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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
716Jones Gawain C (ENG)2576Fedorchuk Sergey ...26711-033 ≣E20It \26 Oct 2010
705Morozevich Alexan...2700Fedorchuk Sergey ...26710-137 ≣E20It (cat.16)
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)
41Gligoric Svetozar...2447Germek Milan1-029 ≣E20It
34Rutman Aleksandr ...2198Selevinski0-129 ≣E20Match \
88Kort Jacob (NED)2153Tomson J0-119 ≣E20Ch World (students)
24Sanguinetti Raul ...2485Wexler Bernardo (...1-040 ≣E20It
15Baumbach Friedric...2239Schlieder Rolf0-131 ≣E20It (a)30 Dec 1956
14Berliner Hans J (...Anderson Frank R ...0-130 ≣E20It (open)
11Branicki Ignacy2200Makarczyk Kazimie...1-027 ≣A15Ch Poland
9Sakellaropoulos ThLoverdos S1-024 ≣E20Ch Greece
7Kuzminykh Evgeni FKoblenc A (LAT)1-029 ≣E20Ch URS (1/2 final)
6Donner Jan-Hein (...2430Pirc Vasja (YUG)0-132 ≣E20It
3Junge Klaus (CHI)Bogoljubow Efim D...0-140 ≣E20It
197NeckelGorsler1-035 ≣E20corr.
86Partos Charles (SUI)2345Nacht Edgar0-119 ≣E20Ch Romania
4O'kelly De Galway...2460Wood Gabriel1-028 ≣E20It
42Luik Helmuth (EST)2209Arulaid Alexander...0-148 ≣A15Ch Estonia
91Vladimirov Boris ...2340Arulaid Alexander...1-031 ≣E20It \
100Kondratiev Pavel ...Zhdanov Igor1-028 ≣E20Ch URS (team)
204Olsson Tomas (SWE)2008Knutsson Bengt0-129 ≣A15Ch Sweden (corr.)
205Olsson Tomas (SWE)2008Ohrstrom Mikael0-126 ≣A15Ch Sweden (corr.)
556Penalver Osmani (...2131Casey Gerry1-034 ≣E20Cup European Club...24 Sep 2005
215Woestmann Hans Jo...Spenner Frank1-032 ≣E20Regionalliga NordS
221Ruygrok DennisHotting Arend0-116 ≣E20corr.
234FahlstromStolle E1-027 ≣E20World Tournament ...
236KuglerGabriel0-122 ≣E20corr.
724Van Ketel Raoul (...2286Van Der Auweraert...1-029 ≣E20Memorial Noteboom...05 Mar 2011
252Crispin Thomas A ...2198Perry1-029 ≣A40Ch USA (corr.)
253Arne Mike (USA)2270Osbun Eric1-033 ≣E20Tournament
653Solomin Maxim (RUS)1958Aksenov Anton1-038 ≣E20Ch City (1 league)14 Feb 2009
276Moskalenko Viktor...2558Lawson O (SCO)1-044 ≣E20It (open)
587Claassen Chris (USA)2078Schuller John1-045 ≣E20Tournament \29 Sep 2006
36Vesely Jaromir (CZE)1979Florian Jaromir (...0-128 ≣E20Ch Czechoslovakia
63Kottnauer Cenek (...2370Nora Georges1-027 ≣E20It
296Niemic AGnudsenem0-120 ≣E20Europe Tournament...
297Chapman RogerEriksen Ove P1-029 ≣A40Memorial F.Bogaty...
178Ylisela JuhaniPalenius Jarmo1-022 ≣E20Ch Finland (team)
298Tiihonen IlpoKansanniva Markku0-124 ≣E20?
299Tiihonen IlpoKansanniva Markku0-124 ≣E20Ch Finland (corr.)
188Moskalenko Viktor...2435Vaiverman1-042 ≣E20Ch URS (qual)
161Kontulainen HannuHartonen Kari1-032 ≣E20?
