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Rodney Malpert vs Bruce Rind
20th World Open (1992), Philadelphia, PA USA, rd 2
Sicilian Defense: Smith-Morra Gambit. Accepted Paulsen Formation (B21)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Sep-29-12  Dr. J: 1) I think this is one of those
combinations where most variations must be appraised, not calculated to the finish. I think this is reasonable because it seems clear that after any Black choices, White has easy attacking choices that involve batting the Black king around the board while various Black pawns and pieces fall by the wayside.

2) *** WELCOME *** BACK *** DAVE Z ***. You have been missed! (But I think you may be a bit rusty. See next note.)

3) One important variation: 15 Nxe6 fxe6 16 Qh5 Kf7 (not 16...Ne7 17 Nxe7) 17 Nf4 Ne7 18 Bxe6+ Kf6 19 Nxg6 (not 19 Qf5+ Nxf5) Kxe6 (not 19...Nxg6 20 Qf5+ mating) 20 Nxh8 with huge advantage.

Sep-29-12
Premium Chessgames Member
  morfishine: What is striking here is White is so far ahead in development (after tossing a pawn) he's ready to sacrifice more material to force the win. Black is in effect playing a piece-down due to his Rook on <h8> being out of play

<15.Nxe6 fxe6> (Refusing the sacrifice with 15...Be7 allows 16.Nxg7+ and Black's position is collapsing)

<16.Qh5 exd5 17.Qxg6+ Kd7 18.Qf7+ Be7 19.Bxd5 Qd2 20.Be6+ Kd8 21.Rfd1 Qb4 22.a3> Once the Queen moves, 23.Rxd6+ is fatal

For example, 22...Qa5 23.Rxd6+ Kc7 (23...Bxd6 24.Qd7 mate) 24.R6xc6++ Kd8 25.Rd1+ forces mate:


click for larger view

*I spent considerable time on <15.Rxc6> but found that after <15...exd5 16.Rxc8+ Bxc8 17.exd5 Be7 18.Nc6 Qc7 19.Re1 O-O> and Black escapes, barely

Perhaps someone can improve on this line and show that White can win here too...I'm too exhausted to do much more with this position [today]

Sep-29-12  Djoker: 15. Nxe6 fxe6(otherwise white will exchange knight and bishop...and will be better off..with queen and bishop looming over the black king) 16. Qh5 ....Few possibilities
A. 16...exd5 17.Qxg6+ Kd8(...Kd7 18.exd5 Nd8 19. Qf5+ Ke8/e7 20.Re1+ ...) 18. exd5 (Bh4+ might be good too) Ne7 (...Ne5 19. Bh4+ Be7 20.Qxd6+ Ke8 21. Qxe7#) 19. Qxd6+ Ke8 20.Rce1 Rc7 21. Qf4 (threatening d6) Rc4 22. Qb8+ Qd8(...Rc8 Qxb7 ..black has no good moves because ofd6 threat) 23.Qxb7 and white is in a strong position. Will come back with B shortly.
Sep-29-12  Djoker: B. is better analyzed by <dzechiel>. Thanks
Sep-29-12  LoveThatJoker: Interesting puzzle! Stockfish says that 18. Bh4+ (as opposed to the game's 18. exd5) is also winning.

It liked my idea of 18. Bh4+ Be7 19. Qxd6 Ke8 20. Qg6+ Kd7 21. exd5! a lot - by about a Queen.

It also very much liked my entire "Part 2" lines.

***

In regards to my 18. Bh4+ Ne7 19. Qxd6+ Ke8 line, Stockfish has this to say:

A) White would have been clearly winning after 20. Rxc8+ Bxc8 21. Bxd5 Nxd5 22. Qg6+ Kd7 23. exd5 Kc7 24. Qc6+ Kb8 25. Bg3+ Ka7 26. Qxc8 .

B) Had I opted for 22. Qd5 White would have been at least clearly better.

C) The problem with my going in for 22. Qg6+ Kd8 23. Qxg7 Rf8 24. Bd5 is that after 24...Qd2 Black has everything covered and his DSB influences the position in a strong way. Stockfish gives the evaluation as here; despite the fact that White has restored material parity.

