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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
390Chapman RogerVan Dijk Timon (NED)22330-125 ≣E20corr.
225Huelsmann Josef (...2214Nippgen Georg (GER)22341-029 ≣E20Tournament
395Adler Bo (SWE)2171Backe Peter (SWE)22350-160 ≣E20Ch Sweden (master...
81Szabo Laszlo (HUN)1903Sliwa Bogdan (POL)22350-143 ≣E20It
110Kwapisz StanislawSliwa Bogdan (POL)22351-040 ≣E20Ch Poland
309Polgar Zsuzsa (USA)2495Spiridonov Nikola...22391-033 ≣E20It (cat.7)
578Konovalova Olesia...2156Kalinina Vladisla...22390-139 ≣E20Ch Ukraine (junio...
732Berczes David (HUN)2415Kincs Imre (HUN)22401-041 ≣E20It (open)24 Jun 2006
680Muhammad Kamal (MAS)Yeo Min-Yang Evan...22450-150 ≣E20Ch ASEAN (juniors...
458Henderson HYu Peter (USA)22470-156 ≣E20Memorial Colias (...
828Zielinski Wojciec...1973Rybak Tomasz (POL)22480-136 ≣E20It (open)19 Jul 2009
260Holley MaxBerry Jonathan (CAN)22490-144 ≣E20corr.
557Novikov Georgy (RUS)Welin Mats (SWE)22510-129 ≣E20It (open)
795Shirobokov Roman ...2166Lykov Sergey (RUS)22511-049 ≣E20Memorial V.Emshanov
859Kotrotsos Vasilio...2355Stavrianakis Ioan...22510-148 ≣E20Ch Greece (team)07 Jul 2010
752Karmanov Sergei (...2075Dzhumagaliev Yan ...22520-133 ≣E20Ch Chess Club17 Jan 2007
739Santos Marcus Vin...2416Madeira Wagner Ma...22531-039 ≣E20It (open)13 Oct 2006
625Mensch Etienne (FRA)2299Somogyi Istvan (HUN)22541-019 ≣E20It (cat.2)
51Udovcic Mijo (YUG)2460Puc Stojan (SLO)22550-139E20Ch Yugoslavia
120Dittmann SieghardPuc Stojan (SLO)22550-156 ≣E20It
591Mohamad JamalVujovic Milorad (...22580-142 ≣E20It (open)
807Muraviev DLugovoy Yury (RUS)22581-029 ≣E20Ch City (open)
930Cazacu Gabriela (...1814Forthofer Robert ...22590-134 ≣E20It (open)10 Jul 2012
132Garcia Balado LShocron Ruben (USA)22590-133 ≣E20Ch Argentina
452LibertNilsson Nils S (DEN)22600-120E20Memorial I.Bolesl...
164Gligoric Svetozar...2447Osmanagic Muamer ...22601-039 ≣E20It
549Mensch Etienne (FRA)2260Murzin Lenar (RUS)22601-028 ≣E20It (cat.2)
547Taggatz Mario (GER)2303Illijin Neboisa (...22601-041 ≣E20It (open)
210Biyiasas Peter (USA)2450Ludgate Alan (IRL)22650-155 ≣E20Ch British Columbia
468Zaremba Andrie (USA)2348Ward Tom (USA)22650-149 ≣E20n) (b
194Tate LSLudgate Alan (IRL)22650-136 ≣E20Ch Great Britain ...
192Szabo Laszlo (HUN)1903Ortega Ruiz Jose ...22661-041 ≣E20Olympiad
354Stafrace JHamalainen Sami (...22660-134 ≣E20Ch Europe (juniors)
223Oliva Lobato Pedr...2162Luckis Marcos22700-151 ≣E20It (open)
63Huguet HLuckis Marcos22701-031 ≣E20Ch Argentina
26Olivera AlfredoLuckis Marcos22700-167 ≣E20It
495Jugow Alexander (...2152Rosen Willy (GER)22701-035 ≣E20Ch Germany (senio...
757Blackburn Joathan...2228Rees Ioan (WLS)22730-131 ≣E20Ch Wales07 Apr 2007
876Zulfic Fedja (AUS)2081Smith Robert W (NZL)22751-043 ≣E20Zt
735Lhost Geoffrey (BEL)1969Denayer Eric (BEL)22760-127 ≣E20It (open)30 Jul 2006
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
204Sikora Jan (CZE)2251Pachman Ludek (GER)22780-134 ≣E20Ch Czechoslovakia
815Rano David (FRA)2183Heinz Timothee (FRA)22791-027 ≣E20Ch France (team) ...14 Mar 2009
717Shevchenko Tanya ...2157Meier Volker (GER)22790-137 ≣E20It (open) (a)24 Jul 2005
563Carbajal Augusto ...2217Ramos Ernesto (PER)22800-142 ≣E20Ch Peru
386Vigh Bela (HUN)2349Pieper-Emden Cars...22801-062 ≣E20It \
877Coy William (COL)1903Tapia Daniel (COL)22801-017 ≣E20Tournament (open)05 Feb 2011
155Taieb AKuijpers Frans A ...22800-136 ≣E20Olympiad (student...
