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Ruy Lopez, Open, Howell Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9.Qe2

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
614Olsar Jaroslav (CZE)2266Zvarik Martin (SVK)22731-028 ≣C70Ch Slovakia (team...07 Nov 2010
458O'Neale RCColeman G17501-046 ≣C70It
270Oppermann PWeber Hubert0-121 ≣C70corr.
349OsbornMcDonald0-128 ≣C70corr.
628Ospanov Nazar (KAZ)2275Karmenov Berik (KAZ)21231-027 ≣C70It (open)06 Dec 2011
252Ossewaarde JVan Loon H0-125 ≣C70corr.
202Ostojic Predrag (...2430Beni Alfred (AUT)22001-043 ≣C70Memorial C.Schlec...21 Sep 1971
268Ostojic Predrag (...2480Szmetan Jorge (ARG)24350-130 ≣C70?
277Ostojic Predrag (...2480Passerotti Pierlu...22521-030 ≣C70It
582Ouwens Bert (NED)1977Kubbenga Michael ...20411-021 ≣C70It (open)10 Jun 2007
74Ozsvath Andras (HUN)2158Honfi Karoly (HUN)23650-125 ≣C70?
607Padmini Rout (IND)2326Melekhina Alisa (...22731-041 ≣C70Ch World (juniors...15 Aug 2010
442Paglilla Carlos (...2325Ibar Marcelo (ARG)23001-044 ≣C70It (open) \
592Palac Mladen (CRO)2583Di Fonzo Valerio ...22121-036 ≣C70Ch Italy (team)02 May 2008
435Palos Osman (BIH)2336Haba Petr (CZE)25050-135 ≣C70It (open)
298Panchenko Alexand...2485Kharitonov Andrei...25250-144 ≣C70Memorial M.Chigorin
33Pappier Carlos (ARG)2202Puiggros Guillermo0-140 ≣C70Ch Argentina
194Parma Bruno (SLO)2530Peters Paul (LUX)18521-039 ≣C70It
100Parma Bruno (SLO)2480Pilnik Hermann (GER)0-144 ≣C70It (a)
463Pasalic Mehmed (GER)2355Gundlach Frank (GER)21501-041 ≣C70It (open)
447Patterson Roger (...2107Krupka David1-021 ≣C70It (open)
229Pavlov Mircea (ROM)2355Macarie Emil (ROM)1-050 ≣C70Ch Romania
461Peptan Corina-Isa...2255Polgar Sofia (HUN)24500-129 ≣C70Olympiad (w)
585Pesantes Aucay Jo...2124Toniutti Ezio (ARG)21321-040 ≣C70Ch Pan-American (...20 Aug 2007
70Petersen ErikNorman Hansen Holger1-019 ≣C70?
357Petrenko VICreus Antonio1-032 ≣C70Europe Tournament...
69Petrosian Tigran ...2580Lilienthal Andor ...23851-041 ≣C70Game (exhibition)
608Petrov Marijan (BUL)2550Erdogdu Mert (TUR)24281-040 ≣C70It \30 Aug 2010
446PetuniaTouch1-045 ≣C70It (computers)
123Pihlajinen JormaAalto Toivo1-037 ≣C70?
170Pihlajinen JormaNylund Tauno1-027 ≣C70?
12Pilnik Hermann (GER)Garcia Balado L1-041 ≣C70It
399PinternagelBrock Friedemann ...22381-046 ≣C70corr.
369Planas RodHromada Vaclav (CZE)20651-041 ≣C70Olympiad (corr.)
184Poch Caesar G (ARG)2300Rossetto Hector (...24500-150 ≣C70?
532Polacik IKunovsky Daniel (...20690-142 ≣C70Ch Slovakia (team...
272Polak JanEriksson Mats (SWE)21471-017 ≣C70Europe Tournament...
114Polgar Istvan (HUN)2425Honfi Karoly (HUN)23650-136 ≣C70Ch Hungary
132Polo Gomez Vicent...2212Bartis Gustavo (ARG)22501-031 ≣C70Ch Club Argentino
556Postler Reinhard ...2313Maniocha Marek (GER)20551-041 ≣C70It (open) \20 May 2004
93Puc Stojan (SLO)2255Cuderman Vinko1-038 ≣C70Ch Yugoslavia
422Punt WoutOosterhoff J0-127 ≣C70corr.
421Punt WoutLuuring1-020 ≣C70corr.
57Pupols Viktors (USA)2155Kalme Charles I (...23300-132 ≣C70?
586Purgar Ivona (CRO)2023Lasic Luka (CRO)22341-034 ≣C70It (open)22 Aug 2007
505Radocaj Radmila (...2115Dokmanovic Nina (...21211-047 ≣C70Ch Croatia (team)...
68Ragozin Viachesla...Ravinsky Grigory ...0-134 ≣C70Ch Moscow
58RangVinkel Valery (KAZ)1-022 ≣C70?
315Rasanen ErkkiHenriksson Per0-139 ≣C70?
396Rehn Eino (FIN)1890Lof Sven0-139 ≣C70?