***

In my Baseball scoring system, out of a possible Home Run, I've netted a Double/Triple for today's effort - whereas in Formal scoring system: 0.80 out of 1.

LTJ

Sep-29-12  James D Flynn: White has sacrificed a pawn for development. His pieces are fully developed and his K is safely castled. Blacks K-side is undeveloped his N on g6 is inviting a pin by Nxe6 and Qh5. That sequence of moves opens his K to Whites aggressively posted pieces. 15,Nxe6 fxe6(the N threatens Nxf8 followed by Bxd6 and so must be taken) 16.Qh5 exd5( attempts to defend the N fail to Nf4 eg.Ne5 17.Nf4 Kd8(if Kf7 18. Bxe6+)18.Nxg6 Nxg6 19.Qxg6 Be7 20.Bxe6 Rxc1 21.Rxc1 Re8 22.Qxg7 white has regained his piece and won 3 pawns with continuing attack) 17.Qxg6+ Kd8 18.Bh4+ Be7 19.exd5 Bxh4(if Ne5 20.Qxd6+ Ke8 21.Qxe7#) 20.Qxd6+ Ke8 21.dxc6 Rxc6 22.Rfe1+ Be7 23.Qxe7#.
Sep-29-12  Djoker: Thanks <LTJ> for posting Bh4 line and stockfish analysis. Note to self: Don't be lazy.
Sep-29-12
Premium Chessgames Member
  agb2002: White is a pawn down.

Black would probably consider Nxd4, Qxd4, e5 followeb by Be7 and 0-0.

The first idea that comes to mind is 15.Nxe6, opening lines against the uncastled black king:

A) 15... fxe6 16.Qg4, aiming at e6 and g7 and x-raying c8 and g7

A.1) 16... exd5 17.Qxg6+

A.1.a) 17... Ke7 18.Qxd6+ Ke8 (18... Kf7 19.Bxd5+) 19.Qg6+ seems to help White with hist attck.

A.1.b) 17... Kd8 18.exd5 Ne5 19.Bxe5 dxe5 20.d6 looks bad for Black.

A.1.c) 17... Kd7 18.exd5 Ne5 19.Bxe5 dxe5 20.Qe6+ Kd8 21.d6 is similar to A.1.b.

A.2) 16... Nge5 17.Qxe6+

A.2.a) 17... Ne7 18.Nxe7 Bxe7 (18... Rxc1 19.Nc6+) 19.Rxc8+ Bxc8 20.Qxc8+ and White stands much better.

A.2.b) 17... Be7 18.Bxe5 dxe5 (18... Nxe5 19.Qxe7#) 19.Rxc6 Qd8 (19... B(R)xc6 20.Qxe7#) 20.Qg6+ Kf8 (20... Kd7 21.Nb6+) 21.Nc7 and Black can't stop Qf7#.

A.2.c) 17... Kd8 18.Bh4+ g5 (18... B(N)e7 19.Bxe7+ wins) 19.Bxg5+ hxg5 20.Qf6+ and 21.Qxh8 + /- [R+2P vs B+N] and the attack continues.

A.3) 16... Nce5 17.Qxe6+ Ne7 18.Nxe7 is similar to A.2.a.

A.4) 16... Kf7 17.Nf4 Nxf4 18.Qxf4+ followed by 19.Bxe6 (18... Ke7 19.Qxd6+) looks good for White.

A.5) 16... Nge7 17.Qxe6

A.5.a) 17... Nd4 18.Qxd6 Nxb3 19.Nc7+ Rxc7 (19... Kf7 20.Qe6#) 20.Rxc7 + /-, and the double threat 21.Rxb7 and 21.axb3 wins a piece.

A.5.b) 17... Nd8 18.Rxc8 (18.Qxd6 Bxd5 seems to simplify the position too much) 18... Bxc8 19.Qxd6 with the threat Nc7+.

B) 15... Be7 16.Nxg7+ + -.

C) 15... Nd8 16.Ndc7+ Kd7 (16... Ke7 17.Qd6+ Kf6 18.Ne8#) 17.Nxf8+ wins.

