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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
99Lloyd Ken2200Van Hoorne1-047 ≣E41Ch World (juniors...
61Kottnauer Cenek (...2370Sliwa Bogdan (POL)22351-040 ≣E41Memorial G.Maroczy
486Jugow Alexander (...2152Breustedt Werner ...22401-049 ≣E41Ch World (seniors)
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
6Goldstein Maurice...Cornforth John Wa...0-149 ≣E41Ch Australia07 Jan 1937
36Furman Semen (RUS)2550Arulaid Alexander...1-038 ≣E41Ch URS (1/2 final)
609Fernandez Juan C ...2410Gonzalez Aguirre ...21440-163 ≣E41It (open)
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
17Najdorf Miguel (POL)2445Rohacek Vladimir ...1-020 ≣E41Memorial K.Treybal
911Abdel Razik Khale...2423Omorere Benjamin ...22231-043 ≣E41Tournament \10 Sep 2011
822Ryklis BorisKolmakov Pavel (RUS)22680-122 ≣E41It (open) \19 Jun 2009
5Mikenas Vladas I ...2405Fairhurst William...23001-030 ≣E41It
21Gligoric Svetozar...2447Radojcic Miroslav1-033 ≣E41Ch Yugoslavia
34Rossolimo Nichola...2450Golombek Harry (ENG)23201-022 ≣E41It
695Santos Marcus Vin...2334Rosito Jorge (ARG)24031-032 ≣E41It06 Aug 2004
863Patzelt Nikolaus ...1876Bonk Andras (GER)18591-052 ≣E41Memorial Karl Mal...11 Jul 2010
619Berg Kurt M (NOR)Royset Paal (NOR)22570-170 ≣E41It (open)
414Wills ColinGilmour Duncan1-041 ≣E41Ch Belconnen
893Dupre Paul Donald...2037Arkell Keith C (ENG)24090-114 ≣E41It (open)27 May 2011
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
700Tregubov Vadim (UKR)2390Yaremko Nazar (UKR)22030-140 ≣E41Ch Ukraine (junio...
513Dreyer Martin (NZL)2310Tissir Mohamed (MAR)24540-124 ≣E41Olympiad
38Najdorf Miguel (POL)2445Matanovic Aleksan...24901-036 ≣E41It
2Rjumin N (RUS)Panov Vasily N (RUS)1-042 ≣E41Ch URS
9Kotov Alexander A...2500Lisitsyn Georgy (...1-033 ≣E41Ch URS
18Sajtar Jaroslav (...Kottnauer Cenek (...23701-032 ≣E41Memorial K.Treybal
25Najdorf Miguel (POL)2445Bolbochan Julio (...24401-038 ≣E41It
31Bolbochan Jacobo ...Luckis Marcos22700-159 ≣E41It
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
931Janzelj Lara1745Brankovic Slavoljub19201-066 ≣E41Ch Central Serbia...10 Jul 2012
514Khairunnisa W (MAS)1967Mouradian Knarik ...21851-042 ≣E41Olympiad (w)
857Gongora Maikel (CUB)2468Morales Rolando (...22651-042 ≣E41Memorial J.Capabl...16 Jun 2010
875Galojan Lilit (ARM)2389Ambartsumova Kari...23091-0114 ≣E41It (w)
634Cvetkovic Ivana (...Franciskovic Bork...20501-053 ≣E41Ch Croatia (team)...
524Punteri Marco (ITA)2049De Bortoli Peter ...21831-027 ≣E41Ch Italy (juniors)
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
856Doelker Kai (GER)1723Gruenter Martin (...21780-126 ≣E41Ch Germany (junio...06 Jun 2010
500Einarsson Bergste...2175Kristjansson Stef...24851-035 ≣E41It (open)
656Deruelle Sala Alb...2158Lozano Arribas Ca...21880-142 ≣E41It (open)
801Yurkov Alexey (UKR)2174Minenko Andrey (RUS)23261-052 ≣E41Ch Ukraine (junio...02 Oct 2008
571Andrade Romo Anib...2034Bastidas Rodrigue...22450-119 ≣E41Tournament \18 Sep 1998
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
267Szabo Laszlo (HUN)1903Lein Anatoly (USA)25350-142 ≣E41?
771Usoltseva Polina ...1842Dzemliuk Elena1-050 ≣E41Ch Ukraine (junio...18 Nov 2007
243Dittmann Hans-Ado...2170Groenegres Wilfri...21340-142 ≣E41It (b)
581Sanchez BenitoCaselas Cabanas J...23160-128 ≣E41It (open)
60Ciejka TadeuszBalcarek Wiktor0-162 ≣E41It
83Gligoric Svetozar...2447Bolbochan Jacobo ...1-045 ≣E41It
412Karsa Laszlo (HUN)2346Adorjan Andras (HUN)25500-131 ≣E41It (open) (active)
504Sutter TobiasRehl Danny (GER)21971-037 ≣E41Badische ch (juni...
