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Nimzo-Indian, Sämisch Variation, 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Notation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3

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
621Castillo Garcia E...1858Beltran Lopez Fer...1-035 ≣E20It (open) (b)
620Viniarski Alex (AUS)Oliver Gareth (AUS)21640-115 ≣E20Ch Australia (jun...
619Berg Kurt M (NOR)Royset Paal (NOR)22570-170 ≣E41It (open)
618Santurbano Maria ...1873Arnetta Maria Ter...20170-135 ≣E20Ch Italy (w)03 Sep 2000
617Boteanu Jean (ROM)2105Zarnescu Marius (...18440-136 ≣E20Ch Romania (1/2 f...
616Petritaj Ferdinan...2194Van Hoolandt Patr...21691-028 ≣E41It (open)
615Nikolaeva Alexand...2202Dordzhieva Nadezh...20561-052 ≣E20Ch Russia (junior...
613Kmit Jozef (SVK)2047Bukovinsky J1-033 ≣E20Ch Slovakia (team...
612Duchateau Thomas ...2060Harovelo Ingmar (...21980-137 ≣E20It (open)
611Fiorito Fabian (ARG)2418Santa Coloma Ernesto1-038 ≣E41It (open)
610Sarthou Gaetan (FRA)2399Spiridonov Nikola...24000-134 ≣E41It
609Fernandez Juan C ...2410Gonzalez Aguirre ...21440-163 ≣E41It (open)
608Rudlof JuergenStredak Josef0-136 ≣E20It (open) (b)
607Sidorchuk Dmitry ...2266Katuzian Valery (...21831-031 ≣E20It (open)
606Russell Corey (USA)2314Gulko Boris F (USA)26430-137 ≣E20Oz.com qualifier ...
605Olsson Simon (SWE)2130Nordstrom K1-023 ≣E20It (open)
604Toth Bela (ITA)2389Kluss Kai (GER)22271-030 ≣E41Bundesliga (2nd) ...
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
602Schroll Ralph (GER)2174Suess Helmut (GER)19861-027 ≣E20Ch Mittelfranken ...
601Moskalenko Viktor...2508Bevia Luis Martin...21731-031 ≣E41It (open)
600Nikolopoulos Dimi...Roubeglis Nikolaos1-025 ≣E20It (open) \
598Kostadinov George...2097Berry Jonathan (CAN)22871-031 ≣E41Memorial P.Keres ...
597Moskalenko Viktor...2471Campos Moreno Jav...24840-120 ≣E41It (open)
596Shields Sylvia (AUS)Dekic Biljana N (...21181-044 ≣E20Ch Australia (w)
595Miton Kamil (POL)2401Goldin Alexander ...26021-036 ≣E20It (open)
594Tikhanov Adolf (RUS)2235Orlov Vassily (RUS)24310-154 ≣E41It (open) \
592Olujic Steve1910Levy David N L (SCO)23100-129 ≣E20Tournament
591Mohamad JamalVujovic Milorad (...22580-142 ≣E20It (open)
590Krak Tomas (SVK)2076Juricek Stanislav...22740-150 ≣E41It (open)
589Karner Christoph ...2181Medvegy Zoltan (HUN)23970-125 ≣E20Ch Europe (junior...
588Mensch Etienne (FRA)2281Amigues Emmanuel ...21771-027 ≣E20It (open)
587Feoktistov Alexey...2359Ovod Evgenija (RUS)23031-040 ≣E20Cup Russia (open)
586Danielsen Arne (NOR)2243Lilleoren David (...20800-142 ≣E41Ch Norway (team) ...
585Chiong Luis (PHI)2387Divljan Igor (YUG)21651-032 ≣E41It (open)
584Toth JuergenPetrovic Goran1-027 ≣E41It (open)
583Moreno Carlos (PER)1879Paz Jose C1-032 ≣E20Ch Peru (regional)
582Winiwarter Felix ...2225Pilaj Herwig (AUT)21970-138 ≣E41It (open)
581Sanchez BenitoCaselas Cabanas J...23160-128 ≣E41It (open)
580Kouvatsos Filippo...2116Nikolaidis Konsta...23830-131 ≣E41It (open)
579Huennekes Theo (GER)2152Thiel Kuno (GER)23010-141 ≣E20It (open)
578Konovalova Olesia...2156Kalinina Vladisla...22390-139 ≣E20Ch Ukraine (junio...
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
576Sipka Zoltan (HUN)1908Vereb Andras (HUN)20860-122 ≣E20It (open)
575Jugow Alexander (...2197Reichenbach Werne...22970-132 ≣E41Ch World (seniors)
574Andersen Ejnar (DEN)2111Petersen Steen (DEN)21660-126 ≣E41Tournament
573Kaminik Aleksanda...2179Ibragimov Ildar (...25540-140 ≣E20It (open)
572Bank Friis Carste...2269Vovk Oksana (DEN)20751-024 ≣E41Ch Denmark (cand.)
