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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
229Herrera Laura (ARG)2145Ramos Daniela (CHI)19271-014 ≣E73Zt (w)
238Recine Leonel (URU)2041Genta Alejandro (...21450-117 ≣E90It05 Aug 2004
189Kaptsan Aron (CAN)2170Khedkar Jay S1-019 ≣E90Ch Manitoba (open)
258Gohla Ulf (GER)2206Michalik F20960-119 ≣E90Ch NRW07 Oct 2006
216Kolesnikov Evgeny...2300Pileckis Emilis (...21880-120 ≣E90Ch Europe (junior...
310Pozdniakov Vladim...Ivaneko Alexander1-020 ≣E73Tournament (Elo)29 Jan 2012
175Sbarra Marco (ITA)2270De Palma Diego (ITA)21351-021 ≣E90It (open)
269Aishwarya GorthySweety Patel (IND)19830-121E90Ch Asia (juniors)...27 Aug 2007
152Messina Rosario1540Bellipanni Piero ...20880-121 ≣E73It
207Huss Andreas (SUI)2344Jovanovic Dobrica...21641-021 ≣E90It (open)
281Haas Bernhard (AUT)2004Hackbarth Wolfgan...21490-121 ≣E90Ch Austria (qual)23 Jul 2008
276Norri Joose (FIN)2356Virtanen Antti (FIN)23230-121 ≣E73Ch Finland (team)...08 Mar 2008
24Weiss Leo (AUT)2157Walther Edgar (SUI)22540-122 ≣E73Olympiad
133Savitskaya Ekater...2170Miroshnichenko Ni...20861-022 ≣E70It (open)
242Larrea Manuel (URU)2279Mareco Sandro (ARG)21871-022 ≣E90Memorial M.Najdor...04 Oct 2004
173Bongini MauroNapoli Ferdinando...17400-122 ≣E90Ch Provinciale CO
155Lanin BorisOleshkovich V0-123 ≣E90Ch Russia (corr.)...
113Ravi Lanka (IND)2425Balasubramaniun R...22741-023 ≣E90It (open)
306Rodriguez Rejano ...Medina Masdeu Ras...18280-123 ≣E90It (open)17 Aug 2011
174Lyrberg Patrik (SWE)2415Mortensen Erling ...24650-123 ≣E90It (open)
163Valenzuela Fuente...2355Rios Mauricio (COL)23051-024 ≣E73Ch World (team) (...
23Kanko Ilkka (FIN)2231Litllewood J1-024 ≣E73Olympiad
35Haik Aldo (FRA)2390Runau Ralf Dr (GER)23400-124 ≣E73It (open) (junior...
284Lada Marek (POL)2201Michniewski Tomas...22150-124 ≣E90Tournament (Elo) \17 Oct 2008
195Ladanyi Tibor (HUN)2265Levic Miroslav (SRB)22541-024 ≣E73Ch Hungary (team)...
197Mira Helene (AUT)2118Kradolfer Conny (...20321-024 ≣E73Ch Switzerland (w...
270Rizza Francesco (...2047Valguarnera Girol...21730-125 ≣E90It (open)02 Sep 2007
241Huss Andreas (SUI)2332Pinol Fabrice (SUI)20721-025 ≣E90It15 Sep 2004
19Johannessen Svein...2273Bjornsson Tomas (...21621-025 ≣E73It
298Franca Veronika (...1774Bernik Alja (SLO)16901-025 ≣E90Ch Slovenia (juni...
14Lokvenc Josef (AUT)Szabo Laszlo (HUN)19030-125 ≣E73Memorial L.Asztalos
299Karaca Cahit (TUR)1677Percin Onder1-025 ≣E73Ch World (schools)30 Jul 2010
252Sanetra Szymon (POL)2048Pigula Marek (POL)20761-025 ≣E90Tournament (Elo)14 Jul 2006
83Sdrojewski WPoldauf Dirk (GER)23850-125 ≣E73It
291Vince Andrea (SRB)2092Milosavljevic Mil...17861-025 ≣E73It (open) (b)18 Jul 2009
231Tencati Giuseppe ...2096Terbonati Paolo (...19311-025 ≣E90Tournament (weekend)19 Oct 2003
13Kolarov Atanas S ...2415Stefanov Josif1-025 ≣E90Ch Bulgaria11 Feb 1962
192Gunyecz Zoltan (HUN)1978Zalai Mihaly (HUN)20680-125E90It (open) \18 Jul 1999
85Misanovic Vesna (...2326Nikolin Zorica (SRB)21641-026 ≣E73Ch Yugoslavia (team)
129Vescovi Giovanni ...2465Manhardt Thomas (...21481-026 ≣E70Ch World (juniors...
28Balashov Yuri S (...2439Penrose Jonathan ...24051-026 ≣E90It
139Lobato Gomez Juan...Ignacio Bajo0-127 ≣E90Ch Asturias (team...
256Vince Viola (HUN)1859Marjanovic Novka ...17731-027 ≣E73Ch Europe (junior...16 Sep 2006
302Scholz Christian ...2387Poldauf Dirk (GER)23851-027 ≣E90Bundesliga 2010/1105 Feb 2011
293Ruiz Vinals Matia...2101Alemany Jara Alej...17860-127 ≣E90Ch Spain02 Oct 2009
1Bazan Osvaldo (ARG)2260Chemes Luis1-027 ≣E73It
136Candela Perez Jos...2320Lanka Zigurds (LAT)24800-127 ≣E90It (open)
255Lirindzakis Timot...2373Dimitriadis Theod...19311-027 ≣E73It \02 Sep 2006
131Mai Thanh HuongTran T Minh Chau1-027 ≣E90Tournament (open)...
