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Wesley So vs Nasib Ginting
"A Separate Piece" (game of the day Mar-05-2016)
ASEAN Masters Circuit GMA (2008), Tarakan INA, rd 8, Jan-16
Sicilian Defense: Richter-Rauzer. Classical Variation (B65)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Mar-05-16  mruknowwho: I detest that situation; find a way to put your opponent in check or you lose.
Mar-05-16  bcokugras: Why don't for black : 31... Qxa2 ?
Mar-05-16  erixn: bcokugras : 31...Qxa2 allows White a few checks: 32.Qh5+ Kg8 33.Nf6+! when gxf6 allows 34.Rg1+, and Kf8 34.Qh8+ Ke7 35.Qxg7+ (or even 35.Rd7+) is also a winning attack for White. Pretty game - I love it when players simply stubbornly ignore the threats to their own pieces!
Mar-05-16  MCDreamz: <piltdown man: Wonderful pun!>

Thank you!

Mar-05-16
Premium Chessgames Member
  OhioChessFan: Nice pun, but why for this game? Why not instead one by a player named Knowles, or Forrester?

And which piece in this game would qualify as the separate piece? Again, nice pun, but it seems randomly attached to this game.

Mar-05-16  epistle: A Separate Peace is about betrayal of friendship. It's a good pun.
Mar-05-16  Howard: But it was never really established in the novel whether Gene really did deliberately shake that tree limb that Finney was about to dive off of.
Mar-05-16  bcokugras: Thx erixn.
Mar-05-16  kevin86: White win because black runs out of checks.
Mar-05-16  kamagong24: awesome game!!!
Mar-05-16
Premium Chessgames Member
  OhioChessFan: <Howard> I think yes, it was. As for the pun, I still don't get it in regards to this game.
Mar-05-16  Shams: <OCF> I'm glad you said something because I'm 100% at a loss.
Mar-06-16  iking: ... "Elwin 'Leper' Lepellier: Leper is Finny and Gene's friend, and a key member of the Super Suicide Society of the Summer Session." ... Ginting might be alluded to as a suicidal attacker in this game, ultimately, running out of checks .. maybe.
Dec-31-22  jrredfield: I chose 31 Ng5, thinking to home in on the Black K and ward off the threats of 31 ... Rc2 and a possible back-rank mate threat. But unfortunately, 31 Ng5 only leads to a draw. The text move nullifies Black's Q and R threats and lets White carry on an attack against the Black K.
Dec-31-22  mel gibson: I didn't know.

Stockfish 15 says:

31. c3

(31. c3 (c2-c3 ♖c8-f8 ♘e4-g5 ♕a5-f5 ♕g6xf5 ♘e3xf5 ♖d1-d7 ♖f8-b8 a2-a4 ♘f5xh4 a4-a5 ♘h4-f5 b2-b4 ♘f5-e3 ♔c1-b2 ♘e3-g4 a5-a6 b7xa6 ♖d7xa7 ♔h8-g8 ♔b2-b3 ♘g4-e5 ♖a7xa6 ♔g8-f8 ♖a6-a5 ♘e5-c6 ♖a5-f5+ ♔f8-e8 ♖f5-f7 g7-g6 ♖f7-f6 ♘c6-a5+ ♔b3-c2 ♘a5-c4 ♖f6xg6 ♔e8-e7 ♖g6-c6 ♘c4-e3+ ♔c2-b3 ♔e7-d7 ♖c6-c5 ♖b8-e8 ♘g5-f3 ♘e3-g4 ♖c5-g5 ♘g4-f2 ♖g5-e5 ♖e8-f8 ♘f3-d4 ♖f8-h8 c3-c4 ♔d7-c8 ♖e5-d5 ♔c8-b7 ♘d4-b5 ♖h8-h3+ ♔b3-a4 ♘f2-d3 ♖d5-d7+ ♔b7-c8) +5.37/44 400)

score for White +5.37 depth 44.

Dec-31-22  Brenin: White needs to fend off Black's checking threats, such as Rxc2+, long enough to play Ng5, with Qh7 mate in mind, and 31 c3 seems the likeliest way to do this. For example 31 ... Nxd1 32 Ng5 Rxc3+ (32 ...Kg8 33 Qe6+ with mate in a few moves) 33 Kb1 as in the game, or 31 ... Qa4 32 Qh5+ Kg8 33 Nf6+ Kf8 (33 ... gxf6 34 Qg6+ wins) 34 Rd2 looks good for White. I'm not convinced, but OTB I'd give it a try.
Dec-31-22  Vermit: I looked at the ending 31.Ng5 Rxc2+ 32.Qxc2 Nxc2 33.Rd8+ Qxd8 34.Nf7+ but that seemed to get nowhere
Dec-31-22  NBZ: Alas, I missed that the queen on a5 guards d8. So I thought 31. Ng5 Rxc2+ 32. Qxc2 Nxc2 33. Rd8 is mate (when it only leads to a draw, as <Vermit> points out).

