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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
57Mueller WilliamZipfel Frank (GER)21500-129 ≣E73corr.
54Kapengut Albert Z...2465Zelkind Eduard (USA)21771-028 ≣E73Ch Belarus
169Ferreira Oscar (PAR)2286Zarza Ronald (PAR)20611-031 ≣E90Ch Paraguay
192Gunyecz Zoltan (HUN)1978Zalai Mihaly (HUN)20680-125E90It (open) \18 Jul 1999
262Mayorga Nicolas (...2274Zabala Jorge Adri...20111-028 ≣A05Ch South America ...09 Feb 2007
234Krilov Sergey (RUS)2406Yarovov Grigory (...20071-030 ≣E90Ch Russia (junior...
40Patterson Nichola...2345Withers WR22001-027A15Olympiad
151Mangwengwende Joh...2108Williams Leighton...21351-031 ≣E90Olympiad
66Schuetz Thomas (GER)2295Werner Dimo (GER)21900-130 ≣A48Oberliga NRW 1986/87
29Kestler Hans-Guen...2323Watzka Horst (AUT)22531-028 ≣E70Cup Clare Benedict
45Fried DWatson John L (USA)23331-031 ≣A16It \
31Johannes RonaldWaters P21840-133 ≣A05Ch Great Britain ...
24Weiss Leo (AUT)2157Walther Edgar (SUI)22540-122 ≣E73Olympiad
21Keres Paul (EST)2580Walther Edgar (SUI)22541-036 ≣E90Olympiad
250Headlong Timothy ...2214Wallace Paul (IRL)22420-129 ≣A04Ch England (team)...27 May 2006
58Cramling Dan (SWE)2392Wagman Stuart (USA)21251-033 ≣E90It
32SulkinVooremaa Andres (...22401-035 ≣E90?
287Sbarra Marco (ITA)2219Volpi Davide (ITA)20051-028 ≣E90Tournament (open)02 May 2009
30Karner Hillar (EST)2251Vitolins Alvis (LAT)24350-135 ≣E61It \
276Norri Joose (FIN)2356Virtanen Antti (FIN)23230-121 ≣E73Ch Finland (team)...08 Mar 2008
37Dzuban Oleg I (KAZ)2362Vinkel Valery (KAZ)1-031 ≣E73Ch Kazakhstan
172Vega Viejo Marcel...2135Villar Del Llano ...1-029 ≣E73It (open)
202Nevednichy Vladis...2593Vidal Guillaume (...20491-028 ≣A16It (open)
97Nielsen Peter Hei...2405Vezzani Stefano (...21831-025 ≣B06It (open)
99Piskov Yury (RUS)2500Velikhanli Firuza...22621-031 ≣E73It (open)
142Adam Petr (CZE)2116Vasek Vladimir (CZE)19561-033 ≣E73Ch Moravia (open)
104MaffeiVari1-036 ≣E90corr.
8Broden Per (SWE)1972Vankevi0-133 ≣E73Olympiad (student...
270Rizza Francesco (...2047Valguarnera Girol...21730-125 ≣E90It (open)02 Sep 2007
311Fernando Diogo (POR)2466Valdes Maritza (POR)21551-029 ≣A53Cup Portugal (final)27 May 2012
72Szmetan Jorge (ARG)2372Urday Henry (PER)24820-126 ≣A05It
236Okoneshnikova Gal...Ukrainskaya Svetl...0-130 ≣A42Ch Russia (junior...
92Sachs Thomas (GER)1993Tutt B0-132 ≣E90It (open)
114Hubert Ralf (GER)2293Tuerk Philipp (GER)21501-033 ≣E90It (open) \
26Kapengut Albert Z...2402Tseitlin Mark D (...24031-031 ≣E70?
131Mai Thanh HuongTran T Minh Chau1-027 ≣E90Tournament (open)...
145Palacios Perez Ma...2192Torres Saulo1-026 ≣A53Olympiade (blindf...
218Kulakov Viachesla...2121Tolstikh Nikolay ...24580-136 ≣A42It (open)
178Edlinger WilhelmTobisch Manfred D...20590-126 ≣A48It (open)
76Meiser Markus (GER)2205Tischendorf Micha...21860-126 ≣A48It (open)
268Qurbonboeva Sarvi...2031Thilakawarena Sup...16261-035 ≣A16Ch Asia (juniors)...25 Aug 2007
77Szypulski Andrzej...2405Terzic Safet (BIH)22650-112 ≣A48It
231Tencati Giuseppe ...2096Terbonati Paolo (...19311-025 ≣E90Tournament (weekend)19 Oct 2003
73Reznicek Jan (CZE)2185Tejkal Jiri (CZE)19781-032 ≣A05It
282Valle Adriano (BRA)2307Teixeira Aloisio ...20011-031 ≣A05Tournament20 Sep 2008
14Lokvenc Josef (AUT)Szabo Laszlo (HUN)19030-125 ≣E73Memorial L.Asztalos
269Aishwarya GorthySweety Patel (IND)19830-121E90Ch Asia (juniors)...27 Aug 2007
56Rogers Ian (AUS)2545Suradiradja Herma...22381-036 ≣A16It
149Babula Vlastimil ...2545Stocek Jiri (CZE)24601-029 ≣E90It (open) \
132Piepenburg RolfStimpel Franz (GER)21791-024 ≣A05Oberliga 1994/95
156Fiedler Bedrich (...2107Stejskal Drahosla...20301-036 ≣A48Czech League 1996...
