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Sergei Tiviakov vs Valentin Arbakov
GMA Grand Prix qualifier (1989), Belgorod, Apr-??
Sicilian Defense: Richter-Rauzer. Neo-Modern Variation (B67)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Jun-06-07  JanTimman: The ending is very simple
64.a3! - Qxb3
65.Qc5+ - Ke8?
66.Qe7#
or 64.a3! - Qxb3
65.Qc5+ - Kg8
66.Qg5+ - Kf8
67.Qg7+ - Ke8
68.Qh8#
or 64.a3! - Qxb3
65.Qc5+ - Kg8
66.Qg5+ - Kh7
67.Qg7#
or 64.a3! - Qg4(Qxa3,Qd2)
65.Qb8#
Jun-06-07  logo: Thing is: in a real game you never find this kind of move; here at chessgames you find it at 5 seconds.
Jun-06-07  eblunt: The way I looked at it was that black only has checks on e4 and c3 he can give. Thus, any move from white has to maintain cover on those 2 squares, (+ keep protecting a4/c4 with the b pawn). This reduces it down to not moving the queen at at all, or Qe3, so pretty quickly Qe3 and a3 stand out as the only possible moves
Jun-06-07  uuft: Well, I'll be damned. Funny, but not ha-ha after almost 20 minutes. Still: very instructive week so far. June must be a toughy.
Jun-06-07  MostlyAverageJoe: <Fezzik: 69.Qd7+! is much simpler, as it leads to an immediately winning pawn ending.>

Just to clarify, the line up to your proposed move is:

64. Qe3 Qg4 65. Qe7+ Kg8 66. Qe8+ Kh7 67. Qxf7+ Kh8 68. Qe8+ Kh7

and after your proposed move, both pawns promote:

69. Qd7+ Qxd7+ 70. Kxd7 h3 71. f7 h2 72. f8=Q h1=Q

resulting in this position (white to move):


click for larger view

which indeed is winnable, but is it really that easy? The simplest continuation is 73. Qf5+ Kg8 74. Qxa5 which is a tablebase win for the white in 51 moves.

MAJ, this time really over and out.

Jun-06-07
Premium Chessgames Member
  Beancounter: Is it my imagination or are tuesdays harder than wednesdays these days? Yesterday I fell for the Rb1 trap, but this one seemed to be obvious.
Jun-06-07  eblunt: <Dr. J: Oops! I meant 64 Qd5> 64.... Qc3+ and white loses the f pawn straightaway.
Jun-06-07  Lifelong Patzer: Very instructive! Also something I might miss on move 64, in time trouble, etc. It would be nice to have more endgame puzzles.
Jun-06-07  cominatcha: I think black missed a win with 27...Bc1 . Any reactions?
Jun-06-07  TopaLove: I found it and I would find it in a game. Well, I am high rated.
Jun-06-07
Premium Chessgames Member
  YouRang: I found the winning move pretty quickly (and actually spent more time checking the follow-up). I saw two wonderful threats:

1. Qb8# (except that the black Q is guarding b8)

2. Qe7+ (except that the black Q is guarding e7), and we mate black in short order as my queen goes from e7+ to e8+ to f7+ to g7#.

Obviously, the black queen is holding black's position together -- and it is overworked! Naturally, the thing to do is bother that queen, and what else for that but 64. a3!

Clearly black must maintain guard of b8, so I expect black to play 64...Qxb3.

Here's where I had to do a double-take. My 2nd threat above (Qe7+) doesn't work anymore since the queen guards f7! But it didn't take long to find the winning maneuver: Push the king to the g-file with 65. Qc5+! and bring my queen kingside (66. Qg4+) to either mate with Qg7# or, if the black king gets to e8, a back-rank type mate with Qg7+ & Qg8# (thanks to my king blocking off d7).

Good puzzle.

Jun-06-07  eblunt: <cominatcha: I think black missed a win with 27...Bc1 . Any reactions?>

28 Qxb4+ equalises.

Jun-06-07
Premium Chessgames Member
  YouRang: <cominatcha: I think black missed a win with 27...Bc1 . Any reactions?>

An interesting move, but I'm not sure I see the continuation after 28. Qxb4+.

Jun-06-07
Premium Chessgames Member
  kevin86: An amusing final sequence:with powerful queens on the board,it takes a lowly pawn push to hit black like an uppercut to the button. Pure chessboard magic!!

While the pawn makes the decisive move,it takes a little queen finesse-ing to deliver the mate.

Jun-06-07  LIFE Master AJ: Problem of The Day (POTD)
[Wednesday; June 06, 2007.]


click for larger view

White: Kc6, Qe5; pawns - a2, b3, & f6.
Black: Kf8, Qb4; pawns - a5, f7, & h4.

White to move. (64. ???)

A nice problem, Black has no good checks. The idea is to decoy the Black Queen off the protection of the a3-f8 diagonal. (Of course, 64...QxP/a3?; is answered by 65.Qb8 mate.

Jun-06-07
Premium Chessgames Member
  fm avari viraf: My first thought was 64.Qe3 as it threatens mate as well as guarding Black Queen from giving Check but I missed completely 64.a3 which is more logical & tactical. Of course, there are many roads lead to Rome & one is certainly enough to reach.
Jun-06-07  newton296: I like this puzzle, instructive in that it shows how complicated and how easy q + p endgames can be. also, very nice game by white I must say. I thought he was toast but nope, Sac sac sac and he's back in the game.
Jun-06-07  newton296: typical wild sicilian where anything can happen, and in this game it all does!!
Jun-06-07  wals: Winners are grinners and I'm not grinning.
Jun-06-07
Premium Chessgames Member
  YouRang: A slightly harder puzzle would have been to start one move sooner:


click for larger view

That is: 63. ?

Obviously, white is in check and must move his king, and 63. Kc6 is most logical. But the point is that even then, with BLACK to move, white still has a forced mate.

Black's best might be 63...Kg8, and now white wins fastest with 64. Qg5+ Kf8 65. Qg7+ Ke8 66. Qg8+ Qf8 (black's queen can intercede - the point of 63...Kg8).

But white wins by swinging back to the queenside with 67. Qg4!, threatening Qe5+ and leaving black with no good move.

For instance, if 67...Qb4 then 68. Qe4+ Kf8 69. a3! and wins as before.

Or, if 67...Qa3 (to prevent a3), then 68. Qe4+ Kd8 (...Kf8 69. Qb8#) 69. Qc7+ Ke8 70. Qc8#

Jun-06-07  Tactic101: Good puzzle. Black's position is so fragile, that it takes only one hit to break him.
Jun-06-07  Billy Ray Valentine: Am I the only one who gets a headache from these Queen and Pawn endgames?!
Jun-07-07  chessamateur: <Billy Ray Valentine> No trust me, I prefer any other ending. Give me anything but a Q+P ending.
Jun-07-07  Billy Ray Valentine: <chessamateur> Agree! Endgames are my favorite part of the chess game, but Queen and Pawn endings are the only ones that I really don't like...
Jun-08-07  chessamateur: <Billy Ray Valentine> I like endings too. However once I was playing someone blindfold and our game had been going on about an hour or two. We reached a Queen ending and he's up a pawn (a passer) and both kings are out in the opening.

For 30 minutes to an hour I was tortured in making moves (the majority with my king) and making sure each time I did not move my king to a square where he could trade queens and win promote his passer. Let me tell you it was hell.

If you want to know how it ended I lost about 20 or 30 moves later allowing him to trade queens. It's hard enough to play them with sight of the board, let alone with out sight of it!

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