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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
324Griffin PSorensen Torben (...23580-129 ≣E20Europe Tournament...
557Novikov Georgy (RUS)Welin Mats (SWE)22510-129 ≣E20It (open)
807Muraviev DLugovoy Yury (RUS)22581-029 ≣E20Ch City (open)
169Bratcko ICeglar Michael (GER)20000-129 ≣E20Tournament
472Schelter Thomas (...2170Gebhardt Ulrich (...22250-129 ≣E20Oberliga East 199...
451Golder Louis (USA)2142Tamarkin Larry S ...20730-129 ≣A40Ch Nassau Chess Club
428Lyrberg Patrik (SWE)2420Luther Thomas (GER)25180-129 ≣A40It (open)
821Berkell Peder (SWE)2218Ranby Hans (SWE)19811-029 ≣E20Tournament (Elo)23 May 2009
418Horsch HeinerBrodsky Michail (...25200-129 ≣E41It (open) \
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
551Kovacs Lajos (HUN)2138Computer \1-029 ≣E20It (open) \
622Kaminik Aleksanda...2245Zimmermann Ralf (...21011-029 ≣E20It (open)
864Grochowski Marius...1919Tarajkiewicz Krzy...14661-029 ≣E41It (open)17 Jul 2010
225Huelsmann Josef (...2214Nippgen Georg (GER)22341-029 ≣E20Tournament
270Toth Bela (ITA)2345Tatai Stefano (ITA)23670-129 ≣E20It (a)
311Ehrnrooth JohanPlank Gosta1-029 ≣E41?
353Negro Roberto1900Vehi Bach Victor ...23851-029 ≣E20It (open)
592Olujic Steve1910Levy David N L (SCO)23100-129 ≣E20Tournament
296Toth Bela (ITA)2345Mandl Robert (GER)22881-029 ≣E41It (open)
529Sull Gyula (HUN)2059Pribula Nandor (HUN)19661-029 ≣E20It (open) \
710Van Elst Andreas ...2282Charnushevich Ale...25210-129 ≣E20Ch France (team) ...08 May 2005
889Zavadil Michal (CZE)2124Hrdina Robin (CZE)20501-029 ≣E20It \23 Apr 2011
295Yudasin Leonid (ISR)2470Vilela Jose Luis ...24151-029 ≣E20It (cat.8)
221PopovCarosi1-029 ≣E20corr.
697Losev Sergey (RUS)2117Emeljanova M1-029 ≣E41Ch Moscow Region ...30 Aug 2004
692Fletcher ChrisSladek Vaclav (CAN)20580-129 ≣E20Memorial P.Keres ...22 May 2004
901Williams Ron (WLS)1819Dodington Russell H1-029 ≣E20It \12 Jul 2011
783Foisor Mihaela-Ve...1088Gelip Ioana (ROM)6711-029 ≣E20Ch Romania (junio...12 Apr 2008
453AkopianUtemov Vladimir (...23850-129 ≣E41It (open)
484Vigh Bela (HUN)2355Polak Tomas (CZE)24500-129 ≣E20It (open)
145Toran Albero Roma...2445De Lange Daan1-030 ≣E20Olympiad
676Dommes Vladimir M...2281Ermolov Vasily (RUS)21711-030 ≣E20Tournament (open)\
438Vigh Bela (HUN)2405Rozsnyai Tibor (HUN)20611-030 ≣E20It (open)
329Arencibia Walter ...2511Garcia Gonzales G...25101-030 ≣E41Zt
552Tschann Stephan (...2211Stockmann Michael...22840-130 ≣E20Ch City
548Chaves Jorge Anto...2110De Souza Marcos1-030 ≣E20Tournament (qual)
196Morgado Juan J (ARG)2219Castelli Raul (ARG)21000-130 ≣E20Ch Chess Club
138Matchett HGTTanfield G1-030 ≣E20Memorial Stevenson
494Schubert Ralf (GER)2145Mattick Lutz (GER)22750-130 ≣E41Bundesliga (2nd) ...
371Pavlovic Slobodan...2159Govedarica Radova...23890-130 ≣E20Ch Yugoslavia (te...
406McKay Roderick M ...2376Beaton Kenneth S ...21161-030 ≣E20Ch Scotland
439Ceragioli JohnHimes Harold0-130 ≣E20Ch State California
731Kende Gyorgy (HUN)2211Horvath Peter_ (HUN)24510-130 ≣E20It (open)20 Jun 2006
423Bauerle PHaakonstad O1-030 ≣E20Tournament
177Lagland GoranKuutti Lauri1-030 ≣A17?
630Tan Shihao Sean (...2067Ong Choon Hao Nat...0-130E41Ch ASEAN (juniors...
114Rubio Aguado Fern...Reisdoerfer1-030 ≣E20Cup European Club02 Oct 1955
532Dang V Dung (VIE)2138Zagrebelny Sergey...24750-130 ≣E20Ch World Cities
709Glawe Hartmut1971Bauer Norbert (GER)21680-130 ≣E20Landesliga (2nd) ...24 Apr 2005
461Tejero Royo Fermi...2100Lerch Gallemi Jos...22240-130 ≣E20Ch Catalunia
781Sokolov Ivan (NED)2650Bakker Sven (NED)22321-030 ≣E41Ch Netherlands (t...08 Mar 2008
48Enevoldsen HaraldPoulsen Christian1-030 ≣E20Ch Denmark (play-...