571Andrade Romo Anib...2034Bastidas Rodrigue...22450-119 ≣E41Tournament \18 Sep 1998
570Roobol Martin (NED)2260Janssen Ruud (NED)23450-149 ≣E41It (open)
569Gomez Ruben (ARG)1893Lichtentein Juan1-022 ≣E20It (open)
568Strohmer HaraldDietrich Werner1-015 ≣E41It (open) (b)
567Hubmann Guenter (...2104Reyes-Acevedo Ism...20520-137 ≣E20It (open) (b)
566Henriksson Svante...2151Johansson Jukka (...21171-037 ≣E41It (open)
565Stodolova Kristyn...1980Pecinova Magda1-064 ≣E20Ch Czech Republic...
564Minzer Claudio Ja...2390Bombardiere Rosas...23451-054 ≣E41It (open)
563Carbajal Augusto ...2217Ramos Ernesto (PER)22800-142 ≣E20Ch Peru
562Legemaat Gert (NED)2216Lambers Gerrit Hans1-026 ≣E20Tournament
561Szafranski Michal...2127Dobrogost Wojciec...20981-025 ≣E20Ch Milanowek
560Durao Pedro (POR)2138Damaso Rui (POR)24300-124 ≣E20It (young masters)
559Dias Paulo (POR)2295Neto Horacio (POR)21570-126 ≣E41Ch City
557Novikov Georgy (RUS)Welin Mats (SWE)22510-129 ≣E20It (open)
556Luz SiegfriedWingender Hans Peter0-160 ≣E20Verbandsliga Nort...
555Schmidt Anton (GER)2153Stoer Andreas (GER)21701-053 ≣E20Bayern Landesliga...
554Ghozali CholidChan James (CAN)20121-024 ≣E20Ch Asian Cities (...
553Richardson John R...2330Copeland Graham (...22951-034 ≣E41Ch England (team)...
552Tschann Stephan (...2211Stockmann Michael...22840-130 ≣E20Ch City
551Kovacs Lajos (HUN)2138Computer \1-029 ≣E20It (open) \
550Vigh Bela (HUN)2385Hallossy Tibor (HUN)21391-040 ≣E20It (cat.3)
549Mensch Etienne (FRA)2260Murzin Lenar (RUS)22601-028 ≣E20It (cat.2)
548Chaves Jorge Anto...2110De Souza Marcos1-030 ≣E20Tournament (qual)
547Taggatz Mario (GER)2303Illijin Neboisa (...22601-041 ≣E20It (open)
546Ehlvest Jaan (USA)2610Cladouras Panagio...23901-028 ≣E41It (open) \
544Stefanek Piotr (POL)2182Kollarik Gorazd (...18731-035 ≣E20Ch Slovakia (team...
543Lutter Ladislav (...1940Janos Jozef (SVK)21450-168 ≣E20Ch Slovakia (team...
542Laudati APienabarca Nicola...21060-188 ≣E41It (open)
541Komarov Andrei (RUS)1981Rutman Aleksandr ...23100-133 ≣E20It (seniors)
540Vladimirov Boris ...2340Abzhirko Nikolay ...20571-047 ≣E41It (seniors)
539Manakova Maria (SRB)2345Prudnikova Svetla...23850-167 ≣E41Ch Yugoslavia (te...
538Manakova Maria (SRB)2345Peptan Corina-Isa...24601-052 ≣E41Ch Yugoslavia (te...
537Maksimovic Suzana...2300Lazic Marina (YUG)22201-019 ≣E20Ch Yugoslavia (te...
536Liardet Fabrice (...2380Ekstroem Roland (...24750-162 ≣E20It (open)
535Markotic Gordan (...2310Damjanovic Mato (...23200-145 ≣E41Ch Croatia (team)...
534Gonzalez Jorge A ...2245Browne Walter S (...25300-133 ≣E41It (open)
533Reduan Aband MohdHisar Simanjuntak0-136 ≣E41Ch World Cities
532Dang V Dung (VIE)2138Zagrebelny Sergey...24750-130 ≣E20Ch World Cities
531Vegh Endre (HUN)2350Hoang Thanh Trang...23501-059 ≣E20Ch Hungary (team)...
530De Groot ThijsCarstensen Jacob ...21650-168 ≣E20It (open) (juniors)
529Sull Gyula (HUN)2059Pribula Nandor (HUN)19661-029 ≣E20It (open) \
528Gruss SManigk Sebastian ...21511-051 ≣E20Bundesliga (junio...
527Neher MaxMoller Michael Dr...21850-149 ≣E20Bayern Landesliga...
526Manakova Maria (SRB)2345Saunina Ludmila (...22601-060 ≣E41Ch Russia (w)
525Mustonen VesaLehtinen Pentti0-160 ≣E20?
524Punteri Marco (ITA)2049De Bortoli Peter ...21831-027 ≣E41Ch Italy (juniors)
523Liardet Fabrice (...2380Zhu Chen (QAT)25151-041 ≣E20It (open)
522Jetzl Joerg (AUT)2203Lopushnoy Denis (...23850-120 ≣E41It (cat.3)
521Taggatz Mario (GER)2303Ankerst Mihael (SLO)23501-039 ≣E20It (open) (a)
520Bartl Ulf (GER)2019Oezen Alf18651-054 ≣E20It (open) \
519Jugow Alexander (...2230Weiler Ludwig20951-038 ≣E41Ch Hessen (seniors)
518Jugow Alexander (...2230Escher Clemens (GER)22340-139 ≣E41It (open)
517Thuemmler Manfred...2034Thal Olaf (GER)22951-040 ≣E20It (open)