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Nimzo-Indian, Sämisch Variation, 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Notation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3

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
1Rellstab Ludwig S...2265Pahl Kurt1-012 ≣E41
2Rjumin N (RUS)Panov Vasily N (RUS)1-042 ≣E41Ch URS
5Mikenas Vladas I ...2405Fairhurst William...23001-030 ≣E41It
6Goldstein Maurice...Cornforth John Wa...0-149 ≣E41Ch Australia07 Jan 1937
7Klein Ernst LudwigEuwe Max (NED)0-161 ≣E20It
8Gotthilf SVasiliev (RUS)0-149 ≣E41Ch \
9Kotov Alexander A...2500Lisitsyn Georgy (...1-033 ≣E41Ch URS
10Rudakovsky Iosif ...Lisitsyn Georgy (...0-161 ≣E20Ch URS
11Stolberg Mark (RUS)Lisitsyn Georgy (...0-149 ≣E20Ch URS
12Cruz Walter Oswal...De Souza Mendes J...1-035 ≣E20Ch Brazil (qual)
13Nuernberg FriedrichMuller Hans (AUT)0-134 ≣E20Ch Germany
14Reshevsky Samuel ...2430Denker Arnold S (...22931-045 ≣E20Ch USA
15Reshevsky Samuel ...2430Levin Jacob1-039 ≣E20Ch USA
16Lilienthal Andor ...2385Kottnauer Cenek (...23701-015 ≣E41Match \
17Najdorf Miguel (POL)2445Rohacek Vladimir ...1-020 ≣E41Memorial K.Treybal
18Sajtar Jaroslav (...Kottnauer Cenek (...23701-032 ≣E41Memorial K.Treybal
20Lisitsyn Georgy (...Sokolsky Alexey (...1-031 ≣E20Ch URS (1/2 final)
21Gligoric Svetozar...2447Radojcic Miroslav1-033 ≣E41Ch Yugoslavia
22Lilienthal Andor ...2385Smyslov Vassily (...24941-044 ≣E41Tournament
23Beni Alfred (AUT)2210Mueller Hans0-149 ≣E20It
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
25Najdorf Miguel (POL)2445Bolbochan Julio (...24401-038 ≣E41It
26Olivera AlfredoLuckis Marcos22700-167 ≣E20It
27Olivera AlfredoO'kelly De Galway...24601-042 ≣E20It
28Sanguinetti Raul ...2485Szabo Laszlo (HUN)19030-127 ≣E20It
29Averbakh Yuri L (...2445Kan Ilia Abramovich0-137 ≣E41Memorial N.Riumin
30Mastichiadis FMoudzouneas N1-027 ≣E41Ch Greece
31Bolbochan Jacobo ...Luckis Marcos22700-159 ≣E41It
32Geller Efim P (RUS)2455Sokolsky Alexey (...0-172 ≣E20Ch URS
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
34Rossolimo Nichola...2450Golombek Harry (ENG)23201-022 ≣E41It
35Aratovsky NikolaySokolsky Alexey (...0-145 ≣E20Ch URS (1/2 final)
36Furman Semen (RUS)2550Arulaid Alexander...1-038 ≣E41Ch URS (1/2 final)
37Spanjaard EduardVan Den Berg Care...24100-118 ≣E20Ch Netherlands
38Najdorf Miguel (POL)2445Matanovic Aleksan...24901-036 ≣E41It
39Bronstein David I...2432Smyslov Vassily (...24941-058 ≣E20Tournament (candi...
40Szabo Laszlo (HUN)1903Keres Paul (EST)25800-146 ≣E20Tournament (candi...
41Van't Veer PBarda Olaf (NOR)0-145 ≣E20Ch World (corr.)
43Castillo Larenas ...O'kelly De Galway...24600-142 ≣E20Olympiad
44Mastichiadis FotisEuwe Max (NED)0-134 ≣E20Olympiad
45Mastichiadis FotisO'kelly De Galway...24600-141 ≣E20Olympiad
46Borisenko Georgy ...2354Sokolsky Alexey (...1-057 ≣E20Ch URS
47Gruber BratoljubDe Stefani Carlo0-139 ≣E20Match \
48Enevoldsen HaraldPoulsen Christian1-030 ≣E20Ch Denmark (play-...
