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Falko Bindrich vs Zaven Andriasian
World Youth Stars (2007)  ·  Semi-Slav Defense: Quiet Variation (D30)  ·  0-1
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Kibitzer's Corner
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Mar-17-08
Premium Chessgames Member
  playground player: Being able to make a move like 27...Nf4+ is what makes chess worthwhile!
Mar-17-08  RPGmaster60: Actually took me a while to see considering there were so many threats possible by black. However, when I saw the Knight fork it was obvious I could stop looking.
Mar-17-08
Premium Chessgames Member
  notyetagm: <xrt999: with 20.Qe2?, white lines up his queen with the opposing rook -a beginner no-no, unusual from someone 2400- where it sits until taken 7 moves later.>

Not only is the White e2-queen embarrassed by the Black e8-rook, but the <ALIGNMENT> of White e2-queen + White g2-king, two White heavy pieces on the same color square, should have been a warning for an impending <KNIGHT FORK>, especially after Black played 26 ... Ne5-d3 and created a <LIGHT-SQAURED KNIGHT>.

Mar-17-08
Premium Chessgames Member
  kevin86: 27...Nf4+! Maybe easiest puzzle yet! White's queen is lost because one pawn cannot and the other must not,take the knight.
Mar-17-08  soberknight: I solved it, but it took me too long.
Mar-17-08  randallbsmith: Cool! Thanks to our CG host for a nice Monday puzzle, easy enough for a beginner and fun enough to amuse the experienced.
Mar-17-08  TheaN: 1/1

What we got here?

27....Nf4+ with check, a royal fork, two pins and a hopeless situation for White. Wonderful.

Mar-17-08  xrt999: <notyetagm> Although 20.Qe2 appears to be a blunder, as we said, I really cant see any other moves. White feels he must protect f3 at the expense of Rook-queen alignment.

In retrospect, I think 15.Qxe2 would have been better, or anything that was <NOT> 16.Qd3 (stepping into ...Ne5).

By not taking the black knight with 21.Nxe4, the black knight escapes to c5, where it guards d3.

White could take on d3 after 26...Nd3 with 27.Rxd3, exchanging his rook for knight, and be down the exchange but still in the game. (d3 is defended 3 times while attacked only twice), and THEN and only then make the move Nf3.

Mar-17-08  malvar: I got this one today. It took me a little time, I thought it would be even more elemental; but even better than that, one wants to be challenged. Although some players start looking for certain possibilities and variations before others, there are many of them on this puzzle which seem could lead to some exchange,fork, advantage or pin... but when you see the move and you get that feeling in your gut, it's such a relief to say " I got it!"; even more in a hard fought game. yes, Nf4+

I do wanna publicly thank <dzechiel><MostlyAvaregeJoe> and <johnlspouge> for their always helpful insight into their process of analysis. You all have helped me a lot and hope to one day become a master and help others as you've helped us all.

Mar-17-08  Jason Frost: Took like 1 second, suprising that white(a gm) missed it.
Mar-17-08
Premium Chessgames Member
  gawain: A little different for a Monday but very easy and also illustrative of a nice theme (Black has his pieces aimed at white's K and Q and the pawns are therefore pinned.) White's 23rd and 24th moves are the sort of move one makes when completely unaware of looming danger.
Mar-17-08  DeepThought: I really enjoyed this Monday's puzzle!
Mar-17-08  Udit Narayan: a nice move 27...Nf4+!
Mar-17-08  MaczynskiPratten: I guess White thought he was doing well with the pressure against Black's isolated d pawn until 19 .. Ne5; take me, I dare you! It took me (and maybe White) a bit of time to see that if 20 Qxd5, Nxc3! wins a piece (21 Qxd6 Ne2+). The N at e2 may be tricky to extricate but fortunately White looks too passive to exploit it.
Mar-17-08  hovik2003: Andriasian played and attacked superbly after white's strategic mistake by playing 18.g3 deffending against mate but fatally weakening the light squares around his king with the white bishop of same color not present on board anymore. I think 18.Ng3 or even 18.f4?! was better than text.

anyway really nice puzzle for Monday!

Mar-17-08  012: Sunday puzzle <20. ?> Mar-16-08 Karpov vs Quinteros, 1973
Mar-17-08
Premium Chessgames Member
  eternaloptimist: Very easy indeed. I saw this in a matter of seconds. I think I solved this puzzle faster than any puzzle chessgames.com has ever come up w/ that I have attempted.
Mar-17-08  wals: Noting think:- Be hearty in your approbation, and lavish in your praise, says Dale Carnegie in his book, How to win friends, and influence people, derisively known as, How to lose friends, and infuriate people.