174Machacek Petr (CZE)Blatny Frantisek ...21121-030 ≣E20Memorial Gargulak
672Mesko Andrej (CRO)2067Saric Ante (CRO)24370-130 ≣E20Ch Croatia (junio...
502Pompa Alessandro ...2070Malloni Marcello ...23090-130 ≣E41Ch Rome
629Kask OveFritz Manfred0-130 ≣E20Tournament (IECG)
604Toth Bela (ITA)2389Kluss Kai (GER)22271-030 ≣E41Bundesliga (2nd) ...
257Haggren Stig-Olof...2009Lyly Seppo (FIN)19371-030 ≣E20?
5Mikenas Vladas I ...2405Fairhurst William...23001-030 ≣E41It
63Huguet HLuckis Marcos22701-031 ≣E20Ch Argentina
447Diaz Iglesias Jos...2188Dominguez Piris J...16891-031 ≣E20Ch Asturias (team...
852Brustkern Juergen...2299Lyell Mark (ENG)22021-031 ≣E20It (cat.1) (a)04 May 2010
614Ebner Johann (AUT)2093Ozanne Mark S (GCI)20310-131 ≣A40It (open)
412Karsa Laszlo (HUN)2346Adorjan Andras (HUN)25500-131 ≣E41It (open) (active)
499Chiong Luis (PHI)2390Perez Roland22301-031 ≣E41It (open)
607Sidorchuk Dmitry ...2266Katuzian Valery (...21831-031 ≣E20It (open)
91Milev Zdravko (BUL)2230Olafsson Fridrik ...24340-131 ≣E20Olympiad
146Toran Albero Roma...2445O'Hare E1-031 ≣E20Olympiad
820Ruiz Rodriguez Fe...Norte Garcia Andr...17040-131 ≣E41Tournament (open)...09 May 2009
598Kostadinov George...2097Berry Jonathan (CAN)22871-031 ≣E41Memorial P.Keres ...
485Howard MIWilson Manzo1-031 ≣A40It (open)
20Lisitsyn Georgy (...Sokolsky Alexey (...1-031 ≣E20Ch URS (1/2 final)
294Martin Andrew D (...2445Grooten Herman (NED)23331-031 ≣E41It \
728Karayiannis Costa...2166Low Ying-Min (SIN)19751-031 ≣E20It (open)16 Apr 2006
601Moskalenko Viktor...2508Bevia Luis Martin...21731-031 ≣E41It (open)
266Toth Bela (ITA)2345Olivotto Roberto1-031 ≣E20Ch Italy
297Popp Klaus2200Weigel Herbert (GER)21181-031 ≣E41Ch Mittelfranken
704Nikolaeva Alexand...2133Abrashkin Boris (...23880-131 ≣E20Ch PriFO11 Dec 2004
580Kouvatsos Filippo...2116Nikolaidis Konsta...23830-131 ≣E41It (open)
887Zhao Jun (CHN)2587Xiu Deshun (CHN)25401-031 ≣E20Ch China08 Apr 2011
899Rodriguez Eric (USA)2337Poza Juan Carlos0-131 ≣E20It (open)08 Jul 2011
817Vlasova Darja (RUS)Severina Maria (RUS)19810-131 ≣E20Ch Russia (junior...15 Apr 2009
558Seifert Ronny (GER)2011Machner Christian1-031 ≣A40It (open) \
209Muratov Vladimir ...Kacaiev1-031 ≣E41Ch Kazakhstan
105Geller Efim P (RUS)2455Spassky Boris V (...25480-131 ≣E20Ch URS
626Churikov Kirill (...2220Shkalov Oleg (RUS)22151-031 ≣E20Ch Russia (junior...
757Blackburn Joathan...2228Rees Ioan (WLS)22730-131 ≣E20Ch Wales07 Apr 2007
255Niklasson Christe...2350Kaiszauri Konstan...24200-131 ≣E20?
778Dommes Vladimir M...2264Gaprindashvili No...20751-031 ≣E20Tournament \18 Jan 2008
787Kostak Tatiana (UKR)2106Ivanenko Olga (UKR)20220-131 ≣E20Ch Ukraine (1/2 f...26 May 2008
341Federau Juergen (...2186Matthigak W1-032E20Bundesliga 1987/88
359Horch JMicheel1-032 ≣E20Ch DDR (corr.)
442Bauerle PBluestone M1-032E20It (open) \
858Wohlers-Armas Fri...2011Guichard Pauline ...22930-132 ≣E20Cup France (w)27 Jun 2010
327Kovacs Istvan (HUN)2200Vargyas Zoltan (HUN)21020-132 ≣E20Ch Hungary (open)
121Polugaevsky Lev A...2585Averbakh Yuri L (...24450-132 ≣E20Ch URS
317Chow Albert (USA)2206Chachere Lawrence...23051-032 ≣E20Ch Illinois
491Liardet Fabrice (...2360Anka Emil (HUN)24001-032 ≣E20It (open)
424Kaminik Aleksanda...2200Port Hans Juergen1-032 ≣E20Ch Bahn (G)
230De Carbonnel HeinzKeglevic Pavao (CRO)22030-132 ≣E20Ch Europe (team) ...