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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
128Napolitano Mario ...Batik Frantisek0-112 ≣E41?
269Barbero Gerardo F...2441Panno Oscar (ARG)25400-144 ≣E41It (open)
601Moskalenko Viktor...2508Bevia Luis Martin...21731-031 ≣E41It (open)
370Efimov Igor (MNC)2395Andreoli Renato (...21380-126 ≣E41It (open)
604Toth Bela (ITA)2389Kluss Kai (GER)22271-030 ≣E41Bundesliga (2nd) ...
373Minzer Claudio Ja...2452Ricardi Pablo (ARG)25131-048 ≣E41It \
862Musialkiewicz Jan...2104Borawski Jakub (POL)18670-121 ≣E41Ch Poland (team) ...10 Jul 2010
864Grochowski Marius...1919Tarajkiewicz Krzy...14661-029 ≣E41It (open)17 Jul 2010
661Nuber Blasius (GER)2303Ulmer Micha (GER)19591-072 ≣E41Ch Germany (junio...
377Dreyer Martin (NZL)2275Teo Kok-Siong (SIN)22740-160 ≣E41Olympiad
378Borulya Ekaterina...2308Tsiganova Monika ...21730-145 ≣E41Ch URS (w)
148Owtschinkin GPopp Franz1-041 ≣E41corr.
610Sarthou Gaetan (FRA)2399Spiridonov Nikola...24000-134 ≣E41It
611Fiorito Fabian (ARG)2418Santa Coloma Ernesto1-038 ≣E41It (open)
151Gasztonyi Endre (...2295Vladimirov Boris ...23400-135E41Match \
153Ben Hassan ALund Per (DEN)20150-124 ≣E41Olympiad (student...
866Huebner Alan-Ari ...1617Lang Martin (GER)19370-147 ≣E41It (open) \07 Aug 2010
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
616Petritaj Ferdinan...2194Van Hoolandt Patr...21691-028 ≣E41It (open)
820Ruiz Rodriguez Fe...Norte Garcia Andr...17040-131 ≣E41Tournament (open)...09 May 2009
743Olshevskiy Maxim ...2039Rodionov Georgy (...19811-088 ≣E41Ch Ukraine (junio...06 Nov 2006
135Pasman MarksKlasups Karlis1-040 ≣E41Ch Riga
392Urbatsch MarkSobczak Miroslaw ...19621-027 ≣E41corr.
700Tregubov Vadim (UKR)2390Yaremko Nazar (UKR)22030-140 ≣E41Ch Ukraine (junio...
749Chiong Luis (PHI)2364Paciencia Enrique...24320-141 ≣E41It (open)26 Dec 2006
751Shapran Nikita (RUS)1892Gutsuliak Yana (RUS)19490-133 ≣E41Memorial T.Petros...
892Ilic Dragan (SRB)2388Govedarica Radova...23891-028 ≣E41Cup Serbia (team)20 May 2011
753Vishnyakov Igor (...2182Konyukhov Mikhail...18521-021 ≣E41Memorial Polyak17 Jan 2007
825Bisaro Andrea (ITA)1702Pillon Giovanni P...18900-146 ≣E41Tournament (open)07 Jul 2009
332Vokac Marek (CZE)2471Damjanovic Mato (...23030-151 ≣E41It \
449Cerpa Deniz Jose ...2085Dominguez Santas ...0-146 ≣E41It (open)
630Tan Shihao Sean (...2067Ong Choon Hao Nat...0-130E41Ch ASEAN (juniors...
631Nur Mohammad Fadh...Lim Jun Zhe Louis...0-143 ≣E41Ch ASEAN (juniors...
633Idrisova Roza (RUS)2106Kryukova Irina (RUS)22610-136 ≣E41Ch Russia (w) (1 ...
826Bisaro Andrea (ITA)1702Del Forno Sinicco...17851-041 ≣E41Tournament (open)11 Jul 2009
410Markotic Gordan (...2287Kolev Atanas (BUL)25910-119 ≣E41It (open)
411Markotic Gordan (...2287Sole E1-026 ≣E41It (open)
188Cotta EduardoAlves Francisco1-032 ≣E41Ch Brazil
413Russell Corey (USA)2155Barnes Joel (USA)22481-080 ≣E41It \
418Horsch HeinerBrodsky Michail (...25200-129 ≣E41It (open) \
609Fernandez Juan C ...2410Gonzalez Aguirre ...21440-163 ≣E41It (open)
421Siciarz JTustanowski Rober...22740-136 ≣E41Ch Poland (corr.)
759Rodrigo Edson (BRA)1962Gallo Ponce Elber...22020-1103 ≣E41It (open)27 May 2007
640Tsadzikidze Natia...2308Epitashvili Ketev...21731-051 ≣E41Ch Georgia (w)02 Apr 2001
425Bern Ivar (NOR)2370Csom Istvan (HUN)24751-043 ≣E41It (open) \
522Jetzl Joerg (AUT)2203Lopushnoy Denis (...23850-120 ≣E41It (cat.3)
719Longa Yauca Javie...2324Rivas Pastor Manu...24610-157 ≣E41It (open)25 Aug 2005
869Navrotescu Andree...1910Aseeva Anastasia ...17631-026 ≣E41Ch Europe (junior...23 Sep 2010
460Ryskin Alexander ...2435Pushkov Nikolai (...25150-134 ≣E41It
643Gutierrez Coll Ju...2050Oliver Jose Luis0-151 ≣E41It (open)
17Najdorf Miguel (POL)2445Rohacek Vladimir ...1-020 ≣E41Memorial K.Treybal
644Farrell RogerPetersons Haralds1-024 ≣E41Ch ACT
775Ipatov Alexander ...2265Golubka Petr (UKR)22701-051 ≣E41Ch Ukraine (junio...06 Dec 2007
434Minzer Claudio Ja...2370Aberbach Angel (ARG)20301-027 ≣E41It (open)
762Huynh Lam Binh Ng...2021Tran Quang Khai (...20251-035 ≣E41Ch Vietnam (junio...07 Jul 2007
209Muratov Vladimir ...Kacaiev1-031 ≣E41Ch Kazakhstan
212Szabo Laszlo (HUN)1903Najdorf Miguel (POL)24450-125 ≣E41It
928Castaneda ReinaldoPinero Carlos21280-156 ≣E41Ch Venezuela (exp...19 Jun 2012
786Hasanova Turkan (...1897Timman Jan H (NED)25800-143 ≣E41Cup President13 May 2008
437Richter Michael (...2225Lagershausen Thomas0-153 ≣E41It (open) \
634Cvetkovic Ivana (...Franciskovic Bork...20501-053 ≣E41Ch Croatia (team)...
