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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
345Valero Penas LMoreno Ruiz Javie...23950-118 ≣A01It (open)
494Graf Christian (GER)2181Moser Wolfgang (GER)21580-122 ≣A01Bayern Regionalli...16 Jan 2005
93Sterle VMoskalj Nikola (SRB)21440-116 ≣A01corr.
795Van Indie Frank (...1900Mostertman Johan ...18071-018 ≣A01Cup Atlantic (open)12 Aug 2011
741Kubicki Mateusz (...1623Mucha Piotr (POL)17080-118 ≣A01Ch Poland (team) ...11 Jul 2010
129Conrad HMueller Achim (GER)19920-120 ≣A01It (open)
71Seeger RMueller Horst (AUT)20471-019 ≣A01Ch NRW (juniors) ...
619Korytina Natalia ...2003Mukhamadeev Dmitr...18061-018 ≣A01Cup Cheliabinsk C...07 Sep 2007
676Pashkin Viktor (RUS)1844Mulenko Alexander...21181-020 ≣A01Memorial P.Dubini...03 Jan 2009
64Caels Vivianne (BEL)2017Muresan Margareta...22060-120 ≣A01?
336Vondracek DavidMutl Jan0-121 ≣A01It (open) (b)
239Grau Helmut (GER)2040Mylich Falk (GER)20880-120 ≣A01Bundesliga (junio...
834Nsubuga R (UGA)2026Namaganda Christine20221-021 ≣A01Tournament (qual-...29 Apr 2012
510Docenko Feodosi J...2087Nametkin Viktor1-011 ≣A01Memorial Kurass26 Jun 2005
681Cappai Davide (ITA)2159Napoli Nicolo' (ITA)23680-119 ≣A01It (open)15 Feb 2009
732Spichkin Alexande...2190Nastic Milorad (CRO)19991-016 ≣A01Ch Europe08 Mar 2010
514Berkes Ferenc (HUN)2596Navara David (CZE)26460-121 ≣A01Ch Europe (team)06 Aug 2005
624Zurek Milan (CZE)2388Navara David (CZE)26560-116 ≣A01Extra League 2007/0818 Nov 2007
536Ruiz Quevedo Andr...1879Navarro Nicolas V...21690-114 ≣A01It \23 Feb 2006
198Hermann ThomasNebel Jens (GER)21441-014 ≣A01VK4 1995/96
640Magdalinskaya Evg...1808Nersesian Vagram ...19721-022A01It (open) \07 May 2008
324Stadler Bruno (AUT)1855Neulinger Manfred...22600-121 ≣A01It (open) \
392Schwartz CNeumeier Klaus (AUT)23440-117 ≣A01It (open)
246Doan Huu DungNgo Thanh Tung0-120 ≣A01Ch Vietnam (team)
695Nguy Minh NghiaNguyen Tan Thinh ...19080-117 ≣A01Ch Vietnam (junio...12 Jul 2009
308Bui T Mai Tram (VIE)Nguyen Thanh Ngoc...0-119 ≣A01Ch Vietnam (junio...
653Ho Thi Ngoc AnhNguyen Thi Thanh ...0-18 ≣A01Ch Vietnam (junio...05 Aug 2008
15Hoong Chee Loh2200Niamdorzi22000-118 ≣A01Olympiad
667Kristensen Steffen M1164Nielsen Jorgen H15910-114 ≣A01Tournament (open) \11 Nov 2008
473Sharipov Ilshat (...1877Nikogosyan Garik ...0-122 ≣A01Ch Russia (junior...
559Jacobsen Per Wurt...2055Nordin Eric (SWE)18880-116 ≣A01Cup North Sea (open)15 Jul 2006
161Markovic Zoran S ...2364Novakovic Dragan ...22940-120 ≣A01Cup Yugoslavia (t...
690Lokander Martin (...1901Oelund Joar0-122 ≣A01Ch Sweden (juniors)19 Jun 2009
484Pedersen BirgerOlsen Birger (NOR)16870-116 ≣A01It (open) (b)28 Aug 2004
719Kulas Mariusz (POL)1450Olszewski Pawel (...19030-122 ≣A01Tournament (open)
738De La Paz Frank (...2473Ordunez Echarte D...22811-020 ≣A01Memorial J.Capabl...13 Jun 2010
813Carballido Mateo ...1500Orellana Iglesias...17870-113 ≣A01It (open)02 Dec 2011
836Tanasa Paul-IulianOrga Felix-Cosmin1-019 ≣A01Ch World (schools...05 May 2012
319Pukropski AribertOrlov Andrey (RUS)23600-122 ≣A01VK3 1999/00
264Assmann Hans (GER)1781Osmani Remzi (BIH)21680-120 ≣A01It (open)
688Arturo Jose Elver...1866Ospina Jhonny (COL)20101-020 ≣A01Ch Colombia (1/2 ...01 Jun 2009
793Palomeque OtonielOssa Ramirez Jesu...17911-06 ≣A01It (open) \05 Aug 2011
825Briggs Andrew JOthman Mustapha18820-121A01It \16 Feb 2012
749De Vries Joel (NED)1838Oudshoorn Arres19740-122 ≣A01Ch Netherlands (o...12 Aug 2010
53Lempiainen MarkkuPaavilainen Tuomas0-122 ≣A01?
