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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
847Floroiu Ioana-Ale...1662Gelip Ioana (ROM)18240-139 ≣E20Ch Romania (junio...08 Apr 2010
143Maska JWolff H20001-039 ≣E20Europe Tournament...
47Gruber BratoljubDe Stefani Carlo0-139 ≣E20Match \
215Holmers EJGibbs Peter C (ENG)1-039 ≣E41corr.
183Szabo Laszlo (HUN)1903Zuidema Coen (NED)24501-039 ≣A17It (a)
716Thorfinnsson Bjor...2321Chulivska Vita (UKR)22781-039 ≣A40It (open) (a)23 Jul 2005
368Santos Carlos P (...2404Martin Benjamin (...23751-039 ≣E20Ch World (juniors...
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
521Taggatz Mario (GER)2303Ankerst Mihael (SLO)23501-039 ≣E20It (open) (a)
686Bertrand Xavier (...2132Poggioli Guillaume17501-039 ≣A40Ch France (team) ...14 Mar 2004
518Jugow Alexander (...2230Escher Clemens (GER)22340-139 ≣E41It (open)
510Zaks JVatnikov Josif E ...23400-139 ≣E20It \
908Radice Luca (ITA)1972Robbio Pietro18831-039 ≣E20Tournament (open)
578Konovalova Olesia...2156Kalinina Vladisla...22390-139 ≣E20Ch Ukraine (junio...
176Kekki YrjoKaasalainen Arvo0-139E20?
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
678Pereira Figueroa ...2097Bozzo Rodolfo1-039 ≣E20Dos Hermanas Qual...16 Mar 2003
819Avram Veselin (SRB)2134Bodiroga Predrag ...24310-139 ≣E20Cup Vojvodina (team)30 Apr 2009
164Gligoric Svetozar...2447Osmanagic Muamer ...22601-039 ≣E20It
448Borovicka Bohumil...1997Michenka Jozef (CZE)23460-140 ≣E41It (open)
249Garrido FedericoChaves Marcelo Fe...21341-040 ≣E20Olympiad
415Loehr GernotWingender Hans Peter1-040 ≣E20Verbandsliga Nort...
235Shereshevski Mikh...2475Ubilava Elizbar (...25271-040 ≣E41Ch URS (young mas...
700Tregubov Vadim (UKR)2390Yaremko Nazar (UKR)22030-140 ≣E41Ch Ukraine (junio...
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
216Tomic Dragoslav (...2125Szabo Laszlo (HUN)19030-140 ≣E20It
587Feoktistov Alexey...2359Ovod Evgenija (RUS)23031-040 ≣E20Cup Russia (open)
133Shianovsky Vladis...2255Usachyi Mark (UKR)21961-040 ≣E20Ch Kiev
334Wildi Marcel (SUI)2261Tatai Stefano (ITA)23670-140 ≣E20It
124Johannessen Svein...2273Gislason Sigurgei...1-040 ≣E41Olympiad16 Sep 1956
811Schwarz Dusan (SVK)2303Hausner Ivan (CZE)24460-140 ≣E20Extraliga 2008/0918 Jan 2009
446Werner MariaPluemer Detlef (GER)21960-140 ≣E20Oberliga Northeas...
921Bahzad Zeenaldeen...2118Ares Saber Majeed21421-040 ≣E20Ch Iraq23 Mar 2012
135Pasman MarksKlasups Karlis1-040 ≣E41Ch Riga
191Erozbek Akdogan2200Suwandhio Eddy0-140 ≣E20Olympiad
639Kaminik Aleksanda...2245Zifroni Dov (ISR)25480-140 ≣E20Memorial V.Liberz...
119KunzDudeck1-040 ≣E20Memorial Dyckhoff...
635Tan Kenneth (SIN)2123Aizuddin Che Hassan1-040 ≣E20It (open)
861Swiech Przemyslaw...1448Obrusnik Michal (...22100-140 ≣E41Ch Poland (team) ...10 Jul 2010
517Thuemmler Manfred...2034Thal Olaf (GER)22951-040 ≣E20It (open)
207Payrhuber KlausBohm Hans (NED)23170-140 ≣E20Ch Europe (juniors)
61Kottnauer Cenek (...2370Sliwa Bogdan (POL)22351-040 ≣E41Memorial G.Maroczy
195Mihaljcisin Mihaj...2280Ankerst Marjan (SLO)22101-040 ≣E20?
319NicolaiHoekstra W0-140 ≣E20corr.
573Kaminik Aleksanda...2179Ibragimov Ildar (...25540-140 ≣E20It (open)
427Schaedler Juergen...2096Mettendorf G1-040 ≣E20Oberliga Baden 19...
110Kwapisz StanislawSliwa Bogdan (POL)22351-040 ≣E20Ch Poland
362Birens Eric-Andre...1969Stawiarski Edmond...21680-140 ≣E20Ch France (qual)
655Ditiatev Sergey (...2385Malinin Vasily B ...24990-140E20It (cat.8)
865Nielsen John Baun...2148Eljanov Pavel (UKR)27610-140 ≣E20It (open) \01 Aug 2010
19Pruyt PHVan Den Berg Care...24100-140 ≣A17Ch Netherlands (1...
