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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
550Vigh Bela (HUN)2385Hallossy Tibor (HUN)21391-040 ≣E20It (cat.3)
249Garrido FedericoChaves Marcelo Fe...21341-040 ≣E20Olympiad
415Loehr GernotWingender Hans Peter1-040 ≣E20Verbandsliga Nort...
448Borovicka Bohumil...1997Michenka Jozef (CZE)23460-140 ≣E41It (open)
133Shianovsky Vladis...2255Usachyi Mark (UKR)21961-040 ≣E20Ch Kiev
195Mihaljcisin Mihaj...2280Ankerst Marjan (SLO)22101-040 ≣E20?
235Shereshevski Mikh...2475Ubilava Elizbar (...25271-040 ≣E41Ch URS (young mas...
191Erozbek Akdogan2200Suwandhio Eddy0-140 ≣E20Olympiad
216Tomic Dragoslav (...2125Szabo Laszlo (HUN)19030-140 ≣E20It
655Ditiatev Sergey (...2385Malinin Vasily B ...24990-140E20It (cat.8)
700Tregubov Vadim (UKR)2390Yaremko Nazar (UKR)22030-140 ≣E41Ch Ukraine (junio...
587Feoktistov Alexey...2359Ovod Evgenija (RUS)23031-040 ≣E20Cup Russia (open)
427Schaedler Juergen...2096Mettendorf G1-040 ≣E20Oberliga Baden 19...
124Johannessen Svein...2273Gislason Sigurgei...1-040 ≣E41Olympiad16 Sep 1956
517Thuemmler Manfred...2034Thal Olaf (GER)22951-040 ≣E20It (open)
512Kluss Kai (GER)2150Ruzele Darius (LTU)25200-140 ≣E41It (open)
348Thorsteins Karl (...2430Boyd Stephen (FRA)22901-041 ≣E41It (open)
106Vladimirov Boris ...2340Kholmov Ratmir D ...24320-141 ≣E20Ch URS (1/2 final)
192Szabo Laszlo (HUN)1903Ortega Ruiz Jose ...22661-041 ≣E20Olympiad
443Roobol Martin (NED)2325Lemmers Oscar (NED)23701-041 ≣E41Ch Netherlands (q...
904Ezat Mohamed (EGY)2434Nabaty Tamir (ISR)25630-141 ≣E41Ch World (team)18 Jul 2011
756Steinmacher Josef...2067Zuelle Bruno (SUI)21401-041 ≣E20Ch Baden (b)06 Apr 2007
547Taggatz Mario (GER)2303Illijin Neboisa (...22601-041 ≣E20It (open)
523Liardet Fabrice (...2380Zhu Chen (QAT)25151-041 ≣E20It (open)
450Sarmiento Alfonso...2230Garcia Padron Jua...22020-141 ≣E41It (open)
45Mastichiadis FotisO'kelly De Galway...24600-141 ≣E20Olympiad
352Vaisser Anatoly (...2530Oll Lembit (EST)24751-041 ≣E41Cup URS (active)
393Polgar Zsuzsa (USA)2540Granda Zuniga Jul...25651-041 ≣E20It
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
139Espinoza CarlosPinzon Solis Filipe0-141 ≣E20It
241Lim Kok Ann Dr (SIN)2038Sztekel1-041 ≣E20Olympiad
299Quinque KFauth Heinz1-041 ≣E20corr.
579Huennekes Theo (GER)2152Thiel Kuno (GER)23010-141 ≣E20It (open)
414Wills ColinGilmour Duncan1-041 ≣E41Ch Belconnen
399Blanco Cesar Augu...2105Roldan Manzo Eddy R1-041 ≣E20Ch Guatemala \
749Chiong Luis (PHI)2364Paciencia Enrique...24320-141 ≣E41It (open)26 Dec 2006
882Kornyukov Alexey ...2483Shibaev F (RUS)23450-141 ≣E20Ch Southern FO (o...13 Mar 2011
890Dobos Jozsef (HUN)2272Kelemen Gabor (HUN)21890-141 ≣E41Ch Hungary (team)...01 May 2011
141Lehmann Heinz G (...2285Weise Dietrich1-041 ≣E20Ch BRD
732Berczes David (HUN)2415Kincs Imre (HUN)22401-041 ≣E20It (open)24 Jun 2006
895Ezat Mohamed (EGY)2434Belouadah Saad (ALG)22870-141 ≣E41Ch Africa08 Jun 2011
148Owtschinkin GPopp Franz1-041 ≣E41corr.
150Gligoric Svetozar...2447Ivkov Borislav (SRB)24161-041 ≣E20It
770Name Gabriel (BRA)2241Tsuboi Edson Kenj...23340-141 ≣E41It (open)17 Nov 2007
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
912Glavas Dragan (CRO)2322Radocaj Denis (CRO)23180-141 ≣E20Ch Croatia (team)...07 Oct 2011
764Kazakova AnastasiaAbdrakhmanova Sar...20040-141 ≣E20Tournament (junio...
