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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
567Hubmann Guenter (...2104Reyes-Acevedo Ism...20520-137 ≣E20It (open) (b)
225Huelsmann Josef (...2214Nippgen Georg (GER)22341-029 ≣E20Tournament
579Huennekes Theo (GER)2152Thiel Kuno (GER)23010-141 ≣E20It (open)
62Huguet HGaribaldi Oscar (...1-020 ≣E20Ch Argentina
63Huguet HLuckis Marcos22701-031 ≣E20Ch Argentina
809Iglesias Joachim ...2178Riff Jean-Noel (FRA)25121-033 ≣E20It (open)26 Dec 2008
842Iglesias Joachim ...2244Wiley Tom E (ENG)22981-034 ≣E20It (cat.5)26 Feb 2010
480Ilham Abd Hamid (...Ooi Chern Ee (MAS)22200-123 ≣E20Ch Asia (team)
159Iljinsky Yaroslav...2270Seoev Robert (TKM)22211-045 ≣E20Ch URS (1/2 final)
158Iljinsky Yaroslav...2270Rosenfeld Isai K0-166 ≣E20Ch URS (1/2 final)
906Ivanov FedorGoryachkin Alexan...20690-154 ≣E20Memorial Ermolaev...10 Aug 2011
409Jansson Anders O ...2106Jagerflod Kent (SWE)19780-157 ≣E20Ch Sweden (corr.)
497Jetzl Joerg (AUT)2203Farago Ivan (HUN)25150-148 ≣E20It (open)
489Jetzl Joerg (AUT)2203Prudhomme Franck ...21371-028 ≣E20It (open)
322Ji Yunqi (CHN)2327Huang Zhengyuan (...21970-148 ≣E20Ch China
873Jobava Baadur (GEO)2710Shimanov Aleksand...25121-036 ≣E20Ch Europe (active)19 Dec 2010
166Johannessen Svein...2273Filipov F (BUL)1-041 ≣E20Olympiad
792Johansson Alexand...2022Blomqvist Erik (SWE)24180-123 ≣E20Ch Sweden (juniors)11 Jul 2008
495Jugow Alexander (...2152Rosen Willy (GER)22701-035 ≣E20Ch Germany (senio...
126KabanovBoleslavsky Isaak...0-134 ≣E20Ch Belarus
244Kaltofen HSchwanfelder Martin1-022 ≣E20corr.
424Kaminik Aleksanda...2200Port Hans Juergen1-032 ≣E20Ch Bahn (G)
650Kaminik Aleksanda...2266Postny Evgeny (ISR)24940-157 ≣E20Ch Israel (team)
193Kaminik Aleksanda...2168Shmit Anatoly (LAT)22000-132 ≣E20Ch URS (team)
649Kaminik Aleksanda...2266Manor Ilan (ISR)24830-137 ≣E20Ch Israel (team)
573Kaminik Aleksanda...2179Ibragimov Ildar (...25540-140 ≣E20It (open)
639Kaminik Aleksanda...2245Zifroni Dov (ISR)25480-140 ≣E20Memorial V.Liberz...
651Kaminik Aleksanda...2266Ruderfer Mark B (...23440-134 ≣E20Ch Israel (team)
622Kaminik Aleksanda...2245Zimmermann Ralf (...21011-029 ≣E20It (open)
737Kaminik Aleksanda...2251Cebalo Miso (CRO)24890-138 ≣E20Ch World (seniors)12 Sep 2006
80Kan Ilya A (RUS)Botvinnik Mikhail...23070-136 ≣E20Match (training)
728Karayiannis Costa...2166Low Ying-Min (SIN)19751-031 ≣E20It (open)16 Apr 2006
752Karmanov Sergei (...2075Dzhumagaliev Yan ...22520-133 ≣E20Ch Chess Club17 Jan 2007
589Karner Christoph ...2181Medvegy Zoltan (HUN)23970-125 ≣E20Ch Europe (junior...
284Karpeshov Oleg (RUS)2384Ehlvest Jaan (USA)24801-040 ≣E20Ch URS (1/2 final)
337Karsa Laszlo (HUN)2346Callergard Robert...23080-136 ≣E20It (open)
302Karsa Laszlo (HUN)2346Rajna George (ISR)23901-025 ≣E20It (open)
187Kasanen JuhaSoom1-017 ≣E20Olympiad (student...
629Kask OveFritz Manfred0-130 ≣E20Tournament (IECG)
764Kazakova AnastasiaAbdrakhmanova Sar...20040-141 ≣E20Tournament (junio...
701Kazakova Anastasi...1938Dokuchaeva Veroni...1-035 ≣E20Ch Privolzhskogo ...
168Kekki YrjoEriksson Lasse1-048 ≣E20?
176Kekki YrjoKaasalainen Arvo0-139E20?
89Kelly TAnderson Frank R ...0-122 ≣E20Olympiad
731Kende Gyorgy (HUN)2211Horvath Peter_ (HUN)24510-130 ≣E20It (open)20 Jun 2006
82Keres Paul (EST)2580Ragozin Viachesla...1-041 ≣E20Tournament
830Khachatryan Vahag...2278Polivanov Anatoli...23821-036 ≣E20It (open)12 Sep 2009
798Khachatryan Vahag...2283Grekh Andrey (UKR)23911-043 ≣E20Memorial E.Geller...11 Sep 2008
702Khattapova Aigul ...1956Ishmurzina Liliya...1-065 ≣E20Ch Privolzhskogo ...
