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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
526Korchnoi Viktor (...2620Manik Mikulas (SVK)24741-012 ≣A01Ch Europe (active)17 Dec 2005
372Korhonen Pasi (FIN)2102Vaher Andres (EST)21931-020 ≣A01Match \
628Kornyukhin Stepan...1855Titov Sergo (RUS)18550-121 ≣A01Tournament (Elo) (d)03 Jan 2008
619Korytina Natalia ...2003Mukhamadeev Dmitr...18061-018 ≣A01Cup Cheliabinsk C...07 Sep 2007
726Koshelev Vladimir...1916Mikhailov Artem1-019A01Ch City (1/2 final)10 Feb 2010
727Koshelev Vladimir...1916Fomin Sergey (RUS)21430-121 ≣A01Ch City (1/2 final)13 Feb 2010
428Kosten Anthony C ...2545Giboulot Philippe1-020A01Simultan08 Nov 2002
623Kostrun Slaven (CRO)2233Bazant Jurica (CRO)21261-017 ≣A01Ch Croatia (team)...30 Sep 2007
380Kourbanhoussen Id...Baptiste David0-16A01It (open)
806Koziol Pawel (POL)1809Kurowski Andrzej18441-021 ≣A01Tournament (Elo) \27 Sep 2011
381Kraai Jesse (USA)2442Kobernat Alan (USA)21121-015 ≣A01It \
256Kral VStudnicka Tomas (...23590-120 ≣A01Ch Czech Federati...
471Kraus Oliver (GER)2077Valenzuela Hernan...1-013A01It (open)
665Kristensen Steffen M1256Krull Carl (DEN)17340-115 ≣A01Tournament (open) \28 Oct 2008
667Kristensen Steffen M1164Nielsen Jorgen H15910-114 ≣A01Tournament (open) \11 Nov 2008
248Krumpak Hinko (SLO)2090Kaspret Guido (AUT)23200-122 ≣A01It (open)
771Ksenofontov NikolaiPovolotsky Evgeny...20280-113 ≣A01Memorial Postoval...06 Jan 2011
741Kubicki Mateusz (...1623Mucha Piotr (POL)17080-118 ≣A01Ch Poland (team) ...11 Jul 2010
315Kuhnke Rainer1853Schmidt Gerhard (...20780-115 ≣A01It (open) (b)
719Kulas Mariusz (POL)1450Olszewski Pawel (...19030-122 ≣A01Tournament (open)
582Kulkarni Ketaki (...2031Priya P (IND)21280-119 ≣A01Ch Asia (juniors)...14 Nov 2006
723Kunac Ljubo (SRB)2190Pavlovic Dragan (...23160-119 ≣A01It (open)03 Jan 2010
724Kunac Ljubo (SRB)2190Masirevic Mirolju...20270-110 ≣A01It (open)04 Jan 2010
124Kunsztowicz Uwe (...2234Peters Carsten (GER)23101-020 ≣A01Ch Hamburg
255Kurniawan Bobby (...2410Antonio Rogelio J...25250-122 ≣A01It (sheveningen) ...
519Kurth Michael (GER)2167Salenko Vadim (UKR)20051-020 ≣A01It (open)06 Oct 2005
235Kurzawa DirkMainka Romuald (GER)25200-112 ≣A01It (open)
18Kuznik JRavlic L0-122 ≣A01corr.
376Ladzpa GelHeide Ken0-112 ≣A01Tournament (IECG)
704Lainburg Victor (...2149Schippan Bernd (GER)23381-020 ≣A01Ch Germany (senio...12 Sep 2009
243Laksman NissimWikstrom Joel (SWE)21941-020 ≣A01Ch Sweden (cadets)
4Larsen Bent (DEN)2415Spassky Boris V (...25480-117 ≣A01Match \
12Larsen Bent (DEN)2625Dominguez Sanz Ju...22151-022 ≣A01It (cat.8)
16Larsen Bent (DEN)2620Eley Brian (ENG)23501-021 ≣A01It
5Larsen Bent (DEN)2415Portisch Lajos (HUN)25230-122 ≣A01Olympiad
252Laschat Stefan1760Hermanowski Mark ...20400-115 ≣A01VK3 1997/98
418Lashkov Vladimir ...1892Rogov A (RUS)0-116 ≣A01Ch Moscow Region
429Laszlo Janos (HUN)2274Papista Akos (HUN)21591-022 ≣A01Ch Hungary (team)...24 Nov 2002
19Lavery WMadjaric K0-18 ≣A01Ch Australia (res...
31Lazzarato Alberto...2109Klauner Thei22000-119 ≣A01Ch Europe (juniors)
176Lee Cecil (TRI)1954Dobrishman Liat (...0-110 ≣A01It (active)
114Legeny PavolFraas Martin (SVK)22501-020 ≣A01It (open) \
210Le Hetet Nicolas ...2138Gitzinger Gregory...22081-020 ≣A01Ch France (team) ...
106Lehtinen Heikki (...2401Viinanen V-P1-021 ≣A01Ch Finland (juniors)
166Leibing Ingo1895Heubusch Michael ...21560-120 ≣A01Bayern Oberliga
639Leibing Kai-Ingo1858Margraf Matthias ...17410-115 ≣A01Ch Mittelfranken ...27 Apr 2008
535Leibowitz RussellLamdan Jonathan1-014 ≣A01Ch USA (amateur) ...18 Feb 2006
353Lelong Eric (FRA)1966Henry Tony (FRA)20281-018 ≣A01It
53Lempiainen MarkkuPaavilainen Tuomas0-122 ≣A01?
