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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
445Le Perf Henri (FRA)1693Lemerle Alban (FRA)20261-020 ≣A01Ch France (team) ...
506Leon Calderon Jon...2029Eckel Carlos Guil...1-020 ≣A01Ch Pan-American (...11 Jun 2005
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
53Lempiainen MarkkuPaavilainen Tuomas0-122 ≣A01?
353Lelong Eric (FRA)1966Henry Tony (FRA)20281-018 ≣A01It
535Leibowitz RussellLamdan Jonathan1-014 ≣A01Ch USA (amateur) ...18 Feb 2006
639Leibing Kai-Ingo1858Margraf Matthias ...17410-115 ≣A01Ch Mittelfranken ...27 Apr 2008
166Leibing Ingo1895Heubusch Michael ...21560-120 ≣A01Bayern Oberliga
106Lehtinen Heikki (...2401Viinanen V-P1-021 ≣A01Ch Finland (juniors)
210Le Hetet Nicolas ...2138Gitzinger Gregory...22081-020 ≣A01Ch France (team) ...
114Legeny PavolFraas Martin (SVK)22501-020 ≣A01It (open) \
176Lee Cecil (TRI)1954Dobrishman Liat (...0-110 ≣A01It (active)
31Lazzarato Alberto...2109Klauner Thei22000-119 ≣A01Ch Europe (juniors)
19Lavery WMadjaric K0-18 ≣A01Ch Australia (res...
429Laszlo Janos (HUN)2274Papista Akos (HUN)21591-022 ≣A01Ch Hungary (team)...24 Nov 2002
418Lashkov Vladimir ...1892Rogov A (RUS)0-116 ≣A01Ch Moscow Region
252Laschat Stefan1760Hermanowski Mark ...20400-115 ≣A01VK3 1997/98
4Larsen Bent (DEN)2415Spassky Boris V (...25480-117 ≣A01Match \
16Larsen Bent (DEN)2620Eley Brian (ENG)23501-021 ≣A01It
12Larsen Bent (DEN)2625Dominguez Sanz Ju...22151-022 ≣A01It (cat.8)
5Larsen Bent (DEN)2415Portisch Lajos (HUN)25230-122 ≣A01Olympiad
243Laksman NissimWikstrom Joel (SWE)21941-020 ≣A01Ch Sweden (cadets)
704Lainburg Victor (...2149Schippan Bernd (GER)23381-020 ≣A01Ch Germany (senio...12 Sep 2009
376Ladzpa GelHeide Ken0-112 ≣A01Tournament (IECG)
18Kuznik JRavlic L0-122 ≣A01corr.
235Kurzawa DirkMainka Romuald (GER)25200-112 ≣A01It (open)
519Kurth Michael (GER)2167Salenko Vadim (UKR)20051-020 ≣A01It (open)06 Oct 2005
255Kurniawan Bobby (...2410Antonio Rogelio J...25250-122 ≣A01It (sheveningen) ...
124Kunsztowicz Uwe (...2234Peters Carsten (GER)23101-020 ≣A01Ch Hamburg
723Kunac Ljubo (SRB)2190Pavlovic Dragan (...23160-119 ≣A01It (open)03 Jan 2010
724Kunac Ljubo (SRB)2190Masirevic Mirolju...20270-110 ≣A01It (open)04 Jan 2010
582Kulkarni Ketaki (...2031Priya P (IND)21280-119 ≣A01Ch Asia (juniors)...14 Nov 2006
719Kulas Mariusz (POL)1450Olszewski Pawel (...19030-122 ≣A01Tournament (open)
315Kuhnke Rainer1853Schmidt Gerhard (...20780-115 ≣A01It (open) (b)
741Kubicki Mateusz (...1623Mucha Piotr (POL)17080-118 ≣A01Ch Poland (team) ...11 Jul 2010
771Ksenofontov NikolaiPovolotsky Evgeny...20280-113 ≣A01Memorial Postoval...06 Jan 2011
248Krumpak Hinko (SLO)2090Kaspret Guido (AUT)23200-122 ≣A01It (open)
665Kristensen Steffen M1256Krull Carl (DEN)17340-115 ≣A01Tournament (open) \28 Oct 2008
667Kristensen Steffen M1164Nielsen Jorgen H15910-114 ≣A01Tournament (open) \11 Nov 2008
471Kraus Oliver (GER)2077Valenzuela Hernan...1-013A01It (open)
256Kral VStudnicka Tomas (...23590-120 ≣A01Ch Czech Federati...
381Kraai Jesse (USA)2442Kobernat Alan (USA)21121-015 ≣A01It \
806Koziol Pawel (POL)1809Kurowski Andrzej18441-021 ≣A01Tournament (Elo) \27 Sep 2011
380Kourbanhoussen Id...Baptiste David0-16A01It (open)
623Kostrun Slaven (CRO)2233Bazant Jurica (CRO)21261-017 ≣A01Ch Croatia (team)...30 Sep 2007
428Kosten Anthony C ...2545Giboulot Philippe1-020A01Simultan08 Nov 2002
727Koshelev Vladimir...1916Fomin Sergey (RUS)21430-121 ≣A01Ch City (1/2 final)13 Feb 2010
726Koshelev Vladimir...1916Mikhailov Artem1-019A01Ch City (1/2 final)10 Feb 2010
619Korytina Natalia ...2003Mukhamadeev Dmitr...18061-018 ≣A01Cup Cheliabinsk C...07 Sep 2007
628Kornyukhin Stepan...1855Titov Sergo (RUS)18550-121 ≣A01Tournament (Elo) (d)03 Jan 2008
372Korhonen Pasi (FIN)2102Vaher Andres (EST)21931-020 ≣A01Match \
526Korchnoi Viktor (...2620Manik Mikulas (SVK)24741-012 ≣A01Ch Europe (active)17 Dec 2005
419Koh How Yee YvonneZhou W Y Jacqueline0-122 ≣A01Ch ASEAN (juniors...
