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Member since Jul-10-07 · Last seen Nov-01-15

Brazilian, living in Salvador, Bahia.
45 years old.
I am married and have a eight-year-old son.

I do not have an official chess rating.

Besides chess, my personal interests are computer technology, scuba diving, bike, Formula 1, movies, philosophy and psychology.

My nickname, "Waitaka", is from a tribe of native Indian warriors from Brazil, aka Goitaca, extinct at the seventeenth century. They were reported as excellent warriors, never surrendering, and never losing a battle.

You can contact me by e-mail by


>> Click here to see Waitaka's game collections.

   Waitaka has kibitzed 2678 times to chessgames   [less...]
   Dec-29-14 The World vs Naiditsch, 2014 (replies)
   Jan-20-14 S Williams vs The World, 2013 (replies)
Waitaka: Congratulations, World Team! A victory with Black is always sweet. :)
   Oct-06-13 thegoodanarchist chessforum (replies)
Waitaka: Thanks for the apology.
   Jan-10-13 The World vs V Akobian, 2012 (replies)
Waitaka: <kutztown46: I also like three days per move best.> I agree. It is my opinion that the World did draw against Pogonina because of the one day per move pace. I am pretty confident that if we had three days per move, we would win.
   Dec-28-12 Varuzhan Akobian (replies)
Waitaka: <morfishine: Thank you sir for participating in this game vs the WT. In my view, the result is secondary to the benefit of lessons learned.> I second that! Thank you, Mr. Akobian.
   Oct-31-12 WannaBe chessforum (replies)
Waitaka: <WannaBe> You have been mentioned on Chessgames Challenge: The World vs Akobian, 2012 : <I think that we can save a dozen moves or so in skinning this rabbit>
   Oct-31-12 Waitaka chessforum
Waitaka: <truefriends> That's good news! :)
   Oct-01-12 M Chommyyev vs T L Petrosian, 2012 (replies)
Waitaka: <Once> What GOOT stands for? I found only: Get Out Of Town Growing Our Own Teachers Garlic Oil Ointment Treatment
   Feb-09-12 AylerKupp chessforum (replies)
   Feb-09-12 P Pietinen vs C Randlov, 2012 (replies)
Waitaka: It took me about five years getting to this site daily to consistently solve these puzzles until Thursday, and now I can say it: I can solve Thursday problems most of the times. Almost never the Friday ones. Looking forward to the next 5 years. PS: please don't tell me that these ...
   Jan-25-12 Alekhine vs Sik, 1943 (replies)
   Jan-03-12 Golden Executive chessforum (replies)
   Jan-03-12 hms123 chessforum (replies)
   Jan-03-12 WinKing chessforum (replies)
   Dec-21-11 V Akobian vs The World, 2011 (replies)
   Sep-04-11 theodor chessforum (replies)
   Aug-29-11 kutztown46 chessforum (replies)
   Aug-19-11 YouRang chessforum (replies)
   Aug-04-11 Aylerkupp / Rybka (replies)
   Jul-20-11 Team White vs Team Black, 2011 (replies)
   Jul-12-11 Thanh Phan chessforum (replies)
   Jul-12-11 LIFE Master AJ chessforum (replies)
   Jul-11-11 J Kourek vs Oral, 1991 (replies)
   Jul-11-11 estrick chessforum (replies)
   May-24-11 M Mchedlishvili vs S Volkov, 2011 (replies)
   Mar-21-11 chessforum (replies)
   Mar-10-11 Kasparov vs G West, 1977 (replies)
   Feb-12-11 The World vs N Pogonina, 2010 (replies)
   Jan-26-11 de Firmian vs The World, 2002 (replies)
   Dec-27-10 Check It Out chessforum (replies)
   Nov-26-10 Science Officer Chamitoff vs NASA Ground Control, 2008 (replies)
   Nov-16-10 Landa vs A Ivanov, 1985 (replies)
   Nov-04-10 T Hillarp Persson vs F Peralta, 2010 (replies)
   Nov-01-10 Greco vs NN, 1620 (replies)
   Sep-22-10 benjinathan chessforum (replies)
   Sep-13-10 Larsen vs R Bogdanovic, 1960 (replies)
   Jul-21-10 J Berkvens vs Mikhalevski, 2000 (replies)
   May-12-10 Lilienthal vs Marshall, 1935 (replies)
   Jan-04-10 N Kosintseva vs E Zaiatz, 2009 (replies)
   Nov-23-09 R Koemetter vs G Welling, 1995 (replies)
   Nov-02-09 Euwe vs Wiersma, 1920 (replies)
   Aug-11-09 W M Popert vs Cochrane, 1841 (replies)
   Aug-06-09 M Umansky vs The World, 2009 (replies)
   Jul-13-09 Mogusar vs T L Trippe, 1984 (replies)
   Jul-12-09 zanshin chessforum (replies)
   Jun-15-09 G MacDonnell vs Bird, 1874 (replies)
   Jun-12-09 L Schandorff vs W Zili, 1995 (replies)
   Apr-28-09 lost in space chessforum (replies)
