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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
404Zurek Milan (CZE)2446Hracek Zbynek (CZE)26010-120 ≣A01Extra League 2001/02
624Zurek Milan (CZE)2388Navara David (CZE)26560-116 ≣A01Extra League 2007/0818 Nov 2007
433Zoll Theo (GER)1770Wolf Alfred (GER)19650-122 ≣A01It (open) (seniors)
792Zielinski Wojciec...2116Wodzynski Mieszko...17921-022 ≣A01It (open)04 Aug 2011
599Zhukov YuriKotcarev Alexandr1-019 ≣A01Memorial V.Dorosh...03 Jun 2007
596Zerjavic Damir (SLO)1907Grm Ivan (SLO)20670-119 ≣A01It (open)14 Apr 2007
826Zeleny Tomas (CZE)2146Skala Jaromir (CZE)20161-021 ≣A01Czech League 2011...19 Feb 2012
837Zanon Magnus (AUT)1834Wilke Werner (AUT)21940-121 ≣A01It \10 May 2012
444Zannier Ludovic (...Aranda Guillaume ...0-119 ≣A01Ch France (open) (a)
678Zalisnak Jacobo (...2096Agnello Silvana (...20171-021 ≣A01Tournament (open)23 Jan 2009
362Zaiats Vladimir (...1988Leiva Ruiz Sergi ...19631-022 ≣A01It (open) \
367Zachariassen John...1923Rasmussen Bo (DEN)21590-115 ≣A01It (open) \
830Yujra Chavez Vict...Rodriguez Tinco P...17320-114A01Tournament (open)05 Apr 2012
751Ypma Peter (NED)2070Wijshoff Kasper15151-021 ≣A01Ch Netherlands (o...14 Aug 2010
533Yanqui Francisco ...1863Palacios Zambrano...19600-120 ≣A01It \08 Jan 2006
541Yanqui Francisco ...1863Aguilar Yosimar1-015 ≣A01It \
532Yanqui Francisco ...1863Montenegro Torres...21750-111 ≣A01It \07 Jan 2006
565Yanqui Francisco ...1863Zuluaga Juan1-08 ≣A01Ch Pan-American (...07 Aug 2006
563Yanqui Francisco ...1863Manzanares Gianca...1-019A01Ch Pan-American (...04 Aug 2006
546Yanqui Francisco ...1863Meza Ponce Jerry ...18731-020 ≣A01It \01 Apr 2006
557Yanqui Francisco ...1863Robles Augusto (ECU)16521-022 ≣A01Ch Ecuador (junio...09 Jul 2006
175Wunder Horst (GER)2115Appel Helmut (GER)22120-119 ≣A01Ch Bayern (2)
107Wulff Jens-Peter ...1839Sell Achim (GER)22540-114 ≣A01Regionalliga Nort...
186Wolf Rainer (GER)2060Herz Thomas (GER)20930-122 ≣A01Ch Oberschwaben
59Wolf Heinrich (AUT)Hardicsay Peter (...22661-019 ≣A01It (open)
527Wojtaszek Radosla...2606Ponceleusz Bronis...20161-09 ≣A01Ch Europe (active)17 Dec 2005
592Wlogalski Olivier...1962Lizaso Gastesi Jo...15291-019 ≣A01It (open)03 Apr 2007
832Wlogalski Olivier...1926Song Julien (FRA)23330-122 ≣A01It (open)27 Apr 2012
141Winterkamp StefanMaksimenko Andrei...24350-118 ≣A01It (open) \
783Williams Simon (ENG)2512Ledger David (ENG)22281-020A01It \01 Jun 2011
86WikmanQuaresma Carlos (...20241-022 ≣A01Olympiad (corr.)
185Wiegmann CVon Heusinger Georg40-121 ≣A01Ch NRW (juniors) ...
610Wicklund-Hansen R...1946Westerinen Heikki...23710-120 ≣A01It \26 Jul 2007
746Wianecki Mateusz ...1677Gadek Michal (POL)18041-019 ≣A01It (open) (b)
73Welling Gerard (NED)2322Barbero Gerardo F...25050-117 ≣A01It (open)
277Welling Gerard (NED)2350Benjamin Joel (USA)25950-114 ≣A01It (open)
74Welling Gerard (NED)2322Davies Nigel R (ENG)24750-121 ≣A01It (open)
553Weiss Siegfried (...2112Stanke Juergen (GER)23230-122 ≣A01Ch Hamburg (open)09 Jun 2006
570Wehner Veit (GER)1924Zaragatski Ilja (...24360-120 ≣A01It (open) \07 Sep 2006
388Waters Clive L (ENG)2120Jackson Adrian (ENG)22340-121 ≣A01Ch Great Britain
115Wainer Daniel (ARG)2112Ippolitti Horacio...20431-021 ≣A01It (open) \
479Vu Trung ThaiHoang Da Bao (VIE)0-122A01Ch Vietnam (junio...
500Vukovic IgorPavic Jakov (CRO)20850-122 ≣A01Ch Croatia (junio...30 Mar 2005
496Vukovic IgorDrmic Tomislav (CRO)22200-121 ≣A01Ch Croatia (junio...01 Mar 2005
683Vounotrypidis Ast...Papoutsis Vasilio...19000-116 ≣A01It (open) \28 Mar 2009
178Von Neindorff Hen...Schohs Enrico1-020 ≣A01Ch Army
336Vondracek DavidMutl Jan0-121 ≣A01It (open) (b)
507Volkodav VladimirLeshchenko Vasili...21670-111 ≣A01Memorial Kurass22 Jun 2005
359Vokroj Rene (AUT)2317Wiedner Robert (AUT)22241-022 ≣A01Staatsliga 2000/01
108Vokac Marek (CZE)2455Gronde Ingo (GER)22231-017 ≣A01It (open)
69Vokac ASalamon1-022 ≣A01It (open)
625Vojdani SiavoshDavaasuren Buyanzaya0-122A01Ch World (juniors...25 Nov 2007
756Voiska Margarita ...2314Simunovic Ivana1-08 ≣A01Ch Croatia (team)...12 Sep 2010
606Voigt Ingo (GER)2061Bornschein B (GER)20690-120 ≣A01It (open) \21 Jul 2007
174Vogel KlausMaass Walter0-122 ≣A01corr.
