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Nimzo-Indian, Sämisch Variation, Keres Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5

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
744Rambaldi Francesc...2176Georgiadis Ioanni...24350-141 ≣E20It (open)16 Jul 2011
162Rau Juergen (GER)2152Mittag L1-026 ≣A17corr.
167Rau Juergen (GER)2152Mayr1-023 ≣A13Europe Tournament...
172Ree Hans (NED)2465Ligterink Gert (NED)24500-129 ≣E20Ch Netherlands
51Richardson Keith ...2137Wade Robert G (ENG)21480-136 ≣E20Tournament
685Richter Michael (...2459De Verdier Michae...23411-042 ≣E20Cup Rilton (open)04 Jan 2010
355Rittler Robert (AUT)2199Janetschek Karl (...23100-131 ≣E20Staatsliga B East...
731Robertson J StuartHarley-Yeo Gareth...20061-029E20Ch England (team)...01 May 2011
473Roeschlau Bernd (...2314Kersten Uwe (GER)23571-043 ≣E20Ch Hessen
281Rohwer Paul (USA)2225Benjamin Dan (USA)22801-034 ≣E20Ch USA (juniors) ...
376Romaszko-Van Den ...2085Aksiuczyc Monika ...22570-142 ≣E20Ch Poland (w)
412Romaszko-Van Den ...2085Alienkin Aleksand...23650-140 ≣E20Memorial Karl Wag...
559Romon Poves Raul ...2209Gomez Luesia Jesu...21961-040 ≣E20It (cat.4)04 Oct 2005
202Roschlau BVerat Laurent (FRA)23381-028 ≣E20It (open)
674Rosenthal Joachim...2240Toth Ervin (HUN)23840-128 ≣E20It (open)05 Sep 2009
640Rosenthal Jonatha...2208Mohan Rahul (KEN)16151-032E20Olympiad (juniors...17 Aug 2008
147Rubinetti Jorge (...2420Sanguinetti Raul ...25050-142 ≣E20Ch Argentina
667Rudd Jack (ENG)2326Gibson Christophe...19911-046 ≣E20It (open)12 Jul 2009
406Rudolph Johannes ...2288Lendwai Reinhard ...23750-140 ≣E20Staatsliga B Sout...
396Rudolph Johannes ...2288Klein Volker (GER)22190-142 ≣E20Bayern Landesliga...
593Ruiz Vinals Matia...2030Hoenick Andreas (...21770-134 ≣E20It (open)27 Oct 2006
34Rutman Aleksandr ...2198Selevinski0-129 ≣E20Match \
221Ruygrok DennisHotting Arend0-116 ≣E20corr.
768Sadorra Julio Cat...2506Onischuk Alexande...26740-141 ≣E20It (cat.10)19 Dec 2011
250Safin Shukhrat (UZB)2472Teplitsky Yan (CAN)24481-022 ≣E20Ch Uzbekistan
310Sagalchik Gennadi...2442Moskow Eric (USA)21771-022 ≣E20It
193Sahovic Dragutin ...2259Miralles Gilles (...24301-034 ≣E20It (open)
266Sakaev Konstantin...2495Brodsky Michail (...24151-039 ≣E20Ch URS (young mas...
240Sakaev Konstantin...2609Emms John M (ENG)24301-037 ≣E20It
388Sakaev Konstantin...2600Ivanov Alexey Jr ...24240-138 ≣E20Cup European Club
9Sakellaropoulos ThLoverdos S1-024 ≣E20Ch Greece
128Sakovich Igor (LAT)2210Shmit Anatoly (LAT)22000-143 ≣E20?
337Saldano Horacio (...2275Zarnicki Pablo (ARG)24750-121 ≣E20It (open)
426Salmela Hannu (FIN)2041Lugovoi Aleksei (...25090-145 ≣E20It \
436Salmela Hannu (FIN)2047Solozhenkin Evgen...25040-123 ≣E20It (open) \
475Salmela Hannu (FIN)2058Maki-Uuro Miikka ...23730-143 ≣E20Ch Finland (team)...
453Salmela Hannu (FIN)2047Agopov Mikael (FIN)23990-149 ≣E20It (open)
658Samdanov Samdan (...1989Vafin Ayrat (RUS)20890-134 ≣E20Ch Russia (junior...20 Apr 2009
822Samdanov Samdan (...2221Angarov Dmitriy (...19121-033 ≣E20Ch Buryatia30 Sep 2012
613Sanchez de Las Ha...Toranzo Fernandez...20090-132 ≣E20It (open)07 Oct 2007
820Sandhoefner Flori...2228Blasl Dietmar (AUT)20701-039 ≣E20It (open)02 Sep 2012
27Sanguinetti Raul ...2485Luckis Marcos22701-020 ≣E20It
24Sanguinetti Raul ...2485Wexler Bernardo (...1-040 ≣E20It
811Santos Latasa Jai...2399Favarel Antoine (...22671-033 ≣E20It (open)02 Aug 2012
810Santos Latasa Jai...2399Inkiov Ventzislav...24600-145 ≣E20It (open)01 Aug 2012
697Savage Nicholas W...2134Scott David20581-049 ≣E20Ch England (team)...03 May 2010
662Savchenko Aleksei...2246Hirneise Jens (GER)22840-132 ≣E20Ch Germany (junio...10 May 2009
661Savchenko Aleksei...2246Graf Felix (GER)22910-148 ≣A40Ch Germany (junio...10 May 2009
300Savchenko Stanisl...2505Reeh Oliver (GER)24551-040 ≣E20It (open) \
394Sbarra Marco (ITA)2280Bossi Alessandro ...20191-031 ≣E20It (open)
292Schipkov Boris (RUS)2330Sziraki Tamas (HUN)22990-132 ≣E20It (open) \
68Schmidt Johannes ...2243Lengyel C1-024 ≣E20Europe Tournament...