13Kolarov Atanas S ...2415Stefanov Josif1-025 ≣E90Ch Bulgaria11 Feb 1962
18Maedler Juergen D...2241Starck Bodo (GER)22481-036 ≣E73Ch DDR
203Seidel Juergen (GER)2023Spencer Andrew1-032 ≣A48Hessenliga 2000/01
71Blomberg AnteroSockel Karl-Heinz1-025 ≣A48corr.
89Pytel Bozena (FRA)1919Smirin Ilia (ISR)26780-131 ≣A48It (open)
50Kosorotow PSiegl Erich0-129 ≣E73Europe Tournament...
7Serebrisky Alexan...Shianovsky Vladis...22550-135 ≣E70Ch \
101Koch UdoSeywald Ralf0-128E90It (open)
190Sheldon Ruth (ENG)2310Sergeeva Maria (KAZ)22080-134E73Ch World (juniors...
164Gavin Roche Enriq...2253Sebastian Ruben1-027 ≣A40It (open)
208Bohnsack Ralf (GER)2212Schwarz Frank (GER)22460-133 ≣A48Ch Schleswig Hols...
74Titz Heimo (AUT)2202Schoeppl Engelber...22041-035 ≣A15Staatsliga
96Ferkingstad Gro (...2053Schmid Shahanah (...20690-127 ≣A48Ch World (juniors...
143Kislinger Georg2025Schmidbauer Franz19001-035 ≣A48Bayern Regionalli...
314Bauer Bjoern Benny1866Schirra Maurice16301-030 ≣E73Ch Germany (junio...15 Sep 2012
261Cesarano Marco1782Schingaro Angelo ...16911-022 ≣A48Ch Provinciale VA28 Jan 2007
91Borst Johan (NED)2258Schenkel Edward0-133 ≣E90corr.
247Naumkin Igor (RUS)2495Scerbo Antonio (ITA)21071-036 ≣E90It (open)26 Apr 2006
44Savadkouhi Massou...2200Salinas22001-033 ≣B06Olympiad
267Klitaa Ib1606Salama Omar (EGY)22320-128 ≣A46Cup North Sea (open)14 Jul 2007
90Minogina Tamara (...2244Rzepka R1-035 ≣E90It \
35Haik Aldo (FRA)2390Runau Ralf Dr (GER)23400-124 ≣E73It (open) (junior...
46Bazan Osvaldo (ARG)2260Rossetto Hector (...24350-134 ≣A16Ch Argentina
167Navarro Emanuele ...2184Rocchi Riccardo1-029 ≣A48Tournament (open)...
163Valenzuela Fuente...2355Rios Mauricio (COL)23051-024 ≣E73Ch World (team) (...
6Wexler Bernardo (...Reshevsky Samuel ...24300-135 ≣A16It
5Dominguez CristobalReinhardt Enrique...0-131 ≣B07Ch Argentina
229Herrera Laura (ARG)2145Ramos Daniela (CHI)19271-014 ≣E73Zt (w)
188Tribuiani Renato ...2128Rago Riccardo (ITA)21750-128A05It (open)
49Bernat Miguel (ARG)2380Quarracino Carlos...22170-132 ≣E61Ch Argentina (qual)
106Wikstrom Robert (...2120Proschinger T (SWE)1-036 ≣E70Ch Sweden
288Goldwaser Christi...2356Preuss Maximilian...21140-124 ≣A05Ch Argentina (team)16 May 2009
128Lyrberg Patrik (SWE)2400Poldauf Dirk (GER)24150-133 ≣E90It (open)
302Scholz Christian ...2387Poldauf Dirk (GER)23851-027 ≣E90Bundesliga 2010/1105 Feb 2011
83Sdrojewski WPoldauf Dirk (GER)23850-125 ≣E73It
93Bollinger MPohl A0-131 ≣E90Ch Oberschwaben (b)
224Parraga Alejandro...2186Pizarro Marcelo (...1-030 ≣E90Ch Bolivia
181Naumkin Igor (RUS)2475Piscopo Pierluigi...23731-033 ≣E90It (open) (a)
241Huss Andreas (SUI)2332Pinol Fabrice (SUI)20721-025 ≣E90It15 Sep 2004
216Kolesnikov Evgeny...2300Pileckis Emilis (...21880-120 ≣E90Ch Europe (junior...
252Sanetra Szymon (POL)2048Pigula Marek (POL)20761-025 ≣E90Tournament (Elo)14 Jul 2006
4Tal Mikhail N (LAT)2520Pietzsch Wolfgang...24201-030 ≣E73It
215Kanko Ilkka (FIN)2294Pietinen Pekka (FIN)20951-032 ≣A41Ch Finland (open)
251Hansen Max (DEN)2020Petersen Tom Petr...22590-128 ≣B06Cup North Sea (open)08 Jul 2006
124Horvath Gyula (HUN)2445Pesztericz Laszlo...21301-033 ≣A10It (open)
299Karaca Cahit (TUR)1677Percin Onder1-025 ≣E73Ch World (schools)30 Jul 2010
28Balashov Yuri S (...2439Penrose Jonathan ...24051-026 ≣E90It
165Baron Rodriguez J...2283Pascual Paredes J...23181-031 ≣A48Ch Spain (juniors)
294Guerrero Dublas (...2236Parra Emiliano (CUB)21591-034 ≣E90Ch Provincial