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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
161Farias Sergio A (...2220Hollmann Jose0-188 ≣E20Ch Brazil
841Zavadil Michal (CZE)2084Goth Jiri21281-084 ≣E20Czech League 2009...17 Jan 2010
853Simovic Mladen (CRO)1862Marcic Ivica (CRO)20050-184 ≣E20It (open)06 May 2010
115Diez Del Corral J...2415Persitz Raaphi (SUI)23360-180 ≣E20It
660Mcmaster Richard ...2043Taylor Robert Mar...21650-180 ≣E20Ch Great Britain
69Balanel Ion (ROM)Szabo Stefan1-078E20It
111Kwapisz StanislawSolecki Zbigniew0-177 ≣E20Ch Poland
910Guk Ilja (UKR)2280Fiodorov Mikhail ...21430-176 ≣E20It (open)06 Sep 2011
492Gayer Michael (GER)2083Straub Juergen (GER)22280-175 ≣E20Bayern Landesliga...
659Ganaus Hannes (AUT)2360Danner Georg (AUT)23771-075 ≣E20Memorial Poyntner...
186Hruska Tomas (CZE)2026Petras Jan (CZE)20850-175 ≣E20Ch Czechoslovakia...
54Tramoyeres PEnevoldsen Jens (...23500-174 ≣E20It
136Spassky Boris V (...2548Tal Mikhail N (LAT)25200-173 ≣E20Ch URS
32Geller Efim P (RUS)2455Sokolsky Alexey (...0-172 ≣E20Ch URS
840Stahnke Alexander...1922Haron Greg20581-070 ≣E20Ch Australia (major)06 Jan 2010
941Edirisinghe Dulan...2046Meshkov Yuri A (RUS)23900-170 ≣E20Olympiad05 Sep 2012
361Birens Eric-Andre...1969Roos Celine (FRA)21450-169 ≣E20Ch France (qual)
279Haik Aldo (FRA)2405Van Der Wiel John...24700-169 ≣E20It (b)
690Willinger TimO'Reilly Gerard0-168 ≣E20It (open)24 Apr 2004
530De Groot ThijsCarstensen Jacob ...21650-168 ≣E20It (open) (juniors)
543Lutter Ladislav (...1940Janos Jozef (SVK)21450-168 ≣E20Ch Slovakia (team...
834Pavlu Jiri1898Svancara Petr (CZE)21640-167 ≣E20Czech League 2009...18 Oct 2009
26Olivera AlfredoLuckis Marcos22700-167 ≣E20It
158Iljinsky Yaroslav...2270Rosenfeld Isai K0-166 ≣E20Ch URS (1/2 final)
927Ghollasi Mood Moj...1991Amin Afshar Hossein1-066 ≣E20Tournament (Elo)09 Jun 2012
702Khattapova Aigul ...1956Ishmurzina Liliya...1-065 ≣E20Ch Privolzhskogo ...
70Averbakh Yuri L (...2445Estrin Yakov B (RUS)24500-164 ≣E20Ch Moscow
268Weber Robert1Gerusel Mathias (...24251-064 ≣E20It
765Pak Evgeniy (KAZ)2184Salehian Sina (IRI)20301-064 ≣E20Olympiad (under 16)08 Aug 2007
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
565Stodolova Kristyn...1980Pecinova Magda1-064 ≣E20Ch Czech Republic...
642Pfleger Sascha (GER)2214Machenski Jerome ...19771-063 ≣E20It (open)
376Clement CCallychurn J1-062 ≣E20Olympiad
384Lim Kok Ann Dr (SIN)2038Usachyi Mark (UKR)21960-162 ≣E20Ch World (seniors)
536Liardet Fabrice (...2380Ekstroem Roland (...24750-162 ≣E20It (open)
386Vigh Bela (HUN)2349Pieper-Emden Cars...22801-062 ≣E20It \
769Denisov Boris (RUS)1987Mukhin Alexey (RUS)17261-061 ≣E20Ch Russia (PODA)07 Nov 2007
10Rudakovsky Iosif ...Lisitsyn Georgy (...0-161 ≣E20Ch URS
7Klein Ernst LudwigEuwe Max (NED)0-161 ≣E20It
429Belcher EdwardFriedman Josef (USA)21860-160 ≣E20It (open)
395Adler Bo (SWE)2171Backe Peter (SWE)22350-160 ≣E20Ch Sweden (master...
556Luz SiegfriedWingender Hans Peter0-160 ≣E20Verbandsliga Nort...
403Wallace John Paul...2398Kagan Naum (AUS)22130-160 ≣E20It
934Ghyselen Wouter (...2115Sadkowsky Daniel ...22890-160E20It \16 Jul 2012
878Schwarz Dusan (SVK)2286Travenec Igor (SVK)21961-060 ≣E20Ch Slovakia (team...13 Feb 2011
880Pugh Larry (USA)2051Lobo Kunal1-060 ≣E20Ch USA (amateur) ...19 Feb 2011
525Mustonen VesaLehtinen Pentti0-160 ≣E20?
909Russo Arianna1696Andreani Carlo13861-059 ≣E20It (open) (b)04 Sep 2011
242Starck Bodo (GER)2248Broberg Horst (GER)20910-159 ≣E20Ch DDR
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
531Vegh Endre (HUN)2350Hoang Thanh Trang...23501-059 ≣E20Ch Hungary (team)...
231Haut HKetzscher Roland ...20850-159 ≣E20corr.
