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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
784Avella Rosas Luis...1989Paez Sussi Brigitte1-019 ≣A01It (open)18 Jun 2011
785Munoz Gonzalez Ma...1541Fernandez Munoz J...1-012 ≣A01It (open)30 Jun 2011
786Seraphim Mateus F...Penteado Lucas0-117A01Tournament (open)01 Jul 2011
787Luchaninov RomanMalyi Ivan0-118 ≣A01It (open)14 Jul 2011
788Horvath Reka (HUN)2023Danilenko Dmitriy...23990-117 ≣A01It (open)21 Jul 2011
789Bauer Matthias1579Meissner Peter17600-120A01It (open) (b)25 Jul 2011
790Jacobsen Per Wurt...2043Brondum Eric (DEN)21400-114 ≣A01It (open) \30 Jul 2011
792Zielinski Wojciec...2116Wodzynski Mieszko...17921-022 ≣A01It (open)04 Aug 2011
791Nakamura Hikaru (...2753Perkovich Kyle A1-019 ≣A01It \04 Aug 2011
794Cavadini Ignacio ...2076Pineiro Dario (ARG)21760-122 ≣A01Memorial Jose Rub...05 Aug 2011
793Palomeque OtonielOssa Ramirez Jesu...17911-06 ≣A01It (open) \05 Aug 2011
795Van Indie Frank (...1900Mostertman Johan ...18071-018 ≣A01Cup Atlantic (open)12 Aug 2011
796Bosschieter PeterVan Vooren Gert18920-117A01It (open)15 Aug 2011
797Manukian Garuch (...2292Haessel Dale R (CAN)22111-022 ≣A01It \21 Aug 2011
798Abergel Thal (FRA)2504Apicella Manuel (...25400-121 ≣A01Ch France (b)23 Aug 2011
799Compan Bastien1460Mills Simon14901-018 ≣A01Ch France (open) (d)23 Aug 2011
800Steiner Martin (ITA)1781Wadsack Thomas1-019 ≣A01Tournament (open)01 Sep 2011
801Bento RudolfoAlho Diogo (POR)0-116A01Ch Portugal (qual)03 Sep 2011
802Mejia Donaldo1770Hernandez Gadea L...0-114A01Ch Nicaragua (open)04 Sep 2011
803Mokhorev Sergei2079Abramov Alexander...22460-120 ≣A01Cup Governor's (o...05 Sep 2011
804Ivaneic Dario1696Resman Branko (CRO)20600-119 ≣A01Tournament (Elo)17 Sep 2011
805Cayon Laura Valen...Pena Gomez Maira ...1-019 ≣A01Tournament (team)...23 Sep 2011
806Koziol Pawel (POL)1809Kurowski Andrzej18441-021 ≣A01Tournament (Elo) \27 Sep 2011
807Paiva Pedro Henri...2264Filho Joaquim D21051-021 ≣A01Tournament (open)12 Oct 2011
808Ortega Ruiz Jose ...2266Alvarez Escudero ...18741-021 ≣A01Memorial Oliver G...13 Oct 2011
810Jovancev Orce (SRB)1737Markovic Marko (SRB)22850-111 ≣A01It (open)24 Oct 2011
809Sedlak Jaroslav (...1658Mickiewicz Piotr ...23860-118 ≣A01It (open)24 Oct 2011
811Papageorgiou Ioan...1672Hondrovasilopoulo...15221-021 ≣A01Tournament (open)28 Oct 2011
812Kleman Miroslav (...2212Mazur Stefan (SVK)23750-113 ≣A01Ch Slovakia (team...12 Nov 2011
813Carballido Mateo ...1500Orellana Iglesias...17870-113 ≣A01It (open)02 Dec 2011
814Avella Rosas Luis...1985Zapata Campos Kar...21470-120 ≣A01It (open)06 Dec 2011
815Esquivel Luis (PAN)2132Gomez Boada Alfredo1-014 ≣A01It (open)06 Dec 2011
816Garcia Juan (CRC)2032Moreno Londono Ja...18890-117 ≣A01It (open)07 Dec 2011
822Luaces Rubio Alfr...2020Roelvaag Mikael (...22011-021 ≣A01It (open)05 Jan 2012
823Georgiou Andreas ...1745Constantinou Pavl...20860-120 ≣A01Ch Cyprus08 Jan 2012
824Mavroudis Dionisi...1644Kontopanagos Ioannis10101-021 ≣A01Tournament (open)14 Jan 2012
825Briggs Andrew JOthman Mustapha18820-121A01It \16 Feb 2012
826Zeleny Tomas (CZE)2146Skala Jaromir (CZE)20161-021 ≣A01Czech League 2011...19 Feb 2012
827Kirmeir Andreas1819Fellhauer Clemens...21010-118 ≣A01It \21 Feb 2012
828Dougherty Michael...2195Roberts Lynda (WLS)19601-021 ≣A01It (open)11 Mar 2012
829Batabaev MSapar E0-121 ≣A01Ch Kyrgyzstan04 Apr 2012
830Yujra Chavez Vict...Rodriguez Tinco P...17320-114A01Tournament (open)05 Apr 2012
831Guedes Lopez Mario1476Garcia Almeida Ai...1-020A01Memorial Pedro Le...06 Apr 2012
832Wlogalski Olivier...1926Song Julien (FRA)23330-122 ≣A01It (open)27 Apr 2012
833Gramaglia GonzaloBoccia Nicolas1-020 ≣A01Tournament (open)28 Apr 2012