29Averbakh Yuri L (...2445Kan Ilia Abramovich0-137 ≣E41Memorial N.Riumin
8Gotthilf SVasiliev (RUS)0-149 ≣E41Ch \
786Hasanova Turkan (...1897Timman Jan H (NED)25800-143 ≣E41Cup President13 May 2008
16Lilienthal Andor ...2385Kottnauer Cenek (...23701-015 ≣E41Match \
775Ipatov Alexander ...2265Golubka Petr (UKR)22701-051 ≣E41Ch Ukraine (junio...06 Dec 2007
538Manakova Maria (SRB)2345Peptan Corina-Isa...24601-052 ≣E41Ch Yugoslavia (te...
22Lilienthal Andor ...2385Smyslov Vassily (...24941-044 ≣E41Tournament
433MacKay Ian D (SCO)2289Motwani Paul (SCO)24940-173 ≣E41Ch Scotland
30Mastichiadis FMoudzouneas N1-027 ≣E41Ch Greece
719Longa Yauca Javie...2324Rivas Pastor Manu...24610-157 ≣E41It (open)25 Aug 2005
269Barbero Gerardo F...2441Panno Oscar (ARG)25400-144 ≣E41It (open)
699Santos Marcus Vin...2334Tsuboi Edson Kenj...23871-059 ≣E41It (cat.5)17 Oct 2004
750Ganaus Hannes (AUT)2326Slaby Jerzy (POL)24370-155 ≣E41It (open)29 Dec 2006
200Tabakiernik WLambshire MV0-140 ≣E41Ch Great Britain
522Jetzl Joerg (AUT)2203Lopushnoy Denis (...23850-120 ≣E41It (cat.3)
526Manakova Maria (SRB)2345Saunina Ludmila (...22601-060 ≣E41Ch Russia (w)
905Yefimov Mstislav ...2168Szymanski Marcin ...24160-147 ≣E41It (open)06 Aug 2011
465Herraiz Hidalgo H...2260Sanz Alonso Franc...23901-049 ≣E41Ch Spain (team)
684Eriksson Johan (SWE)2423Lappalainen Tommy...21881-024 ≣E41Cup Rilton
661Nuber Blasius (GER)2303Ulmer Micha (GER)19591-072 ≣E41Ch Germany (junio...
687Pushin Vladimir (...2231Kiselev Vitaliy (...21621-035 ≣E41Ch Russia (junior...
171Kanko Ilkka (FIN)2231Ofstad Per (NOR)21821-028 ≣E41Zt
449Cerpa Deniz Jose ...2085Dominguez Santas ...0-146 ≣E41It (open)
540Vladimirov Boris ...2340Abzhirko Nikolay ...20571-047 ≣E41It (seniors)
283Kretschmar HeinzDubinin Peter V (...0-138 ≣E41corr.
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
416Gokhale J Tratar ...Fish Gennadij (GER)24400-154 ≣E41Ch World (juniors...
332Vokac Marek (CZE)2471Damjanovic Mato (...23030-151 ≣E41It \
1Rellstab Ludwig S...2265Pahl Kurt1-012 ≣E41
574Andersen Ejnar (DEN)2111Petersen Steen (DEN)21660-126 ≣E41Tournament
703Regis Georg (GER)2129Schmidt Gerhard (...20621-065 ≣E41Oberliga East B 2...14 Nov 2004
134Cintron RafaelCardoso Radolfo T...23300-142 ≣E41Olympiad
383Winiwarter Felix ...2176Titz Heimo (AUT)22021-062 ≣E41Staatsliga
58Brunet PhilipZalys Ignas0-160 ≣E41Match
335Ilic Dragan B (SRB)2266Busch Wladimir1-028 ≣E41It (open)
135Pasman MarksKlasups Karlis1-040 ≣E41Ch Riga
304McCambridge Vince...2465Contin Daniel (ITA)22301-044 ≣E41Ch World (team) (...
321Ezeokoli MMartin Benjamin (...23750-151 ≣E41Ch World (juniors...
780Olarasu Ioana (ROM)1820Baciu Anca-Otilia...21770-134 ≣E41Ch Romania (w)25 Feb 2008
342Hill Robin (AUS)2175Parsonage Ian (AUS)22151-076 ≣E41Ch Australia
142Baturinsky Victor...Estrin Yakov B (RUS)24500-151 ≣E41Ch URS (corr.)
382Winiwarter Felix ...2176Gerhold Michael (...22511-035 ≣E41Staatsliga
173Averbakh Yuri L (...2445Matanovic Aleksan...24900-172 ≣E41Match \
65Aleman Dovo MiguelGonzalez0-136 ≣E41It