367KikrushkinMalikov S0-150 ≣E20Ch Club URS (team...
624Kinkelin Ulrich (...2019Kwossek Georg (GER)20970-137 ≣E20Bayern Regionalli...
7Klein Ernst LudwigEuwe Max (NED)0-161 ≣E20It
613Kmit Jozef (SVK)2047Bukovinsky J1-033 ≣E20Ch Slovakia (team...
313Knoppert Erik G J...2336Riemersma Liafber...24200-151 ≣E20Ch Netherlands (1...
748Kocabalkan Tayfun...1653Bapci Hikmet0-125 ≣E20Ch Turkey (1/2 fi...19 Dec 2006
477Kojetsky Pavel (CZE)2114Vasek Dalibor (CZE)1-019 ≣E20Ch Moravia (open)
541Komarov Andrei (RUS)1981Rutman Aleksandr ...23100-133 ≣E20It (seniors)
578Konovalova Olesia...2156Kalinina Vladisla...22390-139 ≣E20Ch Ukraine (junio...
52Kopaev Nikolay An...Bonch-Osmolovsky ...0-146 ≣E20Ch URS (1/2 final)
507Kopta Pavel (CZE)2299Jelinek Milan (CZE)20691-054 ≣E20It (open) (junior...
236Kornath Heinrich ...1901Teichgraber G1-019 ≣E20Europe Tournament...
882Kornyukov Alexey ...2483Shibaev F (RUS)23450-141 ≣E20Ch Southern FO (o...13 Mar 2011
258Koskinen Erkki (FIN)1952Virtanen Matti1-044 ≣E20?
787Kostak Tatiana (UKR)2106Ivanenko Olga (UKR)20220-131 ≣E20Ch Ukraine (1/2 f...26 May 2008
859Kotrotsos Vasilio...2355Stavrianakis Ioan...22510-148 ≣E20Ch Greece (team)07 Jul 2010
327Kovacs Istvan (HUN)2200Vargyas Zoltan (HUN)21020-132 ≣E20Ch Hungary (open)
551Kovacs Lajos (HUN)2138Computer \1-029 ≣E20It (open) \
277Kovalev Andrei (BLR)2513Gavrikov Viktor (...23651-043 ≣E20Memorial A.Sokolsky
440Kozlowski Waldema...2042Chruszcz T0-126 ≣E20Ch Poland (corr.)
420Kozlowski Waldema...2042Bonarek L1-044 ≣E20Ch Poland (corr.)
837Kravchuk OlegTunik Sergey (RUS)18971-033 ≣E20Ch Region30 Oct 2009
167Kristinsson (ISL)Tsagan T (MNG)1-038 ≣E20Olympiad
119KunzDudeck1-040 ≣E20Memorial Dyckhoff...
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
474Kuta MiroslavVesely Roman1-043 ≣E20It (open)
110Kwapisz StanislawSliwa Bogdan (POL)22351-040 ≣E20Ch Poland
111Kwapisz StanislawSolecki Zbigniew0-177 ≣E20Ch Poland
109Kwapisz StanislawDomanski Jerzy (POL)20901-044 ≣E20Ch Poland
515Laimos NikolaosGalanos Dimitrios...19430-142 ≣E20Ch Greece (team)
816Laitinen Martti (...1857Reuben Stewart (ENG)21520-145 ≣E20Ch Europe (senior...06 Apr 2009
473Lalic Susan (ENG)2315Stuart E Leslie (...20380-147 ≣E20It (open)
932Lambert Romain (FRA)2138Hallay Axel (FRA)19831-026 ≣E20Ch Paris (open) (a)10 Jul 2012
718Lapshun Yury (USA)2445Berczes David (HUN)24750-134 ≣E20It (cat.8)07 Aug 2005
357LarssonJohansson1-026 ≣E20Cup Nordic (corr.)
562Legemaat Gert (NED)2216Lambers Gerrit Hans1-026 ≣E20Tournament
141Lehmann Heinz G (...2285Weise Dietrich1-041 ≣E20Ch BRD
735Lhost Geoffrey (BEL)1969Denayer Eric (BEL)22760-127 ≣E20It (open)30 Jul 2006
536Liardet Fabrice (...2380Ekstroem Roland (...24750-162 ≣E20It (open)
523Liardet Fabrice (...2380Zhu Chen (QAT)25151-041 ≣E20It (open)
491Liardet Fabrice (...2360Anka Emil (HUN)24001-032 ≣E20It (open)
688Liascovich Lucas ...2415Arambel Sergio (ARG)22961-042 ≣E20It (open)08 Apr 2004
452LibertNilsson Nils S (DEN)22600-120E20Memorial I.Bolesl...
74Lima EdmundoPaiva Omar0-139 ≣E20Ch Brazil
384Lim Kok Ann Dr (SIN)2038Usachyi Mark (UKR)21960-162 ≣E20Ch World (seniors)
241Lim Kok Ann Dr (SIN)2038Sztekel1-041 ≣E20Olympiad
227Lim Kok Ann Dr (SIN)2038Le Marquand22001-025 ≣E20Olympiad
20Lisitsyn Georgy (...Sokolsky Alexey (...1-031 ≣E20Ch URS (1/2 final)
197Litkiewicz Kurt (...2240Maton A1-022 ≣E20Europe Tournament...
729Lockwood William ...1895Spraggett Kevin (...26100-144 ≣E20It (open)22 Apr 2006
415Loehr GernotWingender Hans Peter1-040 ≣E20Verbandsliga Nort...