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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
474Kuta MiroslavVesely Roman1-043 ≣E20It (open)
214Nielsen Carl-EvaldOe Oluf (DEN)20610-143 ≣E20Memorial L.Rasmussen
715Shevchenko Tanya ...2157Biriukov Oleg V (...23890-143 ≣E20It (open) (a)22 Jul 2005
761Hubel Merten (GER)2093Rueberg Jobst (GER)22230-143 ≣E20It (open)26 Jun 2007
277Kovalev Andrei (BLR)2513Gavrikov Viktor (...23651-043 ≣E20Memorial A.Sokolsky
312WinklerGlasewald Stefan ...20791-043 ≣E20corr.
829Naipal Victoria (...1791Chavez Diana Mari...18841-043 ≣E20Ch Continent (w)05 Sep 2009
444Thron CarstenHelms Sven (GER)20600-144 ≣E20Ch JBLN East 1993/94
178Blazek JosefSorsak Jozef Sr (...21251-044 ≣E20Ch Czechoslovakia...
260Holley MaxBerry Jonathan (CAN)22490-144 ≣E20corr.
420Kozlowski Waldema...2042Bonarek L1-044 ≣E20Ch Poland (corr.)
154Eriksson GHavansi Erkki E T...22230-144 ≣E20Olympiad (student...
94Geller Efim P (RUS)2455Broadbent Reginal...1-044 ≣E20Match \
596Shields Sylvia (AUS)Dekic Biljana N (...21181-044 ≣E20Ch Australia (w)
917Vlasova Daria (RUS)1849Belova Olga (RUS)20161-044 ≣E20It (open) (w)05 Feb 2012
109Kwapisz StanislawDomanski Jerzy (POL)20901-044 ≣E20Ch Poland
258Koskinen Erkki (FIN)1952Virtanen Matti1-044 ≣E20?
729Lockwood William ...1895Spraggett Kevin (...26100-144 ≣E20It (open)22 Apr 2006
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
388Moulton PKennedy Michael (...17991-044 ≣E20It (open)
818Zhmailo Yana (RUS)1746Grigorian Alvina ...1-044 ≣E20Ch Russia (junior...20 Apr 2009
41Van't Veer PBarda Olaf (NOR)0-145 ≣E20Ch World (corr.)
816Laitinen Martti (...1857Reuben Stewart (ENG)21520-145 ≣E20Ch Europe (senior...06 Apr 2009
159Iljinsky Yaroslav...2270Seoev Robert (TKM)22211-045 ≣E20Ch URS (1/2 final)
435Port Hans JuergenWalther Karl Heinz1-045 ≣E20Ch Bahn (H)
14Reshevsky Samuel ...2430Denker Arnold S (...22931-045 ≣E20Ch USA
35Aratovsky NikolaySokolsky Alexey (...0-145 ≣E20Ch URS (1/2 final)
189Vadasz Laszlo (HUN)2271Liljedahl Lennart...22821-045 ≣E20Ch Europe (junior...
372Fischer Sebastian...2271Beisser Georg20451-045 ≣E20Ch Bayern (2)
782Temirov B (KAZ)2278Dzhangabylov Bakhyt1-045 ≣E20Ch Kazakhstan (ju...27 Mar 2008
92Neu AloyseO'kelly De Galway...24600-146 ≣E20Olympiad
113Alster Ladislav (...Filip F1-046 ≣E20Ch Czechoslovakia...22 Aug 1955
653Perchik VladimirKhliastikov Georg...20820-146 ≣E20Memorial I.Stepichev
40Szabo Laszlo (HUN)1903Keres Paul (EST)25800-146 ≣E20Tournament (candi...
657Hova Frode (NOR)1734Taksrud Vidar (NOR)20740-146 ≣E20It (open)
52Kopaev Nikolay An...Bonch-Osmolovsky ...0-146 ≣E20Ch URS (1/2 final)
259Lombardy William ...2540Peters John A (USA)24300-146 ≣E20It (open)
473Lalic Susan (ENG)2315Stuart E Leslie (...20380-147 ≣E20It (open)
307Belistri Ubaldo (...2051Vazquez L1-047 ≣E20Ch Uruguay (1/2 f...
306Veenhuijzen RobertVan Der Linden P ...1-047 ≣E20corr.
744Foisor Sabina-Fra...2326Padurariu Ioana-S...22211-047 ≣E20Ch Romania (team)...11 Nov 2006
938Haimovich Tal (ISR)2395Stange Sven (NED)21221-047 ≣E20It (open)09 Aug 2012
497Jetzl Joerg (AUT)2203Farago Ivan (HUN)25150-148 ≣E20It (open)
667Papacek TomasVoboril Pavel (CZE)21050-148 ≣E20Czech League 2002...
691Nowikow Siegfried...2004Juhasz Laszlo (HUN)22110-148 ≣E20It (open)20 May 2004
281Haik Aldo (FRA)2405Murey Jacob (ISR)24290-148 ≣E20It (open)10 Sep 1981
322Ji Yunqi (CHN)2327Huang Zhengyuan (...21970-148 ≣E20Ch China
760Sacchini Marco (ITA)2150Orlov Andrey (RUS)24810-148 ≣E20It (open)14 Jun 2007
466Pribyl Martin (CZE)2390Hosek Milan (CZE)22891-048 ≣E20Czech League 1994...
