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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
764Kazakova AnastasiaAbdrakhmanova Sar...20040-141 ≣E20Tournament (junio...
704Nikolaeva Alexand...2133Abrashkin Boris (...23880-131 ≣E20Ch PriFO11 Dec 2004
181Piket Joop J (NED)2125Agnes Corrado1-022 ≣E20Ch World (team) (...29 Jul 1964
635Tan Kenneth (SIN)2123Aizuddin Che Hassan1-040 ≣E20It (open)
588Mensch Etienne (FRA)2281Amigues Emmanuel ...21771-027 ≣E20It (open)
927Ghollasi Mood Moj...1991Amin Afshar Hossein1-066 ≣E20Tournament (Elo)09 Jun 2012
755Radjabov Teimour ...2742Anand Viswanathan...28010-153 ≣E20It \18 Mar 2007
89Kelly TAnderson Frank R ...0-122 ≣E20Olympiad
374Hirsch RobertAnderton David W ...22210-120 ≣E20corr.
909Russo Arianna1696Andreani Carlo13861-059 ≣E20It (open) (b)04 Sep 2011
491Liardet Fabrice (...2360Anka Emil (HUN)24001-032 ≣E20It (open)
195Mihaljcisin Mihaj...2280Ankerst Marjan (SLO)22101-040 ≣E20?
521Taggatz Mario (GER)2303Ankerst Mihael (SLO)23501-039 ≣E20It (open) (a)
688Liascovich Lucas ...2415Arambel Sergio (ARG)22961-042 ≣E20It (open)08 Apr 2004
921Bahzad Zeenaldeen...2118Ares Saber Majeed21421-040 ≣E20Ch Iraq23 Mar 2012
618Santurbano Maria ...1873Arnetta Maria Ter...20170-135 ≣E20Ch Italy (w)03 Sep 2000
121Polugaevsky Lev A...2585Averbakh Yuri L (...24450-132 ≣E20Ch URS
812Foisor Mihaela-Ve...2123Baciu Anca-Otilia...21831-036 ≣E20Ch Romania (w)06 Feb 2009
395Adler Bo (SWE)2171Backe Peter (SWE)22350-160 ≣E20Ch Sweden (master...
380Santos Carlos P (...2404Badev Kiril (BUL)23171-028 ≣E20Ch World (juniors...
814Stachowicz Feliks...1680Bankert Krzysztof...19450-155 ≣E20Ch Poland (team) ...01 Mar 2009
748Kocabalkan Tayfun...1653Bapci Hikmet0-125 ≣E20Ch Turkey (1/2 fi...19 Dec 2006
326Gyorkos Lajos (HUN)2395Barati Laszlo1-049 ≣E20Ch Hungary (open)
41Van't Veer PBarda Olaf (NOR)0-145 ≣E20Ch World (corr.)
641Furesz Jorsef (HUN)2038Bardossi Jeno (HUN)21980-142 ≣E20Ch Hungary (team)...18 Nov 2001
709Glawe Hartmut1971Bauer Norbert (GER)21680-130 ≣E20Landesliga (2nd) ...24 Apr 2005
406McKay Roderick M ...2376Beaton Kenneth S ...21161-030 ≣E20Ch Scotland
372Fischer Sebastian...2271Beisser Georg20451-045 ≣E20Ch Bayern (2)
287Vyzmanavin Alexey...2540Beliavsky Alexand...26001-042 ≣E20Ch URS
917Vlasova Daria (RUS)1849Belova Olga (RUS)20161-044 ≣E20It (open) (w)05 Feb 2012
621Castillo Garcia E...1858Beltran Lopez Fer...1-035 ≣E20It (open) (b)
718Lapshun Yury (USA)2445Berczes David (HUN)24750-134 ≣E20It (cat.8)07 Aug 2005
779Bogatenko Roman (...1978Bereziy Petr (RUS)17940-128 ≣E20Ch City09 Feb 2008
441Ernst KlausBerndt Walter (GER)21571-033 ≣E20It (open)
459Geyer UlfBerresheim Helmut...21160-149 ≣E20Ch RLP (juniors) ...
260Holley MaxBerry Jonathan (CAN)22490-144 ≣E20corr.
715Shevchenko Tanya ...2157Biriukov Oleg V (...23890-143 ≣E20It (open) (a)22 Jul 2005
282Brkusanin DBiukovic Goran (CRO)1-027 ≣E20It (open)
238Brilla Banfalvi S...Bjorkqvist Armas1-020 ≣E20corr.
396Vigh Bela (HUN)2349Blasovszky Istvan...21101-034 ≣E20Cup Donau (open)
174Machacek Petr (CZE)Blatny Frantisek ...21121-030 ≣E20Memorial Gargulak
308Thompson (USA)Blomquist Gary1-049 ≣E20Ch USA (corr.)
792Johansson Alexand...2022Blomqvist Erik (SWE)24180-123 ≣E20Ch Sweden (juniors)11 Jul 2008
442Bauerle PBluestone M1-032E20It (open) \
819Avram Veselin (SRB)2134Bodiroga Predrag ...24310-139 ≣E20Cup Vojvodina (team)30 Apr 2009
422Metzger Christian1985Boeckenhaupt Rudi...20601-042 ≣E20Ch Pfalz
207Payrhuber KlausBohm Hans (NED)23170-140 ≣E20Ch Europe (juniors)
126KabanovBoleslavsky Isaak...0-134 ≣E20Ch Belarus
833Barlotti Gabriele...1667Bonade Massimo (ITA)21270-123 ≣E20It (open)18 Oct 2009
420Kozlowski Waldema...2042Bonarek L1-044 ≣E20Ch Poland (corr.)
