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Member since Jun-28-08 · Last seen Feb-07-16
I'm an applied mathematician who lives in the south east of Spain.

My approach to the puzzles is similar to that of David Zechiel (User: dzechiel): I first write the variations I find in a reasonable amount of time (using the puzzle diagram only) and post them before watching the game or other's comments. Then I have a look at them and try to be critical with my work. I apply the touch-move rule to my posts (see Unzicker vs Fischer, 1960). I hope to improve my tactical vision this way.

Often I cannot even spend a couple of minutes looking at the diagram (work, family, other interests, etc.) so I try to blind solve it along several breaks. My first attempt was R Vera vs S Garcia Martinez, 2001 and although the variations I found were not very deep I felt quite satisfied with the experience.

>> Click here to see agb2002's game collections. Full Member
   Current net-worth: 1,230 chessbucks
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   agb2002 has kibitzed 3637 times to chessgames   [more...]
   Feb-07-16 M Galyas vs M Rodshtein, 2015
agb2002: White is one pawn down. Black is about to reinforce e4 with 17... Nf6. The convergence of the queen and the king's rook on f7 and the possibility of bringing a knight to d6 suggest 17.Ndxe4 fxe4 18.Nxe4 and if 18... Qxe4 then 19.Qf7+ Kd8 20.Qxf8+ Qe8 (20... Kc7 21.Qxa8 + - [R+B+P ...
   Feb-06-16 Svidler vs F Vallejo Pons, 2004 (replies)
agb2002: 26... Nc4 is much stronger than 26... Ne4 after which Stockfish gives the relatively simple 27.Bxe4 Bxc5 28.Nxf5 Bxa3 29.Bxb8 Bb4+ 30.Kb1 Qa4 31.Nxb3 Qxb3 32.Be5 with a slight advantage for Black.
   Feb-05-16 Jobava vs Galego, 2005 (replies)
agb2002: The material is identical. The bishop on e6 prevents Rg4, attacking g7 twice. This suggests 25.Rxe6 fxe6 26.Rg4: A) 26... Bf6 27.Bxf6 gxf6 28.Qg6 A.1) 28... Re7 29.Qxf6+ Kxh7 30.Qh4+ Qh5 31.Qxh5#. A.2) 28... Qg5 29.Rxg5 fxg5 30.Qh6 Re7 31.Bf5+ Kg8 32.Bxe6+ Rxe6 33.Qxe6+, etc. B) ...
   Feb-04-16 J Gallagher vs A Compton, 2014 (replies)
agb2002: It is interesting how an earlier alternative, 29.f4 in my line D, can condition later alternatives: 30.f4 is very slightly worse than 30.h4 but in other situation it could be losing. As pointed out by <Patriot>, 31.R1d7 (line E) is just check.
   Feb-03-16 Sundararajan vs I Ivanisevic, 2014 (replies)
agb2002: Black has a knight for three pawns. White threatens 31.d6 and 31.dxc6. The knight does not look well placed. Therefore, 31... Ng5: A) 32.fxg5 Rxf3 A.1) 33.Rxb7 Rf1+ 34.Kg2 Qh3#. A.2) 33.dxc6 Qe4 A.2.a) 34.Rg1 Rf2+ 35.Rg2 Qxg2#. A.2.b) 34.Qd6+ Kg8 wins (35.Kg1 Qxb1+). A.3) ...
   Feb-02-16 A Jakubiec vs M Godard, 2013 (replies)
agb2002: White has the bishop pair for a bishop, a knight and a pawn. Black threatens 36... Nxh5 and Qxf7 if the queen escapes. The black bishop protects h6. Hence, 36.Rxg7+ Rxg7 (36... Kh8 37.Qxh6#) 37.Qxh6+ Kg8 38.Qxg7#.
   Feb-01-16 J Houska vs T Hebbes, 2014 (replies)
agb2002: White has a bishop and a pawn for a knight. Black threatens 32... Kxd8. White can pin the rook on c6 after 32.Rxe8+ Kxe8 33.Bb5: A) 33... Rhc7 34.Rxc5 Kd7 35.Rxc6 Rxc6 (35... a6 36.Rxc7+ Kxc7 37.Bxa6 + - [B+3P] ) 36.Bxc6+ Kxc6 37.Ke4 + - [2P] . B) 33... Kd7 34.Rxc5 + - [B+2P] .
   Jan-31-16 H van Dongen vs E Wijsman, 2005 (replies)
agb2002: I remembered the position and Rdd3. This was my post H van Dongen vs E Wijsman, 2005 (kibitz #29)
   Jan-30-16 L Milman vs J Fang, 2005 (replies)
agb2002: A classic CG puzzle already. It could perfectly inaugurate a new CG section called 'CG favorites', or the like.
   Jan-29-16 Ljubojevic vs Larsen, 1974 (replies)
agb2002: White has a knight for a bishop. Black threatens d2. The first idea that comes to mind is to threaten the black king, while pushing the b and h-pawns, after eliminating the pawn on d3, 54.Nxd3: A) 54... Rxd3 55.Kg5 A.1) 55... Rb3 56.Ra7+ A.1.a) 56... Kg8 57.Kg6 Kf8 (57... Ra3 ...
(replies) indicates a reply to the comment.

Calculo, luego existo

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 8 OF 8 ·  Later Kibitzing>
Oct-01-12  morfishine: Hello <abg2002>! Nice write-up in the Sunday POTD! I only noticed <25...Bxe4> immediately after posting 25.Rxb4 <25...axb4>. I briefly considered deleting my post then adding this as a possible improvement but decided to leave these separate.