189Vadasz Laszlo (HUN)2271Liljedahl Lennart...22821-045 ≣E20Ch Europe (junior...
552Tschann Stephan (...2211Stockmann Michael...22840-130 ≣E20Ch City
627Holopainen Timo (...2231Henttinen Markku ...22850-138 ≣E20Ch Finland (team)...
934Ghyselen Wouter (...2115Sadkowsky Daniel ...22890-160E20It \16 Jul 2012
466Pribyl Martin (CZE)2390Hosek Milan (CZE)22891-048 ≣E20Czech League 1994...
858Wohlers-Armas Fri...2011Guichard Pauline ...22930-132 ≣E20Cup France (w)27 Jun 2010
14Reshevsky Samuel ...2430Denker Arnold S (...22931-045 ≣E20Ch USA
517Thuemmler Manfred...2034Thal Olaf (GER)22951-040 ≣E20It (open)
688Liascovich Lucas ...2415Arambel Sergio (ARG)22961-042 ≣E20It (open)08 Apr 2004
408Dommes Vladimir M...2293Ivanov Vitaly (RUS)22960-155 ≣E20It (open)
842Iglesias Joachim ...2244Wiley Tom E (ENG)22981-034 ≣E20It (cat.5)26 Feb 2010
579Huennekes Theo (GER)2152Thiel Kuno (GER)23010-141 ≣E20It (open)
587Feoktistov Alexey...2359Ovod Evgenija (RUS)23031-040 ≣E20Cup Russia (open)
638Medina Jose (ESP)2098Montilla Carrillo...23030-138 ≣E20Ch Spain (team) (...
190Popovic Petar (SRB)2485Karaklajic Nikola...23030-135 ≣E20It
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)
741Hadamard Olivier ...1816Letreguilly Olivi...23080-143 ≣E20It (open)14 Oct 2006
337Karsa Laszlo (HUN)2346Callergard Robert...23080-136 ≣E20It (open)
340SacchiniMalloni Marcello ...23090-126 ≣E20?
592Olujic Steve1910Levy David N L (SCO)23100-129 ≣E20Tournament
541Komarov Andrei (RUS)1981Rutman Aleksandr ...23100-133 ≣E20It (seniors)
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
256Garcia Raimundo (...2327Giardelli Sergio ...23151-041 ≣E20Olympiad
380Santos Carlos P (...2404Badev Kiril (BUL)23171-028 ≣E20Ch World (juniors...
207Payrhuber KlausBohm Hans (NED)23170-140 ≣E20Ch Europe (juniors)
912Glavas Dragan (CRO)2322Radocaj Denis (CRO)23180-141 ≣E20Ch Croatia (team)...07 Oct 2011
475Salman Joel (USA)2225Goregliad Sergei ...23201-019 ≣E20It
919Mueller Oliver (GER)2327Dranischnikov Ego...23270-135 ≣E20Ch Germany09 Mar 2012
184Piket Joop J (NED)2125Kramer Haije J (NED)23301-038 ≣E20It \
237Venalainen Unto E...2350Day Lawrence A (CAN)23301-019 ≣E20?
115Diez Del Corral J...2415Persitz Raaphi (SUI)23360-180 ≣E20It
738Birens Eric-Andre...2007Bosman Michiel (NED)23390-134E20Cup European Club11 Oct 2006
510Zaks JVatnikov Josif E ...23400-139 ≣E20It \
398Tihonov Jurij (BLR)2448Tzoumbas Anastasi...23411-023 ≣E20Ch World (juniors...
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)
882Kornyukov Alexey ...2483Shibaev F (RUS)23450-141 ≣E20Ch Southern FO (o...13 Mar 2011
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
324Griffin PSorensen Torben (...23580-129 ≣E20Europe Tournament...
273Vukosavljevic Lju...2195Stempin Pawel (POL)23620-132 ≣E20It
277Kovalev Andrei (BLR)2513Gavrikov Viktor (...23651-043 ≣E20Memorial A.Sokolsky
211Piket Joop J (NED)2125Tatai Stefano (ITA)23670-133 ≣E20It \
334Wildi Marcel (SUI)2261Tatai Stefano (ITA)23670-140 ≣E20It
270Toth Bela (ITA)2345Tatai Stefano (ITA)23670-129 ≣E20It (a)
632Galvan Jesus (PER)2187Lorenzini Martin ...23671-036 ≣E20Memorial Pablo Go...
913Dambaev Bilikto (...1764Dashibalov Erdem ...23690-125 ≣E20Tournament (open) \17 Dec 2011