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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
183Szabo Laszlo (HUN)1903Zuidema Coen (NED)24501-039 ≣A17It (a)
756Steinmacher Josef...2067Zuelle Bruno (SUI)21401-041 ≣E20Ch Baden (b)06 Apr 2007
343Nagar AZuelle Bruno (SUI)20781-033 ≣A40It (open)
796Praszak Michal (POL)2216Zmarzly Aleksandr...19321-035 ≣E41It (open) (a)21 Aug 2008
622Kaminik Aleksanda...2245Zimmermann Ralf (...21011-029 ≣E20It (open)
639Kaminik Aleksanda...2245Zifroni Dov (ISR)25480-140 ≣E20Memorial V.Liberz...
523Liardet Fabrice (...2380Zhu Chen (QAT)25151-041 ≣E20It (open)
478Lancz Ondrej (SVK)2099Zhidkov Valery S ...23250-136 ≣E41It (open)
172Engerer HansZeitler Hans-Juer...19621-019 ≣E20It (open)
617Boteanu Jean (ROM)2105Zarnescu Marius (...18440-136 ≣E20Ch Romania (1/2 f...
673Mafra Kaiser Luiz...2140Zambrana Oswaldo ...24720-125 ≣E20Cup Itau (open)
58Brunet PhilipZalys Ignas0-160 ≣E41Match
261Rastenis Gedimina...2333Zaichik Gennadi (...24570-126 ≣E41Ch URS (young mas...
532Dang V Dung (VIE)2138Zagrebelny Sergey...24750-130 ≣E20Ch World Cities
458Henderson HYu Peter (USA)22470-156 ≣E20Memorial Colias (...
680Muhammad Kamal (MAS)Yeo Min-Yang Evan...22450-150 ≣E20Ch ASEAN (juniors...
700Tregubov Vadim (UKR)2390Yaremko Nazar (UKR)22030-140 ≣E41Ch Ukraine (junio...
887Zhao Jun (CHN)2587Xiu Deshun (CHN)25401-031 ≣E20Ch China08 Apr 2011
785Blok Michiel (NED)2212Wustefeld Emile (...22320-158 ≣E20It (open)11 May 2008
143Maska JWolff H20001-039 ≣E20Europe Tournament...
556Luz SiegfriedWingender Hans Peter0-160 ≣E20Verbandsliga Nort...
415Loehr GernotWingender Hans Peter1-040 ≣E20Verbandsliga Nort...
485Howard MIWilson Manzo1-031 ≣A40It (open)
827Williams Ron (WLS)1944Wills Alex1-033 ≣E20It (open)14 Jul 2009
842Iglesias Joachim ...2244Wiley Tom E (ENG)22981-034 ≣E20It (cat.5)26 Feb 2010
286SchreiberWicklund Hansen G...1-025 ≣E20corr.
358Mustonen VesaWelling Pauli1-054 ≣E20?
339Kekki Petri (FIN)2335Welin Thomas (SWE)23750-116 ≣E41It (open)
557Novikov Georgy (RUS)Welin Mats (SWE)22510-129 ≣E20It (open)
141Lehmann Heinz G (...2285Weise Dietrich1-041 ≣E20Ch BRD
454Vasquez Goncalo1950Weill Roland (FRA)22050-135 ≣E20It (open)
293Schuster GuenterWeiler Wolfgang (...21191-019 ≣E20Ch Baden (HT)
519Jugow Alexander (...2230Weiler Ludwig20951-038 ≣E41Ch Hessen (seniors)
297Popp Klaus2200Weigel Herbert (GER)21181-031 ≣E41Ch Mittelfranken
123Mastichiadis Foti...Weichselbaumer Er...0-150 ≣E20Olympiad11 Sep 1956
490Buettner Ulrich (...1969Weclawski Doris (...21050-124 ≣E20It (w)
468Zaremba Andrie (USA)2348Ward Tom (USA)22650-149 ≣E20n) (b
435Port Hans JuergenWalther Karl Heinz1-045 ≣E20Ch Bahn (H)
470Port Hans JuergenWalther Karl Heinz0-150 ≣E20Ch Bahn (team)
369Santos Carlos P (...2404Walsh Chris (WLS)21580-124 ≣E20Ch World (juniors...
591Mohamad JamalVujovic Milorad (...22580-142 ≣E20It (open)
572Bank Friis Carste...2269Vovk Oksana (DEN)20751-024 ≣E41Ch Denmark (cand.)
667Papacek TomasVoboril Pavel (CZE)21050-148 ≣E20Czech League 2002...
151Gasztonyi Endre (...2295Vladimirov Boris ...23400-135E41Match \
258Koskinen Erkki (FIN)1952Virtanen Matti1-044 ≣E20?
295Yudasin Leonid (ISR)2470Vilela Jose Luis ...24151-029 ≣E20It (cat.8)
474Kuta MiroslavVesely Roman1-043 ≣E20It (open)
576Sipka Zoltan (HUN)1908Vereb Andras (HUN)20860-122 ≣E20It (open)
305Lopez Pereyra Ant...2148Velasco Gutierrez...20641-015 ≣A17Match (active)
353Negro Roberto1900Vehi Bach Victor ...23851-029 ≣E20It (open)
307Belistri Ubaldo (...2051Vazquez L1-047 ≣E20Ch Uruguay (1/2 f...
645Sanchez Rodenas A...1769Vayser Vladimir (...0-135 ≣E20Memorial Shumov (...
