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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
246Gotzhein HKuehn0-143 ≣E20corr.
32Geller Efim P (RUS)2455Sokolsky Alexey (...0-172 ≣E20Ch URS
97Chistiakov Alexan...Lisitsyn Georgy (...1-051 ≣E20Ch URS (team)
528Gruss SManigk Sebastian ...21511-051 ≣E20Bundesliga (junio...
91Milev Zdravko (BUL)2230Olafsson Fridrik ...24340-131 ≣E20Olympiad
164Gligoric Svetozar...2447Osmanagic Muamer ...22601-039 ≣E20It
816Laitinen Martti (...1857Reuben Stewart (ENG)21520-145 ≣E20Ch Europe (senior...06 Apr 2009
840Stahnke Alexander...1922Haron Greg20581-070 ≣E20Ch Australia (major)06 Jan 2010
576Sipka Zoltan (HUN)1908Vereb Andras (HUN)20860-122 ≣E20It (open)
520Bartl Ulf (GER)2019Oezen Alf18651-054 ≣E20It (open) \
832Batista Sergio (BRA)1928Fieri Isaac Pedro...20551-038 ≣E20Ch Paulista (final)03 Oct 2009
454Vasquez Goncalo1950Weill Roland (FRA)22050-135 ≣E20It (open)
78Grynfeld Izaak (POL)Gadalinski Jan (POL)1-036E20Ch Poland17 Oct 1952
642Pfleger Sascha (GER)2214Machenski Jerome ...19771-063 ≣E20It (open)
168Kekki YrjoEriksson Lasse1-048 ≣E20?
115Diez Del Corral J...2415Persitz Raaphi (SUI)23360-180 ≣E20It
139Espinoza CarlosPinzon Solis Filipe0-141 ≣E20It
218Cafure EmilioCruz Raul0-125 ≣E20It (open)
220Dreesbach HSchafer Rudiger1-038 ≣E20corr.
221PopovCarosi1-029 ≣E20corr.
222Steudtmann Christ...2268Koehler Gerhard (...21431-032 ≣E20It (open)
223Oliva Lobato Pedr...2162Luckis Marcos22700-151 ≣E20It (open)
225Huelsmann Josef (...2214Nippgen Georg (GER)22341-029 ≣E20Tournament
226Garcia Raimundo (...2420Hamann Svend (DEN)24901-041 ≣E20Olympiad
228Sorri Kari Juhani...2251Keeshan M22001-037 ≣E20Olympiad
230De Carbonnel HeinzKeglevic Pavao (CRO)22030-132 ≣E20Ch Europe (team) ...
234Vehreschild HScheffer G1-023 ≣E20corr.
236Kornath Heinrich ...1901Teichgraber G1-019 ≣E20Europe Tournament...
237Venalainen Unto E...2350Day Lawrence A (CAN)23301-019 ≣E20?
238Brilla Banfalvi S...Bjorkqvist Armas1-020 ≣E20corr.
241Lim Kok Ann Dr (SIN)2038Sztekel1-041 ≣E20Olympiad
244Kaltofen HSchwanfelder Martin1-022 ≣E20corr.
245Putkonen HeikkiRantanen Veikko0-135 ≣E20?
247Fodor Istvan (HUN)1988Lepsenyi Lorant (...20550-123 ≣E20Tournament \
249Garrido FedericoChaves Marcelo Fe...21341-040 ≣E20Olympiad
254Siff Boris2230Peters John A (USA)23700-124 ≣E20?
256Garcia Raimundo (...2327Giardelli Sergio ...23151-041 ≣E20Olympiad
258Koskinen Erkki (FIN)1952Virtanen Matti1-044 ≣E20?
259Lombardy William ...2540Peters John A (USA)24300-146 ≣E20It (open)
260Holley MaxBerry Jonathan (CAN)22490-144 ≣E20corr.
262Vaisanen VeikkoHonkaniemi Raimo1-037 ≣E20?
263Gotzhein HLauer F0-155 ≣E20corr.
