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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
90Forintos Gyozo V ...2317Smyslov Vassily (...24940-147 ≣E20It
462Grachev Boris (RUS)2410Redpath Joseph (SCO)21551-036 ≣E20Ch Europe (junior...
159Botterill George ...2360Van Der Vliet Fre...23951-022 ≣E20It \29 Aug 1981
186Gutman Lev (GER)2530Stranegger Engelbert1-029 ≣E20?
590Meessen Rudolf (BEL)2303Niklasch Oliver (...24191-043 ≣E20Cup European Club13 Oct 2006
438Pomes Marcet Juan...2388Campora Daniel H ...25261-037 ≣E20It (open)
659Kalka Arkadius Ge...2373Neimer Vitaly (ISR)23500-127 ≣E20It (cat.4) \20 Apr 2009
522Khenkin Igor (GER)2587Ayas Fernandez An...23361-046 ≣E20It (open)04 Jul 2004
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)
48Koblencs AleksandrsBuslaev Aleksande...1-028 ≣E20Ch Baltic Republics
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) ...
597Adler Bo (SWE)2185Berczes David (HUN)24150-135 ≣E20Cup Rilton28 Dec 2006
514Khenkin Igor (GER)2587Palac Mladen (CRO)25431-024 ≣E20Memorial Leonardo...25 Apr 2003
422Cano Sanchez Josu...2277Baron Rodriguez J...24091-041 ≣E20Ch Spain (team) (...
664Bitalzadeh Ali (NED)2434Malakhatko Vadim ...25701-038 ≣E20It (open)22 May 2009
635Cruz Lledo Pablo ...2078Gago Padreny Igna...22180-139 ≣E20Ch Spain (juniors...21 Jul 2008
411Behrhorst Frank (...2290Mossakowski Flori...22150-126 ≣E20Memorial Arnold J...
496Bjornes Leif (NOR)1976Hansen Anders (SWE)17230-142 ≣E20It (open) \
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 \
558Cebalo Miso (CRO)2512Zelcic Robert (CRO)25330-149 ≣E20Ch Croatia (team)03 Oct 2005
826Fusco Leonardo (ARG)2379Espinoza Palomino...22650-113 ≣E20Ch American Conti...20 Oct 2012
722Mamedov Ruslan (UKR)2222Budnikov Oleg (UKR)24160-146 ≣E20Tournament \01 Mar 2011
657Guerrero Alvaro (...2257Ginzburg Maximili...24551-045 ≣E20It (cat.3)18 Mar 2009
771Lokander Martin (...2151Lindberg Bengt (SWE)24150-135 ≣E20Cup Rilton27 Dec 2011
778Li Zuhao Luke (NZL)2165Stuart Peter (NZL)19911-020 ≣E20It (open)19 Jan 2012
606Cruz Lledo Pablo ...1945Uribe Arteaga Dan...22600-137 ≣E20It (cat.1)12 Apr 2007
30Schweber Samuel (...2348Eliskases Erich G...24300-129 ≣E20Ch Argentina
250Safin Shukhrat (UZB)2472Teplitsky Yan (CAN)24481-022 ≣E20Ch Uzbekistan
739Aghasaryan Robert...2337Babujian Levon (ARM)24681-050 ≣E20Memorial Karen As...19 Jun 2011
248Yurtaev Leonid (KGZ)2472Utemov Vladimir (...23851-048 ≣E20Ch URS (club)
588Moran Stephen (IRL)1892Hunt Harriet (ENG)24390-128 ≣E20It \30 Sep 2006
24Sanguinetti Raul ...2485Wexler Bernardo (...1-040 ≣E20It
21Hadjipetrov Aleks...Ivanov Pavel (RUS)20021-040 ≣E20Ch Bulgaria
559Romon Poves Raul ...2209Gomez Luesia Jesu...21961-040 ≣E20It (cat.4)04 Oct 2005
329Yakovich Yuri (RUS)2525Jussupow Artur (GER)26300-136 ≣E20It (active)
47Weise DietrichLengyel Levente (...22930-144 ≣E20Ch Europe (team)
351Hubert Ralf (GER)2293Rechmann Peter (GER)23160-148 ≣E20It (open)
261Khenkin Igor (GER)2624Schneider Lars-Ak...23641-031 ≣E20It \
9Sakellaropoulos ThLoverdos S1-024 ≣E20Ch Greece
81Maslov Yevgenij (...2265Korchmar E1-041 ≣E20Ch Armed Forces (...
