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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
760Jacso Adam (HUN)2224Kozma Gabor19591-040 ≣E41It (open)19 Aug 2012
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
715Nieto Emanuel (BEL)2275Tjiam Dharma (NED)23820-140 ≣E41Ch Belgium (team)...27 Feb 2011
703Pesqueira Jose (ARU)1982Dzhumabayev Rinat...25470-135 ≣E41Olympiad21 Sep 2010
696Lahiri Atanu (IND)2341Savic Miodrag R (...25030-143 ≣E41It (open)12 Jul 2010
690Kashlinskaya Alin...2358Girya Olga (RUS)24141-050 ≣E41Ch Russia (junior...18 Apr 2010
676Miranda Yerisbel ...2194Garcia Pantoja Ro...23760-134 ≣E41Memorial J.Capabl...11 Jun 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
664Marinone Lucio (ITA)2008Provera Emanuele ...21380-131 ≣E41It (open)28 Dec 2008
655Perez Inclan Jorg...1626Lorinczi Retek Pe...16861-035 ≣E41It (open)
653Zavadil Michal (CZE)2057Narayanan Srinath...24120-122 ≣E41It (cat.1) \05 Jul 2008
645Danilov Evgeny (RUS)2215Iljiushenok Ilia ...23140-126 ≣E41Ch Russia (junior...
632Iotov Valentin (BUL)2509Kuzubov Yuriy (UKR)25821-045 ≣E41It \07 Jun 2007
629Kozhuharov Spas (...2463Daurelle Herve (FRA)22631-030 ≣E41It (open)17 Apr 2007
605Rosin Federico (ITA)2143Bevilacqua Mauriz...21721-044 ≣E41It (open)20 Nov 2005
603Radziewicz Iweta ...2453Turov Maxim (RUS)25460-120 ≣E41It (cat.7)06 Nov 2005
589Glavas Dragan (CRO)2333Krkljes Slaven (CRO)21671-039 ≣E41Ch Croatia (team)...20 Mar 2005
579Ngo Manh Ha (VIE)Vo Thanh Ninh (VIE)23471-039 ≣E41Ch Vietnam (junio...
576Verzhansky Alexan...2327Flyagin Dmitriy (...1-035 ≣E41Ch Russia (junior...
575Van Buskirk Charl...2293Del Pilar Reynald...23061-037 ≣E41It (open)15 Feb 2004
573Biswas KarlCarlucci Paul A0-150 ≣E41It (open) \23 Oct 2003
567Zilberstein Dmitr...2379Del Pilar Reynald...23061-033 ≣E41It \
565Navrotescu Catali...2410Bagheri Amir (FRA)24960-146 ≣E41Ch France (team) ...
559Golovchenko Gleb ...2260Vlasov Egor (RUS)22510-136 ≣E41Ch City (juniors)...
554Gutov Andrey (RUS)2366Kolomensky Vladim...23151-047 ≣E41Ch Russia (1/2 fi...
532Degtiarev Evgeny ...2180Faizrakhmanov Gen...21900-133 ≣E41Ch Russia (junior...
511Savon Vladimir A ...2449Smirnov Igor (UKR)24161-047 ≣E41Ch Ukraine (team)
502Elsness Frode (NOR)2395Khenkin Igor (GER)26330-150 ≣E41Cup Rilton
500Bernat Marcin (POL)2227Rybak Tomasz (POL)21631-030 ≣E41Ch Poland (team) ...
496Balogh JBoros Laszlo (HUN)19190-139 ≣E41Ch Hungary (team)...
494Kay JBStracy D (NZL)1-033 ≣E41Ch North Island (b)
489Potapov Alexander...2241Filippov Valerij ...25951-045 ≣E41Cup Russia
486Galt ArMikhailov Sergey ...23970-130 ≣E41It (open)
479Eberhardt Olaf (GER)2099Wohlfart Paulus D...22220-140 ≣E41Oberliga 1997/98
478Nor Igor (ISR)2280Seidl Juergen (GER)21701-035 ≣E41Memorial Karl Wag...
472Kostin Sergei (RUS)2290Tunik Gennady (RUS)24500-147 ≣E41Cup Russia (open)
471Khasin Abram (RUS)2420Leonidov Vitaly (...23650-142 ≣E41It (seniors)
470Burlov Vassili (RUS)2345Nikolenko Oleg (RUS)24900-143 ≣E41Ch Moscow
467Karayannis Athana...2245Nikolaidis Ioanni...25200-143 ≣E41It (open)
466Zilberman Yaacov ...2560Tsesarsky Ilya (ISR)24451-030 ≣E41Tournament
463Pihlajamaki JaakkoPennanen Eino0-130 ≣E41?
462Usachyi Vladimir ...2245Baklan Vladimir (...25700-130 ≣E41It (open)
459Valden Petros (GRE)2243Tzoumbas Anastasi...23800-141 ≣E41Ch Greece (team)
456Franic Milan (CRO)2390Zelic Zdravko (CRO)23901-032 ≣E41Cup Croatia
450Lyrberg Patrik (SWE)2415Bilalic Merim (BIH)22810-129 ≣E41Ch World (juniors...
