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Member since Nov-24-03 · Last seen Dec-03-16
<<< Who am I ? >>>

I am a graduate student. My current areas are combinatorics and knot theory, particularly finite-type invariants. I'm also a part-time algorithmist, working on image processing, computer vision and data mining.

<<< Anything else besides? >>>

I enjoy hiking and reading. In addition, I'm good at wasting some of the precious time we've been allotted at this valley of tears playing computer games :)

Obviously, I like cats.

I like my humor intelligent, quirky and language-related. For instance, I admire Fry and Laurie and recommend them heartily.

I'm an avid follower of,, and a few others.

A fancy, nay, an obsession of mine is writing parody songs. One of those, the most chess-related one, can be found further below.

<<< Are you any good ? >>>

My strength varies in the 2050-2100 area. My highest chess achievement is a photo with Vishy Anand (both words are now marked as spelling errors, but then, so is "") back in the 90s when I was a little kid.

<<< Who am I as a chess-player? >>>

In the last few years, my style was heavily biased towards the positional, technical side. I play against pawn-weaknesses, I like rook-endgames and bishop pairs. I try to keep my pawns on the right color, just like they used to do, damn it!

Of late, however, I'm working on becoming more universal and on risk-taking. I have weaknesses in sharp, irrational positions, and would like to employ more varied tools to apply pressure. In particular, I have much to learn about positional sacrifices.

For the rest - read the next section and my page!

<<< Why should you read this page? >>>

Oh no you shouldn't! Really, don't. Go away! You too! AAA they're all around me! ... gulp... yeah, aaaanyway.

Many of the kibitzes focus on a few openings I enjoy analyzing, for now mainly the Larsen variation in the Philidor defense.

I also post analyzed games I deem worthy enough.

<<< Why do I frequent >>>

There are three main reasons:

The people - <Annie K.>, to name the worst of them :)

The Guess-The-Move feature is, in my eyes, the best
way to improve beyond 1800 I've met online.

Finally, I follow (and sometimes participate in) the challenge. The team, armed with incredible calculating power as well as the ideas of a dozen strong analysts, might well be the strongest chess entity ever.

<<< The promised song >>>

"Black queen" - Pawn must go on

Empty squares - what we are playing for?
Abandoned chairs - I guess we know the score..
On and on!
Does anybody know what piece I知 looking for?

Another bishop - another mindless sac
Behind the pawn-line, in the wild attack
Hold the f-line!
Does anybody want to queen it anymore?

The pawn must go on!
The pawn must go on!
Inside my king is hiding
The tactics may be blinding
But my knight still stays on..

Whatever happens, I値l leave it all to chance
Another Spanish, another failed advance
On and on!
Does anybody know what we are drawing for?
I guess I知 learning
I must be calmer now
I値l soon be playing French and Dragon now
On the board the pawn is crying
But inside the db I知 dying for h3..

The pawn must go on!
The pawn must go on!
Inside my king is hiding
The tactics may be blinding
But my knight still stays on..

My board is painted like the wings of dragonflies
Losing games of yesterday, will draw but never die!
I can play, my friends!

The pawn must go on!
The pawn must go on!
I値l face it with a pin
I知 never giving in
On with the pawn!

I値l play the mill,
I値l overkill!
I have to find the will to carry on!
On with the,
On with the pawn