168Kekki YrjoEriksson Lasse1-048 ≣E20?
859Kotrotsos Vasilio...2355Stavrianakis Ioan...22510-148 ≣E20Ch Greece (team)07 Jul 2010
881Maurer Jochen (GER)2264Scheffknecht Phil...20751-048 ≣E20Bundesliga B West...11 Mar 2011
202Oestreich ReinhardSoelter Reinhold ...20720-149 ≣E20Ch OWL
924Freitas Romeu S (...2242Tsuboi Edson Kenj...23060-149 ≣E20It (open)22 Apr 2012
147Wotulo Max A (INA)2245Momo Suren (MGL)0-149 ≣E20Olympiad
308Thompson (USA)Blomquist Gary1-049 ≣E20Ch USA (corr.)
430Rabara Frantisek ...1940Kalous Miroslav (...20910-149 ≣E20It (open)
468Zaremba Andrie (USA)2348Ward Tom (USA)22650-149 ≣E20n) (b
527Neher MaxMoller Michael Dr...21850-149 ≣E20Bayern Landesliga...
11Stolberg Mark (RUS)Lisitsyn Georgy (...0-149 ≣E20Ch URS
23Beni Alfred (AUT)2210Mueller Hans0-149 ≣E20It
459Geyer UlfBerresheim Helmut...21160-149 ≣E20Ch RLP (juniors) ...
795Shirobokov Roman ...2166Lykov Sergey (RUS)22511-049 ≣E20Memorial V.Emshanov
326Gyorkos Lajos (HUN)2395Barati Laszlo1-049 ≣E20Ch Hungary (open)
367KikrushkinMalikov S0-150 ≣E20Ch Club URS (team...
838Altomonte Giuseppe1773Ielapi Vito (ITA)18290-150 ≣E20It (open) (b)04 Jan 2010
714Bricard Emmanuel ...2474Miezis Normunds (...24701-050 ≣E20It21 Jul 2005
680Muhammad Kamal (MAS)Yeo Min-Yang Evan...22450-150 ≣E20Ch ASEAN (juniors...
935Bosiocic Marin (CRO)2570Fedorchuk Sergey ...26301-050 ≣E20It \21 Jul 2012
730Voss Chantal (GER)1898Rummer Baerbel13120-150 ≣E20Ch Germany (junio...09 Jun 2006
123Mastichiadis Foti...Weichselbaumer Er...0-150 ≣E20Olympiad11 Sep 1956
713Van Elst Andreas ...2282Fedorchuk Sergey ...25640-150 ≣E20It (open)10 Jul 2005
381Birens Eric-Andre...1969Sonntag Hans-Hube...23850-150 ≣E20It (open)
129Shamkovich Leonid...2342Tolush Alexander ...1-050 ≣E20Ch URS (1/2 final)
470Port Hans JuergenWalther Karl Heinz0-150 ≣E20Ch Bahn (team)
97Chistiakov Alexan...Lisitsyn Georgy (...1-051 ≣E20Ch URS (team)
835Sedlak Nikola (SRB)2571Van Hoolandt Patr...22331-051 ≣E20Ch Europe (team)23 Oct 2009
742Brossard Armel (FRA)2183Vallet Marc (FRA)21770-151 ≣E20Ch France (team) ...06 Nov 2006
76Boleslawski ZbigniewGadalinski Jan (POL)0-151 ≣E20Ch Poland11 Oct 1952
77Boleslawski ZbigniewGawlikowski Stani...1-051 ≣E20Ch Poland17 Oct 1952
379Forster Richard (...2456Gabriel Christian...24950-151 ≣E20Ch World (juniors...
313Knoppert Erik G J...2336Riemersma Liafber...24200-151 ≣E20Ch Netherlands (1...
528Gruss SManigk Sebastian ...21511-051 ≣E20Bundesliga (junio...
666Pages Rafart Jord...2120Fluvia Jordi (ESP)23940-151 ≣E20It (open)
223Oliva Lobato Pedr...2162Luckis Marcos22700-151 ≣E20It (open)
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
615Nikolaeva Alexand...2202Dordzhieva Nadezh...20561-052 ≣E20Ch Russia (junior...
854Chen Yun (CHN)2181Li Wenliang (CHN)24410-152 ≣E20Tournament \18 May 2010
755Radjabov Teimour ...2742Anand Viswanathan...28010-153 ≣E20It \18 Mar 2007
555Schmidt Anton (GER)2153Stoer Andreas (GER)21701-053 ≣E20Bayern Landesliga...
140Sumar Julio (PER)2120Del Pozo Nestor1-054 ≣E20It
520Bartl Ulf (GER)2019Oezen Alf18651-054 ≣E20It (open) \
507Kopta Pavel (CZE)2299Jelinek Milan (CZE)20691-054 ≣E20It (open) (junior...
906Ivanov FedorGoryachkin Alexan...20690-154 ≣E20Memorial Ermolaev...10 Aug 2011
358Mustonen VesaWelling Pauli1-054 ≣E20?
469Zawadski Stephane...2181Marciano David (FRA)24550-154 ≣E20Ch France (team)
263Gotzhein HLauer F0-155 ≣E20corr.
886Passeri Marco1521De Carolis Massimo19720-155 ≣E20Tournament (weekend)03 Apr 2011
408Dommes Vladimir M...2293Ivanov Vitaly (RUS)22960-155 ≣E20It (open)