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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
638Batsiashvili Nino...2313Babujian Levon (ARM)24280-133 ≣E21It (open)17 Sep 2007
588Porat Shi (ISR)2444Greet Andrew (ENG)24281-039 ≣E47It (cat.7)09 Mar 2005
36Simagin Vladimir ...Gipslis Aivars (LAT)24290-143 ≣A17Ch URS (team)
408Alipayo Rodulfo (...2380Hergott Deen (CAN)24300-127 ≣A05It (open) \
188Taimanov Mark E (...2386Platonov Igor V (...24301-037 ≣E47Ch URS
161Bachtiar Arovah (...2285Donner Jan-Hein (...24300-144 ≣E41It \
17Najdorf Miguel (POL)2445Reshevsky Samuel ...24300-135 ≣E41Match
566Bromberger Stefan...2440Loeffler Stefan (...24320-130 ≣E40Bundesliga 2002/03
76Dittmann SieghardOlafsson Fridrik ...24340-140 ≣E41Olympiad (student...
574Garcia Gata Jorge...2021Dimitrov Vladimir...24340-126 ≣E47Memorial Narciso ...
60Uhlmann Wolfgang ...2434Olafsson Fridrik ...24340-130 ≣A17Olympiad10 Sep 1956
503Rogers Ian (AUS)2574Solomon Stephen J...24351-041 ≣E47It (cat.10)
73Casas Fernando (ARG)2245Lombardy William ...24351-041 ≣E47It
531Motuz Karol (SVK)2354Markos Jan (SVK)24350-137 ≣E47Extra League 2001/02
757Meins Gerlef (GER)2475Poetsch Hagen (GER)24361-041 ≣E47It \14 Jul 2012
761Spindelboeck Gern...2227Sakelsek Tadej (SLO)24361-026 ≣E46It (open)26 Aug 2012
372Cacho Reigadas Se...2524Corral Blanco Jua...24361-030 ≣E40It (active)
287Gomez AmalioCorral Blanco Jua...24360-144 ≣E47Ch Asturias (team)
4Martin Pedro (ARG)2021Bolbochan Julio (...24400-132 ≣E47Zt
288Knaak Rainer (GER)2490Prandstetter Edua...24401-027 ≣E47Ch Czechoslovakia...
332Lalic Bogdan (ENG)2485Ortega Lexy (ITA)24401-040 ≣E47It (cat.11)
315Gil Capape Javier...2444Murshed Niaz (BAN)24421-037 ≣E47Ch World (juniors...
611Iotov Valentin (BUL)2503Petkov Vladimir (...24431-031 ≣E47Ch Bulgaria
466Zilberman Yaacov ...2560Tsesarsky Ilya (ISR)24451-030 ≣E41Tournament
284Olafsson Helgi (ISL)2270Zaltsman Vitaly F...24451-036 ≣A17It (open)
56Wexler FranciscoNajdorf Miguel (POL)24450-143 ≣A17It
43Idigoras GregorioNajdorf Miguel (POL)24450-139 ≣E41Ch Argentina
481Nesic Nebojsa (SRB)2175Ostojic Nikola (SRB)24450-138 ≣E47It (cat.8)
346Bokor Istvan (HUN)2226Horvath Csaba (HUN)24450-149 ≣E47It (open) \
370Anapolsky Sergey ...2407Ostojic Nikola (SRB)24461-039 ≣E47Match \
216Knaak Rainer (GER)2515Garcia Gonzales G...24501-042 ≣E41Memorial J.Capabl...
2Gligoric Svetozar...2447Rossolimo Nichola...24501-041 ≣E41It
378Winiwarter Felix ...2176Unzicker Wolfgang...24500-149 ≣E47Ch World (seniors)
472Kostin Sergei (RUS)2290Tunik Gennady (RUS)24500-147 ≣E41Cup Russia (open)
187Teschner Rudolf (...2295Rossolimo Nichola...24500-140 ≣E47It
616Jakab Attila (HUN)2402Ilincic Zlatko (SRB)24510-130 ≣E40It (cat.7)07 Jun 2006
609Berkes Ferenc (HUN)2589Ilincic Zlatko (SRB)24511-035 ≣E47Ch Hungary (team)...12 Feb 2006
547Ferrufino Boris (...2201Pecorelli Garcia ...24510-133 ≣E47It \
61Taimanov Mark Ye....2387Darga Klaus Vikto...24531-031 ≣A17Olympiad12 Sep 1956
52Taimanov Mark E (...2386Darga Klaus (GER)24531-027 ≣A17It
517Graf Alexander (GER)2610Zeller Frank (GER)24530-139 ≣E40It (open)
286Knaak Rainer (GER)2505Tischbierek Raj (...24541-042 ≣E41It
355Foldi Istvan (HUN)2285Schmittdiel Eckha...24550-136 ≣E41Memorial Elekes
227Taimanov Mark E (...2580Zaichik Gennadi (...24571-039 ≣E21Olympiad URS
250Lerner Konstantin...2515Zaichik Gennadi (...24571-041 ≣E41Memorial V.Karsel...
191Colon Romero MiguelO'kelly De Galway...24600-136 ≣E47It
9Germek MilanO'kelly De Galway...24600-134 ≣E41It
465Schoen Wolfram (GER)2410Hall Jesper (SWE)24600-140 ≣E47Bundesliga (2nd) ...
