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Peter Acs vs Ranko Szuhanek
Zalakaros op 18th (1999), rd 9, May-20
Nimzo-Indian Defense: Panov Attack. Main Line (E54)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
May-09-19  BxChess: I went with 24. Rxe6


click for larger view

if 24...fxe6 then 25. Qg6+ Kf8 26. Ne6#

if 24...Kf8 then 25. Qh6+ Kg8 26. Ng5 Bxg5 27. Qxg5+ Kf8 28. Qh6+ Kg8 29. Rg3#

May-09-19  NBZ: I went for 24. Rxe6 Qxc5 25. Rxc5, which is less clean but wins less easily.

I did want to go for mate with 24. Qg8+ Bf8 25. Rxe6+ but wasn't sure what to do about 25. ... Ne7 (as it turns out, 26. Rxe7+ Kxe7 27. Re1+). Still it seems to me Black ought to have tried 25. ... Ne7. There is at least some hope that White goes wrong in his calculations and bails out with 26. Rxb6 Nxg8.

May-09-19
Premium Chessgames Member
  agb2002: White has a knight and two pawns for the bishop pair.

Black threatens Bxg5.

The position of the black king suggests Qg8+ and Rxe6.

In the case of 24.Qg8+ Bf8 25.Rxe6+ Ne7 (25... fxe6 26.Qg6+ Ke7 27.Qxe6#) 26.Qxf8+ (26.Rxb6 Nxg8) 26... Kxf8 27.Rxb6 + - [N+2P].

-----

In the case of 24.Rxe6:

A) 24... fxe6 25.Qg6+ Kf8 26.Nxe6#.

B) 24... Qxb2 25.Qg8#.

C) 24... Qxc5 25.Rxc5 fxe6 26.Qg6+ followed by Rc3 + - [Q+2P vs r+b].

D) 24... Kf8 25.Qh6+ Kg8 (25... Ke8 26.Qh8#) 26.Rxe7 + - [N+2P] (26... Nxe7 27.Qxb6).

-----

I'd probably play 24.Qg8+.

May-09-19  Stale.Mate: If this is a Thursday puzzle, I’m a GM.
May-09-19  Walter Glattke: Possible was , too 24.Rxe6 fxe6 25.Qg8+ Bf8 26.Qg6+ Ke7 27.Qxe6# as in the match 26.-Ke7 27.Qxe6# 24.Rxe6 Kf8 25.Qh6+ Kg8 26.Rxe7 Nxe7 QxQ or 26.g5 wins of course 24.Rxe6 Qxc5 25.Rxc5 fxe6 26.Qg6+ Kd7 27.d5 or 27.Ne4+ white advantage.
May-09-19  stacase: Mostly obvious moves.
May-09-19  Checker2: Well the game was a longer mate than necessary, so my check, check, check, check, check, check, check, mate should be just as valid, even though it in turn is longer than the game's solution: 24.Qg8+ Bf8 25.Rxe6+ fxe6 26.Qxe6+ Be7 (Ne7 hangs queen) 27. Qg8+ Bf8 28. Qg6+ Ke7 29. Re3+ Ne5 30. Rxe5+ Qe6 31. Rxe5# Bring on the checks!
May-09-19  goodevans: Count me in the 24.Rxe6 camp. It's obviously winning.

24.Qg8+ may give a higher silicon evaluation but if black had played <25...Ne7> white's win would have been more complicated.

Give me the simple win any day. Less chance for me to screw it up!

May-09-19  malt: Went with the 24.R:e6 camp.
May-09-19  morfishine: <24.Rxe6> and White wins
May-09-19  schachfuchs: Maybe the mate-in-10 (after 24.Qg8+ Bf8 25.Rxe6) 25...Ne7 26.Rxe7+ Kxe7 27.Re3+ Kd6 28.Qxf7 Qxc5 29.Re6+ Kd5 30.Rh6+ Ke4 31.Rh4+ f4 32.Rxf4+ Kd3 33.Qb3+ Qc3 34.Qxc3+ Ke2 35.Qc2# is Thursday level.
I also wanted to go for the pedestrian 24.Rxe6
(24...Qxc5 25.Rxc5 fxe6 26.Qg6+ Kd7 27.Ne5+ Nxe5 28.Rxe5 Kc7 29.Rxe6 Bd6 [Q+4P vs R+B])
May-09-19  Diana Fernanda: Good morning
May-09-19
Premium Chessgames Member
  thegoodanarchist: Acs of violence and White wins
May-09-19
Premium Chessgames Member
  drollere: i had
24. Qg8+ Bf8
25. Nxe6 fxe6
26. Qxe6+ Be7
27. Rxc6 Qxc6
28. Qxe7#
May-09-19  RandomVisitor: White's win was no acs-cident.
May-09-19  woodpusher24: 25.. Ne7 is no help after 24.Qg8+ and 25. Re6+... cause after 26.Ne5 its curtains for black in two anyway
May-09-19
Premium Chessgames Member
  Breunor: I'm with my colleagues, I went with Rxe6.