Sep-29-12
Premium Chessgames Member
  agb2002: According to Houdini 16.Qg4 is practically as good as 16.Qh5. However, after 16.Qg4 Nge7 my move 17.Qxe6 (line A.5) is a blunder which equalizes the game after 17... Nd4 (threatening Nxe6 and Ne2+). Instead, 17.Nxe7 Nxc6 18.Qxe6 gets a winning position.
Sep-29-12  JG27Pyth: Well, with an imaginary gun to my head and some sinister black gloved madman demanding I sac a piece "or the girl dies" then, yes, I found Nxe6... as for calculating the rest of the way to the win.... uh, errrm... Here's the suitcase with the ransom money -- empty? Nothing but some argyle socks and half an egg salad sandwich wrapped in foil? How can that be? There's been some sort of mix-up, I assure you...
Sep-29-12
Premium Chessgames Member
  kevin86: White gives away two pieces and goes for the throat with the queen.
Sep-29-12  rapidcitychess: The position absolutely begged for Nxe6. And of course, the weak knight on g6 didn't help black's cause.
Sep-29-12
Premium Chessgames Member
  chrisowen: Enough of the molly coddlin effect in sic, get on havin eg bags and

bags right in room for sac (fend off my ne6 in hastle hustle queen)

linch a ring cross over h5 it track in weaken for g6 i join the

legions of those wanting immediate action d4 in e6 arabica fxe6

alphabet soup later yet i am white going for blast off in queenh5 it

head above the clouds as ar exd5 in ending second knight's dream

alas Qxg6+ parking d8 over bat i'm exd5 ar far a scally it hope ne7

and tell queen aimed d6+ alive in black it e8 fall trapped big

reticence in fire up ride another e6 making room for pawn push in

ever estimate cap off d6 knighte7 shade for now loin bears fruit d6

pot calling queen kettle, in early it out b5 lack bite can in e7 writhe

no avail in ergo ne6!

Sep-29-12  Patriot: The knight on d5 is en prise and cannot immediately do any damage. It must either be retreated or a counter-attack must be found. Since retreat is not promising if you want to try to win, is there potential in a counter-attack?

15.Nxc6 Rxc6 probably leads to nowhere.

I also notice the black queen has only one safe square (d8) but white seems to have no way of trapping it.

15.Nxe6 looks very interesting. 15...fxe6 16.Qh5 Kf7 (or else I think white is getting a nice attack) 17.Nf4:

If black is to hold on then either 17...Ne7 or 17...Ne5 must be played.

A) 17...Ne7 18.Nxg6 Nxg6 19.Qf5+ wins it back with an attack.

B) 17...Ne5 18.Nxg6 as above.

So I will go with 15.Nxe6. If black doesn't capture I can at least grab the bishop pair with 16.Nxf8. I don't see anything dangerous for black so it should be at least an advantage for white.

Sep-29-12
Premium Chessgames Member
  Jimfromprovidence: I got lost in the fog of combinations. In particular, this one tripped me up.

I diverged from the text with 18Kc7


click for larger view

Im thinking that after 19 dxc6 Bxc6 black is OK


click for larger view

But white wins with 20 Be6!, below, seeing 20Qb6 21 Qf7+ Kb8 22 Bxc8.


click for larger view

Sep-29-12  Strongest Force: I knew the black player when he/we were young. He picked up some of my bad habits.
Sep-29-12  LoveThatJoker: <All> Just a quick note in regards to my follow-up post:

"In regards to my 18. Bh4+ Ne7 19. Qxd6+ <Kd8> line, Stockfish has this to say" is what I meant to write!

<Djoker> I appreciate the kind shout-out, man! I'm glad that Stockfish's analysis was able to confirm where my solution post was correct, and where it was not.

I'm also glad that it confirmed the correctness of the 18. Bh4+ idea.

