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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
700Tregubov Vadim (UKR)2390Yaremko Nazar (UKR)22030-140 ≣E41Ch Ukraine (junio...
612Duchateau Thomas ...2060Harovelo Ingmar (...21980-137 ≣E20It (open)
632Galvan Jesus (PER)2187Lorenzini Martin ...23671-036 ≣E20Memorial Pablo Go...
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
419Garcia LealPerello J0-134 ≣E20Ch Europe (corr.)
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
65Aleman Dovo MiguelGonzalez0-136 ≣E41It
26Olivera AlfredoLuckis Marcos22700-167 ≣E20It
211Piket Joop J (NED)2125Tatai Stefano (ITA)23670-133 ≣E20It \
675Guseva Marina (RUS)2289Kryukova Irina (RUS)22610-138 ≣E41It (b)
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
143Maska JWolff H20001-039 ≣E20Europe Tournament...
627Holopainen Timo (...2231Henttinen Markku ...22850-138 ≣E20Ch Finland (team)...
46Borisenko Georgy ...2354Sokolsky Alexey (...1-057 ≣E20Ch URS
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
544Stefanek Piotr (POL)2182Kollarik Gorazd (...18731-035 ≣E20Ch Slovakia (team...
455Suarez Soria CEhlvest Jaan (USA)26000-127 ≣E20It (open)
403Wallace John Paul...2398Kagan Naum (AUS)22130-160 ≣E20It
498Garneli EvageliaKalesis Nikolaos ...23900-123 ≣E20It (open)
42Purdy John S (AUS)2143Napolitano Mario ...1-045 ≣A15?
609Fernandez Juan C ...2410Gonzalez Aguirre ...21440-163 ≣E41It (open)
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
656Deruelle Sala Alb...2158Lozano Arribas Ca...21880-142 ≣E41It (open)
231Haut HKetzscher Roland ...20850-159 ≣E20corr.
154Eriksson GHavansi Erkki E T...22230-144 ≣E20Olympiad (student...
574Andersen Ejnar (DEN)2111Petersen Steen (DEN)21660-126 ≣E41Tournament
216Tomic Dragoslav (...2125Szabo Laszlo (HUN)19030-140 ≣E20It
23Beni Alfred (AUT)2210Mueller Hans0-149 ≣E20It
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
1Rellstab Ludwig S...2265Pahl Kurt1-012 ≣E41
500Einarsson Bergste...2175Kristjansson Stef...24851-035 ≣E41It (open)
267Szabo Laszlo (HUN)1903Lein Anatoly (USA)25350-142 ≣E41?
81Szabo Laszlo (HUN)1903Sliwa Bogdan (POL)22350-143 ≣E20It
666Pages Rafart Jord...2120Fluvia Jordi (ESP)23940-151 ≣E20It (open)
135Pasman MarksKlasups Karlis1-040 ≣E41Ch Riga
127Esposito AlfredoPiro A1-035 ≣E20Tournament
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
192Szabo Laszlo (HUN)1903Ortega Ruiz Jose ...22661-041 ≣E20Olympiad
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
112Szapiro GSolecki Zbigniew1-018 ≣E20Ch Poland
265Lombardy William ...2520Bradford Joseph M...23801-034 ≣A40It (open)
107Ajanski Jordan S ...2350Kolarov Atanas S ...24150-135 ≣E20Ch Bulgaria
484Vigh Bela (HUN)2355Polak Tomas (CZE)24500-129 ≣E20It (open)
426Dauner KarlKatz Markus1-025 ≣A40Liga North Baden
379Forster Richard (...2456Gabriel Christian...24950-151 ≣E20Ch World (juniors...
286SchreiberWicklund Hansen G...1-025 ≣E20corr.
191Erozbek Akdogan2200Suwandhio Eddy0-140 ≣E20Olympiad
288Vyzmanavin Alexey...2540Chernin Alexander...24751-042 ≣E20Ch URS
155Taieb AKuijpers Frans A ...22800-136 ≣E20Olympiad (student...
459Geyer UlfBerresheim Helmut...21160-149 ≣E20Ch RLP (juniors) ...