The pawn must go on

>> Click here to see catfriend's game collections. Full Member

   Catfriend has kibitzed 3715 times to chessgames   [more...]
   Nov-20-16 Carlsen - Karjakin World Championship (2016) (replies)
Catfriend: <Eyal> I loved the part where Svidler quoted Kasparov about games interesting to strong players being identifiable by amateurs calling them boring, to which Gustafsson replied that boring games were identifiable like that as well. <Most complainers> Sure. Boring games.
   Nov-10-16 Catfriend chessforum (replies)
Catfriend: Rest in Peace, Leonard Cohen.
   Nov-07-16 European Club Cup (2016) (replies)
Catfriend: <Annie K.> Hey! 2700chess removed him from the list, and has Syberia without Board 1, so I wasn't sure. I suppose you're right as usual and those lists will be updated.
   Oct-31-16 M Karlsson vs T Magnusson, 2015
Catfriend: 11. Re1 is far from the best decision for White - both 11. Bxa8 Qxa8 12. f3 Bxf1 13. Kxf1 and 11. Bg2 Bxg2 12. Kxg2 are better. Unfortunately, Black misplayed the next few moves, skewing the DB score. 12..Qb6 looks natural, attacking Bc6 and hinting at an f2 weakness. However, ...
   Jul-09-16 Dortmund (2016) (replies)
Catfriend: No live on, only commentary is in Spanish - apparently Dortmund is quite a bit less prestigious than it used to be. With #2,3,4 playing and average rating 2732, it's a strong event. MVL's chances of joining the 2800 club add excitement.
   Jun-06-16 Viktor Korchnoi (replies)
Catfriend: R.I.P.!
   Jun-01-16 Alan Turing (replies)
Catfriend: <HMM> You're talking about the Bomba: (cryptography) This was indeed built in Poland - but it wasn't a computer. It was a special-purpose machine, as opposed to the programmable Colossus.
   May-31-16 Gashimov Memorial (2016) (replies)
Catfriend: <brahianv: <Catfriend> you are simple overthinking these things because caruana dont do the strongest continuation it dont mean that he nervous, be serious man this human chess not a computer. It simple as that> Please read what was said rather than the strawman you're
   May-30-16 Fabiano Caruana (replies)
Catfriend: Once in a while, Caruana transforms into The Hulk and goes on a bloody rampage.
   May-04-16 Grischuk vs Kamsky, 2016 (replies)
Catfriend: <ajile> 4. Nc3 might be better, but it is quite sharp. Scary to play against a well-prepared opponent.
(replies) indicates a reply to the comment.

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 9 OF 9 ·  Later Kibitzing>
Premium Chessgames Member
  Annie K.: long as the '1-0' part is on the pgn/scoresheet... ;)


Premium Chessgames Member
  Catfriend: <Annie K.: long as the '1-0' part is on the pgn/scoresheet... ;) > Sure, I always try to stick to this, whether playing well or not, tired or fresh, playing White or Black...
Premium Chessgames Member
  Annie K.: Oh, I never doubted that. I have faith in you! =)
Premium Chessgames Member
  Catfriend: A counter-Maroczy Philidor against a 2000+ opponent featuring a typical strategy - as well as a typical oversight :)

1. d4 d6 2. e4 e5 3. Nf3 exd4 4. Nxd4 g6 5. Be3 Bg7 6. c4 Nf6 7. Nc3 O-O 8. f3 Nc6 9. Qd2 Re8 10. O-O-O a5 11. Nxc6 bxc6 12. c5 d5 13. Bg5 Qe7 14. exd5 cxd5 15. Nxd5 Qxc5+ 16. Qc2 Qxc2+ 17. Kxc2 Bf5+ 18. Kc1 Nxd5 19. Rxd5 Rab8 20. Rb5 Re1+ 21. Kd2 Rxb5 22. Kxe1 Rxb2 0-1

1. d4 d6 2. e4 e5 3. Nf3 <Getting into Philidor. 3. dxe5 dxe5 4. Qxd8+ Kxd8 is a whole new story.> exd4 4. Nxd4 g6 5. Be3 Bg7 6. c4 <Aiming for Maroczy-like structure, preventing d5. White hopes to increase the pressure in the center, combining space advantage (d5, f4-f5 pushes etc.) with standard Bh6-h4-h5 plans.> Nf6 7. Nc3?! O-O?! <The great weakness of automatic replies is that they miss ad-hoc opportunities. 7..Ng4 and Black's already better. > 8. f3 Nc6 <8..a6 and 8..Qe7 are also good alternatives. Nc6 is very thematic in these position. Black doesn't fear the weakened pawn-structure - he welcomes it! the c6 pawn prevents Nd5 and allows future d5 breakthroughs. In addition, the b file and the pressure on d4 will be handy. > 9. Qd2 Re8 10. O-O-O a5 <Here and a move before Nxd4 and Be6 is a viable option, but I feel it limits Black's resources.> 11. Nxc6? bxc6 <Black will now play for the win.> 12. c5 d5 <Note that in case of exchanges on d5, Be3 is left hanging - a frequent consequence of f3-Be3.> 13. Bg5?! <A natural move, given the previous comment, but it allows a powerful reply.> Qe7! 14. exd5 cxd5? <Black's turn to err. The intention was to fortify d5 with c6, consolidate, and only then move to attack. 14..Qxc5 with Rb8, a4, Bf5 and so on would be crushing.> 15. Nxd5 Qxc5+ 16. Qc2?? <The final big mistake. After 16. Qc3 Black's advantage would be dubious at best.> Qxc2+ 17. Kxc2 Bf5+! <Achieving harmony between the pieces. White is also being tempted into 18. Bd3? Nxd5 19. Bxf5 Nb4+> 18. Kc1 Nxd5 19. Rxd5 Rab8?! <19..Re1+ 20. Kd2 Rb1 would be even more decisive.> 20. Rb5?! <b3 would be better.> Re1+ 21. Kd2 Rxb5 22. Kxe1 Rxb2 0-1 <The resignation isn't premature: Black is up a rook, de facto, and will soon gobble up an additional pawn or two.>

