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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
465Schoen Wolfram (GER)2410Hall Jesper (SWE)24600-140 ≣E47Bundesliga (2nd) ...
350Kozma Julius (CSR)2380Beran Josef (CZE)22700-146 ≣E47Ch Czechoslovakia...
132Trmal Jaroslav (CZE)2184Fabian Jaroslav (...21921-038 ≣E47Ch Czechoslovakia
419Jussupow Artur (GER)2655Beliavsky Alexand...26400-139 ≣E47It
741Ben Arzi Ido (ISR)2284Becking Franz-Jos...19560-138E47It (open) \29 Jan 2012
473Cherepkov Alexand...2395Leonidov Vitaly (...23651-026 ≣E47Memorial V.Zagoro...
475Doyle JimGrant Alan (SCO)21860-134 ≣E47Ch West Scotland
477Juhnke Karl (GER)2290Wronn Bernd (GER)21921-048 ≣E47Oberliga Northwes...
174Podgaets Mikhail ...2465Schoeneberg Manfr...22791-033 ≣E47Ch World (students)
674Nikolov Sasho (BUL)2416Nikolov Momchil (...25170-136 ≣E47Ch Bulgaria (team)09 May 2009
482Romanov Oleg (BLR)2380Klima Lukas (CZE)22851-047 ≣E47It (open)
369Norri Joose (FIN)2291Hall Jesper (SWE)24931-042 ≣E47It (open)
485Mancini Mario (FRA)2285Marzolo Cyril (FRA)23701-024 ≣E47Ch France (b)
212Reshevsky Samuel ...2560Tan Lian-Ann (SIN)23701-043 ≣E47Izt
487Michenka Jozef (CZE)2315Klima Lukas (CZE)22851-038 ≣E47It
488Nor Igor (ISR)2280Jagodzinski Andre...22150-141 ≣E47It (cat.2)
490Sturua Zurab (GEO)2602Tiviakov Sergei (...26111-045 ≣E47Cup European Club...
491Gual Pascual Anto...2433Kolev Atanas (BUL)25580-141 ≣E47It (open)
492Gislason IngolfurSteindorsson Sigu...20520-135 ≣E47It (open) \
497Cody Philip CMurden Clive1-040 ≣E47corr. ICCF
498Mihelakis GeorgiosGelashvili Tamaz ...25311-019 ≣E47It (open)
580Jovic Stevan (SRB)2080Ilincic Zlatko (SRB)25220-125 ≣E47Ch Vojvodina (team)26 Sep 2004
501Babula Vlastimil ...2567Rigo Zsolt (SVK)22221-027 ≣E47Ch Slovakia
55Dittmann SieghardSterner Olaf1-048 ≣E47It
643Andreev Stanislav...2097Nikolova Adriana ...22811-041 ≣E47It \24 Feb 2008
503Rogers Ian (AUS)2574Solomon Stephen J...24351-041 ≣E47It (cat.10)
504Aboud Firas (SYR)2310Aboudi M (JOR)21661-042 ≣E47Ch Asian Cities (...
506Kunz Konstantin (...2186Luther Thomas (GER)25470-146 ≣E47It (open)
507Rozumbersky ASeiner F1-032 ≣E47It (open)
508Kantsler Boris (ISR)2524Gershon Alik (ISR)25021-030 ≣E47Ch Israel (team)
509Van Beers Eddy (BEL)2346Kolev Atanas (BUL)25820-143 ≣E47Olympiad
510Korotylev Alexey ...2528Paramonov Dimitri...23321-032 ≣E47Memorial M.Chigor...
383Michenka Jozef (CZE)2346Prandstetter Edua...24100-133 ≣E47Ch Czechoslovakia...
512De Souza Mauro (BRA)2366Tsuboi Edson Kenj...23411-039 ≣E47Ch Paulista (final)
514Zuehlke Burkhard ...2173Ertl Rolf21601-034 ≣E47Bayern Regionalli...
522Kekki Petri (FIN)2300Sorsa Nuutti (FIN)22771-046 ≣E47Ch Finland
377Allacher Erwin (AUT)2124Wutte H20101-026 ≣E47Staatsliga B
519Salo Heikki (FIN)2242Sorsa Nuutti (FIN)22771-038 ≣E47Ch Finland (team)...
515Albarran Gustavo ...2255Vazquez Maximilia...21311-050 ≣E47Ch Superior Torre...
521Graf Alexander (GER)2610Kveinys Aloyzas (...25471-030 ≣E47Bundesliga 2000/01
523Hasidovski Arnold...2202Marcotulli Giancarlo1-043 ≣E47Tournament (IECG)
525Figueroa Tomas (CHI)2104Vasquez Rodrigo (...24680-123 ≣E47Memorial Pedro Do...
527Graf Alexander (GER)2610Sulskis Sarunas (...25711-031 ≣E47Ch World FIDE (KO...
528Prudnikova Svetla...2411Baginskaite Camil...23361-034 ≣E47Ch World FIDE (KO...
529Santa Luis A (PUR)2161Campora Daniel H ...25360-121 ≣E47It (open)
530Jussupow Artur (GER)2633Solomunovic Igor ...24211-037 ≣E47It (open)
531Motuz Karol (SVK)2354Markos Jan (SVK)24350-137 ≣E47Extra League 2001/02
307Gil Capape Javier...2444Janssen Han (NED)23280-147 ≣E47It \
574Garcia Gata Jorge...2021Dimitrov Vladimir...24340-126 ≣E47Memorial Narciso ...
534Kramnik Vladimir ...2809Tiviakov Sergei (...25991-038 ≣E47It (cat.19)
535Ali Bin Ali (UAE)2175Ghorbani Mohsen (...23170-133 ≣E47Ch Asian Cities (...