According to the computer, black goes bad I originally at move 12 and 13. For 12, h6 is even, but Qa5 scores at .85. Move 13 though could have been Nd5, which causes trade-offs, it scores to .76 but Rd8 scores to 2.5.

May-09-19
Premium Chessgames Member
  Willber G: <woodpusher24: 25.. Ne7 is no help after 24.Qg8+ and 25. Re6+... cause after 26.Ne5 its curtains for black in two anyway>

Doesn't 26...Qxe6 save it for black?

May-09-19  cormier:


click for larger view

Analysis by Houdini 4 d 23 dpa done

1. + / = (0.33): 13...Nxe4 14.Bxe7 Nxe7 15.Bxe4 Bd7 16.Rc5 Qb6 17.Re1 h6 18.Ne5 Bb5 19.a4 Be8 20.Qd2 Rd8 21.Rc4 Bc6 22.Nxc6 Nxc6 23.Bxc6 bxc6 24.Re3 a5 25.Rg3 Kh8 26.Qc3 e5 27.Rd3 e4 28.Re3 f5 29.b3 Rd6 30.Rc5

2. + / = (0.38): 13...Nd5 14.Bxe7 Ncxe7 15.Bb1 Bd7 16.Ne5 Bb5 17.Re1 Rac8 18.Rxc8 Nxc8 19.a3 h6 20.h3 Re8 21.Qc1 f6 22.Ng6 Qb6 23.Qc5 Qc7 24.Qxc7 Nxc7 25.b3 Rd8 26.Nc5 Rxd4 27.Nxb7 Bd3 28.Nc5

May-09-19  cormier:


click for larger view

Analysis by Houdini 4 d 23 dpa done

1. = (0.20): 12...b6 13.a3 Bb7 14.Bb1 Rc8 15.Qd3 g6 16.Rfe1 b5 17.b4 Nb8 18.h3 Nbd7 19.Ba2 Re8 20.Bf4 Nb6 21.Ne5 Bf8 22.Bg5 Bg7 23.Qe3 Qe7 24.f3 Red8 25.Ne4 Bd5 26.Bxd5 Nbxd5

2. = (0.21): 12...h6 13.Bh4 Qb6 14.Na4 Qa7 15.Nc5 Rd8 16.Ne5 a5 17.Nxc6 bxc6 18.Bg3 Nd7 19.Nxd7 Rxd7 20.Qe2 Ba6 21.Bxa6 Qxa6 22.Qe4 Rd5 23.Be5 Qb5 24.Rc2 Bd6 25.Bxd6 Rxd6 26.Re1 Rb8

Nov-04-19
Premium Chessgames Member
  Messiah: 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Bb4 7.Bd3 dxc4 8.Bxc4 O-O 9.O-O a6 10.Bd3 Nc6 11.Bg5 Be7 12.Rc1 Qa5

<After 12...h6 there might be perpetuals, but I vote for the very natural 12...Nd5 with equality. Probably 12...b5 is playable, either. This is a complex and rich position, I encourage you to contemplate on it for a while.>

13.Ne4 Rd8?

<The root of Black's tragedy. 13...Nd5 or the strange 13...Qd8!? were better. V P Moskalenko vs Baburin, 1989 had 13...Nxe4?! (also not terribly bad), but, interestingly, it was technically 12...Nxe4 - do you see why?>

14.a3?

<Missing the golden opportunity. 14.Nxf6+! gxf6 15.Rxc6! bxc6 16.Ne5!! brings the point home. Bxf6 will be good, but not this time. Can you see why? Let's return to this topic one move later.>

14...Bd7?

