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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
310Genovese ESleidinger GR1-040 ≣E46?
760Jacso Adam (HUN)2224Kozma Gabor19591-040 ≣E41It (open)19 Aug 2012
370Anapolsky Sergey ...2407Ostojic Nikola (SRB)24461-039 ≣E47Match \
371Wiederkehr WMold C1-028 ≣E47corr.
74Taimanov Mark E (...2386Antoshin Vladimir...22501-041 ≣E41Ch URS
47Furman Semen (RUS)2550Spassky Boris V (...25481-029 ≣E41Ch URS
24Reshevsky Samuel ...2430Euwe Max (NED)1-040 ≣E41Tournament (candi...
372Cacho Reigadas Se...2524Corral Blanco Jua...24361-030 ≣E40It (active)
655Perez Inclan Jorg...1626Lorinczi Retek Pe...16861-035 ≣E41It (open)
2Gligoric Svetozar...2447Rossolimo Nichola...24501-041 ≣E41It
306Ostenstad Berge (...2315O'Cinneide Mel (IRL)22341-028 ≣E46Ch World (juniors...03 Aug 1984
550Gutierrez Lopez C...2172Lorenzini Martin ...23751-041 ≣E47It (open)
244Brinck-Claussen B...2263Fries-Nielsen Jen...23871-042 ≣E47Ch Denmark
360RimpinevaKivisto Mikko (SIN)22771-026 ≣E41Ch Finland (corr.)
342Balashov Yuri S (...2540Rozentalis Eduard...24901-032 ≣E47Ch URS (1 liga) (...
231Koski PekkaRantanen Veikko1-023 ≣E41?
1Benko Pal C (USA)2408Szabo Laszlo (GER)22001-046 ≣E47
373Gulko Boris F (USA)2565Gruenfeld Yehuda ...24801-033 ≣E47It (open)
376Hager Franz (AUT)2224Felsberger Alfred...23611-035 ≣E41Staatsliga 1991/92
285Hoi Carsten (DEN)2390Norgaard Jesper (...24081-034 ≣E47Tournament
99Sokolov Vladimir ...2310Lokvenc Josef (AUT)1-032 ≣E47It
710Nieto De La Cruz ...2154Sanchez Gonzalez ...22861-043 ≣E47Liga Madrilena 20...09 Jan 2011
27Cuellar Gacharna ...2280Vesterinen J1-043 ≣E41Olympiad
553Prasad Devaki V (...2400Mishra Neeraj-Kum...23411-043 ≣E47Ch India
642Potkin Vladimir (...2613Kiselev Vitaliy (...25271-035 ≣E47It (open)07 Feb 2008
337Michenka Jozef (CZE)2346Kazek Krzysztof (...20001-026 ≣E41It
10Bronstein David I...2432Porath Yosef (ISR)23401-049 ≣E47Olympiad
380Popov Sinisa S (SRB)2443Stanimirovic Alek...22401-031 ≣E40Ch Yugoslavia (team)
381Siciarz JLewandowski K22001-035 ≣E47Ch Poland (corr.)
382Carlsson GoranHagstrom Allan1-044 ≣E46Ch Sweden (corr.)
18Panno Oscar (ARG)2438Ivkov Borislav (SRB)24161-024 ≣E10Ch World (juniors)
63Soos Bela (ROM)2281Ingerslev Aage (DEN)22301-039 ≣E41Olympiad16 Sep 1956
556Jasny Stanislav (...1858Machycek Lubomir ...22711-034 ≣E47It (open)
22Averbakh Yuri L (...2445Euwe Max (NED)1-045 ≣E41Tournament (candi...
624Pushkov Nikolai (...2513Kornyukov Alexey ...24161-037 ≣E21Memorial G.I.Ivan...03 Jan 2007
657Nikolaev Alexande...1986Abylkassymova Rau...18341-039E40Tournament (open) \05 Aug 2008
632Iotov Valentin (BUL)2509Kuzubov Yuriy (UKR)25821-045 ≣E41It \07 Jun 2007
560Milanovic Danilo ...2429Vasovski Nikola (...23251-031 ≣E47It (open)
762Maurer Fritz (SUI)2152Duruz Noe (SUI)19301-033 ≣E47It (open)15 Oct 2012
658Kovalenko Igor (UKR)2453Kurukin Dmitry (RUS)21861-036 ≣E47It (open)12 Aug 2008
49Kozma Julius (CSR)2380Vesely Jaromir (CZE)19791-042 ≣E21Ch Czechoslovakia
394Semkov Semko (BUL)2450Serrano Marhuenda...21031-022 ≣E47It (open)
14Tolush Alexander ...Troianescu Octav ...23301-037 ≣E41It
562Pelletier Yannick...2589Lutz Christopher ...25961-041 ≣E47It (cat.16)
401Reinemer Frank (GER)2275Roemling Sven (GER)21601-046 ≣E41It (open)
609Berkes Ferenc (HUN)2589Ilincic Zlatko (SRB)24511-035 ≣E47Ch Hungary (team)...12 Feb 2006
563Jakab Attila (HUN)2402Berczes Csaba (HUN)24191-039 ≣E47It (cat.2)
277Loschi EQuattrocchi Gaetano1-022E46?
3Wood GabrielMitchell Graham1-028 ≣E41Ch World (corr.)