847Leon Acosta Miguel1985Rioboo De La Riva...22360-118 ≣A01Tournament (Elo) (a)11 Aug 2012
846Leon Acosta Miguel1985Villasenor Rubio ...21760-119 ≣A01Tournament (Elo) (a)10 Aug 2012
506Leon Calderon Jon...2029Eckel Carlos Guil...1-020 ≣A01Ch Pan-American (...11 Jun 2005
445Le Perf Henri (FRA)1693Lemerle Alban (FRA)20261-020 ≣A01Ch France (team) ...
581Leskovar Mario (ARG)2373Blahacek Evzen (CZE)21161-013 ≣A01It (open)13 Nov 2006
576Leskovar Mario (ARG)2373Guennoun Anthony ...21220-122 ≣A01It (open)27 Oct 2006
439Lida Garcia Ferna...2093Shulman Yuri (USA)25490-116 ≣A01Ch Pan-American C...
466Lingnau Diethardt...1893Joppien Arne (GER)20810-121 ≣A01It (open)27 Jul 2003
374Lipcak Norbert (SVK)2136Halmi Bence (HUN)20371-016 ≣A01It \
219Litus Vladimir (UKR)2340Mitenkov Alexey (...24701-016 ≣A01It (cat.3)
512Liu Xiao-You1887Schmitz Christian16691-022 ≣A01It (open) (b)09 Jul 2005
369Liu Xiao-YouToel Karl-Ludwig ...21800-122 ≣A01It
17Ljubojevic Ljubom...2565Kavalek Lubomir (...25650-122 ≣A01It
397Llado Llompart Se...1763Juan Mas Santiago...21100-122 ≣A01It (open)
544Loebig Timo1584Rudolph Lukas14040-122 ≣A01Ch Hessen (junior...
354Loerincz Andreas ...2016Denk Isabel1-018 ≣A01Ch BEM (juniors) ...
690Lokander Martin (...1901Oelund Joar0-122 ≣A01Ch Sweden (juniors)19 Jun 2009
422Lomakina Galja (RUS)2253Mokhova Kristina ...21241-018 ≣A01Memorial L.Rudenk...
182Lopez Fernando (COL)2250Gonzalez Perez Lu...20991-016 ≣A01It (open) (b)
487Lopez Nocera Vene...1940Dolezal Cristian ...24100-122 ≣A01It (open)04 Nov 2004
205Lopez Pando Franc...Saccona Silvano (...21780-116 ≣A01Ch Asturias (team...
782Lopez Paniego Noe...1993Antoli Royo Joaqu...24100-17 ≣A01Ch Spain (univers...09 May 2011
670Lovric Branko (CRO)2364Zecevic Dean (CRO)22641-016 ≣A01It \24 Nov 2008
285Lovric Branko (CRO)2335Sinanovic Muhamed...23801-021 ≣A01Cup Croatia
316Lovric Branko (CRO)2355Ljubicic Filip (CRO)23700-118 ≣A01It (cat.4)
350Lovric Branko (CRO)2312Jurkovic Ante (CRO)23701-021 ≣A01Ch Croatia (team)...
591Luaces Rubio Alfr...2020Izquierdo Arruzer...17661-022 ≣A01It (open)03 Apr 2007
822Luaces Rubio Alfr...2020Roelvaag Mikael (...22011-021 ≣A01It (open)05 Jan 2012
787Luchaninov RomanMalyi Ivan0-118 ≣A01It (open)14 Jul 2011
260Ludy Klaus (GER)2077Matt T1-016 ≣A01It (open)
641Madina Martin (ESP)2253Vukotic Jovsic Dr...20661-09 ≣A01It (open)21 May 2008
640Magdalinskaya Evg...1808Nersesian Vagram ...19721-022A01It (open) \07 May 2008
840Maksimovic Branim...2457Petkov Vladimir (...25090-121 ≣A01It (cat.9)29 May 2012
736Maneluk Nikita (RUS)2203Shilnikov Igor S ...19051-020 ≣A01Memorial Y. Voron...
652Mankirov Vladimir...1650Bovganov Alexander1-09 ≣A01Tournament \
211Mantel HeikoWehmeyer Eckart1-014 ≣A01Ch Region
797Manukian Garuch (...2292Haessel Dale R (CAN)22111-022 ≣A01It \21 Aug 2011
274Marcotulli GiancarloVollbrecht Joerg0-116 ≣A01?
817Marie Maxime (FRA)2202Polok Kacper (POL)21361-021 ≣A01It (open)
161Markovic Zoran S ...2364Novakovic Dragan ...22940-120 ≣A01Cup Yugoslavia (t...
615Marshool MohammedAbdulaziz Ali0-121 ≣A01Ch Asia (juniors)...23 Aug 2007
616Marshool MohammedAu Marcus Timothy...0-112A01Ch Asia (juniors)...24 Aug 2007
94MartinPenafiel Horacio ...21690-118 ≣A01corr.
247Martinkova Monika...1817Svoboda Petr (CZE)20881-06 ≣A01It (open) (b)
283Martinkova Monika...1817Bekker-Jensen Ann...20700-114 ≣A01Ch Europe (junior...
177MaupointFerrand1-016 ≣A01It (open)
824Mavroudis Dionisi...1644Kontopanagos Ioannis10101-021 ≣A01Tournament (open)14 Jan 2012
337Mayer Michaela (AUT)1900Kroell Katja Maria0-122 ≣A01Ch Austria (junio...
618Mayorga Nicolas (...2274Sanduay Nicolas (...20261-020 ≣A01Ch Argentina (team)01 Sep 2007
100McSherry JBeckett Roger22051-019 ≣A01corr.
455Medancic Rikard (...2262Cigala Janez (CRO)20291-019 ≣A01Ch Croatia