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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
15Kluger Gyula (HUN)2250Florian Tibor (HUN)1-038 ≣E41Ch Hungary
132Trmal Jaroslav (CZE)2184Fabian Jaroslav (...21921-038 ≣E47Ch Czechoslovakia
354Remensberger HSuri Hans (SUI)20081-038 ≣E47It (open)
454Hardicsay Peter (...2395Lendwai Reinhard ...23700-138 ≣E47It (open)
620Abeln Michiel (NED)2380Thorfinnsson Brag...23870-138 ≣E47Cup European Club10 Oct 2006
229Svensson Gert (SWE)2215Bengtsson Bo (SWE)23000-138 ≣E47Ch Sweden
736Petrov Mikhail (RUS)Schott Raimund (FRA)0-138 ≣E47Verbandsliga Bade...06 Nov 2011
375Computer \Computer \0-138 ≣E47Ch World (computers)01 Jan 1991
519Salo Heikki (FIN)2242Sorsa Nuutti (FIN)22771-038 ≣E47Ch Finland (team)...
148Kozma Julius (CSR)2380Damjanovic Mato (...23031-038 ≣E47It
583Zakharchenko Arno...2273Borsuk Konstantin...22521-039 ≣E47Ch Kiev21 Jan 2005
742Baciu Stefan (ROM)2222Tudose Cristian (...18541-039 ≣E40Ch Romania17 Feb 2012
170McSheehy CJLudgate Alan (IRL)22650-139 ≣E47Ch Great Britain ...
43Idigoras GregorioNajdorf Miguel (POL)24450-139 ≣E41Ch Argentina
512De Souza Mauro (BRA)2366Tsuboi Edson Kenj...23411-039 ≣E47Ch Paulista (final)
563Jakab Attila (HUN)2402Berczes Csaba (HUN)24191-039 ≣E47It (cat.2)
496Balogh JBoros Laszlo (HUN)19190-139 ≣E41Ch Hungary (team)...
63Soos Bela (ROM)2281Ingerslev Aage (DEN)22301-039 ≣E41Olympiad16 Sep 1956
657Nikolaev Alexande...1986Abylkassymova Rau...18341-039E40Tournament (open) \05 Aug 2008
618Fedorovsky Michae...2346Czakon Jakub (POL)24860-139 ≣E47It (open)29 Jul 2006
419Jussupow Artur (GER)2655Beliavsky Alexand...26400-139 ≣E47It
370Anapolsky Sergey ...2407Ostojic Nikola (SRB)24461-039 ≣E47Match \
621Pogorelov Ruslan ...2462Hernandez Holden ...25240-139 ≣E47It (open)11 Oct 2006
584Korotylev Alexey ...2604Negi Parimarjan (...23521-039 ≣E47It (cat.7)23 Jan 2005
446Beliavsky Alexand...2620Lendwai Reinhard ...23701-039 ≣E47It (open)
283Goehring Karl-Hei...2335Unzicker Wolfgang...25100-139 ≣E47Bundesliga 1982/83
38Fuderer Andrija (...Rabar Braslav (YUG)0-139 ≣E47Ch Yugoslavia (ma...
570Kaidanov Gregory ...2611Lerner Konstantin...25041-039 ≣E47It (open) \
579Ngo Manh Ha (VIE)Vo Thanh Ninh (VIE)23471-039 ≣E41Ch Vietnam (junio...
304Nieland CLaarhoven Thijs (...22111-039 ≣E47corr.
730Peralta Fernando ...2601Pavlidou Ekaterin...22201-039 ≣E47It (open)19 Aug 2011
683Ahlander Bjorn (SWE)2423Ulfarsson Magnus ...23800-139 ≣E47Ch Iceland (team)...26 Sep 2009
517Graf Alexander (GER)2610Zeller Frank (GER)24530-139 ≣E40It (open)
338Marks IanTenev Teno P0-139 ≣E47Europe Tournament...
291Hesselbarth Karlh...1808Piastowski Kurt (...19781-039 ≣E41Ch DDR (corr.)
589Glavas Dragan (CRO)2333Krkljes Slaven (CRO)21671-039 ≣E41Ch Croatia (team)...20 Mar 2005
126O'kelly De Galway...2460Stockl E1-039 ≣E47It
169Schweber Samuel (...2348Mecking Henrique ...25781-039 ≣E41Tournament
227Taimanov Mark E (...2580Zaichik Gennadi (...24571-039 ≣E21Olympiad URS
588Porat Shi (ISR)2444Greet Andrew (ENG)24281-039 ≣E47It (cat.7)09 Mar 2005
569Ramirez Alejandro...2519Hernandez Holden ...24731-039 ≣E46Memorial C.Torre ...
667Yurkov Alexey (UKR)2163Mazurchak Bogdan ...21870-139 ≣E47Ch Ukraine (junio...14 Feb 2009
66Gligoric Svetozar...2447Evans Larry M (USA)24701-039 ≣E21It
41Somers StafJorgensen Vagn Rauhe0-139 ≣E41Ch World (juniors...
154Binkauskas BSalminsh Gedimins...0-139 ≣E47Cup Baltic (corr.)
464Michenka Jozef (CZE)2330Machycek Lubomir ...22550-140 ≣E47Ch MSS
240Christoffel Marti...Sarosi Zoltan (HUN)22971-040 ≣E47Olympiad (corr.)
