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Benjamin Bok vs Mark Bluvshtein
"Switched-On Bok" (game of the day Feb-06-2018)
Tata Steel Group C (2011), Wijk aan Zee NED, rd 8, Jan-23
Pirc Defense: General (B07)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jul-02-15  davidseven: Why not 31.Bxe6 Rc3, which holds the back rank for black? Black could have played it out further.
Jul-02-15  Tiggler: It's mate in four starting with Bxe6, but only if black takes the bishop on e6. It does not seem that black has any other useful moves, though.
Jul-02-15
Premium Chessgames Member
  agb2002: <thickhead: <agb2002>Even without 3.Bxd8 white wins. 1...Bxh6 2.Bxh6 Rdd8 3.Rf8+ Rxf8 4.Rxf8+ Rxf8 5.g7+ Kh7 6.gxf8=Q Kg6 7.Qg7+ Kh5 8.Qg5#>

Yes, thank you. I noticed that after posting my solution.

Jul-02-15  KingsGambiteer: Will someone please explain to me chrisowen's posts?
Jul-02-15  Tiggler: It turns out that after 31.Bxe6 :


click for larger view

This position is mate in 12 even if black does not recapture on e6.

My engine did not find this out before I did some backward solving to populate the hash. Engine freaks here might find this an interesting test.

Kudos to black though, for allowing the pretty mate to be played out and leaving the messy ones for the engines to find.

Jul-02-15  BOSTER: Because the puzzle is boring I would recommend to study the pos. white to play 22, where most black pieces gathering together, reminding random chess.


click for larger view

What about to put knight, or bishop on h5?

Jul-02-15
Premium Chessgames Member
  scormus: <Once: Easiest one this week>

Oh, why did you have to write that? I was so pleased with getting it right away and now you've spoiled it for me :(

But I agree, it was rather easy. for a moment I thought I'd lost track of the days and it was only Tuesday. From the puzzle position the moves almost play themselves (unless you think about B declining the R.)

Jul-02-15  davidseven: Thank you Tiggler.
Jul-02-15  Tiggler: After 30.Be6,

here is Houdini 1.5a converged solution at d=27, with pv=8:

d = 27/66 time 1:39:14 25,195,860,442nodes

+M9 31. ... Nc6 32.Nd5 Nd4 33.Nf6 Bxh6 34.Nxe8 Nxe6 35.Bxh6 Nf4 36.Bxf4 exf4 37.Rxf4 Rg7 38.Rf8+ Rg8 39.R1f7 Rxf8 40.Rxf8+

+M9 31. ... d5 32.Bxd7 Bxd7 33.Nb5 Nd3 34.cxd3 Be6 35.Nc7 Bxh6 36.Nxe8 Bxg5 37.Rf8+ Bg8 38.R1f7 Be3+ 39.Kg2 dxe4 40.Rh7+

+M9 31. ... b5 32.Bxd7 Bxd7 33.Nxb5 Be6 34.Nc7 Nd3 35.cxd3 Bxh6 36.Nxe8 Bxg5 37.Rf8+ Bg8 38.R1f7 Be3+ 39.Kg2 d5 40.Rh7+

+M10 31. ... Nd3 32.cxd3 Rde7 33.Bf7 Rxf7 34.Rxf7 Be6 35.Nd5 Bxf7 36.Rxf7 Rc8 37.Bf6 Rc1+ 38.Kg2 Rc2+ 39.Kg3 Rg2+ 40.Kxg2 Bxf6 41.Rh7+

+M12 31. ... Rde7 32.Bf7 Rxf7 33.gxf7 Rf8 34.Rh2 Kh7 35.Ng8+ Kg6 36.Bc1 Rxf7 37.Rg2+ Bg4 38.Rxg4+ Kh5 39.Rg5+ Kh4 40.Rxf7 Nxc2 41.Rfxg7 Ne3 42.Bxe3 b5 43.Rh7+

+M12 31. ... Rb7 32.Bf7 Rf8 33.Rh2 Rbxf7 34.gxf7 Kh7 35.Ng8+ Kg6 36.Bc1 Rxf7 37.Rg2+ Bg4 38.Rxg4+ Kh5 39.Rg5+ Kh4 40.Rxf7 Nxc2 41.Rfxg7 Ne3 42.Bxe3 b5 43.Rh7+

