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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
72Taimanov Mark E (...2386Nedeljkovic Sreck...21881-034 ≣A17Match \
330Vogel Robert (GER)2256Waldow Frank1-034 ≣E41Bundesliga 1987/88
5Martin Pedro (ARG)2021Souza Mendes Joao1-034 ≣E41Zt
285Hoi Carsten (DEN)2390Norgaard Jesper (...24081-034 ≣E47Tournament
427Storkebaum Karl H...Bockius Albert (GER)21621-034 ≣E46Memorial Weber (o...
384Reading MichaelLittke Adam (CAN)23100-134 ≣E47It (open)
152Garcia Horacio2200Polo Gomez Vicent...22120-134 ≣E41Ch Buenos Aires
12Moisieev Oleg L (...2385Byvshev Vasily Mi...1-034 ≣E41Ch URS
443Sasata Robert (CAN)2279Ferguson Bobby (USA)22320-134 ≣E21It (open)
556Jasny Stanislav (...1858Machycek Lubomir ...22711-034 ≣E47It (open)
555Johannessen Leif ...2527Moen Andreas (NOR)22650-134 ≣A15It (cat.6)
717Sokolov Ivan (NED)2673Sammalvuo Tapani ...24771-034 ≣E47It (open)13 Mar 2011
299Gneusz WEichenberg1-034 ≣E41corr.
144Reshevsky Samuel ...2430Porath Yosef (ISR)23401-034 ≣E41Izt
650Medina Sanchez Gi...1711Ramirez Alvarez R...20360-134 ≣D31It (open)26 Apr 2008
294DadicUlkjar1-034 ≣E47corr.
156Harjunpaa VeikkoTschernauskas0-134 ≣E41Cup Baltic (corr.)
549Gutierrez Lopez C...2172Jimenez Ruiz Jose...19800-134 ≣A40Ch Malaga (qual)
211Rajkovic Dusan (SRB)2415Hort Vlastimil (GER)25901-034 ≣E47It
193Schmidt Waldemar ...2029Reimer Karl17040-134 ≣E46corr.
514Zuehlke Burkhard ...2173Ertl Rolf21601-034 ≣E47Bayern Regionalli...
238Knaak Rainer (GER)2520Timoscenko Gennad...24830-134 ≣E47?
543Muse Drazen (CRO)2442Ellers Holger (GER)24251-034 ≣A05Bundesliga 2002/03
626Grigoriants Serge...2591Dgebuadze Alexand...25051-034 ≣E47It (open)09 Mar 2007
676Miranda Yerisbel ...2194Garcia Pantoja Ro...23760-134 ≣E41Memorial J.Capabl...11 Jun 2009
102Spassky Boris V (...2548Ghitescu Theodor ...23841-034 ≣E21Ch World (students)
475Doyle JimGrant Alan (SCO)21860-134 ≣E47Ch West Scotland
269Luft Josef2155Grzeskowiak Felix1-034 ≣E47World Tournament ...
30Szabo Laszlo (HUN)1903Pogats Jozsef (HUN)22301-034 ≣E41Ch Hungary
753Ivana Maria Furtado2065Jargalmaa Sarantuya17731-034 ≣D02Ch Asia (juniors)...27 Jun 2012
119Borja MEuwe Max (NED)0-134 ≣E41Olympiad
389Bazan GerardoKanefsck Gustavo ...23731-034 ≣E41It (open)
718Tyn Ondrej1902Pavelek Karel (CZE)21550-134E21Czech League 2010...03 Apr 2011
71Taimanov Mark E (...2386Nedeljkovic Sreck...21881-034 ≣A17Match \
9Germek MilanO'kelly De Galway...24600-134 ≣E41It
173Lukic ArsenijeDamjanovic Mato (...23030-134 ≣E21It
356JerabekKubis0-135 ≣E47Ch Czechoslovakia...
576Verzhansky Alexan...2327Flyagin Dmitriy (...1-035 ≣E41Ch Russia (junior...
596Ovod Evgenija (RUS)2366Kosintseva Nadezh...24860-135 ≣E47Ch Europe (w)14 Jun 2005
449Voutilainen HannuIrvin Jimmy0-135 ≣E47?
578Vdovichenko Vladi...2219Kucherenko Daniil...23130-135 ≣E46Ch Ukraine (team)20 May 2004
78Panno Oscar (ARG)2438Rossetto Hector (...22851-035 ≣A17Zt
451Veenstra HylkeVan Hassel Rene0-135 ≣E47Ch Netherlands (t...
478Nor Igor (ISR)2280Seidl Juergen (GER)21701-035 ≣E41Memorial Karl Wag...
492Gislason IngolfurSteindorsson Sigu...20520-135 ≣E47It (open) \
40Schweber Samuel (...2348Spassky Boris V (...25480-135 ≣E41Ch World (juniors...
713Schnider Gert (AUT)2358Schwenk Andreas (...21301-035 ≣E11It (open)17 Feb 2011
400Sherbakov Ruslan ...2580Kupreichik Viktor...25351-035 ≣E47It \
609Berkes Ferenc (HUN)2589Ilincic Zlatko (SRB)24511-035 ≣E47Ch Hungary (team)...12 Feb 2006
703Pesqueira Jose (ARU)1982Dzhumabayev Rinat...25470-135 ≣E41Olympiad21 Sep 2010
694Potkin Vladimir (...2630Corrales Fidel (CUB)25991-035 ≣E40Memorial J.Capabl...16 Jun 2010
483Kveinys Aloyzas (...2545Nikcevic Nebojsa ...24801-035 ≣A13It (open)
381Siciarz JLewandowski K22001-035 ≣E47Ch Poland (corr.)
