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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
708De Jong Jan Wille...2444Istratescu Andrei...26310-130 ≣E20It \07 Sep 2010
795Akshat Khamparia ...2400Melkumyan Hrant (...26420-127 ≣E20It \08 Jun 2012
269Dreev Alexey (RUS)2610Anand Viswanathan...26500-136 ≣E20Ch World (match) ...
823Pascua Haridas (PHI)2350Yu Yangyi (CHN)26510-136 ≣E20It (open)11 Oct 2012
758Sisatto Olli (FIN)2236Alekseev Evgeny (...26590-128 ≣E20Cup European Club25 Sep 2011
705Morozevich Alexan...2700Fedorchuk Sergey ...26710-137 ≣E20It (cat.16)
716Jones Gawain C (ENG)2576Fedorchuk Sergey ...26711-033 ≣E20It \26 Oct 2010
768Sadorra Julio Cat...2506Onischuk Alexande...26740-141 ≣E20It (cat.10)19 Dec 2011
565Volkov Sergey Vik...2628Georgiev Kiril (MKD)26800-138 ≣E20It (open) \01 Feb 2006
750Volkov Sergey Vik...2614Bruzon Lazaro (CUB)26820-140 ≣E20It (open)08 Aug 2011
477Erdogan Hakan (TUR)2212Ivanchuk Vassily ...26990-142 ≣E20Match (exhibition...
730Bocharov Dmitry (...2582Andreikin Dmitry ...27050-142 ≣E20Ch Russia (active)25 Apr 2011
290Shirov Alexei (ESP)2710Karpov Anatoly (RUS)27150-139 ≣E20It
465Pomes Marcet Juan...2399Adams Michael (ENG)27310-136 ≣E20It (open) (active) \
720Anand Viswanathan...2817Wang Hao (CHN)27331-033 ≣E20It (cat.20)18 Jan 2011
493Hillarp Persson T...2523Topalov Veselin (...27570-146 ≣E20It (active)
324Shirov Alexei (ESP)2685Karpov Anatoly (RUS)27600-138 ≣E20It (blitz)
298Tiihonen IlpoKansanniva Markku0-124 ≣E20?
297Chapman RogerEriksen Ove P1-029 ≣A40Memorial F.Bogaty...
296Niemic AGnudsenem0-120 ≣E20Europe Tournament...
117MooyBubenik J1-040 ≣E20Europe Tournament...
379Pomes Marcet Juan...2420Ortega JI1-032 ≣E20Ch Catalunia (team)
113Hartmann W (GER)Rodford DE0-130 ≣E20corr.
112Khodos German (RUS)2200Asaturian S (RUS)1-029 ≣E20?
110Engel WolfgangWalthemathe A0-121 ≣E20corr.
596Uljanova Nadezhda2021Glazunov Vladimir1-043 ≣E20Tournament (open)21 Dec 2006
101Khodos German (RUS)2200Rubakhov1-030 ≣E20?
408Hlavacek Robert (...2242Buksa J1-036 ≣E20Czech League 1997...
216McMillanCowling TI1-045 ≣E20corr.
34Rutman Aleksandr ...2198Selevinski0-129 ≣E20Match \
99Kondratiev Pavel ...Zhdanov Igor1-030 ≣E20Ch URS (team)
96Hollis Adrian Swa...Lambshire MV1-046 ≣E20Ch Great Britain
323Manion Josh (USA)2400Herchalia1-040 ≣E20It (open)
276Moskalenko Viktor...2558Lawson O (SCO)1-044 ≣E20It (open)
100Kondratiev Pavel ...Zhdanov Igor1-028 ≣E20Ch URS (team)
430Kolotilina LTarnovskaya T1-035E20Ch Russia (junior...
91Vladimirov Boris ...2340Arulaid Alexander...1-031 ≣E20It \
42Luik Helmuth (EST)2209Arulaid Alexander...0-148 ≣A15Ch Estonia
95Walter HFWanke Rudolf1-031 ≣E20corr.
253Arne Mike (USA)2270Osbun Eric1-033 ≣E20Tournament
724Van Ketel Raoul (...2286Van Der Auweraert...1-029 ≣E20Memorial Noteboom...05 Mar 2011
252Crispin Thomas A ...2198Perry1-029 ≣A40Ch USA (corr.)
4O'kelly De Galway...2460Wood Gabriel1-028 ≣E20It
587Claassen Chris (USA)2078Schuller John1-045 ≣E20Tournament \29 Sep 2006
25Taimanov Mark E (...2386Milic Borislav (YUG)1-034 ≣E20Match \
87Miettinen ReinoSalovaara Reino1-020 ≣E20?
