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Marc Esserman vs Phillip Nutzman
Greg Hager Memorial (2009), Boylston Chess Club, rd 2, Nov-22
Sicilian Defense: Kan. Modern Variation (B42)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 2 ·  Later Kibitzing>
Apr-15-11  nolanryan: haha, I think i resigned before the last move or two
Apr-15-11  nolanryan: 17. Bh7 is the sickest move I've ever faced.
Apr-15-11
Premium Chessgames Member
  Moose Malloy: Outstanding! 17 Bh7 quiet crusher
Jan-02-13
Premium Chessgames Member
  FSR: This game is nutz, man!
Apr-21-13  diagonalley: i had 17. Bg6 instead... seemed strong
Apr-21-13  darshandatta: 20. Nxh6+ looks better
Apr-21-13
Premium Chessgames Member
  An Englishman: Good Evening: I also had 17.Bg6. I assume the move doesn't work, but can't find the refutation.
Apr-21-13
Premium Chessgames Member
  andrewjsacks: Remarkable! What an odd key move to the combination. Problem-like. Study-like.
Apr-21-13
Premium Chessgames Member
  andrewjsacks: I suppose that 0-0 meets 17.Bg6.
Apr-21-13
Premium Chessgames Member
  An Englishman: Good Evening: Most ingenious, Mr. Sacks! Precisely the sort of clever defense many players would miss.
Apr-21-13  M.Hassan: 18.Nh7
That was a last move I would have thought of.
Apr-21-13  UnsoundHero: What happens after 17 Bh7 Ra6 ?
Apr-21-13  vinidivici: Good Sunday puzzle. The hardest is to look for the response after Bh7.

After 17.Bh6, black is better 17...Ra5 to prevent 18.Nd6.

After 17.Bh6 Ra5, white still has a big advantage with

18.Qe5 (threatening Qxg7 or Qc7).
Black best chance is 18...Rxb5 19.Qxb5+...with white has a big advantage.

after 18.Qe5!
If.18...Qf6 19.Qc7...1-0
if. 18...Nc6 19.Qxg7...1-0
if 18...f6 19.Nd6+ Kf8 20.Qxa5...1-0

<UnsoundHero: What happens after 17 Bh7 Ra6 ?> Same with the line i gave above 18.Qe5!

Apr-21-13  vinidivici: I got the the first move actually but my first calculation was 17.Bh6 Rxh7
18.Rxd8 Kxd8
19.Rxf7 g6
20.Qd1+ Qd7
21.Rxd7+ Bxd7

white trade his 2 rooks with black queen, but white with better position.

I know its not so strong, but if i played it in the game, im pretty sure i can win this position with ease.

Apr-21-13  VaselineTopLove: I had 17. Nd6+
Apr-21-13
Premium Chessgames Member
  profK: Isn't 22.Kh1 better..avoids the rook check?
Apr-21-13
Premium Chessgames Member
  whiteshark: <VaselineTopLove: I had 17. Nd6+> 17... Qxd6+, losing the ♘ with check. :)
Apr-21-13  gofer: Black is in so much trouble that I don't see anything that is going to stop white's on-slaught. Ideally white would like to play Nd6+ causing mayhem, but Qxd6+ puts a stop to that, so after that we simply have to find the best way to keep the king in the middle of the board and at the same time allow Nd6+!...