52Kopaev Nikolay An...Bonch-Osmolovsky ...0-146 ≣E20Ch URS (1/2 final)
338Wohlers-Armas Fri...2050Borisova Borislav...20891-021 ≣E20?
738Birens Eric-Andre...2007Bosman Michiel (NED)23390-134E20Cup European Club11 Oct 2006
80Kan Ilya A (RUS)Botvinnik Mikhail...23070-136 ≣E20Match (training)
678Pereira Figueroa ...2097Bozzo Rodolfo1-039 ≣E20Dos Hermanas Qual...16 Mar 2003
94Geller Efim P (RUS)2455Broadbent Reginal...1-044 ≣E20Match \
242Starck Bodo (GER)2248Broberg Horst (GER)20910-159 ≣E20Ch DDR
706Niklasson Christe...2375Brynell Stellan (...24960-128 ≣E20Ch Sweden (team) ...26 Feb 2005
613Kmit Jozef (SVK)2047Bukovinsky J1-033 ≣E20Ch Slovakia (team...
337Karsa Laszlo (HUN)2346Callergard Robert...23080-136 ≣E20It (open)
376Clement CCallychurn J1-062 ≣E20Olympiad
799Blackburn Joathan...2175Campbell Ian (ENG)20311-035 ≣E20Ch European Union12 Sep 2008
221PopovCarosi1-029 ≣E20corr.
530De Groot ThijsCarstensen Jacob ...21650-168 ≣E20It (open) (juniors)
271Sherwood CharlesCasey Kevin (AUS)20700-120 ≣E20It (open) \
196Morgado Juan J (ARG)2219Castelli Raul (ARG)21000-130 ≣E20Ch Chess Club
737Kaminik Aleksanda...2251Cebalo Miso (CRO)24890-138 ≣E20Ch World (seniors)12 Sep 2006
169Bratcko ICeglar Michael (GER)20000-129 ≣E20Tournament
317Chow Albert (USA)2206Chachere Lawrence...23051-032 ≣E20Ch Illinois
554Ghozali CholidChan James (CAN)20121-024 ≣E20Ch Asian Cities (...
710Van Elst Andreas ...2282Charnushevich Ale...25210-129 ≣E20Ch France (team) ...08 May 2005
249Garrido FedericoChaves Marcelo Fe...21341-040 ≣E20Olympiad
829Naipal Victoria (...1791Chavez Diana Mari...18841-043 ≣E20Ch Continent (w)05 Sep 2009
288Vyzmanavin Alexey...2540Chernin Alexander...24751-042 ≣E20Ch URS
165Colon H (PUR)Chipev T (BUL)0-140 ≣E20Olympiad
417Petrov Peter2325Christov I0-133 ≣E20corr.
440Kozlowski Waldema...2042Chruszcz T0-126 ≣E20Ch Poland (corr.)
850Veleski Robert (MKD)2282Cioara Andrei Nes...24260-143 ≣E20It (open) \21 Apr 2010
767Wohlers-Armas Fri...2141Collas Silvia (FRA)24080-133 ≣E20Ch France (w)15 Aug 2007
345Computer \Computer \0-138 ≣E20Ch Netherlands (c...
551Kovacs Lajos (HUN)2138Computer \1-029 ≣E20It (open) \
926Goncalves Ivan Me...2100Cruz Arquias Sofo...18381-042 ≣E20Ch Brazil (junior...07 Jun 2012
218Cafure EmilioCruz Raul0-125 ≣E20It (open)
804Gonda Laszlo (HUN)2507Csiszar Csaba (HUN)24371-038 ≣E20It (open)01 Nov 2008
918Sipos Istvan (HUN)2447Csom Istvan (HUN)24261-027 ≣E20Ch Hungary (team)...19 Feb 2012
726Hendi Peter (SUI)1784Czimer Jozsef (HUN)18570-125 ≣E20Tournament (Elo) (b)09 Mar 2006
560Durao Pedro (POR)2138Damaso Rui (POR)24300-124 ≣E20It (young masters)
777Rozhkov DDanchinov Viktor ...22150-123 ≣E20Ch City
659Ganaus Hannes (AUT)2360Danner Georg (AUT)23771-075 ≣E20Memorial Poyntner...
387McReamonn BDarby C1-034 ≣E20It (open)
913Dambaev Bilikto (...1764Dashibalov Erdem ...23690-125 ≣E20Tournament (open) \17 Dec 2011
237Venalainen Unto E...2350Day Lawrence A (CAN)23301-019 ≣E20?
886Passeri Marco1521De Carolis Massimo19720-155 ≣E20Tournament (weekend)03 Apr 2011
180Detthow BoDe Freitas Marcio...0-141 ≣E20Zt
182Camara Helder (BRA)2347De Freitas Marcio...1-042 ≣E20Ch Brazil
596Shields Sylvia (AUS)Dekic Biljana N (...21181-044 ≣E20Ch Australia (w)
145Toran Albero Roma...2445De Lange Daan1-030 ≣E20Olympiad
140Sumar Julio (PER)2120Del Pozo Nestor1-054 ≣E20It
735Lhost Geoffrey (BEL)1969Denayer Eric (BEL)22760-127 ≣E20It (open)30 Jul 2006
14Reshevsky Samuel ...2430Denker Arnold S (...22931-045 ≣E20Ch USA