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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
425Bugarija Zdravko ...2101Vidovic Ante (CRO)21581-015 ≣A01It (open)
308Bui T Mai Tram (VIE)Nguyen Thanh Ngoc...0-119 ≣A01Ch Vietnam (junio...
309Bui T Mai Tram (VIE)Trinh Thuy Minh (...1-019 ≣A01Ch Vietnam (junio...
295Bunzmann Dimitrij...2596Loos Roland (GER)21921-021 ≣A01It (open)
779Cabilin Jeff (AUS)1976Hansen Sune Berg ...25660-116 ≣A01It (open)28 Apr 2011
391Cabrera AgustinPerdomo Zoar (VEN)1-022 ≣A01It (open)
64Caels Vivianne (BEL)2017Muresan Margareta...22060-120 ≣A01?
765Caiazzo Diego (ITA)1887Schiappoli Dario ...19610-118 ≣A01It (open)19 Nov 2010
659Calcagno Stefano1861Rozzoni Davide (ITA)18521-020 ≣A01It (open) (b)24 Aug 2008
32CalderoniLeoncini Mario (ITA)21410-116 ≣A01It (open)
558Calugar Arthur (CAN)2254Kleinman Michael1-012 ≣A01Ch Canada (youth)...13 Jul 2006
573Calvert David Ian...2064Bass John (ENG)20951-021 ≣A01Ch England (team)...24 Sep 2006
585Calvert David Ian...2064Rudd Jack (ENG)23100-122 ≣A01It (open)28 Dec 2006
417Campos G Luis Mar...2449Vargas Mariano1-022 ≣A01It (open)
1Canal Esteban (PER)2270Siveri Armando0-117 ≣A01
103Capo Olga (CHI)2030Kunze Kerstin (GER)21360-121 ≣A01Ch World (juniors...
681Cappai Davide (ITA)2159Napoli Nicolo' (ITA)23680-119 ≣A01It (open)15 Feb 2009
189Caputo Juan (ARG)2280Sola Ruben (ARG)23381-022 ≣A01It \
813Carballido Mateo ...1500Orellana Iglesias...17870-113 ≣A01It (open)02 Dec 2011
530Cardenas Juan C (...2215Vega Mora Max (ECU)19240-115 ≣A01It \07 Jan 2006
355Carretero JJMadina Martin (ARG)22280-112 ≣A01It (open)
249Casares Cabanas C...2230Preve Alejandro0-122A01It (open)
250Casares Cabanas C...2230Villanueva Bruno0-120A01Tournament
26Casas Fernando (ARG)2360Metz Richard1-020 ≣A01It (open)
569Castejon Blanco C...1556Fernandez Rey Jor...18890-118 ≣A01Memorial Adolfo P...30 Aug 2006
33Castro Oscar H (COL)2410Herrera Gabriel (...22590-118 ≣A01Ch Colombia23 Mar 1977
853Catalfamo Santo (...1762Schiappoli Dario ...19330-118 ≣A01It (open)18 Oct 2012
794Cavadini Ignacio ...2076Pineiro Dario (ARG)21760-122 ≣A01Memorial Jose Rub...05 Aug 2011
805Cayon Laura Valen...Pena Gomez Maira ...1-019 ≣A01Tournament (team)...23 Sep 2011
539Cazzaniga Andrea1452Bettini Massimo (...18600-113 ≣A01Tournament (weekend)18 Mar 2006
586Cernik Lukas (CZE)2143Wunsch Jiri (CZE)21581-013 ≣A01Czech League 2006...
767Chasovnikova Euge...2248Cyriatova Anastas...20381-020 ≣A01Memorial E.Bykova...20 Dec 2010
714Chavarro David Ju...Varon Cristian G19740-113 ≣A01Ch Colombia (amat...15 Nov 2009
254Chaves Garce JussaraYoshida M1-022 ≣A01It (open) \
226Chaves Jussara (BRA)2095Van Riemsdijk Her...24250-120 ≣A01Memorial Charlier
706Chertischev Alexa...Ionov Yuri (RUS)0-17 ≣A01Ch Russia (for th...19 Sep 2009
700Chicco Giancarlo1493Fagnani Alessandr...18520-119A01It (open)26 Jul 2009
111Chine MABaldellou Vicente...19890-117 ≣A01It (open) (c)
332Choleva Zdenek (CZE)2256Stastny Jan (CZE)21840-120 ≣A01Ch Czech Republic...
201Choleva Zdenek (CZE)2198Meduna Eduard (CZE)24450-121 ≣A01Tournament (team)
357Choma Ernani Fran...2153Martinez Vinicius1-019 ≣A01Tournament (junio...