510Zaks JVatnikov Josif E ...23400-139 ≣E20It \
8Gotthilf SVasiliev (RUS)0-149 ≣E41Ch \
803Li Ruofan (SIN)2426Vasilevich Tatjan...23680-112 ≣E41World Mindsports ...08 Oct 2008
477Kojetsky Pavel (CZE)2114Vasek Dalibor (CZE)1-019 ≣E20Ch Moravia (open)
56Rossetto Hector (...2285Vasconcellos Fern...1-042 ≣E20Zt
87Fragoso DarcyVasconcellos Fern...0-158 ≣E20Ch Brazil
327Kovacs Istvan (HUN)2200Vargyas Zoltan (HUN)21020-132 ≣E20Ch Hungary (open)
99Lloyd Ken2200Van Hoorne1-047 ≣E41Ch World (juniors...
835Sedlak Nikola (SRB)2571Van Hoolandt Patr...22331-051 ≣E20Ch Europe (team)23 Oct 2009
616Petritaj Ferdinan...2194Van Hoolandt Patr...21691-028 ≣E41It (open)
390Chapman RogerVan Dijk Timon (NED)22330-125 ≣E20corr.
279Haik Aldo (FRA)2405Van Der Wiel John...24700-169 ≣E20It (b)
306Veenhuijzen RobertVan Der Linden P ...1-047 ≣E20corr.
19Pruyt PHVan Den Berg Care...24100-140 ≣A17Ch Netherlands (1...
37Spanjaard EduardVan Den Berg Care...24100-118 ≣E20Ch Netherlands
742Brossard Armel (FRA)2183Vallet Marc (FRA)21770-151 ≣E20Ch France (team) ...06 Nov 2006
453AkopianUtemov Vladimir (...23850-129 ≣E41It (open)
384Lim Kok Ann Dr (SIN)2038Usachyi Mark (UKR)21960-162 ≣E20Ch World (seniors)
133Shianovsky Vladis...2255Usachyi Mark (UKR)21961-040 ≣E20Ch Kiev
431Boudin NUlveling Jacques ...21610-151 ≣A17It (open)
661Nuber Blasius (GER)2303Ulmer Micha (GER)19591-072 ≣E41Ch Germany (junio...
235Shereshevski Mikh...2475Ubilava Elizbar (...25271-040 ≣E41Ch URS (young mas...
398Tihonov Jurij (BLR)2448Tzoumbas Anastasi...23411-023 ≣E20Ch World (juniors...
794Kirillov Nikolay ...2019Tyutyunnikov Kiri...19471-081 ≣A17Tournament (open)26 Jul 2008
421Siciarz JTustanowski Rober...22740-136 ≣E41Ch Poland (corr.)
837Kravchuk OlegTunik Sergey (RUS)18971-033 ≣E20Ch Region30 Oct 2009
682Santos Marcus Vin...2334Tsuboi Edson Kenj...23870-167 ≣E41It (cat.3)
770Name Gabriel (BRA)2241Tsuboi Edson Kenj...23340-141 ≣E41It (open)17 Nov 2007
924Freitas Romeu S (...2242Tsuboi Edson Kenj...23060-149 ≣E20It (open)22 Apr 2012
699Santos Marcus Vin...2334Tsuboi Edson Kenj...23871-059 ≣E41It (cat.5)17 Oct 2004
378Borulya Ekaterina...2308Tsiganova Monika ...21730-145 ≣E41Ch URS (w)
936Saric Sinisa (SRB)2462Tsakiris Haralamb...22001-046 ≣A40It (open)29 Jul 2012
167Kristinsson (ISL)Tsagan T (MNG)1-038 ≣E20Olympiad
734Pham Nguyen Hoang...Truong Bao Thach ...0-143 ≣E20Ch Vietnam (junio...18 Jul 2006
810Altomonte Giuseppe1743Tricomi Massimo (...18751-037 ≣E20It (open) (b)04 Jan 2009
878Schwarz Dusan (SVK)2286Travenec Igor (SVK)21961-060 ≣E20Ch Slovakia (team...13 Feb 2011
762Huynh Lam Binh Ng...2021Tran Quang Khai (...20251-035 ≣E41Ch Vietnam (junio...07 Jul 2007
71Rabar Braslav (YUG)Toth Vince (HUN)1-045 ≣E41It
122Rossetto Hector (...2285Toth Vano P17701-037 ≣E20It
722Orsi Matteo (ITA)1877Torrione William ...18831-026 ≣E41It (open) (b)30 Oct 2005
160Trapl Jindrich (CZE)2336Tolush Alexander ...1-024 ≣E20Ch Europe (team)
129Shamkovich Leonid...2342Tolush Alexander ...1-050 ≣E20Ch URS (1/2 final)
401Birens Eric-Andre...1969Tjiam Dharma (NED)23820-159 ≣E20It (open)
383Winiwarter Felix ...2176Titz Heimo (AUT)22021-062 ≣E41Staatsliga
513Dreyer Martin (NZL)2310Tissir Mohamed (MAR)24540-124 ≣E41Olympiad
784Vrajitoru Vlad-La...653Tiron Lucian-Ilie5510-124 ≣E41Ch Romania (juniors)14 Apr 2008
786Hasanova Turkan (...1897Timman Jan H (NED)25800-143 ≣E41Cup President13 May 2008
872Burcu Cagatay (TUR)1878Tilicheev Viaches...23430-136 ≣E20Olympiad (under 16)27 Nov 2010