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Jean-Marc Degraeve vs Ruslan Pogorelov
Paris-ch op (1992), Paris FRA, rd 6
Sicilian Defense: Paulsen. Normal Variation (B45)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Feb-22-05  patzer2: <Marco65:...So what about 57...Kf6 58.Bf2 Qc6?> After 57...Kf6 58.Bf2 Qc6, White wins with either 59. Bg1! or 59. Qa1!:

57...Kf6 58.Bf2 Qc6 59.Bg1! [59.Qa1! g1Q+ 60.Re1+ Ke7 (60...Kf7 61.Rxg1 Rxf2 62.Qa7+ Kf8 63.Qb8+ Ke7 64.Rg7+ Rf7 65.Rxf7+ Kxf7 66.Qc7+ )] 59...Rh1 60.Re1 Qf3+ 61.Kc2 Rxg1 62.Qa1+! is an essential intermezzo (avoiding 62.Rxg1?? Qf2+ Ė+) 62...Ke7 63.Rxg1

Feb-22-05  patzer2: <soberknight> I also like the defensive move 56...Qd4! My look with Fritz 8 indicates it is Black's last chance to equalize:

56...Qd4! forces the reply 57.Qc4! due to the ugly alternatives (57.b7?? Qg4+ 58.Kc1 Qf4+ 59.Kd1 Qf3+ 60.Kc1 Qe3+ 61.Kd1 Qe2+ 62.Kc1 Qc2#) 57...Qe3 58.d4 Qf3+ 59.Kc1 Qf4+ 60.Kd1 (60.Kb1?? Qe4+ 61.Ka1 Qxe1+ 62.Qc1 Qxc1#) 60...Qf3+ 61.Kc1 Qe3+ 62.Kd1 Qf3 forces a draw by threefold repetition.

Feb-22-05  Marco65: <patzer2> I see, thanks
Feb-22-05  soberknight: <patzer2> Thanks for the correction. I was doing the analysis "blindfold", just by looking at the board, late at night, which is hard.
Mar-20-14
Premium Chessgames Member
  SwitchingQuylthulg: <Ezzy: You are all barking up the wrong tree.This game has no interest in the simple combination at the end. It is about the dozen (yes 12)chances black had too win, between moves 41 and 55!! 41..Rc6 game over! 42..Rc6 game over! 44..Rc6 game over! 46..Qxd3+ kaput!! 47..Qxd3+ kaput!! 48..Qxd3+ still kaput!! 49..Qxd3+(please please move me to d3)the queen is actually talking, at this point! 51..Rh2 lets get a coffee.52..Rh2 lets sign the score sheets 54..Qd5+ lets go home and 55..Qd5+ or 55..Qd6 i'm going to hang myself after i have analysed this game. The dirty dozen and Les Miserables come to mind.(the game was played in Paris).>

I strongly suspect it's as simple as the moves 34.Qxd3 Qxd3 being erroneously omitted from the game score.

Dec-30-19  Jamboree: All the previous kibitzing seems to be about a different "problem" position than the one selected for the 2019 problem -- and furthermore, there seems to have been an error in the game score back then which apparently has now been corrected.

Anyway, for the problem in 2019 (white to make his 57th move), the "solution" is 57. Ra5 g2 58. Rxe5+ Kxe5?? 59. Bg3+ picking up the black rook and stopping the black pawn.

However, what happens if black declines the rook, with something like 58. ... Kf4. Then what? Gets kinda complicated -- unless I'm missing an obvious instant win for white.

There may indeed still be a win for white if black declines the rook, but it is far more difficult to work out the details than a "one-star level" Very Easy problem.

Dec-30-19  Walter Glattke: 57.-Rb2 58.Bxg3 Rb6 59.Rxe5+ wins, 57.-Rh1 58.b7 Kf6 59.Rxe5 g2 60.b8Q g1Q 61.Qd6 Qg4+ 62.Re2 white advantage
Dec-30-19
Premium Chessgames Member
  al wazir: I think this is far from easy.

