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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
620Abeln Michiel (NED)2380Thorfinnsson Brag...23870-138 ≣E47Cup European Club10 Oct 2006
504Aboud Firas (SYR)2310Aboudi M (JOR)21661-042 ≣E47Ch Asian Cities (...
683Ahlander Bjorn (SWE)2423Ulfarsson Magnus ...23800-139 ≣E47Ch Iceland (team)...26 Sep 2009
457Akhsharumova Anna...2340Einarsson Bergste...21750-136 ≣E47It (open)
516Albarran Gustavo ...2255Martello J A (ARG)1-034 ≣E47It \
515Albarran Gustavo ...2255Vazquez Maximilia...21311-050 ≣E47Ch Superior Torre...
535Ali Bin Ali (UAE)2175Ghorbani Mohsen (...23170-133 ≣E47Ch Asian Cities (...
377Allacher Erwin (AUT)2124Wutte H20101-026 ≣E47Staatsliga B
347Also LuisMartin Fernandez ...21561-019 ≣E47It (open)
708Anand Viswanathan...2800Bacrot Etienne (FRA)27161-033 ≣E47It \30 Oct 2010
370Anapolsky Sergey ...2407Ostojic Nikola (SRB)24461-039 ≣E47Match \
317Andersson NiklasChmiel T (POL)0-132 ≣E47Cup Baltic (corr.)
662Andreev Stanislav...2097Nikolova Adriana ...22810-119 ≣E47It \02 Nov 2008
643Andreev Stanislav...2097Nikolova Adriana ...22811-041 ≣E47It \24 Feb 2008
260Anton V (GER)Bunke Wilfried (GER)20901-046E47corr.
681Aronian Levon (ARM)2768Naiditsch Arkadij...26971-049 ≣E47Ch World (active)...
726Atalik Ekaterina ...2481Nikolova Adriana ...22681-032 ≣E47Ch Turkey (team)07 Jul 2011
420Atalik Suat (BIH)2535Karason Askell O ...22301-036 ≣E47It (open)
165Averbakh Yuri L (...2445Rozhdestvensky V1-048 ≣E47Ch URS (team)
501Babula Vlastimil ...2567Rigo Zsolt (SVK)22221-027 ≣E47Ch Slovakia
160Bachtiar Arovah (...2285Damjanovic Mato (...23030-140 ≣E47It \
654Baciu Stefan (ROM)2242Pop Alexandru (ROM)19660-136 ≣E47Tournament (open)20 Jul 2008
342Balashov Yuri S (...2540Rozentalis Eduard...24901-032 ≣E47Ch URS (1 liga) (...
222Ball Stephen (CAN)2225Dobrich Walter (CAN)22300-128 ≣E47Ch Canada
177Barczay Laszlo (HUN)2381Korchnoi Viktor (...25560-127 ≣E47Izt
339BaruckerPiekarz P1-022 ≣E47corr.
446Beliavsky Alexand...2620Lendwai Reinhard ...23701-039 ≣E47It (open)
224Beliavsky Alexand...2500Slutzky Leonid (ISR)23281-030 ≣E47Olympiad URS
586Belov Vladimir (RUS)2620Zhao Jun (CHN)25001-029 ≣E47It (open) \19 Feb 2005
707Ben Arzi Ido (ISR)2183Abasov Nijat Azad...25170-134 ≣E47Ch World (juniors...26 Oct 2010
741Ben Arzi Ido (ISR)2284Becking Franz-Jos...19560-138E47It (open) \29 Jan 2012
1Benko Pal C (USA)2408Szabo Laszlo (GER)22001-046 ≣E47
609Berkes Ferenc (HUN)2589Ilincic Zlatko (SRB)24511-035 ≣E47Ch Hungary (team)...12 Feb 2006
106Bertholdt DieterSzabo Laszlo (HUN)19031-029 ≣E47It
276Beutler MKuhn0-128 ≣E47corr.
706Bezemer Arno (NED)2318L'Ami Erwin (NED)26240-141 ≣E47It (open)22 Oct 2010
154Binkauskas BSalminsh Gedimins...0-139 ≣E47Cup Baltic (corr.)
714Biriukov Ilja (RUS)2410Kurilin Alexander...22711-032 ≣E47It (cat.6)20 Feb 2011
704Boettger Lukas (GER)2130Hummel Dennis (GER)20201-037 ≣E47Ch Germany (unive...09 Oct 2010
346Bokor Istvan (HUN)2226Horvath Csaba (HUN)24450-149 ≣E47It (open) \
582Braun Arik (GER)2480Iotov Valentin (BUL)24140-145 ≣E47Ch World (juniors...07 Nov 2004
247Brilla Banfalvi S...Gisbrecht Ewgeni ...24151-049 ≣E47Ch Europe (team) ...
244Brinck-Claussen B...2263Fries-Nielsen Jen...23871-042 ≣E47Ch Denmark
716Brodsky Michail (...2553De Verdier Michae...23861-050 ≣E47It (open)01 Mar 2011
10Bronstein David I...2432Porath Yosef (ISR)23401-049 ≣E47Olympiad
493Buhmann Rainer (GER)2386Schreiner Richard...21921-049 ≣E47Bundesliga (2nd) ...
