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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
763Byklum Bjornar (NOR)2298Vuilleumier Alex ...23261-049 ≣E47Cup European Club17 Oct 2012
762Maurer Fritz (SUI)2152Duruz Noe (SUI)19301-033 ≣E47It (open)15 Oct 2012
761Spindelboeck Gern...2227Sakelsek Tadej (SLO)24361-026 ≣E46It (open)26 Aug 2012
760Jacso Adam (HUN)2224Kozma Gabor19591-040 ≣E41It (open)19 Aug 2012
759Arishin Sergei (KGZ)2183Nukin Ashat (KAZ)23470-125 ≣E21Memorial Izmailov...12 Aug 2012
758Zwirs Nico (NED)2173Leenhouts Koen (NED)23840-134 ≣E11It (open)07 Aug 2012
757Meins Gerlef (GER)2475Poetsch Hagen (GER)24361-041 ≣E47It \14 Jul 2012
756Maiorov Nikita (BLR)2574Darmarakis Mihail...22140-140 ≣E47It (open)08 Jul 2012
755De Roode Peter (NED)2242L'Ami Erwin (NED)26150-136 ≣E47It (open)07 Jul 2012
754Peralta Fernando ...2602Cori T Deysi (PER)23861-031 ≣E47It (open)03 Jul 2012
753Ivana Maria Furtado2065Jargalmaa Sarantuya17731-034 ≣D02Ch Asia (juniors)...27 Jun 2012
752Chmelik Jiri (CZE)2069Jasny Stanislav (...18810-137 ≣E47It (open)19 Jun 2012
751Kharitonov Alexan...2547Biriukov Nikolai ...24201-032 ≣E47It (open)18 Jun 2012
750Shiva Ravi Pillai...1861Podolchenko Evgen...24640-127 ≣E46Cup Mayors (open)10 Jun 2012
749Korobov Anton (UKR)2679Swiercz Dariusz (...25651-045 ≣E47Match \29 May 2012
748Schwalfenberg Joe...Maehrlein Christoph1-049 ≣A46Verbandsliga Bade...29 Apr 2012
747Tovmasian Vardges...2420Soltanici Ruslan ...23970-142 ≣E47Memorial V.Naboko...25 Apr 2012
746Salinas Herrera P...2366Valiente Cristoba...22571-035 ≣E47It (cat.3)02 Apr 2012
745Monticelli Romain1820De Gueldre Philip...21270-127 ≣E00Tournament (open)30 Mar 2012
744Timofeev Artyom (...2659Grandelius Nils (...25451-046 ≣E47Ch Europe28 Mar 2012
743Burnett Jim (ENG)2137Hawkins Jonathan ...24800-147 ≣E47It (open)09 Mar 2012
742Baciu Stefan (ROM)2222Tudose Cristian (...18541-039 ≣E40Ch Romania17 Feb 2012
741Ben Arzi Ido (ISR)2284Becking Franz-Jos...19560-138E47It (open) \29 Jan 2012
740Skliba Martin (CZE)2301Fusek Lukas19841-045 ≣E47Czech League 2011...08 Jan 2012
739Ramon Solans Albe...2280Cruz Jonathan (PER)23860-122 ≣E40It (cat.2)07 Dec 2011
738Netusil Miroslav ...2318Sura Jaroslav (CZE)21871-033 ≣E47Ch Czech Republic...27 Nov 2011
737Lund Esben (DEN)2398De Verdier Michae...23861-027 ≣E47It (open)26 Nov 2011
736Petrov Mikhail (RUS)Schott Raimund (FRA)0-138 ≣E47Verbandsliga Bade...06 Nov 2011
735Lund Stale (NOR)1848Swiercz Dariusz (...25850-119E47It (open)03 Nov 2011
734Kamel Salama (EGY)2037Elhares Alaa17411-029 ≣E47Tournament (Elo) \15 Oct 2011
733Urkedal Frode (NOR)2447Tari Aryan (NOR)22241-029 ≣E47It (open)02 Oct 2011
732Rasmussen Henning...2172Byrne Ray (IRL)20540-143 ≣E10Cup European Club26 Sep 2011
731Kovalenko Igor (UKR)2567Voronov Yuri (UKR)22811-025 ≣E47It (open)04 Sep 2011