264Niklasson Christe...2385Schneider Lars-Ak...24200-134 ≣E20It
266Toth Bela (ITA)2345Olivotto Roberto1-031 ≣E20Ch Italy
268Weber Robert1Gerusel Mathias (...24251-064 ≣E20It
270Toth Bela (ITA)2345Tatai Stefano (ITA)23670-129 ≣E20It (a)
271Sherwood CharlesCasey Kevin (AUS)20700-120 ≣E20It (open) \
272Mendoza Navas Ped...2195Martin Marfil Fra...20311-026 ≣E20Ch Malaga16 Feb 1980
273Vukosavljevic Lju...2195Stempin Pawel (POL)23620-132 ≣E20It
277Kovalev Andrei (BLR)2513Gavrikov Viktor (...23651-043 ≣E20Memorial A.Sokolsky
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
275Brionne Thierry (...2112Borg Geoffrey (MLT)23670-127 ≣E41Ch Europe (juniors)
276Brionne Thierry (...2112Michiels Dirk0-127 ≣E41Ch Europe (juniors)
705Seidl Juergen (GER)2181Schubert Dieter21101-027 ≣E41Bayern Regionalli...12 Dec 2004
707Hogg StephenDonohue Tom (SCO)17150-127 ≣E41It (open)06 Mar 2005
200Tabakiernik WLambshire MV0-140 ≣E41Ch Great Britain
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
920Feliciano Vanessa...2194Da Cruz Karoliny ...17991-024 ≣E41Ch Brazil (w)22 Mar 2012
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
486Jugow Alexander (...2152Breustedt Werner ...22401-049 ≣E41Ch World (seniors)
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
711Vernay Gaspard (FRA)1627Lemeille Francois...20720-133E41Ch France (team) ...14 May 2005
553Richardson John R...2330Copeland Graham (...22951-034 ≣E41Ch England (team)...
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
712Navarro Nicolas V...2182Adekola Adedeji (...20800-151 ≣E41It \24 May 2005
796Praszak Michal (POL)2216Zmarzly Aleksandr...19321-035 ≣E41It (open) (a)21 Aug 2008
856Doelker Kai (GER)1723Gruenter Martin (...21780-126 ≣E41Ch Germany (junio...06 Jun 2010
893Dupre Paul Donald...2037Arkell Keith C (ENG)24090-114 ≣E41It (open)27 May 2011
500Einarsson Bergste...2175Kristjansson Stef...24851-035 ≣E41It (open)
1Rellstab Ludwig S...2265Pahl Kurt1-012 ≣E41
797Manfredi Vincenzo...2206Tatai Stefano (ITA)23621-043 ≣E41It (open)27 Aug 2008
296Toth Bela (ITA)2345Mandl Robert (GER)22881-029 ≣E41It (open)
574Andersen Ejnar (DEN)2111Petersen Steen (DEN)21660-126 ≣E41Tournament
297Popp Klaus2200Weigel Herbert (GER)21181-031 ≣E41Ch Mittelfranken
656Deruelle Sala Alb...2158Lozano Arribas Ca...21880-142 ≣E41It (open)
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
559Dias Paulo (POR)2295Neto Horacio (POR)21570-126 ≣E41Ch City
17Najdorf Miguel (POL)2445Rohacek Vladimir ...1-020 ≣E41Memorial K.Treybal
801Yurkov Alexey (UKR)2174Minenko Andrey (RUS)23261-052 ≣E41Ch Ukraine (junio...02 Oct 2008
301Vallifuoco Giovan...2155Belotti Bruno (ITA)24330-132 ≣E41Ch Italy
904Ezat Mohamed (EGY)2434Nabaty Tamir (ISR)25630-141 ≣E41Ch World (team)18 Jul 2011
808Slyusarenko YuGevak A0-120 ≣E41Ch City (open)
571Andrade Romo Anib...2034Bastidas Rodrigue...22450-119 ≣E41Tournament \18 Sep 1998
303Anderson AnthonyAlmeida Jose T (POR)21980-142 ≣E41Ch World (team) (...
699Santos Marcus Vin...2334Tsuboi Edson Kenj...23871-059 ≣E41It (cat.5)17 Oct 2004
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
800Neverov Valeriy (...2571Constantin David ...20911-046 ≣E41It (open) \13 Sep 2008
721Ruether Rudolf (GER)2188Kaiser Matthias (...22251-046 ≣E41Bayern Landesliga...23 Oct 2005
911Abdel Razik Khale...2423Omorere Benjamin ...22231-043 ≣E41Tournament \10 Sep 2011
564Minzer Claudio Ja...2390Bombardiere Rosas...23451-054 ≣E41It (open)
311Ehrnrooth JohanPlank Gosta1-029 ≣E41?
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
722Orsi Matteo (ITA)1877Torrione William ...18831-026 ≣E41It (open) (b)30 Oct 2005
99Lloyd Ken2200Van Hoorne1-047 ≣E41Ch World (juniors...
243Dittmann Hans-Ado...2170Groenegres Wilfri...21340-142 ≣E41It (b)
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
566Henriksson Svante...2151Johansson Jukka (...21171-037 ≣E41It (open)