368Koch DanielRaabe Hans-Ulrich1-020 ≣A01It (open)
725Kobold Andrej1733Brank Bine (SLO)18731-016 ≣A01It (open) (b)01 Feb 2010
48Knebel Willi (GER)2078Auerswald K0-120 ≣A01corr.
58Kloppenburg MartijnDekker Kees (NED)21881-017 ≣A01corr.
57Kloppenburg MartijnDekker Kees (NED)21881-017 ≣A01corr.
780Klimek Petr (CZE)1939Tesar Jan (CZE)21060-121 ≣A01It (open)30 Apr 2011
812Kleman Miroslav (...2212Mazur Stefan (SVK)23750-113 ≣A01Ch Slovakia (team...12 Nov 2011
44Kleeschaetzky REnders Peter (GER)24540-118 ≣A01corr.
498Klamp Christoph (...2112Wang Rui (CHN)24740-122 ≣A01It (open)06 Mar 2005
413Klamp Christoph (...2144Sinkovics Peter (...23250-122 ≣A01It (open)
827Kirmeir Andreas1819Fellhauer Clemens...21010-118 ≣A01It \21 Feb 2012
244Kilb PeterPfendtner Gerald0-121 ≣A01It (open) (b)
584Khudoleev Vladimi...Sharikov Mikhail ...22420-110 ≣A01Ch Primorie (HL)10 Dec 2006
272Khmiadashvili Tam...2170Sorokina Tamara (...21801-022 ≣A01Ch World (seniors...
383Khaziyeva Dinara ...2068Gulko Andrei18150-117 ≣A01Ch Quebec (open)
733Khaziev Anvar (RUS)2014Akhmetova Karina ...19650-120 ≣A01Memorial Dautov (...05 Apr 2010
328Khamaiseh Seba A ...Al-Rufei Eman H (...20310-122 ≣A01Arab Chess Festiv...
843Kelly Ladislau En...2239Uta Adeline-Ramon...20511-019 ≣A01It (open)27 Jul 2012
222Keca Dragomir (SRB)2187Pavlovic Dragolju...23100-118 ≣A01Ch Yugoslavia (1/...
151Kasparov Garry (RUS)2805Taylor Phil (ENG)20311-022 ≣A01Match (blitz)
214Karlsson Lars (SWE)2470Schneider Stefan ...22301-021 ≣A01It (open)
701Karlsson Lars (SWE)2468Tchetchelnitski B...21851-017 ≣A01It (open)22 Aug 2009
614Karayev Assylkhan...2198Glukhov Mikhail (...22171-020 ≣A01Memorial Goriaino...19 Aug 2007
638Karayev Assylkhan...2283Suleimanov Salman...22831-021 ≣A01Ch Kazakhstan21 Apr 2008
735Karasev Georgy (RUS)1821Yermakova Nadezhd...18110-115 ≣A01Memorial Y. Voron...
642Kantor Tamas (SVK)1770Deak Balazs (HUN)19030-110 ≣A01Tournament (Elo) (b)15 Jun 2008
2Kalkstein RodolfoElemberg Norberto0-121 ≣A01Ch Uruguay
382Kalhorn StephanPochop Bert1-022 ≣A01Landesliga (2nd) ...
488Kaledina Ekaterin...Berestneva Ekater...0-117A01Ch Central Region...08 Nov 2004
435Kalandadze Nino (...2024Danelia Mariam (GEO)22590-119 ≣A01It (open)
568Kalajzic Ivan (CRO)2246Kinez Ivo (CRO)20571-016 ≣A01It (open)23 Aug 2006
468Kaczorowska Malgo...1987Kucypera Malgorza...20220-121 ≣A01Ch Poland (team) ...11 Sep 2003
364Jurkic Bosiljko (...2064Voloshin Leonid (...24530-121 ≣A01It (open)
304Jurasic Marinko DrDropalla Florian19101-021 ≣A01Bayern Regionalli...
90Junghanel DieterHille Ingo (GER)21710-117 ≣A01It (open)
329Julia Ernesto (ARG)2393Cativelli Gerardo...22571-019 ≣A01Memorial M.Najdor...
212Jud Karl HeinzMatosec Thomas (AUT)20701-014 ≣A01It (open) (b)
453Jubin Thierry (FRA)1737Schutz Vincent1-021 ≣A01It (open)
486Jubin Thierry (FRA)1737Delaire Eric (FRA)19870-122 ≣A01It (open)29 Oct 2004
139Jovanovic Sasa T ...2276Drozdov Igor (RUS)24370-122 ≣A01It
24JovanovicGheorghiu Florin ...25400-122 ≣A01?
810Jovancev Orce (SRB)1737Markovic Marko (SRB)22850-111 ≣A01It (open)24 Oct 2011
349Josuttis VolkerKloppenburg Reimer1-016 ≣A01Ch Pinneberg
301Jorgensen Morten SIngolfsdottir Har...19770-115 ≣A01It (open) \
236Joncour SylvainLe Bras Arnaud0-120 ≣A01It (open)
66Johansen Darryl K...2440Budde Vladimir (GER)23450-16 ≣A01It (cat.7)