176Diez Del Corral J...2415O'kelly De Galway...24600-144 ≣E41It
750Shiva Ravi Pillai...1861Podolchenko Evgen...24640-127 ≣E46Cup Mayors (open)10 Jun 2012
246Lukacs Peter (HUN)2460Barczay Laszlo (HUN)24650-122 ≣E47Ch Hungary
699Lund Esben (DEN)2401Sammalvuo Tapani ...24651-040 ≣A40Memorial Heini Ol...24 Jul 2010
617Ganaus Hannes (AUT)2326Papp Gabor (HUN)24660-132 ≣E47It (open)14 Jul 2006
525Figueroa Tomas (CHI)2104Vasquez Rodrigo (...24680-123 ≣E47Memorial Pedro Do...
256Chandler Murray G...2380Speelman Jonathan...24700-144 ≣E47It
66Gligoric Svetozar...2447Evans Larry M (USA)24701-039 ≣E21It
440Giddins Stephen (...2345Kaspi Alexander (...24700-129 ≣E47Cup European Club
34Burger Karl (USA)2310Evans Larry M (USA)24700-122 ≣E47Ch USA
181Cherepkov Alexand...2395Tseshkovsky Vital...24720-141 ≣E41Ch URS
577Gonzalez Garcia J...2447Hernandez Holden ...24731-033 ≣E47Memorial J.Capabl...12 May 2004
569Ramirez Alejandro...2519Hernandez Holden ...24731-039 ≣E46Memorial C.Torre ...
601Peralta Fernando ...2538Papp Gabor (HUN)24740-125 ≣E47It (open)24 Oct 2005
717Sokolov Ivan (NED)2673Sammalvuo Tapani ...24771-034 ≣E47It (open)13 Mar 2011
711Sagar Shah (IND)2298Venkatesh M R (IND)24791-045 ≣E47It (open)19 Jan 2011
373Gulko Boris F (USA)2565Gruenfeld Yehuda ...24801-033 ≣E47It (open)
483Kveinys Aloyzas (...2545Nikcevic Nebojsa ...24801-035 ≣A13It (open)
743Burnett Jim (ENG)2137Hawkins Jonathan ...24800-147 ≣E47It (open)09 Mar 2012
238Knaak Rainer (GER)2520Timoscenko Gennad...24830-134 ≣E47?
596Ovod Evgenija (RUS)2366Kosintseva Nadezh...24860-135 ≣E47Ch Europe (w)14 Jun 2005
618Fedorovsky Michae...2346Czakon Jakub (POL)24860-139 ≣E47It (open)29 Jul 2006
637Nikolov Sasho (BUL)2409Nikolov Momchil (...24890-122 ≣E47Memorial Kesarovs...13 Sep 2007
470Burlov Vassili (RUS)2345Nikolenko Oleg (RUS)24900-143 ≣E41Ch Moscow
6Nikolac Juraj (CRO)2438Matanovic Aleksan...24900-128 ≣E41Ch Yugoslavia
429Iskusnyh Sergei (...2430Balashov Yuri S (...24900-147 ≣E47Ch Russia
198Bjerre Troels (DEN)2320Hamann Svend (DEN)24900-130 ≣E40Tournament
342Balashov Yuri S (...2540Rozentalis Eduard...24901-032 ≣E47Ch URS (1 liga) (...
164Szabo Laszlo (HUN)1903Matanovic Aleksan...24901-033 ≣E41Match \
37Milic Borislav (YUG)Matanovic Aleksan...24900-140 ≣E41Match
13Kotov Alexander A...2500Matanovic Aleksan...24901-041 ≣E41Izt
115Donner Jan-Hein (...2430Matanovic Aleksan...24900-137 ≣E41It
369Norri Joose (FIN)2291Hall Jesper (SWE)24931-042 ≣E47It (open)
552Shipov Sergei (RUS)2604Bagirov Rufat (AZE)24940-136 ≣E10It (open) \
390Kjeldsen Jens (DEN)2365Tolnai Tibor (HUN)24950-131 ≣E47It (open)
388Tsevremes Ioannis...1955Tolnai Tibor (HUN)24950-133 ≣E47It (open)
565Navrotescu Catali...2410Bagheri Amir (FRA)24960-146 ≣E41Ch France (team) ...
586Belov Vladimir (RUS)2620Zhao Jun (CHN)25001-029 ≣E47It (open) \19 Feb 2005
46Furman Semen (RUS)2550Kotov Alexander A...25001-037 ≣E41Ch URS
23Geller Efim P (RUS)2455Kotov Alexander A...25000-142 ≣E41Tournament (candi...
508Kantsler Boris (ISR)2524Gershon Alik (ISR)25021-030 ≣E47Ch Israel (team)
682Rees Ioan (WLS)2339Pap Gyula (HUN)25030-146 ≣E10It (cat.8)03 Aug 2009
696Lahiri Atanu (IND)2341Savic Miodrag R (...25030-143 ≣E41It (open)12 Jul 2010
570Kaidanov Gregory ...2611Lerner Konstantin...25041-039 ≣E47It (open) \
626Grigoriants Serge...2591Dgebuadze Alexand...25051-034 ≣E47It (open)09 Mar 2007
393Murdzia Piotr (POL)2472Aleksandrov Aleks...25050-143 ≣E47Ch Europe (juniors)
283Goehring Karl-Hei...2335Unzicker Wolfgang...25100-139 ≣E47Bundesliga 1982/83
436Sjoberg Mats (SWE)2450Kveinys Aloyzas (...25150-136 ≣E47It (open)
686Byklum Bjornar (NOR)2310Grandelius Nils (...25150-142 ≣E47Ch Norway (team) ...06 Nov 2009
215Donner Jan-Hein (...2495Knaak Rainer (GER)25151-038 ≣E47It \
542Johannessen Leif ...2527Jenni Florian (SUI)25161-029 ≣A15Bundesliga 2002/03
707Ben Arzi Ido (ISR)2183Abasov Nijat Azad...25170-134 ≣E47Ch World (juniors...26 Oct 2010