<17 Bh7! ...>

17 ... Ra5 18 Rxd8+ Kxd8 19 Qd1+ Bd7 20 Nd6
17 ... Bd7 18 Nc7+ Kf8 19 Bg6
17 ... Rxh7 18 Nd6+ Kf8 Nxf7

~~~

Wow, I seem to have got it right, not only that I seem to be among the few...

White could also have killed off black quicker!

19 Nxf7 Nc6
20 Nxh6+!!

much neater!!!

20 ... Qf6 (forced)
21 Rxf6+ gxf6 (forced)
22 Qg6 Rxh6+ (forced)
23 Qxh6+ winning easily

Apr-21-13  abuzic: 17.?

White wishes to play Nd6+ or Nc7+, but the Q guards d6 and d7 with a check, the B on d3 blocks the d file in front of the R and black can castle ...0-0 to avoid Nd6+, so

17.Bh7 both opens the d file for the R to support d6 and prevents black castling

1) 17...Ra5 pins the N/Q and prvents Nd6+

18.Qe5 (gets rid of the pin and threatens Qxg7 and Nd6+)

<18.Rxd8+? Kxd8 19.Rd1+ <(19.Qd1+? Bd7 20.Bd3 <20.♘d6?? ♔c7! loses for white> 20...Bxb5 21.Bxb5+ Kc8)> 19...Ke8 20.Qe5 <(20.Be4 Kf8)> 20...Rxb5 21.Qxb5+ Bd7 22.Qxb7 Rxh7 white will be satisfied with a draw>

18...Rxb5 giving the exchange to avoid catastrophy <18...Qh4+ 19.Kg1 Rxb5 20.Qxb5+ Nc6 21.Qb6 Qe7 22.Be4 0-0 23.Bxc6 bxc6 is no better for black>

19.Qxb5+ Nc6 <20...Bd7 21.Qd3 Bc6 22.Rd2> 20.Bd3 white no more needs the open d, and has to safeguard the B <20.Qd3? Qc7+ 21.g3 Ne5, not so pleasant for white>; <20.Be4? Qh4+>

2) 17...Ra6 18.Qe5 Rxh7 19.Nc7+ Kf8 20.Nxa6 Nc6 <20...bxa6 21.Qc3 Bb7 22.Qd3> 21.Qc7 Qxc7 22.Nxc7

3) 17...Rxh7 18.Nd6+ Kf8 19.Nxf7 Nc6 20.Ne5+ Kg8 21.Rf7 Qe8 22.Nxc6 bxc6 <23...Bd7 24.Ne7+ Kh8 25.Rxd7> 23.Rxg7+ Rxg7 24.Kxg7 Qxe8.

Apr-21-13  Erik Wynn: @diagonally - I also had Bg6, but castling seems to neutralize the threat.
Apr-21-13  mistreaver: Sunday. White to play. Insane.17?
When i glanced at the position on the board, i wanted to move the bishop almost instantly : 17 Bg6!
The idea is of course pressure on f7 and also opening the d file so knight can come on d6. I think black can't defend here:
A) 17 ... fxg6
18 Qg6+ Nf7
19 Nd6+
and black gets killed
B) 17 ... Rf8
18 Nd6+ Kd7
19 Nf5+ and Nxe7
C) 17... Ra6.
I think this is most clever defence.
18 Rxd8+ and now:
C1)
18... Qxd8
19 Rxf7 and black is doomed:
C2)
18... Kxd8 and again
19 Rxf7 Qg5
20 Qd1+ concludes matters:
Time to check.
---------------
Ahhh, i missed the cunning 0-0.
Also, after 17 Bh7 Ra6 is most tenacious defence, white has to find: 18 Qe5! in order to threaten Nc7+ which wins.
Apr-21-13  solskytz: I saw and would have totally played 17. Bh7!!

However the rest of it rather beat me... Sunday, after all

Apr-21-13  James D Flynn: Material is equal but Black’s pieces are poorly placed mostly on the back rank while his K is still in the center, whereas White’s pieces are aggressively placed and his K has lost most of its pawn cover but is under no threat. Black could castle on his next move so White needs to check: 17.Nd6+ and if Qxd6 Bb5+ wins the Q for at most a N and a R. 17.Nd6+ Kf8 18.Nxf7 Nxf7 19.Bg6(White threatens 20.Rxf&+ winning back his N and in addition Q for R, Black has no way to defend f7 he can try to save his Q by moving his Q off the 7th rank e.g. Qb4 but the he is mated by 20.Rxf7+ Kg8 21.Rd8 Qf8 22.Rdxf8# so he must defnd d8 while saving his Q : Qc7+ 20.Kh1 Qb6 21.Rxf7+ Kg8 22.Qe5 Rh7 23.Rdf1(threat Rf8# next) Qb4 24.Bxh7+ Kxh7 25.Qxg7#.
Apr-21-13  devere: 17.Bh7!! is entirely logical and very brilliant. To win White must stop Black from castling. It's the thrill of a lifetime to find and play a move like that over the board.
Apr-21-13  David2009: M Esserman vs P Nutzman, 2009 White 17? Insane


click for larger view

Egg on my face! I couldn't understand the problem because I saw 17.Nd6+ Qxd6 18.Bb5+ etc - missing the fact that 17...Qxd6 is CHECK!

Crafty EGT is back after a long absence: here's a link to the puzzle position above: http://www.chessvideos.tv/endgame-t.... The link is interactive: play the position out against the robot, you are white, drag and drop the move you want to make.

The hang-tough robot replies meets 17.Bh7 with 17...Ra6 and I can't see the win. The robot won't castle so it should(?) be beatable from the diagram position. For example White can win a Pawn with the sequence 17.Kh1 Kf8 18.Nd6 f6 19.Bb5 Bd7 20.Nf5 Be8 21.Bxe8 Qxe8 22.Qxe8+ Kxe8 23.Nxg7+ Ke7 24.Nh5 Rf8 25.Rd2 Nc6 26.Rfd1 Rfd8 27.Rxd8 Nxd8 28.a3 Nc6 to reach


click for larger view

There may be better for both sides in this sequence

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