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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
459Geyer UlfBerresheim Helmut...21160-149 ≣E20Ch RLP (juniors) ...
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
240Samani MSharifi Poor M R0-126 ≣E20Ch Iran
871Romero OscarCastaneda Jorge L...21230-153 ≣E41Ch Pan-American (...18 Nov 2010
12Cruz Walter Oswal...De Souza Mendes J...1-035 ≣E20Ch Brazil (qual)
530De Groot ThijsCarstensen Jacob ...21650-168 ≣E20It (open) (juniors)
667Papacek TomasVoboril Pavel (CZE)21050-148 ≣E20Czech League 2002...
8Gotthilf SVasiliev (RUS)0-149 ≣E41Ch \
884Seleznev ValentinSkliarov Olexandr...20330-158 ≣E20Tournament (open) \19 Mar 2011
6Goldstein Maurice...Cornforth John Wa...0-149 ≣E41Ch Australia07 Jan 1937
637Shevchenko MaksimLanin Alexsej (RUS)21660-126E20Ch Russia (junior...
283Kretschmar HeinzDubinin Peter V (...0-138 ≣E41corr.
2Rjumin N (RUS)Panov Vasily N (RUS)1-042 ≣E41Ch URS
239Brilla Banfalvi S...Koskinen Unto1-027 ≣E20corr.
7Klein Ernst LudwigEuwe Max (NED)0-161 ≣E20It
906Ivanov FedorGoryachkin Alexan...20690-154 ≣E20Memorial Ermolaev...10 Aug 2011
62Huguet HGaribaldi Oscar (...1-020 ≣E20Ch Argentina
321Ezeokoli MMartin Benjamin (...23750-151 ≣E41Ch World (juniors...
26Olivera AlfredoLuckis Marcos22700-167 ≣E20It
916Unanyan KlaraAseeva Anastasia ...19810-126 ≣E00It (open) (w)28 Jan 2012
27Olivera AlfredoO'kelly De Galway...24601-042 ≣E20It
86Berenzon MauricioMangini Jose Thiago0-136 ≣E20Ch Brazil
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
928Castaneda ReinaldoPinero Carlos21280-156 ≣E41Ch Venezuela (exp...19 Jun 2012
37Spanjaard EduardVan Den Berg Care...24100-118 ≣E20Ch Netherlands
807Muraviev DLugovoy Yury (RUS)22581-029 ≣E20Ch City (open)
939Schulte-Braeucker...Essegern K1-028 ≣E20Ch Germany (seniors)16 Aug 2012
822Ryklis BorisKolmakov Pavel (RUS)22680-122 ≣E41It (open) \19 Jun 2009
155Taieb AKuijpers Frans A ...22800-136 ≣E20Olympiad (student...
330HoltMahdeo1-042 ≣E41corr.
324Griffin PSorensen Torben (...23580-129 ≣E20Europe Tournament...
323Peterman RRohde Michael A (...25500-124 ≣E41It (open)
318PoschustaHort Vlastimil (GER)25450-136 ≣E20It (open)
312WinklerGlasewald Stefan ...20791-043 ≣E20corr.
345Computer \Computer \0-138 ≣E20Ch Netherlands (c...
299Quinque KFauth Heinz1-041 ≣E20corr.
350Napolitano Mario ...Bryson0-128 ≣E41corr.
414Wills ColinGilmour Duncan1-041 ≣E41Ch Belconnen
354Stafrace JHamalainen Sami (...22660-134 ≣E20Ch Europe (juniors)
357LarssonJohansson1-026 ≣E20Cup Nordic (corr.)
358Mustonen VesaWelling Pauli1-054 ≣E20?
311Ehrnrooth JohanPlank Gosta1-029 ≣E41?
364Schmidt KerstinPirrung Robert0-132 ≣E20Ch BRD (under 25)...
308Thompson (USA)Blomquist Gary1-049 ≣E20Ch USA (corr.)
286SchreiberWicklund Hansen G...1-025 ≣E20corr.
374Hirsch RobertAnderton David W ...22210-120 ≣E20corr.
375Borici Ylvije (ALB)Mills Natalie (AUS)20290-141 ≣E20Olympiad
376Clement CCallychurn J1-062 ≣E20Olympiad
303Anderson AnthonyAlmeida Jose T (POR)21980-142 ≣E41Ch World (team) (...
