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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
332Nilssen John Arni...2378Hedman Erik (SWE)23921-041 ≣E20Ch Europe (juniors)
728Purnoch Josef (CZE)2127Drabek Vojtech (CZE)21280-140E20Czech League 2010...03 Apr 2011
780Shyam Sundar M (IND)2462Zemerov Vladimir ...23230-140 ≣E20It (open)01 Feb 2012
757Yudin Ivan (RUS)2319Draskovic Luka (MNE)21351-045 ≣E20Ch Europe (junior...14 Sep 2011
794Gardner Robert (CAN)2196Shabalov Alexande...25230-137 ≣E20It (open)18 May 2012
35Porreca Giorgio (...Tatai Stefano (ITA)23671-044 ≣E20Tournament
81Maslov Yevgenij (...2265Korchmar E1-041 ≣E20Ch Armed Forces (...
250Safin Shukhrat (UZB)2472Teplitsky Yan (CAN)24481-022 ≣E20Ch Uzbekistan
778Li Zuhao Luke (NZL)2165Stuart Peter (NZL)19911-020 ≣E20It (open)19 Jan 2012
826Fusco Leonardo (ARG)2379Espinoza Palomino...22650-113 ≣E20Ch American Conti...20 Oct 2012
26Weinstein Raymond...Denker Arnold S (...22931-041 ≣E20Ch USA
736Berkes Ferenc (HUN)2706Saric Ante (CRO)24891-039 ≣E20Ch Bosnia & Herze...05 Jun 2011
210Hubert Ralf (GER)2293Fischer Michael (...21081-022 ≣E20It (open) \
147Rubinetti Jorge (...2420Sanguinetti Raul ...25050-142 ≣E20Ch Argentina
115Mileika YaLevchenkov Vitaly...22600-123 ≣E20?
178Ylisela JuhaniPalenius Jarmo1-022 ≣E20Ch Finland (team)
701Ulibin Mikhail (RUS)2544Bentefrit Samir (...21991-022 ≣E20It (open)26 Jun 2010
238Arencibia Walter ...2425Franco Ocampos Ze...24951-030 ≣E20Memorial J.Capabl...
154Halldorsson Bragi...2198Thorsteinsson Bjo...22141-032 ≣E20Ch Iceland
128Sakovich Igor (LAT)2210Shmit Anatoly (LAT)22000-143 ≣E20?
63Kottnauer Cenek (...2370Nora Georges1-027 ≣E20It
36Vesely Jaromir (CZE)1979Florian Jaromir (...0-128 ≣E20Ch Czechoslovakia
504Marinangeli Marti...2139Arambel Sergio (ARG)22960-142 ≣E20Ch City (match)
497Carleton John J (...2284Walsh Chris (WLS)21581-038 ≣E20Ch England (team)...
538Ragnarsson Johann...2187Johannessen Leif ...25640-150 ≣E20Ch Iceland (team)...05 Mar 2005
457Kovacs Tamas (HUN)2210Laihonen Petteri ...22870-134 ≣E20Cup Zemplen02 Jul 2000
54Moehring Guenther...2294Neukirch Detlef (...22671-033 ≣E20Ch DDR
696Muheim Sebastian ...2175Boure Hugo (FRA)19091-040 ≣E20Ch France (junior...12 Apr 2010
435Erdogan Hakan (TUR)2217Olsen Heini (FAI)23130-147 ≣E20Olympiad
587Claassen Chris (USA)2078Schuller John1-045 ≣E20Tournament \29 Sep 2006
573De Val Daniele (ITA)2182Brunello Sabino (...24600-120 ≣E20Ch Italy (team)23 Apr 2006
641Konovalov Nikolay...2434Anoshkin Alexande...24241-049 ≣E20It (open)18 Aug 2008
294Diaz AdolfoParamos Dominguez...24180-143 ≣E20It (open)
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
224Yakovich Yuri (RUS)2450Kharitonov Andrei...25201-024 ≣E20Tournament (swiss)
625Sieciechowicz Mar...2321Sochacki Wojtek (...22441-047 ≣E20Ch Poland (junior...02 Apr 2008
529Erdogan Hakan (TUR)2220Baramidze David (...25430-137 ≣E20Cup European Club03 Oct 2004
578Moranda Wojciech ...2462Rewasiewicz Milos...18551-012 ≣E20Tournament (juniors)13 Jul 2006
259Hurme Harri M (FIN)2258Lindberg Bengt (SWE)24141-046 ≣E20It (open)
559Romon Poves Raul ...2209Gomez Luesia Jesu...21961-040 ≣E20It (cat.4)04 Oct 2005
588Moran Stephen (IRL)1892Hunt Harriet (ENG)24390-128 ≣E20It \30 Sep 2006
815Nishant Malhotra ...2076Dorfanis Ilarion ...22390-148 ≣E20It \19 Aug 2012
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
657Guerrero Alvaro (...2257Ginzburg Maximili...24551-045 ≣E20It (cat.3)18 Mar 2009
479De Santis Alessio...2267Mantovani Renzo (...23491-040 ≣E20Ch Italy
500Dao Thien Hai (VIE)2601Adianto Utut (INA)25880-133 ≣E20SEA Games
161Kontulainen HannuHartonen Kari1-032 ≣E20?
462Grachev Boris (RUS)2410Redpath Joseph (SCO)21551-036 ≣E20Ch Europe (junior...
