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Nimzo-Indian, 4.e3, Main line 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 c5 7. 0-0 Nc6 8. a3 Bxc3+ 9. bxc3 dxc4

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
707Ben Arzi Ido (ISR)2183Abasov Nijat Azad...25170-134 ≣E47Ch World (juniors...26 Oct 2010
504Aboud Firas (SYR)2310Aboudi M (JOR)21661-042 ≣E47Ch Asian Cities (...
657Nikolaev Alexande...1986Abylkassymova Rau...18341-039E40Tournament (open) \05 Aug 2008
455Bjornsson Bjorn F...2230Addison James1-029 ≣E21It \
361Felice AAlagna S1-032 ≣E47corr.
352Cenni F1620Alagna S0-125 ≣E46corr.
210Pamperin Gerhard ...1999Albert Garrote Am...18681-028 ≣E47corr.
393Murdzia Piotr (POL)2472Aleksandrov Aleks...25050-143 ≣E47Ch Europe (juniors)
125Trmal Jaroslav (CZE)2184Altshul M1-035 ≣E47Ch Czechoslovakia
168Mecking Henrique ...2578Alvarez Jose_ (CUB)23681-022 ≣E47Zt
167Luckis Marcos2270Alvarez Jose_ (CUB)23680-126 ≣E47Zt
663Salem A R Saleh (...2476Amin Bassem (EGY)25601-037 ≣A40Ch Arabic Countries22 Dec 2008
89Gligoric Svetozar...2447Anderson Frank R ...1-042 ≣E46Olympiad
90Johannsson Ingi R...2410Anderson Frank R ...0-127 ≣A17Olympiad
21Vaitonis Paul (LTH)Anderson Frank R ...0-138 ≣E46Ch Canada
631Hoang Thi Bao Tra...2265Andriasian Siranu...22341-044 ≣E21Ch World (team) (w)21 May 2007
74Taimanov Mark E (...2386Antoshin Vladimir...22501-041 ≣E41Ch URS
45Furman Semen (RUS)2550Antoshin Vladimir...22500-146 ≣E41Ch URS
723Di Berardino Dieg...2483Aranha Filho Alva...23151-043 ≣E47Zt26 Jun 2011
155EngelArlamowski Jerzy ...1-045 ≣E47Cup Baltic (corr.)
79Lutikov Anatoly S...2515Aronson Lev (RUS)1-040 ≣E47Ch URS (1/2 final)
691Gaprindashvili Va...2404Arutinian David (...25780-145 ≣D31Cup Municipality20 May 2010
728Salem A R Saleh (...2489Ashwath R (IND)22491-036 ≣E41Ch World (juniors...07 Aug 2011
638Batsiashvili Nino...2313Babujian Levon (ARM)24280-133 ≣E21It (open)17 Sep 2007
708Anand Viswanathan...2800Bacrot Etienne (FRA)27161-033 ≣E47It \30 Oct 2010
565Navrotescu Catali...2410Bagheri Amir (FRA)24960-146 ≣E41Ch France (team) ...
528Prudnikova Svetla...2411Baginskaite Camil...23361-034 ≣E47Ch World FIDE (KO...
552Shipov Sergei (RUS)2604Bagirov Rufat (AZE)24940-136 ≣E10It (open) \
462Usachyi Vladimir ...2245Baklan Vladimir (...25700-130 ≣E41It (open)
640Kanakaris G (GRE)2236Bakos Balazs (HUN)24010-133 ≣E47Ch World (juniors...28 Nov 2007
429Iskusnyh Sergei (...2430Balashov Yuri S (...24900-147 ≣E47Ch Russia
551Khurtsidze Nino (...2433Balashov Yuri S (...25211-033 ≣A40It (open) \
416Lesiege Alexandre...2460Baragar Fletcher ...22851-047 ≣E47Ch Canada
246Lukacs Peter (HUN)2460Barczay Laszlo (HUN)24650-122 ≣E47Ch Hungary
666Piorun Kacper (POL)2457Bartel Mateusz (POL)26190-134 ≣D31Ch Poland05 Feb 2009
630Hesselbarth Karlh...1878Bauer Norbert (GER)21180-133 ≣E47It (open) \16 May 2007
544Westermayer Johan...1802Baumegger Siegfri...23500-132 ≣E47It (open)
741Ben Arzi Ido (ISR)2284Becking Franz-Jos...19560-138E47It (open) \29 Jan 2012
220Dydyshko Viachesl...2512Begun Sergei M (BLR)22951-029 ≣E47?
271Gerusel Mathias (...2395Behle Karl-Willi ...22561-028 ≣E41Bundesliga (2nd) ...
116Goldenberg EdgardoBehrensen Jorge (...23251-040 ≣E47Ch Argentina
564Pavlovic Milos (SRB)2481Beliavsky Alexand...26600-124 ≣E47Ch Slovenia (team)
419Jussupow Artur (GER)2655Beliavsky Alexand...26400-139 ≣E47It
641Chuprikov Dmitry ...2404Belikov Vladimir ...25780-141 ≣E47Ch City09 Dec 2007
610Muir Andrew J (SCO)2341Bellia Fabrizio (...23950-136 ≣E47It (cat.7)17 Feb 2006
387Janssen Ger (NED)2228Bellin Robert (ENG)23850-136 ≣E47It (open)
229Svensson Gert (SWE)2215Bengtsson Bo (SWE)23000-138 ≣E47Ch Sweden
335Hinchey CBenjamin Joel (USA)25600-132 ≣E47It (open)
350Kozma Julius (CSR)2380Beran Josef (CZE)22700-146 ≣E47Ch Czechoslovakia...