Premium Chessgames Member
  Annie K.: <Catfriend> Happy New year! :)
Premium Chessgames Member
  Domdaniel: Hi, Catfriend. Annie told me you were interesting. She was right, of course.
Premium Chessgames Member
  Catfriend: Oh, come on, don't stop.

Then again, if we're spilling dirty secrets, she told me, and I quote, you have "an incredible mind and erudition".

Premium Chessgames Member
  Annie K.: I did? :)

Oh, greetings from Berlin - just landed here...

Premium Chessgames Member
  Catfriend: Have fun in the land of transport arriving on time and US presidents making amusing linguistic mistakes!
Premium Chessgames Member
  Annie K.: Thanks - having fun as instructed...! =)

And I actually mentioned the referred-to linguistic mistake to my group, because one can't resist these temptations to show off, can one? ;)

Premium Chessgames Member
  Catfriend: My goodness, no! Not when one has so much to show off...
Premium Chessgames Member
  Catfriend: Thanks, Santa! Going on a New Year chess binge now!
Premium Chessgames Member
  wordfunph: <Catfriend> Merry Christmas and Happy 2015!
Premium Chessgames Member
  Catfriend: Thank you for the kind wishes.
Premium Chessgames Member
  Annie K.: Welcome back to forumland, great new avatar! :)
Premium Chessgames Member
  OhioChessFan: Excellent avatar.
Premium Chessgames Member
  Catfriend: I'm grrrrateful :)

A little blitz game to welcome myself back:

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e6 7.O-O Be7 8.Be3 O-O 9.Qd2 Qc7 10.f4 b5 11.a3 Bb7 12.Bf3 Nc6 13.Rae1 e5 14.Nf5 Rac8 15.Kh1 Rfd8 16.g4 Na5 17.g5 Nc4 18.gxf6 Nxd2 19.Nxe7+ Kf8 20.Bxd2 Rb8 21.fxe5 dxe5 22.Ncd5 Bxd5 23.exd5 Qxc2 24.Bb4 a5 25.Bxa5 gxf6 26.Nc6 Rdc8 27.Bb4+ Ke8 28.Nxe5 fxe5 29.Rxe5+ Kd7 30.Bg4+ Kc7 31.Rxf7+ Kd8 32.Ba5+ Rc7 33.Rf8# 1-0

Mostly, it's even sound!

Premium Chessgames Member
  Annie K.: ...and a Happy New Year!

Blitz iz gud. :)

Premium Chessgames Member
  Annie K.: Hey, Happy Birthday! :)
Premium Chessgames Member
  Catfriend: Won Israeli Student Team Championship with my team!
Premium Chessgames Member
  Annie K.: Way to go! Upload some games? :)
Premium Chessgames Member
  Catfriend: Unfortunately it was played with rapid time controls: 15+5, I think. So no game records.

Anyway, this year I was delegated to the modest fourth (last) board, so my team games were not quite impressive. 3.5/4 sure looks good on paper, though!

Premium Chessgames Member
  OhioChessFan: <CF: Then again, if we're spilling dirty secrets, she told me, and I quote, you have "an incredible mind and erudition".>

Are you sure that's what she said?

<Leaving quickly>

Premium Chessgames Member
  Catfriend: Rest in Peace, Leonard Cohen.
Premium Chessgames Member
  WannaBe: What?! Lenny died!!! =(
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