34Burger Karl (USA)2310Evans Larry M (USA)24700-122 ≣E47Ch USA
743Burnett Jim (ENG)2137Hawkins Jonathan ...24800-147 ≣E47It (open)09 Mar 2012
340BuszlerJust Joachim (GER)20470-121 ≣E47corr.
763Byklum Bjornar (NOR)2298Vuilleumier Alex ...23261-049 ≣E47Cup European Club17 Oct 2012
686Byklum Bjornar (NOR)2310Grandelius Nils (...25150-142 ≣E47Ch Norway (team) ...06 Nov 2009
223CaridiCarrettoni1-026 ≣E47corr.
323CartensLaarhoven Thijs (...22110-143 ≣E47corr.
73Casas Fernando (ARG)2245Lombardy William ...24351-041 ≣E47It
345Cembran EzioDeforel Jorge Edu...1-041 ≣E47corr.
256Chandler Murray G...2380Speelman Jonathan...24700-144 ≣E47It
473Cherepkov Alexand...2395Leonidov Vitaly (...23651-026 ≣E47Memorial V.Zagoro...
752Chmelik Jiri (CZE)2069Jasny Stanislav (...18810-137 ≣E47It (open)19 Jun 2012
240Christoffel Marti...Sarosi Zoltan (HUN)22971-040 ≣E47Olympiad (corr.)
641Chuprikov Dmitry ...2404Belikov Vladimir ...25780-141 ≣E47Ch City09 Dec 2007
644Chuprikov Dmitry ...2443Rodin Dmitrij (RUS)24211-046 ≣E47Ch City06 Mar 2008
128Ciesla SKowalczyk R1-024 ≣E47Ch Poland (corr.)
597Claassen Chris (USA)2071Harper Warren (USA)23140-144 ≣E47Memorial Jerry Spann18 Jun 2005
480Cody Philip CMary Patrick0-145 ≣E47?
497Cody Philip CMurden Clive1-040 ≣E47corr. ICCF
191Colon Romero MiguelO'kelly De Galway...24600-136 ≣E47It
513Computer \Computer \1-047 ≣E47Tournament (compu...
505Computer \Computer \1-045 ≣E47It (computers)
375Computer \Computer \0-138 ≣E47Ch World (computers)01 Jan 1991
203Corleo GSchaetzel F0-124 ≣E47Ch Europe (corr.)
205Corleo MargheritaZlebcik L0-138 ≣E47Ch Europe (team) ...
127Cruz RaulLopez Bahamonde0-133E47Ch Argentina
294DadicUlkjar1-034 ≣E47corr.
316Danner Georg (AUT)2360Horvath Jozsef M ...21041-028 ≣E47?
701Del Rio Angelis S...2515Sanchez Gonzalez ...22881-046 ≣E47It (open)11 Sep 2010
755De Roode Peter (NED)2242L'Ami Erwin (NED)26150-136 ≣E47It (open)07 Jul 2012
512De Souza Mauro (BRA)2366Tsuboi Edson Kenj...23411-039 ≣E47Ch Paulista (final)
723Di Berardino Dieg...2483Aranha Filho Alva...23151-043 ≣E47Zt26 Jun 2011
55Dittmann SieghardSterner Olaf1-048 ≣E47It
545Divljan Igor (YUG)2165Gerzhoy Leonid (CAN)23800-147 ≣E47Ch World (juniors...
331Donaldson John W ...2390Dolgitser Konstan...22611-041 ≣E47It (open)
215Donner Jan-Hein (...2495Knaak Rainer (GER)25151-038 ≣E47It \
475Doyle JimGrant Alan (SCO)21860-134 ≣E47Ch West Scotland
278Dries JVlugt F (NED)19981-036 ≣E47corr.
220Dydyshko Viachesl...2512Begun Sergei M (BLR)22951-029 ≣E47?
279Easton Alex (SCO)2147Miles Jana0-135 ≣E47It (open)
221Emma Jaime (ARG)2405Link Hugo E (ARG)22751-048 ≣E47Tournament
85Emma Jaime (ARG)2395Shocron Ruben (USA)22591-037 ≣E47?
267Endzelins Lucius ...Bouwmeester Hans ...23430-144 ≣E47Memorial Perfors ...
155EngelArlamowski Jerzy ...1-045 ≣E47Cup Baltic (corr.)
415Erwes Theo (GER)2104Pioch Thomas (GER)21651-043 ≣E47Hessenliga 1993/94
151Farago Ivan (HUN)2488Dely Peter (HUN)23910-124 ≣E47Ch Hungary
158Farago Ivan (HUN)2488Pogats Jozsef (HUN)22301-028 ≣E47Ch Hungary
618Fedorovsky Michae...2346Czakon Jakub (POL)24860-139 ≣E47It (open)29 Jul 2006
361Felice AAlagna S1-032 ≣E47corr.
627Fernandez Gonzale...2044Hernandez Holden ...25660-146 ≣E47It (open)06 Apr 2007
547Ferrufino Boris (...2201Pecorelli Garcia ...24510-133 ≣E47It \
525Figueroa Tomas (CHI)2104Vasquez Rodrigo (...24680-123 ≣E47Memorial Pedro Do...
363Fiorito Fabian (ARG)2438Fernandez Murga R...22301-048 ≣E47Ch Argentina
418Fominyh Alexander...2505Granovski Aleksan...23401-037 ≣E47It (open)