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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
317Chow Albert (USA)2206Chachere Lawrence...23051-032 ≣E20Ch Illinois
924Freitas Romeu S (...2242Tsuboi Edson Kenj...23060-149 ≣E20It (open)22 Apr 2012
80Kan Ilya A (RUS)Botvinnik Mikhail...23070-136 ≣E20Match (training)
394Kuraszkiewicz Mic...2341Menacher Manfred ...23071-069 ≣E41Ch Bayern (2)
337Karsa Laszlo (HUN)2346Callergard Robert...23080-136 ≣E20It (open)
741Hadamard Olivier ...1816Letreguilly Olivi...23080-143 ≣E20It (open)14 Oct 2006
502Pompa Alessandro ...2070Malloni Marcello ...23090-130 ≣E41Ch Rome
875Galojan Lilit (ARM)2389Ambartsumova Kari...23091-0114 ≣E41It (w)
340SacchiniMalloni Marcello ...23090-126 ≣E20?
592Olujic Steve1910Levy David N L (SCO)23100-129 ≣E20Tournament
541Komarov Andrei (RUS)1981Rutman Aleksandr ...23100-133 ≣E20It (seniors)
256Garcia Raimundo (...2327Giardelli Sergio ...23151-041 ≣E20Olympiad
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
581Sanchez BenitoCaselas Cabanas J...23160-128 ≣E41It (open)
207Payrhuber KlausBohm Hans (NED)23170-140 ≣E20Ch Europe (juniors)
380Santos Carlos P (...2404Badev Kiril (BUL)23171-028 ≣E20Ch World (juniors...
912Glavas Dragan (CRO)2322Radocaj Denis (CRO)23180-141 ≣E20Ch Croatia (team)...07 Oct 2011
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
34Rossolimo Nichola...2450Golombek Harry (ENG)23201-022 ≣E41It
475Salman Joel (USA)2225Goregliad Sergei ...23201-019 ≣E20It
535Markotic Gordan (...2310Damjanovic Mato (...23200-145 ≣E41Ch Croatia (team)...
336Ilic Dragan B (SRB)2266Nikolic Stanimir ...23201-077 ≣E41?
478Lancz Ondrej (SVK)2099Zhidkov Valery S ...23250-136 ≣E41It (open)
801Yurkov Alexey (UKR)2174Minenko Andrey (RUS)23261-052 ≣E41Ch Ukraine (junio...02 Oct 2008
919Mueller Oliver (GER)2327Dranischnikov Ego...23270-135 ≣E20Ch Germany09 Mar 2012
134Cintron RafaelCardoso Radolfo T...23300-142 ≣E41Olympiad
184Piket Joop J (NED)2125Kramer Haije J (NED)23301-038 ≣E20It \
237Venalainen Unto E...2350Day Lawrence A (CAN)23301-019 ≣E20?
251Kretschmar HeinzKramer Haije J (NED)23300-134 ≣E41Olympiad (corr.)
294Martin Andrew D (...2445Grooten Herman (NED)23331-031 ≣E41It \
770Name Gabriel (BRA)2241Tsuboi Edson Kenj...23340-141 ≣E41It (open)17 Nov 2007
115Diez Del Corral J...2415Persitz Raaphi (SUI)23360-180 ≣E20It
738Birens Eric-Andre...2007Bosman Michiel (NED)23390-134E20Cup European Club11 Oct 2006
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
510Zaks JVatnikov Josif E ...23400-139 ≣E20It \
151Gasztonyi Endre (...2295Vladimirov Boris ...23400-135E41Match \
398Tihonov Jurij (BLR)2448Tzoumbas Anastasi...23411-023 ≣E20Ch World (juniors...
219Glotov VSoloviev Vladimir...23420-125 ≣E41?
149Vladimirov Boris ...2340Shamkovich Leonid...23420-125 ≣E20Ch URS
872Burcu Cagatay (TUR)1878Tilicheev Viaches...23430-136 ≣E20Olympiad (under 16)27 Nov 2010
651Kaminik Aleksanda...2266Ruderfer Mark B (...23440-134 ≣E20Ch Israel (team)
564Minzer Claudio Ja...2390Bombardiere Rosas...23451-054 ≣E41It (open)
882Kornyukov Alexey ...2483Shibaev F (RUS)23450-141 ≣E20Ch Southern FO (o...13 Mar 2011
570Roobol Martin (NED)2260Janssen Ruud (NED)23450-149 ≣E41It (open)
344Shereshevski Mikh...2475Kveinys Aloyzas (...23451-043 ≣E41Ch URS (1/2 final)
448Borovicka Bohumil...1997Michenka Jozef (CZE)23460-140 ≣E41It (open)
54Tramoyeres PEnevoldsen Jens (...23500-174 ≣E20It
531Vegh Endre (HUN)2350Hoang Thanh Trang...23501-059 ≣E20Ch Hungary (team)...
521Taggatz Mario (GER)2303Ankerst Mihael (SLO)23501-039 ≣E20It (open) (a)
725Bukal Vladimir Jr...2443Meszaros Tamas (HUN)23521-028 ≣E20Bundesliga B Mitt...04 Mar 2006
802Berczes David (HUN)2514Jurek Josef (CZE)23541-054 ≣E41It (open)04 Oct 2008
324Griffin PSorensen Torben (...23580-129 ≣E20Europe Tournament...