300SchreiberSchmidt0-132 ≣E20corr.
439Ceragioli JohnHimes Harold0-130 ≣E20Ch State California
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
385Hess AlexanderSutterer Robert (...22050-125 ≣E20It (open)
388Moulton PKennedy Michael (...17991-044 ≣E20It (open)
390Chapman RogerVan Dijk Timon (NED)22330-125 ≣E20corr.
392Urbatsch MarkSobczak Miroslaw ...19621-027 ≣E41corr.
397Hagstrom AllanKalveus Jan (SWE)1-039 ≣E20Ch Sweden (corr.)
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
285SchreiberJakimenko A0-138 ≣E20corr.
405Baez IsidoroSaavedra Juan (CHI)21140-135 ≣E20Tournament (team) \
423Bauerle PHaakonstad O1-030 ≣E20Tournament
282Brkusanin DBiukovic Goran (CRO)1-027 ≣E20It (open)
444Thron CarstenHelms Sven (GER)20600-144 ≣E20Ch JBLN East 1993/94
418Horsch HeinerBrodsky Michail (...25200-129 ≣E41It (open) \
619Berg Kurt M (NOR)Royset Paal (NOR)22570-170 ≣E41It (open)
421Siciarz JTustanowski Rober...22740-136 ≣E41Ch Poland (corr.)
634Cvetkovic Ivana (...Franciskovic Bork...20501-053 ≣E41Ch Croatia (team)...
112Szapiro GSolecki Zbigniew1-018 ≣E20Ch Poland
271Sherwood CharlesCasey Kevin (AUS)20700-120 ≣E20It (open) \
268Weber Robert1Gerusel Mathias (...24251-064 ≣E20It
435Port Hans JuergenWalther Karl Heinz1-045 ≣E20Ch Bahn (H)
436Maenner AchimThom Ulrich0-138 ≣E20Verbandsliga Nort...
263Gotzhein HLauer F0-155 ≣E20corr.
441Ernst KlausBerndt Walter (GER)21571-033 ≣E20It (open)
442Bauerle PBluestone M1-032E20It (open) \
262Vaisanen VeikkoHonkaniemi Raimo1-037 ≣E20?
445Saglam BuelentSondors Peteris (...20780-155 ≣E20Oberliga Mittelrh...
446Werner MariaPluemer Detlef (GER)21960-140 ≣E20Oberliga Northeas...
260Holley MaxBerry Jonathan (CAN)22490-144 ≣E20corr.
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
452LibertNilsson Nils S (DEN)22600-120E20Memorial I.Bolesl...
453AkopianUtemov Vladimir (...23850-129 ≣E41It (open)
251Kretschmar HeinzKramer Haije J (NED)23300-134 ≣E41Olympiad (corr.)
458Henderson HYu Peter (USA)22470-156 ≣E20Memorial Colias (...
249Garrido FedericoChaves Marcelo Fe...21341-040 ≣E20Olympiad
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
245Putkonen HeikkiRantanen Veikko0-135 ≣E20?
470Port Hans JuergenWalther Karl Heinz0-150 ≣E20Ch Bahn (team)
244Kaltofen HSchwanfelder Martin1-022 ≣E20corr.
476Belcher EdwardEncencarnacion Er...22111-033 ≣E20It \
480Ilham Abd Hamid (...Ooi Chern Ee (MAS)22200-123 ≣E20Ch Asia (team)
238Brilla Banfalvi S...Bjorkqvist Armas1-020 ≣E20corr.
127Esposito AlfredoPiro A1-035 ≣E20Tournament
488Pham Gia HuyDuong Thanh Binh1-045 ≣E41Ch Vietnam (team)
234Vehreschild HScheffer G1-023 ≣E20corr.
230De Carbonnel HeinzKeglevic Pavao (CRO)22030-132 ≣E20Ch Europe (team) ...
496Aurich MPfaff Timo0-133 ≣E41Ch Region
221PopovCarosi1-029 ≣E20corr.
220Dreesbach HSchafer Rudiger1-038 ≣E20corr.
219Glotov VSoloviev Vladimir...23420-125 ≣E41?