538Vitor Antonio (POR)2414Matamoros Franco ...25340-119 ≣A01It (open)01 Mar 2006
668Vital KeithGoorsahye Antoine0-120A01Olympiad14 Nov 2008
452Villaret Valerie ...Le Gall Louis (FRA)15400-122 ≣A01Tournament
451Villaret Valerie ...Bonnuit Sylvain (...17510-122 ≣A01It (open)
574Villa Claudio (ITA)1834Cadei Davide1-020 ≣A01Ch Provinciale BG06 Oct 2006
109Villaboim NelsonMascarenhas Alber...22600-116 ≣A01It (open)
537Vilela GerardoHernandez Amura G...1-018 ≣A01Ch South America ...26 Feb 2006
168Viehmann Werner (...2091Emmerich Dirk (GER)22260-120 ≣A01Hessenliga 1993/94
754Viederis Gedimina...1864Masiokas Ignas (LTU)16230-18A01It (open) (b)20 Aug 2010
208Ventura Monfort S...2016Mezquita Broch Pa...19511-022A01It (open)
217Vencl Jiri (CZE)1710Bursova Dana (CZE)1-017 ≣A01It (open) (b)
320Velasquez Cesar (...2320Elias Arturo (CHI)20991-019 ≣A01It (open)
489Vargyas Zoltan (HUN)2166Szilardfy Gyula (...20930-119 ≣A01Tournament (Elo) (a)11 Nov 2004
373Vargas Cortes Sal...Garcia Gonzalez J...1-018 ≣A01Ch Pan-American (...
202Van Wely Loek (NED)2585Spronk Hans10281-012A01It (open)
287Van Run Jan (NED)2056Floor Dick (NED)22140-113 ≣A01It (open)
795Van Indie Frank (...1900Mostertman Johan ...18071-018 ≣A01Cup Atlantic (open)12 Aug 2011
707Van Houten Henk (...1804Boettcher Ulrich ...20400-122 ≣A01Ch Schleswig Hols...26 Sep 2009
709Van Houten Henk (...1804Jauch Dieter (GER)19360-116 ≣A01Ch Schleswig Hols...02 Oct 2009
848Van Houten Henk (...Schwagrowski Bern...1-020 ≣A01Ch Germany (seniors)14 Aug 2012
221Van Geet Dirk Dan...2320Hoogendoorn Joost...23450-122 ≣A01Ch Netherlands (t...
449Vanderwaeren Serg...2253Schrickx Frank (BEL)19031-015 ≣A01It (open)
116Van Der Beek JoseEkenlov Lars0-118 ≣A01World Tournament ...
711Van Den Bergh Ben...2006Smith Thijmen (NED)19970-116 ≣A01It (open)14 Nov 2009
636Van Den Bergh Ben...1991Giri Anish (NED)24660-122 ≣A01It (open)05 Apr 2008
85Van Arkel Rogier ...2172Leeners Henk0-116 ≣A01Ch Netherlands (c...
84Van Arkel Rogier ...2172Goedkoop A0-116 ≣A01Ch Netherlands (c...
345Valero Penas LMoreno Ruiz Javie...23950-118 ≣A01It (open)
517Vaisser Anatoly (...2574Marzolo Cyril (FRA)23931-020 ≣A01Ch France16 Aug 2005
705Vahidov BehzodHaria Ravi (ENG)17730-120 ≣A01It (open)19 Sep 2009
476Urtado Olivier (FRA)1449Hegyvari Brigitta...20100-115 ≣A01It (open)25 Apr 2004
54UngerRunttula0-122 ≣A01corr.
447Ulianov Sergey (RUS)2045Prusakov Dmitry (...21390-119 ≣A01Tournament
480Turza Pavel (CZE)1797Hejna Jana1-016 ≣A01It (open) (b)05 Jul 2004
35Turkka PekkaYlitapio Hannu0-118A01?
273Tu Hoang Thong (VIE)2480To Quoc Khanh (VIE)22711-022 ≣A01Ch Vietnam (active)
396Troupis Konstanti...2036Patrikos Ioannis ...21171-014 ≣A01It (open) \
511Tran Vo Minh Tam ...Dang Quoc Vuong (...0-121 ≣A01Ch Vietnam (junio...
650Totsky Leonid (RUS)2484Kociscak Jiri (CZE)23191-021 ≣A01It (open)25 Jul 2008
209Toth Csaba (HUN)1908Gyenes Istvan (HUN)16130-121 ≣A01It (open)
764Torre Eugenio (PHI)2489Dhamir Jabar Al-Y...1-018 ≣A01Asian Games (team)18 Nov 2010
649Torkilseng Runar ...1824Kaaber Jacob (DEN)21820-119 ≣A01It (open) \20 Jul 2008
3Tomas RicardoBazan Osvaldo (ARG)22600-117 ≣A01Tournament
835Tokareva AnastasiaArda Cagil Irmak15841-018 ≣A01Ch World (schools...01 May 2012
605Tofil Borys (POL)2171Kulon Klaudia (POL)21390-118 ≣A01Ch Poland (junior...02 Jul 2007