834Nsubuga R (UGA)2026Namaganda Christine20221-021 ≣A01Tournament (qual-...29 Apr 2012
835Tokareva AnastasiaArda Cagil Irmak15841-018 ≣A01Ch World (schools...01 May 2012
836Tanasa Paul-IulianOrga Felix-Cosmin1-019 ≣A01Ch World (schools...05 May 2012
837Zanon Magnus (AUT)1834Wilke Werner (AUT)21940-121 ≣A01It \10 May 2012
838Petakov Uros (SRB)2350Popovic Aleksanda...23181-021 ≣A01Cup Serbia (team)18 May 2012
839Hansen Anders (SWE)1714Andersson Thorbjo...20260-119 ≣A01It (open)19 May 2012
840Maksimovic Branim...2457Petkov Vladimir (...25090-121 ≣A01It (cat.9)29 May 2012
841Moens Patrick (BEL)2000Klundt Klaus (GER)23580-122 ≣A01It \14 Jul 2012
842Soste Victor (COL)2030Reyes Riscanevo17731-010 ≣A01Tournament (open)20 Jul 2012
843Kelly Ladislau En...2239Uta Adeline-Ramon...20511-019 ≣A01It (open)27 Jul 2012
845Iglesias Leon Fra...2269Alvarez Ibarra Ra...23691-022 ≣A01Ch Spain (team) (...09 Aug 2012
846Leon Acosta Miguel1985Villasenor Rubio ...21760-119 ≣A01Tournament (Elo) (a)10 Aug 2012
847Leon Acosta Miguel1985Rioboo De La Riva...22360-118 ≣A01Tournament (Elo) (a)11 Aug 2012
848Van Houten Henk (...Schwagrowski Bern...1-020 ≣A01Ch Germany (seniors)14 Aug 2012
849Del Toro Gonzalez...1205Diaz Perera Aleja...12830-19 ≣A01Memorial Joseito ...01 Sep 2012
850Reichel Guenther ...1730Heimrath Reiner (...22060-119 ≣A01It (open) \06 Sep 2012
853Catalfamo Santo (...1762Schiappoli Dario ...19330-118 ≣A01It (open)18 Oct 2012
203Henschel Friedric...1973Schimpf Markus (GER)23180-115 ≣A01It (open)
202Van Wely Loek (NED)2585Spronk Hans10281-012A01It (open)
59Wolf Heinrich (AUT)Hardicsay Peter (...22661-019 ≣A01It (open)
200Computer \Computer \0-122A01Ch World (computers)
199Smokvina Korbar R...Radocaj Radmila (...21150-116 ≣A01Ch Croatia (team)...
58Kloppenburg MartijnDekker Kees (NED)21881-017 ≣A01corr.
14Gavey HL2200Van Dijk Bram (NED)21080-122 ≣A01Olympiad
262Fernandez Ponce L...1966Carlos Gonzalez F...0-112 ≣A01Ch Asturias (team...
198Hermann ThomasNebel Jens (GER)21441-014 ≣A01VK4 1995/96
57Kloppenburg MartijnDekker Kees (NED)21881-017 ≣A01corr.
197Ruth Walter (GER)2009Holoubkova Martin...22680-119 ≣A01It (open)
196Holzschuh Peter (...1999Roetteler Martin ...22540-115 ≣A01Ch Mainz
55Dooley Christopher2065Gruenfeld Yehuda ...24500-122 ≣A01It (open)
5Larsen Bent (DEN)2415Portisch Lajos (HUN)25230-122 ≣A01Olympiad
195Deveux EdwinLuyckx Joris0-120 ≣A01It (open)
194Solakian-Van Eyll...2225Dunnington Angus ...23850-116 ≣A01It (open)
54UngerRunttula0-122 ≣A01corr.
191Naszadi FerencForgacs Antal0-122 ≣A01It (open)
190Ferrigno Jean-Pie...2117Strausz Janos (FRA)21501-017 ≣A01It (open) (b)
53Lempiainen MarkkuPaavilainen Tuomas0-122 ≣A01?
189Caputo Juan (ARG)2280Sola Ruben (ARG)23381-022 ≣A01It \
188Nestorovic Vladim...2300Kozul Zdenko (CRO)25800-117 ≣A01It (open)
187Rincon Carrillo R...1956Melgosa Marcio (COL)22380-121 ≣A01Ch Colombia (1/2 ...
186Wolf Rainer (GER)2060Herz Thomas (GER)20930-122 ≣A01Ch Oberschwaben
52HaesslerKearns Jerry (USA)22751-019 ≣A01Ch USA (corr.)
51HaesslerEndsley Barry E1-018 ≣A01Ch USA (corr.)
116Van Der Beek JoseEkenlov Lars0-118 ≣A01World Tournament ...
185Wiegmann CVon Heusinger Georg40-121 ≣A01Ch NRW (juniors) ...
183Hagenauer WilhelmDamm Reiner (GER)20440-121 ≣A01It (open) (b)
50Bini Lorenzo (ITA)1933Gallo Enrico (ITA)20661-018 ≣A01It (open)
182Lopez Fernando (COL)2250Gonzalez Perez Lu...20991-016 ≣A01It (open) (b)
181Bodin Stefan (SWE)1908Bellon Lopez Juan...24600-116 ≣A01Cup Rilton
49RichterKeller1-016 ≣A01corr.
361Hug SilkeHacker Johann0-119 ≣A01Ch Baden (juniors...
177MaupointFerrand1-016 ≣A01It (open)
176Lee Cecil (TRI)1954Dobrishman Liat (...0-110 ≣A01It (active)
48Knebel Willi (GER)2078Auerswald K0-120 ≣A01corr.
175Wunder Horst (GER)2115Appel Helmut (GER)22120-119 ≣A01Ch Bayern (2)