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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
528Gruss SManigk Sebastian ...21511-051 ≣E20Bundesliga (junio...
649Kaminik Aleksanda...2266Manor Ilan (ISR)24830-137 ≣E20Ch Israel (team)
469Zawadski Stephane...2181Marciano David (FRA)24550-154 ≣E20Ch France (team)
853Simovic Mladen (CRO)1862Marcic Ivica (CRO)20050-184 ≣E20It (open)06 May 2010
156Trapl Jindrich (CZE)2336Marsalek Josef (CZE)20711-025 ≣E20Ch Czechoslovakia
888Stanciu Alexandru...2308Martian Dragos-Da...20111-052 ≣E20Ch Romania (junio...15 Apr 2011
368Santos Carlos P (...2404Martin Benjamin (...23751-039 ≣E20Ch World (juniors...
272Mendoza Navas Ped...2195Martin Marfil Fra...20311-026 ≣E20Ch Malaga16 Feb 1980
253Swindell LMartz William R0-142 ≣E20It \
407Skoberne D1850Marusic V18500-158 ≣E20Ch Slovenia (1 liga)
49Donner Jan-Hein (...2430Matanovic Aleksan...24900-142 ≣E20Zt
197Litkiewicz Kurt (...2240Maton A1-022 ≣E20Europe Tournament...
341Federau Juergen (...2186Matthigak W1-032E20Bundesliga 1987/88
589Karner Christoph ...2181Medvegy Zoltan (HUN)23970-125 ≣E20Ch Europe (junior...
717Shevchenko Tanya ...2157Meier Volker (GER)22790-137 ≣E20It (open) (a)24 Jul 2005
941Edirisinghe Dulan...2046Meshkov Yuri A (RUS)23900-170 ≣E20Olympiad05 Sep 2012
725Bukal Vladimir Jr...2443Meszaros Tamas (HUN)23521-028 ≣E20Bundesliga B Mitt...04 Mar 2006
427Schaedler Juergen...2096Mettendorf G1-040 ≣E20Oberliga Baden 19...
359Horch JMicheel1-032 ≣E20Ch DDR (corr.)
714Bricard Emmanuel ...2474Miezis Normunds (...24701-050 ≣E20It21 Jul 2005
763Sladkov Alexei (RUS)2183Mikhailenko Galin...19221-034 ≣E20It (open) \24 Jul 2007
823Selnes Hamish (AUS)1912Milligan Helen (NZL)19761-022 ≣E20Zt24 Jun 2009
375Borici Ylvije (ALB)Mills Natalie (AUS)20290-141 ≣E20Olympiad
280Asfora Marco (BRA)2219Milos Gilberto (BRA)25970-156 ≣E20Ch Brazil
929Maksimovic Branim...2452Milovanovic Srbol...22171-035 ≣E20Ch Central Serbia...07 Jul 2012
689Garcia Galeote Lo...2124Minzer Claudio Ja...24240-126 ≣E20It (open)09 Apr 2004
915Vebel Goran (SRB)2123Mladenovic Stefan...21810-126 ≣E20Ch City (open)22 Jan 2012
527Neher MaxMoller Michael Dr...21850-149 ≣E20Bayern Landesliga...
147Wotulo Max A (INA)2245Momo Suren (MGL)0-149 ≣E20Olympiad
638Medina Jose (ESP)2098Montilla Carrillo...23030-138 ≣E20Ch Spain (team) (...
772Yezhel ValiantsinMoradi Amir Masoud0-157 ≣E20Ch World (juniors...25 Nov 2007
23Beni Alfred (AUT)2210Mueller Hans0-149 ≣E20It
769Denisov Boris (RUS)1987Mukhin Alexey (RUS)17261-061 ≣E20Ch Russia (PODA)07 Nov 2007
13Nuernberg FriedrichMuller Hans (AUT)0-134 ≣E20Ch Germany
824Stahnke Alexander...1799Muller Jonas19810-142 ≣E20Zt25 Jun 2009
281Haik Aldo (FRA)2405Murey Jacob (ISR)24290-148 ≣E20It (open)10 Sep 1981
844Benson Oisin P (IRL)2043Murray David (IRL)20391-037 ≣E20It (open)20 Mar 2010
549Mensch Etienne (FRA)2260Murzin Lenar (RUS)22601-028 ≣E20It (cat.2)
252Wiedenhoft LNeckel O1-055 ≣E20corr.
64Wise TNewman RH18151-024 ≣E20Ch Great Britain
670Barkovskaya Irina...2156Nikitina Aleksand...19321-025 ≣E20Ch Tver region (w)
452LibertNilsson Nils S (DEN)22600-120E20Memorial I.Bolesl...
