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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
54Tramoyeres PEnevoldsen Jens (...23500-174 ≣E20It
92Neu AloyseO'kelly De Galway...24600-146 ≣E20Olympiad
11Stolberg Mark (RUS)Lisitsyn Georgy (...0-149 ≣E20Ch URS
52Kopaev Nikolay An...Bonch-Osmolovsky ...0-146 ≣E20Ch URS (1/2 final)
81Szabo Laszlo (HUN)1903Sliwa Bogdan (POL)22350-143 ≣E20It
91Milev Zdravko (BUL)2230Olafsson Fridrik ...24340-131 ≣E20Olympiad
13Nuernberg FriedrichMuller Hans (AUT)0-134 ≣E20Ch Germany
8Gotthilf SVasiliev (RUS)0-149 ≣E41Ch \
40Szabo Laszlo (HUN)1903Keres Paul (EST)25800-146 ≣E20Tournament (candi...
47Gruber BratoljubDe Stefani Carlo0-139 ≣E20Match \
74Lima EdmundoPaiva Omar0-139 ≣E20Ch Brazil
80Kan Ilya A (RUS)Botvinnik Mikhail...23070-136 ≣E20Match (training)
90Maher VLorson Gerhard24750-149 ≣E41Olympiad
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
10Rudakovsky Iosif ...Lisitsyn Georgy (...0-161 ≣E20Ch URS
3Stahlberg Gideon ...Keres Paul (EST)25800-127 ≣A40It
6Goldstein Maurice...Cornforth John Wa...0-149 ≣E41Ch Australia07 Jan 1937
248Bonilla JoseTikkanen Kari (FIN)22600-121 ≣A17Ch World (juniors...
35Aratovsky NikolaySokolsky Alexey (...0-145 ≣E20Ch URS (1/2 final)
45Mastichiadis FotisO'kelly De Galway...24600-141 ≣E20Olympiad
53Perez Perez Franc...Prins Lodewijk (NED)22200-132 ≣E20It
68Pafnutieff VladimirGligoric Svetozar...24470-118 ≣E20It
73Cordioli Lourenci...1995De Carvalho Flavio0-138 ≣E41Ch Brazil
75Santiago Oliveira...Paiva Omar0-136 ≣E20Ch Brazil
79Gawlikowski Stani...Gadalinski Jan (POL)0-132 ≣E20Ch Poland27 Oct 1952
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
89Kelly TAnderson Frank R ...0-122 ≣E20Olympiad
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
816Laitinen Martti (...1857Reuben Stewart (ENG)21520-145 ≣E20Ch Europe (senior...06 Apr 2009
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
87Fragoso DarcyVasconcellos Fern...0-158 ≣E20Ch Brazil
7Klein Ernst LudwigEuwe Max (NED)0-161 ≣E20It
191Erozbek Akdogan2200Suwandhio Eddy0-140 ≣E20Olympiad
57Stoltz Gosta (SWE)Pachman Ludek (GER)22780-147 ≣A13It
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
893Dupre Paul Donald...2037Arkell Keith C (ENG)24090-114 ≣E41It (open)27 May 2011
240Samani MSharifi Poor M R0-126 ≣E20Ch Iran
23Beni Alfred (AUT)2210Mueller Hans0-149 ≣E20It
28Sanguinetti Raul ...2485Szabo Laszlo (HUN)19030-127 ≣E20It
340SacchiniMalloni Marcello ...23090-126 ≣E20?
41Van't Veer PBarda Olaf (NOR)0-145 ≣E20Ch World (corr.)
44Mastichiadis FotisEuwe Max (NED)0-134 ≣E20Olympiad
444Thron CarstenHelms Sven (GER)20600-144 ≣E20Ch JBLN East 1993/94
154Eriksson GHavansi Erkki E T...22230-144 ≣E20Olympiad (student...
58Brunet PhilipZalys Ignas0-160 ≣E41Match
65Aleman Dovo MiguelGonzalez0-136 ≣E41It
403Wallace John Paul...2398Kagan Naum (AUS)22130-160 ≣E20It
107Ajanski Jordan S ...2350Kolarov Atanas S ...24150-135 ≣E20Ch Bulgaria
32Geller Efim P (RUS)2455Sokolsky Alexey (...0-172 ≣E20Ch URS
455Suarez Soria CEhlvest Jaan (USA)26000-127 ≣E20It (open)
76Boleslawski ZbigniewGadalinski Jan (POL)0-151 ≣E20Ch Poland11 Oct 1952
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
571Andrade Romo Anib...2034Bastidas Rodrigue...22450-119 ≣E41Tournament \18 Sep 1998
627Holopainen Timo (...2231Henttinen Markku ...22850-138 ≣E20Ch Finland (team)...
