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Nimzo-Indian, 4.e3, Main line with ...b6 Notation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 b6

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
5Thorban WAuer Guenther20201-039 ≣E47corr.
7Taimanov Mark E (...2386Averbakh Yuri L (...24451-042 ≣E47Tournament
9Taimanov Mark E (...2386Averbakh Yuri L (...24451-034 ≣E47Tournament (candi...
10Porath Yosef (ISR)2340Szabo Laszlo (HUN)19031-048 ≣E47Olympiad
11Panno Oscar (ARG)2438Souza Mendes Joao1-041 ≣E47Zt
12Newman RH1815Thomas Andrew RB1-031 ≣E47Ch Great Britain
13Neals JHaygarth Michael ...23750-124E47Ch Great Britain
18Smyslov Vassily (...2494Bisguier Arthur B...22371-038 ≣E47Match \
20Gligoric Svetozar...2447Pirc Vasja (YUG)1-026 ≣E47It
21Udovcic Mijo (YUG)2460O'kelly De Galway...24601-034 ≣E47It
24Geller Alexander GRagozin Viachesla...1-041 ≣E47Ch URS (1/2 final)
28O'kelly De Galway...2460Bouwmeester Hans ...23430-143 ≣E47It
29Yudovich Mikhail ...2400Batik Frantisek1-041 ≣E47Ch World (corr.)
30Najdorf Miguel (POL)2445Perez Jaime1-033 ≣E47It24 Jan 1958
33Donner Jan-Hein (...2430Simagin Vladimir ...0-143 ≣E47Memorial G.Maroczy
34Olafsson Fridrik ...2434Bobotsov Milko G ...24051-043 ≣E47Zt
35Cherepkov Alexand...2395Korchnoi Viktor (...25560-134 ≣E47Ch URS
36Taimanov Mark E (...2386Buslaev Aleksande...22001-037 ≣E47Ch URS (team)
39Portisch Lajos (HUN)2523Tal Mikhail N (LAT)25201-044 ≣E47Ch World (match) ...
40Van Den Berg Care...2410Korchnoi Viktor (...25560-128 ≣E47Ch Europe (team)
41Donner Jan-Hein (...2430Van Scheltinga Th...23251-035 ≣E47It \
43Gligoric Svetozar...2447Ree Hans (NED)23790-138 ≣E47It \
44Kristinsson Jon (...2290Zwaig Arne (NOR)24390-135E47Zt
45Zwaig Arne (NOR)2439Petersen Finn (DEN)22751-042 ≣E47Zt
47Kraidman Yair (ISR)2267Korchnoi Viktor (...25560-149 ≣E47Olympiad
48Vaisser Anatoly (...2536Zlotnik Boris A (...24331-037 ≣E47Ch \
49Brinck-Claussen B...2263Spassov Liuben (BUL)23670-147 ≣E47It (open)
51Kozma Julius (CSR)2380Korchnoi Viktor (...25560-120 ≣E47Ch Czechoslovakia
52Donner Jan-Hein (...2430Ree Hans (NED)23791-041 ≣E47It \
53Vizantiadis Lazar...2222Rocha Antonio (BRA)23000-140 ≣E47Olympiad
54Schneider Veronik...2297Kuhnel1-037 ≣E47Europe Tournament...
55Gligoric Svetozar...2600Van Den Berg Care...24101-023 ≣E47It (a)
56Balzarek HBeutler M0-131 ≣E47corr.
58Gligoric Svetozar...2575Loftsson Julius H...23451-036 ≣E47It \
60Luik Helmuth (EST)2209Uusi Gunnar (EST)24100-127 ≣E47Ch Estonia
61Portisch Ferenc (...2342Kushnir Alla (ISR)24301-033 ≣E47It (cat.6)
63TothVentura1-037 ≣E47It (cat.6)
65Knaak Rainer (GER)2510Liebert Heinz (GER)22471-030 ≣E47?
68Donner Jan-Hein (...2475Tarjan James E (USA)24901-048 ≣E47Olympiad
70WalshGalante1-026 ≣E47corr.
72Squarcialupi DiegoBrilla Banfalvi S...0-128 ≣E47Europe Tournament...
73Fernandez Aguado ...2314Hort Vlastimil (GER)26200-130 ≣E47It
75Portisch Lajos (HUN)2630Petrosian Tigran ...26200-145 ≣E47It (open)
76Pederzoli SGoldenberg Richar...23200-130 ≣E47It
77Gofshtein Zvulon ...2504Salov Valery (RUS)26440-140 ≣E47Ch URS (qual)
78ArjolaSchreiber1-023 ≣E47Europe Tournament...
80Hermlin Aarne (EST)2233Kuvaldin V1-046 ≣E47World Tournament ...
81LeticHermlin Aarne (EST)22330-125 ≣E47World Tournament ...
82Luft Josef2155Vacclawik1-050 ≣E47World Tournament ...