5Muhring PimEuwe Max (NED)0-148 ≣E20Ch Netherlands
283JacimovicKaisarevic1-045 ≣E20corr.
216McMillanCowling TI1-045 ≣E20corr.
46Polugaevsky Lev A...2585Niephaus Walter (...1-046 ≣E20Ch Europe (team)
186Gutman Lev (GER)2530Stranegger Engelbert1-029 ≣E20?
320Strbad Franjo (SLO)1968Hribersek J0-143 ≣A17Ch Slovenia (corr.)
488Steinmacher Josef...2090Auer Dieter1-044 ≣E20Ch Baden (MA)
25Taimanov Mark E (...2386Milic Borislav (YUG)1-034 ≣E20Match \
321Vogel Joerg (GER)2047Baumer F1-045 ≣E20Ch Saarland (MV)
464Monacell JamesIngersol Harry1-037 ≣E20Tournament (IECG)
126Mikenas Vladas I ...2405Salamon1-048 ≣E20Ch Europe (team) ...
81Maslov Yevgenij (...2265Korchmar E1-041 ≣E20Ch Armed Forces (...
96Hollis Adrian Swa...Lambshire MV1-046 ≣E20Ch Great Britain
341Caulkett PeterDobson John0-124A17corr.
347Chowaniec WSzuszkiewicz J1-019 ≣E20corr.
361Cruz-Lopez Claret...2315Gomara J1-032 ≣E20Tournament
634Abdalla Luiz Guil...2072Quintiliano Renato0-141 ≣E20Tournament (open)20 Jul 2008
368Computer \Computer \1-037 ≣E20It (computers)
461Ezat Mohamed (EGY)2297Broekhusse Paul0-149 ≣E20It (open)
160Welling Gerard (NED)2322Brusila1-035E20Memorial Heilimo ...
369Computer \Computer \1-039 ≣E20Ch World (computers)
408Hlavacek Robert (...2242Buksa J1-036 ≣E20Czech League 1997...
430Kolotilina LTarnovskaya T1-035E20Ch Russia (junior...
162Rau Juergen (GER)2152Mittag L1-026 ≣A17corr.
152Bunke Wilfried (GER)2090Czikuhs HJ1-033 ≣E20corr.
151Mustelin JuhaniKuro Timo1-027 ≣E20?
149Brilla Banfalvi S...Morozov1-032 ≣E20Ch Europe (team) ...
166Foulds EVWalters0-122 ≣E20Ch Great Britain ...
596Uljanova Nadezhda2021Glazunov Vladimir1-043 ≣E20Tournament (open)21 Dec 2006
167Rau Juergen (GER)2152Mayr1-023 ≣A13Europe Tournament...
10Kuzminykh Evgeni FKondratiev Pavel ...0-139 ≣E20Ch URS (1/2 final)
169FleckBraskin O1-035 ≣A15corr.
174Flum GHesse Gunter1-037 ≣E20Cup Baltic (corr.)
323Manion Josh (USA)2400Herchalia1-040 ≣E20It (open)
175Soderman BrorSopanen Pekka1-035 ≣E20?
176NeckelKrechlok1-040 ≣E20corr.
379Pomes Marcet Juan...2420Ortega JI1-032 ≣E20Ch Catalunia (team)
185Merker RJasinski1-042 ≣E20Ch DDR (corr.)
194Schreiber Hans (GER)1981Bascetta Biagio0-122 ≣E20Europe Tournament...
144Lempiainen HeimoValo Veikko0-130 ≣E20?
139Butze RolandWeder Erhard1-050 ≣E20corr.
138Pyhala Antti (FIN)2305Martois Karl-Erik0-147 ≣E20?
137Pyhala Antti (FIN)2305Ahonen Tauno1-026 ≣E20?
136Pitkanen Juhani (...1724Inkinen Jorma0-124 ≣E20?