67Schmidt Johannes ...2243Gigas J1-046 ≣E20Ch BRD (corr.)
195Schreiber Hans (GER)1981Reinhardt W (GER)1-037 ≣E20Europe Tournament...
196Schreiber Hans (GER)1981Stammberger S0-129 ≣E20Europe Tournament...
194Schreiber Hans (GER)1981Bascetta Biagio0-122 ≣E20Europe Tournament...
665Schroer Marcel (NED)2128Tjiam Dharma (NED)23810-135 ≣E20It (open)30 May 2009
30Schweber Samuel (...2348Eliskases Erich G...24300-129 ≣E20Ch Argentina
494Segura Ariza Jose...2181Munoz Agullo Jose...22891-040 ≣E20XVI Obert Es Vermar
660Sesma Rubio Patxi...2128Mascaro March Ped...23820-135 ≣E20Ch Spain (team) (...01 May 2009
639Shamima Akter Liz...2094Misovic Sanja (MNE)19371-025 ≣E20Ch World (juniors...05 Aug 2008
428Shariyazdanov And...2588Brumen Dinko (CRO)23601-032 ≣E20Ch Croatia (team)...
723Shatko Danil (ESP)2097Ayas Fernandez An...22860-136 ≣E20Ch Catalunia (tea...05 Mar 2011
765Shaw Peter (ENG)2180Polaczek Richard ...23770-137 ≣E20Ch England (team)...13 Nov 2011
314Shirov Alexei (ESP)2710Arnason Jon L (ISL)25250-143 ≣E20It
241Shirov Alexei (ESP)2580Lerner Konstantin...25601-041 ≣E20Zt
315Shirov Alexei (ESP)2710Olafsson Helgi (ISL)22701-023 ≣E20It
257Shirov Alexei (ESP)2610Renet Olivier (FRA)24851-028 ≣E20Match
258Shirov Alexei (ESP)2610Renet Olivier (FRA)24851-031 ≣E20Match
324Shirov Alexei (ESP)2685Karpov Anatoly (RUS)27600-138 ≣E20It (blitz)
309Shirov Alexei (ESP)2710Georgiev Kiril (MKD)26100-139 ≣E20Olympiad
303Shirov Alexei (ESP)2710Chandler Murray G...25751-033 ≣E20It (cat.14)
290Shirov Alexei (ESP)2710Karpov Anatoly (RUS)27150-139 ≣E20It
235Shirov Alexei (ESP)2580Unzicker Wolfgang...24751-038 ≣E20It
289Shirov Alexei (ESP)2710Georgiev Kiril (MKD)26100-141 ≣E20It
288Shirov Alexei (ESP)2710Beliavsky Alexand...25950-140 ≣E20It
395Shishkin Vladimir...2169Rodriguez Lopez R...23251-040 ≣E20It (b)
780Shyam Sundar M (IND)2462Zemerov Vladimir ...23230-140 ≣E20It (open)01 Feb 2012
625Sieciechowicz Mar...2321Sochacki Wojtek (...22441-047 ≣E20Ch Poland (junior...02 Apr 2008
742Silva Rodriguez F...2140Carstensen Jacob ...23720-129 ≣E20It (open)10 Jul 2011
787Simantsev Mikhail...2548Naumkin Igor (RUS)24430-141 ≣E20It (open)09 Mar 2012
527Simantsev Mikhail...2402Goltsov Denis (RUS)22961-020 ≣A40It (c)30 Aug 2004
689Simantsev Mikhail...2541Mischuk Dmitry (UKR)23551-042 ≣E20It (cat.7)
709Simantsev Mikhail...2541Milanovic Slavisa...23891-041 ≣A40Ch Serbia (team) ...19 Sep 2010
650Sisatto Olli (FIN)2281Stips Felix (ITA)21051-032 ≣E20Cup Rilton29 Dec 2008
758Sisatto Olli (FIN)2236Alekseev Evgeny (...26590-128 ≣E20Cup European Club25 Sep 2011
141Slavov Dimcho (BUL)2225Bobotsov Milko G ...24050-138 ≣E20It
45Sliwa Bogdan (POL)2235Kostro Jerzy (POL)23051-047 ≣E20Ch Poland
53Sliwa Bogdan (POL)2235Lengyel Levente (...22930-141 ≣E20It
29Sliwa Bogdan (POL)2235Kluger Gyula (HUN)22500-148 ≣A17It
513Slupik ChrisAnton Teodor (ROM)20920-131E20Dos Hermanas Qual...18 Mar 2003
821Smirnov Alexey (RUS)2419Severina Maria (RUS)21731-037 ≣E20Cup R.Nezhmetdino...29 Sep 2012
69Snellman SvenMykra Veikko1-039 ≣E20?
175Soderman BrorSopanen Pekka1-035 ≣E20?
66Soeby Frode (DEN)Larsen Bent (DEN)24151-041 ≣E20Ch Denmark
231Sokolov Sergey M ...Aleksandrov Aleks...23401-039 ≣E20Ch URS (qual)
407Solana Suarez Ern...2285Gomez Esteban Jua...24750-127 ≣E20It (open)
762Soler Colomer Val...2013Ortega Serra Marc...22340-145 ≣E20Tournament (open)15 Oct 2011
663Soler Colomer Val...2065Ortega Serra Marc...21210-127 ≣E20Tournament (Elo) (1)14 May 2009
653Solomin Maxim (RUS)1958Aksenov Anton1-038 ≣E20Ch City (1 league)14 Feb 2009