870Lukacovic Mirosla...2006Eged Igor (SVK)20650-159 ≣E20Ch Slovakia (team...07 Nov 2010
401Birens Eric-Andre...1969Tjiam Dharma (NED)23820-159 ≣E20It (open)
407Skoberne D1850Marusic V18500-158 ≣E20Ch Slovenia (1 liga)
39Bronstein David I...2432Smyslov Vassily (...24941-058 ≣E20Tournament (candi...
785Blok Michiel (NED)2212Wustefeld Emile (...22320-158 ≣E20It (open)11 May 2008
87Fragoso DarcyVasconcellos Fern...0-158 ≣E20Ch Brazil
884Seleznev ValentinSkliarov Olexandr...20330-158 ≣E20Tournament (open) \19 Mar 2011
907Barlocco Carlo (ITA)2135Pierantozzi Stani...19711-057 ≣E20It (open)28 Aug 2011
409Jansson Anders O ...2106Jagerflod Kent (SWE)19780-157 ≣E20Ch Sweden (corr.)
868Burcu Cagatay (TUR)1878Rindlisbacher Lar...21900-157 ≣E20Ch Europe (junior...22 Sep 2010
46Borisenko Georgy ...2354Sokolsky Alexey (...1-057 ≣E20Ch URS
650Kaminik Aleksanda...2266Postny Evgeny (ISR)24940-157 ≣E20Ch Israel (team)
456Malo Guillen Jose...2189Kolev Atanas (BUL)24950-157 ≣E20It (open) \
768Foisor Mihaela-Ve...2029Landenbergue Clau...24520-157 ≣E20It (open)14 Sep 2007
772Yezhel ValiantsinMoradi Amir Masoud0-157 ≣E20Ch World (juniors...25 Nov 2007
120Dittmann SieghardPuc Stojan (SLO)22550-156 ≣E20It
458Henderson HYu Peter (USA)22470-156 ≣E20Memorial Colias (...
724Gajewski Grzegorz...2515Heberla Bartlomie...25691-056 ≣E20Ch Poland03 Mar 2006
280Asfora Marco (BRA)2219Milos Gilberto (BRA)25970-156 ≣E20Ch Brazil
116Geller Efim P (RUS)2455Smyslov Vassily (...24940-156 ≣E20Tournament (candi...
252Wiedenhoft LNeckel O1-055 ≣E20corr.
754Van Elst Andreas ...2350Ducret Thomas (FRA)22251-055 ≣E20Ch France (team) ...21 Jan 2007
814Stachowicz Feliks...1680Bankert Krzysztof...19450-155 ≣E20Ch Poland (team) ...01 Mar 2009
445Saglam BuelentSondors Peteris (...20780-155 ≣E20Oberliga Mittelrh...
886Passeri Marco1521De Carolis Massimo19720-155 ≣E20Tournament (weekend)03 Apr 2011
408Dommes Vladimir M...2293Ivanov Vitaly (RUS)22960-155 ≣E20It (open)
664Sacchini Marco (ITA)2198Shytaj Carlo (ITA)21270-155 ≣E20It (open)13 Jul 2002
210Biyiasas Peter (USA)2450Ludgate Alan (IRL)22650-155 ≣E20Ch British Columbia
263Gotzhein HLauer F0-155 ≣E20corr.
358Mustonen VesaWelling Pauli1-054 ≣E20?
140Sumar Julio (PER)2120Del Pozo Nestor1-054 ≣E20It
507Kopta Pavel (CZE)2299Jelinek Milan (CZE)20691-054 ≣E20It (open) (junior...
520Bartl Ulf (GER)2019Oezen Alf18651-054 ≣E20It (open) \
469Zawadski Stephane...2181Marciano David (FRA)24550-154 ≣E20Ch France (team)
906Ivanov FedorGoryachkin Alexan...20690-154 ≣E20Memorial Ermolaev...10 Aug 2011
755Radjabov Teimour ...2742Anand Viswanathan...28010-153 ≣E20It \18 Mar 2007
555Schmidt Anton (GER)2153Stoer Andreas (GER)21701-053 ≣E20Bayern Landesliga...
925Sutkovic Damir (BIH)2339Smith Bryan G (USA)24500-152 ≣E20It (open)06 May 2012
888Stanciu Alexandru...2308Martian Dragos-Da...20111-052 ≣E20Ch Romania (junio...15 Apr 2011
854Chen Yun (CHN)2181Li Wenliang (CHN)24410-152 ≣E20Tournament \18 May 2010
615Nikolaeva Alexand...2202Dordzhieva Nadezh...20561-052 ≣E20Ch Russia (junior...
379Forster Richard (...2456Gabriel Christian...24950-151 ≣E20Ch World (juniors...
223Oliva Lobato Pedr...2162Luckis Marcos22700-151 ≣E20It (open)
835Sedlak Nikola (SRB)2571Van Hoolandt Patr...22331-051 ≣E20Ch Europe (team)23 Oct 2009
97Chistiakov Alexan...Lisitsyn Georgy (...1-051 ≣E20Ch URS (team)
313Knoppert Erik G J...2336Riemersma Liafber...24200-151 ≣E20Ch Netherlands (1...
76Boleslawski ZbigniewGadalinski Jan (POL)0-151 ≣E20Ch Poland11 Oct 1952
742Brossard Armel (FRA)2183Vallet Marc (FRA)21770-151 ≣E20Ch France (team) ...06 Nov 2006