259Hurme Harri M (FIN)2258Lindberg Bengt (SWE)24141-046 ≣E20It (open)
578Moranda Wojciech ...2462Rewasiewicz Milos...18551-012 ≣E20Tournament (juniors)13 Jul 2006
13Benko Pal C (USA)2408Dely Peter (HUN)23911-042 ≣E20Memorial Szikra
704Brokken Dennis (NED)2313Kirsanova Ekateri...21541-032 ≣E20It (open) (b)28 Jul 2010
150Tarjan James E (USA)2510Botterill George ...24001-038 ≣E20It
231Sokolov Sergey M ...Aleksandrov Aleks...23401-039 ≣E20Ch URS (qual)
2Landau Salo (POL)Van Scheltinga Th...23250-137 ≣E20Match
66Soeby Frode (DEN)Larsen Bent (DEN)24151-041 ≣E20Ch Denmark
73Donner Jan-Hein (...2430Bouwmeester Hans ...23431-041 ≣E20It (a)
86Partos Charles (SUI)2345Nacht Edgar0-119 ≣E20Ch Romania
57Omari (ALB)Ortega Lexy (ITA)24750-126 ≣E20Olympiad
3Junge Klaus (CHI)Bogoljubow Efim D...0-140 ≣E20It
5Muhring PimEuwe Max (NED)0-148 ≣E20Ch Netherlands
6Donner Jan-Hein (...2430Pirc Vasja (YUG)0-132 ≣E20It
7Kuzminykh Evgeni FKoblenc A (LAT)1-029 ≣E20Ch URS (1/2 final)
529Erdogan Hakan (TUR)2220Baramidze David (...25430-137 ≣E20Cup European Club03 Oct 2004
35Porreca Giorgio (...Tatai Stefano (ITA)23671-044 ≣E20Tournament
14Berliner Hans J (...Anderson Frank R ...0-130 ≣E20It (open)
15Baumbach Friedric...2239Schlieder Rolf0-131 ≣E20It (a)30 Dec 1956
38Weise DietrichClemens Christian...23140-148 ≣E20Ch BRD
17Portisch Lajos (HUN)2523Bilek Istvan (HUN)23751-032 ≣E20Ch Hungary
18Korchnoi Viktor (...2556Bykov Valery (RUS)23011-045 ≣E20Ch Leningrad
78Khodos German (RUS)2200Polgar Istvan (HUN)24251-030 ≣E20Olympiad (student...
12Tal Mikhail N (LAT)2520Etruk Rein T (EST)23981-040 ≣E20Tournament
79Kuzmin Gennadi P ...2417Keres Paul (EST)25800-120 ≣E20Ch URS
26Weinstein Raymond...Denker Arnold S (...22931-041 ≣E20Ch USA
27Sanguinetti Raul ...2485Luckis Marcos22701-020 ≣E20It
625Sieciechowicz Mar...2321Sochacki Wojtek (...22441-047 ≣E20Ch Poland (junior...02 Apr 2008
31Polugaevsky Lev A...2585Teschner Rudolf (...22951-038 ≣E20Match \
88Kort Jacob (NED)2153Tomson J0-119 ≣E20Ch World (students)
25Taimanov Mark E (...2386Milic Borislav (YUG)1-034 ≣E20Match \
34Rutman Aleksandr ...2198Selevinski0-129 ≣E20Match \
37Purdy Cecil J S (...Sarapu Ortvin (NZL)22551-037 ≣E20Ch Australia15 Oct 1960
39Vladimirov Boris ...2340Lein Anatoly (USA)22611-033 ≣E20Ch URS
89Vladimirov Boris ...2340Szabo Laszlo (HUN)19031-021 ≣E20It
41Gligoric Svetozar...2447Germek Milan1-029 ≣E20It
44Khodos German (RUS)2200Kuijpers Frans A ...22801-040 ≣E20Olympiad (student...
45Sliwa Bogdan (POL)2235Kostro Jerzy (POL)23051-047 ≣E20Ch Poland
53Sliwa Bogdan (POL)2235Lengyel Levente (...22930-141 ≣E20It
4O'kelly De Galway...2460Wood Gabriel1-028 ≣E20It
50Ghitescu Theodor ...2384Soos Bela (GER)22811-036 ≣E20Ch Romania
51Richardson Keith ...2137Wade Robert G (ENG)21480-136 ≣E20Tournament
52Tal Mikhail N (LAT)2520Barstatis Reinhar...22400-143 ≣E20?
56Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
58Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
59Wade Robert G (ENG)2148Ortega Lexy (ITA)24750-137 ≣E20Olympiad
60Bukic Enver (SLO)2383Sofrevski Jovan (...23751-040 ≣E20It
61Bowen AWWade Robert G (ENG)21481-032E20Ch Great Britain
64Fraczek HenrykSzukszta Janus0-131 ≣E20Ch Poland
65Tay Cheong AnnBerger Bela (HUN)0-137 ≣E20Zt
67Schmidt Johannes ...2243Gigas J1-046 ≣E20Ch BRD (corr.)
442Solon Nathan (USA)2278Ashley Maurice (USA)24820-146 ≣E20It \
794Gardner Robert (CAN)2196Shabalov Alexande...25230-137 ≣E20It (open)18 May 2012