It (open)16 Apr 2005
292Mravik Katalin (HUN)1605Berta Krisztian (...21880-119 ≣A01It (sheveningen)
744Szuper Paul (USA)2196Betlej Jan18341-017 ≣A01Tournament (open)22 Jul 2010
539Cazzaniga Andrea1452Bettini Massimo (...18600-113 ≣A01Tournament (weekend)18 Mar 2006
298Menkowski Patrick1622Beyer Jens14470-119 ≣A01Ch NRW (juniors) ...
669Jarulin Rufat (RUS)2044Bik-Mukhamedov Mi...18931-022 ≣A01Tournament (Elo)15 Nov 2008
492Jarulin Rufat (RUS)2085Bik-Mukhamedov Mi...18481-015 ≣A01Ch City
518Plavcak KlaudijBlagojevic Vlado1-022 ≣A01Tournament (open)...04 Sep 2005
581Leskovar Mario (ARG)2373Blahacek Evzen (CZE)21161-013 ≣A01It (open)13 Nov 2006
81Fernandez Aguado ...2362Blanco Sanjuan Jo...21190-121 ≣A01It (open)
379Gosciniak Tomasz ...1942Blandzi Daniel (POL)21351-021 ≣A01Ch Poland (team) ...
363Mendez Rocha Anto...1731Blasco Benito Ricard1-09 ≣A01It (open) (b)
157Garcia Orenes JRBlasco Frasquet R...20481-021 ≣A01It (open) \
833Gramaglia GonzaloBoccia Nicolas1-020 ≣A01Tournament (open)28 Apr 2012
707Van Houten Henk (...1804Boettcher Ulrich ...20400-122 ≣A01Ch Schleswig Hols...26 Sep 2009
451Villaret Valerie ...Bonnuit Sylvain (...17510-122 ≣A01It (open)
600Iacchetti Giovann...1899Bonugli Carlo (ITA)20630-119A01Ch European Union24 Jun 2007
579Salmoiraghi Angel...2035Borin Fabio (ITA)21470-116 ≣A01It (festival) \11 Nov 2006
420Petrovic Nejc (SLO)1955Borisek Jure (SLO)24160-117 ≣A01Ch Slovenia (juni...
606Voigt Ingo (GER)2061Bornschein B (GER)20690-120 ≣A01It (open) \21 Jul 2007
148Emodi Gyula (HUN)2254Borsavolgyi Tamas...22411-020 ≣A01It
307Daems JBoskemper D0-114 ≣A01It (open)
652Mankirov Vladimir...1650Bovganov Alexander1-09 ≣A01Tournament \
725Kobold Andrej1733Brank Bine (SLO)18731-016 ≣A01It (open) (b)01 Feb 2010
673Paschall William ...2351Bromberger Stefan...25040-117 ≣A01It (cat.8)12 Dec 2008
790Jacobsen Per Wurt...2043Brondum Eric (DEN)21400-114 ≣A01It (open) \30 Jul 2011
36Schimron HBrull G1-022 ≣A01corr.
698Ask Josef (SWE)2191Brynell Stellan (...24710-119 ≣A01It (open) \19 Jul 2009
167Jahnke Andreas (GER)2044Buchmann Nico1-021 ≣A01Ch JBLN East 1993/94
497Aufmwasser Guente...1889Buchner Matthias ...17641-014A01It (open) (seniors)04 Mar 2005
66Johansen Darryl K...2440Budde Vladimir (GER)23450-16 ≣A01It (cat.7)