134Mikulas Vladimir ...2125Komora Andrej (SVK)21100-127 ≣E73Slovak League (2n...
225Jehle Anja (GER)1963Laake Jasmin (GER)19650-128 ≣E90Ch Germany (junio...
213Nikolaev Leonid (...2301Novikova Margarit...20931-028 ≣E90Memorial I.Stepichev
69Lacroix Serge (CAN)2060Gagnon Michel (CAN)20431-028 ≣E70Ch Quebec (qual)
194Sole Rota David (...2082Masip Tressera Or...21101-028 ≣E90It (open)
287Sbarra Marco (ITA)2219Volpi Davide (ITA)20051-028 ≣E90Tournament (open)02 May 2009
209Toniutti Ezio (ARG)2069Mareco Sandro (ARG)25970-128 ≣E90Ch Argentina (jun...
160Schlager Thomas (...2262Kapfer Thomas (GER)21590-128 ≣E73Oberliga Baden 19...
119Lyrberg Patrik (SWE)2405Bologan Viktor (MDA)26001-028 ≣E90It (open)
101Koch UdoSeywald Ralf0-128E90It (open)
27Kuzmichev AMovshovich Gennad...22851-028 ≣E73Ch Russia (1/2 fi...
42Hort Vlastimil (GER)2600Krstic Slobodan (...20801-028 ≣E73Olympiad
54Kapengut Albert Z...2465Zelkind Eduard (USA)21771-028 ≣E73Ch Belarus
147Solana Suarez Ern...2320Canaves Juan1-028 ≣E60Ch Spain (team) (...
29Kestler Hans-Guen...2323Watzka Horst (AUT)22531-028 ≣E70Cup Clare Benedict
149Babula Vlastimil ...2545Stocek Jiri (CZE)24601-029 ≣E90It (open) \
103Kumaran Dharshan ...2425Joyce John (IRL)22111-029 ≣E70it (open) (zt)
244Jurkiewicz Krzysz...2151Cherednichenko El...20001-029 ≣E73It (open) (b)20 Aug 2005
172Vega Viejo Marcel...2135Villar Del Llano ...1-029 ≣E73It (open)
50Kosorotow PSiegl Erich0-129 ≣E73Europe Tournament...
53Chen Tsung (GER)2285Olafsson Helgi (ISL)22700-129 ≣E90Olympiad
57Mueller WilliamZipfel Frank (GER)21500-129 ≣E73corr.
222Souza Neves Andre...2200Leda Cayro1-029 ≣E90It (open) \
285Roberto JoseAsfora Marco (BRA)22311-030 ≣E90Tournament (Elo)27 Mar 2009
4Tal Mikhail N (LAT)2520Pietzsch Wolfgang...24201-030 ≣E73It
168Andres MontousseDiaz Caramazana J...19071-030 ≣E90Ch Asturias (team...
61Unger Thomas (USA)2295Meyer John C (USA)22841-030 ≣E70It \
283Isella FacundoLopez Colon Franc...22490-130 ≣E90It \11 Oct 2008
234Krilov Sergey (RUS)2406Yarovov Grigory (...20071-030 ≣E90Ch Russia (junior...
233Filimonov YaroslavBriukhovich Alexandr0-130 ≣E73Memorial I.Stepichev19 Dec 2003
34Mazzoni Guy (FRA)2191Casa Alex (FRA)21931-030 ≣E90It (b)
314Bauer Bjoern Benny1866Schirra Maurice16301-030 ≣E73Ch Germany (junio...15 Sep 2012
224Parraga Alejandro...2186Pizarro Marcelo (...1-030 ≣E90Ch Bolivia
10Vesely Jaromir (CZE)1979Jansa Vlastimil (...24780-131 ≣E73Ch Czechoslovakia
37Dzuban Oleg I (KAZ)2362Vinkel Valery (KAZ)1-031 ≣E73Ch Kazakhstan
62Jussupow Artur (GER)2600Correa Aron A (BRA)22951-031 ≣E70Ch World (team) (...
93Bollinger MPohl A0-131 ≣E90Ch Oberschwaben (b)
26Kapengut Albert Z...2402Tseitlin Mark D (...24031-031 ≣E70?
22Wade Robert G (ENG)2148Myant MR1-031 ≣E90Tournament
60Ravikumar Vaidyan...2395Casa Alex (FRA)21931-031 ≣E73It (open)
151Mangwengwende Joh...2108Williams Leighton...21351-031 ≣E90Olympiad
102Lanjani A NAmiri S1-031 ≣E73It (open)
249Antonova Nadezhda...1888Dauletova Gulmira...21510-131 ≣E90Olympiad (w)21 May 2006
99Piskov Yury (RUS)2500Velikhanli Firuza...22621-031 ≣E73It (open)
105Tuominen Risto (FIN)2283Lehti Juhani (FIN)22331-031 ≣E73It (open) \
292Rusev Aleksandar ...2219Miotto Alessandro20261-031 ≣E90Ch Switzerland (t...06 Sep 2009
312Rodriguez Sofia (...Mesa Brenda Sofia...1-031 ≣E90Ch Colombia (juni...18 Jun 2012
169Ferreira Oscar (PAR)2286Zarza Ronald (PAR)20611-031 ≣E90Ch Paraguay
217Hormaeche Pablo (...2112Diaz Fuenzalida J...20361-032 ≣E90Ch Pan-American (...
92Sachs Thomas (GER)1993Tutt B0-132 ≣E90It (open)
137Camarena Gimenez ...2397Grau Dominguez En...22060-132 ≣E90Ch Aragon (team)