730Peralta Fernando ...2601Pavlidou Ekaterin...22201-039 ≣E47It (open)19 Aug 2011
729Mitchell Martin (...2226Jakovljevic Vlado...23860-122 ≣E47It (open)16 Aug 2011
728Salem A R Saleh (...2489Ashwath R (IND)22491-036 ≣E41Ch World (juniors...07 Aug 2011
727Gomez Ledo Robert...2452Gensana Berzunces...19971-029 ≣E41It (open)18 Jul 2011
726Atalik Ekaterina ...2481Nikolova Adriana ...22681-032 ≣E47Ch Turkey (team)07 Jul 2011
725Peralta Fernando ...2602Cruz Jonathan (PER)24121-042 ≣E47It (open)03 Jul 2011
724Kovalenko Igor (UKR)2578Zubarev Alexander...26081-031 ≣E47Memorial A.Ermak ...01 Jul 2011
723Di Berardino Dieg...2483Aranha Filho Alva...23151-043 ≣E47Zt26 Jun 2011
722Schreiner Till (GER)2150Mueller Nick19580-133 ≣E47Ch Germany (junio...14 Jun 2011
721Kostov Galin (BUL)2197Pantev Veselin (BUL)23730-145 ≣E47Ch Bulgaria (team...05 Jun 2011
720Maroszyk Wieslaw ...1938Jaworski Miroslaw...23200-128 ≣E47It (open)22 May 2011
719Wojtaszek Radosla...2704Sasikiran Krishna...26890-140 ≣E47It (cat.18)17 May 2011
718Tyn Ondrej1902Pavelek Karel (CZE)21550-134E21Czech League 2010...03 Apr 2011
717Sokolov Ivan (NED)2673Sammalvuo Tapani ...24771-034 ≣E47It (open)13 Mar 2011
716Brodsky Michail (...2553De Verdier Michae...23861-050 ≣E47It (open)01 Mar 2011
715Nieto Emanuel (BEL)2275Tjiam Dharma (NED)23820-140 ≣E41Ch Belgium (team)...27 Feb 2011
714Biriukov Ilja (RUS)2410Kurilin Alexander...22711-032 ≣E47It (cat.6)20 Feb 2011
713Schnider Gert (AUT)2358Schwenk Andreas (...21301-035 ≣E11It (open)17 Feb 2011
712Verko Tatiana (KAZ)2104Kovanova Baira (RUS)23691-026 ≣E47It (open) (w)
711Sagar Shah (IND)2298Venkatesh M R (IND)24791-045 ≣E47It (open)19 Jan 2011
710Nieto De La Cruz ...2154Sanchez Gonzalez ...22861-043 ≣E47Liga Madrilena 20...09 Jan 2011
709Gonzalez Manchon ...2091Kolev Atanas (BUL)25710-134 ≣E46It (open)04 Dec 2010
708Anand Viswanathan...2800Bacrot Etienne (FRA)27161-033 ≣E47It \30 Oct 2010
707Ben Arzi Ido (ISR)2183Abasov Nijat Azad...25170-134 ≣E47Ch World (juniors...26 Oct 2010
706Bezemer Arno (NED)2318L'Ami Erwin (NED)26240-141 ≣E47It (open)22 Oct 2010
705Petran Pal (HUN)2348Getz Nicolai (NOR)22760-133 ≣E47It (cat.1)09 Oct 2010
704Boettger Lukas (GER)2130Hummel Dennis (GER)20201-037 ≣E47Ch Germany (unive...09 Oct 2010
703Pesqueira Jose (ARU)1982Dzhumabayev Rinat...25470-135 ≣E41Olympiad21 Sep 2010
702Zhukova Natalia (...2499Koneru Humpy (IND)25931-047 ≣D31Ch World (blitz) ...18 Sep 2010
701Del Rio Angelis S...2515Sanchez Gonzalez ...22881-046 ≣E47It (open)11 Sep 2010
700Zilka Stepan (CZE)2479Bugalski Michal (...22401-033 ≣E47It (open)08 Aug 2010
699Lund Esben (DEN)2401Sammalvuo Tapani ...24651-040 ≣A40Memorial Heini Ol...24 Jul 2010
698Ponomariov Ruslan...2749Naiditsch Arkadij...26741-046 ≣E47It (cat.20)23 Jul 2010
697Kapnisis Spyridon...2511Pavlidou Ekaterin...21911-041 ≣E47Cup Artemis (open)14 Jul 2010
