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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
108Hildenbrand Peter...2227Soelter Reinhold ...20720-139 ≣E20Ch OWL
364Crouch Colin S (ENG)2410Kosten Anthony C ...25400-143 ≣E20It (open)
2Landau Salo (POL)Van Scheltinga Th...23250-137 ≣E20Match
103Gerusel Mathias (...2239Szabo Laszlo (HUN)19030-139 ≣E20It
138Pyhala Antti (FIN)2305Martois Karl-Erik0-147 ≣E20?
744Rambaldi Francesc...2176Georgiadis Ioanni...24350-141 ≣E20It (open)16 Jul 2011
630Moskalenko Viktor...2568Rojas Luis (CHI)24080-143E20It (open)27 Jun 2008
86Partos Charles (SUI)2345Nacht Edgar0-119 ≣E20Ch Romania
53Sliwa Bogdan (POL)2235Lengyel Levente (...22930-141 ≣E20It
97Vitolins Alvis (LAT)2435Gerasimov N (RUS)23550-121 ≣E20Ch Armed Forces
128Sakovich Igor (LAT)2210Shmit Anatoly (LAT)22000-143 ≣E20?
136Pitkanen Juhani (...1724Inkinen Jorma0-124 ≣E20?
304Kilpi Teemu (FIN)2135Aseev Konstantin ...25600-137 ≣E20It (open)
723Shatko Danil (ESP)2097Ayas Fernandez An...22860-136 ≣E20Ch Catalunia (tea...05 Mar 2011
496Bjornes Leif (NOR)1976Hansen Anders (SWE)17230-142 ≣E20It (open) \
453Salmela Hannu (FIN)2047Agopov Mikael (FIN)23990-149 ≣E20It (open)
55Aaron Manuel (IND)2315Teschner Rudolf (...22950-137 ≣E20Izt
57Omari (ALB)Ortega Lexy (ITA)24750-126 ≣E20Olympiad
14Berliner Hans J (...Anderson Frank R ...0-130 ≣E20It (open)
34Rutman Aleksandr ...2198Selevinski0-129 ≣E20Match \
65Tay Cheong AnnBerger Bela (HUN)0-137 ≣E20Zt
92Ageichenko Genadi...2343Smyslov Vassily (...24940-132 ≣E20Tournament
116Carbone ADebarnot Roberto ...23750-133 ≣E20It
123GretskinEstrin Yakov B (RUS)24500-137 ≣E20corr.
129Kirsch Gerard (LUX)1957Pritchett Craig W...23500-130 ≣E20It (open)
286Matveeva Svetlana...2425Bojkovic Natasa (...23300-128 ≣E20It \
144Lempiainen HeimoValo Veikko0-130 ≣E20?
730Bocharov Dmitry (...2582Andreikin Dmitry ...27050-142 ≣E20Ch Russia (active)25 Apr 2011
62Bonne Mark (BEL)2250Bernhardt Rolf (GER)22880-140 ≣E20It
780Shyam Sundar M (IND)2462Zemerov Vladimir ...23230-140 ≣E20It (open)01 Feb 2012
635Cruz Lledo Pablo ...2078Gago Padreny Igna...22180-139 ≣E20Ch Spain (juniors...21 Jul 2008
411Behrhorst Frank (...2290Mossakowski Flori...22150-126 ≣E20Memorial Arnold J...
346Yakovich Yuri (RUS)2515Littke Adam (CAN)22900-140 ≣E20It \
543Ballon Guenther J...2212Solleveld Maarten...24630-137 ≣E20It (open)29 Apr 2005
28Hadjipetrov Alexa...2290Kolarov Atanas S ...24150-134 ≣E20Ch Bulgaria
106Khodos German (RUS)2200Platonov Igor V (...24300-129 ≣E20Ch URS (1/2 final)
722Mamedov Ruslan (UKR)2222Budnikov Oleg (UKR)24160-146 ≣E20Tournament \01 Mar 2011
38Weise DietrichClemens Christian...23140-148 ≣E20Ch BRD
3Junge Klaus (CHI)Bogoljubow Efim D...0-140 ≣E20It
6Donner Jan-Hein (...2430Pirc Vasja (YUG)0-132 ≣E20It
79Kuzmin Gennadi P ...2417Keres Paul (EST)25800-120 ≣E20Ch URS
88Kort Jacob (NED)2153Tomson J0-119 ≣E20Ch World (students)
52Tal Mikhail N (LAT)2520Barstatis Reinhar...22400-143 ≣E20?
64Fraczek HenrykSzukszta Janus0-131 ≣E20Ch Poland
70Moehring Guenther...2294Liebert Heinz (GER)22470-137 ≣E20Ch DDR
90Forintos Gyozo V ...2317Smyslov Vassily (...24940-147 ≣E20It
110Engel WolfgangWalthemathe A0-121 ≣E20corr.
114Deze Anton (YUG)2400Komljenovic Davor...24510-130 ≣E20?
