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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
922Kleine Bruna Fern...1893Ribeiro Regina (BRA)20200-125 ≣E41Ch Brazil (w)25 Mar 2012
7Klein Ernst LudwigEuwe Max (NED)0-161 ≣E20It
512Kluss Kai (GER)2150Ruzele Darius (LTU)25200-140 ≣E41It (open)
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
662Koczo Kristof (HUN)2081Nemeth Miklos (HUN)22900-125 ≣E41Ch Hungary (junio...30 Mar 2002
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?
598Kostadinov George...2097Berry Jonathan (CAN)22871-031 ≣E41Memorial P.Keres ...
787Kostak Tatiana (UKR)2106Ivanenko Olga (UKR)20220-131 ≣E20Ch Ukraine (1/2 f...26 May 2008
9Kotov Alexander A...2500Lisitsyn Georgy (...1-033 ≣E41Ch URS
859Kotrotsos Vasilio...2355Stavrianakis Ioan...22510-148 ≣E20Ch Greece (team)07 Jul 2010
61Kottnauer Cenek (...2370Sliwa Bogdan (POL)22351-040 ≣E41Memorial G.Maroczy
580Kouvatsos Filippo...2116Nikolaidis Konsta...23830-131 ≣E41It (open)
327Kovacs Istvan (HUN)2200Vargyas Zoltan (HUN)21020-132 ≣E20Ch Hungary (open)
551Kovacs Lajos (HUN)2138Computer \1-029 ≣E20It (open) \
98Kovacs Laszlo M (...2339Cala' Ugo1-025 ≣E41Olympiad12 Sep 1954
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.)
590Krak Tomas (SVK)2076Juricek Stanislav...22740-150 ≣E41It (open)
837Kravchuk OlegTunik Sergey (RUS)18971-033 ≣E20Ch Region30 Oct 2009
283Kretschmar HeinzDubinin Peter V (...0-138 ≣E41corr.
251Kretschmar HeinzKramer Haije J (NED)23300-134 ≣E41Olympiad (corr.)
232Kretschmar HeinzNordstrom Felix (...21811-019 ≣A40corr.
167Kristinsson (ISL)Tsagan T (MNG)1-038 ≣E20Olympiad
119KunzDudeck1-040 ≣E20Memorial Dyckhoff...
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
394Kuraszkiewicz Mic...2341Menacher Manfred ...23071-069 ≣E41Ch Bayern (2)
474Kuta MiroslavVesely Roman1-043 ≣E20It (open)
109Kwapisz StanislawDomanski Jerzy (POL)20901-044 ≣E20Ch Poland
110Kwapisz StanislawSliwa Bogdan (POL)22351-040 ≣E20Ch Poland
111Kwapisz StanislawSolecki Zbigniew0-177 ≣E20Ch Poland
177Lagland GoranKuutti Lauri1-030 ≣A17?
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
478Lancz Ondrej (SVK)2099Zhidkov Valery S ...23250-136 ≣E41It (open)
698Lane Peter Christ...2044Brown Alan (ENG)21390-152 ≣E41It \07 Sep 2004
718Lapshun Yury (USA)2445Berczes David (HUN)24750-134 ≣E20It (cat.8)07 Aug 2005
357LarssonJohansson1-026 ≣E20Cup Nordic (corr.)
542Laudati APienabarca Nicola...21060-188 ≣E41It (open)
545Le Barbier GeorgeBoraud Bruno14500-143 ≣A17Ch City
562Legemaat Gert (NED)2216Lambers Gerrit Hans1-026 ≣E20Tournament
141Lehmann Heinz G (...2285Weise Dietrich1-041 ≣E20Ch BRD
685Le Roux Jean-Pier...2460Bagheri Amir (FRA)24961-020 ≣E41It (cat.11)16 Feb 2004
696Le Roux Jean-Pier...2460Lautier Joel (FRA)26820-125 ≣E41Ch France22 Aug 2004
735Lhost Geoffrey (BEL)1969Denayer Eric (BEL)22760-127 ≣E20It (open)30 Jul 2006
491Liardet Fabrice (...2360Anka Emil (HUN)24001-032 ≣E20It (open)
523Liardet Fabrice (...2380Zhu Chen (QAT)25151-041 ≣E20It (open)
536Liardet Fabrice (...2380Ekstroem Roland (...24750-162 ≣E20It (open)
688Liascovich Lucas ...2415Arambel Sergio (ARG)22961-042 ≣E20It (open)08 Apr 2004
452LibertNilsson Nils S (DEN)22600-120E20Memorial I.Bolesl...