225Huelsmann Josef (...2214Nippgen Georg (GER)22341-029 ≣E20Tournament
605Olsson Simon (SWE)2130Nordstrom K1-023 ≣E20It (open)
509Cherniack Alex (USA)2270Nute Gary A (USA)22201-028 ≣E20It \
214Nielsen Carl-EvaldOe Oluf (DEN)20610-143 ≣E20Memorial L.Rasmussen
520Bartl Ulf (GER)2019Oezen Alf18651-054 ≣E20It (open) \
146Toran Albero Roma...2445O'Hare E1-031 ≣E20Olympiad
43Castillo Larenas ...O'kelly De Galway...24600-142 ≣E20Olympiad
27Olivera AlfredoO'kelly De Galway...24601-042 ≣E20It
92Neu AloyseO'kelly De Galway...24600-146 ≣E20Olympiad
45Mastichiadis FotisO'kelly De Galway...24600-141 ≣E20Olympiad
91Milev Zdravko (BUL)2230Olafsson Fridrik ...24340-131 ≣E20Olympiad
727Schmidt Anton (GER)2080Oleneva Svetlana ...21101-033 ≣E20Bayern Oberliga 2...02 Apr 2006
620Viniarski Alex (AUS)Oliver Gareth (AUS)21640-115 ≣E20Ch Australia (jun...
266Toth Bela (ITA)2345Olivotto Roberto1-031 ≣E20Ch Italy
480Ilham Abd Hamid (...Ooi Chern Ee (MAS)22200-123 ≣E20Ch Asia (team)
690Willinger TimO'Reilly Gerard0-168 ≣E20It (open)24 Apr 2004
125Mastichiadis Foti...O'Riordan Kenneth...1-026 ≣E20Olympiad17 Sep 1956
760Sacchini Marco (ITA)2150Orlov Andrey (RUS)24810-148 ≣E20It (open)14 Jun 2007
192Szabo Laszlo (HUN)1903Ortega Ruiz Jose ...22661-041 ≣E20Olympiad
164Gligoric Svetozar...2447Osmanagic Muamer ...22601-039 ≣E20It
587Feoktistov Alexey...2359Ovod Evgenija (RUS)23031-040 ≣E20Cup Russia (open)
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
204Sikora Jan (CZE)2251Pachman Ludek (GER)22780-134 ≣E20Ch Czechoslovakia
744Foisor Sabina-Fra...2326Padurariu Ioana-S...22211-047 ≣E20Ch Romania (team)...11 Nov 2006
75Santiago Oliveira...Paiva Omar0-136 ≣E20Ch Brazil
74Lima EdmundoPaiva Omar0-139 ≣E20Ch Brazil
885Reznik Vladimir (...2170Palchun Grigory (...21941-034 ≣E20Tournament \
683Toporov Victor (RUS)2107Part Fedor (RUS)19511-033 ≣E20It \
902Brink Baarry (NED)2193Pauw Sander (NED)21300-138 ≣E20It (open)16 Jul 2011
879Gundavaa Bayarsai...2467Pavlov Sergey (UKR)24771-035 ≣E20It (open) \16 Feb 2011
583Moreno Carlos (PER)1879Paz Jose C1-032 ≣E20Ch Peru (regional)
565Stodolova Kristyn...1980Pecinova Magda1-064 ≣E20Ch Czech Republic...
419Garcia LealPerello J0-134 ≣E20Ch Europe (corr.)
115Diez Del Corral J...2415Persitz Raaphi (SUI)23360-180 ≣E20It
259Lombardy William ...2540Peters John A (USA)24300-146 ≣E20It (open)
254Siff Boris2230Peters John A (USA)23700-124 ≣E20?
186Hruska Tomas (CZE)2026Petras Jan (CZE)20850-175 ≣E20Ch Czechoslovakia...
386Vigh Bela (HUN)2349Pieper-Emden Cars...22801-062 ≣E20It \
907Barlocco Carlo (ITA)2135Pierantozzi Stani...19711-057 ≣E20It (open)28 Aug 2011
679Dor R1870Pieroni Guillaume...21180-138E20It (open)24 Oct 2003
290Dolmatov Sergey (...2540Pinter Jozsef (HUN)25151-038 ≣E20It
139Espinoza CarlosPinzon Solis Filipe0-141 ≣E20It
127Esposito AlfredoPiro A1-035 ≣E20Tournament
364Schmidt KerstinPirrung Robert0-132 ≣E20Ch BRD (under 25)...
325Schlenga KlausPliester Leon (NED)23920-137 ≣E20Ch Netherlands (o...
773Mlcoch David (CZE)2191Plsek Miroslav (CZE)21630-137 ≣E20Czech League 2007...02 Dec 2007
446Werner MariaPluemer Detlef (GER)21960-140 ≣E20Oberliga Northeas...
365Wohlers-Armas Fri...2145Podrazhanskaya Ol...20680-143 ≣E20Zt (w)
315Voigt Martin (GER)2364Pohl Walter (GER)21231-037 ≣E20corr.
484Vigh Bela (HUN)2355Polak Tomas (CZE)24500-129 ≣E20It (open)
830Khachatryan Vahag...2278Polivanov Anatoli...23821-036 ≣E20It (open)12 Sep 2009
424Kaminik Aleksanda...2200Port Hans Juergen1-032 ≣E20Ch Bahn (G)
650Kaminik Aleksanda...2266Postny Evgeny (ISR)24940-157 ≣E20Ch Israel (team)
48Enevoldsen HaraldPoulsen Christian1-030 ≣E20Ch Denmark (play-...
899Rodriguez Eric (USA)2337Poza Juan Carlos0-131 ≣E20It (open)08 Jul 2011
529Sull Gyula (HUN)2059Pribula Nandor (HUN)19661-029 ≣E20It (open) \
53Perez Perez Franc...Prins Lodewijk (NED)22200-132 ≣E20It
213Epelman E GProkopp Heinz1-022 ≣E20Europe Tournament...