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dufferps
Member since Nov-20-09
My username tells the level of my play. I enjoy chess even though I'm not a strong player. I was away from chess for a couple of decades when I got more involved in outdoor activities - rock climbing and other such.

Now that my body is not serving me so well in those activities, I have come back to playing chess. But age is also slowing down my mental capacities, so I'm probably getting weaker rather than stronger in chess. That doesn't keep me from enjoying it.

I live in Pittsburgh, USA.


   dufferps has kibitzed 138 times to chessgames   [less...]
   Apr-17-17 S Schweber vs Spassky, 1955 (replies)
 
dufferps: I missed the Rd1 deflection/pin of white's Queen. I was fixed on Qh8+? -- white King escapes to f2, then to e1.
 
   Feb-20-17 Lagno vs Kosteniuk, 2007 (replies)
 
dufferps: I think black would do better with 33. ... Ke8, but he loses anyway.
 
   Dec-27-16 G Andruet vs Van der Wiel, 1985 (replies)
 
dufferps: I expected white to play 32.exd5, keeping the e2 sqare protected by the bishop.
 
   Dec-06-16 I Bahgat vs R Cardoso, 1957 (replies)
 
dufferps: Like some others, I made the same bad move as loser Bahgat. Good Lesson.
 
   Oct-13-16 J Penrose vs Tartakower, 1950 (replies)
 
dufferps: Nice when GMs play it to the end - even when the forced winning line is quite obvious - gives us stuggling players a chance to check our game skills.
 
   Aug-16-16 D Orzech vs N Popova, 2009 (replies)
 
dufferps: White is probably doomed after 24. ... Rxc3. However, 25.Qb1 would have prolonged the game quite a bit and given white some breathing space. I see: 25. Qb1 Rb3 (threaten Rxb2) 26. Rxf3 Bxf3 (White's Q is overworked) 27. Qc2 Rxb2 28. Qc1 Bc3+ 29. Kf1 Rd2 (Finally stacks ...
 
   May-10-16 A Adamski vs G Szilagyi, 1976 (replies)
 
dufferps: It was a good lesson for me to work out the end game for white - must get my king ahead of my c-pawn to avoid stalemate. I can stop promotion at h1 with my king after I get my queen.
 
   May-04-16 A Caoili vs C Rodriguez Monteiro, 1996 (replies)
 
dufferps: I should have mentioned ... After 25.Bxg5 Rxg5+ 26.Ng3 Qxh3. white would follow with advancing his pawn to c4 -- letting black's bishop capture his queen would not be a good trade, especially now that he's lost both Bishops.
 
   May-01-16 P Popovic vs Timman, 2006 (replies)
 
dufferps: Yes, the next two moves are intuitive. After that it is hard to see the line,.
 
   Apr-19-16 M S Tseitlin vs A Mikhalevski, 1996 (replies)
 
dufferps: Yes, black can answer with 38. ... Nc6, but white advances his b-pawn, and I see no way for black to hold on.
 