<This innocent-looking developing move is actually a mistake, reliveving the pressure on the d-file, although temporarily. But this short timeframe is enough for White to start a concrete offensive! 14...Nxe4 15.Bxe7 Nxe7 16.Bxe4 Bd7 17.Bxb7 Rab8 18.Be4 Ba4 was the proper continuation, not enabling White to weaken the king shelter's dark squares. 14...Nd5?! 15.Rxc6! bxc6 16.Ne5! brings pain.>

15.Bxf6

<Finally, Acs finds the correct handling of Black's structural problems. Do you see why 15.Nxf6+ doesn't work this time?>

15...gxf6

<15...Bxf6? 16.Nxf6+ gxf6 17.Rc5 and goodbye.>

16.Nc5

<Probably 16.Rc5! was even better. By sacrificing the exchange White puts serious pressure on the king shelter's dark squares.>

16...Qb6 17.Rc3

<17. Bxh7+? is not good yet, because 17...Kxh7! 18.Ne5 Nxe5 19.dxe5 (19.Qh5+? Kg7 and Black can consolidate) Bxc5 20.Qh5+ Kg7 21.exf6+ Kxf6 22.Rxc5! (this is the only move) Ke7 23.Qh4+ Ke8 24.Qh8+ Ke7 is a perpetual, and White can be happy with the half point.>

17...Rab8?

<The immediate 17...f5 was obligatory, however, 18.Rb3 Qc7 19.Rxb7 Qc8 20.Rxd7 Rxd7 21.Nxd7 Qxd7 22.Bc4 is absolutely good for White. 17.... Bxc5 18.dxc5 Qc7 19.Qa4 Ne5 20.Qf4 Nxf3+ 21.Qxf3 might be an idea, but the king's position is still tragic. Black needs super precise play to have hopes for a draw.>

18.Bxh7+!

<Yes! Opening up the 3rd rank and the d-file, enabling the h pawn to begin its march (although this did not happen in the game), and smashing the king shelter pretty hard.>

18...Kf8

<18...Kxh7?? and 18...Kh8?? both lose to 19. Ne5!, and 18...Kg7? is terrible after the rather obvious 19.Nh4.>

19.Qd2 Ke8

<A sad necessity. Not even 19...Bxc5 helps.>

20.Re1 Bc8

<I tried to find a better move (for example 20...e5 or 20...Rbc8), but nothing helps anymore. White is 99.9% winning.>

21.Qf4

<The excellent 21.b4! shuts down Black's every hopes for a counterplay, and White can choose whatever plan he wants: increasing the pressure in the centre or starting The Great March with the h pawn.>

21...f5

<21...e5 does not help, because 22.Qh6 Rxd4 23.Ne4! pinpoints the horrific situation of the king, standing alone in the centre. The f6 pawn's future is not bright. Tricks like 21...Nxd4 cannot work for the same reason.>

22.Bxf5!

<Technically, a free pawn.>

22...exf5

<22...Bxc5 23.dxc5 Qxb2 (or whatever) 24.Rd3 does not relieve Black: the position is lost, because Qc7 ideas will hurt badly.>

23.Qg5 Be6

<I don't like 23...Qxc5?! at all, but some commenters suggest it, so let's check: it is obvious that Black avoids the immediate collapse with this hideous move, but the position remains terrible and completely unplayable. Just imagine what Black feels over the board in a line like 24.dxc5 Be6 25.Qg8+ Kd7 26.Rd3+ Kc7 27.Qg3+ Kc8 28.Rxd8+ Bxd8 29.h4 - not the comfiest thing I have ever seen.>

24.Qg8+ Bf8 25.Rxe6+! fxe6

<25...Ne7 26.Rxe7+! Kxe7 27.Re3+ Kd6 28.Qxf7 and sooner or later it's curtains.>

26.Qg6+

<Of course, 26...Ke7 27.Qxe6# finishes.>

1-0

Dec-30-19
Premium Chessgames Member
  Messiah: "Acs Of Violence"
Nov-18-20
Premium Chessgames Member
  Messiah: One of the best puns EVER, and not getting picked. Sad!
Nov-19-20  offramp: Perhaps it needs a bump:

<May-09-19 thegoodanarchist: Acs of violence>

Nov-19-20
Premium Chessgames Member
  perfidious: Pity the actual pronunciation is that of the English word 'arch'.
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