746Salinas Herrera P...2366Valiente Cristoba...22571-035 ≣E47It (cat.3)02 Apr 2012
376Hager Franz (AUT)2224Felsberger Alfred...23611-035 ≣E41Staatsliga 1991/92
661Korobov Anton (UKR)2605Wang Hao (CHN)26960-135 ≣E47World Mindsports ...04 Oct 2008
19Donner Jan-Hein (...2430Kupper Josef (SUI)23741-035 ≣A40It
125Trmal Jaroslav (CZE)2184Altshul M1-035 ≣E47Ch Czechoslovakia
655Perez Inclan Jorg...1626Lorinczi Retek Pe...16861-035 ≣E41It (open)
17Najdorf Miguel (POL)2445Reshevsky Samuel ...24300-135 ≣E41Match
652Fistek Dariusz (POL)2265Sopur Lech (POL)24250-135 ≣E10It (open)28 Apr 2008
538Netusil Miroslav ...2306Prandstetter Edua...23650-135 ≣E47Czech League (V) ...
642Potkin Vladimir (...2613Kiselev Vitaliy (...25271-035 ≣E47It (open)07 Feb 2008
279Easton Alex (SCO)2147Miles Jana0-135 ≣E47It (open)
612Guseva Marina (RUS)2306Kovanova Baira (RUS)23101-035 ≣E47Ch Russia (junior...10 Mar 2006
447Van Den Bergh Jan...2068Bjarnason Saevar ...22850-135 ≣E11It (open)
235Hesselbarth Karlh...1808Klatt O1-035 ≣E47corr.
142Lampela OlaviEkblom PE (FIN)1-035 ≣A40?
302MolzahnSelke Horst1-035E47corr.
468Pieniazek Artur (...2415Luther Thomas (GER)25250-136 ≣A40It (open) (a)
259Yrjonen MarkkuMolarius Reijo (FIN)1-036 ≣E41?
272Hovde Frank (NOR)2285Henttinen Markku ...22700-136 ≣E46It (open)
258Portisch Ferenc (...2475Rigo Janos (HUN)23851-036 ≣E41Ch Hungary
613Melnichuk Mikhail...2227Kovalenko Igor (UKR)23250-136 ≣D02Ch Ukraine (junio...12 Mar 2006
278Dries JVlugt F (NED)19981-036 ≣E47corr.
436Sjoberg Mats (SWE)2450Kveinys Aloyzas (...25150-136 ≣E47It (open)
457Akhsharumova Anna...2340Einarsson Bergste...21750-136 ≣E47It (open)
178Portisch Lajos (HUN)2523Sarapu Ortvin (NZL)22551-036 ≣E47Izt
284Olafsson Helgi (ISL)2270Zaltsman Vitaly F...24451-036 ≣A17It (open)
191Colon Romero MiguelO'kelly De Galway...24600-136 ≣E47It
548Grycel Kamil (POL)2295Dobrowolski Piotr...23960-136 ≣E47Ch Poland (team)
184Donner Jan-Hein (...2430Rovira Mas Jorge ...22901-036 ≣E41Olympiad
755De Roode Peter (NED)2242L'Ami Erwin (NED)26150-136 ≣E47It (open)07 Jul 2012
552Shipov Sergei (RUS)2604Bagirov Rufat (AZE)24940-136 ≣E10It (open) \
728Salem A R Saleh (...2489Ashwath R (IND)22491-036 ≣E41Ch World (juniors...07 Aug 2011
406Semkov Semko (BUL)2450Padreny J1-036 ≣E47It (open)
300GriesbachTucek Jan1-036 ≣E47corr.
129Golemo EKowalczyk R1-036 ≣E47Ch Poland (corr.)
559Golovchenko Gleb ...2260Vlasov Egor (RUS)22510-136 ≣E41Ch City (juniors)...
658Kovalenko Igor (UKR)2453Kurukin Dmitry (RUS)21861-036 ≣E47It (open)12 Aug 2008
387Janssen Ger (NED)2228Bellin Robert (ENG)23850-136 ≣E47It (open)
355Foldi Istvan (HUN)2285Schmittdiel Eckha...24550-136 ≣E41Memorial Elekes
654Baciu Stefan (ROM)2242Pop Alexandru (ROM)19660-136 ≣E47Tournament (open)20 Jul 2008
433Ivanchuk Vassily ...2740Tiviakov Sergei (...26551-036 ≣E47It (cat.17)
602Dias Paulo (POR)2306Blalock Rex (USA)22181-036 ≣E10It (open)03 Nov 2005
610Muir Andrew J (SCO)2341Bellia Fabrizio (...23950-136 ≣E47It (cat.7)17 Feb 2006
420Atalik Suat (BIH)2535Karason Askell O ...22301-036 ≣E47It (open)
674Nikolov Sasho (BUL)2416Nikolov Momchil (...25170-136 ≣E47Ch Bulgaria (team)09 May 2009
344Jedrzejowski Maci...2064Hanusek G1-037 ≣E47?
398Hoszowski PiotrNowak Z1-037 ≣E47Ch Poland (corr.)