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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
52Vaisman Volodia (...2485Adamski Andrzej (...22551-035 ≣A53It (open)
65Mononen HeikkiAho Pauli1-036 ≣E90?
150Barasiant Mariana...2043Aksionova Tatiana...21920-135 ≣E90Ch Europe (junior...
201Clavijo Jorge (COL)2390Alcivar Torres In...21551-033 ≣A41It (open)
293Ruiz Vinals Matia...2101Alemany Jara Alej...17860-127 ≣E90Ch Spain02 Oct 2009
274Kogan Artur (ISR)2561Alexikov Alexande...23711-034 ≣A48Ch Israel (team)04 Jan 2008
102Lanjani A NAmiri S1-031 ≣E73It (open)
75Fernandez Aguado ...2362Andrade1-034 ≣A48?
166Indjic Dusan (SRB)2375Andrijasevic Momi...21501-036 ≣A48Cup Yugoslavia (t...
273Delledonne France...1837Arboscelli Gregor...19130-134 ≣A05Tournament (weeke...10 Nov 2007
205Nardin Flavij (SLO)1916Arduman Can (TUR)23790-135 ≣E90It (open)
237Oliveros Alvarez ...1920Arias Rodriguez S...21920-124 ≣A10Ch Asturias17 Apr 2004
285Roberto JoseAsfora Marco (BRA)22311-030 ≣E90Tournament (Elo)27 Mar 2009
309Leon Magallanes I...2005Aviles Lana Marcos1-033 ≣E73It (open)20 Jan 2012
144Tonon Alessandro ...2235Babula0-135 ≣E90It (open)
113Ravi Lanka (IND)2425Balasubramaniun R...22741-023 ≣E90It (open)
126Halmos Ede (HUN)2097Balogh Bela (HUN)22200-132E90It (open) \
39Fuller Maxwell L ...2269Belkadi Ridha (TUN)23451-036 ≣A05Olympiad
152Messina Rosario1540Bellipanni Piero ...20880-121 ≣E73It
171Trentini Danilo (...2089Belotti Bruno (ITA)24300-121 ≣A48It (open)
108Kyhle Bo (SWE)2193Berman M21801-021 ≣A05It (open)
80Pergericht Daniel...2285Bernard Christoph...16940-134 ≣E90It
298Franca Veronika (...1774Bernik Alja (SLO)16901-025 ≣E90Ch Slovenia (juni...
289Kunze Carlo (GER)2290Bissieres Mathieu...23001-033 ≣E73It (open)
19Johannessen Svein...2273Bjornsson Tomas (...21621-025 ≣E73It
301Maric Boris (YUG)2028Block Wolfgang (GER)21200-128 ≣A05Regionalliga SVM ...16 Jan 2011
3Rossetto Hector (...2285Bolbochan Jacobo ...1-032 ≣A15It
11ZaksBoleslavsky Isaac...25600-131 ≣A48Ch Belarus
119Lyrberg Patrik (SWE)2405Bologan Viktor (MDA)26001-028 ≣E90It (open)
70Ree Hans (NED)2379Bosboom Manuel (NED)23550-130 ≣A05It
243Cazzaniga Walter ...2077Bosi Clint (ITA)19901-033 ≣E90It (open)06 Dec 2004
277Gulim MarceloBrandao Evandro (...20890-133 ≣E90It (open)21 Mar 2008
17Bukic Enver (SLO)2383Brinck-Claussen B...22631-030 ≣A05Olympiad (student...
220Bohnsack Ralf (GER)2214Brinkmann Wilhelm...1-031 ≣A48Oberliga North No...20 Oct 2002
233Filimonov YaroslavBriukhovich Alexandr0-130 ≣E73Memorial I.Stepichev19 Dec 2003
140Tran Ngoc QuynhBui Ngoc Anh0-133 ≣A48Ch Vietnam (team)
15Najdorf Miguel (POL)2445Byrne Robert E (USA)24340-136 ≣E90?
84Gamboa Nelson (COL)2367Cadavid A1-034 ≣A53It
147Solana Suarez Ern...2320Canaves Juan1-028 ≣E60Ch Spain (team) (...
153Aramuni Jorge Eli...2213Capanema Antonio1-035 ≣E90It (open)
34Mazzoni Guy (FRA)2191Casa Alex (FRA)21931-030 ≣E90It (b)
60Ravikumar Vaidyan...2395Casa Alex (FRA)21931-031 ≣E73It (open)
307Campos Otavio Mor...1823Cascao Bruno Aguiar1-021 ≣A48It (open)17 Sep 2011
86Guercia Sammarco ECelestini Mauro (...0-111 ≣A16?
88Soto OCerpa Deniz Jose ...20850-124 ≣A05It (open)
196Izquierdo Daniel ...2265Chargonia Alfredo1-036 ≣A48Ch Uruguay (team)
1Bazan Osvaldo (ARG)2260Chemes Luis1-027 ≣E73It
244Jurkiewicz Krzysz...2151Cherednichenko El...20001-029 ≣E73It (open) (b)20 Aug 2005
107Von Malm HeikeCleven Maria (GER)20570-135 ≣E90NRW-liga (juniors...
275Pinto Antonio (POR)2041Codenotti Marco (...20500-129 ≣A05Ch Provinciale LI20 Jan 2008
117Diamond Jim A (USA)2199Colure Thomas Sea...22441-035 ≣A05It \
221Maidanik Armando ...2003Converset Juan Jo...22520-133 ≣E73It (open)
62Jussupow Artur (GER)2600Correa Aron A (BRA)22951-031 ≣E70Ch World (team) (...