403Lengyel Ferenc (HUN)2280Kladiva Imre (HUN)20141-026 ≣E41It (open)
5Martin Pedro (ARG)2021Souza Mendes Joao1-034 ≣E41Zt
405Lisjak Zlatko (CRO)2314Jokovic Dusan (SLO)20821-033 ≣E47Tournament (team)
407Livshits Ron (CAN)2336McGarrett Ian (CAN)21721-025 ≣E47It
62Tserendagva D (MGL)Reissmann Paul (PRO)1-030 ≣E40Olympiad12 Sep 1956
11Furman Semen (RUS)2550Kondratiev Pavel ...1-033 ≣E47Ch URS (1/2 final)
12Moisieev Oleg L (...2385Byvshev Vasily Mi...1-034 ≣E41Ch URS
15Kluger Gyula (HUN)2250Florian Tibor (HUN)1-038 ≣E41Ch Hungary
20Moisieev Oleg L (...2385Stoeckl Ernst (AUT)21741-038 ≣E46Match \
128Ciesla SKowalczyk R1-024 ≣E47Ch Poland (corr.)
410Pappa Domingo (ARG)2120Deforel Jorge Edu...1-021 ≣E47corr.
26Bronstein David I...2432Horberg Bengt-Eric1-033 ≣E41Olympiad
659Kuchynka Lubos (CZE)2050Smith David J (IRL)18281-038 ≣E47It (open)24 Aug 2008
711Sagar Shah (IND)2298Venkatesh M R (IND)24791-045 ≣E47It (open)19 Jan 2011
32Najdorf Miguel (POL)2445Salas Romo Julio ...1-031 ≣E47It
33Uusi Gunnar (EST)2410Levenfish Grigori...1-028 ≣E41Ch Moscow
567Zilberstein Dmitr...2379Del Pilar Reynald...23061-033 ≣E41It \
35Szabo Laszlo (HUN)1903Sliwa Bogdan (POL)22351-028 ≣E47Zt
570Kaidanov Gregory ...2611Lerner Konstantin...25041-039 ≣E47It (open) \
416Lesiege Alexandre...2460Baragar Fletcher ...22851-047 ≣E47Ch Canada
712Verko Tatiana (KAZ)2104Kovanova Baira (RUS)23691-026 ≣E47It (open) (w)
50Palmason Gudmundu...2270Einarsson Jon1-029 ≣E41It
51O'kelly De Galway...2460Rabar Braslav (YUG)1-030 ≣E47It
53Kozma Julius (CSR)2380Lax Hendrich1-029 ≣E41Ch Czechoslovakia...
64Thorbergsson Frey...2340Catozzi Henry (FRA)1-042 ≣E47Olympiad20 Sep 1956
66Gligoric Svetozar...2447Evans Larry M (USA)24701-039 ≣E21It
69Furman Semen (RUS)2550Korelov Alexander...23751-024 ≣E47Ch Leningrad
70Furman Semen (RUS)2550Rovner Dmitry (RUS)1-023 ≣E47Ch Leningrad
73Casas Fernando (ARG)2245Lombardy William ...24351-041 ≣E47It
75Van Den Berg Care...2410Kramer Haije J (NED)23301-030 ≣E47Ch Netherlands
418Fominyh Alexander...2505Granovski Aleksan...23401-037 ≣E47It (open)
420Atalik Suat (BIH)2535Karason Askell O ...22301-036 ≣E47It (open)
575Van Buskirk Charl...2293Del Pilar Reynald...23061-037 ≣E41It (open)15 Feb 2004
84Panno Oscar (ARG)2438Garcia Vera Romeo1-032 ≣E41Ch Argentina
85Emma Jaime (ARG)2395Shocron Ruben (USA)22591-037 ≣E47?
423Lyrberg Patrik (SWE)2405Dive Russell John...23151-023 ≣E41It
425Knaak Rainer (GER)2540Korchnoi Viktor (...26351-023 ≣E47Cup Hofmann
426Maki-Torkko Martt...2195Oksanen Yrjo1-032 ≣E47?
101Ivanov P (BUL)Filipov F (BUL)1-040 ≣E47Ch Bulgaria
103Geller Efim P (RUS)2455Osnos Viatcheslav...23841-050 ≣E47Ch URS (1/2 final)
104Donner Jan-Hein (...2430Clarke Peter H (ENG)23001-032 ≣E41Match \
105O'kelly De Galway...2460Secchi Ernesto1-042 ≣E41Ch World (corr.)
106Bertholdt DieterSzabo Laszlo (HUN)19031-029 ≣E47It
107Geller Efim P (RUS)2455Padevsky Nikola (...23551-044 ≣E41It
108Uhlmann Wolfgang ...2379Lokvenc Josef (AUT)1-040 ≣E47It
110Ivkov Borislav (SRB)2416Wexler Bernardo (...1-040 ≣E41?
112Souza Mendes JoaoShocron Ruben (USA)22591-046 ≣E41?
427Storkebaum Karl H...Bockius Albert (GER)21621-034 ≣E46Memorial Weber (o...
129Golemo EKowalczyk R1-036 ≣E47Ch Poland (corr.)
494Kay JBStracy D (NZL)1-033 ≣E41Ch North Island (b)
116Goldenberg EdgardoBehrensen Jorge (...23251-040 ≣E47Ch Argentina