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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
674Nikolov Sasho (BUL)2416Nikolov Momchil (...25170-136 ≣E47Ch Bulgaria (team)09 May 2009
587Iljushin Alexei (...2546Wang Hao (CHN)25190-144 ≣E47It (open) \20 Feb 2005
467Karayannis Athana...2245Nikolaidis Ioanni...25200-143 ≣E41It (open)
31PasmanTal Mikhail N (LAT)25200-133 ≣E47Ch Latvia
551Khurtsidze Nino (...2433Balashov Yuri S (...25211-033 ≣A40It (open) \
580Jovic Stevan (SRB)2080Ilincic Zlatko (SRB)25220-125 ≣E47Ch Vojvodina (team)26 Sep 2004
621Pogorelov Ruslan ...2462Hernandez Holden ...25240-139 ≣E47It (open)11 Oct 2006
468Pieniazek Artur (...2415Luther Thomas (GER)25250-136 ≣A40It (open) (a)
469Computer \Luther Thomas (GER)25250-146 ≣A40It (cat.7)
642Potkin Vladimir (...2613Kiselev Vitaliy (...25271-035 ≣E47It (open)07 Feb 2008
251Rodriguez Orestes...2485Olafsson Fridrik ...25300-126 ≣E41It (cat.10)
498Mihelakis GeorgiosGelashvili Tamaz ...25311-019 ≣E47It (open)
230Lombard Andre (SUI)2350Unzicker Wolfgang...25351-038 ≣E47Ch Switzerland
324Knaak Rainer (GER)2505Georgiev Kiril (MKD)25351-038 ≣E47Match \
435Kovacic Peter (SLO)2173Dizdar Goran (CRO)25350-150 ≣E47It (open)
400Sherbakov Ruslan ...2580Kupreichik Viktor...25351-035 ≣E47It \
529Santa Luis A (PUR)2161Campora Daniel H ...25360-121 ≣E47It (open)
537Niklasch Oliver (...2324Kveinys Aloyzas (...25410-132 ≣E47It (open)
744Timofeev Artyom (...2659Grandelius Nils (...25451-046 ≣E47Ch Europe28 Mar 2012
633Tadic Branko (SRB)2484Ilincic Zlatko (SRB)25450-141 ≣E47Ch Bosnia & Herze...10 Jun 2007
603Radziewicz Iweta ...2453Turov Maxim (RUS)25460-120 ≣E41It (cat.7)06 Nov 2005
558Martinez Fernande...2001Lalic Bogdan (ENG)25470-138 ≣D02It (open)
703Pesqueira Jose (ARU)1982Dzhumabayev Rinat...25470-135 ≣E41Olympiad21 Sep 2010
521Graf Alexander (GER)2610Kveinys Aloyzas (...25471-030 ≣E47Bundesliga 2000/01
506Kunz Konstantin (...2186Luther Thomas (GER)25470-146 ≣E47It (open)
166Petrosian Tigran ...2580Spassky Boris V (...25481-041 ≣E47Ch World (match)
47Furman Semen (RUS)2550Spassky Boris V (...25481-029 ≣E41Ch URS
40Schweber Samuel (...2348Spassky Boris V (...25480-135 ≣E41Ch World (juniors...
39Jorgensen Vagn RauheSpassky Boris V (...25480-133 ≣E41Ch World (juniors...
688Zilberman Yaacov ...2439Lerner Konstantin...25490-133 ≣E47Memorial L.Slutsk...19 Dec 2009
628Lorens Ristovic L...2035Jovanovic Zoran (...25490-143 ≣A17Cup Belgrade 2007...11 Apr 2007
687Grotnes Nils (NOR)2232Johannessen Leif ...25530-142 ≣E47Ch Norway (team) ...06 Nov 2009
678Murillo Alexis (CRC)2310Iturrizaga Eduard...25550-146 ≣E40Zt24 Jun 2009
177Barczay Laszlo (HUN)2381Korchnoi Viktor (...25560-127 ≣E47Izt
491Gual Pascual Anto...2433Kolev Atanas (BUL)25580-141 ≣E47It (open)
663Salem A R Saleh (...2476Amin Bassem (EGY)25601-037 ≣A40Ch Arabic Countries22 Dec 2008
335Hinchey CBenjamin Joel (USA)25600-132 ≣E47It (open)
265Podgaets Mikhail ...2450Romanishin Oleg M...25601-049 ≣E41?
263Keene Raymond D (...2455Romanishin Oleg M...25600-140 ≣E41?
625Henrichs Thomas (...2498Prusikin Michael ...25640-126 ≣E47Ch Germany23 Jan 2007
749Korobov Anton (UKR)2679Swiercz Dariusz (...25651-045 ≣E47Match \29 May 2012
434Vaisser Anatoly (...2555Petursson Margeir...25651-026 ≣E47It (open)
627Fernandez Gonzale...2044Hernandez Holden ...25660-146 ≣E47It (open)06 Apr 2007
462Usachyi Vladimir ...2245Baklan Vladimir (...25700-130 ≣E41It (open)
527Graf Alexander (GER)2610Sulskis Sarunas (...25711-031 ≣E47Ch World FIDE (KO...