563Jakab Attila (HUN)2402Berczes Csaba (HUN)24191-039 ≣E47It (cat.2)
322Pohl Walter (GER)2123Bernard H0-126 ≣E47corr.
140Herren WalterBernhardt Rolf (GER)22880-140 ≣E41It
605Rosin Federico (ITA)2143Bevilacqua Mauriz...21721-044 ≣E41It (open)20 Nov 2005
135Sanguinetti Raul ...2485Bielicki Carlos (...23151-040 ≣E41It
450Lyrberg Patrik (SWE)2415Bilalic Merim (BIH)22810-129 ≣E41Ch World (juniors...
751Kharitonov Alexan...2547Biriukov Nikolai ...24201-032 ≣E47It (open)18 Jun 2012
447Van Den Bergh Jan...2068Bjarnason Saevar ...22850-135 ≣E11It (open)
218Miettinen ReinoBjorkqvist Armas1-028 ≣E47corr.
602Dias Paulo (POR)2306Blalock Rex (USA)22181-036 ≣E10It (open)03 Nov 2005
81Yepez Olavo (ECU)2305Blatny Frantisek ...21120-123 ≣E41Ch World (team) (...
113Minev Nikolay N (...2370Blatny Frantisek ...21120-137 ≣E41It
131Hybl Jaroslav (CZE)2172Blatny Frantisek ...21120-133 ≣E47Ch Czechoslovakia
65Herink Miroslav (...2071Blatny Frantisek ...21121-038E41It
114Polugaevsky Lev A...2585Blatny Frantisek ...21121-046 ≣E41It
77SehlstedtBlatny Frantisek ...21120-141 ≣E41Olympiad (student...
427Storkebaum Karl H...Bockius Albert (GER)21621-034 ≣E46Memorial Weber (o...
255Webb Simon (ENG)2420Boehlig Heinz Dr ...22371-049 ≣E47It \04 Jun 1978
4Martin Pedro (ARG)2021Bolbochan Julio (...24400-132 ≣E47Zt
614Sondermann Johann...2152Bolvary Tamara (HUN)20610-131 ≣E47Tournament (Elo) (a)07 Apr 2006
496Balogh JBoros Laszlo (HUN)19190-139 ≣E41Ch Hungary (team)...
583Zakharchenko Arno...2273Borsuk Konstantin...22521-039 ≣E47Ch Kiev21 Jan 2005
267Endzelins Lucius ...Bouwmeester Hans ...23430-144 ≣E47Memorial Perfors ...
182Kausek KBubenik J1-037 ≣E47?
309Goehring Karl-Hei...2335Budde Vladimir (GER)22911-043 ≣A40Bundesliga 1984/85
700Zilka Stepan (CZE)2479Bugalski Michal (...22401-033 ≣E47It (open)08 Aug 2010
260Anton V (GER)Bunke Wilfried (GER)20901-046E47corr.
732Rasmussen Henning...2172Byrne Ray (IRL)20540-143 ≣E10Cup European Club26 Sep 2011
12Moisieev Oleg L (...2385Byvshev Vasily Mi...1-034 ≣E41Ch URS
175Neumann AbrahamCabezudo Carlos1-026 ≣E46Ch World (juniors...
357MrazCallens Alex22001-045 ≣E47Ch Europe (corr.)
318GarciaCampeert Julien (...19941-022 ≣E46Cup Latin (corr.)
529Santa Luis A (PUR)2161Campora Daniel H ...25360-121 ≣E47It (open)
252Boudy Julio (CUB)2188Campos Lopez Mari...23551-042 ≣E41It
623D'apa Matteo (ITA)2026Cardani Roberto (...19031-050 ≣E21Memorial Crespi (...08 Dec 2006
573Biswas KarlCarlucci Paul A0-150 ≣E41It (open) \23 Oct 2003
134Luckis Marcos2270Caro1-042 ≣E47Ch Pan-American
223CaridiCarrettoni1-026 ≣E47corr.
94Ravn PalleCatozzi H0-133 ≣E47Olympiad
64Thorbergsson Frey...2340Catozzi Henry (FRA)1-042 ≣E47Olympiad20 Sep 1956
437Ruzzier Dario (ITA)1981Ceresoli Luigi (ITA)22020-145 ≣E47It (open)
317Andersson NiklasChmiel T (POL)0-132 ≣E47Cup Baltic (corr.)
533Zolotov Bogdan (RUS)2207Chuiko Alexander ...24130-141 ≣E40Ch Tula Region (o...
334Zsinka Laszlo (HUN)2286Cladouras Panagio...23701-041 ≣E47It
104Donner Jan-Hein (...2430Clarke Peter H (ENG)23001-032 ≣E41Match \
513Computer \Computer \1-047 ≣E47Tournament (compu...
505Computer \Computer \1-045 ≣E47It (computers)
375Computer \Computer \0-138 ≣E47Ch World (computers)01 Jan 1991
557Computer \Computer \0-150 ≣E46It (computers)
754Peralta Fernando ...2602Cori T Deysi (PER)23861-031 ≣E47It (open)03 Jul 2012
372Cacho Reigadas Se...2524Corral Blanco Jua...24361-030 ≣E40It (active)