+M12 31. ... Rc7 32.Bf7 Rf8 33.Rh2 Rcxf7 34.gxf7 Kh7 35.Ng8+ Kg6 36.Bc1 Rxf7 37.Rg2+ Bg4 38.Rxg4+ Kh5 39.Rg5+ Kh4 40.Rxf7 Nxc2 41.Rfxg7 Ne3 42.Bxe3 b5 43.Rh7+

+M12 31. ... Ra7 32.Bf7 Rf8 33.Rh2 Raxf7 34.gxf7 Kh7 35.Ng8+ Kg6 36.Bc1 Rxf7 37.Rg2+ Bg4 38.Rxg4+ Kh5 39.Rg5+ Kh4 40.Rxf7 Nxc2 41.Rfxg7 Ne3 42.Bxe3 b5 43.Rh7+

Jul-02-15  jith1207: Well, that explains <KingGambiteer>.

Now, don't tell me that you still don't get it!

Jul-02-15  davidseven: Tiggler, have you ever used the Tiger Chess Engine?
Jul-02-15  Tiggler: <davidseven: Tiggler, have you ever used the Tiger Chess Engine?>

Nope. I just use free version of Houdini.

Feb-06-18
Premium Chessgames Member
  Phony Benoni: We need to find a game where Bok has Black against Hans Ree. That'll knock your shoes off.
Feb-06-18  Mountain1: < KingsGambiteer: Will someone please explain to me chrisowen's posts?> Looks normal to me. A Normal, boring, empty-head, attention seeking moron, likely never played a game of chess in his life: <<arangue rook and h8 a monarch>> utter gibberish, because arangue rook and "h7" a monarch. Ignore it, this place is full of IT
Feb-06-18  silenttrain: < Mountain1: A Normal, boring, empty-head, attention seeking moron, likely never played a game of chess in his life > Did you consider the possibility that chrisowen maybe once had a normal-functioning mind and even if he doesn't have so anymore still enjoys posting (almost always) correct solutions?
Feb-06-18  posoo: oh my god LOOK it is BLOOVOSTON bak from da dead, geting himself HANDED to himself!

ONE CANNOT IMAGINE da depths of his NYOOZING. Just take a look at da way he mooves da pieces!

Click the link.

Feb-06-18
Premium Chessgames Member
  Domdaniel: <posoo>, on balance, makes less sense than <chrisowen>.

It's a matter of meaningful nonsense (chris) vs total gibberish (posoo).

Feb-06-18  Strelets: Cool game, love the pun.
Feb-06-18
Premium Chessgames Member
  thegoodanarchist: I never played the Pirc against anyone with a master-level rating. It's just asking for trouble.
Feb-06-18  posoo: lol "moaningful nonsense" the way they BEND OVER BACKWARDS to keep da old posoo down!

My life is worth something and I am trying.

Feb-06-18
Premium Chessgames Member
  Domdaniel: < I am trying.>

Yep. Very trying.

Feb-06-18  posoo: WHOOSH i can DEFANANTLY see why DomDanilo has won da COISSOR AWARD from chusgus.com as da WORLDS FUNNIEST MAN before!
Feb-06-18
Premium Chessgames Member
  HeMateMe: For those too young to know:

<https://img.discogs.com/w6PHXEt2398...>

Switched on Bach signaled the beginning of the moog synthesizer as an integral part of rock and roll and also be used in other musical genres.

Early proponents/masters: Keith Emerson (ELP) and Rick Wakeman (YES). Also, Pete Townshend of the Who, who began using it on the Who's Next album:

<https://www.youtube.com/watch?v=gY5...>

great vid!

Feb-06-18
Premium Chessgames Member
  thegoodanarchist: <HeMateMe: For those too young to know:

<https://img.discogs.com/w6PHXEt2398...

Switched on Bach signaled the beginning of the moog synthesizer as an integral part of rock and roll and also be used in other musical genres.

Early proponents/masters: Keith Emerson (ELP) and Rick Wakeman (YES). Also, Pete Townshend of the Who, who began using it on the Who's Next album:

<https://www.youtube.com/watch?v=gY5...

great vid!>

Great post, <HMM>! Thanks for the links!

Feb-06-18
Premium Chessgames Member
  Check It Out: <HMM> Ahh, that's it. Thanks!
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