68Clark KSmith Walter0-113 ≣A01It (open)
509Cohn Irina (GER)2049Erenska-Barlo Han...22720-121 ≣A01Ch Europe (seniors)26 Jun 2005
799Compan Bastien1460Mills Simon14901-018 ≣A01Ch France (open) (d)23 Aug 2011
200Computer \Computer \0-122A01Ch World (computers)
153Computer \Computer \1-020 ≣A01Ch World (computers)
110Computer \Computer \0-119 ≣A01Ch World (computers)01 Jan 1991
129Conrad HMueller Achim (GER)19920-120 ≣A01It (open)
306Corker Kerry (AUS)2040Hopewell Nigel H ...22210-122 ≣A01Ch North Island
448Cornelis EricVan Mechelen Jan ...22480-122 ≣A01It (open)
781Corominas Vinas R...1211Montoro Balasch B...17990-121 ≣A01Tournament (open)...07 May 2011
763Corominas Vinas R...1211Vilasaro Ruiz Gerard0-115 ≣A01It (open) (b)13 Nov 2010
718Coste Roman (FRA)1922Buscara Sevan (FRA)22250-122 ≣A01It (open)
524Couronne Patrice ...1688Letang Jerome (FRA)19541-017 ≣A01Tournament (b)25 Oct 2005
450Couronne Patrice ...1688Epstein Raphael (...17601-021 ≣A01It (open)
627Couronne Patrice ...1828Vallepin Cedric (...21350-120 ≣A01It (open)29 Dec 2007
491Couronne Patrice ...1688Pantic David (FRA)19280-122 ≣A01It (open)
597Crosa Martin (URU)2391Coelho Tatiane Cr...17991-022 ≣A01It (open)28 Apr 2007
580Cruz Juan2073Capelo Paola (ECU)19121-015 ≣A01It \11 Nov 2006
478Csokay LukasSeidl David0-122A01Ch Austria (junio...
21Cvetkovic Srdjan ...2406Krnic Zdenko (SRB)23830-116 ≣A01?
137Dadic-Movre Vesna...Kerkez1-015A01corr.
307Daems JBoskemper D0-114 ≣A01It (open)
436Dagher Walid (LIB)2109Ghossen Mohamad (...1-07 ≣A01Ch Lebanon
87Dakar EAbou El Zein Eid ...23290-116 ≣A01Olympiad Arab states
465Dankesreiter Arne...2021Wortmann Lena (GER)15551-019 ≣A01It \21 Jun 2003
774De Abreu Sandro S...De Castro Edmar A...1-022 ≣A01Tournament (open)27 Feb 2011
470Dehl Michael (GER)2110Schimmer Michael ...20111-022 ≣A01Tournament22 Nov 2003
680De La Cruz Lopez ...1716Herms Agullo Jord...21410-118 ≣A01Tournament (amate...03 Feb 2009
321De La Fuente Aria...2105Reyero Miguelez R...17880-120 ≣A01Ch Asturia (team)...
738De La Paz Frank (...2473Ordunez Echarte D...22811-020 ≣A01Memorial J.Capabl...13 Jun 2010
344Del Moral Del Caz...1842Manas Molina Ange...19560-122 ≣A01Ch City (b)
234De Los Mozos Vall...Montoliu Daroca I...18080-119 ≣A01Ch Spain (w)
849Del Toro Gonzalez...1205Diaz Perera Aleja...12830-19 ≣A01Memorial Joseito ...01 Sep 2012
294Demeroutis PFournarakos Geras...20380-120 ≣A01It (open)
310Demeroutis PGesos Pavlos (GRE)23690-120A01It (open)
545De Mora David (ECU)1785Sanchez Cinthya (...17211-08 ≣A01It \01 Apr 2006
540De Mora David (ECU)1785Chang Suarez Romm...22150-120 ≣A01It \
551De Mora David (ECU)1785Serrano Diego (ECU)15861-013 ≣A01It \27 May 2006
531De Mora Flores Se...1844Landy Pamela (ECU)18010-119 ≣A01It \07 Jan 2006
282Denisov Andrey (RUS)2201Tenikashvili Geor...22600-122 ≣A01It \
195Deveux EdwinLuyckx Joris0-120 ≣A01It (open)
749De Vries Joel (NED)1838Oudshoorn Arres19740-122 ≣A01Ch Netherlands (o...12 Aug 2010
508Di-Michele Rocco ...2097Pizzuto Samuele T...22190-119 ≣A01Ch Italy (1/2 final)22 Jun 2005
663Di-Michele Rocco ...2096Carlsson Pontus (...25150-117 ≣A01Ch European Union09 Sep 2008
360Dittmar Peter (GER)2316Saenger Thomas1-020 ≣A01It (open)
761Djexembinov Serge...2137Akentjev Oleg (RUS)18340-113 ≣A01Ch Kuzbass29 Oct 2010
246Doan Huu DungNgo Thanh Tung0-120 ≣A01Ch Vietnam (team)
648Dobrowolski Marci...1971Kobus Sebastian (...20170-118 ≣A01It (open) (b)09 Jul 2008
510Docenko Feodosi J...2087Nametkin Viktor1-011 ≣A01Memorial Kurass26 Jun 2005
89Dominguez Sanz Ju...2215Fernandez Garcia ...24360-113 ≣A01It \
82Dominguez Sanz Ju...2215Sarmiento Santiago1-021 ≣A01It (open)
55Dooley Christopher2065Gruenfeld Yehuda ...24500-122 ≣A01It (open)
8Dotson JPloss H18751-022 ≣A01It (open)
828Dougherty Michael...2195Roberts Lynda (WLS)19601-021 ≣A01It (open)11 Mar 2012
206Dumont Andre (BEL)2068Laurent Bruno (BEL)23720-115 ≣A01It (open) \
603Dupy Lucas (FRA)1731Krier Daniel (FRA)18841-017 ≣A01It (open)
427DurthGuenther Thomas (...20900-118 ≣A01It (open) \24 Aug 2002
775Dzurkova DianaKoselova Zuzana (...17730-121A01Ch Slovakia (juni...01 Apr 2011
28Edwards Matthew (...2131Corden Martyn J (...23050-116 ≣A01It (open)