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agb2002
Member since Jun-28-08 · Last seen Jan-31-15
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.

Chessgames.com Full Member

   agb2002 has kibitzed 3195 times to chessgames   [more...]
   Jan-31-15 E Sobernheim vs S Langleben, 1895 (replies)
 
agb2002: Black has the bishop pair for a bishop, a knight and a pawn. The first idea that comes to mind is 17... Qa3+, trying to extract the king (17... d4 18.Nb1 Na4+ 19.Kc1 doesn't seem to achieve much): A) 18.Kxa3 Nxd3+ 19.b4 (19.Ka4 Nb2+ 20.Ka5 Bb4(d8)#) A.1) 19... Bxb4+ 20.Kb3 (20.Ka4 ...
 
   Jan-30-15 Sax vs Ehlvest, 1988 (replies)
 
agb2002: White has a bishop for a rook and a pawn. Black threatens 20... Qf4+. White can block the black queen with 20.b4, threatening 21.Qg5: A) 20... gxf6 21.Rg1+ Kh8 22.Qh6 Rg8 23.Qxf6+ Rg7 24.Qxg7#. B) 20... Rfd8 21.Bd3 (21.Qg5 Bf5+ and 22... Bg6) B.1) 21... g6 22.Qh6 and mate in ...
 
   Jan-29-15 Mamedyarov vs T Nyback, 2005 (replies)
 
agb2002: Now I don't know why I chose 45.Qc3 (+0.67) instead of the obvious 45.Ka3 (+3.0) I already saw (in C.2).
 
   Jan-28-15 Bergell / Neumann vs Knorre / Cordel, 1865 (replies)
 
agb2002: White has the bishop pair for a bishop, a knight and three pawns. The d-pawn is overburdened with the protection of the knight on c6 and the pawn on e6. This invites to play 14.Nxe6: A) 14... dxe6 15.Bd3 Qf6 (if, say, 15... Qf7 16.Qxc6+ and 17.Qxa8 + -) 16.Qxc6+ A.1) 16... Kd8(e7) ...
 
   Jan-27-15 Kotronias vs F Vallejo Pons, 2009 (replies)
 
agb2002: White has a knight for a bishop and a pawn. Black threatens 42... Rc1#. White can deliver mate in three with 42.Rh7+ Kxh7 43.Nf6+ Kh8 44.Rg8#.
 
   Jan-26-15 N Barsalou vs B Wall, 1980 (replies)
 
agb2002: The material is identical. White threatens Bxd8, eventually. The bishop on h4 prevents 8... Bf2#. Hence, 8... Qxh4+ followed by 9... Bf2#.
 
   Jan-25-15 Kavalek vs E Formanek, 1970 (replies)
 
agb2002: My maneuver 28.Qa6+ Rb7 29.Ra4 is much weaker than 28.Qa4 due to the unexpected defense 29... Nf6, trying ... Nd5, when play might continue 30.Bxc6 Bxc6 31.Rxc4 Qe8 (31... Qd7 32.Rxb6 + -) 32.exf6 Rxf6 33.Qa4 Rc7 34.Qa3 Rb7 35.Rb5 +/ - (+1.5 according to Stockfish).
 
   Jan-24-15 Carlsen vs L Dominguez, 2009 (replies)
 
agb2002: I forgot that I followed this game when it was played and the winning move 33.Rb7. My 33.Rxe5 only achieves equality after 33... Qc2 34.Qxc2 Bxc2 35.Rc1 Rd1+ 36.Re1. Better luck tomorrow.
 
   Jan-23-15 Kramnik vs F Vallejo Pons, 2014 (replies)
 
agb2002: <morfishine: I followed <agb2002> in that the first idea to come to mind is 30...Rxg2+> The line 30... Rxg2+ 31.Kxg2 Ne3+ 32.Kh3 Bg2# was only a nice red herring.
 
   Jan-22-15 J Sammour Hasbun vs A Ivanov, 2013 (replies)
 
agb2002: I forgot D) 22... Rg8 23.Bxg7+ Rxg7 24.Rxg7 Kxg7 25.Re7+ wins. For example, 25... Kh6 26.Qf6+ and 27.Rxh7#. Or 25... Kh8 26.Qf7 Qa1+ 27.Kh2 Qe5+ 28.Rxe5 Nxe5 29.Qf8#.
 
(replies) indicates a reply to the comment.

Calculo, luego existo

Kibitzer's Corner
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Oct-01-12
Premium Chessgames Member
  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: ...no 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!

Mar-03-13
Premium Chessgames Member
  Jimfromprovidence: Thanks for the constructive feedback concerning Saturday's puzzle.

Jim

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!
Nov-03-13
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,

LTJ

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.
Sep-24-14
Premium Chessgames Member
  agb2002: Yesterday in San Francisco CA.

Today in Lodi CA.

Sep-24-14
Premium Chessgames Member
  OhioChessFan: https://www.youtube.com/watch?v=fuq...
Sep-25-14
Premium Chessgames Member
  agb2002: Now in Baltimore MD. About 10000 miles in three days.

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

Sep-26-14
Premium Chessgames Member
  agb2002: Today in Milwaukee WI.

Impressive aerial night view of Chicago.

Sep-28-14
Premium Chessgames Member
  agb2002: Good, energetic concert by The Black Keys yesterday in Chicago.

About to fly to Cleveland.

Sep-30-14
Premium Chessgames Member
  agb2002: In Houston now.
Sep-30-14
Premium Chessgames Member
  OhioChessFan: Where in the world is agb2002?

https://www.youtube.com/watch?v=ozY...

Oct-01-14
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.

Oct-01-14
Premium Chessgames Member
  OhioChessFan: Shuffle Off to Buffalo- https://www.youtube.com/watch?v=_h0...

New York, New York- https://www.youtube.com/watch?v=btF...

London Calling- https://www.youtube.com/watch?v=EfK...

Never Been to Spain- https://www.youtube.com/watch?v=TKS...

Dec-25-14
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!

Jan-02-15
Premium Chessgames Member
  agb2002: Happy New Year to you and your family, Phil!
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