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Judit Polgar vs Philippe Kerkhof
SWIFT tournament (1987), Brussels BEL, rd 8
Pirc Defense: Austrian Attack. Dragon Formation (B09)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Dec-11-17  Cheapo by the Dozen: For some reason, I looked at Qxe5+ first. Then I recalled it was Monday and quickly found the correct move. :)
Dec-11-17
Premium Chessgames Member
  agb2002: The material is identical.

Black threatens Bxf5, Rxb3 and Bxh3 if the white queen moves away.

The position of the black king and the defenseless rook suggest 30.Bxe5+:

A) 30... dxe5 31.Qxe5+

A.1) 31... Kf8 32.Qe8+ Kg7 33.Qg8+ Kh6 34.Qf8+ Kg5 35.Qg7#.

A.2) 31... Kh6 32.Qxe3+ Kg7 (32... Qg5 33.Rf6+ Kg7 34.Qxg5+ wins) 33.Qe5+ Kh6 34.Qxb8 + - [R+2P] (34... Bxh3 35.Qf8+ Kg5 36.Qg7#).

B) 30... Kf8 31.Be6+ and mate in two.

C) 30... Kh6 31.Qd3

C.1) 31... dxe5 32.Qxe3+ Kg7 (32... Qg5 33.Rf6+ Kg7 34.Qxg5+ wins) 33.Qxe5+ is similar to A.

C.2) 31... Bxh3 32.Qxe3+ wins.

C.3) 31... Bg5 32.Bxd6 with two extra pawns and the double threat Bf8# and Bxb8.

C.4) 31... Qg5 32.Bxd6 as above.

Dec-11-17
Premium Chessgames Member
  Check It Out: Cheapo, my thinking went just the opposite: I looked at Bxe5 but then remembered itís a Monday so looked at Qxe5.
Dec-11-17
Premium Chessgames Member
  morfishine: <30.Bxe5+> followed by <31.Qxe5+> and Black's position is in ruins

*****

Dec-11-17  diagonalley: i concur with <stacase> and <patzer2>'s observations - which clearly take this puzzle out of monday territory
Dec-11-17  leRevenant: Perhaps scrapes in for easy, but hardly VERY easy.
Dec-11-17  leRevenant: Does this mean Mr Hyde is on duty this week. Oi vey.
Dec-11-17  gofer: Somehow I feel this is rather unusual for a <Monday> POTD!

<30 Bxe5+ Kh6>
<31 Be6 ...>

White has won a pawn and avoided any issues with Bxh3 and as <FSR> says; the attack is <overwhelming>... ...but two moves, neither of which has a single forced reply, leading to a very small material gain, but a very large positional gain.

That's not very <Monday>-like...

Dec-11-17  mel gibson: Nice win.
I saw the first few moves but it's actually mate in 10 as per the computer so there are still many moves to calculate - here:

30. Bxe5+ (30. Bxe5+ (♗b2xe5+
♔g7-h6 ♗f7-e6 ♕h4-e7 g2-g4 ♗e3-g5 h3-h4 d6xe5 h4xg5+ ♕e7xg5 ♕f5-f8+ ♕g5-g7 ♖f1-f6+ ♔h6-g5 ♕f8xg7+ ♔g5-h4 ♕g7xh7+ ♔h4-g3 ♕h7-h2+) +M10/16 61)

Dec-11-17  saturn2: <30. ♗b2xe5+
♔g7-h6 ♗f7-e6 ♕h4-e7>
So far I came. I concluded white is better but was a bit unhappy because there is no immediate win.
Dec-11-17  cocker: Mate in 13 after 30 ... Kh6 - very easy!?
Dec-11-17
Premium Chessgames Member
  malt: 30.B:e5+ Kh6 (30...de5 31.Q:e5+ Kf8
32.Be6+ )
31.Qd3 Qg5 32.B:d6
Dec-11-17  zb2cr: Found it, but the 30. ... Kh6 line is long and complicated--not Monday material.
Dec-11-17  zb2cr: Judit was 11 at the time of this game. I wish I were able to play like this when I was 11!
Dec-11-17  et1: Doable but not very easy at least because of Kh6
Dec-11-17
Premium Chessgames Member
  whiteshark: <30.Bxe5+ dxe5 31.Qxe5+>, and that's it.
Dec-11-17
Premium Chessgames Member
  whiteshark: <What's a Monday puzzle without a queen sac and forced mate?> Still a Monday puzzle!
Dec-11-17
Premium Chessgames Member
  Willber G: I think 30...Kh6 was missed by CG.
Dec-11-17  stacase: <patzer2: <stacase> If 30...Kh6, it's suddenly not such an easy Monday puzzle. ...(mate-in-nine)...>

Thanks for the reply - yeah I got the first move expecting the Kh6 reply and wondering what I would do next. But Black chose to blunder (In my opinion) with 30...dxe5 and it was all over.

Had Black done 30...Kh6 I probably would have gotten my Queen out of hock with 31.Qd3 going after Black's Bishop and merely winning the Pawn captured in move 30

I don't analyse things past a move or two. Nine? Ha ha ha ha!

Dec-11-17
Premium Chessgames Member
  Bubo bubo: What has happened to the Monday puzzle?! Tricky endgames and mate-in-13 seem to have displaced the familiar Q-sac...
Dec-11-17  awfulhangover: Very frustrating! I saw no easy win if 30.-Kh6

Strange that this was Monday.

Dec-11-17
Premium Chessgames Member
  WorstPlayerEver: Tough one.
Dec-11-17  ChessHigherCat: This is only a Monday puzzle if you assume the "lines of least resistance". Just because Kerkhof's name means graveyard in Dutch doesn't mean he's going to opt for the shortest route to the grave.
Dec-11-17  cormier: 1) -0.54 (31 ply) 9...Nd7 10.Bd3 a6 11.Na3 f5 12.c3 Ndf6 13.Ng5 e6 14.Bxe4 Nxe4 15.Nxe4 fxe4 16.Nc4 Ra7 17.Re1 Raf7 18.Be3 Qc7 19.Qd2 Rd8 20.Bf2 exd5 21.Qxd5 Bb7 22.Qe6 d5 23.Ne5 Bxe5 24.Qxe5 Qc6 25.Be3 Re8 26.Qg5 Qb5 27.b3 Qd3 28.Bxc5 Qxc3

6.0 minute analysis by Stockfish 8

Dec-12-17
Premium Chessgames Member
  drollere: 30. .. Kh6, although still dire, implies that 30. .. dxe5 was a blunder. but you had to find 31. Be6. then if 31. Be6 Bxe6 or 31. .. dxe5 it's mate in 4.
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