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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
792Zulfic Fedja (AUS)2103Farago Ivan (HUN)24970-131 ≣E20It (open)05 Apr 2012
719Zulfic Fedja (AUS)2081Xie George Wendi ...24400-120 ≣A40It \12 Jan 2011
681Zorko Jure (SLO)2402Grosar Aljosa (SLO)24161-038 ≣E20Ch Slovenia (team)12 Dec 2009
726Zivanic Marko (SRB)2479Panchanathan Mage...25861-022 ≣E20It (sheveningen) \13 Mar 2011
651Zentai Peter (HUN)2219Antos Zoltan (HUN)20871-028 ≣E20Memorial Bela Per...15 Jan 2009
800Zarate Fernandoh ...1768De Carvalho Igor ...18651-044 ≣E20Ch Pan-American (...03 Jul 2012
403Yurtaev Leonid (KGZ)2520Kochyev Alexander...24301-046 ≣E20Memorial M.Chigorin
213Yurtaev Leonid (KGZ)2510Makarichev Sergey...25101-026 ≣E20It
248Yurtaev Leonid (KGZ)2472Utemov Vladimir (...23851-048 ≣E20Ch URS (club)
600Yudkevich Mikhail...2157Reshetnikov Alexe...23880-128 ≣E20Ch Moscow (1/2 fi...
786Yudkevich Mikhail...2200Demianjuk Alexand...23131-031 ≣E20Ch Moscow (1/2 fi...05 Mar 2012
677Yudkevich Mikhail...2159Gousseinov Aguif ...20211-024 ≣E20It \20 Oct 2009
757Yudin Ivan (RUS)2319Draskovic Luka (MNE)21351-045 ≣E20Ch Europe (junior...14 Sep 2011
180Yrjola Jouni (FIN)2430Rantanen Yrjo A (...24101-044 ≣E20It
178Ylisela JuhaniPalenius Jarmo1-022 ≣E20Ch Finland (team)
346Yakovich Yuri (RUS)2515Littke Adam (CAN)22900-140 ≣E20It \
224Yakovich Yuri (RUS)2450Kharitonov Andrei...25201-024 ≣E20Tournament (swiss)
340Yakovich Yuri (RUS)2515Pushkov Nikolai (...24851-042 ≣E20Ch Russia
329Yakovich Yuri (RUS)2525Jussupow Artur (GER)26300-136 ≣E20It (active)
350Yakovich Yuri (RUS)2515Montecatine Rios ...23611-047 ≣E20It (open)
270Yakovich Yuri (RUS)2560Serper Grigory (USA)24901-028 ≣E20Ch URS (swiss)
348Wojnar MGalkiewicz Darius...22221-028 ≣E20corr.
215Woestmann Hans Jo...Spenner Frank1-032 ≣E20Regionalliga NordS
714Wiersma Eelke (NED)2419Postny Evgeny (ISR)25950-126 ≣E20Cup European Club21 Oct 2010
671Wiersma Eelke (NED)2403Wells Peter K (ENG)24981-039 ≣E20Memorial G.Staunt...12 Aug 2009
637Wiersma Eelke (NED)2414De Groote Ewoud (...22081-050 ≣E20Ch Netherlands (o...25 Jul 2008
633Wiedermann Daniel...2161Genser Harald (AUT)23151-038 ≣E20Ch Austria19 Jul 2008
268Wells Peter K (ENG)2460Suba Mihai (ROM)25400-137 ≣E20It (cat.11)
287Wells Peter K (ENG)2497Grosar Aljosa (SLO)24151-036 ≣E20It (open)
160Welling Gerard (NED)2322Brusila1-035E20Memorial Heilimo ...
47Weise DietrichLengyel Levente (...22930-144 ≣E20Ch Europe (team)
38Weise DietrichClemens Christian...23140-148 ≣E20Ch BRD
26Weinstein Raymond...Denker Arnold S (...22931-041 ≣E20Ch USA
95Walter HFWanke Rudolf1-031 ≣E20corr.
173Wallinger Manfred...2150Hofstetter Hans-J...22340-128 ≣E20Ch Bayern (b)
59Wade Robert G (ENG)2148Ortega Lexy (ITA)24750-137 ≣E20Olympiad
58Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
56Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
371Vulfson Vladimir ...2435Ionov Sergey (RUS)25250-129 ≣E20It (open)
605Vukovic Momcilo (...2136Pantovic Dragan M...21371-027 ≣E20It (open)02 Apr 2007
655Vujovic Veselin (...2028Simeonidis Ioanni...22660-131 ≣E20Ch Europe12 Mar 2009
447Volkov Sergey Vik...2554Yevseev Denis (RUS)25161-033 ≣E20Ch Russia
439Volkov Sergey Vik...2554Sakaev Konstantin...26271-036 ≣E20Ch World FIDE (KO...
414Volkov Sergey Vik...2605Obukhov Alexander...24351-023 ≣E20Cup Russia (open)
702Volkov Sergey Vik...2595De-Lisa Carmine (...17361-032 ≣E20It (open)22 Jul 2010
451Volkov Sergey Vik...2554Ulko Jaroslav (RUS)24560-145 ≣E20Memorial M.Chigor...