526Manakova Maria (SRB)2345Saunina Ludmila (...22601-060 ≣E41Ch Russia (w)
780Olarasu Ioana (ROM)1820Baciu Anca-Otilia...21770-134 ≣E41Ch Romania (w)25 Feb 2008
404Dreyer Martin (NZL)2275Metge J Nigel (NZL)21301-039 ≣E41Ch New Zealand
647Ahern JohnKarkanaqe Ilir (ALB)23660-128 ≣E41Cup European Club...
871Romero OscarCastaneda Jorge L...21230-153 ≣E41Ch Pan-American (...18 Nov 2010
895Ezat Mohamed (EGY)2434Belouadah Saad (ALG)22870-141 ≣E41Ch Africa08 Jun 2011
703Regis Georg (GER)2129Schmidt Gerhard (...20621-065 ≣E41Oberliga East B 2...14 Nov 2004
750Ganaus Hannes (AUT)2326Slaby Jerzy (POL)24370-155 ≣E41It (open)29 Dec 2006
443Roobol Martin (NED)2325Lemmers Oscar (NED)23701-041 ≣E41Ch Netherlands (q...
770Name Gabriel (BRA)2241Tsuboi Edson Kenj...23340-141 ≣E41It (open)17 Nov 2007
896Yargici Mazhar Ku...1921Emiroglu Cankut (...22421-053 ≣E41Ch Turkey (team)02 Jul 2011
677Ruchkin Yuri (RUS)2238Makhianov Vadim (...22011-026 ≣E41Ch Russia (1/2 fi...
134Cintron RafaelCardoso Radolfo T...23300-142 ≣E41Olympiad
506Nikolic Zoran (SRB)2225Kajganovic Miodra...22701-039 ≣E41Ch Yugoslavia (1/...
874Jansen Lauritz (GER)1790Grigorian Spartak...18351-022 ≣E41Ch Germany (junio...29 Dec 2010
776Ganaus Hannes (AUT)2294Moranda Wojciech ...25330-145 ≣E41Ch Europe (active)15 Dec 2007
450Sarmiento Alfonso...2230Garcia Padron Jua...22020-141 ≣E41It (open)
58Brunet PhilipZalys Ignas0-160 ≣E41Match
836Ezat Mohamed (EGY)2459Ameir Moheb (EGY)20881-050 ≣E41Ch Arab Cities29 Oct 2009
99Lloyd Ken2200Van Hoorne1-047 ≣E41Ch World (juniors...
570Roobol Martin (NED)2260Janssen Ruud (NED)23450-149 ≣E41It (open)
594Tikhanov Adolf (RUS)2235Orlov Vassily (RUS)24310-154 ≣E41It (open) \
453AkopianUtemov Vladimir (...23850-129 ≣E41It (open)
897Nyvlt Otto (CZE)1986Sodoma Jan (CZE)23800-132 ≣E41It \03 Jul 2011
533Reduan Aband MohdHisar Simanjuntak0-136 ≣E41Ch World Cities
662Koczo Kristof (HUN)2081Nemeth Miklos (HUN)22900-125 ≣E41Ch Hungary (junio...30 Mar 2002
433MacKay Ian D (SCO)2289Motwani Paul (SCO)24940-173 ≣E41Ch Scotland
663Rattray Gordon2055McKay Roderick M ...23710-121 ≣E41Ch West Scotland26 May 2002
920Feliciano Vanessa...2194Da Cruz Karoliny ...17991-024 ≣E41Ch Brazil (w)22 Mar 2012
801Yurkov Alexey (UKR)2174Minenko Andrey (RUS)23261-052 ≣E41Ch Ukraine (junio...02 Oct 2008
590Krak Tomas (SVK)2076Juricek Stanislav...22740-150 ≣E41It (open)
416Gokhale J Tratar ...Fish Gennadij (GER)24400-154 ≣E41Ch World (juniors...
467Pyka Andreas (GER)2056Esser Norbert (GER)21880-138 ≣E41Cup Germany
402Rodrigues JPOliveira Antonio ...22221-033 ≣E41It (open)
487Chiong Luis (PHI)2390Nirav Y Rajasuba ...22551-053 ≣E41It (open)
486Jugow Alexander (...2152Breustedt Werner ...22401-049 ≣E41Ch World (seniors)
60Ciejka TadeuszBalcarek Wiktor0-162 ≣E41It
668Moskalenko Viktor...2551Bagheri Amir (FRA)24960-136 ≣E41Ch France (team) ...
669Nilsson Erik (DEN)2168Cooper Lawrence (...23040-128 ≣E41Ch NATO