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Milorad Kapelan vs James Tarjan
Kostic Memorial (1983), Vrsac YUG
Zukertort Opening: Sicilian Invitation (A04)  ·  0-1

ANALYSIS [x]

FEN COPIED

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sac: 23...Bxh2+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Feb-23-13
Premium Chessgames Member
  mig55: And after 24Nx e4/dx e4, morphshine?
Feb-23-13  shivasuri4: <Bxchess>, in your line, White would play 25.e3.
Feb-23-13
Premium Chessgames Member
  FSR: Seems straightforward. 23...Bxh2+! 24.Kxh2 OLM Qe5+ 25.f4 (25.Kxh3? Qg3#; 25.Kg1? Qg3+ 26.Bg2 Qxg2#) Rxf4! (intending 26...Rf2 double check) and White's king is not long for this world, e.g. 26.Nxe4 Rf2+ 27.Kxh3 Rh2+ 28.Kg4 h5#.

---

Hmm, OK, I overlooked that 28...h5 isn't mate, forgetting that the pawn is no longer on f3. Close enough, in this case.

Feb-23-13  chesssantosh: <ferrabraz> thank you so much.actually i was quite surprised to find an "easy solution" for saturday
Feb-23-13
Premium Chessgames Member
  morfishine: <mig55> Please clarify your move sequence. For example, to look at 23.Bd4, the White Knight must be on b3; It sounds like you want to play 23.Bd4 with the knight already having been moved to d2 [ie: 23.Nb3 - d2] as in the game move 23
Feb-23-13  Abdel Irada: <Don't worry about it; 26.Nxe4 also fails to 26...Rxe4+>

True. I also looked at that before deciding the double check was more forthright.

Feb-23-13  mistreaver: Saturday. Black to play. Very difficult. 23.?
White's king is in very inconvinient position. But what is the right way of exploiting that factor?
The first thought was:
A) 23... Bd4, in order to threaten Qg5+
But after
24 Nxe4
i am not very sure whether it is the correct move:
24... dxe4 now white king has extra square f2
25 Kf2 and it is hard to get at the king
B)Other idea is to invert the mover oder
23...Qg5+
24 Bxg5 Bd4+
25 e3
This is the key position of the idea since everything is forced, now black has to find some move to keep momentum. I don't find a good reply, and would say that white wins. I really don't know what else to play here, perhaps line A) is the best, but i don't see any ideas. Definitely not my week. Time to see how it went.
--------------
Wow, totally missed this one. I glanced at the sacrifice on h2, but failed to spot Qe5+ which is the key move to visualize. Pretty poor 2.5/6 is this week's performance with one tough puzzle to come. Not the best confidence boost before next week's major tournament in Zagreb.
Feb-23-13  mistreaver: I will merely add that in my A line, instead of 25 Kh2 which loses on the spot to Qe5, the following gives black only a better game: 25 Bxd4 Rxd4
26 Qe3 exf3
27 exf3 (not Qxd4 f2+ and wins)
27...Qxc5
28 Rac1 Qb6
29 b3
Poor combinative vision, together with giving up too early on solving the puzzle is something i have to work on in the future.
Feb-23-13  SuperPatzer77: White to play and lose - see diagram below:


click for larger view

< Morfishine: (1) <26.♘f3> 26...♖xf3+ 27.♗f4 ♖xf4 >

<Morfishine> Yes, 28. ♗xe4 ♖f2++, 29. ♔xh3 ♖h2+, 30. ♔g4 h5+, 31. ♔f3 ♕xe4+, 32. ♔g3 ♖g2+, 33. ♔h3 ♕g4#

SuperPatzer77

Feb-23-13
Premium Chessgames Member
  kevin86: The king is chased by the lions and tigers and then is eaten by nits and gnats.
Feb-23-13
Premium Chessgames Member
  patzer2: The demolition 23...Bxh2+! forces mate with a clever King hunt in no more than nine moves (per Fritz 12) to solve today's Saturday's puzzle.

I got three moves into the combination with 23...Bxh2+ 24. Kxh2 Qe5+ 25. f4 Rxe4, but didn't see Black's clever mate after 26. Nxe4 26...Rf2+! (double discovered check initiating mate-in-four).

Feb-23-13  Patriot: White is up a pawn. White threatens perhaps 24.Nxe4 minimum (24.fxe4 looks seriously bad).

The white king is stalemated so 23...Bxh2+ becomes my first candidate. 24.Kxh2 is forced.

