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Gernot Gauglitz vs Csaba Horvath
Barcza Memorial (1987), Debrecen HUN, rd 9, Jun-??
Slav Defense: Two Knights Attack (D15)  ·  0-1



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Given 6 times; par: 68 [what's this?]

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sac: 32...Rxb2 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Dec-18-11  Jim Bartle: After 48. Rb3 black would just take the white queen for nothing.
Dec-18-11  Bangalorechesslover: @ Jim Bartle: Thanks. Had not seen that little detail...
Dec-18-11  KingV93: Wow. 'Insane' is about right.
Dec-18-11  master of defence: <Bangalorechesslover> And also, if 48. Qe3 Qf5+ 49. Kh4 Qg4#, or 48. Qd7 Qxa3+ 49. Kh4 Qg3#, or your 48. Rb3 loses for 48...fxe6
Dec-18-11  fortheloveofchess: 43 e5!. Not a sunday puzzle. Because 43.Qc2+ Kg3 44.Rg1?? Qxg1 shows that the white queen on that diagonal is the only problem with this line. And the pawn push to e5 is the simplest and the most natural way to get the queen to move.
Dec-18-11  lost in space: <<Phony Benoni:> 43...e5 never entered my head. I couldn't figure out which rook sac was correct. 47...Qxc5 is quietly magical.>

yups, same with me.

Dec-18-11  Marmot PFL: I missed 43...e5!, still waking up, but the idea of stopping Qh8+ and allowing Rg1+ is pretty simple. Saw both of those pieces and probably would have put them together with another cup of coffee.
Dec-18-11  sethoflagos: White is threatening the semi-forced 44.Qh8+ (not 44.Rxh7?? Qc2+ 45.Qd2 Qxd2+ 46.Kg3 Qg2+ 47.Kh4 Rh1+ 48.Rh3 Rxh3#) 44...Ke7 45.Rxa7+ Rb7 46.Rxb7 Bxb7 47.Qf6+ Qxf6 48.gxf6+ Kxf6 49.Rxh7 leaving

click for larger view

from which black will struggle to hold on for a draw.

An immediate 43...Qc2+ 44.Kg3 Rb3+ 45.Rxb3 Qxb3+ 46.Kh4 Qf3 leads only to perpetual checks by either party as they squabble over f4.

So can white both block off the danger diagonal and gain control of the key square f4?

43...e5!? is the only obvious candidate, but does this waste the bishop? 44.Qxd5? Qxf4+ 45.Kg2?? (45... Qxh3+) 45...Rb2+ 46.Qd2 Rxd2+ 47.Kg1 Qxh2+ 48.Kf1 Rd1# suggests that it doesn't.

44.Qd2 exf4 45.Rg2 f3 46.Rg3 Rh1 looks to pick up at least a rook (eg 47.Raxf3 Rh2+ 48.Kg1 Qxf3 49.Rxf3 [49.Qxh2 Qd1+ 50.Kf2 Qd2+ 51.Kf1 51.♔g1?? ♕e1# 51...Qxh2] 49...Rxd2

44.Qxe5 allows 44...Qc2+ 45.Qe2 Qc1 winning at least a rook or...

Well, 45.Kg3 turns out to be a bit of a wrinkle as both bishop and queen are en prise and it looks like the devil's own job to untangle them.

45...Rg1+ 46.Kh3 Be6+ seems to do part of the task, but now 47.Qxe6 leaves:

click for larger view

and black has to find a move that:

a) saves the queen
b) threatens to regain the lost piece
c) prevents the white queen escaping with tempo via Bd6+ or Bc8+

...a tall order and that's just to stay more or less level!

47...Qxc5 not only saves black's skin,
but it comes with a winning dividend. White cannot now withdraw his queen to safety because of e.g. 48.Qe2?? Qxa3+ 49.Qe3 Qxe3+ 50.Kh4 Qg3#

Premium Chessgames Member
  whiteshark: That was simply incredible!
Dec-18-11  BOSTER: "When picking candidates, start with checks, captures,and threat <for both sides>."

Because of the white's threat Qh8+ Ke7 Rxa7# black has to decide what to do : attack or defend. But who likes to defend the position?

So,let's try to attack.
If you mentally (or by moing the pieces) play 43...Qc2+ you can see that white has to play Kg3,and now it would be nice to play Rg1+,but white queen can take it.

This is how you can find the move 43...e5 with idea to deflect white queen from "g1" square and from check Qh8+. Now if 44.Qxd5 Qxf4+ 45.Kg2 Rb2 or 45.Ke2 Qxh2 and black win. if 44.Qe3 Rb2+ 45.Kg3 exf4 46.Qxf4 Qxf4+ and black win. If 44.Qxe5 Qc2+ 45.Kg3 Rg1 46.Kh3 and black should win.