   Apr-18-16 E J Diemer vs R Sutterer, 1949 (replies)
   Apr-05-16 S Bjerke vs M Freitag, 2014 (replies)
   Mar-05-16 Matulovic vs Unzicker, 1969 (replies)
   Feb-12-16 B Lalic vs L Trent, 2008 (replies)
   Nov-24-14 H Pohlenz vs M Pinel, 1994 (replies)
   Oct-27-14 NN vs V Grimm, 1864 (replies)
   Aug-29-14 J Seoane vs I Prieto, 1986 (replies)
   Aug-26-14 Botvinnik vs N Sorokin, 1933
   Aug-11-14 D Maric vs J Schmehl, 2004 (replies)
   Jul-22-14 A Suarez Real vs A Alonso Alvarez, 2014 (replies)
   Jun-18-14 S Baldazzi vs A Holmsten, 2001 (replies)
   Jun-04-14 Keres vs Spassky, 1955 (replies)
   May-29-14 Movsesian vs R Edouard, 2013 (replies)
   Apr-02-14 Marshall vs Pillsbury, 1904 (replies)
   Mar-31-14 de Firmian vs N Ristic, 1981 (replies)
   Mar-25-14 Maroczy vs G Beihoff, 1926 (replies)
   Mar-13-14 Boquay vs NN, 1864 (replies)
   Feb-21-14 Shirov vs I Papaioannou, 2009 (replies)
   Feb-12-14 J Moeller vs F Englund, 1903 (replies)
   Feb-10-14 A van Weersel vs A Kelly, 2001 (replies)
   Feb-03-14 K Georgiev vs Yu Yangyi, 2013 (replies)
   Jan-01-14 J Schenkein vs Spielmann, 1913 (replies)
   Nov-05-13 Keene vs N J Kalton, 1963 (replies)
   Oct-25-13 R Byrne vs Gligoric, 1963 (replies)
   Oct-24-13 Rubinstein vs M Hirschbein, 1927 (replies)
   Oct-08-13 J Richardson vs A Eva, 1939 (replies)
   Sep-04-13 Kasparov vs Short, 1997 (replies)
   Aug-05-13 M Aulia vs K Lyons, 2012 (replies)
   Aug-03-13 Nimzowitsch vs Tarrasch, 1914 (replies)
   Jul-23-13 E Vorobiov vs A Pijpers, 2012 (replies)
   Jun-04-13 D Barua vs M Damit, 1983 (replies)
   Apr-17-13 P Hoffmann vs R Aschenbrenner, 2009 (replies)
   Apr-10-13 Kasparov vs Yurtaev, 1981 (replies)
   Mar-26-13 R Narmontas vs G Petraitis, 2009 (replies)
   Mar-13-13 W Schmidt vs Henley, 1983 (replies)
   Feb-13-13 W Schmidt vs Jansa, 1983 (replies)
   Jan-15-13 A Kargin vs P Haba, 1998 (replies)
   Nov-15-12 Nisipeanu vs A Dimitrijevic, 2012 (replies)
   Nov-11-12 Nunn vs Sadler, 1993 (replies)
   Nov-05-12 D Sheppard vs R Fischer, 1995 (replies)
   Oct-30-12 de Firmian vs G Burgess, 1995 (replies)
   Oct-26-12 Ribli vs Unzicker, 1995 (replies)
   Oct-15-12 Speelman vs J Durao, 1978 (replies)
   Oct-08-12 Z Czajka vs A Zakaria, 1994 (replies)
   Sep-24-12 P N Andreasen vs H Falberg, 1992
   Sep-17-12 Motylev vs P Jirovsky, 1998 (replies)
   Sep-13-12 Bellon Lopez vs L Popov, 1977 (replies)
   Aug-06-12 C G Ward vs A Summerscale, 1996 (replies)
   Jul-23-12 E Sigurdarson vs H Ragnarsson, 2011 (replies)
   Jul-15-12 Nunn vs Csom, 1977 (replies)
   Jul-03-12 Ziatdinov vs Mikhalevski, 2005 (replies)
   Jun-25-12 W Pietzsch vs Dzindzichashvili, 1965 (replies)
   Jun-24-12 Fischer vs J Sherwin, 1957 (replies)
   Jun-13-12 Sutovsky vs Smirin, 2002 (replies)
   Jun-10-12 E Terpugov vs Petrosian, 1957 (replies)
   Jun-06-12 E Paehtz vs M Seps, 2004 (replies)
