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Charles Hertan vs John A Curdo
Come Back to UMassacre (1987), Amherst, MA USA
Italian Game: Giuoco Pianissimo. Normal (C50)  ·  1-0



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Given 7 times; par: 43 [what's this?]

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sac: 29.Bxg5 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Premium Chessgames Member
  perfidious: I'd forgotten about Mr Donkey, which is all the funnier to me, years on, because 'donkey' in poker is one way to describe what we call a 'patzer'.

Next question, Charlie: will you be reprising 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4 one day? That was a classic too!

Oct-27-11  cehertan: The Polish correspondence player Wolochowicz just came out with a little monograph on 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4 (the Damiano Gambit)! He references my 1981 Chess Life articles and uses a few of my games and recommendations. (see the game vs. waitzkin). USCF unfortunately rescinded my "donkeyhood" due to a rash of sudden name changes in the federation, such as "Mr. X" and the like...
Oct-27-11  Strongest Force: Wow, Charlie, I have not spoken to you in about 3 decades. Remember a foot race in Philly between you and two other guys which you won. People must have thought we were crazy running through the least I didn't finish last...that last place dude was Jon Schroer.
Premium Chessgames Member
  perfidious: This position is Sunday puzzle material:

click for larger view


Premium Chessgames Member
  perfidious: <cehertan: ....USCF unfortunately rescinded my "donkeyhood" due to a rash of sudden name changes in the federation, such as "Mr. X" and the like...>

Dirty wretches-they could have let you keep Mr Donkey, at least!

Oct-08-17  mel gibson: The computer agrees with the first few moves:

26. Nxg6 (26.
Nxg6 (♘f4xg6 ♘f8xg6 g4xf5 ♗e6xf5 ♖g2xg6 ♗d8-g5 ♗e3xg5 ♗f5xd3 ♖g6xh6+ ♔h7-g8 ♗g5-f6+ ♖f7-g7 ♗c2xd3 ♖g7xg1 ♔h2xg1 ♕d7-e6 ♗d3-g6 ♕e6xf6 e5xf6 ♖e8-f8 ♗g6-h5 b7-b6 f6-f7+ ♔g8-g7 ♖h6xc6 ♖f8-h8 ♗h5-g4 b6-b5 ♖c6-a6 ♔g7xf7 ♖a6xa7+) +7.44/19 15)

score for white +7.44 depth 19

Premium Chessgames Member
  perfidious: First puzzle in a while featuring two former opponents, and more'n likely the only one to date on a Sunday.

A most elegant combination by old friend Charlie Hertan, which he annotated in <Chess Horizons>; as noted by <chancho>, Curdo was usually the player meting out such punishment rather than being the recipient.

Oct-08-17  mel gibson: I actually saw a different move & just tried it out on the computer. 26 Nh5 PxN

so if Black was silly enough to take the Knight it's mate in 17 !

(26. .. gxh5 27. gxf5 (g4xf5 ♗e6xf5 ♕d3xf5+ ♕d7xf5 ♗c2xf5+ ♘f8-g6 ♖g2xg6 ♗d8-g5 ♖g6xg5+ ♔h7-h8 ♖g5xh5 ♖f7-g7 ♖h5xh6+ ♔h8-g8 ♖g1xg7+ ♔g8xg7 ♖h6-h7+ ♔g7-g8 ♖h7xb7 ♖e8-a8 ♗e3-f4 ♖a8-b8 ♖b7xb8+ ♔g8-f7 e5-e6+ ♔f7-e7 ♖b8-b7+ ♔e7-f8 ♗f4-d6+ ♔f8-g8 ♗f5-h7+) +M17/14 63))

Premium Chessgames Member
  al wazir: I got the first two moves and contemplated 28. Rxg6, but I opted for 28. Qxf5 instead. After 28...Rxf5 29. Rxg6 Rg5 (to foil Rxh6#) 30. Rd6+ Kh8 31. Rxd7, white is a piece up.
Oct-08-17  Cheapo by the Dozen: I totally overlooked the ... Bg5 defense. And when I did see it come up in the game, my response was R(6)xg5.
Oct-08-17  diagonalley: wonderful... but too complicated for <diagonalley> :-(
Premium Chessgames Member
  WorstPlayerEver: Geez simple as funk.
Premium Chessgames Member
  al wazir: <28. Qxf5 Rxf5 29. Rxg6> Bg5 spoils my line.
Oct-08-17  Walter Glattke: White also wins with 28.Nxe6 Rxe6 29.gxf5 gxf5 30.Qxf5+ Rxf5 31.Bxf5+ Ng6 32.Rxg6 Rxg6 33.Bxg6+ Kh8 34.Bxh6 or
32.Bxd7 Rxg1 33.Kxg1
28.-Nxe6 29.gxf5 gxf5 30.Bxh6 (Rg6? Ng5!) Kxh6 31.Qe3+ Kh7 32.Rg6 Ng5 33.R1xg5 Bxg5 34.Qxg5
Premium Chessgames Member
  drollere: this was sheer fun ... with his Q attacked, he adds Rh6 to the skewer.
Premium Chessgames Member
  agb2002: The material is identical.

