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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
876Zulfic Fedja (AUS)2081Smith Robert W (NZL)22751-043 ≣E20Zt
828Zielinski Wojciec...1973Rybak Tomasz (POL)22480-136 ≣E20It (open)19 Jul 2009
818Zhmailo Yana (RUS)1746Grigorian Alvina ...1-044 ≣E20Ch Russia (junior...20 Apr 2009
887Zhao Jun (CHN)2587Xiu Deshun (CHN)25401-031 ≣E20Ch China08 Apr 2011
469Zawadski Stephane...2181Marciano David (FRA)24550-154 ≣E20Ch France (team)
841Zavadil Michal (CZE)2084Goth Jiri21281-084 ≣E20Czech League 2009...17 Jan 2010
889Zavadil Michal (CZE)2124Hrdina Robin (CZE)20501-029 ≣E20It \23 Apr 2011
468Zaremba Andrie (USA)2348Ward Tom (USA)22650-149 ≣E20n) (b
510Zaks JVatnikov Josif E ...23400-139 ≣E20It \
295Yudasin Leonid (ISR)2470Vilela Jose Luis ...24151-029 ≣E20It (cat.8)
772Yezhel ValiantsinMoradi Amir Masoud0-157 ≣E20Ch World (juniors...25 Nov 2007
736Yermishin Viktor ...2410Lao Lenath (FRA)19561-019 ≣E20Memorial Georgiev...05 Sep 2006
147Wotulo Max A (INA)2245Momo Suren (MGL)0-149 ≣E20Olympiad
767Wohlers-Armas Fri...2141Collas Silvia (FRA)24080-133 ≣E20Ch France (w)15 Aug 2007
338Wohlers-Armas Fri...2050Borisova Borislav...20891-021 ≣E20?
858Wohlers-Armas Fri...2011Guichard Pauline ...22930-132 ≣E20Cup France (w)27 Jun 2010
628Wohlers-Armas Fri...2193Kolbe Jana (GER)20481-034 ≣E20Bundesliga (2nd) ...
365Wohlers-Armas Fri...2145Podrazhanskaya Ol...20680-143 ≣E20Zt (w)
64Wise TNewman RH18151-024 ≣E20Ch Great Britain
312WinklerGlasewald Stefan ...20791-043 ≣E20corr.
690Willinger TimO'Reilly Gerard0-168 ≣E20It (open)24 Apr 2004
901Williams Ron (WLS)1819Dodington Russell H1-029 ≣E20It \12 Jul 2011
827Williams Ron (WLS)1944Wills Alex1-033 ≣E20It (open)14 Jul 2009
334Wildi Marcel (SUI)2261Tatai Stefano (ITA)23670-140 ≣E20It
252Wiedenhoft LNeckel O1-055 ≣E20corr.
446Werner MariaPluemer Detlef (GER)21960-140 ≣E20Oberliga Northeas...
268Weber Robert1Gerusel Mathias (...24251-064 ≣E20It
403Wallace John Paul...2398Kagan Naum (AUS)22130-160 ≣E20It
288Vyzmanavin Alexey...2540Chernin Alexander...24751-042 ≣E20Ch URS
287Vyzmanavin Alexey...2540Beliavsky Alexand...26001-042 ≣E20Ch URS
273Vukosavljevic Lju...2195Stempin Pawel (POL)23620-132 ≣E20It
740Vrettos Vasilios ...2018Girvalakis Spyrid...21300-127 ≣E20It (open) \14 Oct 2006
730Voss Chantal (GER)1898Rummer Baerbel13120-150 ≣E20Ch Germany (junio...09 Jun 2006
315Voigt Martin (GER)2364Pohl Walter (GER)21231-037 ≣E20corr.
817Vlasova Darja (RUS)Severina Maria (RUS)19810-131 ≣E20Ch Russia (junior...15 Apr 2009
917Vlasova Daria (RUS)1849Belova Olga (RUS)20161-044 ≣E20It (open) (w)05 Feb 2012
130Vladimirov Boris ...2340Gipslis Aivars (LAT)24290-128 ≣E20Ch URS (1/2 final)
149Vladimirov Boris ...2340Shamkovich Leonid...23420-125 ≣E20Ch URS
106Vladimirov Boris ...2340Kholmov Ratmir D ...24320-141 ≣E20Ch URS (1/2 final)
620Viniarski Alex (AUS)Oliver Gareth (AUS)21640-115 ≣E20Ch Australia (jun...
396Vigh Bela (HUN)2349Blasovszky Istvan...21101-034 ≣E20Cup Donau (open)
484Vigh Bela (HUN)2355Polak Tomas (CZE)24500-129 ≣E20It (open)
550Vigh Bela (HUN)2385Hallossy Tibor (HUN)21391-040 ≣E20It (cat.3)
438Vigh Bela (HUN)2405Rozsnyai Tibor (HUN)20611-030 ≣E20It (open)
386Vigh Bela (HUN)2349Pieper-Emden Cars...22801-062 ≣E20It \
237Venalainen Unto E...2350Day Lawrence A (CAN)23301-019 ≣E20?
850Veleski Robert (MKD)2282Cioara Andrei Nes...24260-143 ≣E20It (open) \21 Apr 2010
234Vehreschild HScheffer G1-023 ≣E20corr.
531Vegh Endre (HUN)2350Hoang Thanh Trang...23501-059 ≣E20Ch Hungary (team)...