36Moberly R Walter LCox David (IRL)23001-031 ≣A53It (open) (junior...
228Torrezani Eduardo...2080Cuel Amos B18000-135 ≣A48Tournament (open) \15 Aug 2003
240Zawierucha Aleksa...2042Czyz Artur (POL)19911-033 ≣E90Ch Poland (team) ...09 Sep 2004
249Antonova Nadezhda...1888Dauletova Gulmira...21510-131 ≣E90Olympiad (w)21 May 2006
159Haydon R (ENG)2173De Coverly Roger ...20470-125 ≣A05Ch England (team)...
123Candela Perez Jos...2310De Esteban Jose1-036 ≣E90It (open)
227Laketic Gojko (SRB)2432Del Rio Angelis S...24911-035 ≣A05Ch Italy (team) (...11 May 2003
175Sbarra Marco (ITA)2270De Palma Diego (ITA)21351-021 ≣E90It (open)
161Van Dongen Cor (NED)2354De Pender Paul (NED)21910-134 ≣E90Ch Netherlands (j...
211Akochik VictorDe Schiffart Sipke1-033 ≣A05It (open) (b)
168Andres MontousseDiaz Caramazana J...19071-030 ≣E90Ch Asturias (team...
217Hormaeche Pablo (...2112Diaz Fuenzalida J...20361-032 ≣E90Ch Pan-American (...
313Torres Jose Danie...2153Diaz Illescas Jua...0-133 ≣A48Ch Venezuela (exp...21 Jun 2012
304Laketic Gojko (SRB)2439Di Mantino Mauro19541-032 ≣A48Tournament (open)27 Jul 2011
255Lirindzakis Timot...2373Dimitriadis Theod...19311-027 ≣E73It \02 Sep 2006
78Effert Kai (GER)2275Doerflinger Josef...22201-036 ≣E90Bundesliga 1988/8...
79Freise ReinhardDoerr Klaus0-126 ≣A48It (open) (c)
47Ree Hans (NED)2440Donner Jan-Hein (...24801-029 ≣A15It (cat.11)
25Kapengut Albert Z...2402Dzindzichashvili ...25501-033 ≣E90Ch URS (1/2 final)
245Czakon Jakub (POL)2477Dziuba Marcin (POL)24941-036 ≣A48Ch Poland (team) ...06 Sep 2005
87Tsemekhman Vadim ...2355Eagle C1-036 ≣A48It
185Kachiani-G Ketino...2427Eisenbeis Norman ...21790-135 ≣E90It (open)
94Flor AEltrich Martin (GER)19980-134 ≣A16Ch Oberschwaben (b)
115Fyllingen Roy Har...2330Ernst Thomas (SWE)24850-130 ≣A41It (open)
199Scholz Christian ...2324Eschle Hubert (GER)19451-032 ≣E90It (open)26 Dec 2000
206Bottino Alexiei (...2101Faraoni Enrico (ITA)21820-130 ≣A40It (open)
200Suarez Montousse ...1980Fernandez Trivino...19281-034 ≣E61Ch Asturia (team)...
2Tal Mikhail N (LAT)2520Fischer Robert J ...27801-034 ≣E73Tournament (candi...
263Janzelj Tim (SLO)1953Flander Nejc (SLO)18120-134 ≣A05Ch Slovenia (juni...28 Feb 2007
55Jagodzinski Walde...2029Flis Jacek (POL)23021-026 ≣A16It (a)
16Littlewood John E...2137Franklin Michael ...21911-035 ≣E70It
98Heineck ChristinaFuchs Antje (GER)21240-122 ≣A04Bundesliga (2nd) ...
308Monteiro Sara (POR)1862Gabriel Agna Sola...16041-024 ≣A48Ch Portugal (w)18 Dec 2011
219Sbarra Marco (ITA)2220Gagliardi Christi...21381-034 ≣B07It (open)13 Oct 2002
69Lacroix Serge (CAN)2060Gagnon Michel (CAN)20431-028 ≣E70Ch Quebec (qual)
238Recine Leonel (URU)2041Genta Alejandro (...21450-117 ≣E90It05 Aug 2004
9O'kelly De Galway...2460Gligoric Svetozar...24470-136 ≣E90Izt
110Annakov Babakuli ...2429Golod Vitali (ISR)25790-135 ≣E73It
230Sambuco Salomone ...2000Gonzalez Marcos (...22050-133 ≣A48It (open)21 Sep 2003
137Camarena Gimenez ...2397Grau Dominguez En...22060-132 ≣E90Ch Aragon (team)
148Grothkopp DietrichHachmann Bjoern0-131 ≣A53It (open)
281Haas Bernhard (AUT)2004Hackbarth Wolfgan...21490-121 ≣E90Ch Austria (qual)23 Jul 2008
232Keto HannuHeikkinen Jyrki0-131 ≣A16Ch Finland (team)...16 Nov 2003
68Ligterink Gert (NED)2470Hendriks Willy (NED)24271-034 ≣A40Ch Netherlands (t...
259Dittmar Thomas2003Hirn Oskar (GER)22090-135 ≣E90Ch Mittelfranken ...22 Oct 2006
305Stanec Nikolaus (...2543Holzer Gerhard (AUT)21831-036 ≣A48It (open)14 Aug 2011
20Damjanovic Mato (...2303Hort Vlastimil (GER)24660-132 ≣E73It