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Petr Velicka vs Vlastimil Jansa
CZE-ch (1997), Zlin, rd 10
Sicilian Defense: Paulsen Variation (B46)  ·  1-0



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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Nov-10-12  DarthStapler: I at least considered the first move
Nov-10-12  Bengambit: Ok now I see. Black had it coming,after 21.Bxg7 opened the door for Nh5+ plus all of Black's heavy hitters are on a8,d8,c7,e7,and the N on f8?? is no good. Black lost tempo on the a file thinking on the lines of getting more material with a pawn blitz. So White let him have that which I call a "Positional Trap" to make Black forget about his weak side f,g,and h pawns. Sometimes we need to consider and reconsider your position,if time and tempo will let you. I have won games on positional traps by letting them think that material gain is more important than a mating position. Remember,set that trap !!!
Nov-10-12  Abdel Irada: I am going to have to return to this if time allows. I've seen the first move and the probable continuation, but the ensuing play requires more analysis than I have time to complete and document at present.

Very challenging problem. :-)

Nov-10-12  parmetd: Its pretty easy once you realize how weak the enemy king is. The natural move Qc3+ can't be met by the natural Bf6 because of Nh5+ so instead e5 closes the diagonal. So instead of Qc3+ try reversing moves with Nh5 first because the Queen can still come to h6 or f4 with deadly force. Once the plan is in place just calculate and one will realize Nh5 is indeed the correct move order for the plan.
Nov-10-12  Razgriz: It was somehow difficult to get to the very end. I got lost 3 moves in.
Premium Chessgames Member
  perfidious: < Razgriz: ....I got lost 3 moves in.>

That's been known to happen to me-seems to be more and more when I look at positions as I age!

Premium Chessgames Member
  kevin86: The king is chased from his home and family to die alone.
Nov-10-12  Patriot: At first I didn't really see anything here, so initially I was thinking the simple 22.axb3 may be good enough. That was based on my feeling that 22.Nh5+ really doesn't accomplish much. But now I think it's the only try for a win. Also I didn't immediately notice white is down a whole piece! Mediocrity doesn't cut it under those conditions. So 22.Nh5+ appears to be the only move. Also I don't see a "killer move" anywhere that is slower than that.

22.Nh5+ Kg6. Alternatives 22...Kg8 or 22...Kh8 allow the killer move, 23.Qh6.

Here I'm not so sure what the continuation might be. The knight is en prise so candidates include Qe2, Bf3, and g4. I don't see anything that would allow the knight to hang and still win. 23.Qe2 looks very strong, threatening 24.Qg4+ Kh6 25.Qg7+ Kxh5 26.Bf3#. So let's just say 23.Qe2 is the move.

23.Qe2 f5 (seems a reasonable try) 24.exf5+ -- 24...exf5 25.Bxc6 Qxc6 26.Qxe7 looks good for white; 24...Kf7 and perhaps 25.Qg4 which looks very strong; 24...Kxf5 25.Bh3+ Kg6 26.Qg4+ Kh6 27.Qg7+ Kxh5 28.Bg4#; 24...Kh6 25.Qg4 as before.

So 22.Nh5+ is my move.

Nov-10-12  Patriot: Wow! Ok, so 23.Qf4 is the key! I overlooked some things in the 23.Qe2 f5 lines.
Premium Chessgames Member
  chrisowen: To have and to heave it hold in jade memories linger in h5 what a

joke I suppose in gobbling g7 big mack attack king coughing up

bishop ja smoothie petr flowing like water spout incy wincy mistakes

having question of a fashion black bishop to c6 16.rad1 right nip

off the live deed dont let see white knight remaneovre time for e2

us f4 the key I thought thats handy at ajar ditching ma halo bb2 in

g7 computer doesnt see the danger in taking g7 instead ok i

21...Rxa2 enough toe curve the draw a steady barrage queen can still

infiltrate so black has to be on his guard dont take the bishop! 21.Bxg7 Kxg7 he at wave 22.nh5+ in chilly it no retreat no surrender

doubles toot go by kingg6 if thinking g8 or h8 at qh6 ha weigh in

luck aint that a doosie enact in enter i f4 fickle fate cup king ace

suffer in got 23.Qf4 Kxh5 for medical principle h6 only seeks to g5

lengthen in proportions for instance: 23...h6 24.qg4+ bg5 25.hxg5

hxg5 26.f4 nh7 (2.27).