Consider this line: 57...Rh1 58. b7 g2 59. b8=Q Rxe1+ 60. Kxe1 g1=Q+ 61. Kd2 Qf2+ 62. Kd1 Qf1+ 63. Kc2 Qe2+.

Now white has four moves. After either 64. Kc1 or 64. Kc3, 64...Qe1+ wins the ♖. After either 64. Kb1 or 64. Kb3, black plays 64...Qxd3+.

White is up an exchange, so it's probably a win -- in another 30 moves or so.

Dec-30-19  mel gibson: That is not easy.
Stockfish 10 agrees only with the first move:

57. Ra5

(57.
Ra5 (♖a4-a5 ♖h2-b2 ♗e1xg3 ♖b2xb6 ♗g3xe5 ♔f5-g6 ♔d1-e2 ♖b6-b7 ♗e5-d4 ♖b7-h7 ♖a5-a7 ♖h7-h5 ♖a7-g7+ ♔g6-h6 ♖g7-e7 ♖h5-h2+ ♔e2-e3 ♖h2-h3+ ♔e3-e4 ♖h3-h4+ ♔e4-e5 ♖h4-h3 ♖e7xe6+ ♔h6-g5 ♔e5-e4 ♖h3-h4+ ♔e4-e3 ♖h4-h3+ ♔e3-e2 ♔g5-g4 ♖e6-f6 ♖h3-h1 ♗d4-e5 ♖h1-b1 ♔e2-e3 ♖b1-e1+ ♔e3-d4 ♖e1-c1 ♖f6-f8 ♖c1-e1 ♔d4-d5 ♖e1-b1 ♔d5-c5 ♖b1-b7 d3-d4 ♖b7-e7 ♔c5-d6 ♖e7-h7 ♔d6-e6 ♖h7-h6+ ♔e6-d5 ♖h6-h3 ♔d5-e4 ♖h3-h5 ♖f8-g8+ ♔g4-h3) +8.40/44 168)

score for White +8.40 depth 44.

Dec-30-19  scormus: not so easy. I think CG got itself into a tangle (again). I think it was intended to be 58. W to move and the "sac" note (57 Rxe5) suggests that someone simply made a typing mistake.

Anyway, I'll take satisfaction from finding 57 Ra5 and realising B didn't put up the best defence ;)

Dec-30-19
Premium Chessgames Member
  agb2002: The alignment of the black pieces on the b8-h2 diagonal suggests 57.Ra5, with the threat Rxe5+ and Bxg3:

A) 57... g2 58.Rxe5+

A.1) 58... Kxe5 59.Bg3+ and 60.Bxh2 wins.

A.2) 58... Kf4 59.Bf2

A.2.a) 59... Rh1+ 60.Re1 wins a piece.

A.2.b) 59... Rh8 60.Rxe6 wins decisive material.

A.2.c) 59... Rh6 60.b7 Rh8 61.Rxe6, etc.

A.3) 58... Kf6 59.Bf2 is similar to previous lines.

B) 57... Rh1 58.b7

B.1) 58... g2 59.Rxe5+

B.1.a) 59... Kxe5 60.b8=Q+ and White will win the g-pawn after a few checks.

B.1.b) 59... Kf4 60.b8=Q g1=Q 61.Rxe6+ is winning.

B.1.c) 59... Kf6 60.Re4 is winning.

B.2) 58... Rh8 59.Bxg3 wins decisive material.

C) 57... Rb2 58.Bxg3 wins decisive material.

D) 57... Rh8 58.Bxg3 as above.

Dec-30-19  charlesdecharemboul: Nice!
Dec-30-19
Premium Chessgames Member
  OhioChessFan: Agreed with <aw> that it's not so easy to work out 57...Rh1
Dec-30-19  laskereshevsky: 57.♖a5.... for the average player its an easy move to find, but all the following varations are not so easy... all in all this could be considered a 2 stars level, maybe even 2.5...
Dec-30-19
Premium Chessgames Member
  Richard Taylor: I saw the idea but have to say failed to solve this. Still I saw the basic idea.

