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Nimzo-Indian, Sämisch Variation, Keres Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5

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
703Goudriaan Etienne...2253Zoler Dan (ISR)25090-133E20It (open)28 Jul 2010
733Ding Liren (CHN)2660Zhou Weiqi (CHN)25980-129 ≣A40It (cat.17)18 May 2011
409Bodnar Ovidiu (ROM)2133Zhidkov Valery S ...24000-133 ≣E20It (open) (a)
100Kondratiev Pavel ...Zhdanov Igor1-028 ≣E20Ch URS (team)
99Kondratiev Pavel ...Zhdanov Igor1-030 ≣E20Ch URS (team)
770Galojan Lilit (ARM)2383Zhao Xue (CHN)25410-148 ≣E20Ch World (team) (w)20 Dec 2011
607Fox Pierre (BEL)1835Zenklusen Rico (SUI)24070-125 ≣E20It (open)13 May 2007
780Shyam Sundar M (IND)2462Zemerov Vladimir ...23230-140 ≣E20It (open)01 Feb 2012
427Lazovic Gordan (CRO)2319Zelcic Robert (CRO)25611-027 ≣E20Ch Croatia (team)...
558Cebalo Miso (CRO)2512Zelcic Robert (CRO)25330-149 ≣E20Ch Croatia (team)03 Oct 2005
546Baklanova Tatiana...2247Zdebskaja Natalia...23900-126 ≣E20Ch Ukraine (w)24 May 2005
337Saldano Horacio (...2275Zarnicki Pablo (ARG)24750-121 ≣E20It (open)
383Volkov Sergey Vik...2485Zangiev Pavel (RUS)22701-036 ≣E20It (open)
342Ionescu-Ilie Vior...Zak Uriel (ISR)23700-147 ≣E20It (open)
668Marusenko Petr (UKR)2323Zakhartsov Viache...25410-131 ≣E20It \22 Jul 2009
823Pascua Haridas (PHI)2350Yu Yangyi (CHN)26510-136 ≣E20It (open)11 Oct 2012
447Volkov Sergey Vik...2554Yevseev Denis (RUS)25161-033 ≣E20Ch Russia
717Hughes Tyler B (USA)2266Yang Darwin (USA)24020-131 ≣E20It (cat.10)20 Dec 2010
190Moskalenko Viktor...2435Yakovich Yuri (RUS)24501-031 ≣E20Ch URS
417Volkov Sergey Vik...2605Yakovich Yuri (RUS)25601-026 ≣E20Ch Russia
719Zulfic Fedja (AUS)2081Xie George Wendi ...24400-120 ≣A40It \12 Jan 2011
121Kirsch Michael2200Wostin Rik H (BEL)22500-141 ≣E20Olympiad
43Gulbrandsen A V (...Wostin Rik H (BEL)22501-041 ≣E20Ch World (juniors)
4O'kelly De Galway...2460Wood Gabriel1-028 ≣E20It
24Sanguinetti Raul ...2485Wexler Bernardo (...1-040 ≣E20It
264Kumaran Dharshan ...2505Wells Peter K (ENG)24600-125 ≣E20It (open)
671Wiersma Eelke (NED)2403Wells Peter K (ENG)24981-039 ≣E20Memorial G.Staunt...12 Aug 2009
316Stragmueller Andr...Weiss Christian (...24020-126 ≣E20It (open)
139Butze RolandWeder Erhard1-050 ≣E20corr.
95Walter HFWanke Rudolf1-031 ≣E20corr.
511Arencibia Walter ...2516Wang Hao Yuan (CAN)22691-027 ≣E20It (sheveningen)
720Anand Viswanathan...2817Wang Hao (CHN)27331-033 ≣E20It (cat.20)18 Jan 2011
163Pupols Viktors (USA)2155Wang Arthur D (USA)20901-025 ≣E20It \
110Engel WolfgangWalthemathe A0-121 ≣E20corr.
166Foulds EVWalters0-122 ≣E20Ch Great Britain ...
497Carleton John J (...2284Walsh Chris (WLS)21581-038 ≣E20Ch England (team)...
61Bowen AWWade Robert G (ENG)21481-032E20Ch Great Britain
51Richardson Keith ...2137Wade Robert G (ENG)21480-136 ≣E20Tournament
245Ballon Guenther J...2183Vyzmanavin Alexey...25400-130 ≣E20It (open)
612Hejl Jaroslav (CZE)2076Vyskocil Neklan (...23081-045 ≣E20It (open)30 Jul 2007
363Kos Sebastian (GER)2208Von Gleich Alexan...23400-126 ≣E20Bundesliga (2nd) ...
