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Nimzo-Indian, Sämisch Variation, 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Notation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3

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
666Pages Rafart Jord...2120Fluvia Jordi (ESP)23940-151 ≣E20It (open)
501Karsa Laszlo (HUN)2395Kustar Sandor (HUN)23951-023 ≣E41Ch Hungary (team)...
589Karner Christoph ...2181Medvegy Zoltan (HUN)23970-125 ≣E20Ch Europe (junior...
610Sarthou Gaetan (FRA)2399Spiridonov Nikola...24000-134 ≣E41It
491Liardet Fabrice (...2360Anka Emil (HUN)24001-032 ≣E20It (open)
695Santos Marcus Vin...2334Rosito Jorge (ARG)24031-032 ≣E41It06 Aug 2004
674Santos Marcus Vin...2334Rosito Jorge (ARG)24030-154 ≣E41Cup Itau (open)
646Dufeal Julien (FRA)2141Grooten Herman (NED)24080-110 ≣E20It (open)
767Wohlers-Armas Fri...2141Collas Silvia (FRA)24080-133 ≣E20Ch France (w)15 Aug 2007
101Petrosian Tigran ...2580Benko Pal C (USA)24081-027 ≣E41Match \
893Dupre Paul Donald...2037Arkell Keith C (ENG)24090-114 ≣E41It (open)27 May 2011
37Spanjaard EduardVan Den Berg Care...24100-118 ≣E20Ch Netherlands
295Yudasin Leonid (ISR)2470Vilela Jose Luis ...24151-029 ≣E20It (cat.8)
102Alster DKolarov Atanas S ...24150-135 ≣E20It
107Ajanski Jordan S ...2350Kolarov Atanas S ...24150-135 ≣E20Ch Bulgaria
170Calero I (CUB)Ivkov Borislav (SRB)24160-142 ≣E20Memorial J.Capabl...
150Gligoric Svetozar...2447Ivkov Borislav (SRB)24161-041 ≣E20It
905Yefimov Mstislav ...2168Szymanski Marcin ...24160-147 ≣E41It (open)06 Aug 2011
792Johansson Alexand...2022Blomqvist Erik (SWE)24180-123 ≣E20Ch Sweden (juniors)11 Jul 2008
264Niklasson Christe...2385Schneider Lars-Ak...24200-134 ≣E20It
313Knoppert Erik G J...2336Riemersma Liafber...24200-151 ≣E20Ch Netherlands (1...
255Niklasson Christe...2350Kaiszauri Konstan...24200-131 ≣E20?
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
689Garcia Galeote Lo...2124Minzer Claudio Ja...24240-126 ≣E20It (open)09 Apr 2004
268Weber Robert1Gerusel Mathias (...24251-064 ≣E20It
918Sipos Istvan (HUN)2447Csom Istvan (HUN)24261-027 ≣E20Ch Hungary (team)...19 Feb 2012
850Veleski Robert (MKD)2282Cioara Andrei Nes...24260-143 ≣E20It (open) \21 Apr 2010
281Haik Aldo (FRA)2405Murey Jacob (ISR)24290-148 ≣E20It (open)10 Sep 1981
130Vladimirov Boris ...2340Gipslis Aivars (LAT)24290-128 ≣E20Ch URS (1/2 final)
163Mileika JanisGipslis Aivars (LAT)24290-134 ≣E20Ch Latvia
259Lombardy William ...2540Peters John A (USA)24300-146 ≣E20It (open)
560Durao Pedro (POR)2138Damaso Rui (POR)24300-124 ≣E20It (young masters)
819Avram Veselin (SRB)2134Bodiroga Predrag ...24310-139 ≣E20Cup Vojvodina (team)30 Apr 2009
594Tikhanov Adolf (RUS)2235Orlov Vassily (RUS)24310-154 ≣E41It (open) \
131Geller Efim P (RUS)2455Kholmov Ratmir D ...24321-034 ≣E20Memorial Przepiorka
749Chiong Luis (PHI)2364Paciencia Enrique...24320-141 ≣E41It (open)26 Dec 2006
106Vladimirov Boris ...2340Kholmov Ratmir D ...24320-141 ≣E20Ch URS (1/2 final)
301Vallifuoco Giovan...2155Belotti Bruno (ITA)24330-132 ≣E41Ch Italy
96Balanel Ion (ROM)Olafsson Fridrik ...24340-148 ≣E41Zt
91Milev Zdravko (BUL)2230Olafsson Fridrik ...24340-131 ≣E20Olympiad
672Mesko Andrej (CRO)2067Saric Ante (CRO)24370-130 ≣E20Ch Croatia (junio...
750Ganaus Hannes (AUT)2326Slaby Jerzy (POL)24370-155 ≣E41It (open)29 Dec 2006
804Gonda Laszlo (HUN)2507Csiszar Csaba (HUN)24371-038 ≣E20It (open)01 Nov 2008
25Najdorf Miguel (POL)2445Bolbochan Julio (...24401-038 ≣E41It
416Gokhale J Tratar ...Fish Gennadij (GER)24400-154 ≣E41Ch World (juniors...