526Manakova Maria (SRB)2345Saunina Ludmila (...22601-060 ≣E41Ch Russia (w)
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
159Iljinsky Yaroslav...2270Seoev Robert (TKM)22211-045 ≣E20Ch URS (1/2 final)
212Szabo Laszlo (HUN)1903Najdorf Miguel (POL)24450-125 ≣E41It
208Holt EricRomanishin Oleg M...25370-134 ≣E20It (open) (junior...
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
200Tabakiernik WLambshire MV0-140 ≣E41Ch Great Britain
448Borovicka Bohumil...1997Michenka Jozef (CZE)23460-140 ≣E41It (open)
615Nikolaeva Alexand...2202Dordzhieva Nadezh...20561-052 ≣E20Ch Russia (junior...
120Dittmann SieghardPuc Stojan (SLO)22550-156 ≣E20It
667Papacek TomasVoboril Pavel (CZE)21050-148 ≣E20Czech League 2002...
299Quinque KFauth Heinz1-041 ≣E20corr.
291Sahu Sekhar Chand...2320Blocker Calvin (USA)23781-022 ≣A13It
165Colon H (PUR)Chipev T (BUL)0-140 ≣E20Olympiad
414Wills ColinGilmour Duncan1-041 ≣E41Ch Belconnen
199Skalkotas Nikolao...2178Cabezudo Carlos0-141 ≣A17Ch World (juniors...
439Ceragioli JohnHimes Harold0-130 ≣E20Ch State California
116Geller Efim P (RUS)2455Smyslov Vassily (...24940-156 ≣E20Tournament (candi...
198Spodny Josef (CZE)2079Slezacek1-026 ≣A15corr.
197Litkiewicz Kurt (...2240Maton A1-022 ≣E20Europe Tournament...
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
196Morgado Juan J (ARG)2219Castelli Raul (ARG)21000-130 ≣E20Ch Chess Club
195Mihaljcisin Mihaj...2280Ankerst Marjan (SLO)22101-040 ≣E20?
201Maher VincentHenry Paul (IRL)23750-138 ≣E20Ch Ireland
202Oestreich ReinhardSoelter Reinhold ...20720-149 ≣E20Ch OWL
203Nevole Vladimir (...2051Slizak1-042 ≣E20?
204Sikora Jan (CZE)2251Pachman Ludek (GER)22780-134 ≣E20Ch Czechoslovakia
205Piket Joop J (NED)2125Kunnen1-026 ≣E20Ch Netherlands (t...
206Nisman Boris I (RUS)2351Karpov Anatoly (RUS)26170-146 ≣A17Ch URS (team)
207Payrhuber KlausBohm Hans (NED)23170-140 ≣E20Ch Europe (juniors)
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
209Muratov Vladimir ...Kacaiev1-031 ≣E41Ch Kazakhstan
157Welling ChristopherMueller0-144 ≣A17Tournament
213Epelman E GProkopp Heinz1-022 ≣E20Europe Tournament...
217Porreca Giorgio (...Suta Mihai (ROM)22351-033 ≣A15World Tournament ...
634Cvetkovic Ivana (...Franciskovic Bork...20501-053 ≣E41Ch Croatia (team)...
194Tate LSLudgate Alan (IRL)22650-136 ≣E20Ch Great Britain ...
503Karttunen Mika (FIN)2423Sorvari Jarmo (FIN)1-053 ≣A17It (open) \
404Dreyer Martin (NZL)2275Metge J Nigel (NZL)21301-039 ≣E41Ch New Zealand
193Kaminik Aleksanda...2168Shmit Anatoly (LAT)22000-132 ≣E20Ch URS (team)
702Khattapova Aigul ...1956Ishmurzina Liliya...1-065 ≣E20Ch Privolzhskogo ...
190Popovic Petar (SRB)2485Karaklajic Nikola...23030-135 ≣E20It
189Vadasz Laszlo (HUN)2271Liljedahl Lennart...22821-045 ≣E20Ch Europe (junior...
540Vladimirov Boris ...2340Abzhirko Nikolay ...20571-047 ≣E41It (seniors)
680Muhammad Kamal (MAS)Yeo Min-Yang Evan...22450-150 ≣E20Ch ASEAN (juniors...
538Manakova Maria (SRB)2345Peptan Corina-Isa...24601-052 ≣E41Ch Yugoslavia (te...
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
188Cotta EduardoAlves Francisco1-032 ≣E41Ch Brazil