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Jonathan Speelman vs Hans Ree
Lone Pine (1978), Lone Pine, CA USA, rd 3, Apr-04
English Opening: King's English. General Variation (A21)  ·  1/2-1/2
ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Mar-19-11  VincentL: Well the game continuation didn't amount to much. Letīs see what the other kibitzes have to say.
Mar-19-11  alachabre: Wow. I did not consider 31. Kf6. Brain fart. I probably missed a lot in my analysis, but I guess that's Saturday for ya.
Mar-19-11  VincentL: Itīs evidently a spoiler.

Like others, I checked the black king round the board for some time, but could not force a win against best defence.

Nice to see a grandmaster (Ray Keene) contributing to the daily puzzle kibitzing.

Mar-19-11
Premium Chessgames Member
  gofer: Well, I look at this and I can only see a draw at best for white. Black has a massive attack waiting via the discovered check and Qxa3, so white has to be very quick to get out of jail. But although there may seem be two ways to get it, I think there is only one!

The rook/queen reloader seems to come unstuck...

28 Rxh7+ Kxh7 29 Qh2+ Kg7 30 Qh8+ Kf7 (31 Qh7+ Ke6 32 Qxg6+ Kd7 winning for black) 31 Qg8+ Kf6 32 Rf8+ Kg5 33 Qxd5+ Kh4 and now things look very difficult for white. 34 Ne4 looks interesting but I think this loses to 34 ... Re3+ 35 Kd2 Rxe4

But what about sacrificing both a rook and knight for the draw???!!!

<28 Nf5+ gxf5>
<29 Rxh7+ Kxh7> (Kg6 Rxe7 winning Kf6 Qh4+ winning)

<30 Qxf5+ Kg7>
<31 Qxg4+ Kf6>
<32 Qf4+ Kg7> draw

Time to check...

Mar-19-11  eblunt: <Once> Excellent!
Mar-19-11
Premium Chessgames Member
  gofer: At last, after two days of floundering around in the dark, I finally see the light! Roll on Sunday!
Mar-19-11  VincentL: Is there any chance of winning with 28. Rc2 ?

28.....Rd3+ 29. Kc1 Qg5+ etc. looks horrible, but maybe white can ride the storm.

Mar-19-11
Premium Chessgames Member
  Penguincw: This is a tough puzzle.I just guessed Kc1 moving out of the bishop view.If I were playing the white pieces from that position,I would play 0-1. :(
Mar-19-11
Premium Chessgames Member
  Phony Benoni: <VincentL: Is there any chance of winning with 28. Rc2? 28.....Rd3+ 29. Kc1 Qg5+ etc. looks horrible, but maybe white can ride the storm.>

Afraid not. After <28.Rc2 Rd3+ 29.Kc1>


click for larger view

<29...Qxa3+> is deadly. It's mate after 30.Rb2 Qa1+ 31.Rb1 Qc3+, and 30.Kb1 Bxc2+ 31.Kxc2 (31.Qxc2 Rb3+ 32.Qxb3 Qxb3+ and 33...Qxg3) 31...Qb3+ 32.Kc1 Rc3+ 33.Kd2 Qb2+ and 34...Rc1# is not far behind.

Mar-19-11  CapablancaFan122: Got the first four moves. I was looking for a win, not a draw. :/
Mar-19-11  theodor: <<gofer>:... 28 Rxh7+ Kxh7 29 Qh2+ Kg7 30 Qh8+ Kf7 (31 Qh7+ Ke6 32 Qxg6+ Kd7 winning for black) 31 Qg8+ Kf6 32 Rf8+ Kg5 33 Qxd5+ Kh4 and now things look very difficult for white.>> 34.Qh1+;Kxg3 35.Qg1+;Kh4 36Qh2+Kg5 37.Qf4+; Kh5(or h4) 38.Rh8#
Mar-19-11
Premium Chessgames Member
  Sastre: <theodor: <<gofer>:... 28 Rxh7+ Kxh7 29 Qh2+ Kg7 30 Qh8+ Kf7 (31 Qh7+ Ke6 32 Qxg6+ Kd7 winning for black) 31 Qg8+ Kf6 32 Rf8+ Kg5 33 Qxd5+ Kh4 and now things look very difficult for white.> 34.Qh1+;Kxg3 35.Qg1+;Kh4 36Qh2+Kg5 37.Qf4+; Kh5(or h4) 38.Rh8#> Instead of 36...Qg5, 36...Rh3+ is winning for Black.
Mar-19-11  theodor: <<VinsentL>..(a) 33......Kh6 34. Rh8+ Kg7 35. Qg8+ Kf6. I am struggling to find the win.> 36.Nh5+ is winning
Mar-19-11  theodor: <Sastre: <theodor: <<gofer>:... 28 Rxh7+ Kxh7 29 Qh2+ Kg7 30 Qh8+ Kf7 (31 Qh7+ Ke6 32 Qxg6+ Kd7 winning for black) 31 Qg8+ Kf6 32 Rf8+ Kg5 33 Qxd5+ Kh4 and now things look very difficult for white.> 34.Qh1+;Kxg3 35.Qg1+;Kh4 36Qh2+Kg5 37.Qf4+; Kh5(or h4) 38.Rh8#> Instead of 36...Qg5, 36...Rh3+ is winning for Black.> I didnt see that!
Mar-19-11  jheiner: <Once> Bravisimo! Really a nice piece of writing. And great analysis. You're topping yourself.