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
88Beni Alfred (AUT)2210O'kelly De Galway...24600-134 ≣A17Olympiad
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
824Stahnke Alexander...1799Muller Jonas19810-142 ≣E20Zt25 Jun 2009
419Garcia LealPerello J0-134 ≣E20Ch Europe (corr.)
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
745Calisi Elia (ITA)1884Gambardella Piero...20370-143 ≣E20Memorial Magari12 Nov 2006
51Udovcic Mijo (YUG)2460Puc Stojan (SLO)22550-139E20Ch Yugoslavia
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
619Berg Kurt M (NOR)Royset Paal (NOR)22570-170 ≣E41It (open)
211Piket Joop J (NED)2125Tatai Stefano (ITA)23670-133 ≣E20It \
49Donner Jan-Hein (...2430Matanovic Aleksan...24900-142 ≣E20Zt
243Dittmann Hans-Ado...2170Groenegres Wilfri...21340-142 ≣E41It (b)
612Duchateau Thomas ...2060Harovelo Ingmar (...21980-137 ≣E20It (open)
859Kotrotsos Vasilio...2355Stavrianakis Ioan...22510-148 ≣E20Ch Greece (team)07 Jul 2010
856Doelker Kai (GER)1723Gruenter Martin (...21780-126 ≣E41Ch Germany (junio...06 Jun 2010
165Colon H (PUR)Chipev T (BUL)0-140 ≣E20Olympiad
814Stachowicz Feliks...1680Bankert Krzysztof...19450-155 ≣E20Ch Poland (team) ...01 Mar 2009
700Tregubov Vadim (UKR)2390Yaremko Nazar (UKR)22030-140 ≣E41Ch Ukraine (junio...
581Sanchez BenitoCaselas Cabanas J...23160-128 ≣E41It (open)
255Niklasson Christe...2350Kaiszauri Konstan...24200-131 ≣E20?
439Ceragioli JohnHimes Harold0-130 ≣E20Ch State California
19Pruyt PHVan Den Berg Care...24100-140 ≣A17Ch Netherlands (1...
60Ciejka TadeuszBalcarek Wiktor0-162 ≣E41It
513Dreyer Martin (NZL)2310Tissir Mohamed (MAR)24540-124 ≣E41Olympiad
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
70Averbakh Yuri L (...2445Estrin Yakov B (RUS)24500-164 ≣E20Ch Moscow
31Bolbochan Jacobo ...Luckis Marcos22700-159 ≣E41It
672Mesko Andrej (CRO)2067Saric Ante (CRO)24370-130 ≣E20Ch Croatia (junio...
822Ryklis BorisKolmakov Pavel (RUS)22680-122 ≣E41It (open) \19 Jun 2009
43Castillo Larenas ...O'kelly De Galway...24600-142 ≣E20Olympiad
412Karsa Laszlo (HUN)2346Adorjan Andras (HUN)25500-131 ≣E41It (open) (active)
574Andersen Ejnar (DEN)2111Petersen Steen (DEN)21660-126 ≣E41Tournament
833Barlotti Gabriele...1667Bonade Massimo (ITA)21270-123 ≣E20It (open)18 Oct 2009
37Spanjaard EduardVan Den Berg Care...24100-118 ≣E20Ch Netherlands
86Berenzon MauricioMangini Jose Thiago0-136 ≣E20Ch Brazil
656Deruelle Sala Alb...2158Lozano Arribas Ca...21880-142 ≣E41It (open)
748Kocabalkan Tayfun...1653Bapci Hikmet0-125 ≣E20Ch Turkey (1/2 fi...19 Dec 2006
26Olivera AlfredoLuckis Marcos22700-167 ≣E20It
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
29Averbakh Yuri L (...2445Kan Ilia Abramovich0-137 ≣E41Memorial N.Riumin
96Balanel Ion (ROM)Olafsson Fridrik ...24340-148 ≣E41Zt