Nov-10-12  Garech: Great puzzle and amazing calculation by Jansa to find this OTB.


Nov-10-12  cyclon: This one seems to be quite difficult. I'd play 22. Nh5+ Kg6 (-Kg8?/-Kh8? 23. Qh6 wins outright for White) 23. Qf4. My argument for this line is something like; 1. 23. -Kxh5 24. Qxf7+ Kh6 (only move; -Kg4 25. Kh2/ -Ng6 25. Qxh7+) 25. g4 and in this position (threat is 26. g5+) if Black wants to cover the pinned Be7 let's say by 26. -Rd7 ( if 26. -Ng6 27. f4 is even better here than 27. g5+ leading to winning final attack for White ) ) , then 27. g5+ Bxg5 28. hxg5+ Kxg5 29. f4+ (the key resource here) and now; 29. -Kh4 30. Qf6+ / 29. -Kg4 30. Bh3+ / 29. -Kh6 30. Qf6 Ng6 31. Kf2 ALL leads to mate.

2. ( 22. Nh5+ Kg6 23. Qf4 ) 23. -f5 ( 23. -f6 24. Qg4+ Kf7 [ -Kh6? 25. Qg7+ Kxh5 26. Bf3X] 24. Qg7+ Ke8 25. Nxf6+ winning the Queen with attack going ) 24. exf5+ exf5 (only move ) 25. Bh3 Qd7 ( 25. -Kxh5 26. Bxf5 mates by 27. g4+ and 28. Qh6 / 25. -Kf7 is a nice try, but after 26. Bxf5 Ke8 [what else? 26. -Kg8 27. Qh6 loses for Black] White has a beautiful 27. Bg6+ MATING Black / 25. -Be4 26. Rxe4 fxe4 27. Qf5+ Kh6 28. Qf7 SHOULD win - threat is 29. Qg7+ Kxh5 30. g4+ Kxh4 31. Qh6X ) 26. Rxe7 Qxe7 27. Bxf5+ Kf7 ( again, 27. -Kxh5 28. g4+ Kxh4 29. Qh6X ) 28. Bxh7+ (I consider this to be the best here because it keeps the Black King in the center) 28. -Ke8 29. Nf6+ Qxf6 ( 29. -Kf7 30. Nd5+ and White gets the Queen under even better circumstances ) 30. Qxf6 (this is the crucial and most interesting position in this puzzle to me) Nxh7 ( 30. -bxa2 31. Bf5 and White IS winning ) 31. Qg6+ ( 31. Qh8+!? Nf8 is interesting ) -Kf8 32. Qxh7 bxa2 ( 32. -Rd7 33. Qg8+ ) 33. Ra1 and White's got winning chances.

Nov-10-12  Patriot: <agb2002> 23...Kh6 is one of those candidates that just doesn't come to mind. I guess the idea is to vacate g6 so ...Ng6 can be played to prevent the Qg7+ line we both noted. But don't feel bad about not seeing that move--it's not obvious at all and is hardly suggested as a candidate while exploring other lines.
Nov-10-12  parmetd: @Garech Jansa didn't find this otb.... Velicka did.
Nov-10-12  Conrad93: I saw it.
Nov-10-12  JohnAnthony: Remarkable bait and switch with W's N, B and Kside pawns. Note how W's Q is actually just playing defense after the initial incursion, love it.
Nov-10-12  avidfan: Here is one ending from the text if Black takes the bishop:

29... Kxh3 30.Qh5+ Kg3 31.Qg5+ Kf3( or Kh3) 32.Rd3#

click for larger view

Nov-10-12  M.Hassan: "Very Difficult"
White to play 22.?
White is a piece down.