   May-30-12 Kasparov vs Bacrot, 2000 (replies)
   Apr-17-12 F N Stephenson vs J Penrose, 1968 (replies)
   Apr-07-12 N Davies vs R J Dive, 1994 (replies)
   Apr-01-12 McShane vs Ni Hua, 2005 (replies)
   Mar-18-12 A Karklins vs A Sandrin, 1990 (replies)
   Mar-13-12 F Englund vs Janowski, 1913 (replies)
   Mar-12-12 P Ricardi vs G Milos, 2001 (replies)
   Mar-10-12 Radjabov vs Karjakin, 2012 (replies)
   Feb-29-12 J Aagaard vs P A Rasmussen, 1996 (replies)
   Feb-02-12 K Treybal vs K Moll, 1907 (replies)
   Nov-21-11 A Kovalev vs H Stevic, 2004 (replies)
   Nov-12-11 Tan Zhongyi vs Gu Xiaobing, 2011 (replies)
   Nov-10-11 J Smeets vs D Brandenburg, 2011 (replies)
   Oct-20-11 T Demetriescu vs Nagy, 1936 (replies)
   Oct-17-11 T Gnirk vs N Katte, 2007 (replies)
   Oct-14-11 M Abbink vs Y H de Rover, 1997 (replies)
   Oct-10-11 A Miltner vs M Thesing, 2006 (replies)
   Oct-06-11 Janowski vs E Schallopp, 1896 (replies)
   Sep-29-11 Kmoch vs Rubinstein, 1926 (replies)
   Sep-25-11 Lasker vs Pirc, 1935 (replies)
   Sep-20-11 Hamppe vs A Schwarz, 1864 (replies)
   Sep-18-11 Polugaevsky vs E Torre, 1984 (replies)
   Aug-28-11 Xie Jun vs A Galliamova, 1990 (replies)
   Aug-26-11 E Paoli vs Smyslov, 1950 (replies)
   Aug-23-11 Schlechter vs J Bendiner, 1893 (replies)
   Aug-16-11 H Reinle vs NN, 1936 (replies)
   Aug-15-11 O Jonsson vs S Peschardt, 2009 (replies)
   Aug-13-11 Sasikiran vs V Laznicka, 2011 (replies)
   Aug-13-11 G Pirisi vs E Szalanczy, 1981 (replies)
   Aug-11-11 Stahlberg vs Alekhine, 1930 (replies)
   May-15-11 Browne vs Shabalov, 1994 (replies)
   May-10-11 T Calistri vs G Gajewski, 2011 (replies)
   Apr-25-11 Alterman vs M Matlak, 1994 (replies)
   Mar-28-11 E Danielian vs Zhu Chen, 2011 (replies)
   Mar-19-11 Speelman vs H Ree, 1978 (replies)
   Feb-27-11 G Grigore vs Holzke, 1993 (replies)
   Feb-08-11 E J Almedina Ortiz vs P Parfenov, 2010 (replies)
   Jan-05-11 H Banikas vs D Kosic, 2008 (replies)
   Jan-04-11 Somacarana vs Cochrane, 1855 (replies)
   Oct-31-10 D Yanjindulam vs T Tsereteli, 2010 (replies)
   Oct-25-10 Sultan Khan vs G A Thomas, 1933 (replies)
   Sep-21-10 A Nogues Acuna vs R Grau, 1926 (replies)
   Jun-27-10 F Olafsson vs Eliskases, 1960 (replies)
   Jun-11-10 J Dueball vs E Gereben, 1972 (replies)
   Jun-09-10 Shabalov vs Saidy, 2003 (replies)
   Jun-08-10 Nepomniachtchi vs Zhou Jianchao, 2009
   Mar-23-10 Alapin vs Alekhine, 1914
   Mar-13-10 E Sedina vs M Hoffmann, 2010 (replies)
   Mar-09-10 Fischer vs R Cardoso, 1957 (replies)
   Mar-01-10 J Arizmendi Martinez vs J M Gomez Esteban, 2006 (replies)
   Feb-28-10 Watson vs Ciric, 1991 (replies)
   Feb-27-10 Glek vs Hector, 1995 (replies)
   Nov-28-09 Areshchenko vs F Corrales Jimenez, 2009 (replies)
   Nov-21-09 Okhotnik vs V Berezhnoi, 1981 (replies)
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