306Veenhuijzen RobertVan Der Linden P ...1-047 ≣E20corr.
915Vebel Goran (SRB)2123Mladenovic Stefan...21810-126 ≣E20Ch City (open)22 Jan 2012
454Vasquez Goncalo1950Weill Roland (FRA)22050-135 ≣E20It (open)
894Van Vliet Dennis ...2101Feys Bert (BEL)20331-026 ≣E20Ch Flanders04 Jun 2011
41Van't Veer PBarda Olaf (NOR)0-145 ≣E20Ch World (corr.)
710Van Elst Andreas ...2282Charnushevich Ale...25210-129 ≣E20Ch France (team) ...08 May 2005
754Van Elst Andreas ...2350Ducret Thomas (FRA)22251-055 ≣E20Ch France (team) ...21 Jan 2007
713Van Elst Andreas ...2282Fedorchuk Sergey ...25640-150 ≣E20It (open)10 Jul 2005
262Vaisanen VeikkoHonkaniemi Raimo1-037 ≣E20?
189Vadasz Laszlo (HUN)2271Liljedahl Lennart...22821-045 ≣E20Ch Europe (junior...
51Udovcic Mijo (YUG)2460Puc Stojan (SLO)22550-139E20Ch Yugoslavia
552Tschann Stephan (...2211Stockmann Michael...22840-130 ≣E20Ch City
160Trapl Jindrich (CZE)2336Tolush Alexander ...1-024 ≣E20Ch Europe (team)
156Trapl Jindrich (CZE)2336Marsalek Josef (CZE)20711-025 ≣E20Ch Czechoslovakia
54Tramoyeres PEnevoldsen Jens (...23500-174 ≣E20It
432Tourneur Jean-Fra...2223Solozhenkin Evgen...24890-127 ≣E20It (open)
266Toth Bela (ITA)2345Olivotto Roberto1-031 ≣E20Ch Italy
270Toth Bela (ITA)2345Tatai Stefano (ITA)23670-129 ≣E20It (a)
145Toran Albero Roma...2445De Lange Daan1-030 ≣E20Olympiad
146Toran Albero Roma...2445O'Hare E1-031 ≣E20Olympiad
683Toporov Victor (RUS)2107Part Fedor (RUS)19511-033 ≣E20It \
216Tomic Dragoslav (...2125Szabo Laszlo (HUN)19030-140 ≣E20It
398Tihonov Jurij (BLR)2448Tzoumbas Anastasi...23411-023 ≣E20Ch World (juniors...
517Thuemmler Manfred...2034Thal Olaf (GER)22951-040 ≣E20It (open)
444Thron CarstenHelms Sven (GER)20600-144 ≣E20Ch JBLN East 1993/94
308Thompson (USA)Blomquist Gary1-049 ≣E20Ch USA (corr.)
782Temirov B (KAZ)2278Dzhangabylov Bakhyt1-045 ≣E20Ch Kazakhstan (ju...27 Mar 2008
461Tejero Royo Fermi...2100Lerch Gallemi Jos...22240-130 ≣E20Ch Catalunia
194Tate LSLudgate Alan (IRL)22650-136 ≣E20Ch Great Britain ...
635Tan Kenneth (SIN)2123Aizuddin Che Hassan1-040 ≣E20It (open)
155Taieb AKuijpers Frans A ...22800-136 ≣E20Olympiad (student...
521Taggatz Mario (GER)2303Ankerst Mihael (SLO)23501-039 ≣E20It (open) (a)
547Taggatz Mario (GER)2303Illijin Neboisa (...22601-041 ≣E20It (open)
310Tacu Victor-Mihai...2173Sutton0-132 ≣E20Europe Tournament...
112Szapiro GSolecki Zbigniew1-018 ≣E20Ch Poland
561Szafranski Michal...2127Dobrogost Wojciec...20981-025 ≣E20Ch Milanowek
81Szabo Laszlo (HUN)1903Sliwa Bogdan (POL)22350-143 ≣E20It
40Szabo Laszlo (HUN)1903Keres Paul (EST)25800-146 ≣E20Tournament (candi...
192Szabo Laszlo (HUN)1903Ortega Ruiz Jose ...22661-041 ≣E20Olympiad
50Szabo Laszlo (HUN)1903Laszlo C (HUN)1-029 ≣E20Ch Hungary
253Swindell LMartz William R0-142 ≣E20It \
925Sutkovic Damir (BIH)2339Smith Bryan G (USA)24500-152 ≣E20It (open)06 May 2012
140Sumar Julio (PER)2120Del Pozo Nestor1-054 ≣E20It
529Sull Gyula (HUN)2059Pribula Nandor (HUN)19661-029 ≣E20It (open) \
455Suarez Soria CEhlvest Jaan (USA)26000-127 ≣E20It (open)
11Stolberg Mark (RUS)Lisitsyn Georgy (...0-149 ≣E20Ch URS
565Stodolova Kristyn...1980Pecinova Magda1-064 ≣E20Ch Czech Republic...
222Steudtmann Christ...2268Koehler Gerhard (...21431-032 ≣E20It (open)
756Steinmacher Josef...2067Zuelle Bruno (SUI)21401-041 ≣E20Ch Baden (b)06 Apr 2007
544Stefanek Piotr (POL)2182Kollarik Gorazd (...18731-035 ≣E20Ch Slovakia (team...
242Starck Bodo (GER)2248Broberg Horst (GER)20910-159 ≣E20Ch DDR