I could see the first move. Did not ponder enough for continuation. The following is the help received by Chessmaster:

22.Nf5+ Kg6
23.Qf4 -Never thought of this move
24.Qxf7+ Kh6
25.g4 Ra7
26.g5+ Bxg5
27.hxg5+ Kxg5
28.f4+ Kh6
29.Qf6+ Ng6
30.Rd3 bxa2

Nov-10-12  TheBish: Velicka vs Jansa, 1997

White to play (22.?) "Very Difficult"

Only one first move made any sense to me, as it seemed obvious to me that this was a king hunt.

22. Nh5+ Kg6

Only move to avoid a quick mate; not 22...Kh8 (Kg8) 23. Qh6 Bf6 24. Qxf6 followed by 25. Qg7#.

23. Qf4!

This seems better than 23. Qe2 Kh6 24. Qg4 Ng6, and I don't see a way to make progress. The threat now is 24. Qg4+ Kh6 25. Qg7+! Kxh5 26. Bf3#.


Or 23...f5 24. exf5+ exf5 25. Bxc6 Qxc6 26. Rxe7 and wins.

24. Qxf7+ Kh6

Or 24...Ng6 25. Qxh7+ Kg4 26. Kh2! followed by 27. f3+ and mate; not 24...Kg4 25. Qf3#.

25. g4! followed by 26. g5+ and White has a winning attack.

That's all I have time for, time to check.

Nov-11-12  vinidivici: <Its pretty easy once you realize how weak the enemy king is.> Actually, this puzzle is more difficult that today puzzle. You are right the king is exposed by his position. But the intricate move is to find 23.Qf4 but i believe that even a non Master if think carefully would find that solution.

The hardest part of this puzzle is how to find a way to checkmate the king. Once you failed a move, you would have been played in vain, because so many pieces had been sacrificed.

Nov-11-12  stst: suddenly it's over time, try these lines:
if (A)....Kg8, 23.Qh6 Bf6, 24.QxB and mate next.
if (B)....Kg6, 23.Qf4 KxN, 24.Bf3+ Kg6, 25.h5+ Kg7, 26.h6+ Kg7, 27.Bh5+ KxB, 28.g4+ Kg6, etc.
Nov-11-12  nariga: If black plays 23.Qf4 f5, what can white do next?

24. exf5 exf5
25. g4? Bxg2
26. Rxe6+ Kf7
27. Qxf5+ Kg8 etc.

Nov-11-12  JohnAnthony: <nairgia> 24 Rd5 looks interesting on initial impression (no computer, just a thought)
Nov-12-12  Dr. Funkenstein: Cyclon answered the question JohnAnthony and nariga in his post above. He showed that I and others like the The Bish were wrong to capture the bishop on c6 because black can defend with Ra7 or Rxa2 instead of recapturing on c6.

After 23. Qf4 f5

24. exf5+ exf5 25. Bh3! Qd7 (having to protect the loose e7 bishop) 26. Rxe7! Qxe7 27. Bxf5+ Kf7 28. Bxh7+ Ke8 29. Nf6+ Qxf6 30. Qxf6 and it's still hard with the deep pawn on b3 and black has material for the queen.

Cyclon above explains how to proceed to secure a white advantage from this tricky position.

Excellent puzzle with a huge number of variations.

Nov-14-12  jpolchinski: After <chrisowen>'s(!) +2.27 line I beat Crafty with 27 cxd5 bxa2 28 Nf4+ Kg7 29 g6 Nf6 30 Qg5 Rdc8 31 gxf7+ Qg6+ ke7 32 e5 Bxg7 and now several moves win - exf6+, Qxf6+, exd6+. Just keep pushing those pawns!
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