797Manfredi Vincenzo...2206Tatai Stefano (ITA)23621-043 ≣E41It (open)27 Aug 2008
273Vukosavljevic Lju...2195Stempin Pawel (POL)23620-132 ≣E20It
277Kovalev Andrei (BLR)2513Gavrikov Viktor (...23651-043 ≣E20Memorial A.Sokolsky
647Ahern JohnKarkanaqe Ilir (ALB)23660-128 ≣E41Cup European Club...
270Toth Bela (ITA)2345Tatai Stefano (ITA)23670-129 ≣E20It (a)
275Brionne Thierry (...2112Borg Geoffrey (MLT)23670-127 ≣E41Ch Europe (juniors)
632Galvan Jesus (PER)2187Lorenzini Martin ...23671-036 ≣E20Memorial Pablo Go...
334Wildi Marcel (SUI)2261Tatai Stefano (ITA)23670-140 ≣E20It
211Piket Joop J (NED)2125Tatai Stefano (ITA)23670-133 ≣E20It \
803Li Ruofan (SIN)2426Vasilevich Tatjan...23680-112 ≣E41World Mindsports ...08 Oct 2008
913Dambaev Bilikto (...1764Dashibalov Erdem ...23690-125 ≣E20Tournament (open) \17 Dec 2011
18Sajtar Jaroslav (...Kottnauer Cenek (...23701-032 ≣E41Memorial K.Treybal
443Roobol Martin (NED)2325Lemmers Oscar (NED)23701-041 ≣E41Ch Netherlands (q...
254Siff Boris2230Peters John A (USA)23700-124 ≣E20?
391Hoffmann Michael ...2465Ellers Holger (GER)23700-136 ≣E20Ch Germany (junio...
16Lilienthal Andor ...2385Kottnauer Cenek (...23701-015 ≣E41Match \
663Rattray Gordon2055McKay Roderick M ...23710-121 ≣E41Ch West Scotland26 May 2002
224Shereshevski Mikh...2475Korelov Alexander...23751-045 ≣E41Memorial A.Sokolsky
201Maher VincentHenry Paul (IRL)23750-138 ≣E20Ch Ireland
368Santos Carlos P (...2404Martin Benjamin (...23751-039 ≣E20Ch World (juniors...
339Kekki Petri (FIN)2335Welin Thomas (SWE)23750-116 ≣E41It (open)
321Ezeokoli MMartin Benjamin (...23750-151 ≣E41Ch World (juniors...
654Marquez Molina Jo...Lorenzini Martin ...23750-126 ≣E20It (open)
659Ganaus Hannes (AUT)2360Danner Georg (AUT)23771-075 ≣E20Memorial Poyntner...
897Nyvlt Otto (CZE)1986Sodoma Jan (CZE)23800-132 ≣E41It \03 Jul 2011
100Somogyi Istvan (HUN)2205Barczay Laszlo (HUN)23810-135 ≣E41Ch Hungary
830Khachatryan Vahag...2278Polivanov Anatoli...23821-036 ≣E20It (open)12 Sep 2009
401Birens Eric-Andre...1969Tjiam Dharma (NED)23820-159 ≣E20It (open)
580Kouvatsos Filippo...2116Nikolaidis Konsta...23830-131 ≣E41It (open)
381Birens Eric-Andre...1969Sonntag Hans-Hube...23850-150 ≣E20It (open)
522Jetzl Joerg (AUT)2203Lopushnoy Denis (...23850-120 ≣E41It (cat.3)
539Manakova Maria (SRB)2345Prudnikova Svetla...23850-167 ≣E41Ch Yugoslavia (te...
353Negro Roberto1900Vehi Bach Victor ...23851-029 ≣E20It (open)
453AkopianUtemov Vladimir (...23850-129 ≣E41It (open)
682Santos Marcus Vin...2334Tsuboi Edson Kenj...23870-167 ≣E41It (cat.3)
699Santos Marcus Vin...2334Tsuboi Edson Kenj...23871-059 ≣E41It (cat.5)17 Oct 2004
704Nikolaeva Alexand...2133Abrashkin Boris (...23880-131 ≣E20Ch PriFO11 Dec 2004
892Ilic Dragan (SRB)2388Govedarica Radova...23891-028 ≣E41Cup Serbia (team)20 May 2011
883Anfinogenov Artem...2098Tilicheev Viaches...23890-132 ≣E20Ch Moscow (1/2 fi...17 Mar 2011
371Pavlovic Slobodan...2159Govedarica Radova...23890-130 ≣E20Ch Yugoslavia (te...
715Shevchenko Tanya ...2157Biriukov Oleg V (...23890-143 ≣E20It (open) (a)22 Jul 2005
465Herraiz Hidalgo H...2260Sanz Alonso Franc...23901-049 ≣E41Ch Spain (team)
302Karsa Laszlo (HUN)2346Rajna George (ISR)23901-025 ≣E20It (open)
941Edirisinghe Dulan...2046Meshkov Yuri A (RUS)23900-170 ≣E20Olympiad05 Sep 2012
546Ehlvest Jaan (USA)2610Cladouras Panagio...23901-028 ≣E41It (open) \
498Garneli EvageliaKalesis Nikolaos ...23900-123 ≣E20It (open)
798Khachatryan Vahag...2283Grekh Andrey (UKR)23911-043 ≣E20Memorial E.Geller...11 Sep 2008
325Schlenga KlausPliester Leon (NED)23920-137 ≣E20Ch Netherlands (o...