400Dubinskaya M (UKR)2081Volzhin Alexander...24950-131 ≣E20It (open)
84Gipslis Aivars (LAT)2429Vitolins Alvis (LAT)24351-049 ≣E20Tournament
429Moskalenko Viktor...2471Vilar Lopez Monic...21581-026 ≣E20It (open)
760Gupta Abhijeet (IND)2625Vidit Santosh Guj...25081-041 ≣E20Ch India12 Oct 2011
592La-Manna Francesc...2119Vezzosi Paolo (ITA)23111-021 ≣E20It (open)27 Oct 2006
591Loi Andrea (ITA)2069Vezzosi Paolo (ITA)23110-127 ≣E20It (open)22 Oct 2006
202Roschlau BVerat Laurent (FRA)23381-028 ≣E20It (open)
455Aaltio Erkki (FIN)2133Veingold Aleksand...24570-129 ≣E20It (open)
602Nyback Tomi (FIN)2565Veingold Aleksand...24581-036 ≣E20Ch Finland (team)...10 Mar 2007
608Hohluks Aleksandr...2049Vedrickas Tautvyd...22870-126 ≣E20Cup Baltija (open)20 Jun 2007
449Porras RubenVaras Carlos (CHI)22970-19 ≣E20It (open)
2Landau Salo (POL)Van Scheltinga Th...23250-137 ≣E20Match
673Moroder Stefan2062Van Hoolandt Patr...22330-119 ≣E20It (open)
302Matveeva Svetlana...2425Van Gisbergen Sta...23191-033 ≣E20It (open)
159Botterill George ...2360Van Der Vliet Fre...23951-022 ≣E20It \29 Aug 1981
420Avrukh Boris (ISR)2588Van Der Sterren P...25351-024 ≣E20It (cat.14)
724Van Ketel Raoul (...2286Van Der Auweraert...1-029 ≣E20Memorial Noteboom...05 Mar 2011
499Nguyen Chi-Minh (...2370Van Den Doel Erik...25600-125 ≣E20Ch France (team) ...
144Lempiainen HeimoValo Veikko0-130 ≣E20?
188Moskalenko Viktor...2435Vaiverman1-042 ≣E20Ch URS (qual)
467Utnasunov Alexand...2293Vaingorten Yaqoov...21980-141 ≣E20It (open) \
658Samdanov Samdan (...1989Vafin Ayrat (RUS)20890-134 ≣E20Ch Russia (junior...20 Apr 2009
142Gutman Lev (GER)2450Uusi Gunnar (EST)24101-024 ≣E20?
248Yurtaev Leonid (KGZ)2472Utemov Vladimir (...23851-048 ≣E20Ch URS (club)
774Harstad Christian...1910Urkedal Frode (NOR)24530-141 ≣E20It (active)07 Jan 2012
606Cruz Lledo Pablo ...1945Uribe Arteaga Dan...22600-137 ≣E20It (cat.1)12 Apr 2007
401Galvan Jesus (PER)2226Urday Henry (PER)24450-149 ≣E20Ch Peru
359Etchegaray Patric...2340Urday Henry (PER)24350-143 ≣E20It (open)
76Gheorghiu Florin ...2383Unzicker Wolfgang...24331-036 ≣E20Ch Europe (team)
32KondratievUnzicker Wolfgang...24330-139 ≣E20It
235Shirov Alexei (ESP)2580Unzicker Wolfgang...24751-038 ≣E20It
451Volkov Sergey Vik...2554Ulko Jaroslav (RUS)24560-145 ≣E20Memorial M.Chigor...
254Khenkin Igor (GER)2624Ulibin Mikhail (RUS)24600-139 ≣A40It
735Goudriaan Etienne...2250Uildriks Mark (NED)20230-126E20It (open)04 Jun 2011
156Vallifuoco Giovan...2155Ubezio Marco (ITA)21340-148 ≣E20It (open)
280Dao Thien Hai (VIE)2493Tzoumbas Anastasi...23410-129 ≣E20Ch World (juniors)
564Palliser Richard ...2411Turner Matthew (ENG)24891-047 ≣E20Ch England (team)...15 Jan 2006
746Moskalenko Viktor...2558Trujillo Villega ...21751-033 ≣E20It (open)22 Jul 2011
516Volkov Sergey Vik...2628Trajkovic Predrag...24320-149E20Tournament \
532Gaule Patrick (SUI)2150Trajkovic Predrag...24320-135 ≣E20It (open)
674Rosenthal Joachim...2240Toth Ervin (HUN)23840-128 ≣E20It (open)05 Sep 2009
441Galvan Jesus (PER)2171Torres Jean Pierr...22000-141 ≣E20Ch Peru (regional)
797Aghasaryan Robert...2339Torosyan Norayr (...21371-037 ≣E20Memorial K.Asrian...23 Jun 2012
613Sanchez de Las Ha...Toranzo Fernandez...20090-132 ≣E20It (open)07 Oct 2007
493Hillarp Persson T...2523Topalov Veselin (...27570-146 ≣E20It (active)
88Kort Jacob (NED)2153Tomson J0-119 ≣E20Ch World (students)
481Pomes Marcet Juan...2380Tome Vazquez Osca...20011-031 ≣E20It (open)
219Malaniuk Vladimir...2560Tolnai Tibor (HUN)24701-030 ≣E20It
201Panovic TTodorovic Goran N...23961-013 ≣E20?
665Schroer Marcel (NED)2128Tjiam Dharma (NED)23810-135 ≣E20It (open)30 May 2009
122Pribyl Josef (CZE)2450Timoscenko Gennad...24831-042 ≣E20It
119Bohm Hans (NED)2317Timman Jan H (NED)24800-140 ≣A17Ch Netherlands
154Halldorsson Bragi...2198Thorsteinsson Bjo...22141-032 ≣E20Ch Iceland
387Asgeirsson Heimir...2185Thorfinnsson Brag...21551-044 ≣E20It (open)
209Giulian Philip M ...2294Thomson Craig S M...22930-127 ≣E20Ch West Scotland
20Szabo Laszlo (HUN)1903Teschner Rudolf (...22951-041 ≣E20Zt
55Aaron Manuel (IND)2315Teschner Rudolf (...22950-137 ≣E20Izt
31Polugaevsky Lev A...2585Teschner Rudolf (...22951-038 ≣E20Match \
250Safin Shukhrat (UZB)2472Teplitsky Yan (CAN)24481-022 ≣E20Ch Uzbekistan