709Gonzalez Manchon ...2091Kolev Atanas (BUL)25710-134 ≣E46It (open)04 Dec 2010
253Portisch Lajos (HUN)2630Sosonko Gennadi (...25751-038 ≣E41It (cat.14)
541Babula Vlastimil ...2581Luther Thomas (GER)25751-033 ≣A40Bundesliga 2001/02
691Gaprindashvili Va...2404Arutinian David (...25780-145 ≣D31Cup Municipality20 May 2010
169Schweber Samuel (...2348Mecking Henrique ...25781-039 ≣E41Tournament
641Chuprikov Dmitry ...2404Belikov Vladimir ...25780-141 ≣E47Ch City09 Dec 2007
509Van Beers Eddy (BEL)2346Kolev Atanas (BUL)25820-143 ≣E47Olympiad
632Iotov Valentin (BUL)2509Kuzubov Yuriy (UKR)25821-045 ≣E41It \07 Jun 2007
735Lund Stale (NOR)1848Swiercz Dariusz (...25850-119E47It (open)03 Nov 2011
211Rajkovic Dusan (SRB)2415Hort Vlastimil (GER)25901-034 ≣E47It
702Zhukova Natalia (...2499Koneru Humpy (IND)25931-047 ≣D31Ch World (blitz) ...18 Sep 2010
489Potapov Alexander...2241Filippov Valerij ...25951-045 ≣E41Cup Russia
562Pelletier Yannick...2589Lutz Christopher ...25961-041 ≣E47It (cat.16)
694Potkin Vladimir (...2630Corrales Fidel (CUB)25991-035 ≣E40Memorial J.Capabl...16 Jun 2010
534Kramnik Vladimir ...2809Tiviakov Sergei (...25991-038 ≣E47It (cat.19)
680Mareco Sandro (ARG)2503Corrales Fidel (CUB)26020-142E10Ch Continental Am...30 Jul 2009
671Macias Murillo Br...2335Fier Alexander Hi...26041-033 ≣E47Ch South America ...11 Apr 2009
724Kovalenko Igor (UKR)2578Zubarev Alexander...26081-031 ≣E47Memorial A.Ermak ...01 Jul 2011
490Sturua Zurab (GEO)2602Tiviakov Sergei (...26111-045 ≣E47Cup European Club...
755De Roode Peter (NED)2242L'Ami Erwin (NED)26150-136 ≣E47It (open)07 Jul 2012
417Gelfand Boris (ISR)2680Korchnoi Viktor (...26150-137 ≣E41It (cat.16)
666Piorun Kacper (POL)2457Bartel Mateusz (POL)26190-134 ≣D31Ch Poland05 Feb 2009
706Bezemer Arno (NED)2318L'Ami Erwin (NED)26240-141 ≣E47It (open)22 Oct 2010
502Elsness Frode (NOR)2395Khenkin Igor (GER)26330-150 ≣E41Cup Rilton
425Knaak Rainer (GER)2540Korchnoi Viktor (...26351-023 ≣E47Cup Hofmann
419Jussupow Artur (GER)2655Beliavsky Alexand...26400-139 ≣E47It
585Lugovoi Aleksei (...2547Naiditsch Arkadij...26411-034 ≣E47It (open) \16 Feb 2005
619Pelletier Yannick...2588Volokitin Andrei ...26451-030 ≣E47It (cat.17)03 Aug 2006
665Sasikiran Krishna...2669Efimenko Zahar (UKR)26540-141 ≣E47It (cat.16)28 Jan 2009
433Ivanchuk Vassily ...2740Tiviakov Sergei (...26551-036 ≣E47It (cat.17)
564Pavlovic Milos (SRB)2481Beliavsky Alexand...26600-124 ≣E47Ch Slovenia (team)
698Ponomariov Ruslan...2749Naiditsch Arkadij...26741-046 ≣E47It (cat.20)23 Jul 2010
719Wojtaszek Radosla...2704Sasikiran Krishna...26890-140 ≣E47It (cat.18)17 May 2011
661Korobov Anton (UKR)2605Wang Hao (CHN)26960-135 ≣E47World Mindsports ...04 Oct 2008
681Aronian Levon (ARM)2768Naiditsch Arkadij...26971-049 ≣E47Ch World (active)...
708Anand Viswanathan...2800Bacrot Etienne (FRA)27161-033 ≣E47It \30 Oct 2010
196Karjarinta TapaniNurmi Toivo0-128 ≣E41?
249Kaarlonen KaarloMettinen Timo1-031 ≣E47?
689Shevtsov KirillTrifonov Aleksand...0-122 ≣E47Tournament (open)09 Jan 2010
111Letelier Rene (CHI)2151Redolfi1-049 ≣E41?
233Uimonen Matti (FIN)2098Lampinen Juha1-032 ≣E47?
172Kolarov Atanas S ...2415Sapunov Lilko1-028 ≣E41Ch Bulgaria01 Mar 1966
142Lampela OlaviEkblom PE (FIN)1-035 ≣A40?
25Taimanov Mark E (...2386Euwe Max (NED)0-141 ≣E41Tournament (candi...
92Ojanen Kaarle S (...2335Euwe Max (NED)0-131 ≣E41Olympiad
91Johannsson Ingi R...2410Safvat Y1-038 ≣A15Olympiad
48Vladimirov Boris ...2340Lisitsyn Georgy (...0-133 ≣E41Ch URS (1/2 final)
55Dittmann SieghardSterner Olaf1-048 ≣E47It
41Somers StafJorgensen Vagn Rauhe0-139 ≣E41Ch World (juniors...
736Petrov Mikhail (RUS)Schott Raimund (FRA)0-138 ≣E47Verbandsliga Bade...06 Nov 2011
748Schwalfenberg Joe...Maehrlein Christoph1-049 ≣A46Verbandsliga Bade...29 Apr 2012
100Bobotsov Milko G ...2405Kadrev Zdravko1-048A15Ch Bulgaria
204Pulieri PaoloMicka0-132 ≣E47Ch Europe (corr.)
96Prokhorovich Taras ERovner Dmitry Osi...1-048 ≣E47Tournament
299Gneusz WEichenberg1-034 ≣E41corr.