   Feb-25-09 A Nickel vs The World, 2008 (replies)
   Feb-24-09 Arno Nickel (replies)
   Feb-05-09 M Umansky vs F L Levin, 2006
   Feb-02-09 pawndookie chessforum (replies)
   Jan-07-09 Ed. Lasker vs G A Thomas, 1912 (replies)
   Nov-13-08 OhioChessFan chessforum (replies)
   Nov-04-08 mckmck chessforum (replies)
   Nov-04-08 achieve chessforum (replies)
   Nov-04-08 Red October chessforum (replies)
   Nov-04-08 Karpova chessforum (replies)
   Nov-04-08 classF chessforum (replies)
   Nov-04-08 Dionyseus chessforum (replies)
   Nov-03-08 dalbertz chessforum (replies)
   Oct-21-08 Anand vs Kramnik, 2008 (replies)
   Oct-15-08 Anand vs Kramnik, 2008 (replies)
   Oct-08-08 dotsamoht chessforum (replies)
   Sep-29-08 chesstoplay chessforum (replies)
   Sep-29-08 rinus chessforum (replies)
   Sep-29-08 MostlyAverageJoe chessforum (replies)
   Sep-24-08 tweet77 chessforum (replies)
   Sep-24-08 ajile chessforum (replies)
   Sep-13-08 Topalov vs Ivanchuk, 2008 (replies)
   Sep-10-08 Topalov vs Carlsen, 2008 (replies)
   Sep-08-08 Topalov vs Radjabov, 2008 (replies)
   Sep-04-08 imag chessforum (replies)
   Sep-02-08 Anand vs Ivanchuk, 2008 (replies)
   Sep-02-08 S Williams vs Hebden, 2006 (replies)
   Sep-01-08 The World vs G Timmerman, 2007 (replies)
   Aug-20-08 O Sarapu vs Browne, 1972 (replies)
   Aug-19-08 sentriclecub chessforum (replies)
   Aug-12-08 Gert Jan Timmerman (replies)
   Jul-28-08 Carlsen vs E Alekseev, 2008 (replies)
   Jul-26-08 chancho chessforum (replies)
   Jul-24-08 Pelletier vs E Alekseev, 2008 (replies)
   Jul-24-08 Onischuk vs Carlsen, 2008 (replies)
   Jul-17-08 Sneaky chessforum (replies)
   Jul-11-08 Speelman vs Sax, 1988 (replies)
   Jul-06-08 Ivanchuk vs Kramnik, 2008 (replies)
   Jun-28-08 mmmsplay10 chessforum (replies)
   Jun-27-08 twinlark chessforum (replies)
   Jun-22-08 jessicafischerqueen chessforum (replies)
   Jun-11-08 Eljanov vs Carlsen, 2008 (replies)
   Jun-09-08 G Timmerman vs M Umansky, 2005 (replies)
   Jun-09-08 T Turgut vs Iuldachev, 2000 (replies)
   Jun-08-08 dzechiel chessforum (replies)
   May-27-08 Geller vs P Ostojic, 1969 (replies)
   May-26-08 Lagno vs N A Malmdin, 2007 (replies)
   May-20-08 Deep Breath chessforum (replies)
   May-20-08 Anderssen vs Zukertort, 1865 (replies)
   May-12-08 capafan chessforum (replies)
   Apr-29-08 V Olexa vs M Ujtelky, 1948 (replies)
   Apr-24-08 Anand vs Van Wely, 1997 (replies)
   Apr-17-08 Zvjaginsev vs Y Vovk, 2008 (replies)
   Apr-14-08 Dake vs A De Burca, 1935 (replies)
   Apr-09-08 Kasparov vs Karpov, 2002 (replies)
   Mar-31-08 jepflast chessforum (replies)
   Mar-31-08 B Franciskovic vs R Svaljek, 2001 (replies)
   Feb-28-08 Anand vs Shirov, 2008 (replies)
   Jan-28-08 B Wall vs R Bell, 1980
   Jan-28-08 B Wall vs L Chapman, 1973 (replies)
   Jan-28-08 R Shirley Jr vs B Wall, 1982 (replies)
   Jan-24-08 A G Nimmy vs D Aketayeva, 2001
   Jan-02-08 not yet a patzer chessforum (replies)
   Dec-18-07 Dunbar vs Chawkin, 1925 (replies)
   Dec-18-07 A.G. Argent chessforum (replies)
   Nov-26-07 Karpov vs Kasparov, 1993 (replies)
   Nov-09-07 bumpmobile chessforum (replies)
   Oct-16-07 ZeroOne chessforum (replies)
   Oct-08-07 M Judd vs J A Congdon, 1874 (replies)
   Oct-08-07 RandomVisitor chessforum (replies)
   Oct-01-07 P A Boll vs A C Timmerman, 1978 (replies)
   Sep-10-07 S Savchenko vs Kogan, 2000 (replies)
   Aug-28-07 F Riemann vs Anderssen, 1876 (replies)
   Aug-17-07 I Madl vs Chiburdanidze, 2000 (replies)
   Aug-13-07 Von der Lasa vs W Hanstein, 1841
   Aug-13-07 Karpov vs M Piescikowski, 1997 (replies)
   Aug-09-07 A Gual Pascual vs H Herraiz Hidalgo, 2002
   Aug-09-07 Smyslov vs Oll, 1993 (replies)
   Aug-08-07 Dreev vs D Berkovich, 1992 (replies)
   Aug-06-07 E Schallopp vs R Hein, 1868 (replies)
   Aug-04-07 Alterman vs Deep Fritz, 2000 (replies)
   Aug-04-07 J Klinger vs Arencibia Rodriguez, 1986 (replies)
   Jul-23-07 L Didier vs Marshall, 1900 (replies)
   Jul-19-07 Milov vs Bu Xiangzhi, 2007 (replies)
   Jul-19-07 M Klinova vs D Spence, 2006 (replies)
   Jul-18-07 Hannes Hlifar Stefansson (replies)
   Jul-18-07 G Welling vs H Bartels, 1995 (replies)
   Jul-18-07 J Polgar vs Hellers, 1993 (replies)
   Jul-11-07 Reti vs Capablanca, 1924 (replies)
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