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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
1Canal Esteban (PER)2270Siveri Armando0-117 ≣A01
2Kalkstein RodolfoElemberg Norberto0-121 ≣A01Ch Uruguay
3Tomas RicardoBazan Osvaldo (ARG)22600-117 ≣A01Tournament
4Larsen Bent (DEN)2415Spassky Boris V (...25480-117 ≣A01Match \
5Larsen Bent (DEN)2415Portisch Lajos (HUN)25230-122 ≣A01Olympiad
6Basman Michael J ...2338Holaszek Hans0-121 ≣A01Ch World (team) (...16 Aug 1970
7Artemis ASkalkotas Nikolao...22600-121 ≣A01Tournament
8Dotson JPloss H18751-022 ≣A01It (open)
9Bellon Lopez Juan...2325Benko Pal C (USA)25250-121 ≣A01It
10Gorton JMCannon Raymond Ch...20240-120 ≣A01It (open)
11Anagnostopoulos KSiaperas Triantaf...23850-113 ≣A01Tournament
12Larsen Bent (DEN)2625Dominguez Sanz Ju...22151-022 ≣A01It (cat.8)
13Bellon Lopez Juan...2385Ljubojevic Ljubom...25501-018 ≣A01It
14Gavey HL2200Van Dijk Bram (NED)21080-122 ≣A01Olympiad
15Hoong Chee Loh2200Niamdorzi22000-118 ≣A01Olympiad
16Larsen Bent (DEN)2620Eley Brian (ENG)23501-021 ≣A01It
17Ljubojevic Ljubom...2565Kavalek Lubomir (...25650-122 ≣A01It
18Kuznik JRavlic L0-122 ≣A01corr.
19Lavery WMadjaric K0-18 ≣A01Ch Australia (res...
20Idrovo Franklin (...2225Segal Alexandru S...23500-120 ≣A01Olympiad
21Cvetkovic Srdjan ...2406Krnic Zdenko (SRB)23830-116 ≣A01?
22Szilagyi Gyorgy (...2370Vaisman Volodia (...23580-118 ≣A01?
23Serrano Waldo (USA)2325Andres Miguel (CUB)23830-117 ≣A01It (b)
24JovanovicGheorghiu Florin ...25400-122 ≣A01?
25BorrelliRisso1-018 ≣A01corr.
26Casas Fernando (ARG)2360Metz Richard1-020 ≣A01It (open)
27Aprea FernandoLeoncini Mario (ITA)21410-119A01Tournament
28Edwards Matthew (...2131Corden Martyn J (...23050-116 ≣A01It (open)
29Rosales EWheeler Robert (JAM)21550-117 ≣A01Olympiad (student...
30Antonopoulos Soti...Alexopoulos Georg...22490-116 ≣A01Ch Greece (juniors)
31Lazzarato Alberto...2109Klauner Thei22000-119 ≣A01Ch Europe (juniors)
32CalderoniLeoncini Mario (ITA)21410-116 ≣A01It (open)
33Castro Oscar H (COL)2410Herrera Gabriel (...22590-118 ≣A01Ch Colombia23 Mar 1977
34Powell John2200Silva Sanchez Car...23950-119 ≣A01Olympiad
35Turkka PekkaYlitapio Hannu0-118A01?
36Schimron HBrull G1-022 ≣A01corr.
37Schimron HKrabbe Wolfgang (...1-021 ≣A01corr.
38Schneider Lars-Ak...2420Jasnikowski Zbign...23761-022 ≣A01It
39Espig Gesine (GER)2009Starck Ines (GER)22100-115 ≣A01Ch DDR (w)
40Anitei Ion (ROM)2170Podgornei Liviu (...21420-121 ≣A01Ch Romania (1/4 f...
41Salo Heikki (FIN)2229Jarvinen Riitta1-019 ≣A01?
42Pienabarca Nicola...2106Mauro0-119 ≣A01corr.
43Grant TerrySchill William (USA)22330-115 ≣A01Match
44Kleeschaetzky REnders Peter (GER)24540-118 ≣A01corr.
45Fries-Nielsen Nie...2345Farago Ivan (HUN)25150-112 ≣A01It
46Movre DTomasic0-121 ≣A01corr.
47Sibilio Mario (ITA)2364Ady Jonathan J (HKG)23580-115 ≣A01It (open) \
48Knebel Willi (GER)2078Auerswald K0-120 ≣A01corr.
49RichterKeller1-016 ≣A01corr.
50Bini Lorenzo (ITA)1933Gallo Enrico (ITA)20661-018 ≣A01It (open)
51HaesslerEndsley Barry E1-018 ≣A01Ch USA (corr.)