383Volkov Sergey Vik...2485Zangiev Pavel (RUS)22701-036 ≣E20It (open)
478Volkov Sergey Vik...2624Istratescu Andrei...25931-045 ≣E20It (open)
763Volkov Sergey Vik...2614Stockmann Michael...22841-038 ≣E20It (open)
516Volkov Sergey Vik...2628Trajkovic Predrag...24320-149E20Tournament \
750Volkov Sergey Vik...2614Bruzon Lazaro (CUB)26820-140 ≣E20It (open)08 Aug 2011
565Volkov Sergey Vik...2628Georgiev Kiril (MKD)26800-138 ≣E20It (open) \01 Feb 2006
521Volkov Sergey Vik...2628Jeremic Veljko (SRB)25290-133 ≣E20It (open)
417Volkov Sergey Vik...2605Yakovich Yuri (RUS)25601-026 ≣E20Ch Russia
756Volkov Sergey Vik...2607Naumkin Igor (RUS)24861-039 ≣E20It (open)13 Sep 2011
421Volkov Sergey Vik...2575Macieja Bartlomie...25421-033 ≣E20Ch Europe (team)
530Volkov Sergey Vik...2628Jaracz Pawel (POL)25311-048 ≣E20It (open)06 Nov 2004
321Vogel Joerg (GER)2047Baumer F1-045 ≣E20Ch Saarland (MV)
145Vladimirov Boris ...2340Gerasimov Nikolay...20921-021 ≣E20Tournament
91Vladimirov Boris ...2340Arulaid Alexander...1-031 ≣E20It \
146Vladimirov Boris ...2340Gerasimov N (RUS)23551-021 ≣E20?
89Vladimirov Boris ...2340Szabo Laszlo (HUN)19031-021 ≣E20It
39Vladimirov Boris ...2340Lein Anatoly (USA)22611-033 ≣E20Ch URS
97Vitolins Alvis (LAT)2435Gerasimov N (RUS)23550-121 ≣E20Ch Armed Forces
632Vincenti David2482Brunello Sabino (...24551-031 ≣E20Ch Scotland06 Jul 2008
676Villegas Pierre (...2202Dobrev Nanko (BUL)23520-128 ≣E20Ch France (team) ...04 Oct 2009
36Vesely Jaromir (CZE)1979Florian Jaromir (...0-128 ≣E20Ch Czechoslovakia
648Veltkamp Gerben (...2221Roeder Mathias (GER)24320-141 ≣E20Ch Belgium (team)...07 Dec 2008
49Velimirovic Drago...2407Ankerst Marjan (SLO)22101-041 ≣A17Cup Yugoslavia
265Varga Peter (HUN)2418Ersek Erno (HUN)21981-040 ≣E20Ch Hungary (team)
207Varga Mariano (ARG)2143Escandell Juan C ...22760-145 ≣E20corr.
798Van Vliet Dennis ...2077Furman Boris (RUS)22850-132 ≣E20It (open)24 Jun 2012
357Van Ketel Raoul (...2286Berend Fred (LUX)24150-131 ≣E20It (open)
724Van Ketel Raoul (...2286Van Der Auweraert...1-029 ≣E20Memorial Noteboom...05 Mar 2011
764Vanek Ladislav (CZE)2199Mojzis Jaroslav (...22191-027 ≣E20Ch Czech Republic...13 Nov 2011
330Van Eaton JasonKleist Frederick ...21040-134 ≣E20It (2)
751Van De Plassche B...2427Sprenger Jan Mich...25151-027 ≣E20It (open)21 Aug 2011
156Vallifuoco Giovan...2155Ubezio Marco (ITA)21340-148 ≣E20It (open)
467Utnasunov Alexand...2293Vaingorten Yaqoov...21980-141 ≣E20It (open) \
596Uljanova Nadezhda2021Glazunov Vladimir1-043 ≣E20Tournament (open)21 Dec 2006
472Ulibin Mikhail (RUS)2581Pikula Dejan (SRB)24841-037 ≣E20It (open)
454Ulibin Mikhail (RUS)2583Quinn Mark (IRL)23811-031 ≣E20It (open)
525Ulibin Mikhail (RUS)2556Cherniaev Alexand...22650-137 ≣E20It (open)21 Jul 2004
445Ulibin Mikhail (RUS)2583Hulak Krunoslav (...25101-038 ≣E20Ch Croatia (team)...
690Ulibin Mikhail (RUS)2544Saric Ante (CRO)24721-039 ≣E20It (open)04 Mar 2010
701Ulibin Mikhail (RUS)2544Bentefrit Samir (...21991-022 ≣E20It (open)26 Jun 2010
509Ulibin Mikhail (RUS)2556Barkhagen Jonas (...24610-135 ≣E20Cup Rilton
155Uimonen Matti (FIN)2098Haggren Stig-Olof...20090-136 ≣E20?
679Ubiennykh Ekateri...2270Pavlov Oleg (RUS)23141-030 ≣E20Tournament (Elo)
463Tyomkin Dimitri (...2497Christiansen Larr...25701-027 ≣A40Tournament
579Toth Ervin (HUN)2331Banusz Tamas (HUN)24501-037 ≣E20Ch Europe (team) ...14 Jul 2006
615Toth Ervin (HUN)2348Ignacz Maria (HUN)22231-046 ≣E20It (cat.1)10 Oct 2007
601Toth Ervin (HUN)2348Caruana Fabiano (...25940-149 ≣E20It (cat.8)07 Mar 2007
819Toth Ervin (HUN)2477Battey Alexander ...23961-037 ≣E20It (cat.8)01 Sep 2012
134Toliusis LBoness A1-029 ≣E20World Tournament ...
549Tkachenko Evgeniy...2237Lanin Alexsej (RUS)24250-135 ≣E20Spartakiada Russi...27 Jun 2005
226Tisdall Jonathan ...2465Bjarnason Saevar ...21291-030 ≣E20It (cat.9)
813Timofeev Artyom (...2641Nukin Ashat (KAZ)23471-038 ≣E20Memorial Izmailov...11 Aug 2012
299Tiihonen IlpoKansanniva Markku0-124 ≣E20Ch Finland (corr.)
298Tiihonen IlpoKansanniva Markku0-124 ≣E20?