696Lahiri Atanu (IND)2341Savic Miodrag R (...25030-143 ≣E41It (open)12 Jul 2010
695Kozenkov Valery (...2132Rutman Aleksandr ...21441-027 ≣E40It (open) \24 Jun 2010
694Potkin Vladimir (...2630Corrales Fidel (CUB)25991-035 ≣E40Memorial J.Capabl...16 Jun 2010
693Skomorokhin Roman...2417Fedoseev Vladimir...21541-031 ≣E47Memorial R.Nezhme...03 Jun 2010
692Ruschukov BojanNikolova Adriana ...22950-137 ≣E40It \22 May 2010
691Gaprindashvili Va...2404Arutinian David (...25780-145 ≣D31Cup Municipality20 May 2010
690Kashlinskaya Alin...2358Girya Olga (RUS)24141-050 ≣E41Ch Russia (junior...18 Apr 2010
689Shevtsov KirillTrifonov Aleksand...0-122 ≣E47Tournament (open)09 Jan 2010
688Zilberman Yaacov ...2439Lerner Konstantin...25490-133 ≣E47Memorial L.Slutsk...19 Dec 2009
687Grotnes Nils (NOR)2232Johannessen Leif ...25530-142 ≣E47Ch Norway (team) ...06 Nov 2009
686Byklum Bjornar (NOR)2310Grandelius Nils (...25150-142 ≣E47Ch Norway (team) ...06 Nov 2009
685Purdon Colin (ENG)2102Downey Keith (WLS)19310-140 ≣E47It (open)20 Oct 2009
684Quiroga Facundo (...2329Van Riemsdijk Her...23800-138 ≣A06Ch Paulista (final)03 Oct 2009
683Ahlander Bjorn (SWE)2423Ulfarsson Magnus ...23800-139 ≣E47Ch Iceland (team)...26 Sep 2009
682Rees Ioan (WLS)2339Pap Gyula (HUN)25030-146 ≣E10It (cat.8)03 Aug 2009
681Aronian Levon (ARM)2768Naiditsch Arkadij...26971-049 ≣E47Ch World (active)...
680Mareco Sandro (ARG)2503Corrales Fidel (CUB)26020-142E10Ch Continental Am...30 Jul 2009
679Mouritsen Jan (DEN)1758Skovgaard Tom (DEN)19830-143 ≣E47It (open) \22 Jul 2009
678Murillo Alexis (CRC)2310Iturrizaga Eduard...25550-146 ≣E40Zt24 Jun 2009
677Nikolov Sasho (BUL)2416Videnova Iva (BUL)21970-148 ≣E47It (open)23 Jun 2009
676Miranda Yerisbel ...2194Garcia Pantoja Ro...23760-134 ≣E41Memorial J.Capabl...11 Jun 2009
675Li Panru (CHN)2132Wang Xiaohui (CHN)22310-149 ≣E47Ch Asia (w)23 May 2009
674Nikolov Sasho (BUL)2416Nikolov Momchil (...25170-136 ≣E47Ch Bulgaria (team)09 May 2009
673Bublei Pavel (RUS)2189Musaev Rasul (RUS)21100-129 ≣E41Ch Russia (junior...19 Apr 2009
672Kozakov Mikhail (...2437Ganin Maksim (UKR)24271-040 ≣E41It \17 Apr 2009
671Macias Murillo Br...2335Fier Alexander Hi...26041-033 ≣E47Ch South America ...11 Apr 2009
670Richardson John R...2298Devereaux Maxim (...23870-150 ≣E47Ch England (team)...22 Mar 2009
669Mogoranskikh Anto...2080Sotnikovich Georg...20431-029 ≣E47Ch Club MEPHI (1 ...19 Feb 2009
668Maia Marco Aureli...2136Guimaraes Wagner ...22910-130 ≣E47It (cat.2)16 Feb 2009
667Yurkov Alexey (UKR)2163Mazurchak Bogdan ...21870-139 ≣E47Ch Ukraine (junio...14 Feb 2009
666Piorun Kacper (POL)2457Bartel Mateusz (POL)26190-134 ≣D31Ch Poland05 Feb 2009
665Sasikiran Krishna...2669Efimenko Zahar (UKR)26540-141 ≣E47It (cat.16)28 Jan 2009
664Marinone Lucio (ITA)2008Provera Emanuele ...21380-131 ≣E41It (open)28 Dec 2008