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King's Indian, Petrosian System, Main line 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Nbd7 8. Bg5

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
247Naumkin Igor (RUS)2495Scerbo Antonio (ITA)21071-036 ≣E90It (open)26 Apr 2006
167Navarro Emanuele ...2184Rocchi Riccardo1-029 ≣A48Tournament (open)...
202Nevednichy Vladis...2593Vidal Guillaume (...20491-028 ≣A16It (open)
97Nielsen Peter Hei...2405Vezzani Stefano (...21831-025 ≣B06It (open)
187Niklasch Oliver (...2363Mista Aleksander ...22690-121 ≣A40It (open)
213Nikolaev Leonid (...2301Novikova Margarit...20931-028 ≣E90Memorial I.Stepichev
212Ninh Cong Quyen (...Nguyen Tuan Minh ...1-036 ≣B06It (open)
276Norri Joose (FIN)2356Virtanen Antti (FIN)23230-121 ≣E73Ch Finland (team)...08 Mar 2008
9O'kelly De Galway...2460Gligoric Svetozar...24470-136 ≣E90Izt
236Okoneshnikova Gal...Ukrainskaya Svetl...0-130 ≣A42Ch Russia (junior...
237Oliveros Alvarez ...1920Arias Rodriguez S...21920-124 ≣A10Ch Asturias17 Apr 2004
145Palacios Perez Ma...2192Torres Saulo1-026 ≣A53Olympiade (blindf...
120Palacios Perez Ma...2192Molina Fabrizio (...22581-031 ≣A40It (open) \
224Parraga Alejandro...2186Pizarro Marcelo (...1-030 ≣E90Ch Bolivia
40Patterson Nichola...2345Withers WR22001-027A15Olympiad
265Perez De Miguel A...2123Jimenez Martinez ...22191-035 ≣A40Ch Spain (univers...07 May 2007
80Pergericht Daniel...2285Bernard Christoph...16940-134 ≣E90It
132Piepenburg RolfStimpel Franz (GER)21791-024 ≣A05Oberliga 1994/95
295Pinigin Vladimir ...2051Nevorotov Boris (...20191-036 ≣E73Ch City (1/2 final)06 Dec 2009
275Pinto Antonio (POR)2041Codenotti Marco (...20500-129 ≣A05Ch Provinciale LI20 Jan 2008
99Piskov Yury (RUS)2500Velikhanli Firuza...22621-031 ≣E73It (open)
111Pogorelov Ruslan ...2400Medina PA1-036 ≣A05It (open)
141Polak Tomas (CZE)2445Mudrak Josef (CZE)23101-033 ≣E90Czech League 1995...
310Pozdniakov Vladim...Ivaneko Alexander1-020 ≣E73Tournament (Elo)29 Jan 2012
89Pytel Bozena (FRA)1919Smirin Ilia (ISR)26780-131 ≣A48It (open)
268Qurbonboeva Sarvi...2031Thilakawarena Sup...16261-035 ≣A16Ch Asia (juniors)...25 Aug 2007
280Racherbaeumer Mar...2284Orlov Andrey (RUS)25210-136 ≣A42It (open)06 Jul 2008
180Radziewicz Iweta ...2425Oliveira Vera (POR)20251-027 ≣A48Ch Europe (junior...
60Ravikumar Vaidyan...2395Casa Alex (FRA)21931-031 ≣E73It (open)
113Ravi Lanka (IND)2425Balasubramaniun R...22741-023 ≣E90It (open)
238Recine Leonel (URU)2041Genta Alejandro (...21450-117 ≣E90It05 Aug 2004
47Ree Hans (NED)2440Donner Jan-Hein (...24801-029 ≣A15It (cat.11)
70Ree Hans (NED)2379Bosboom Manuel (NED)23550-130 ≣A05It
193Reinke Kurt (GER)1940Meyer Marco (GER)19861-032 ≣A48It (open)
73Reznicek Jan (CZE)2185Tejkal Jiri (CZE)19781-032 ≣A05It
270Rizza Francesco (...2047Valguarnera Girol...21730-125 ≣E90It (open)02 Sep 2007
285Roberto JoseAsfora Marco (BRA)22311-030 ≣E90Tournament (Elo)27 Mar 2009
306Rodriguez Rejano ...Medina Masdeu Ras...18280-123 ≣E90It (open)17 Aug 2011
312Rodriguez Sofia (...Mesa Brenda Sofia...1-031 ≣E90Ch Colombia (juni...18 Jun 2012
56Rogers Ian (AUS)2545Suradiradja Herma...22381-036 ≣A16It
3Rossetto Hector (...2285Bolbochan Jacobo ...1-032 ≣A15It
296Rueggeberg Wilhel...1944Mueller Waldemar ...20890-133 ≣E90It (open) (seniors)09 Dec 2009
293Ruiz Vinals Matia...2101Alemany Jara Alej...17860-127 ≣E90Ch Spain02 Oct 2009
292Rusev Aleksandar ...2219Miotto Alessandro20261-031 ≣E90Ch Switzerland (t...06 Sep 2009
92Sachs Thomas (GER)1993Tutt B0-132 ≣E90It (open)
230Sambuco Salomone ...2000Gonzalez Marcos (...22050-133 ≣A48It (open)21 Sep 2003
183Sanchez Repullo D...2254Lanza Pena Albert...20381-027 ≣A48It (open) (junior...
214Sanetra SLuch Michal (POL)22711-029 ≣A48Ch Poland (team) ...