537Niklasch Oliver (...2324Kveinys Aloyzas (...25410-132 ≣E47It (open)
540Salo Heikki (FIN)2279Sorsa Nuutti (FIN)22311-040 ≣E47Ch Finland (team)...
544Westermayer Johan...1802Baumegger Siegfri...23500-132 ≣E47It (open)
568Zilberstein Dmitr...2379Rowley Robert (USA)22821-032 ≣E47It \
545Divljan Igor (YUG)2165Gerzhoy Leonid (CAN)23800-147 ≣E47Ch World (juniors...
547Ferrufino Boris (...2201Pecorelli Garcia ...24510-133 ≣E47It \
548Grycel Kamil (POL)2295Dobrowolski Piotr...23960-136 ≣E47Ch Poland (team)
550Gutierrez Lopez C...2172Lorenzini Martin ...23751-041 ≣E47It (open)
434Vaisser Anatoly (...2555Petursson Margeir...25651-026 ≣E47It (open)
553Prasad Devaki V (...2400Mishra Neeraj-Kum...23411-043 ≣E47Ch India
556Jasny Stanislav (...1858Machycek Lubomir ...22711-034 ≣E47It (open)
756Maiorov Nikita (BLR)2574Darmarakis Mihail...22140-140 ≣E47It (open)08 Jul 2012
560Milanovic Danilo ...2429Vasovski Nikola (...23251-031 ≣E47It (open)
600Laasanen Teemu (FIN)2140Saastamoinen Aarn...21650-147 ≣E47Ch Finland (team)...10 Sep 2005
562Pelletier Yannick...2589Lutz Christopher ...25961-041 ≣E47It (cat.16)
563Jakab Attila (HUN)2402Berczes Csaba (HUN)24191-039 ≣E47It (cat.2)
736Petrov Mikhail (RUS)Schott Raimund (FRA)0-138 ≣E47Verbandsliga Bade...06 Nov 2011
204Pulieri PaoloMicka0-132 ≣E47Ch Europe (corr.)
97Gligoric Svetozar...2447Pachman Ludek (GER)22781-042 ≣E47Izt
570Kaidanov Gregory ...2611Lerner Konstantin...25041-039 ≣E47It (open) \
215Donner Jan-Hein (...2495Knaak Rainer (GER)25151-038 ≣E47It \
539Niemela Antti (FIN)2256Koskela Niina (FIN)23101-045 ≣E47Ch Finland (team)...
148Kozma Julius (CSR)2380Damjanovic Mato (...23031-038 ≣E47It
255Webb Simon (ENG)2420Boehlig Heinz Dr ...22371-049 ≣E47It \04 Jun 1978
577Gonzalez Garcia J...2447Hernandez Holden ...24731-033 ≣E47Memorial J.Capabl...12 May 2004
480Cody Philip CMary Patrick0-145 ≣E47?
763Byklum Bjornar (NOR)2298Vuilleumier Alex ...23261-049 ≣E47Cup European Club17 Oct 2012
607Perepelitsky Edwa...2123De Guzman Ricardo...23830-133 ≣E47It (open)19 Dec 2005
584Korotylev Alexey ...2604Negi Parimarjan (...23521-039 ≣E47It (cat.7)23 Jan 2005
585Lugovoi Aleksei (...2547Naiditsch Arkadij...26411-034 ≣E47It (open) \16 Feb 2005
586Belov Vladimir (RUS)2620Zhao Jun (CHN)25001-029 ≣E47It (open) \19 Feb 2005
587Iljushin Alexei (...2546Wang Hao (CHN)25190-144 ≣E47It (open) \20 Feb 2005
588Porat Shi (ISR)2444Greet Andrew (ENG)24281-039 ≣E47It (cat.7)09 Mar 2005
96Prokhorovich Taras ERovner Dmitry Osi...1-048 ≣E47Tournament
590Gual Pascual Anto...2443Hernando Rodrigo ...23611-040 ≣E47Ch Catalunia28 Mar 2005
415Erwes Theo (GER)2104Pioch Thomas (GER)21651-043 ≣E47Hessenliga 1993/94
117Schweber Samuel (...2348Reinhardt Enrique...1-046 ≣E47Ch Argentina (pla...
596Ovod Evgenija (RUS)2366Kosintseva Nadezh...24860-135 ≣E47Ch Europe (w)14 Jun 2005
597Claassen Chris (USA)2071Harper Warren (USA)23140-144 ≣E47Memorial Jerry Spann18 Jun 2005
598Galopoulos N (GRE)2016Pavlidis Antonios...20100-145 ≣E47Ch Greece (team)08 Jul 2005
601Peralta Fernando ...2538Papp Gabor (HUN)24740-125 ≣E47It (open)24 Oct 2005
524Michenka Jozef (CZE)2323Holeksa Zdenek (CZE)21061-031 ≣E47It (open)
687Grotnes Nils (NOR)2232Johannessen Leif ...25530-142 ≣E47Ch Norway (team) ...06 Nov 2009
604Galvan Jesus (PER)2226Sanchez Aller Fer...22740-123 ≣E47It (open)15 Nov 2005
671Macias Murillo Br...2335Fier Alexander Hi...26041-033 ≣E47Ch South America ...11 Apr 2009
611Iotov Valentin (BUL)2503Petkov Vladimir (...24431-031 ≣E47Ch Bulgaria
612Guseva Marina (RUS)2306Kovanova Baira (RUS)23101-035 ≣E47Ch Russia (junior...10 Mar 2006
614Sondermann Johann...2152Bolvary Tamara (HUN)20610-131 ≣E47Tournament (Elo) (a)07 Apr 2006
615Galopoulos N (GRE)2063Pavlidis Antonios...21070-124 ≣E47Ch World (schools)01 May 2006