715Nieto Emanuel (BEL)2275Tjiam Dharma (NED)23820-140 ≣E41Ch Belgium (team)...27 Feb 2011
187Teschner Rudolf (...2295Rossolimo Nichola...24500-140 ≣E47It
760Jacso Adam (HUN)2224Kozma Gabor19591-040 ≣E41It (open)19 Aug 2012
243Ivanov Igor V (CAN)2424Popov Nikolay (MDA)24100-140 ≣E41Tournament
116Goldenberg EdgardoBehrensen Jorge (...23251-040 ≣E47Ch Argentina
295Letic Stevan (SRB)2104Franzen Jozef (SVK)23020-140 ≣E41corr.
332Lalic Bogdan (ENG)2485Ortega Lexy (ITA)24401-040 ≣E47It (cat.11)
110Ivkov Borislav (SRB)2416Wexler Bernardo (...1-040 ≣E41?
685Purdon Colin (ENG)2102Downey Keith (WLS)19310-140 ≣E47It (open)20 Oct 2009
108Uhlmann Wolfgang ...2379Lokvenc Josef (AUT)1-040 ≣E47It
672Kozakov Mikhail (...2437Ganin Maksim (UKR)24271-040 ≣E41It \17 Apr 2009
160Bachtiar Arovah (...2285Damjanovic Mato (...23030-140 ≣E47It \
101Ivanov P (BUL)Filipov F (BUL)1-040 ≣E47Ch Bulgaria
180ZverevicMarkovic Igor (CRO)22070-140 ≣E41Tournament (corr.)
327Jandke Manfred (GER)2163Wicklund Hansen G...1-040 ≣E47Europe Tournament...
248KeneszDuenhaupt HW (GER)1-040 ≣E41Ch Europe (team) ...
479Eberhardt Olaf (GER)2099Wohlfart Paulus D...22220-140 ≣E41Oberliga 1997/98
257Pinter Jozsef (HUN)2445Rigo Janos (HUN)23851-040 ≣E21Ch Hungary
37Milic Borislav (YUG)Matanovic Aleksan...24900-140 ≣E41Match
76Dittmann SieghardOlafsson Fridrik ...24340-140 ≣E41Olympiad (student...
413Komljenovic Luka ...2228Niedermaier Hans ...22690-140 ≣E47Bundesliga (2nd) ...
540Salo Heikki (FIN)2279Sorsa Nuutti (FIN)22311-040 ≣E47Ch Finland (team)...
590Gual Pascual Anto...2443Hernando Rodrigo ...23611-040 ≣E47Ch Catalunia28 Mar 2005
24Reshevsky Samuel ...2430Euwe Max (NED)1-040 ≣E41Tournament (candi...
263Keene Raymond D (...2455Romanishin Oleg M...25600-140 ≣E41?
310Genovese ESleidinger GR1-040 ≣E46?
756Maiorov Nikita (BLR)2574Darmarakis Mihail...22140-140 ≣E47It (open)08 Jul 2012
497Cody Philip CMurden Clive1-040 ≣E47corr. ICCF
140Herren WalterBernhardt Rolf (GER)22880-140 ≣E41It
79Lutikov Anatoly S...2515Aronson Lev (RUS)1-040 ≣E47Ch URS (1/2 final)
465Schoen Wolfram (GER)2410Hall Jesper (SWE)24600-140 ≣E47Bundesliga (2nd) ...
135Sanguinetti Raul ...2485Bielicki Carlos (...23151-040 ≣E41It
546Davydenko Andrey ...2080Novoselsky Oleg (...21950-140 ≣E46Memorial Y.Sakhar...
499Kodentsov Grisja ...2275Werle Jan (NED)22161-040 ≣E20Ch Netherlands (j...
719Wojtaszek Radosla...2704Sasikiran Krishna...26890-140 ≣E47It (cat.18)17 May 2011
213Bergdahl AssarNordstrom Felix (...21810-140 ≣E41corr.
634Kashlinskaya Alin...2263Ogleznev Alexandr...22621-041 ≣E47It \22 Jul 2007
313Portisch Ferenc (...2405Rigo Janos (HUN)23190-141 ≣E47It (open)
648Stegariu Vlad-Ionut1937Frusescu Dorian-C...1-041 ≣E40Ch Romania (juniors)12 Apr 2008
77SehlstedtBlatny Frantisek ...21120-141 ≣E41Olympiad (student...
562Pelletier Yannick...2589Lutz Christopher ...25961-041 ≣E47It (cat.16)
250Lerner Konstantin...2515Zaichik Gennadi (...24571-041 ≣E41Memorial V.Karsel...
660Vazquez Renier (ESP)2530Vassallo Mauricio...24181-041 ≣E47It (open)24 Aug 2008
503Rogers Ian (AUS)2574Solomon Stephen J...24351-041 ≣E47It (cat.10)
200Cardoso Carlos Al...2207Sharif Mehrshad (...23300-141 ≣E41Olympiad
550Gutierrez Lopez C...2172Lorenzini Martin ...23751-041 ≣E47It (open)
273Lukacs Peter (HUN)2405Pinkas Karol (POL)23201-041 ≣E21It (a)
25Taimanov Mark E (...2386Euwe Max (NED)0-141 ≣E41Tournament (candi...
459Valden Petros (GRE)2243Tzoumbas Anastasi...23800-141 ≣E41Ch Greece (team)
635Kozakov Mikhail (...2449Rybak Tomasz (POL)22821-041 ≣E47Tournament (open)28 Jul 2007
491Gual Pascual Anto...2433Kolev Atanas (BUL)25580-141 ≣E47It (open)
345Cembran EzioDeforel Jorge Edu...1-041 ≣E47corr.
13Kotov Alexander A...2500Matanovic Aleksan...24901-041 ≣E41Izt