After struggling with 24...Qh5 25.Nxe4 Bf1+ for a while, I realized the white king can go back to g1 giving more resistance. Therefore I believe the key is 24...Qe5+.

25.Kg1 Qg3+ and mate next.

25.Kxh3 25.Qg3#

The only good option is 25.f4:

25.f4 Rxf4 26.Kxh3 Rh4+ 27.Kg2 Qg3+ 28.Kf1 Rxf1#

25.f4 Rxf4 26.Nxe4 Rf2+ 27.Kxh3 Qxh2+

I'm not seeing a good defense anywhere.

Feb-23-13
Premium Chessgames Member
  chrisowen: Oh pen gum up pet 23...Bxh2+ at he door a glorius ok road black,

king in heap for height band queen in e5 very it is mate AI nine incredible bind in board it is king around rubbish give starting within hi ball 24.kxh2 etc bridge off re you in back foot 24...Qe5+ it ace in black heal the wound in fleshing forget it lesson in a 0l dr bin clamp in bull dig back for wall it is a bean to grind 25.f4 again buy hope it is helter skelter tiara in youth 25.Rxf4 the eagle has landed in cc engine,

big call it is a gamble glitch in 26.nxe4 at wooden 26...rf2+ of course 26.nf3 one has in market 26...Rxf3+ ok whilst 26.Bxe4 then go enbold 26...rh4+ castle worth ebony knight sac in e4.

Feb-23-13
Premium Chessgames Member
  chrisowen: At leggy coin a term, nalletour edifice ogle in,

cycle one st h2 in gripper oh see please gm entertain got dutifuls kingxh2 in crumbs again business screw in e5 goofy it he in door again black f8 high gate in f4 a gill for having look in finess queen tailoring haggard it among 25th youth in f4 street 26th has in light free found rich pickings for cued in duty it ramble 26.nxe4 as per game line white silver this instance off clink an cuffed 26.rf2+ patch in wailing 27.Kxh3 king of ashion affable in pudding 27...rh2+ bowl hatch in egging hi grateful 28.kg4 inceed it is coil in artistic approach 28...h5+ it tease in no etceteras 29.kingf3 fade away a wave in blew him see e4#,

a knight in capping knees free king to the bone white knight done in black jet across in feel the wind d5xe4 coming back too#.

Feb-23-13  rotgut: Some thoughts about this game:

1. Would 9. e4 have been better for white? The e pawn on e2 cramps white's position and cuts off the queen side pieces from the defense of the king later. Seems like sometimes these non-committal counter-punch openings are too reserved. If you don't survive the punch, you can't counter-punch.

2. The sequence starting at 14..Ne4 is amusing. The knight retreats on move 18 and then seems to have a change of heart after seeing its fellow pawn sacrifice itself. Regaining its courage, it returns to e4 on move 20, and finds itself immune to capture. From there it plays a major role in the storming of the white fortress.

Feb-23-13  howlwolf: thought this was easier than yesterdays, which I didn't get. got this one quickly.
Feb-23-13  fokers13: Some will choose not to believe me but i found the sequence up to and including Rxf4! within 20 seconds(obviously without having seen the game before).

Unimaginably better than my usual saturday attempts,guess it was too tactical for it's own good.

Feb-23-13  Amarande: Dang!

I saw that White's King was exposed, and that a check on the g-file would end him; similarly if Black's Queen could reach f4 safely, that would also be conclusive.

Since the White DSB is the primary interfering factor in both of these I naturally quickly considered stabbing at it directly with 23 ... d4, after which I saw:

* 24 Bf2? Qg5+ 25 Bg3 Nxg3 and White goes to pieces.

* 24 fxe4? Qg4+ and mate follows.

* 24 Bh6 Nxc5!, regaining the minus pawn with a tremendous position. White can take neither the N nor the R, the former on account of Bxh2+ winning the Queen, the latter on account of Qg5+ forcing mate, as usual. Meanwhile White's King is still as sorrily exposed as ever.

* 24 Nxe4 fxe3 and again White promises to pressure cook soon, nor can he try to defend with 25 Qxe3?? due to Bd4!

Having seen then that ... d4 definitely leads to advantage (and puzzle-wise, this being a Saturday so a quick forced mate is usually not the first thing to think about), I probably would have simply played this over the board, and thus missed a brilliancy.

Feb-23-13
Premium Chessgames Member
  morfishine: <Amarande> 23...d4 looks strong
Feb-23-13  sorokahdeen: I think I must be missing something because the only interesting thing I saw was ...23. Bd4 with several ideas.