Interesting puzzle for an easy one.

Dec-30-19
Premium Chessgames Member
  malt: Have 57.Ra5 Kf6 58.R:e5 g2

(58...Rb2 59.Bb3 R:b6 60.Rb5+ )

59.Bc3
(59.Bf2 K:e5 60.Bg3+ Kd5 61.B:h2 )

59...Ke7 60.Re1

Not a Monday Puzzle.

Dec-30-19  zb2cr: I went with 57. Ra5, but 57. ... Kf6 takes the game into a more complicated direction. 57. ... Rh1 is another defensive try.

Not what we expect from a "very easy" puzzle.

Dec-30-19  TheaN: Apparently when this game was featured in 2005, the <queens were on the board> instead of being traded on move 34, leading to all kinds of crazy blunders and wins all around (some collections also wrongly feature a 56th move with the queen).

Now on the second to last day of 2019, it's still far from Very Easy. The idea of <57.Ra5> is clear, but hell no that it's very easy after 57....g2 58.Rxe5+ Kf6! keeping the rook en prise, threatening g1=Q and if necessary Rh8 or Rb2. Yes, Black does lose the double queen endgame and doesn't have tempi to take the b-pawn, but it isn't as easy as 58....Kxe5? 59.Bg3+ with 60.Bxh2 defending g1.

<CG>, it would be worthwhile to make a separate post on this game that move 34 has been added into the game, therefore all analysis with queens on the board beyond this move serves no purpose (in fact, resetting kibitzing to 2019 may be a good idea).

Dec-30-19
Premium Chessgames Member
  thegoodanarchist: Not very easy, chessgames!

I saw the right idea but rejected it because it is a Monday puzzle, rated very easy.

We was tricked, I says!

Dec-30-19
Premium Chessgames Member
  beatgiant: <al wazir>
57. Ra5 Rh1 58. b7 g2 <59. Rxe5+> winning a piece looks like a quick win for White.
Dec-30-19  Patriot: <TheaN> <Now on the second to last day of 2019, it's still far from Very Easy. The idea of <57.Ra5> is clear, but hell no that it's very easy after 57....g2 58.Rxe5+ Kf6! keeping the rook en prise, threatening g1=Q and if necessary Rh8 or Rb2. Yes, Black does lose the double queen endgame and doesn't have tempi to take the b-pawn, but it isn't as easy as 58....Kxe5? 59.Bg3+ with 60.Bxh2 defending g1.>

With the potential of dual promotion, you're right! There is a little more to this. In the short time I looked at this, I didn't consider <57...g2 58.Rxe5+ Kf6>. After reading your line, <59.Bf2 Rh1+ 60.Re1> came to mind since <60...Rxe1+ 61.Kxe1> is an easily won endgame. That's definitely more than Monday material.

<<beatgiant>: <al wazir> 57. Ra5 Rh1 58. b7 g2 <59. Rxe5+> winning a piece looks like a quick win for White> That's even more complex! <59...Kxe5 60.b8=Q+> and white will pick up g2. However <59...Kf6 60.b8=Q g1=Q> is interesting but white has nothing to lose there while black does!>

Dec-30-19
Premium Chessgames Member
  al wazir: <beatgiant: 57. Ra5 Rh1 58. b7 g2 <59. Rxe5+> winning a piece looks like a quick win for White.> Good find.

I agree with all but the "quick." White is a piece up, but after 59. Rxe5+ Kf6 60. b8=Q g1=Q 61. Qd6 Qg4+ 62. Kd2 Rh2+ 63. Kc3, it's a slog.

Dec-30-19  ndg2: Wait..this is "very easy"? Looks more like a Wednesday puzzle
Dec-30-19
Premium Chessgames Member
  Jimfromprovidence: As an alternative, try the puzzle position with black to move.


click for larger view

Black to play and win?

Dec-30-19
Premium Chessgames Member
  Breunor: I was upset I missed another Monday puzzle. Glad to see people agreeing it isnít so easy. Starting with move 58 is probably easy.
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