I did find a cool line if Black tries to defend from 31. Ng5 with 31. ... Qf5. Everything seems defended, until you realize white has 32. Nf7+ Kg8 33. Nh6+! (oops).

Dec-31-22
Premium Chessgames Member
  chrisowen: Ko winner q jah it's u c3 fob feint he it's eg iota dub axiom jab it's a good quod c3 if :)
Dec-31-22  agb2002: White is one pawn up.

Black threatens Nxd1 and Nxc2+.

The natural 31.Ng5 and the tricky 31.Nf6 (31... gxf6 32.Qh6+ Kg8 33.Rg1+ Kf7 34.Rg7+ Ke6 35.Qxe3+ Qe5 36.Qxe5+ and 36.Rxb7) can be met with 31... Rxc2+ 32.Kb1 Rxb2+ 33.Kxb2 (else mate next) 33... Qb4+ 34.Ka(c)1 Qc3+ 35.Kb1 Qb4+ with perpetual check.

The defense 31.Rd2 is met with 31... Rxc2+ 32.Kb1 (32.Rxc2 Qe1#) 32... Rxd2.

These details suggest 31.c3:

A) 31... Nxd1 32.Ng5

A.1) 32... Qf5 33.Nf7+ Kg8 34.Nh6+ wins decisive material.

A.2) 32... Kg8 33.Qe6+ and mate in two.

B) 31... Qf5 32.Qxf5 Nxf5 33.Rd7 Nxh4 34.Rxb7 Ra8 35.Kd2 must be winning.

C) 31... Qe5 32.Ng5 Rxc3+ 33.Kb1 is winning (33... Qf5+ 34.Qxf5 Nxf5 35.bxc3).

D) 31... Qa4 32.Qh5+ Kg8 33.Nf6+

D.1) 33... gxf6 34.Rg1+ Kf8 35.Qh6+ Kf7 (else 36.Qxe3+) 36.Rg7+ Ke6 (else 37.Qh8#) 37.Qxe3+ must be winning.

D.2) 33... Kf8 34.Rd2 looks good for White (34... gxf6 35.Qh8+ and 36.Qxc8).

Dec-31-22
Premium Chessgames Member
  dorsnikov: I went for N-g5 right off the bat.
Dec-31-22  King.Arthur.Brazil: After thinking carefully, the only reasonable move to White is 31. ♔b1 ♘xd1 32. ♘g5 Now, if Black tries to escape: 32... ♔g8 33. ♕e6+ and check-mate next. To avoid the mate, I thought of 31... ♕f5. Then 32. ♖g1? ♕xg6 33. ♖xg6 ♔h7 and game even. Or 32. ♕xf5 ♘xf5 33. ♘g5. Now, 33... ♘xh4 34. ♖h1 ♖c4 35. ♘f3 g5 36. ♘xg5 ♔g7 with a hard end-game. Time to check out... It seems that nobody selects my move, but I must agree with <NBZ>... there's no ♕f5.

Thanks so much for your kindness about the situation in Brazil and I'm hopefully that things will be solved today. God help us. Any way, happy new year, everybody!

Dec-31-22  Brenin: <King.Arthur.Brazil>: I'm afraid that 31 Kb1 Nxd1 32 Ng5 loses to 32 ... Nc3+. For example, 33 bxc3 Qb6+ 34 Qxb6 axb6 35 Kb2 Rc4 and Black wins the endgame, or 33 Ka1 Qxa2 mate, or 33 Kc1 Nd2+ 34 Kd1 (not 34 Kc1 Qe1 mate) Rd8+ 35 Kxe2 Qd2+ with an easy win.
Dec-31-22
Premium Chessgames Member
  Jimfromprovidence: I'm not seeing a win after 31...Rf8.


click for larger view

The idea with that move is that after 32 Ng5 black will follow with 42...Qg5 ending white's mate threat.


click for larger view

Jan-04-23  widjaja70: @User: Jimfromprovidence you are right. Maybe Black could have played Rf8 from move 30. Instead of playing 30....Rc8, he could have played 30.... Rf8; followed by 31.... Qf5.
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