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Jerzy Krzyszton vs Julius Nielsen
"Krzysztonite" (game of the day Sep-22-2021)
7th Correspondence World Championship (1972) (correspondence), ICCF
Spanish Game: Classical. Central Variation (C64)  ·  1-0

8
7
6
5
4
3
2
a
1
b
c
d
e
f
g
h
White to move.
ANALYSIS [x]
1-0

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
FEN COPIED

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Kibitzer's Corner
Feb-20-21
Premium Chessgames Member
  Stonehenge: Krzysztonite
Sep-22-21  Brenin: The win at the end is not obvious: after 31 ... Ke5 (Kg5 32 Rd5+ is no better) 32 Rd5+ Ke4, White can play 33 Rxc5, and although Black has 33 ... Qxh2+ 34 Kf1 Qh1+ 35 Ke2 he has now run out of useful checks and will soon be mated, e.g. by Qf4 or Qd5.
Sep-22-21
Premium Chessgames Member
  An Englishman: Good Evening: Second consecutive Game of the Day with a great title! My cup punneth over.

White played 17.Nc5 with the idea of 17...B(or Q)xc5; 18.Rxe6+,fxe6; 19.Qxe6+ and mate next move. Pretty good.

Sep-22-21  Brenin: Veni, vidi, perditi.
Sep-22-21  goodevans: A really good piece sac. White gets an advantage whether or not it's accepted.

This would appear to be it's second outing, the first being R Bogdanovic vs Damjanovic, 1964. I wonder if White new of that game.

https://www.365chess.com/ has a further 5 instances of the sac, all of which were successful.

Sep-22-21  Teyss: <goodevans> Thanks for looking into this. Since the 365chess link was blank (probably requires an account), I looked into CG and only found a third game also winning for White: E Anbuhl vs P Fehling, Michael, 1982

Don't know if White knew of the 1964 game but if he did, he didn't analyse it properly because 16.a3 is better than 16.Nfxg5 as in the game: it pushes the BQ away (e.g. Qxb2) to follow with 17.Nexg5 avoiding the strong reply Qd6.


click for larger view

Nexg5 is better than Nfxg5 because the e column is now open for the e1 R and the f3 N can protect d4 avoiding a counterattack with Qxd4 or Bxd4. SF (15 min.) gives +3.6 for 16.a3 and +1.9 for 16.Nfxg5. In the 1964 and 1982 games White played 16.a3.

The pun, is it just about <Kryptonite> or does it hint White played like Superman?

Sep-22-21  Honey Blend: Black could have defended better by not accepting ♗g5 and play the simple 14. ... 0-0 instead.

Another chance was 16. ... ♘f4 trying to defend his ♗e6. If 17. g3 to drive the knight away, 17. ... ♕c4 attacks the Queen and defends the bishop at the same time.


click for larger view

Now if White keeps adding attackers, e.g. 18. ♘c5 ♘e2+ and ♖xe2 will be forced otherwise if the King moves, he loses the queen.

And yet another opportunity is the hard to spot 20. ... ♖ad8! taking advantage of the Knight's position. If White accepts 21. ♖xd4 ♘e2+ 22. ♔f1 ♘xd4 and the Knight falls after the Queen moves away.


click for larger view

23. ♕e4 ♗xc5 24. ♕f4+ ♔g8 25. ♕xc7 ♗b6 and Black's pieces have a lot of activity.

Sep-22-21
Premium Chessgames Member
  HeMateMe: Green squared board?
Sep-22-21  Ironmanth: Nice game and great comments! Y'all stay safe out there today!

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