83Brinck-Claussen B...2370Mortensen Erling ...24001-036 ≣E47Ch Denmark
84Silman Jeremy D (...2383Kane George Franc...23001-032 ≣E47Ch Northern Calif...
86Brinck-Claussen B...2375Pokojowczyk Jerzy...23901-024 ≣E47It (open)
87Ehlvest Jaan (USA)2594Salov Valery (RUS)22951-041 ≣E47Ch World (juniors...
88Chandler Murray G...2530Littlewood Paul E...24350-131 ≣E47Ch Great Britain
89Ellison Derek Geo...2065Hawksworth John C...23551-035 ≣E47Ch Great Britain
90Valtonen MPaavilainen0-130 ≣E47Memorial Heilimo ...
91Kuusava EsaKosonen Markku0-136 ≣E47?
92Lindholm Pertti (...1713Lahti Lauri0-143 ≣E47?
93Wilen AnteroBerglund Risto (FIN)0-124 ≣E47?
94Kummer PCherek Gunter0-134E47corr.
95Stolle EFink1-027 ≣E47corr.
96Knaak Rainer (GER)2505Spassov Liuben (BUL)24500-147 ≣E47Match \
97Pliester Leon (NED)2300Trepp Markus (SUI)23751-037 ≣E47Ch Cleveland
98Goehring Karl-Hei...2335Huebner Robert Dr...26300-129 ≣E47Bundesliga 1981/82
100Plachetka Jan (SVK)2388Csom Istvan (HUN)25051-042 ≣E47Olympiad
101Bjarnason Saevar ...2129Gudmundsson Elvar...23161-040 ≣E47Ch Iceland
102Gamarra Caceres C...2233Trois Francisco R...23950-127 ≣E47It
105Flear Glenn C (ENG)2471Hawksworth John C...23551-038 ≣E47Ch Great Britain
106Azmaiparashvili Z...2455Razuvaev Yuri S (...25251-041 ≣E47Ch URS (1/2 final)
108Andrade Wanderley...Castelo Branco Ne...0-146 ≣E47Ch Brazil (team)
109Turunen Erkki O (...2245Kanko Ilkka (FIN)22311-019 ≣E47Tournament
112Hermlin Aarne (EST)2233Steinsapir EJ0-134 ≣E47World Tournament ...
113Idema AbramHermlin Aarne (EST)22331-049 ≣E47World Tournament ...
115Cooper Deborah (WLS)2015Spraggett Kevin (...25250-136 ≣E47Olympiad
116Lako Mika (FIN)2230Tanner Heinrich (...22410-135 ≣E47Ch Finland (team)
118Kahn Manfred (GER)2139Schatz Dieter (GER)22131-033 ≣E47It
119Hager Franz (AUT)2224Chandler Murray G...25650-139 ≣E47It (open)
120Zsinka Laszlo (HUN)2395Lukacs Peter (HUN)25200-149 ≣E47It
123Kirschner GerhardGarms I1-038 ≣E47corr.
124Ogaard Leif (NOR)2408Arnason Jon L (ISL)25551-031 ≣E47Zt
126Conquest Stuart (...2490Schandorff Lars (...24941-035 ≣E47?
129Haik Aldo (FRA)2390Polaczek Richard ...23770-138 ≣E47?
130Vaisser Anatoly (...2555Landenbergue Clau...23971-026 ≣E47It (open)
131Arpiainen VesaKosonen Markku1-025 ≣E47?
133Muir Andrew J (SCO)2311Milosevic Goran (...23490-141E47It (open) \
134Hovan GRCarvalho Joao1-030 ≣E47World Tournament ...
135Gurevich Mikhail ...2645Bareev Evgeny (RUS)26051-041 ≣E47Cup World (qual)
136Semkov Semko (BUL)2460Nikcevic Nebojsa ...23350-133 ≣E47It (open)
137Granda Zuniga Jul...2595Tal Mikhail N (LAT)25750-141 ≣E47It (cat.11)
138Ograbek Grzegorz ...2177Czarnecki M1-027 ≣E47Ch Poland (corr.)
139Vaisser Anatoly (...2565Arnason Jon L (ISL)24991-032 ≣E47It (cat.9)
142Vainio MattiVirtanen Matti1-050 ≣E47?
144Huebner Robert Dr...2630Khalifman Alexand...26350-142 ≣E47Bundesliga
145Knaak Rainer (GER)2525Kohlweyer D0-141 ≣E47Bundesliga
146Barredo Luis (CUB)2311Rodriguez Amador ...24410-146 ≣E47It (open)
147Jussupow Artur (GER)2640Timman Jan H (NED)26651-050 ≣E47Ch World (match) ...
148Rumiantsev B NEngel Klaus (GER)1-043 ≣E47corr.
150Brionne Thierry (...2112Arnason Jon L (ISL)25250-137 ≣E47It (open)
154Portisch Ferenc (...2342Jeric Simon (SLO)22891-030 ≣E47It (open)
155Sherbakov Ruslan ...2580Computer \1-036 ≣E47It (open) \