556Penalver Osmani (...2131Casey Gerry1-034 ≣E20Cup European Club...24 Sep 2005
83Benko Pal C (USA)2408Hudson C1-020 ≣E20Ch USA (team)
36Vesely Jaromir (CZE)1979Florian Jaromir (...0-128 ≣E20Ch Czechoslovakia
63Kottnauer Cenek (...2370Nora Georges1-027 ≣E20It
75ChristensenLakjunas0-121 ≣E20Cup Baltic (corr.)
461Ezat Mohamed (EGY)2297Broekhusse Paul0-149 ≣E20It (open)
86Partos Charles (SUI)2345Nacht Edgar0-119 ≣E20Ch Romania
178Ylisela JuhaniPalenius Jarmo1-022 ≣E20Ch Finland (team)
464Monacell JamesIngersol Harry1-037 ≣E20Tournament (IECG)
236KuglerGabriel0-122 ≣E20corr.
234FahlstromStolle E1-027 ≣E20World Tournament ...
81Maslov Yevgenij (...2265Korchmar E1-041 ≣E20Ch Armed Forces (...
3Junge Klaus (CHI)Bogoljubow Efim D...0-140 ≣E20It
6Donner Jan-Hein (...2430Pirc Vasja (YUG)0-132 ≣E20It
69Snellman SvenMykra Veikko1-039 ≣E20?
77Peterson Andrey (...Ridzvanavicius1-029 ≣E20Ch Baltik Republics
221Ruygrok DennisHotting Arend0-116 ≣E20corr.
10Kuzminykh Evgeni FKondratiev Pavel ...0-139 ≣E20Ch URS (1/2 final)
215Woestmann Hans Jo...Spenner Frank1-032 ≣E20Regionalliga NordS
7Kuzminykh Evgeni FKoblenc A (LAT)1-029 ≣E20Ch URS (1/2 final)
9Sakellaropoulos ThLoverdos S1-024 ≣E20Ch Greece
46Polugaevsky Lev A...2585Niephaus Walter (...1-046 ≣E20Ch Europe (team)
11Branicki Ignacy2200Makarczyk Kazimie...1-027 ≣A15Ch Poland
205Olsson Tomas (SWE)2008Ohrstrom Mikael0-126 ≣A15Ch Sweden (corr.)
204Olsson Tomas (SWE)2008Knutsson Bengt0-129 ≣A15Ch Sweden (corr.)
14Berliner Hans J (...Anderson Frank R ...0-130 ≣E20It (open)
68Schmidt Johannes ...2243Lengyel C1-024 ≣E20Europe Tournament...
197NeckelGorsler1-035 ≣E20corr.
196Schreiber Hans (GER)1981Stammberger S0-129 ≣E20Europe Tournament...
195Schreiber Hans (GER)1981Reinhardt W (GER)1-037 ≣E20Europe Tournament...
203Hultin Per (SWE)2102Olsson Lars-Goran1-036 ≣A40Ch Sweden (corr.)
194Schreiber Hans (GER)1981Bascetta Biagio0-122 ≣E20Europe Tournament...
185Merker RJasinski1-042 ≣E20Ch DDR (corr.)
67Schmidt Johannes ...2243Gigas J1-046 ≣E20Ch BRD (corr.)
15Baumbach Friedric...2239Schlieder Rolf0-131 ≣E20It (a)30 Dec 1956
65Tay Cheong AnnBerger Bela (HUN)0-137 ≣E20Zt
64Fraczek HenrykSzukszta Janus0-131 ≣E20Ch Poland
176NeckelKrechlok1-040 ≣E20corr.
188Moskalenko Viktor...2435Vaiverman1-042 ≣E20Ch URS (qual)
175Soderman BrorSopanen Pekka1-035 ≣E20?
24Sanguinetti Raul ...2485Wexler Bernardo (...1-040 ≣E20It
161Kontulainen HannuHartonen Kari1-032 ≣E20?
174Flum GHesse Gunter1-037 ≣E20Cup Baltic (corr.)
5Muhring PimEuwe Max (NED)0-148 ≣E20Ch Netherlands
48Koblencs AleksandrsBuslaev Aleksande...1-028 ≣E20Ch Baltic Republics
488Steinmacher Josef...2090Auer Dieter1-044 ≣E20Ch Baden (MA)
169FleckBraskin O1-035 ≣A15corr.
167Rau Juergen (GER)2152Mayr1-023 ≣A13Europe Tournament...
41Gligoric Svetozar...2447Germek Milan1-029 ≣E20It
166Foulds EVWalters0-122 ≣E20Ch Great Britain ...
162Rau Juergen (GER)2152Mittag L1-026 ≣A17corr.
160Welling Gerard (NED)2322Brusila1-035E20Memorial Heilimo ...
152Bunke Wilfried (GER)2090Czikuhs HJ1-033 ≣E20corr.
151Mustelin JuhaniKuro Timo1-027 ≣E20?