226Garcia Raimundo (...2420Hamann Svend (DEN)24901-041 ≣E20Olympiad
375Borici Ylvije (ALB)Mills Natalie (AUS)20290-141 ≣E20Olympiad
166Johannessen Svein...2273Filipov F (BUL)1-041 ≣E20Olympiad
256Garcia Raimundo (...2327Giardelli Sergio ...23151-041 ≣E20Olympiad
82Keres Paul (EST)2580Ragozin Viachesla...1-041 ≣E20Tournament
180Detthow BoDe Freitas Marcio...0-141 ≣E20Zt
826Bisaro Andrea (ITA)1702Del Forno Sinicco...17851-041 ≣E41Tournament (open)11 Jul 2009
688Liascovich Lucas ...2415Arambel Sergio (ARG)22961-042 ≣E20It (open)08 Apr 2004
857Gongora Maikel (CUB)2468Morales Rolando (...22651-042 ≣E41Memorial J.Capabl...16 Jun 2010
287Vyzmanavin Alexey...2540Beliavsky Alexand...26001-042 ≣E20Ch URS
330HoltMahdeo1-042 ≣E41corr.
656Deruelle Sala Alb...2158Lozano Arribas Ca...21880-142 ≣E41It (open)
824Stahnke Alexander...1799Muller Jonas19810-142 ≣E20Zt25 Jun 2009
926Goncalves Ivan Me...2100Cruz Arquias Sofo...18381-042 ≣E20Ch Brazil (junior...07 Jun 2012
229Szabo Laszlo (HUN)1903Gheorghiu Florin ...25501-042 ≣E41Ch Europe (team)
267Szabo Laszlo (HUN)1903Lein Anatoly (USA)25350-142 ≣E41?
27Olivera AlfredoO'kelly De Galway...24601-042 ≣E20It
422Metzger Christian1985Boeckenhaupt Rudi...20601-042 ≣E20Ch Pfalz
49Donner Jan-Hein (...2430Matanovic Aleksan...24900-142 ≣E20Zt
2Rjumin N (RUS)Panov Vasily N (RUS)1-042 ≣E41Ch URS
43Castillo Larenas ...O'kelly De Galway...24600-142 ≣E20Olympiad
641Furesz Jorsef (HUN)2038Bardossi Jeno (HUN)21980-142 ≣E20Ch Hungary (team)...18 Nov 2001
170Calero I (CUB)Ivkov Borislav (SRB)24160-142 ≣E20Memorial J.Capabl...
118Geller Efim P (RUS)2455Djurasevic Bozida...1-042 ≣E20Match \
243Dittmann Hans-Ado...2170Groenegres Wilfri...21340-142 ≣E41It (b)
514Khairunnisa W (MAS)1967Mouradian Knarik ...21851-042 ≣E41Olympiad (w)
515Laimos NikolaosGalanos Dimitrios...19430-142 ≣E20Ch Greece (team)
586Danielsen Arne (NOR)2243Lilleoren David (...20800-142 ≣E41Ch Norway (team) ...
253Swindell LMartz William R0-142 ≣E20It \
134Cintron RafaelCardoso Radolfo T...23300-142 ≣E41Olympiad
591Mohamad JamalVujovic Milorad (...22580-142 ≣E20It (open)
56Rossetto Hector (...2285Vasconcellos Fern...1-042 ≣E20Zt
182Camara Helder (BRA)2347De Freitas Marcio...1-042 ≣E20Ch Brazil
563Carbajal Augusto ...2217Ramos Ernesto (PER)22800-142 ≣E20Ch Peru
203Nevole Vladimir (...2051Slizak1-042 ≣E20?
162Lombardy William ...2435Evans Larry M (USA)24700-142 ≣E20Match
303Anderson AnthonyAlmeida Jose T (POR)21980-142 ≣E41Ch World (team) (...
793Spirin Oleg (RUS)2438Andersen Morten (...21871-042 ≣E41Cup North Sea (open)16 Jul 2008
288Vyzmanavin Alexey...2540Chernin Alexander...24751-042 ≣E20Ch URS
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
898Ezat Mohamed (EGY)2434Ameir Moheb (EGY)21921-043E41It \05 Jul 2011
246Gotzhein HKuehn0-143 ≣E20corr.
829Naipal Victoria (...1791Chavez Diana Mari...18841-043 ≣E20Ch Continent (w)05 Sep 2009
312WinklerGlasewald Stefan ...20791-043 ≣E20corr.
911Abdel Razik Khale...2423Omorere Benjamin ...22231-043 ≣E41Tournament \10 Sep 2011
850Veleski Robert (MKD)2282Cioara Andrei Nes...24260-143 ≣E20It (open) \21 Apr 2010
277Kovalev Andrei (BLR)2513Gavrikov Viktor (...23651-043 ≣E20Memorial A.Sokolsky
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
474Kuta MiroslavVesely Roman1-043 ≣E20It (open)
631Nur Mohammad Fadh...Lim Jun Zhe Louis...0-143 ≣E41Ch ASEAN (juniors...
734Pham Nguyen Hoang...Truong Bao Thach ...0-143 ≣E20Ch Vietnam (junio...18 Jul 2006
876Zulfic Fedja (AUS)2081Smith Robert W (NZL)22751-043 ≣E20Zt
425Bern Ivar (NOR)2370Csom Istvan (HUN)24751-043 ≣E41It (open) \