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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
785Blok Michiel (NED)2212Wustefeld Emile (...22320-158 ≣E20It (open)11 May 2008
390Chapman RogerVan Dijk Timon (NED)22330-125 ≣E20corr.
835Sedlak Nikola (SRB)2571Van Hoolandt Patr...22331-051 ≣E20Ch Europe (team)23 Oct 2009
518Jugow Alexander (...2230Escher Clemens (GER)22340-139 ≣E41It (open)
225Huelsmann Josef (...2214Nippgen Georg (GER)22341-029 ≣E20Tournament
81Szabo Laszlo (HUN)1903Sliwa Bogdan (POL)22350-143 ≣E20It
395Adler Bo (SWE)2171Backe Peter (SWE)22350-160 ≣E20Ch Sweden (master...
110Kwapisz StanislawSliwa Bogdan (POL)22351-040 ≣E20Ch Poland
61Kottnauer Cenek (...2370Sliwa Bogdan (POL)22351-040 ≣E41Memorial G.Maroczy
578Konovalova Olesia...2156Kalinina Vladisla...22390-139 ≣E20Ch Ukraine (junio...
309Polgar Zsuzsa (USA)2495Spiridonov Nikola...22391-033 ≣E20It (cat.7)
732Berczes David (HUN)2415Kincs Imre (HUN)22401-041 ≣E20It (open)24 Jun 2006
486Jugow Alexander (...2152Breustedt Werner ...22401-049 ≣E41Ch World (seniors)
896Yargici Mazhar Ku...1921Emiroglu Cankut (...22421-053 ≣E41Ch Turkey (team)02 Jul 2011
571Andrade Romo Anib...2034Bastidas Rodrigue...22450-119 ≣E41Tournament \18 Sep 1998
680Muhammad Kamal (MAS)Yeo Min-Yang Evan...22450-150 ≣E20Ch ASEAN (juniors...
458Henderson HYu Peter (USA)22470-156 ≣E20Memorial Colias (...
413Russell Corey (USA)2155Barnes Joel (USA)22481-080 ≣E41It \
828Zielinski Wojciec...1973Rybak Tomasz (POL)22480-136 ≣E20It (open)19 Jul 2009
260Holley MaxBerry Jonathan (CAN)22490-144 ≣E20corr.
859Kotrotsos Vasilio...2355Stavrianakis Ioan...22510-148 ≣E20Ch Greece (team)07 Jul 2010
795Shirobokov Roman ...2166Lykov Sergey (RUS)22511-049 ≣E20Memorial V.Emshanov
557Novikov Georgy (RUS)Welin Mats (SWE)22510-129 ≣E20It (open)
382Winiwarter Felix ...2176Gerhold Michael (...22511-035 ≣E41Staatsliga
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)
120Dittmann SieghardPuc Stojan (SLO)22550-156 ≣E20It
51Udovcic Mijo (YUG)2460Puc Stojan (SLO)22550-139E20Ch Yugoslavia
487Chiong Luis (PHI)2390Nirav Y Rajasuba ...22551-053 ≣E41It (open)
619Berg Kurt M (NOR)Royset Paal (NOR)22570-170 ≣E41It (open)
807Muraviev DLugovoy Yury (RUS)22581-029 ≣E20Ch City (open)
591Mohamad JamalVujovic Milorad (...22580-142 ≣E20It (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...
526Manakova Maria (SRB)2345Saunina Ludmila (...22601-060 ≣E41Ch Russia (w)
164Gligoric Svetozar...2447Osmanagic Muamer ...22601-039 ≣E20It
547Taggatz Mario (GER)2303Illijin Neboisa (...22601-041 ≣E20It (open)
549Mensch Etienne (FRA)2260Murzin Lenar (RUS)22601-028 ≣E20It (cat.2)
675Guseva Marina (RUS)2289Kryukova Irina (RUS)22610-138 ≣E41It (b)
633Idrisova Roza (RUS)2106Kryukova Irina (RUS)22610-136 ≣E41Ch Russia (w) (1 ...
468Zaremba Andrie (USA)2348Ward Tom (USA)22650-149 ≣E20n) (b
194Tate LSLudgate Alan (IRL)22650-136 ≣E20Ch Great Britain ...
857Gongora Maikel (CUB)2468Morales Rolando (...22651-042 ≣E41Memorial J.Capabl...16 Jun 2010
210Biyiasas Peter (USA)2450Ludgate Alan (IRL)22650-155 ≣E20Ch British Columbia
192Szabo Laszlo (HUN)1903Ortega Ruiz Jose ...22661-041 ≣E20Olympiad
354Stafrace JHamalainen Sami (...22660-134 ≣E20Ch Europe (juniors)
822Ryklis BorisKolmakov Pavel (RUS)22680-122 ≣E41It (open) \19 Jun 2009
31Bolbochan Jacobo ...Luckis Marcos22700-159 ≣E41It
495Jugow Alexander (...2152Rosen Willy (GER)22701-035 ≣E20Ch Germany (senio...