16Lilienthal Andor ...2385Kottnauer Cenek (...23701-015 ≣E41Match \
22Lilienthal Andor ...2385Smyslov Vassily (...24941-044 ≣E41Tournament
74Lima EdmundoPaiva Omar0-139 ≣E20Ch Brazil
384Lim Kok Ann Dr (SIN)2038Usachyi Mark (UKR)21960-162 ≣E20Ch World (seniors)
227Lim Kok Ann Dr (SIN)2038Le Marquand22001-025 ≣E20Olympiad
241Lim Kok Ann Dr (SIN)2038Sztekel1-041 ≣E20Olympiad
803Li Ruofan (SIN)2426Vasilevich Tatjan...23680-112 ≣E41World Mindsports ...08 Oct 2008
20Lisitsyn Georgy (...Sokolsky Alexey (...1-031 ≣E20Ch URS (1/2 final)
197Litkiewicz Kurt (...2240Maton A1-022 ≣E20Europe Tournament...
99Lloyd Ken2200Van Hoorne1-047 ≣E41Ch World (juniors...
729Lockwood William ...1895Spraggett Kevin (...26100-144 ≣E20It (open)22 Apr 2006
415Loehr GernotWingender Hans Peter1-040 ≣E20Verbandsliga Nort...
259Lombardy William ...2540Peters John A (USA)24300-146 ≣E20It (open)
265Lombardy William ...2520Bradford Joseph M...23801-034 ≣A40It (open)
162Lombardy William ...2435Evans Larry M (USA)24700-142 ≣E20Match
719Longa Yauca Javie...2324Rivas Pastor Manu...24610-157 ≣E41It (open)25 Aug 2005
305Lopez Pereyra Ant...2148Velasco Gutierrez...20641-015 ≣A17Match (active)
697Losev Sergey (RUS)2117Emeljanova M1-029 ≣E41Ch Moscow Region ...30 Aug 2004
185Lubienski Tadeusz...2033Salminsh Gedimins...0-135 ≣E20Cup Baltic (corr.)
870Lukacovic Mirosla...2006Eged Igor (SVK)20650-159 ≣E20Ch Slovakia (team...07 Nov 2010
543Lutter Ladislav (...1940Janos Jozef (SVK)21450-168 ≣E20Ch Slovakia (team...
556Luz SiegfriedWingender Hans Peter0-160 ≣E20Verbandsliga Nort...
428Lyrberg Patrik (SWE)2420Luther Thomas (GER)25180-129 ≣A40It (open)
174Machacek Petr (CZE)Blatny Frantisek ...21121-030 ≣E20Memorial Gargulak
433MacKay Ian D (SCO)2289Motwani Paul (SCO)24940-173 ≣E41Ch Scotland
436Maenner AchimThom Ulrich0-138 ≣E20Verbandsliga Nort...
673Mafra Kaiser Luiz...2140Zambrana Oswaldo ...24720-125 ≣E20Cup Itau (open)
90Maher VLorson Gerhard24750-149 ≣E41Olympiad
201Maher VincentHenry Paul (IRL)23750-138 ≣E20Ch Ireland
929Maksimovic Branim...2452Milovanovic Srbol...22171-035 ≣E20Ch Central Serbia...07 Jul 2012
537Maksimovic Suzana...2300Lazic Marina (YUG)22201-019 ≣E20Ch Yugoslavia (te...
456Malo Guillen Jose...2189Kolev Atanas (BUL)24950-157 ≣E20It (open) \
539Manakova Maria (SRB)2345Prudnikova Svetla...23850-167 ≣E41Ch Yugoslavia (te...
526Manakova Maria (SRB)2345Saunina Ludmila (...22601-060 ≣E41Ch Russia (w)
538Manakova Maria (SRB)2345Peptan Corina-Isa...24601-052 ≣E41Ch Yugoslavia (te...
797Manfredi Vincenzo...2206Tatai Stefano (ITA)23621-043 ≣E41It (open)27 Aug 2008
411Markotic Gordan (...2287Sole E1-026 ≣E41It (open)
410Markotic Gordan (...2287Kolev Atanas (BUL)25910-119 ≣E41It (open)
535Markotic Gordan (...2310Damjanovic Mato (...23200-145 ≣E41Ch Croatia (team)...