441Sanchez Cutillas ...2083Reig Albero Ferra...21621-029 ≣E41Ch Aragon (team)
438Lyrberg Patrik (SWE)2400Koch Thomas (GER)20540-143 ≣E41It (open)
428Storkebaum Karl H...Cors Heinz-Friedr...19350-137 ≣E41Memorial Weber (o...
423Lyrberg Patrik (SWE)2405Dive Russell John...23151-023 ≣E41It
417Gelfand Boris (ISR)2680Korchnoi Viktor (...26150-137 ≣E41It (cat.16)
414Parulava Temur (GER)2287Dudek Richard (GER)22450-120 ≣E41Bundesliga (2nd) ...
403Lengyel Ferenc (HUN)2280Kladiva Imre (HUN)20141-026 ≣E41It (open)
401Reinemer Frank (GER)2275Roemling Sven (GER)21601-046 ≣E41It (open)
389Bazan GerardoKanefsck Gustavo ...23731-034 ≣E41It (open)
376Hager Franz (AUT)2224Felsberger Alfred...23611-035 ≣E41Staatsliga 1991/92
374Ferrer Serrano Ro...2138Dominguez Ofretor...21380-129 ≣E41It \
366Siciarz JHoszowski Piotr0-146 ≣E41Ch Poland (corr.)
362Garralda AGarcia Trobat Fra...22910-133E41It (open)
360RimpinevaKivisto Mikko (SIN)22771-026 ≣E41Ch Finland (corr.)
355Foldi Istvan (HUN)2285Schmittdiel Eckha...24550-136 ≣E41Memorial Elekes
349SchepersPiekorz Roland19300-132 ≣E41Ch DDR (corr.)
348Leverett Bruce W ...2300Wachtel Hovard1-038 ≣E41It (open) \
341Dive Russell John...2339Martin Benjamin (...23751-050 ≣E41Ch New Zealand
337Michenka Jozef (CZE)2346Kazek Krzysztof (...20001-026 ≣E41It
330Vogel Robert (GER)2256Waldow Frank1-034 ≣E41Bundesliga 1987/88
329MatthaeiSebald Ralph1-028 ≣E41corr.
326Frieser Klaus (GER)2151Prizant Michael (...21360-138 ≣E41Europe Tournament...
312Hoi Carsten (DEN)2420Kormanyos Zoltan ...23141-034 ≣E41It (open)
311Maresca FilippoVincenzi R0-122 ≣E41?
299Gneusz WEichenberg1-034 ≣E41corr.
297Kausek KZlebcik L1-037 ≣E41Ch Czechoslovakia...
295Letic Stevan (SRB)2104Franzen Jozef (SVK)23020-140 ≣E41corr.
293Azmaiparashvili Z...2455Franzen Jozef (SVK)23021-030 ≣E41Cup Tatran
291Hesselbarth Karlh...1808Piastowski Kurt (...19781-039 ≣E41Ch DDR (corr.)
290Savolainen MattiHaapasalo Risto1-037 ≣E41?
286Knaak Rainer (GER)2505Tischbierek Raj (...24541-042 ≣E41It
275Mann VPiastowski Kurt (...19780-124 ≣E41Ch DDR (corr.)
271Gerusel Mathias (...2395Behle Karl-Willi ...22561-028 ≣E41Bundesliga (2nd) ...
266Heiberg ThomasJohannessen Svein...22730-124 ≣E41Memorial Sigurd S...30 Aug 1979
265Podgaets Mikhail ...2450Romanishin Oleg M...25601-049 ≣E41?
263Keene Raymond D (...2455Romanishin Oleg M...25600-140 ≣E41?
259Yrjonen MarkkuMolarius Reijo (FIN)1-036 ≣E41?
258Portisch Ferenc (...2475Rigo Janos (HUN)23851-036 ≣E41Ch Hungary
254Podgaets Mikhail ...2465Donchenko Anatoly...23851-033 ≣E41?
253Portisch Lajos (HUN)2630Sosonko Gennadi (...25751-038 ≣E41It (cat.14)
252Boudy Julio (CUB)2188Campos Lopez Mari...23551-042 ≣E41It
251Rodriguez Orestes...2485Olafsson Fridrik ...25300-126 ≣E41It (cat.10)
250Lerner Konstantin...2515Zaichik Gennadi (...24571-041 ≣E41Memorial V.Karsel...
248KeneszDuenhaupt HW (GER)1-040 ≣E41Ch Europe (team) ...
243Ivanov Igor V (CAN)2424Popov Nikolay (MDA)24100-140 ≣E41Tournament
237Tarjan James E (USA)2490Padevsky Nikola (...23551-030 ≣E41It
236Sydor Andrzej (POL)2325Pinkas Karol (POL)23201-045 ≣E41It (b)
231Koski PekkaRantanen Veikko1-023 ≣E41?
216Knaak Rainer (GER)2515Garcia Gonzales G...24501-042 ≣E41Memorial J.Capabl...
213Bergdahl AssarNordstrom Felix (...21810-140 ≣E41corr.
202Steiner Josef (AUT)2116Yudovich Mikhail ...1-033 ≣E41corr.
200Cardoso Carlos Al...2207Sharif Mehrshad (...23300-141 ≣E41Olympiad
199Baart JoanWeyerstrass Ronal...0-148E41Match