Forward to:- TPOTD

Although looking as well wrapped up as a sore thumb, the white King is subject to Nf4+, exf4, Rxe2, and the slaughter continues,

PM =

Ringadingding, a victory.

Mar-17-08
Premium Chessgames Member
  OBIT: To agree with <notyetagm>, 20. Qe2? looks almost suicidal. After 20. Nxe4 dxe4 (20...Nxd3?? 21. Nxd6 wins a piece) 21. Qxd6 followed by Bc3, White gets out of his cramped situation with an even game.
Mar-17-08  Steve Case: O U C H !
Mar-17-08  DeltaHawk: Yep, I got this.
Mar-17-08
Premium Chessgames Member
  OBIT: Hmm, looking at 20. Nxe4 further, it seems like White can just grab a pawn after 20. Nxe4 dxe4 21. Qxd6 Rxd6 22. Bxa5.

However, maybe 20...Qg6 is the right reply to 20. Nxe4, when 21. Qc2 can be met by 21...Nf3+ 22. Kg2 Nxe1+ 23. Rfxe1 Qxe4+. On the other hand, after 20...Qg6 21. Qe2 Qxe4 22. f3 Qa4 23. Nd4 looks fine for White.

Or, how about 20...Qh6, the idea being 21. Qe2 dxe4, and now the threat Nf3+ prevents White from grabbing the pawn. To prevent dxe4, which strongly supports Nf3+, should White pitch the doomed knight by playing 21. Nf6+ first?

OK, I give up... what do the computers say is best after 20. Nxe4?

Mar-17-08  Jesspatrick: ...and when I saw my Fers away, alas I could no longer play!

--Chaucer

Mar-17-08  MostlyAverageJoe: <OBIT: ... OK, I give up... what do the computers say is best after 20. Nxe4>

Hiarcs 11.2 wants to play 20... Qh6, and the position is drawish (-0.06). 20...Qg6 evaluates as dead draw (0.00) after some sliding back and forth.

BTW, the position after 19 moves is a computer-killer. Only 18 plies in over 2 CPU hours. Basically, this means that there are many nearly-equivalent, highly branching lines, and no serious pruning of the search space can be done.

At lower depths, 20.Qe2 is actually in the lead, and falls behind 20.Nxe4 only after a substantial analysis (16 plies deep). Here are the proposed lines:

1. (-0.09) 20. Nxe4 Qh6 21. Nf6 Qxf6 22. Qb5 <the rest is less reliable ... Nf3 23. Kg2 Nxe1 24. Rfxe1>

2. (-0.41) 20. Qe2 Qg6 21. Nb5 Ng5 22. Kg2 Qf5 23. N3d4 <the rest is less reliable ... Qh3 24. Kg1 Ng4 25. f3>

A slide forward in the line played in the game indicates that white could've probably drawn with:

21. Nb5 Qa6 22. N3d4 Bb6 < the rest is less reliable ... 23. a4 Bxd4 24. Nxd4 Qxe2 25. Nxe2>

23. f3 Nxc3 24. Bxc3 Nc4 < the rest is less reliable ... 25. e4 Bb8 26. b3 Nxa3 27. Qb2 Bd6 28. Nf5 dxe4 29. Nxd6 Rxd6 30. Qxa3 Rxd1 31. Rxd1 exf3>

and wasn't really in a bad shape until 25.h3 (Kh1 was better). But then black went to set up the fork trap, and even after 26 moves, 27.Kg1 does not look too bad (barely -0.41 at 20 plies in 7 CPU hours, not enough to claim a winning advantage).

Jul-17-08  The Ninth Pawn: From Game Collection: The Ninth Pawn's Chess Course :

In F Bindrich vs Z Andriasian, 2007 , we see the tactical blow 27. ... Nd2-f4+! There are TWO PINS going on, the first to the queen, the second to the king. White therefore loses his queen and resigns immediately.

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Featured in the Following Game Collections [what is this?]
27...? (March 17, 2008)
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Could not be easier than thus.
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Black sets up an awesome knight fork!
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27...? (Monday, March 17)
from Puzzle of the Day 2008 by Phony Benoni
27 - Nd3-f4+! exploits alignment White e2-queen + White g2-king
from ACTS: ALIGNMENTS CREATE THREATENED SQUARES! by notyetagm
that queen is mine-fork it over!
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27 ... Nd3-f4+! e3-,g3-pawns must block files not defend f4-sq
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27...Nf4+!
from Pin and the Knight Fork (combined) by patzer2
fork succeeds because defenders can't defend
from Kinnelon Colts-knights horsing around by kevin86


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