159Botterill George ...2360Van Der Vliet Fre...23951-022 ≣E20It \29 Aug 1981
659Kalka Arkadius Ge...2373Neimer Vitaly (ISR)23500-127 ≣E20It (cat.4) \20 Apr 2009
188Moskalenko Viktor...2435Vaiverman1-042 ≣E20Ch URS (qual)
653Solomin Maxim (RUS)1958Aksenov Anton1-038 ≣E20Ch City (1 league)14 Feb 2009
404Dubinskaya M (UKR)2081Lomineishvili Mai...23500-147 ≣E20Ch Europe (junior...
618Adler Bo (SWE)2208Kulaots Kaido (EST)25470-127 ≣E20Cup Rilton30 Dec 2007
200Gutman Lev (GER)2465Gligoric Svetozar...25001-041 ≣E20It (open)
585Terrieux Kevin (FRA)2345Bleunven Andre (FRA)22981-031 ≣E20Ch France (access...24 Aug 2006
644Komljenovic Davor...2428Pinter Jozsef (HUN)25360-137 ≣E20Ch Croatia (team)...30 Sep 2008
622Ionov Sergey (RUS)2543Olafsson Helgi (ISL)22701-032 ≣E20It (open) \22 Feb 2008
389Laveryd Peter (SWE)2310Lindberg Bengt (SWE)23551-047 ≣E20Ch Sweden (team) ...
20Szabo Laszlo (HUN)1903Teschner Rudolf (...22951-041 ≣E20Zt
514Khenkin Igor (GER)2587Palac Mladen (CRO)25431-024 ≣E20Memorial Leonardo...25 Apr 2003
642Meerovich IlanHarper Warren (USA)23091-025 ≣E20US Chess League27 Aug 2008
635Cruz Lledo Pablo ...2078Gago Padreny Igna...22180-139 ≣E20Ch Spain (juniors...21 Jul 2008
411Behrhorst Frank (...2290Mossakowski Flori...22150-126 ≣E20Memorial Arnold J...
440Szymanski Marcin ...2325Held Markus (GER)21831-042 ≣E20It (cat.4) \
671Wiersma Eelke (NED)2403Wells Peter K (ENG)24981-039 ≣E20Memorial G.Staunt...12 Aug 2009
346Yakovich Yuri (RUS)2515Littke Adam (CAN)22900-140 ≣E20It \
499Nguyen Chi-Minh (...2370Van Den Doel Erik...25600-125 ≣E20Ch France (team) ...
611Hernandez Rodney ...2100Borges Oliver (CUB)21481-036 ≣E20Tournament (b)20 Jul 2007
472Ulibin Mikhail (RUS)2581Pikula Dejan (SRB)24841-037 ≣E20It (open)
470Erdogan Hakan (TUR)2212Selbes Tarik (TUR)21451-035 ≣E20Ch Turkey
528PunteriBoldrin Marco (ITA)18691-033 ≣E20It (open)06 Sep 2004
453Salmela Hannu (FIN)2047Agopov Mikael (FIN)23990-149 ≣E20It (open)
630Moskalenko Viktor...2568Rojas Luis (CHI)24080-143E20It (open)27 Jun 2008
243Khenkin Igor (GER)2624Karpman Vadim (UKR)23821-026 ≣E20Ch URS (young mas...
106Khodos German (RUS)2200Platonov Igor V (...24300-129 ≣E20Ch URS (1/2 final)
22Karaklajic Nikola...2303Gereben Erno (SUI)23201-044 ≣E20Memorial Stevenson
96Hollis Adrian Swa...Lambshire MV1-046 ≣E20Ch Great Britain
100Kondratiev Pavel ...Zhdanov Igor1-028 ≣E20Ch URS (team)
62Bonne Mark (BEL)2250Bernhardt Rolf (GER)22880-140 ≣E20It
91Vladimirov Boris ...2340Arulaid Alexander...1-031 ≣E20It \
704Brokken Dennis (NED)2313Kirsanova Ekateri...21541-032 ≣E20It (open) (b)28 Jul 2010
19Mititelu Gheorghe...2300Minev Nikolay N (...23700-136 ≣E20Olympiad (student...
4O'kelly De Galway...2460Wood Gabriel1-028 ≣E20It
12Tal Mikhail N (LAT)2520Etruk Rein T (EST)23981-040 ≣E20Tournament
57Omari (ALB)Ortega Lexy (ITA)24750-126 ≣E20Olympiad
86Partos Charles (SUI)2345Nacht Edgar0-119 ≣E20Ch Romania
66Soeby Frode (DEN)Larsen Bent (DEN)24151-041 ≣E20Ch Denmark
2Landau Salo (POL)Van Scheltinga Th...23250-137 ≣E20Match
3Junge Klaus (CHI)Bogoljubow Efim D...0-140 ≣E20It
6Donner Jan-Hein (...2430Pirc Vasja (YUG)0-132 ≣E20It
7Kuzminykh Evgeni FKoblenc A (LAT)1-029 ≣E20Ch URS (1/2 final)
9Sakellaropoulos ThLoverdos S1-024 ≣E20Ch Greece
770Galojan Lilit (ARM)2383Zhao Xue (CHN)25410-148 ≣E20Ch World (team) (w)20 Dec 2011
14Berliner Hans J (...Anderson Frank R ...0-130 ≣E20It (open)
15Baumbach Friedric...2239Schlieder Rolf0-131 ≣E20It (a)30 Dec 1956
53Sliwa Bogdan (POL)2235Lengyel Levente (...22930-141 ≣E20It