775Ipatov Alexander ...2265Golubka Petr (UKR)22701-051 ≣E41Ch Ukraine (junio...06 Dec 2007
506Nikolic Zoran (SRB)2225Kajganovic Miodra...22701-039 ≣E41Ch Yugoslavia (1/...
26Olivera AlfredoLuckis Marcos22700-167 ≣E20It
223Oliva Lobato Pedr...2162Luckis Marcos22700-151 ≣E20It (open)
63Huguet HLuckis Marcos22701-031 ≣E20Ch Argentina
757Blackburn Joathan...2228Rees Ioan (WLS)22730-131 ≣E20Ch Wales07 Apr 2007
421Siciarz JTustanowski Rober...22740-136 ≣E41Ch Poland (corr.)
590Krak Tomas (SVK)2076Juricek Stanislav...22740-150 ≣E41It (open)
377Dreyer Martin (NZL)2275Teo Kok-Siong (SIN)22740-160 ≣E41Olympiad
494Schubert Ralf (GER)2145Mattick Lutz (GER)22750-130 ≣E41Bundesliga (2nd) ...
876Zulfic Fedja (AUS)2081Smith Robert W (NZL)22751-043 ≣E20Zt
104Sherbakov2415Levit Roman (USA)22751-023 ≣E41Ch URS (1/2 final)
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
155Taieb AKuijpers Frans A ...22800-136 ≣E20Olympiad (student...
877Coy William (COL)1903Tapia Daniel (COL)22801-017 ≣E20Tournament (open)05 Feb 2011
386Vigh Bela (HUN)2349Pieper-Emden Cars...22801-062 ≣E20It \
250Bosco Ricardo (ARG)2142Giudici Ernesto (...22801-048 ≣E41Tournament
563Carbajal Augusto ...2217Ramos Ernesto (PER)22800-142 ≣E20Ch Peru
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)...
895Ezat Mohamed (EGY)2434Belouadah Saad (ALG)22870-141 ≣E41Ch Africa08 Jun 2011
598Kostadinov George...2097Berry Jonathan (CAN)22871-031 ≣E41Memorial P.Keres ...
296Toth Bela (ITA)2345Mandl Robert (GER)22881-029 ≣E41It (open)
466Pribyl Martin (CZE)2390Hosek Milan (CZE)22891-048 ≣E20Czech League 1994...
934Ghyselen Wouter (...2115Sadkowsky Daniel ...22890-160E20It \16 Jul 2012
662Koczo Kristof (HUN)2081Nemeth Miklos (HUN)22900-125 ≣E41Ch Hungary (junio...30 Mar 2002
348Thorsteins Karl (...2430Boyd Stephen (FRA)22901-041 ≣E41It (open)
14Reshevsky Samuel ...2430Denker Arnold S (...22931-045 ≣E20Ch USA
858Wohlers-Armas Fri...2011Guichard Pauline ...22930-132 ≣E20Cup France (w)27 Jun 2010
517Thuemmler Manfred...2034Thal Olaf (GER)22951-040 ≣E20It (open)
553Richardson John R...2330Copeland Graham (...22951-034 ≣E41Ch England (team)...
408Dommes Vladimir M...2293Ivanov Vitaly (RUS)22960-155 ≣E20It (open)
688Liascovich Lucas ...2415Arambel Sergio (ARG)22961-042 ≣E20It (open)08 Apr 2004
693Santos Marcus Vin...2334Frenklakh Valery ...22961-019 ≣E41It20 Jun 2004
575Jugow Alexander (...2197Reichenbach Werne...22970-132 ≣E41Ch World (seniors)
842Iglesias Joachim ...2244Wiley Tom E (ENG)22981-034 ≣E20It (cat.5)26 Feb 2010
5Mikenas Vladas I ...2405Fairhurst William...23001-030 ≣E41It
579Huennekes Theo (GER)2152Thiel Kuno (GER)23010-141 ≣E20It (open)
332Vokac Marek (CZE)2471Damjanovic Mato (...23030-151 ≣E41It \
638Medina Jose (ESP)2098Montilla Carrillo...23030-138 ≣E20Ch Spain (team) (...
587Feoktistov Alexey...2359Ovod Evgenija (RUS)23031-040 ≣E20Cup Russia (open)
190Popovic Petar (SRB)2485Karaklajic Nikola...23030-135 ≣E20It
669Nilsson Erik (DEN)2168Cooper Lawrence (...23040-128 ≣E41Ch NATO
516Sinclair Mark (NZL)2215Smith Robert W (NZL)23050-127 ≣E41Ch New Zealand