24. Bd4 Qg5+ with mate in two.
24. fe4 Be3 #
24. Nf1 Qg5+. 25. Ng3 Be3+

There seem to be a number of idea i wish I had time to stick into a chess engine of some kind before work, but right now, I am working with the assumption that I've missed some simple, garden-variety defense to it all, but in some variations, Bd4 is just devastating.

What's the deal? What's out there?

Feb-23-13  James D Flynn: White is a pawn up but Black’s pieces are more actively placed and White K is somewhat exposed. First thought 23….Bd4 because if the Black Q can check on the gfile without being taken she will mate on g2. 23…..Bd4 24.Nxe4(if Nf1(If Bxd4 24.Qg5+ Bg2 25.Qxg2#) Qg4+ 25.Ng3 Bxe3+ 26.Qxe3 Qxe3# ) dxe4 25.Bxd4 exf3 26.exf3 Rxd4 and Black’s position is better because his pieces are more actively placed but there is no clear win. 23….Nxc5(tempting the piece guarding g5 to move and leaving the N on d2 without a good square, if 24.Bxc5 Qf4 and there is no defense for the h2 pawn and the White K can only flee to squares in the centre where its will be exposed to further attack, if 24.Qxc5.d4(threat Bxh2+ and QXc5) 25.Qc4+ Kh8 26.Bh6 Qh5(threat 27…..Be6 28.Qxe6 Qxf2+ 29.Kf1 Qxh1+ 30.Kf2 Qh7+ 31.Kf1 Bg3 and mate by Qf2# next) 27.f4 Qxh6 28.fxe5 Qe3#)24.Nf1 Bxf1 25.Rxf1 Qh3 26.Rf2 Ne4 27.fxe4 Rxf2 28.Kxf2 Qxh31.2+ 29.Ke1 Qxh1+ 30.Kd2 dxe4+ 31.Kc2 Rc8+ and Black wins Q for R and has 2 passed pawns on the K-side leaving the end game hopeless for White.
Feb-23-13
Premium Chessgames Member
  agb2002: Black is a pawn down.

White threatens 24.Nxe4 dxe4 25.Qc4+ Kh8 26.Qxe4.

The bishop on e3 prevents Qg5+ but is defenseless. This suggests 23... Bd4:

A) 24.Bxd4 Qg5+ 25.Bg2 Qxg2#.

B) 24.fxe4 Bxe3#.

C) 24.Nxe4 dxe4 25.Bxd4 Rxd4

C.1) 26.e3 exf3 27.Rf1 (27.exd4 f2#) 27... f2+ 27.Rxf2 Qxf2#.

C.2) 26.Qe3 exf3 27.Bxf3 (27.Qxf3 Qg5+ wins the queen; 27.exf3 Qxc5 recovers the pawn and seems to keep the attack) 27... Qxc5 recovers the pawn but White looks much better than four moves earlier-

----

Another option is the bloodthirsty 23... Bxh2+ 24.Kxh2 Qe5+ 25.f4 (25.Kg1 Qg3+ 26.Bg2 Qxg2#; 25.Kxh3 Qg3#) 25... Rxf4:

A) 26.Bxf4 Qxf4+ and mate next.

B) 26.Nxe4 Rg4+ 27.Kxh6 Qh5#.

C) 26.Kxh3 Rf3+ and mate next.

D) 26.Bxe4 Rg4+ 27.Kh1 Bf1 and mate soon.

----

23... Bxh2+ looks much better than 23... Bd4.

Feb-23-13  DarthStapler: I got the first two moves
Feb-23-13  nateinstein: <sorokahdeen: I think I must be missing something because the only interesting thing I saw was ...23. Bd4 with several ideas.

24. Bd4 Qg5+ with mate in two.
24. fe4 Be3 #
24. Nf1 Qg5+. 25. Ng3 Be3+

There seem to be a number of idea i wish I had time to stick into a chess engine of some kind before work, but right now, I am working with the assumption that I've missed some simple, garden-variety defense to it all, but in some variations, Bd4 is just devastating.

What's the deal? What's out there?> I thought the same thing at first. However, I think white is OK after 24. Nxe4 dxe4 25. Qc4+ picking up with bishop. Note that 24 dxe4 is the only critical line as the knight on e4 now covers g5.

May-15-16
Premium Chessgames Member
  whiteshark: The last move should indicate mate (#)
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