121Kirsch Michael2200Wostin Rik H (BEL)22500-141 ≣E20Olympiad
36Vesely Jaromir (CZE)1979Florian Jaromir (...0-128 ≣E20Ch Czechoslovakia
504Marinangeli Marti...2139Arambel Sergio (ARG)22960-142 ≣E20Ch City (match)
342Ionescu-Ilie Vior...Zak Uriel (ISR)23700-147 ≣E20It (open)
538Ragnarsson Johann...2187Johannessen Leif ...25640-150 ≣E20Ch Iceland (team)...05 Mar 2005
457Kovacs Tamas (HUN)2210Laihonen Petteri ...22870-134 ≣E20Cup Zemplen02 Jul 2000
141Slavov Dimcho (BUL)2225Bobotsov Milko G ...24050-138 ≣E20It
140HoewelBusch Raimund (GER)23200-146 ≣E20Ch NRW
435Erdogan Hakan (TUR)2217Olsen Heini (FAI)23130-147 ≣E20Olympiad
147Rubinetti Jorge (...2420Sanguinetti Raul ...25050-142 ≣E20Ch Argentina
573De Val Daniele (ITA)2182Brunello Sabino (...24600-120 ≣E20Ch Italy (team)23 Apr 2006
728Purnoch Josef (CZE)2127Drabek Vojtech (CZE)21280-140E20Czech League 2010...03 Apr 2011
407Solana Suarez Ern...2285Gomez Esteban Jua...24750-127 ≣E20It (open)
580Neschetny Viktor ...2138Pavlov Sergey (UKR)24260-143 ≣E20It (open) \28 Jul 2006
554Avila Jimenez Jav...2238Suba Mihai (ROM)25120-139 ≣E20It (open)02 Sep 2005
225Danner Georg (AUT)2408Brglez Rado (SLO)23150-141 ≣E20It (cat.8)
442Solon Nathan (USA)2278Ashley Maurice (USA)24820-146 ≣E20It \
794Gardner Robert (CAN)2196Shabalov Alexande...25230-137 ≣E20It (open)18 May 2012
529Erdogan Hakan (TUR)2220Baramidze David (...25430-137 ≣E20Cup European Club03 Oct 2004
351Hubert Ralf (GER)2293Rechmann Peter (GER)23160-148 ≣E20It (open)
515Donnoli Giorgio1485Tamburini Lorenzo...20860-138 ≣E20It (open)05 Sep 2003
499Nguyen Chi-Minh (...2370Van Den Doel Erik...25600-125 ≣E20Ch France (team) ...
692Chueca Forcen Alb...2280Suba Mihai (ROM)24640-147 ≣E20It (open)01 Apr 2010
329Yakovich Yuri (RUS)2525Jussupow Artur (GER)26300-136 ≣E20It (active)
47Weise DietrichLengyel Levente (...22930-144 ≣E20Ch Europe (team)
588Moran Stephen (IRL)1892Hunt Harriet (ENG)24390-128 ≣E20It \30 Sep 2006
606Cruz Lledo Pablo ...1945Uribe Arteaga Dan...22600-137 ≣E20It (cat.1)12 Apr 2007
771Lokander Martin (...2151Lindberg Bengt (SWE)24150-135 ≣E20Cup Rilton27 Dec 2011
19Mititelu Gheorghe...2300Minev Nikolay N (...23700-136 ≣E20Olympiad (student...
558Cebalo Miso (CRO)2512Zelcic Robert (CRO)25330-149 ≣E20Ch Croatia (team)03 Oct 2005
71Asmundsson Ingvar...2292Palmason Gudmundu...22700-128 ≣E20It
597Adler Bo (SWE)2185Berczes David (HUN)24150-135 ≣E20Cup Rilton28 Dec 2006
826Fusco Leonardo (ARG)2379Espinoza Palomino...22650-113 ≣E20Ch American Conti...20 Oct 2012
5Muhring PimEuwe Max (NED)0-148 ≣E20Ch Netherlands
359Etchegaray Patric...2340Urday Henry (PER)24350-143 ≣E20It (open)
15Baumbach Friedric...2239Schlieder Rolf0-131 ≣E20It (a)30 Dec 1956
30Schweber Samuel (...2348Eliskases Erich G...24300-129 ≣E20Ch Argentina
500Dao Thien Hai (VIE)2601Adianto Utut (INA)25880-133 ≣E20SEA Games
115Mileika YaLevchenkov Vitaly...22600-123 ≣E20?
51Richardson Keith ...2137Wade Robert G (ENG)21480-136 ≣E20Tournament
217Pieterse Gert (NED)2361Bosman Michiel (NED)23420-146 ≣E20It (open)
59Wade Robert G (ENG)2148Ortega Lexy (ITA)24750-137 ≣E20Olympiad
770Galojan Lilit (ARM)2383Zhao Xue (CHN)25410-148 ≣E20Ch World (team) (w)20 Dec 2011
659Kalka Arkadius Ge...2373Neimer Vitaly (ISR)23500-127 ≣E20It (cat.4) \20 Apr 2009
75ChristensenLakjunas0-121 ≣E20Cup Baltic (corr.)
404Dubinskaya M (UKR)2081Lomineishvili Mai...23500-147 ≣E20Ch Europe (junior...
618Adler Bo (SWE)2208Kulaots Kaido (EST)25470-127 ≣E20Cup Rilton30 Dec 2007
208Ernst Thomas (SWE)2460Barbero Gerardo F...24750-144 ≣E20It (open)
113Hartmann W (GER)Rodford DE0-130 ≣E20corr.
644Komljenovic Davor...2428Pinter Jozsef (HUN)25360-137 ≣E20Ch Croatia (team)...30 Sep 2008
288Shirov Alexei (ESP)2710Beliavsky Alexand...25950-140 ≣E20It
380Aaltio Erkki (FIN)2133Kytoniemi Jyrki (...22100-139 ≣E20?