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Warwick Norton vs Patrick Laurence Cordue
"Norton Security" (game of the day Nov-06-2011)
NZ Schoolpupils Ch (1977), Auckland, New Zealand, rd 3
Pirc Defense: Byrne Variation (B07)  ·  1/2-1/2

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Nov-06-11  erniecohen: White missed an easy win with 23. ♘h6+ ♔h8 24. ♘f7, and a rather harder one with 24...♔h8 25. ♘f7+ ♔g8 26. ♕d5 ♗b7 27. ♕h5, followed by ♘-f5-d6.
Nov-06-11  JoePhysics: Dear erniecohen:

"White missed an easy win with
23. Nh6+ Kh8 "

and now

24.Rf7

Nov-06-11
Premium Chessgames Member
  al wazir: <White missed an easy win with 23. Nh6+ Kh8 24. Rf7>

It's not *that* easy: 24..Bxh6 25. Qf6+ Kg8 26. Rxb7 Bxb7 27.Qxh6 Rxe2. Black has ♖+♗+♘ vs ♕+♙+♙. Or 26. Rf1 Qd5 27. Qxh6 Qxf7 28. Rxf7 Kxf7.

Nov-06-11  abuzic: <al wazir: <White missed an easy win with 23. Nh6+ Kh8 24. Rf7> It's not *that* easy: 24..Bxh6 25. Qf6+ Kg8 26. Rxb7 Bxb7 27.Qxh6 Rxe2. Black has ++ vs ++. Or 26. Rf1 Qd5 27. Qxh6 Qxf7 28. Rxf7 Kxf7>

23.Nh6+ Kh8
24.Rf7 Bxh6
25.Qf6+ Kg3
26.Rxb7 Bxb7
27.Qxh6 Nd7;

<27...Rxe2 28.Qg5+ Kh8 29.Qd8+ Kg7 30.Qc7+ Nd7;

<(30...Kf8 31.Rf1+ Bf3 <[31...Ke8 32.Qxb7 Nd7 33.Qxa8+]> 32.Qd8+ Kg7 33.Qg5+ Kf7 34.Qf4+ Kg7 35.Qxf3)>

31.Qxd7+ Kh8
32.Qxb7>
;

28.Ng3 Kh8
<28...Rf8 29.Qe6+ Rf7 30.Nf5 Raf8 31.Nxd6>

29.Qxd6 Rad8

<29...Bc8 30.Qxb4 Rb8 31.Qc3>

30.Rf1.

Nov-06-11  erniecohen: <JoePhysics: ...and now 24.Rf7>

Thanks. Sorry about the typo.

Nov-06-11  Gambitbuster: who did draw offer?
Nov-06-11  Sho: What comes of 17. Bxf6?
Nov-06-11  rapidcitychess: Pun would make more sense if the players were switched around.

Of course, then the defense would always fail...

Nov-06-11  SuperPatzer77: If 24. Rf7, what about 24...Qxg5 we overlook???

So, I'm telling you all that White may try perpetual checks - 24. Nf7+ (instead of 24. Rf7) Kg8, 25. Nh6+ Kh8 - threefold repetition. It should be a draw.

SuperPatzer77

Nov-06-11  RandomVisitor: 14.fxg6:


click for larger view

Rybka 4.1 d=15

1. ± (1.26): 14...hxg6 15.Bxg6 c3 16.Bxf7+ Kxf7 17.bxc3 Qc6 18.exf6 exf6 19.d5 Rxe2 20.dxc6 Rxd2 21.Bxd2 bxc3 22.Bxc3 Bxf1 23.Rxf1 Nxc6 24.Rb1 Ke6 25.Rb7 Bf8 26.h4 Rc8 27.h5 Bh6 28.Kh2 Nd8 29.Rb3

2. (1.45): 14...fxg6 15.Bxg6 hxg6 16.Bxf6 exf6 17.exf6 c3 18.Qg5 Qc7 19.Nfg1 Rxe2 20.Nxe2 Bxe2 21.Rae1 Qf7 22.Rxe2 cxb2 23.Re7 b1Q 24.Rxb1 Bxf6 25.Rxf7 Bxg5 26.Rc7 a5 27.Rc8+ Kf7 28.Rf1+ Bf6 29.Rc7+ Ke6

Nov-07-11  kevin86: I guess white has nothing better than a draw here...
Nov-20-11  erniecohen: <kevin86> The final position is not a draw; it is a win for white: 24...♔h8 25. ♘f7+ ♔g8 26. ♕d5 ♗b7 27. ♕h5 ♘d7 28. ♘g3f5 ♕e6 29. ♘f7xd6 ♕g6 30. ♕xg6 hxg6 31. ♘xg7

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