Premium Chessgames Member
  chrisowen: Youve got too keeps faith should be a draw but wait both are frees mean deflect pe5 in f4 cold realisation bishop is baboon.

Rich picking engine, tis rights rack you jovial black now qc2 kg3 rg1 kh3 be6 is true deliver f5 mail in post 0-1 a get some paback vilificate qxc5 looks like long shot it he rook drop whinge GG man im westen yet Horvath quip have china spare: ebullience.

Us enseding slav mouse sames I missed in fits chin c5!

Dec-18-11  sevenseaman: <BOSTER> Very nice, clear thinking! Your line <43...e5 with idea to deflect white queen from "g1" square and from check Qh8+> states Black's apprehensions very precisely and succinctly.

Qh8+ is a bugbear, Q covering g1 is a hurdle; e5 is the panacea, the key before uncorking an attacking plan.

<sethoflagos> has used a similar logic, and has expressed these elements of today's puzzle very lucidly.

Premium Chessgames Member
  Penguincw: Black finds a way to win the game.
Premium Chessgames Member
  agb2002: Black has a bishop and two pawns for a rook.

White threatens 44.Qh8+ Ke7 45.Rxa7+ Bb7 46.Qf6+ Qxf6 47.gxf6+ Kxf6 48.Rxh7 with the better endgame (trying 49.c6 Bxc6 50.Ra(h)xf7#).

The first move that comes to mind is 43... Qc2+ 44.Kg3 (44.Ke3 Re1+ 45.Re2 Q(R)xe2#) 44... Rb3+ 45.Rxb3 Qxb3+ 46.Kh4 and Black's attack seems to vanish.

The white queen controls key squares like f4 and g1. This suggests 43... e5:

A) 44.Qxd5 Qxf4+

A.1) 45.Ke2 Qxh2+ 46.Ke3 (46.Kf3 Qh1+; 46.Kd3 Rd1+) 46... Re1+ wins the queen in two moves.

A.2) 45.Qf3 Qxh2+ 46.Ke3 (46.Qg2 Rb2+) 46... Re1+ 47.Kd3 e4+ wins.

A.3) 45.Rf3 Qxh2+ 46.Ke3 Re1+ 47.Kd3 Rd1+, etc.

B) 44.Qxe5 Qc2+

B.1) 45.Qe2 Qxe2+ 46.Kxe2 Rb2+ 47.Ke3 Rxh2 48.Rxa7 Rc2 and Black should win the endgame [B].

B.2) 45.Ke3 Re1+ 46.Kd4 Qc4#.

B.3) 45.Kg3 Rg1+ 46.Kh3 Be6+ wins.

C) 44.Qe3 Rb2+ 45.Kg3 (45.Kg1 Qb1+) 45... exf4+ 46.Qxf4 Qxf4+ 47.Kxf4 Rxh2 48.Rxa7 Rc2 like B.1.

D) 44.Qd3 Qxf4+ 45.Ke2 Qxh2+ 46.Ke3 Qf4+ 47.Ke2 Bc4 - +.

E) 44.Qc3 Qxf4+ is similar to D.

F) 44.Qd2 exf4

F.1) 45.Rd3 Qxg5 46.Rxd5 Qg3+ 47.Ke2 Qxh2+ 48.Kd3 (48.Kf3 Rb3+ 49.Ke4 (49.Rd3 Qxd2) 49... Re3+) 48... Qxd2+ with a won endgame.

F.2) 45.Rxa7 Qxg5 looks also winning.

Premium Chessgames Member
  numbersguy70: 29...c5 was awful. Lets white off the hook until 37.Rh2 loses.
Premium Chessgames Member
  agb2002: I forgot that the black queen was attacked after 45.Kg3 in my line B.3 and didn't look beyond 46... Be6+ 47.Qxe6.
Dec-18-11  BOSTER: <sevenseaman> . Thanks for reading our comments.
Dec-18-11  TheBish: G Gauglitz vs C Horvath, 1987

Black to play (43...?) "Insane"

White is threatening 44. Qh8+ Ke7 45. Rxa7+, so Black needs a move that prevents this. Also, White's queen guards against both ...Qxf4+ and ...Rb2+, so a move that attacks the queen would be ideal.

43...e5! 44. Qd2 Or:

A) 44. Qxd5 Qxf4+ 45. Rf3 (45. Kg2 Rb2+) Qxh2+ 46. Ke3 Re1+ 47. Kd3 Rd1+ wins the queen.

B) 44. Qxe5 Qc2+ 45. Kg3 Rg1+ 46. Kh3 Be6+ 47. Qxe6 (forced) Qxc5! and now White's queen can't control f5 (preventing ...Qf5+) and guard the loose rook on a3 simultaneously, meaning White must give up the queen or be mated.

44...exf4 45. Qc3 Kg8! and White has no good answer to the threats to his king, e.g. 46. Rxa7 Qxg5 (threatening ...Qg1+) or 46. Qd3 Rb2+ 47. Kg1 Qg4+ 48. Kf1 Rxh2.

