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Loek van Wely vs Peter Acs
"The Acs Falls" (game of the day Jul-12-2016)
Essent Crown (2002), Hoogeveen NED, rd 6, Oct-19
Nimzo-Indian Defense: Normal Variation. Bishop Attack Classical Defense (E48)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Given 5 times; par: 16 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 5 OF 5 ·  Later Kibitzing>
Apr-22-12
Premium Chessgames Member
  Jimfromprovidence: < al wazir> <Abdel Irada> Wow! I did not see that after 16...Bxe6+ white also has another saving move after 17 Kg1 Qh2+ 18 Kf1 Bg3, with 19 Bxh7+. (I thought only 19 Qd2 was good)


click for larger view

White gives up a piece to create a path to d3 for his king. (seeing 19...Kxh7 20 Ke2 Qxf2+ 21 Kd3). Very instructive.


click for larger view

Apr-22-12  BOSTER: It seems to me that white violated all chess rules for "normal" development to create such strange picture like <POTD>.

It is clear that black should move bishop h3-discovered check, but the question is :where to move?

To see ahead that queen on d1 and bishop on d3 create the epaulettes on the king' shoulders when white king has to move to f2 it is not easy.

And this is the key for today puzzle.
Move 16...Bf5+ is spectacular!

For me this is a real nice <Puzzle> during many weeks.

My guess, that saying <CG Puzzles> level is now low encourages <CG> stuff to prove <don't be smarter than me>.

Apr-22-12  BadKnight: i have never tried a sunday before, because usually its much above my level. today i will give it a shot and try to work out few lines.

position is very complicated, usual for a sunday.
black is temporary two pieces down, but has a strong attack, and black has the move. if black tries to play quiet, then he can play 16...Bxe6+ 17.Kg1/g2 Bxd5 gaining back material equality. but i dont think this will be the puzzle line. there are many other interesting tries.

16...Bg4+ 17.Kg1 Qh2+ 18.Kf1 Qh3+ and now
a) 19. Kg1 forces 19...Bh2+ 20.Kh1 Bg3+ 21.Kg1 Qh2+ 22.Kf1 Qf2#

so,
b) 19. Ke2 has to be more challenging. and now, 19...Bxf3+ 20.Kd2 and i believe we reach a very interesting material imbalanced position with 20.Bxd1 R/Kxd1 21.fxe6 where black has queen for two minor pieces.

all of these look quite forcing, but its sunday so i must have missed something. time to check!

Apr-22-12  BadKnight: okay i missed it completely. i going to check with an engine if 16...Bg4 is any good.
Apr-22-12
Premium Chessgames Member
  marcwordsmith: <BadKnight> I came up with the same "solution" you did though I did see that in the second continuation Black would have a queen for a rook and a minor piece, not a queen for two minors. Anyway, what does your engine say about the Bg4 line? Does Black have an advantage at least? (I hate it that I missed the mate!!)
Apr-22-12  DrChopper: This game remind me a nice game from Charousek:

D Hermann vs Charousek, 1896

Apr-22-12  EXIDE: I went for 16 ...Bg4+. I can win the white Queen for my bishop by following with 17..Bh2+; 18..Qh3+ and 19...Bxf3+ ;however, white has enough pieces to compensate and probably wins the game.
Apr-22-12  BadKnight: <marcwordsmith> white has the intermizzo 21.Nef4, rescuing the knight en prise and gaining time on the black queen on h3 followed by 21.K/Rxd1, and white has 3 pieces for the black queen, and the game is roughly equal according to houdini. pretty simple tactic i must say. black had all moves super forcing except 20th in line b 20...Bxd1(not a check), so i should have spotted it. it was not difficult, but it was quite far down the line, so i was afraid i must have missed something simple earlier so probably had not paid enough attention on the position after black's 20th move.
Apr-22-12
Premium Chessgames Member
  WinKing: Well it looks like black has three active pieces & a pawn capture with which to work with to try & make something happen. Some possibilities:

16...fxe6 17.Nf4 Nc6 18.Ng2 <(not 18.Nxh3 Qxh3+ 19.Kg1 Bh2+ 20.Kh1 Bg3+ 21.Kg1 Qh2+ 22.Kf1 Qxf2#)> 18...Qg5 19.Bf1 <(seems to hold for white)>

16...Qxf2 17.Nef4 c6 18.e4 cxd4 19.e5 <(& I don't see anything for black)>

16...Bf5+ 17.Kg1 Qh2+ 18.Kf1 Bh3+ 19.Ke2 <(& white escapes)>

16...Bxe6+ 17.Kg1 Qh2+ <(17...Bh2+ 18.Kf1 Bxd5 19.e4 )> 18.Kf1 Bh3+ 19.Ke2 <(& white escapes)>

16...Bg4+ 17.Kg1 Qh2+ 18.Kf1 Qh3+ 19.Ke2 <(if 19.Kg1 Bh2+ 20.Kh1 Bg3+ 21.Kg1 Qh2+ 22.Kf1 Qxf2#)> Bxf3+ 20.Kd2 Bxd1 21.Nef4 Qf3 22.Rxd1 Qxf2+ ∞ <(with a complicated game)>


click for larger view

If there is something better than the above then I didn't see it. Let's look.