52HaesslerKearns Jerry (USA)22751-019 ≣A01Ch USA (corr.)
53Lempiainen MarkkuPaavilainen Tuomas0-122 ≣A01?
54UngerRunttula0-122 ≣A01corr.
55Dooley Christopher2065Gruenfeld Yehuda ...24500-122 ≣A01It (open)
56Schlemmermeyer Wi...2314Kreutzkamp Reinho...22941-016 ≣A01Bundesliga 1983/84
57Kloppenburg MartijnDekker Kees (NED)21881-017 ≣A01corr.
58Kloppenburg MartijnDekker Kees (NED)21881-017 ≣A01corr.
59Wolf Heinrich (AUT)Hardicsay Peter (...22661-019 ≣A01It (open)
60Bieluszewski Piot...2117Hansen Olaf (NOR)20730-119 ≣A01Match \
61Perkiomaki JariEbeling0-122 ≣A01corr.
62Reichmann Egon (AUT)2279Steflitsch Erich ...23690-19 ≣A01It (open)
63Movre DKuspiel1-018 ≣A01Europe Tournament...
64Caels Vivianne (BEL)2017Muresan Margareta...22060-120 ≣A01?
65Geneciran Glenda ...2025Vilas Boas Luz (POR)20051-020 ≣A01?
66Johansen Darryl K...2440Budde Vladimir (GER)23450-16 ≣A01It (cat.7)
67Gawehns Klaus (GER)2386Hentschel R1-022 ≣A01Oberliga NRW 1985/86
68Clark KSmith Walter0-113 ≣A01It (open)
69Vokac ASalamon1-022 ≣A01It (open)
70SzaboWolf Gerhard20050-116 ≣A01It (open)
71Seeger RMueller Horst (AUT)20471-019 ≣A01Ch NRW (juniors) ...
72Haessler Carl (USA)2194Arganian David (USA)20881-021 ≣A01It \
73Welling Gerard (NED)2322Barbero Gerardo F...25050-117 ≣A01It (open)
74Welling Gerard (NED)2322Davies Nigel R (ENG)24750-121 ≣A01It (open)
75Rakhorst WSchwertel G1-022A01Europe Tournament...
76GuthausLehnert1-021 ≣A01corr.
77Stein Bernd (GER)2365Schlehoefer Ralf ...23121-014 ≣A01Bundesliga 1987/88
78Haessler Carl (USA)2194Bauza Mercere Edu...1-018 ≣A01It (open)
79Mentz NorbertKrause Ullrich (GER)23110-116 ≣A01Ch Schleswig Hols...
80Amura Claudia N (...2328Piza Cortizo Dani...22610-122 ≣A01Ch Argentina (1/2...
81Fernandez Aguado ...2362Blanco Sanjuan Jo...21190-121 ≣A01It (open)
82Dominguez Sanz Ju...2215Sarmiento Santiago1-021 ≣A01It (open)
83Broehl Stefan (GER)2140Schneider Beatrix...20500-122 ≣A01It (open) \
84Van Arkel Rogier ...2172Goedkoop A0-116 ≣A01Ch Netherlands (c...
85Van Arkel Rogier ...2172Leeners Henk0-116 ≣A01Ch Netherlands (c...
86WikmanQuaresma Carlos (...20241-022 ≣A01Olympiad (corr.)
87Dakar EAbou El Zein Eid ...23290-116 ≣A01Olympiad Arab states
88Heinelt Manfred (...2211Kersten Uwe (GER)23150-118 ≣A01Ch BRD (under 25)...
89Dominguez Sanz Ju...2215Fernandez Garcia ...24360-113 ≣A01It \
90Junghanel DieterHille Ingo (GER)21710-117 ≣A01It (open)
91Note F2010Grichkevitch Gill...20810-116 ≣A01It (open)
92Faber B1610Lebedel G17300-115 ≣A01It (open)
93Sterle VMoskalj Nikola (SRB)21440-116 ≣A01corr.
94MartinPenafiel Horacio ...21690-118 ≣A01corr.
95Scherer Max (GER)2205Dohler Thorsten1-020 ≣A01It (open)
96Gradishki RumenMihailov Stamen0-120A01It (open)
97Soste Victor (COL)2030Acosta Alejandro ...22150-122 ≣A01It (open)
98Stadelmann Erwin1670Voekler Derod23400-119 ≣A01It (open) \
99Bernabe ManuelHarabor Mihai0-117 ≣A01World Tournament ...
100McSherry JBeckett Roger22051-019 ≣A01corr.