252Sanetra Szymon (POL)2048Pigula Marek (POL)20761-025 ≣E90Tournament (Elo)14 Jul 2006
278Santura Janusz (POL)1852Mandla Maciej (POL)16950-135 ≣A48It (open)30 Mar 2008
44Savadkouhi Massou...2200Salinas22001-033 ≣B06Olympiad
133Savitskaya Ekater...2170Miroshnichenko Ni...20861-022 ≣E70It (open)
219Sbarra Marco (ITA)2220Gagliardi Christi...21381-034 ≣B07It (open)13 Oct 2002
287Sbarra Marco (ITA)2219Volpi Davide (ITA)20051-028 ≣E90Tournament (open)02 May 2009
175Sbarra Marco (ITA)2270De Palma Diego (ITA)21351-021 ≣E90It (open)
160Schlager Thomas (...2262Kapfer Thomas (GER)21590-128 ≣E73Oberliga Baden 19...
302Scholz Christian ...2387Poldauf Dirk (GER)23851-027 ≣E90Bundesliga 2010/1105 Feb 2011
199Scholz Christian ...2324Eschle Hubert (GER)19451-032 ≣E90It (open)26 Dec 2000
66Schuetz Thomas (GER)2295Werner Dimo (GER)21900-130 ≣A48Oberliga NRW 1986/87
63Schulze Hanjo (GER)2215Kaminski Uwe (GER)23560-132 ≣E90It \
83Sdrojewski WPoldauf Dirk (GER)23850-125 ≣E73It
203Seidel Juergen (GER)2023Spencer Andrew1-032 ≣A48Hessenliga 2000/01
7Serebrisky Alexan...Shianovsky Vladis...22550-135 ≣E70Ch \
226Sharevich Anna (BLR)2266Martynuk Tatiana ...21871-036 ≣A48Ch Belarus (w)
67Sharp Jeremy (ENG)2265Kjeldsen Jens (DEN)24111-034 ≣E73Ch Hamburg (open)...
190Sheldon Ruth (ENG)2310Sergeeva Maria (KAZ)22080-134E73Ch World (juniors...
135Shestoperov Aleks...2435Newerovski Gennad...23801-036 ≣A40Tournament \
147Solana Suarez Ern...2320Canaves Juan1-028 ≣E60Ch Spain (team) (...
194Sole Rota David (...2082Masip Tressera Or...21101-028 ≣E90It (open)
88Soto OCerpa Deniz Jose ...20850-124 ≣A05It (open)
146Soultatis Kostas ...2063Kaldelis E0-136E90It (open)
222Souza Neves Andre...2200Leda Cayro1-029 ≣E90It (open) \
305Stanec Nikolaus (...2543Holzer Gerhard (AUT)21831-036 ≣A48It (open)14 Aug 2011
109Strugach LMills James A (USA)21141-035 ≣A48Tournament (e)
200Suarez Montousse ...1980Fernandez Trivino...19281-034 ≣E61Ch Asturia (team)...
32SulkinVooremaa Andres (...22401-035 ≣E90?
72Szmetan Jorge (ARG)2372Urday Henry (PER)24820-126 ≣A05It
77Szypulski Andrzej...2405Terzic Safet (BIH)22650-112 ≣A48It
254Talberg Kristian1316Isaksen Eirik Nymo13490-131 ≣A15It (open) (b)25 Aug 2006
4Tal Mikhail N (LAT)2520Pietzsch Wolfgang...24201-030 ≣E73It
2Tal Mikhail N (LAT)2520Fischer Robert J ...27801-034 ≣E73Tournament (candi...
231Tencati Giuseppe ...2096Terbonati Paolo (...19311-025 ≣E90Tournament (weekend)19 Oct 2003
74Titz Heimo (AUT)2202Schoeppl Engelber...22041-035 ≣A15Staatsliga
209Toniutti Ezio (ARG)2069Mareco Sandro (ARG)25970-128 ≣E90Ch Argentina (jun...
144Tonon Alessandro ...2235Babula0-135 ≣E90It (open)
313Torres Jose Danie...2153Diaz Illescas Jua...0-133 ≣A48Ch Venezuela (exp...21 Jun 2012
228Torrezani Eduardo...2080Cuel Amos B18000-135 ≣A48Tournament (open) \15 Aug 2003
140Tran Ngoc QuynhBui Ngoc Anh0-133 ≣A48Ch Vietnam (team)
171Trentini Danilo (...2089Belotti Bruno (ITA)24300-121 ≣A48It (open)
188Tribuiani Renato ...2128Rago Riccardo (ITA)21750-128A05It (open)
286Trofimov Viktor (...1791Narchuk Margarita...17461-031 ≣A48Tournament (open)
87Tsemekhman Vadim ...2355Eagle C1-036 ≣A48It
105Tuominen Risto (FIN)2283Lehti Juhani (FIN)22331-031 ≣E73It (open) \
61Unger Thomas (USA)2295Meyer John C (USA)22841-030 ≣E70It \
52Vaisman Volodia (...2485Adamski Andrzej (...22551-035 ≣A53It (open)
272Valenzuela Fuente...2434Jorquera Marcelo ...22961-034 ≣A46It (cat.5)28 Sep 2007
163Valenzuela Fuente...2355Rios Mauricio (COL)23051-024 ≣E73Ch World (team) (...
282Valle Adriano (BRA)2307Teixeira Aloisio ...20011-031 ≣A05Tournament20 Sep 2008
154Valle Adriano (BRA)2225Navarro Flavio1-031 ≣A05Ch Brazil (1/2 fi...
161Van Dongen Cor (NED)2354De Pender Paul (NED)21910-134 ≣E90Ch Netherlands (j...