I'm a bit surprised there wasn't more discussion on <25...Bxe4>

Nov-14-12  Patriot: Hi <agb2002>! Good job on your win! I read your comment about losing the exchange before going over your game so when you played 20.Rae1 I figured the rook on f1 was going to be *the* piece. I've lost the exchange quite a few times like this so I'm very suspicious about moves that trap the rook.

I had a question about 11.Nxe7+. What prompted you to play this? That knight is a real thorn thanks to 9...b6?. I wouldn't recommend trading it until forced to do so since the bishop isn't going anywhere. That's similar to what Dan told me once when I captured a pinned piece. He said "You should almost never capture unless they threaten to break the pin or capture the pinning piece, for example." By not capturing, you have time to build your position further while he is left dealing with the situation.

It really looks like you did have a bad day though--we all have them! I just thought I'd mention the knight capture though because that move really stood out with me. But it's probably something you wouldn't have done on any other day!

Thanks for sharing!

Nov-25-12  ShahMaat: comment.New guy on the block.I enjoy the dialogue between the users.I thank you all,and look forward to crossing swords with you!Unrated old fart.
Jan-18-13  Patriot: Hi <agb2002>! I loaded your game into Fritz and followed it. You played a nice game against Houdini! On move 35 (white to play), how did you evaluate the position:

click for larger view

I might think black is a little better, and Houdini agrees after 22-ply. You said 35.Bf1 was better but at 22-ply, it agrees with you! <35.Ba6>

Jan-19-13  Patriot: Hi <agb2002>! <Perhaps the note below the players showing the engine which performed the analysis misled you.> Yes this is exactly what happened--I completely misread that (sorry).

Your plan, having the outside passed pawn, is a good one. Nice game!

Premium Chessgames Member
  Jimfromprovidence: Thanks for the constructive feedback concerning Saturday's puzzle.


Nov-01-13  Patriot: <<agb2002>: <Patriot: <agb2002> <Pattern recognition finds the mate scheme...Therefore...> If the pattern led you to the sequence, I'm impressed. I had to work out a sequence before visualizing the position as a win.> You surely have already noticed that in competition chess you never have enough 'stored' patterns.> Oh definitely! I don't doubt that you solved it this way, but it struck me oddly because I have listened to NM Dan Heisman analyze <CG> problems that I gave him, "live". And I'm quite certain he would not have worked backwards from the pattern you illustrated. And I don't think, even knowing the pattern, I would ever be able to link the pattern to the problem and solve it backwards. That's one heck of a skill!
Premium Chessgames Member
  agb2002: <Patriot>

Thank you! The way you describe the solving process reminds me of Raymond Smullyan logic puzzles in his "The Chess Mysteries of Sherlock Holmes".

Dec-04-13  LoveThatJoker: <Dear CG Friends>

I know this is irregular, but I am stepping outside of the box, for you to view truly one of the most exciting alternate solutions ever posted on the daily puzzle:

G Weissgerber vs A Van Nuess, 1933

With friendship, respect and gratitude for your time in looking at this,


Mar-05-14  LIFE Master AJ: Hello:

Game Collection: "Chess-Games" >Problem of The Day< (2014)

I am trying to update a collection ... with all the puzzle for this year.

Have you missed any days this year ... that you know of? If so, could you help me to locate the missing days?

Mar-06-14  LIFE Master AJ: << Hello LMAJ, according to CG I have posted (or perpetrated) an analysis every day this year with the sole exception of Feb 17th (I don't remember what happened that day). If I can help you just let me know. >>

Cool! Then I will be looking through your posts and trying to update my collection. (I am glad that you don't mind.)

Think you could ask any of your friends and find out what the POTD for Feb. 17th was? (Ask them to leave a comment in my forum.)

Mar-08-14  LIFE Master AJ: S Williams vs The World, 2013

Weren't you a big-time member of the team?

Jun-21-14  Patriot: <agb2002> Thanks! I haven't been logging onto the site much recently--it's been about a week since the last time. I seem to be pulling away from chess more and more these days but that's how things go sometimes. Take care.
Premium Chessgames Member
  agb2002: Yesterday in San Francisco CA.

Today in Lodi CA.

Premium Chessgames Member
Premium Chessgames Member
  agb2002: Now in Baltimore MD. About 10000 miles in three days.

<OCF> I didn't know that song by CCR.

Premium Chessgames Member
  agb2002: Today in Milwaukee WI.

Impressive aerial night view of Chicago.

Premium Chessgames Member
  agb2002: Good, energetic concert by The Black Keys yesterday in Chicago.

About to fly to Cleveland.

Premium Chessgames Member
  agb2002: In Houston now.
Premium Chessgames Member
  OhioChessFan: Where in the world is agb2002?

Premium Chessgames Member
  agb2002: <OhioChessFan: Where in the world is agb2002?>

LOL. Tonight in Buffalo. Tomorrow in New York, London and back to Spain.

Business this time. Tourism next. Perhaps.

Premium Chessgames Member
  OhioChessFan: Shuffle Off to Buffalo-

New York, New York-

London Calling-

Never Been to Spain-

Premium Chessgames Member
  wordfunph: <agb2002> Merry Christmas!
Jan-01-15  CHESSTTCAMPS: <agb2002 from 12/26 POTD <Nice to see you again Phil!>>

Thanks. It's always nice to see you and your analysis, also!

Happy New Year!

Premium Chessgames Member
  agb2002: Happy New Year to you and your family, Phil!
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