547Rehurek Lukas (CZE)2165Nabelek Marek (CZE)21771-048 ≣C70Moravian League 2...
220Reichenbacher Ger...1840Kramer Svend Erik...20710-128 ≣C70Europe Tournament...
615Reyes Rios Juan C...1996Cuellar Ulises (PER)19771-034 ≣C70Ch Pan-American (...19 Nov 2010
289Richter JosephSchaedlich M1-033 ≣C70corr.
206Richter Maik (GER)2186Neubert Gerhard (...19900-140 ≣C70corr.
543Rietveld Renze (NED)2291Tan Richard0-122 ≣C70It (open) (junior...
212Robatsch Karl (AUT)2460Ujtumen Tudev (MGL)24000-140 ≣C70Olympiad
623Robichaud Louis (...2114Papineau Daniel1-019 ≣C70Ch City (open)10 Sep 2011
201Rodriguez Alberto...2350Mahsheimer A1-049 ≣C70It (open)
253Rodriguez Alberto...2035Buj Pablo1-045C70Tournament (team)
162Rodriguez RosemanBuj Pablo0-119 ≣C70?
195Rogoff Kenneth S ...2425Lacalle Antonio1-034 ≣C70It
562Rojicek Vojtech (...2175Walach Marcin (POL)24060-126 ≣C70It \25 Mar 2005
597Rojicek Vojtech (...2405Mazur Stefan (SVK)23621-040 ≣C70Cup Arcimpex (cat.3)09 Apr 2009
631Rontescu MihneaStefan Mihai15921-047 ≣C70Ch Romania (team)...04 Sep 2012
215Roosen Holger (GER)2220Boeven Manfred (GER)21491-040 ≣C70Ch BRD (corr.)
165Rosenberg MatthewSaidi A1-044 ≣C70Ch World (team) (...10 Aug 1969
295Rosenhahn Eberhar...2149Soldner Hartmut0-132 ≣C70corr.
167Rosen Willy (GER)2302Russ H1-033C70corr.
477Rosen Willy (GER)2270Winter Irene (GER)20111-037 ≣C70Ch Germany (seniors)
75Rossetto Hector (...2285Estrada Degrandi ...1-031 ≣C70?
362Rostalski Walter ...2230Bobzin Pierre (GER)21961-032 ≣C70Tournament
438Royo Onde Manuel ...1864Miralles D0-137 ≣C70It (open)
312RubinKaidanov Gregory ...25740-140 ≣C70Ch \
82Rumens David E (ENG)2210Kuijpers Frans A ...22801-031 ≣C70?
539Ruperez Jose AntonioRoa Alonso Santia...23470-127 ≣C70It (open)
216Russ HBoeven Manfred (GER)21491-033 ≣C70Ch BRD (corr.)
490Saharinen Petri (...1857Herlin Sam0-127 ≣C70?
10Sahlmann WalterRoedl Ludwig (GER)0-121 ≣C70Ch BRD
205Sampieri MaurizioDobsa Sandor1-026 ≣C70?
234Sampouw Bachtiar ...Ujtumen Tudev (MGL)24050-134 ≣C70Olympiad
119Sanguinetti Raul ...2485Polo Gomez Vicent...22121-046 ≣C70It
393Sanz Alonso Franc...2420Gallego Jimenez V...23901-031 ≣C70It (open)
303Sauermann Wilfrie...2121Poletaev S1-032 ≣C70World Tournament ...
523Savanovic Aleksan...2421Danilovic Alexand...23640-130 ≣C70Ch Yugoslavia (team)
437Savko Alexei (LAT)2335Manafi R1-038 ≣C70It (open) (juniors)
441Sax Gyula (HUN)2515Mikhalevski Victo...23800-139 ≣C70It (open)
375Scheipl Ralf (GER)2283Schoen Wolfram (GER)24031-028 ≣C70It
424Scherer Helmut (GER)2293Kargoll Boris (GER)22681-039 ≣C70It (open)
553Scherer Helmut (GER)2297Franco Victor (GER)21230-141C70Dos Hermanas Qual...14 Mar 2003
494Schlecker Herbert1829Duemmke Juergen (...21000-132 ≣C70Ch Bahn (team)
285Schlosser WolfgangCampeanu M1-021 ≣C70Europe Tournament...
181Schmid Lothar (GER)2530Kristinsson S1-033 ≣C70Olympiad
125Schmidt Wlodzimie...2370Sydor Andrzej (POL)23251-024 ≣C70Ch Poland
112Schneider Raymond...2285Zegada J1-039 ≣C70Olympiad
540Schoenberger Pete...2152Damm Reiner (GER)20440-128 ≣C70It (open)
142Scholz Guillermo ...2216Machold W1-045 ≣C70corr.
207Scholz Rolf PeterHoehne Eduard1-042 ≣C70corr.
258Schreiber WernerBurger Heinrich (...21590-139 ≣C70Ch BRD (corr.)
90SchroederRhodin Bodo (GER)23351-045 ≣C70Tournament