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Member since Jun-28-08 · Last seen Aug-28-15
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: 1,689 chessbucks
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   agb2002 has kibitzed 3443 times to chessgames   [more...]
   Aug-28-15 M Kremer vs L Schandorff, 1982 (replies)
agb2002: White has a bishop and a knight for the two bishops. The white bishop blocks the way of the queen and the rooks to g7 and can eliminate the best defender of the black castle at once. This leads to consider 23.Bxe7: A) 23... Rxe7 24.Rxg7+ A.1) 24... Kxg7 25.Rg1+ A.1.a) 25... Kf6 ...
   Aug-27-15 M Bjertrup vs J Caspersen, 1982 (replies)
agb2002: White is one pawn down. The obvious move is 25.Rxg7+: A) 25... Kxg7 26.Qd4+ A.1) 26... Kf7 27.Qf6+ Kg8 (27... Ke8 28.Qe7#) 28.Bc1+ Kh7 29.Qg7(h6)#. A.2) 26... Kg6 27.Bd8+ Kf7 (27... Kh5(6,7) 28.Qh5#) 28.Qf6+ Ke8 29.Qe7#. A.3) 26... Kg8 27.Bd8+ as in A.2. A.4) 26... Kh7 27.Qh4+ ...
   Aug-26-15 R Hvalsoe vs P Hansen, 1982 (replies)
agb2002: White is two pawns down. Black threatens 20... Qa1#, 20... Qb2# and 20... Bxg1. The hasty 20.Rxg6+ is met with 20... Bg7 (else 21.Qh5#). Therefore, 20.Rxd4: A) 20... Qxd4 21.Rxg6+ Qg7 22.Qg2 Qxg6 23.Qxg6+ Kh8 24.Qh5+ (or 24.Bxf7 Rxf7 25.Qxf7 + - Q vs R] ) A.1) 24... Kg8 25.Bh6 ...
   Aug-25-15 K Lapinski vs E Sharapov, 2007 (replies)
agb2002: <Once> I'm impressed by the vehemence of the group saying "A mate is a mate!" :-) However, it would be interesting to find the number of significantly different mates and assign a consistent name for them. For example, there is an essential difference between [DIAGRAM] and ...
   Aug-24-15 P Pinto vs W Madeira, 1982 (replies)
agb2002: Black is one pawn down. White threatens 28.Nxd4. The white knight blocks 27... Rf1#. Hence, 27... Qg1+ 28.Nxg1 Rf1#. Much slower is 27... Rxf3 28.exf3 (28.Bxf3 Qg1#) 28... Qg1+ 29.Ke2 Qxb1 A) 30.Qg5 Qf1+ 31.Kd2 Qf2+ 32.Kc1 (31.Kd1 Ne3+ wins the queen or it's mate next) 31... Qe1+ ...
   Aug-23-15 Keene vs Robatsch, 1971 (replies)
agb2002: The material is identical. The pawn on d5 is immune at the moment (Bxd5 Rxd5 Qxd5 Nf6+). The pawn on f7 protects the knight and is protected by the king only. This leads to consider 21.Rxf7: A) 21... Kxf7 22.Rf1+ A.1) 22... Kg8 23.Nf6+ A.1.a) 23... gxf6 24.Qxg6+ A.1.a.i) 24... ...
   Aug-22-15 M Vachier-Lagrave vs Vaisser, 2014 (replies)
agb2002: The text 17.Rxd5 is better than my 17.Qxd5+. I missed 21... Bxh2 at the end of B.
   Aug-21-15 A Lagunow vs B Schneider, 1994 (replies)
agb2002: White has the bishop pair for a bishop and a knight. The black queen defends b7 and the pawn on d6 stops White's d-pawn which blocks the a8-h1 diagonal. Therefore, 18.Bxc5: A) 18... Qxc5 19.Rxb7 Bb5 (19... Nh6 or 19... Qc8 20.Rxb8+ Q(R)xb8 21.Qxb8#; 19... Qb6 20.Rxb6 + - [Q+2P vs ...
   Aug-20-15 M Rivas Pastor vs A J Mestel, 1982 (replies)
agb2002: I've just applied for the 26.Bxg6+ club.
   Aug-19-15 E Haugstad vs O Pedersen, 2007 (replies)
agb2002: The material is identical. Black should take into account an eventual Na5. The pawns on c3 and e4 are hanging and the bishop on g5 has very limited mobility. These details invite to play 22... Nxe4: A) 23.Bxe4 Bxe4 A.1) 24.Rd4 Qxb3+ 25.Ka1 (25.Kc1 Qxc2#) 25... Bxc2 26.Qc1 Qxc3+ ...
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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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