784Avella Rosas Luis...1989Paez Sussi Brigitte1-019 ≣A01It (open)18 Jun 2011
441Breton YvesPagnoncelli Herve...18610-121 ≣A01It (open)
533Yanqui Francisco ...1863Palacios Zambrano...19600-120 ≣A01It \08 Jan 2006
323Jens Jelmer (NED)2316Palmer Christian ...21221-021 ≣A01It (open)
113Fontana Sotomayor...2345Palomar Ramon San...20391-022 ≣A01Tournament
752Hristov Petar (BUL)2018Panbukchian Valen...23880-110 ≣A01It (open)15 Aug 2010
609Pavlovski SaskoPancevski Filip (...23400-119 ≣A01Ch Macedonia (team)23 Jul 2007
233Binder EPancsosz J0-111 ≣A01It (open)
163Papaioannou Ioann...2600Pandelidis Ioanni...20931-017 ≣A01It (open)
491Couronne Patrice ...1688Pantic David (FRA)19280-122 ≣A01It (open)
429Laszlo Janos (HUN)2274Papista Akos (HUN)21591-022 ≣A01Ch Hungary (team)...24 Nov 2002
683Vounotrypidis Ast...Papoutsis Vasilio...19000-116 ≣A01It (open) \28 Mar 2009
713Sipila Vilka (FIN)2072Parkkinen Jyrki (...22100-121 ≣A01Ch Finland (team)...15 Nov 2009
396Troupis Konstanti...2036Patrikos Ioannis ...21171-014 ≣A01It (open) \
500Vukovic IgorPavic Jakov (CRO)20850-122 ≣A01Ch Croatia (junio...30 Mar 2005
723Kunac Ljubo (SRB)2190Pavlovic Dragan (...23160-119 ≣A01It (open)03 Jan 2010
222Keca Dragomir (SRB)2187Pavlovic Dragolju...23100-118 ≣A01Ch Yugoslavia (1/...
134Southam David (CAN)2086Peckford William ...22701-020 ≣A01It (open)
94MartinPenafiel Horacio ...21690-118 ≣A01corr.
805Cayon Laura Valen...Pena Gomez Maira ...1-019 ≣A01Tournament (team)...23 Sep 2011
786Seraphim Mateus F...Penteado Lucas0-117A01Tournament (open)01 Jul 2011
391Cabrera AgustinPerdomo Zoar (VEN)1-022 ≣A01It (open)
394Fernandez Rodrigu...1829Perez Luis Manuel...23890-121 ≣A01It (open)
261Antonio Martin Ma...Perez Mario Olea0-122 ≣A01Ch Asturias (qual.)
702Rombaldoni Brian ...1831Pericas Rechi Marc1-014 ≣A01Ch Europe (junior...06 Sep 2009
791Nakamura Hikaru (...2753Perkovich Kyle A1-019 ≣A01It \04 Aug 2011
742Navarro Alvarez A...2068Perpinya Rofes Ll...23540-113 ≣A01It (open) \15 Jul 2010
284Huebsch HansPesch Harald1-021A01Ch SVR (open)
124Kunsztowicz Uwe (...2234Peters Carsten (GER)23101-020 ≣A01Ch Hamburg
699Berg Emanuel (SWE)2610Petersen Tom Petr...23101-022 ≣A01It (open) \23 Jul 2009
840Maksimovic Branim...2457Petkov Vladimir (...25090-121 ≣A01It (cat.9)29 May 2012
244Kilb PeterPfendtner Gerald0-121 ≣A01It (open) (b)
604Genov Petar (BUL)2457Pfrommer Christop...23921-022 ≣A01It02 Jul 2007
521Rehl Danny (GER)Pielmeier Thomas ...0-118A01Verbandsliga Bade...16 Oct 2005
794Cavadini Ignacio ...2076Pineiro Dario (ARG)21760-122 ≣A01Memorial Jose Rub...05 Aug 2011
80Amura Claudia N (...2328Piza Cortizo Dani...22610-122 ≣A01Ch Argentina (1/2...
508Di-Michele Rocco ...2097Pizzuto Samuele T...22190-119 ≣A01Ch Italy (1/2 final)22 Jun 2005
715Morales Liseth So...Plazas Francisco0-110 ≣A01Ch Colombia (amat...15 Nov 2009
102Hart Theo (GER)1927Plijter Martin (NED)20120-115 ≣A01corr.
8Dotson JPloss H18751-022 ≣A01It (open)
777Bogdan Laura-IuliaPoama-Covaci Iulia1-015 ≣A01Ch Romania (junio...16 Apr 2011
382Kalhorn StephanPochop Bert1-022 ≣A01Landesliga (2nd) ...
40Anitei Ion (ROM)2170Podgornei Liviu (...21420-121 ≣A01Ch Romania (1/4 f...
550Stetsyuk Olga (UKR)1869Podolsky Anton (UKR)19960-119 ≣A01Ch Ukraine (1/2 f...20 May 2006
229Hartlaub Marianne...1631Pohrer Hans17270-119 ≣A01Ch Bayern (senior...
542Godart Francois (...1978Poiron Nicolas (FRA)18991-020 ≣A01Ch France (junior...
817Marie Maxime (FRA)2202Polok Kacper (POL)21361-021 ≣A01It (open)
643Stroganov Andrey ...1915Polyansky Viktor ...20940-122 ≣A01It (open) (b)16 Jun 2008
527Wojtaszek Radosla...2606Ponceleusz Bronis...20161-09 ≣A01Ch Europe (active)17 Dec 2005
554Goslawski Michal ...1903Ponceleusz Bronis...19791-020 ≣A01Ch City29 Jun 2006
821Pashkin Viktor (RUS)Ponomareva Olga1-014 ≣A01Memorial P.Dubini...
838Petakov Uros (SRB)2350Popovic Aleksanda...23181-021 ≣A01Cup Serbia (team)18 May 2012
5Larsen Bent (DEN)2415Portisch Lajos (HUN)25230-122 ≣A01Olympiad
375Hvalsoe Rune (SWE)1979Postl Rostislav1-022 ≣A01Tournament (ICCF)
423Saheli Nath (IND)2037Pourkashiyan Atou...22490-122 ≣A01Ch Asia (juniors)...