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
854Chen Yun (CHN)2181Li Wenliang (CHN)24410-152 ≣E20Tournament \18 May 2010
121Polugaevsky Lev A...2585Averbakh Yuri L (...24450-132 ≣E20Ch URS
212Szabo Laszlo (HUN)1903Najdorf Miguel (POL)24450-125 ≣E41It
811Schwarz Dusan (SVK)2303Hausner Ivan (CZE)24460-140 ≣E20Extraliga 2008/0918 Jan 2009
68Pafnutieff VladimirGligoric Svetozar...24470-118 ≣E20It
70Averbakh Yuri L (...2445Estrin Yakov B (RUS)24500-164 ≣E20Ch Moscow
484Vigh Bela (HUN)2355Polak Tomas (CZE)24500-129 ≣E20It (open)
925Sutkovic Damir (BIH)2339Smith Bryan G (USA)24500-152 ≣E20It (open)06 May 2012
142Baturinsky Victor...Estrin Yakov B (RUS)24500-151 ≣E41Ch URS (corr.)
731Kende Gyorgy (HUN)2211Horvath Peter_ (HUN)24510-130 ≣E20It (open)20 Jun 2006
768Foisor Mihaela-Ve...2029Landenbergue Clau...24520-157 ≣E20It (open)14 Sep 2007
513Dreyer Martin (NZL)2310Tissir Mohamed (MAR)24540-124 ≣E41Olympiad
469Zawadski Stephane...2181Marciano David (FRA)24550-154 ≣E20Ch France (team)
261Rastenis Gedimina...2333Zaichik Gennadi (...24570-126 ≣E41Ch URS (young mas...
538Manakova Maria (SRB)2345Peptan Corina-Isa...24601-052 ≣E41Ch Yugoslavia (te...
43Castillo Larenas ...O'kelly De Galway...24600-142 ≣E20Olympiad
45Mastichiadis FotisO'kelly De Galway...24600-141 ≣E20Olympiad
92Neu AloyseO'kelly De Galway...24600-146 ≣E20Olympiad
27Olivera AlfredoO'kelly De Galway...24601-042 ≣E20It
719Longa Yauca Javie...2324Rivas Pastor Manu...24610-157 ≣E41It (open)25 Aug 2005
720Dimov Kiril (BUL)2213Genov Petar (BUL)24640-138 ≣E20Ch Bulgaria (team)26 Sep 2005
162Lombardy William ...2435Evans Larry M (USA)24700-142 ≣E20Match
279Haik Aldo (FRA)2405Van Der Wiel John...24700-169 ≣E20It (b)
714Bricard Emmanuel ...2474Miezis Normunds (...24701-050 ≣E20It21 Jul 2005
673Mafra Kaiser Luiz...2140Zambrana Oswaldo ...24720-125 ≣E20Cup Itau (open)
352Vaisser Anatoly (...2530Oll Lembit (EST)24751-041 ≣E41Cup URS (active)
90Maher VLorson Gerhard24750-149 ≣E41Olympiad
532Dang V Dung (VIE)2138Zagrebelny Sergey...24750-130 ≣E20Ch World Cities
536Liardet Fabrice (...2380Ekstroem Roland (...24750-162 ≣E20It (open)
288Vyzmanavin Alexey...2540Chernin Alexander...24751-042 ≣E20Ch URS
425Bern Ivar (NOR)2370Csom Istvan (HUN)24751-043 ≣E41It (open) \
718Lapshun Yury (USA)2445Berczes David (HUN)24750-134 ≣E20It (cat.8)07 Aug 2005
879Gundavaa Bayarsai...2467Pavlov Sergey (UKR)24771-035 ≣E20It (open) \16 Feb 2011
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
284Karpeshov Oleg (RUS)2384Ehlvest Jaan (USA)24801-040 ≣E20Ch URS (1/2 final)
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
760Sacchini Marco (ITA)2150Orlov Andrey (RUS)24810-148 ≣E20It (open)14 Jun 2007
649Kaminik Aleksanda...2266Manor Ilan (ISR)24830-137 ≣E20Ch Israel (team)
597Moskalenko Viktor...2471Campos Moreno Jav...24840-120 ≣E41It (open)
500Einarsson Bergste...2175Kristjansson Stef...24851-035 ≣E41It (open)
432Tourneur Jean-Fra...2223Solozhenkin Evgen...24890-127 ≣E20It (open)
737Kaminik Aleksanda...2251Cebalo Miso (CRO)24890-138 ≣E20Ch World (seniors)12 Sep 2006
226Garcia Raimundo (...2420Hamann Svend (DEN)24901-041 ≣E20Olympiad
38Najdorf Miguel (POL)2445Matanovic Aleksan...24901-036 ≣E41It
173Averbakh Yuri L (...2445Matanovic Aleksan...24900-172 ≣E41Match \
49Donner Jan-Hein (...2430Matanovic Aleksan...24900-142 ≣E20Zt
289McCambridge Vince...2465Frias Victor J (CHI)24931-047 ≣E41It (open)
650Kaminik Aleksanda...2266Postny Evgeny (ISR)24940-157 ≣E20Ch Israel (team)
433MacKay Ian D (SCO)2289Motwani Paul (SCO)24940-173 ≣E41Ch Scotland
116Geller Efim P (RUS)2455Smyslov Vassily (...24940-156 ≣E20Tournament (candi...
39Bronstein David I...2432Smyslov Vassily (...24941-058 ≣E20Tournament (candi...
22Lilienthal Andor ...2385Smyslov Vassily (...24941-044 ≣E41Tournament
923Kaidanov Gregory ...2588Gerzhoy Leonid (CAN)24951-047 ≣E41It (open)05 Apr 2012
379Forster Richard (...2456Gabriel Christian...24950-151 ≣E20Ch World (juniors...