For me, I rather got this one! Saw the main line through 28.Nf5+ gxf5 29.Rxh7+ Kxh7 30.Qxf5+ and then the limited movement of the Black K was at least worth a draw.

I was looking for a way to snap off the B at a4, but it would have had to be via a blunder by Black starting with some sort of Qf2+ looking to Qa6+ and that was just fantasy. So I checked.

The option to sac the Q on 28.Nf5+ looked good to me, but would still play this OTB for the sheer joy of it. Great puzzle.

Mar-19-11  stst: Bk's P are over-abundance, and the critical position of the B behind the R is a great threat to W, for if W lacks any continuous checks, then the R can easily capture the W Q by a disclosed check (if the WK stays d1), and W will lose. So W could only hope to save the game by a perpetual check. I tried to come up with some other variations, but it does not result in a perpetual. One example: 28. Rxh7 KxR
29. Qh2+ Kg7
30. Qh8+ Kf7
31. Qg8+ Kf6
32. Rf8+ Kg5
33. Rxf5+ Kh4
34. Qh8+ KxN
Then W is running out of checks.
Mar-19-11  thegoldenband: Saw the basic idea almost immediately but went with the 28. Rxh7+ move order, so no gold star for me.
Mar-19-11  stst: This line creates a mate for W, but is dubious at 6)...Kh6. Bk should go 6).. Kh4 and W will not succeed., as the g3N is unprotected, and the two Bk P are good blockers to both W Q and R. Once W stops at checking, Bk release the check by moving R, say to b8, and W Q will be lost at once. If WK moves, it should not be long for Bk to deliver mate.

<< Line suggested: 1) Rxh7 kxh7 7) Rh5+ gxh5
2) Qh2+ kg7 8) Nf5++ >
>

3) Qh8+ kf7
4) Qg8+ kf6
5) Rf8+ kg5
6) Rf5+ kh6

Mar-19-11  dufferps: So many ways for white to force a win with repeated checks. The key is... the rook at c8 must get involved.

Even with the 28)Nf5+ sequence, white should win it, but 28)Rxg7+ ... 29)Qh2+ sequence is better. Black keeps a couple of kingside pawns and White keeps his knight (for a final checkmate).

Mar-19-11  stst: the sequence 28.Rxh7+ ... and later variations looks good, but once the WQ can be blocked by Bk R at b3, thus at the same time allowing Bk to have a check, W is out of checks and losing the Q (and will lose the game pretty soon.) No win for W after all such analyses.
Curious if any engine really finds a win for W.
Mar-19-11  tacticalmonster: <stat> Black cannot play 6) Kh6?? but 6) Kh4 wins for Black as White will soon run out of check:

3) Qh8+ kf7
4) Qg8+ kf6
5) Rf8+ kg5
6) Rf5+ kh6
7) Rh5+! gxh5
8) Nf5# !

Mar-19-11  sevenseaman: One overriding observation: In comparison to clear-cut winning situations, drawish endings provide profoundly more opportunity for flexing the cerebral muscle; by itself a good thing.

In this particular game, the lift-fork check available to Black continuously produces the mirage. The object must remain 'to find a win for White and not Black'.

Sifting through the maze of musings is stamina-stretching, patience-testing. I have not seen any clear line posted, achieving that.

Mar-19-11  TheBish: Speelman vs H Ree, 1978

White to play (28.?) "Very Difficult"

Got it! After spending much too much time looking for a win, and trying to make 28. Rxh7+ Kxh7 29. Qh3+ Kg7 30. Qh8+ Kf7 31. Qg8+ etc. somehow work (like I'm sure many others did), I finally hit upon

28. Nf5+!! gxf5 (forced) 29. Rxh7+ Kxh7 30. Qxf5+. I knew I was on the right track when I noticed that 30...Kh6?? 31. Rh8+ Kg7 32. Rh7+ Kg8 33. Qg6+ mates, and after the forced 30...Kg7 31. Qxg5+ Kf6! (but not 31...Kf7? 32. Qg8+ Kf6 33. Rf8+ Qxf8 34. Qxf8+, giving White winning chances) 32. Qf4+, White has nothing better than a perpetual check draw.

Having said all that, it's a fitting conclusion, as White's king was in trouble (looming discovered check combined with exposed king), and White just happened to have a saving resource in the form of forced checks, but no more than a draw.

Mar-19-11
Premium Chessgames Member
  Phony Benoni: <sevenseaman> That's a valuable point. Too often puzzle-solving is an artificial activity, where a brilliant line of play is sought not because it's justified by the position but because "It has be to there because this is a puzzle!".

The difficulty of today's puzzle was assessing the position correctly, a skill much more useful in actual play.

Mar-19-11  WhiteRook48: dang, i went for 28 Rxh7+ first
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