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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
346Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
347Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
667Papacek TomasVoboril Pavel (CZE)21050-148 ≣E20Czech League 2002...
788Papay Marek (CZE)1836Macek Kamil (CZE)19370-143 ≣A17It (open)19 Jun 2008
135Pasman MarksKlasups Karlis1-040 ≣E41Ch Riga
886Passeri Marco1521De Carolis Massimo19720-155 ≣E20Tournament (weekend)03 Apr 2011
863Patzelt Nikolaus ...1876Bonk Andras (GER)18591-052 ≣E41Memorial Karl Mal...11 Jul 2010
371Pavlovic Slobodan...2159Govedarica Radova...23890-130 ≣E20Ch Yugoslavia (te...
834Pavlu Jiri1898Svancara Petr (CZE)21640-167 ≣E20Czech League 2009...18 Oct 2009
207Payrhuber KlausBohm Hans (NED)23170-140 ≣E20Ch Europe (juniors)
746Pedersen Nicolai ...2510Barrientos Sergio...24210-133 ≣A17Memorial J.Capabl...26 Nov 2006
599Peralta Fernando ...2433Gaprindashvili Va...23900-165 ≣A40Ch World (juniors...
653Perchik VladimirKhliastikov Georg...20820-146 ≣E20Memorial I.Stepichev
678Pereira Figueroa ...2097Bozzo Rodolfo1-039 ≣E20Dos Hermanas Qual...16 Mar 2003
933Perena Catherine ...2091Mendoza Shania Ma...18061-035 ≣E41Ch Philippines (w)16 Jul 2012
53Perez Perez Franc...Prins Lodewijk (NED)22200-132 ≣E20It
323Peterman RRohde Michael A (...25500-124 ≣E41It (open)
616Petritaj Ferdinan...2194Van Hoolandt Patr...21691-028 ≣E41It (open)
101Petrosian Tigran ...2580Benko Pal C (USA)24081-027 ≣E41Match \
417Petrov Peter2325Christov I0-133 ≣E20corr.
642Pfleger Sascha (GER)2214Machenski Jerome ...19771-063 ≣E20It (open)
488Pham Gia HuyDuong Thanh Binh1-045 ≣E41Ch Vietnam (team)
734Pham Nguyen Hoang...Truong Bao Thach ...0-143 ≣E20Ch Vietnam (junio...18 Jul 2006
181Piket Joop J (NED)2125Agnes Corrado1-022 ≣E20Ch World (team) (...29 Jul 1964
205Piket Joop J (NED)2125Kunnen1-026 ≣E20Ch Netherlands (t...
184Piket Joop J (NED)2125Kramer Haije J (NED)23301-038 ≣E20It \
211Piket Joop J (NED)2125Tatai Stefano (ITA)23670-133 ≣E20It \
708Podolchenko Evgen...2229Liassota Evgueni ...22431-047 ≣A40Ch Belarus (junio...11 Apr 2005
309Polgar Zsuzsa (USA)2495Spiridonov Nikola...22391-033 ≣E20It (cat.7)
393Polgar Zsuzsa (USA)2540Granda Zuniga Jul...25651-041 ≣E20It
121Polugaevsky Lev A...2585Averbakh Yuri L (...24450-132 ≣E20Ch URS
502Pompa Alessandro ...2070Malloni Marcello ...23090-130 ≣E41Ch Rome
221PopovCarosi1-029 ≣E20corr.
190Popovic Petar (SRB)2485Karaklajic Nikola...23030-135 ≣E20It
297Popp Klaus2200Weigel Herbert (GER)21181-031 ≣E41Ch Mittelfranken
217Porreca Giorgio (...Suta Mihai (ROM)22351-033 ≣A15World Tournament ...
470Port Hans JuergenWalther Karl Heinz0-150 ≣E20Ch Bahn (team)
435Port Hans JuergenWalther Karl Heinz1-045 ≣E20Ch Bahn (H)
318PoschustaHort Vlastimil (GER)25450-136 ≣E20It (open)
796Praszak Michal (POL)2216Zmarzly Aleksandr...19321-035 ≣E41It (open) (a)21 Aug 2008
466Pribyl Martin (CZE)2390Hosek Milan (CZE)22891-048 ≣E20Czech League 1994...
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
766Prohaszka Peter (...2470Rian Kapriaga (INA)20861-033 ≣E20Olympiad (under 16)12 Aug 2007
19Pruyt PHVan Den Berg Care...24100-140 ≣A17Ch Netherlands (1...
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
880Pugh Larry (USA)2051Lobo Kunal1-060 ≣E20Ch USA (amateur) ...19 Feb 2011
524Punteri Marco (ITA)2049De Bortoli Peter ...21831-027 ≣E41Ch Italy (juniors)
42Purdy John S (AUS)2143Napolitano Mario ...1-045 ≣A15?
687Pushin Vladimir (...2231Kiselev Vitaliy (...21621-035 ≣E41Ch Russia (junior...
245Putkonen HeikkiRantanen Veikko0-135 ≣E20?
