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Tim Suzman vs Grace D Nsubuga
"Amazing Grace" (game of the day Mar-10-2008)
US Open (2001), Framingham USA, rd 2, Aug-05
Trompowsky Attack: General (A45)  ·  0-1
ANALYSIS [x]

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Kibitzer's Corner
Mar-10-08
Premium Chessgames Member
  Gilmoy: 12.Nb5 loses a tempo, as Black wants to play Rc8 anyways. After 22..Qa5 White's KID/Trompowsky has morphed into a Sicilian, but Black is 3 tempi ahead: (1) didn't play b5 (2) White hasn't played Kb1 -- this becomes the basis of Black's combo! (3) White plays 23.Rf3 to snuff the Rxc3 exchange sac.

26.Qf3 "wins" the d5-pawn -- Black looks deeper and counters with fireworks. 29..Bxc3! is the first real sac (26..Bxa3 was untouchable), regaining two pawns, plus the skewer threat on Rh1. 32..Rd2+ is another 1-point sac (R for N+P), forking the Q and Rc1#. The left half of the board is a pretty picture.

After 35..Qb1+ Black has her choice of either Rook or 36..Rc1 pinning the Q -- she looks a little deeper and collects <both> Rooks for free.

Mar-10-08  Counterpoint: 32...Rd2+!

Black's play at the end is so strong. The queen and rook are absolutely crushing against white's disorganized pieces.

Mar-10-08
Premium Chessgames Member
  al wazir: 36...Rc1 would have been pretty devastating too: 37. Qxc1 Qxc1+ 38. K moves Qxa1. Or 37. K moves Rxd1 38. Rxd1 Qxf4. Or 37. Rd5 Rxd1+ 38. Rxd1 Qe4+ 39. K moves Qxa1, etc.
Mar-10-08  D.Observer: Why did white resign?
Mar-10-08
Premium Chessgames Member
  WannaBe: White resigned, because there ain't no mo'!! :-))
Mar-10-08  Mac3: D.Observer: Why did white resign?

He could not save a wretch like his king?!

Mar-10-08  JohnBoy: <D.Ob> - more to the point, white loses a rook right away. Moving the king or interposing the queen, followed by a trade of queens, allows black to come out a rook up.

<Gilmoy> - you hit the issue head on. Good observations. Thx!

Mar-10-08
Premium Chessgames Member
  RandomVisitor: 23.f5! and now 23...exf5 24.Rxf5 0-0 25.Nxd5; 23...Nf8 24.fxe6; 23...Bxa3 24.Nxd5 favors white.
Mar-10-08
Premium Chessgames Member
  RandomVisitor: 30...Qa1+ 31.Qb1 Rxc3+ 32.bxc3 Qxc3+ 33.Qc2 Qa1+ 34.Qb1 Qxd4 is a nice "windmill" and wins faster.
Mar-10-08
Premium Chessgames Member
  RandomVisitor: 29.Kb1=.

28...Bd6 .

27.Rxf7 =.

26.Rxf7 Kxf7 27.Rf1 .

19...Nc4 =.

Mar-10-08  zb2cr: <D.Observer>,

If 40. Kh2, Qxa1#.

If 40. Qf3, Qxf3+; 41. Kxf3, Rxa1 and Black is up by a Rook and 3 Pawns.

If 40. Kf2, Rxa1 and again Black is up by a Rook and 3 Pawns.

Mar-10-08
Premium Chessgames Member
  Jimfromprovidence: 31 Qb1 is good for white as well, isn't it?


click for larger view

Mar-10-08
Premium Chessgames Member
  kevin86: A powerful skewer! White's came will collapse as fast as a house of cards on fire.
Mar-10-08  AniamL: <Mac3> good one.
Mar-10-08  jovack: White should have just traded down some material to end black's initiative. When you're up on material against good players, it is usually because they gave it for good counterplay. You need to give a little to get a little.
Mar-10-08
Premium Chessgames Member
  gawain: For the record, Grace Nsumuga is a man. Like some others here I made the natural Euro-American assumption from the name "Grace" but then found out otherwise when I tried to learn more about this player.

http://www.namibianchessfederation....

Mar-10-08  teak poker: With a first name like Grace, he might have been educated in a Christian mission school. There's not much formal public education in Namibia. Nice game.
Mar-10-08  teak poker: Wouldn't 39...Rc2 have been as strong or stronger, removing White's queen for a rook?
Mar-10-08
Premium Chessgames Member
  Gilmoy: <teak poker:> Q for R is +4 pawns. R for free is +5 pawns.

More deeply, Black is better in this position with (Q+R vs. Q) than (Q vs. R). After 40.Kf2 Qxh1, Black has strong mate-or-pin threats, while White's Q has no perpetual, and is a poor defender. Black threatens Qg1+, Rf1+, Re1 pinning anyways, and White has no good defense.

In contrast, Q vs. R is generally tedious, because a lone Q can't create mate threats, and is highly unlikely to steal the rook.

Mar-10-08  grasser: Yes Jim. 31.Qb1 seems like a game saver to me too.
Mar-14-08  teak poker: Thanks for the analysis, Gilmoy.
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