LTJ

Sep-29-12  Conrad93: I saw the knight sacrifice, but I was thinking more about 15. Kf7.
Sep-29-12  Conrad93: Houdini recommends 22. Rc7!
Sep-29-12  Holzschieber: Could someone explain to me why after 11.Nd5
black does not take the knight with the e-pawn?
Sep-29-12  Nerwal: If 11... exd5 12. exd5 ♘ moves then whites immediately gets a crushing attack along the e file with d6 and ♖e1+. So the piece cannot be taken while the dark-squared bishop still stands at f8.
Sep-29-12  Patriot: <Holzschieber> I think <Nerwal> is right. I'm not sure how black avoids losing a piece back with an attack. For example, 11...exd5 12.exd5 Nd8 13.d6 Nec6 14.Re1+. It all looks very risky and at black's expense. Whenever the risk vs reward indicates the move you are considering puts yourself under a lot of pressure, it's probably not good! Now to see what Houdini thinks:

It thinks 13.d6 is also good but not best:

New game - Houdini 1.5a x64, Blitz:4'+2" Microsoft


click for larger view

Analysis by Houdini 1.5a x64:

1. (1.32): 2.Qd4 d6 3.Bxe7 Bxe7 4.Qxg7 Rf8 5.Rac1 Bf5 6.Rce1 Ra7 7.Re3 Rc7 8.Rfe1 Bg6 9.Nd4 Qb4 10.Nc6 Nxc6 11.dxc6 Qf4 12.g3 Qg5 13.h4 Qc5 14.Qf6 d5 15.Qf4 Qxc6 16.Rxe7+

2. (0.78): 2.Nd4 d6 3.Re1 Qb6 4.Rc1 g5 5.Bg3 Rg8 6.a4 Rg6 7.axb5 a5 8.Nc6 a4 9.Bxa4 Bf5 10.Bc2 Bxc2 11.Rxc2 Rf6 12.Qe2 Ndxc6 13.bxc6 Qa5 14.Rd2 0-0-0 15.Qg4+ Nf5

3. (0.74): 2.d6 Nec6 3.Re1+ Ne6 4.Bxe6 fxe6 5.Qd5 Kf7 6.Rxe6 dxe6 7.Qxc6 Bxd6 8.Qxd6 Rf8 9.b4 Qa4 10.Ne5+ Kg8 11.Be7 Re8 12.Qc7 Rxe7 13.Qxe7 Qc2 14.Re1 Qd2 15.Qe8+ Kh7 16.Qg6+ Kg8 17.Qb1 Qc3

4. (0.65): 2.Re1 d6 3.Nd4 Qb6 4.Rc1 g5 5.Bg3 Rg8 6.a4 Rg6 7.axb5 a5 8.Nc6 a4 9.Bxa4 Bf5 10.Bc2 Bxc2 11.Rxc2 Rf6 12.Qe2 Ndxc6 13.bxc6 Qa5 14.Rd2 0-0-0 15.Qg4+ Nf5

5. = (0.25): 2.Rc1 d6 3.Re1 Bg4 4.Qd4 Bxf3 5.Bxe7 Bxe7 6.gxf3 f6 7.Qe3 0-0 8.Qxe7 Nf7 9.Re2 f5 10.Kg2 Qb6 11.Rc6 Qd4 12.Qe6 Qh4 13.Rxd6 Qg5+ 14.Kf1 Qf4 15.Rxa6 Qxh2 16.Re3

6. = (0.00): 2.Bxe7 Bxe7 3.Re1 d6 4.Qd4 Kf8 5.Rxe7 Kxe7 6.Qxg7 Re8 7.Qxh6 Nb7 8.Rc1 Nc5 9.Bc2 Qxa2 10.Qg5+ Kf8 11.Qh6+ Ke7 12.Qg5+

I think black saw the pressure he would be under and decided to go with something safe.

Sep-29-12  waustad: As has happened so many times, I looked at the right continuation but didn't evaluate it right.
Oct-01-12  Conrad93: You probably spent too little time looking at it.

These players spend minutes, sometimes even hours looking for the right combination, and there are no indicators that there is a nifty continuation.

I saw the knight sacrifice, I just underestimated black's defense.

Mar-12-15
Premium Chessgames Member
  kstokker: After flawless and dominating play, my old mentor almost threw it away with 22.Rd1(?), allowing, had Black seen it, 22... Bxd5. The best Fritz gives after this is 23.Rxd2 Bxe6 24.Bxe6.

Rod is a strong pawn up in this line, and the game belongs to him, but the smashing win was 22.Rc7!

Without doubt the adrenaline was flowing, and it would have taken some strong guts to leave his 1st rank open like that.

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