467Pyka Andreas (GER)2056Esser Norbert (GER)21880-138 ≣E41Cup Germany
299Quinque KFauth Heinz1-041 ≣E20corr.
430Rabara Frantisek ...1940Kalous Miroslav (...20910-149 ≣E20It (open)
71Rabar Braslav (YUG)Toth Vince (HUN)1-045 ≣E41It
908Radice Luca (ITA)1972Robbio Pietro18831-039 ≣E20Tournament (open)
652Radice Luca (ITA)2077Provera Emanuele ...21440-120 ≣E20Ch Italy (team)
755Radjabov Teimour ...2742Anand Viswanathan...28010-153 ≣E20It \18 Mar 2007
815Rano David (FRA)2183Heinz Timothee (FRA)22791-027 ≣E20Ch France (team) ...14 Mar 2009
261Rastenis Gedimina...2333Zaichik Gennadi (...24570-126 ≣E41Ch URS (young mas...
663Rattray Gordon2055McKay Roderick M ...23710-121 ≣E41Ch West Scotland26 May 2002
789Rawicz Karol (POL)2242Kravtsiv Martyn (...25490-128 ≣E20It (open)25 Jun 2008
389Redmond John (IRL)2225Poulton James (ENG)23611-047 ≣A40It (open)
533Reduan Aband MohdHisar Simanjuntak0-136 ≣E41Ch World Cities
703Regis Georg (GER)2129Schmidt Gerhard (...20621-065 ≣E41Oberliga East B 2...14 Nov 2004
1Rellstab Ludwig S...2265Pahl Kurt1-012 ≣E41
15Reshevsky Samuel ...2430Levin Jacob1-039 ≣E20Ch USA
14Reshevsky Samuel ...2430Denker Arnold S (...22931-045 ≣E20Ch USA
885Reznik Vladimir (...2170Palchun Grigory (...21941-034 ≣E20Tournament \
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
553Richardson John R...2330Copeland Graham (...22951-034 ≣E41Ch England (team)...
437Richter Michael (...2225Lagershausen Thomas0-153 ≣E41It (open) \
2Rjumin N (RUS)Panov Vasily N (RUS)1-042 ≣E41Ch URS
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
759Rodrigo Edson (BRA)1962Gallo Ponce Elber...22020-1103 ≣E41It (open)27 May 2007
479Rodrigues Camilo ...2100Taffal Fuad (JOR)20820-145 ≣A40Ch World (juniors)
402Rodrigues JPOliveira Antonio ...22221-033 ≣E41It (open)
899Rodriguez Eric (USA)2337Poza Juan Carlos0-131 ≣E20It (open)08 Jul 2011
871Romero OscarCastaneda Jorge L...21230-153 ≣E41Ch Pan-American (...18 Nov 2010
570Roobol Martin (NED)2260Janssen Ruud (NED)23450-149 ≣E41It (open)
443Roobol Martin (NED)2325Lemmers Oscar (NED)23701-041 ≣E41Ch Netherlands (q...
56Rossetto Hector (...2285Vasconcellos Fern...1-042 ≣E20Zt
122Rossetto Hector (...2285Toth Vano P17701-037 ≣E20It
34Rossolimo Nichola...2450Golombek Harry (ENG)23201-022 ≣E41It
805Roubalik Jakub (CZE)2216Juricek Stanislav...21890-128 ≣E20Czech League 2008...23 Nov 2008
777Rozhkov DDanchinov Viktor ...22150-123 ≣E20Ch City
114Rubio Aguado Fern...Reisdoerfer1-030 ≣E20Cup European Club02 Oct 1955
677Ruchkin Yuri (RUS)2238Makhianov Vadim (...22011-026 ≣E41Ch Russia (1/2 fi...
10Rudakovsky Iosif ...Lisitsyn Georgy (...0-161 ≣E20Ch URS
608Rudlof JuergenStredak Josef0-136 ≣E20It (open) (b)
721Ruether Rudolf (GER)2188Kaiser Matthias (...22251-046 ≣E41Bayern Landesliga...23 Oct 2005
831Ruiz Delgado BasilioRamirez Victor (ARG)21130-150 ≣A40Tournament (open)01 Oct 2009
820Ruiz Rodriguez Fe...Norte Garcia Andr...17040-131 ≣E41Tournament (open)...09 May 2009
413Russell Corey (USA)2155Barnes Joel (USA)22481-080 ≣E41It \
606Russell Corey (USA)2314Gulko Boris F (USA)26430-137 ≣E20Oz.com qualifier ...
909Russo Arianna1696Andreani Carlo13861-059 ≣E20It (open) (b)04 Sep 2011
822Ryklis BorisKolmakov Pavel (RUS)22680-122 ≣E41It (open) \19 Jun 2009
460Ryskin Alexander ...2435Pushkov Nikolai (...25150-134 ≣E41It
340SacchiniMalloni Marcello ...23090-126 ≣E20?
664Sacchini Marco (ITA)2198Shytaj Carlo (ITA)21270-155 ≣E20It (open)13 Jul 2002
760Sacchini Marco (ITA)2150Orlov Andrey (RUS)24810-148 ≣E20It (open)14 Jun 2007