550Vigh Bela (HUN)2385Hallossy Tibor (HUN)21391-040 ≣E20It (cat.3)
284Karpeshov Oleg (RUS)2384Ehlvest Jaan (USA)24801-040 ≣E20Ch URS (1/2 final)
512Kluss Kai (GER)2150Ruzele Darius (LTU)25200-140 ≣E41It (open)
200Tabakiernik WLambshire MV0-140 ≣E41Ch Great Britain
165Colon H (PUR)Chipev T (BUL)0-140 ≣E20Olympiad
192Szabo Laszlo (HUN)1903Ortega Ruiz Jose ...22661-041 ≣E20Olympiad
399Blanco Cesar Augu...2105Roldan Manzo Eddy R1-041 ≣E20Ch Guatemala \
352Vaisser Anatoly (...2530Oll Lembit (EST)24751-041 ≣E41Cup URS (active)
732Berczes David (HUN)2415Kincs Imre (HUN)22401-041 ≣E20It (open)24 Jun 2006
82Keres Paul (EST)2580Ragozin Viachesla...1-041 ≣E20Tournament
912Glavas Dragan (CRO)2322Radocaj Denis (CRO)23180-141 ≣E20Ch Croatia (team)...07 Oct 2011
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
349Grubling KarlHaas Hans (SUI)20880-141 ≣A40Ch Schleswig Hols...
348Thorsteins Karl (...2430Boyd Stephen (FRA)22901-041 ≣E41It (open)
579Huennekes Theo (GER)2152Thiel Kuno (GER)23010-141 ≣E20It (open)
180Detthow BoDe Freitas Marcio...0-141 ≣E20Zt
523Liardet Fabrice (...2380Zhu Chen (QAT)25151-041 ≣E20It (open)
904Ezat Mohamed (EGY)2434Nabaty Tamir (ISR)25630-141 ≣E41Ch World (team)18 Jul 2011
443Roobol Martin (NED)2325Lemmers Oscar (NED)23701-041 ≣E41Ch Netherlands (q...
770Name Gabriel (BRA)2241Tsuboi Edson Kenj...23340-141 ≣E41It (open)17 Nov 2007
148Owtschinkin GPopp Franz1-041 ≣E41corr.
226Garcia Raimundo (...2420Hamann Svend (DEN)24901-041 ≣E20Olympiad
166Johannessen Svein...2273Filipov F (BUL)1-041 ≣E20Olympiad
45Mastichiadis FotisO'kelly De Galway...24600-141 ≣E20Olympiad
256Garcia Raimundo (...2327Giardelli Sergio ...23151-041 ≣E20Olympiad
547Taggatz Mario (GER)2303Illijin Neboisa (...22601-041 ≣E20It (open)
241Lim Kok Ann Dr (SIN)2038Sztekel1-041 ≣E20Olympiad
299Quinque KFauth Heinz1-041 ≣E20corr.
414Wills ColinGilmour Duncan1-041 ≣E41Ch Belconnen
375Borici Ylvije (ALB)Mills Natalie (AUS)20290-141 ≣E20Olympiad
756Steinmacher Josef...2067Zuelle Bruno (SUI)21401-041 ≣E20Ch Baden (b)06 Apr 2007
106Vladimirov Boris ...2340Kholmov Ratmir D ...24320-141 ≣E20Ch URS (1/2 final)
139Espinoza CarlosPinzon Solis Filipe0-141 ≣E20It
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
764Kazakova AnastasiaAbdrakhmanova Sar...20040-141 ≣E20Tournament (junio...
882Kornyukov Alexey ...2483Shibaev F (RUS)23450-141 ≣E20Ch Southern FO (o...13 Mar 2011
150Gligoric Svetozar...2447Ivkov Borislav (SRB)24161-041 ≣E20It
749Chiong Luis (PHI)2364Paciencia Enrique...24320-141 ≣E41It (open)26 Dec 2006
141Lehmann Heinz G (...2285Weise Dietrich1-041 ≣E20Ch BRD
450Sarmiento Alfonso...2230Garcia Padron Jua...22020-141 ≣E41It (open)
890Dobos Jozsef (HUN)2272Kelemen Gabor (HUN)21890-141 ≣E41Ch Hungary (team)...01 May 2011
199Skalkotas Nikolao...2178Cabezudo Carlos0-141 ≣A17Ch World (juniors...
393Polgar Zsuzsa (USA)2540Granda Zuniga Jul...25651-041 ≣E20It
895Ezat Mohamed (EGY)2434Belouadah Saad (ALG)22870-141 ≣E41Ch Africa08 Jun 2011
826Bisaro Andrea (ITA)1702Del Forno Sinicco...17851-041 ≣E41Tournament (open)11 Jul 2009
118Geller Efim P (RUS)2455Djurasevic Bozida...1-042 ≣E20Match \
43Castillo Larenas ...O'kelly De Galway...24600-142 ≣E20Olympiad
162Lombardy William ...2435Evans Larry M (USA)24700-142 ≣E20Match
170Calero I (CUB)Ivkov Borislav (SRB)24160-142 ≣E20Memorial J.Capabl...