49Donner Jan-Hein (...2430Matanovic Aleksan...24900-142 ≣E20Zt
50Szabo Laszlo (HUN)1903Laszlo C (HUN)1-029 ≣E20Ch Hungary
51Udovcic Mijo (YUG)2460Puc Stojan (SLO)22550-139E20Ch Yugoslavia
52Kopaev Nikolay An...Bonch-Osmolovsky ...0-146 ≣E20Ch URS (1/2 final)
53Perez Perez Franc...Prins Lodewijk (NED)22200-132 ≣E20It
54Tramoyeres PEnevoldsen Jens (...23500-174 ≣E20It
55Esposito AlfredoSouza Mendes Joao1-023 ≣E20Zt
56Rossetto Hector (...2285Vasconcellos Fern...1-042 ≣E20Zt
58Brunet PhilipZalys Ignas0-160 ≣E41Match
59Geller Efim P (RUS)2455Lipnitsky Isaak (...1-033 ≣E20Ch URS
60Ciejka TadeuszBalcarek Wiktor0-162 ≣E41It
61Kottnauer Cenek (...2370Sliwa Bogdan (POL)22351-040 ≣E41Memorial G.Maroczy
62Huguet HGaribaldi Oscar (...1-020 ≣E20Ch Argentina
63Huguet HLuckis Marcos22701-031 ≣E20Ch Argentina
64Wise TNewman RH18151-024 ≣E20Ch Great Britain
65Aleman Dovo MiguelGonzalez0-136 ≣E41It
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
68Pafnutieff VladimirGligoric Svetozar...24470-118 ≣E20It
69Balanel Ion (ROM)Szabo Stefan1-078E20It
70Averbakh Yuri L (...2445Estrin Yakov B (RUS)24500-164 ≣E20Ch Moscow
71Rabar Braslav (YUG)Toth Vince (HUN)1-045 ≣E41It
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
73Cordioli Lourenci...1995De Carvalho Flavio0-138 ≣E41Ch Brazil
74Lima EdmundoPaiva Omar0-139 ≣E20Ch Brazil
75Santiago Oliveira...Paiva Omar0-136 ≣E20Ch Brazil
76Boleslawski ZbigniewGadalinski Jan (POL)0-151 ≣E20Ch Poland11 Oct 1952
77Boleslawski ZbigniewGawlikowski Stani...1-051 ≣E20Ch Poland17 Oct 1952
78Grynfeld Izaak (POL)Gadalinski Jan (POL)1-036E20Ch Poland17 Oct 1952
79Gawlikowski Stani...Gadalinski Jan (POL)0-132 ≣E20Ch Poland27 Oct 1952
80Kan Ilya A (RUS)Botvinnik Mikhail...23070-136 ≣E20Match (training)
81Szabo Laszlo (HUN)1903Sliwa Bogdan (POL)22350-143 ≣E20It
82Keres Paul (EST)2580Ragozin Viachesla...1-041 ≣E20Tournament
83Gligoric Svetozar...2447Bolbochan Jacobo ...1-045 ≣E41It
84Keres Paul (EST)2580Mikkov U1-012 ≣E41Ch Estonia (open)
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
86Berenzon MauricioMangini Jose Thiago0-136 ≣E20Ch Brazil
87Fragoso DarcyVasconcellos Fern...0-158 ≣E20Ch Brazil
89Kelly TAnderson Frank R ...0-122 ≣E20Olympiad
90Maher VLorson Gerhard24750-149 ≣E41Olympiad
91Milev Zdravko (BUL)2230Olafsson Fridrik ...24340-131 ≣E20Olympiad
92Neu AloyseO'kelly De Galway...24600-146 ≣E20Olympiad
93Kazic Bozidar (YUG)Maricic1-033 ≣E41Ch Yugoslavia (co...
94Geller Efim P (RUS)2455Broadbent Reginal...1-044 ≣E20Match \
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
96Balanel Ion (ROM)Olafsson Fridrik ...24340-148 ≣E41Zt
97Chistiakov Alexan...Lisitsyn Georgy (...1-051 ≣E20Ch URS (team)
98Kovacs Laszlo M (...2339Cala' Ugo1-025 ≣E41Olympiad12 Sep 1954
99Lloyd Ken2200Van Hoorne1-047 ≣E41Ch World (juniors...
100Somogyi Istvan (HUN)2205Barczay Laszlo (HUN)23810-135 ≣E41Ch Hungary
101Petrosian Tigran ...2580Benko Pal C (USA)24081-027 ≣E41Match \
102Alster DKolarov Atanas S ...24150-135 ≣E20It
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
104Sherbakov2415Levit Roman (USA)22751-023 ≣E41Ch URS (1/2 final)
105Geller Efim P (RUS)2455Spassky Boris V (...25480-131 ≣E20Ch URS
106Vladimirov Boris ...2340Kholmov Ratmir D ...24320-141 ≣E20Ch URS (1/2 final)
107Ajanski Jordan S ...2350Kolarov Atanas S ...24150-135 ≣E20Ch Bulgaria