The crossing point of the g-file and the b1-h7 diagonal is g6. This suggests 26.Nxg6, to weaken both lines, 26... Nxg6 (26... Kxg6 27.gxf5+ wins) 27.gxf5 Bxf5 28.Rxg6 Bg5 (28... Bxd3 29.Rxh6#) 29.Bxg5 Bxd3 (29... Kxg6 30.Bf6+ followed by 31.Qxf5 wins decisive material) 30.Rxh6+ Kg8 (30... Kg7 31.Bd2+ Kf8 32.Bb4+ and mate in three) 31.Bf6+ Rg7 (31... Kf8 32.Rh8#) 32.Bxd3 Ree7 (32... Rxg1 33.Rh8+ Kf7 34.Rh7+ Kf(g)8 35.Rxd7 wins decisive material) 33.Bxg7 Rxg7 34.Rxg7+ wins decisive material (34... Qxg7 35.Rg6; 34... Kxg7 35.Rh7+).

Premium Chessgames Member
  agb2002: In my subline 32... Rxg1 the immediate 33.Kxg1 seems to be even stronger.
Oct-08-17  morfishine: <26.Nxg6> looks like a winner



Oct-08-17  gofer: A queen sacrifice on a <Sunday>! Okay its not the first or even the second move, but its there waiting in the wings...

<26 Nxg6 ...>

26 ... Kxg6?
27 gxf5++ Kh5 (Kh7 fxe6+ +-)
28 f4! mating

click for larger view

26 ... Nxg6
27 gxf5 Bxf5
28 Rxg6!! Bxd3
29 Bxd3 +-

White threatens Rxh6# and the issue for black is that Rxh6 is a double check, so defending against it is really difficult!

Is there an alternative defence for black? Not that I can see!


Like <Cheapo> I missed <28 ... Bg5> as a defence. I thought it would come later, but as white will regain tempo with the queen sacrifice the result is not too different.

Oct-08-17  yadasampati: 26.Nxg6 is so obvious, that i first thought it was Monday already :-)
Oct-08-17  patzer2: I quickly saw the first two moves 26. Nxg6!! Nxg6 27. gxf5 Bxf5 of today's Sunday puzzle (26. ?) solution. However, on my third move, like <al wazir,> I went for 28. Qxf5? Rxf5 29. Rxg6 (diagram below.)

click for larger view

Here (diagram above) the obstruction 29...Bg5! ∓ (-1.04 @ 34 depth, Stockfish 8) turns the game in Black's favor.

What I missed, in addition to 29...Bg5! (waiting to be played in the diagram above), is White's devisive follow-up 28. Rxg6! +- (+10.64 @ 35 depth, stockfish 8.)

After 28. Rxg6! (diagram below,)

click for larger view

the enprise Rook and the Queen are perfectly safe. Indeed, they are poisoned pieces. If 28...Bxd3??, then simply 29. Rxh6#. If 28...Bxg6, then 29. Qxg6+ Kh8 30. Bxh6 +-, with the threat of 31. Qh5, forces mate-in-seven.

So after 28. Rxg6!, what should Black play? The strongest response is the game continuation 28...Bg5 29. Bxg5 Bxd3 30. Bxg3 hxg5 31. R6xg5+ +- (+7.65 @ 35 depth, Stockfish 8.)

And even then best play is not simple, as after 31...Kh6 White's strongest winning continuation is the difficult 32. Rg6+ Kh5 33. f4! +- (+28.09 @ 34 depth, Stockfish 8.)

P.S.: For an early improvement, instead of 14...f5 allowing 15. Ne2! ± (+0.68 @ 34 depth, Stockfish 8,) Black can hold it near level with the more active reply 14...Qh4 15. Be3 f5 = to ⩲ (+0.18 @ 32 depth, Stockfish 8.)

Premium Chessgames Member
  thegoodanarchist: Charles put a Hertan on Curdo
Oct-08-17  stst: Too many variations, and a typical heavy weapon street dog fight. Try one easy line (almost gurantee the game would play out very differently): 26.Nxg6 NxN
27.Bxh6 KxB
28.gxf5 Bxf5
29.Qe3+ Kh7
30.RxN BxR
31.BxB+ Kg7
32.BxR dis+ KxB
33.Qf4+ Ke6
34.Rg6+ Be6
Oct-08-17  bubuli55: Deviated from text on move 36.

Moved the other R.

36.R4g5+ instead of the game's 36.R6g5+

Oct-09-17  Granny O Doul: Yeah, hard to resist the double check. Also, it's more fun to draw the king deeper into White's territory.
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