Premium Chessgames Member
  Phony Benoni: <PeterB> After 43...Qc2+ 44.Kg3:

click for larger view

White's queen covers 44...Rg1+.

Dec-18-11  stst: see some adv. of 43....e5:
give 2 variations before bed:
(A)44.QxB QxP+, 45.Kg2 Rb2+, 46.Kh3 Rxh2#
(B)44.Qe3 Qc2+, 45.Qe2 Qxc5+, 46.Kg3 Qxa3 with material gain. surely there're more lines...
Dec-18-11  mmousez: Wow, I have no idea what was going on at move 43...! :(
Dec-19-11  FlashinthePan: 47...Qxc5 is the kind of move why chess is beautiful. Not only seing it was far from easy after 43.Ra3, but it's miraculous in itself that such a move can exist, ie, solve all Black's problems at once by attacking White's Ra3, creating a mate threat in 2, preventing the white queen from giving chess on c8 and protecting Black's pawn a7, thereby leaving White with no counterplay at all. It looks like from a study.
Dec-19-11  CHESSTTCAMPS: Black has 2 pawns for the exchange and developing threats against the white king on the vulnerable 2nd and 1st ranks. The immediate 43... Qc2+ 44.Kg3 runs dry for black (with 44... Rg1+ not possible) after 44... Rb3+ 45.Rxb3 Qxb3+ 46.Kf2 (Kh4 looks playable too) Qf3+ 47.Ke1. Black's attack looks much stronger if the WQ can be diverted from controlling g1. This suggests

43...e5!! preventing 44.Qh8+ and offering a pawn or a piece. Both are poisoned:

A) 44.Qxd5 Qxf4+ 45.Ke2 Qxa2+ 46.Ke3 (Kf3 Qh1+ wins queen) Re1+ 47.Kd3 (Kf3 Qh1+) Rd1+ wins.

A.1) 45.Rf3 Qxh2+ 46.Ke3 Re1+ 47.Kd3 Rd1+ wins.

A.2) 46.Qf3 Qxh2+ 47.Ke3 (Qg2 Rb2+) Re1+ 48.Kd3 e4+ wins.

A.3) 46.Kg2 Rb2+ 47.Kg1 (Kh3 Rxh2#) Qxh2+ 48.Kf1 Qf2#

B) 44.Qxe5 Qc2+ 45.Kg3 (Ke3 Re1+ 46.Kd4 Qc4#) Rg1+ 46.Kh3 Be6+!!

There is no time for 46... Rh1(??) 47.Qh8+ Ke7 48.Rxa7+, forcing mate. At first, I thought this move was unsound, so I investigated 46... Bg2+ first, whch runs dry.

47.Qxe6 Qxc5!!

Now the double threat of Qxa3+ and fxe6 leaves white without a good answer. 48.Qc8+ is also prevented.

48.Qa6/QQe3 Qf5+ 49.Kh4 Qg4#

C) 44.Qd2 needs to be considered, but I need to move on.

I think this is it - time for review....

Dec-19-11  CHESSTTCAMPS: Nailed it!
Dec-19-11  njchess: Despite the nuances of the position, I didn't think that this was all that difficult a puzzle. If you spent time analyzing the material, then it is an interesting position. White has a rook and a passed pawn for a bishop and two pawns. However, the salient point is that Black's pieces are well organized, whereas White's are not. Moreover, White's king is horribly exposed.

Initially, I thought that 43. ... Qc2+ was the best move. However, I immediately realized after 44. Kg3 ▢, Black could not play 44. ... Rg1 without White's reply of 45. Qxg1. That left pawn moves, all other moves were worthless. Which is the main reason why this was not that difficult a puzzle.

The only pawn move that made any sense was 43. ... e5. That left White with really only two replies: Qd2 or Qxe5. (44. Qxd5 is losing to 44. ... Qxf4+ 45. Rf3 Qxh2+ 46. Ke3 Re1+ 47. Kd3 Rd1+ and White resigns.) The immediate problem with Qd2 is that it allows Black to play exf4. With a Black pawn on f4 and the Black bishop on d5, Black now controls the three squares directly in front of White's king, cutting off any escape route. With White's king cutoff from g3, the rook oh h2 is vulnerable, so his queen must stay on the a1-h8 diagonal to prevent Black playing Rb2+.

That left Qxe5. All of a sudden Qc2+ made sense because the followup of Rg1 worked since White's queen is now on e5. So, 44. ... Qc2+ 45. Kg3 ▢ Rg1+ 46. Kh3 ▢ Be6+ Δ Qxh2++ 47. Qxe6 ▢. That left Black with only one move: Qxc5 and it's a killer.

All in all, an essentially forced sequence. Not that difficult if you focused on the fact that White's only active piece was his queen.

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