Apr-22-12
Premium Chessgames Member
  WinKing: 18...Bg3! - very nice. Went right over my head. I did look at 16...Bf5+ but just totally missed this follow up. Kudos to Acs for seeing this fine move OTB.
Apr-22-12  SuperPatzer77: Hey, <LoveThatJoker>! How've you been doing, <LTJ>?

<LoveThatJoker: Cool! A Peter Acs puzzle!

<16...♗f5+!>>

I strongly agree with your commentary - 16...♗f5+!!

Your excellent analysis is that 17. ♔g2 (instead of 17. ♔g1) ♕h3+!, 18. ♔g1 ♗h2+, 19. ♔h1 ♗g3+ forcing mate in two moves.

My analysis is 17. ♔g2 ♕h2+ transposing to 18. ♔f1 ♗g3!!.

Well, I think yours is much better than mine. LOL. Well done, LTJ.

By the way, I'm a Batman fan - (Batman's evil nemesis - Joker) LOL LOL.

SuperPatzer77

Apr-22-12  M.Hassan: "Insane" Black to play 16...?
Black is a Night+Rook down

16............Bf5+
<I was initially moving the Bishop to f4 that would not solve the puzzle. In f5, it blocks line of action of White's LSB and Black King can not be checked>

17.Kg1 Qh2+
18.Kf1 Bg3
<19.fxg3 Bh3#>
19.Ke2 Qxf2#
This must be it

Apr-22-12  VincentL: "Insane".

It is late in the day and in 15 minutes the Monday puzzle will be up.

Amazingly I think this puzzle may start 16....fxe6, so that only one knight can come to the defence. The idea is then Bf1+ followed by Qh3 and mate on g2. The one knight can come to f2, but will be captured by the black bishop.

If Rf1, then Bf5+ wins.

Letīs see what happened before the puzzle comes down.

Apr-23-12  LoveThatJoker: <SuperPatzer77> I just got your note, man! Thanks for the kind shout out.

You are most certainly correct in saying that after 16...Bf5+! 17. Kg2 Qh2+ 18. Kf1 Bg3!! transposes into the main continuation.

Absolutely well done!

LTJ

PS. Batman is my favourite superhero as well - despite the fact that he is Joker's nemesis and vice-versa! :D

Apr-23-12  Helios727: What happens after 19. fxg3 ?
Apr-23-12  SuperPatzer77: <Helios727: What happens after 19. fxg3 ?> See diagram 1 below:


click for larger view

<Helios727> 19. fxg3 allows the space clearance for the Black Queen to take control of the second rank - See diagram 2 below:


click for larger view

Then what happens after 19. fxg3 is 19...♗h3 mate!

You got it, <Helios727>?

SuperPatzer77

Apr-24-12  Helios727: Got it.
Jul-12-16  Moszkowski012273: 16...Bf5+ (preventing the saving Bxh7+ for white) is AWESOME!
Jul-12-16
Premium Chessgames Member
  piltdown man: Did anyone acs him how he felt about winning this game?
Jul-12-16
Premium Chessgames Member
  perfidious: Maybe Helga Ursula Axt him.
Jul-12-16  The Kings Domain: Clever attacking game by Acs, reminiscent of the great aggressive games from the Victorian era that made Morphy and Anderssen great. Boy, van Wely looked like an amateur here.
Jul-12-16
Premium Chessgames Member
  kevin86: Black was all over white like white is all over rice...too bad Rice made nine catches...lol
Jul-12-16
Premium Chessgames Member
  thegoodanarchist: Acs did not fall, Acs prevailed.
Jul-12-16
Premium Chessgames Member
  thegoodanarchist: The annotation for the last move is <!!> but I would only give it <!> since I saw the point immediately.

Any move that I can comprehend immediately doesn't deserve a <!!>

May-17-20
Premium Chessgames Member
  plang: Played in the last round of a 4 player double round robin; Acs only needed a draw to clinch outright first while a win by Van Wely would have put all 4 players at 50%). White spent 20 minutes on 9 a3?! but it is an odd move here; 9 f3 or 9 Bd2 seem more logical. 10 h3? underestimated Black's attack; better is 10 Nf4 as he can respond to 10..g5?! with 11 Nfxd5!..Bxh2+ 12 Kh1..Qd6 13 Be2!..Bg1 14 Nf6+..Qxf6 15 Kxg1. 14 Nf4? lost quickly; 14 Kg1 was necessary when Black could have taken the draw with 14..Qg4+ (clinching first) or continued to play for the attack. One winning variation after 14 Kg1..Bxh3 would have been 15 f4..Bg4 16 Qa4..Re6! 17 Ng3..Rh6 18 Qe8+..Bf8 19 Nxd5 (19 Be4..dxe 20 Qxe4 gives back the material but Black still has a powerful attack) 19..Nc6! (19..Bf3 20 Ne7+! forces the exchange of queens) 20 Qe4 (20 Qxa8..Bf3) 20..Qh2+ 21 Kf1..Re8! and White must give up his queen. Another possibility after 14 Kg1..Bxh3 pointed out by Nunn was 15 e4..Bh2+ 16 Kxh2..Bg4+ 17 Kg1..Bxf3 18 Ng3..Bxd1 19 Rxd1..dxe 20 Ncxe4..Nc6 when Black is better but White has defensive chances.

Voted the 4th best game in Informant 86.

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