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Member since Jun-28-08 · Last seen Jun-25-16
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: 1,720 chessbucks
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   agb2002 has kibitzed 3875 times to chessgames   [more...]
   Jun-24-16 Tan Zhongyi vs Shen Yang, 2015 (replies)
agb2002: <diagonalley: .. *UK brexit* ... woo-hoo!> Politics is the art of looking for trouble, finding it everywhere, diagnosing it incorrectly and applying the wrong remedies. Groucho Marx
   Jun-23-16 K Ulanowski vs E Kustal, 2009 (replies)
agb2002: White has a bishop for a knight. Black threatens 27... Rxg2. Black's back rank is weak and the white queen x-rays the black king. Therefore, 27.Nf6+: A) 27... gxf6 28.gxf6+ A.1) 28... Rxg2 29.Rd8+ Qe8 30.Rxe8#. A.2) 28... Kf8 29.Qg7+ Ke8 30.Qh8#. A.3) 28... Kh8 29.Qg7#. B) ...
   Jun-22-16 A S Rasmussen vs T Rydstrom, 2014 (replies)
agb2002: White has a bishop and a knight for the bishop pair. The pawn on f7 is pinned so that the square g6 is momentarily accessible. Therefore, 24.Nf6+ gxf6 (24... Kh8 25.Qh7#) 25.Qg6+ Kh8 (25... Bg7 26.exf6 and mate in two) 26.Bxf7 Bg7 27.exf6: A) 27... Bf8 28.Qg8#. B) 27... Bxf6 ...
   Jun-21-16 G Mittermayr vs C Kleijn, 2009 (replies)
agb2002: Black has the bishop pair for a bishop, a knight and a pawn. White threatens 26.Nxe5. The dark squares around the white king are too weak, in particular c3. Therefore, 25... Bxb2+: A) 26.Kxb2 Qc3+ 27.Kb(c)1 Ra1#. B) 26.Kb1 Ra1+ 27.Kxb2 Qc3#. C) 26.Kd2 Qc3#.
   Jun-20-16 W So vs S Fedorchuk, 2015 (replies)
agb2002: Black is two pawns down. White threatens 32.Bxf3 and 32.dxc8. Black can deliver mate with 31... Rh1+ 32.Bxh1 Rg1#.
   Jun-19-16 S Fedorchuk vs I D Dorfman, 2015 (replies)
agb2002: The material is identical. Black threatens 24... Nxf4. The rook on f4 is trapped and 24.Bxg6 doesn't look very strong because c2 is now defenseless. For example, 24... hxg6 25.Ng5 Rc2 26.Qh4 Qc7 27.Qh7+ Kf8 28.Qh8+ Ke7 29.Qxg7 Rc1+ 30.Rxc1 Qxc1+ 31.Kf2 Qxf4 - +. Another option is ...
   Jun-18-16 Nakamura vs J L Hammer, 2015 (replies)
agb2002: White is one pawn down. Black threatens mate in three (43... Rg2+ 44.Kh1 Rxg3+ 45.Rf3 Bxf3#). This threat, the defenseless black bishops, the possibility of a back rank mate and the advanced pawn suggest 43.Bg6 but this seems to lose to 43... Rg2+ 44.Kh1 Rgf2+ 44.Bxe4 (44.Kg1 Rxf1+
   Jun-17-16 B Koch vs H Nowarra, 1938 (replies)
agb2002: White is one pawn down. Black threatens 20... Rxb2. The prosaic 20.Bxb6 or 20.Rxb6 doesn't seem to achieve much. The the weak black castle and the possibility of attacking the rook on a2 and the square g6 from b1 or c2 leads to consider 20.Bxg6: A) 20... Rxb2 21.Qh5 A.1) 21... ...
   Jun-16-16 Grischuk vs Anand, 2015 (replies)
agb2002: The material is identical. White threatens d7 and Rc8. Black can attack the white king and rooks with 26... e3: A) 27.fxe3 Nxe3 28.Nf2 (due to 28... Rxg2#) 28... Nxd1 29.Nxd1 Rc1 wins a rook. B) 27.f3 e2 B.1) 28.Re1 Ne5 29.Rc7 Nd3 30.d7 Nxe1 31.Rc8 Nxf3+ 32.Kf2 (32.gxf3 e1=Q#) ...
   Jun-15-16 F Montoliu Cervero vs P Lasinskas, 2009 (replies)
agb2002: White has two pawns for a knight. Black threatens 16... Nxe6. The best defender is the knight on f6. Therefore, 16.Rxf6: A) 16... Bxf6 17.Qd7+ Kf8 18.Bh6+ Bg7 (18... Kg8 19.Qe8#) 19.Qxg7+ Ke8 20.Qd7#. B) 16... h5 17.Qd7#. C) 16... Qc7(8) 17.Qh5+ Nf7 18.Rxf7 + - [N+2P] and a ...
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Calculo, luego existo

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  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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