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Jasper Tambini vs Victor G L Jones
British Championship (2010), Canterbury ENG, rd 6, Jul-31
Indian Game: London System (A48)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Feb-28-11  ajile: I had 29..Rfa8 also. Black forces mate in 2 so still wins but maybe not as fancy.
Feb-28-11  stst: 29...Ra1+
30. Kxa1 Qxa2+
31. Kb1 Qa2+
32. Kc1 Qb2+

anything quicker than this?

Feb-28-11  stst: sorry, typo:

30... Qa4+

Feb-28-11
Premium Chessgames Member
  Once: <Takechess> I had to look this one up!

Wikipedia gives these definitions:

<Decoy>: this is a chess tactic used to lure a piece to an unfavourable square.

<Deflect>: the inverse of a decoy (see above). Whereas a decoy involves luring an enemy piece to a bad square, a deflection involves luring an enemy piece away from a good square; typically, away from a square on which it defends another piece or threat.

In other words, a decoy pulls a piece onto a bad square; a deflection pushes a piece away from a good square.

I couldn't find a separate definition of "distraction", which seems to be another way of saying "deflection".

Or perhaps it is when your female opponent wears a low-cut blouse.

Or your male opponent gently lifts one buttock off the chair and ... ahem ... breaks wind.

Unfortunately for me, the latter happens far more frequently than the former.

Feb-28-11  Akavall: <ajile: I had 29..Rfa8 also. Black forces mate in 2 so still wins but maybe not as fancy.>

White does have 30. Qd8 Rxd8 31. Rxd8 Bf8, but black is completely winning here still. It doesn't look like a puzzle solution, but I couldn't find anything better (!?).

Feb-28-11  dadoktor: Rfa8 is simply unstoppable mating treat. White can stop the mate only with sacrificng material and get into a lost position then. That was my solution bet guess it was wrong
Feb-28-11  Medieval Knight: How about 29...Rfa8 (Mate next move), 30.Qd8+ Rxd8, 31.Rxd8+ Bf8 32.Rd2 (Preventing Qc2#) Ra1+, 32.Kxa1 Qa4+, 33. Kb1 Qa2+ 34. Kc1 Qa1#. Not as elegant, but it works. White rook on d2 aids the mate.
Feb-28-11  wals: Besides the game # there was also :-

Rybka 4 x 64

d 16 : 4 min :

2. (-#6): 29...Rfa8 30.Qd8+ Bf8 31.Qxf8+ Rxf8 32.Re2 Qxe2 33.Bd2 Qxd1+ 34.Bc1 Qc2#

White's losing moves were:-
26.Bd3, -4.19, and 29.Kb1, -#4.

Feb-28-11  David2009: J Tambini vs V Jones, 2010 Black 29...?

Black wins with 29...Ra1+ 30 Kxa1 Qa4+ 31 Kb1 Qa2+ 32 Kc1 Qxb2# (a clearcut mate in 4), or more messily with 29...Rfa8 seeeing 30 Qd8+ Bf8 31 Qxa8 Qc2#. White delays mate a few moves with 31.Qxf8+ etc: the checks soon run out and White is not stalemated. Time to check:
===
<agb2002> has said it all: I haven't checked the earlier kibitzes.

Feb-28-11  sevenseaman: <Once> <Or perhaps it is when your female opponent wears a low-cut blouse.>

So very true. I could barely cope at chess; but at billiards, omg.

Feb-28-11  MountainMatt: Missed it. No chess for me today!
Feb-28-11  TheFocus: <Once> <Or your male opponent gently lifts one buttock off the chair and ... ahem ... breaks wind.

Unfortunately for me, the latter happens far more frequently than the former.>

This reminds me of something Kasparov said about Karpov. Something about having played Karpov so often that he was familiar with all his smells.

Does anyone have that quote laying around?

Feb-28-11  turbo231: Did someone mention a low cut dress? What about this low cut dress. h<object width="480" height="360"><param name="movie" value="http://www.dailymotion.com/swf/vide..."><
Feb-28-11  Grilo: 14.h3 is a tough move for me to swallow.


click for larger view

First of all, yes, I understand the purpose of advancing f4 whilst mantaning control over g4 and opening the scope of the light-squared bishop.

But after facing over and over kingside fianchettos against my patzer buddies, 14.h4 seems such a natural move.

My intention is to sacrifice the little indian (H is for "hack", as I've read once) with 15.h5 ♘xh5 16.f4, opening the light-squared bishop fire right when it's needed.


click for larger view

I haven't run it through Fritz and have no practical intentions of doing so, just want to hear what you think about this.

I have skipped Black's move 14... for practical reasons, 14...h5 could disturd my immediate plans, one could attempt 15.f4 but I believe White has enough time for the ♘f1-♗d2-♘e3-♖dg1 followed by f3-f4 maneuver.


click for larger view

White's queenside structure strikes to me as a blockadable formation.

Again, haven't been through deep analysis of this, just overall plans.

Feb-28-11  TheFocus: <turbo231> I believe that lady is on crack.
Feb-28-11  stst: per Smyslov's style, the objective is not only to win, but to win the game most economically.

Even though we're open-minded, Rfa8 is obviously not forcing the win as Ra1+, which allows W to delay the loss via Qd8+ which could not save the loss.

Well, OK to put up for analysis though.

Feb-28-11  turbo231: <TheFocus: <turbo231> I believe that lady is on crack.>

No? She's not on crack but a different kind of cleavage? By the way I really liked today's puzzle. You only say that <turbo231> because you figured it out. If you hadn't it would have been the worst puzzle in the world. I know you. Me?

Feb-28-11
Premium Chessgames Member
  Phony Benoni: I wouldn't say that <29...Rfa8> is "wrong" just because it's not the game continuation. Looks like it forces mate in 6 rather than 4, which really wouldn't matter most of the time.

But in this case it's not the best for another reason. 29...Ra1+ leaves White no choice, which means Black has less to calculate and fewer chances to make a mistake.

Let's change the position just a little bit:


click for larger view

Now both ...Ra1+ and ...Rfa5 lead to mate in four. However, the latter move is much less favorable to Black. Forcing sequences, particularly those with check, avoid such unpleasant surprises.

Feb-28-11
Premium Chessgames Member
  takchess: <Once>
Thanks.
Tak
Feb-28-11  eSpade: Simple Rook a-file distraction :)
Feb-28-11  hstevens129: Indian Jones
Feb-28-11  alachabre: The first thing that strikes me about this position, is that if the Black queen and rook were to reverse position, Qa2+ is mate. So I want to make that happen.

29. ... Ra1+
30. Kxa1 Qa4+
31. Kb1 Qa2+
32. Kc1 Qa1+
33. Kd2

Has this done any good? It's a very easy position to visualize.

34. ... Qxb2+
35. Qc2

So far Black's moves have been excruciatingly forced. Now

36. Rd8+ and eventually the king must move away from the queen and she is lost.

Feb-28-11  alachabre: Ah drat, missed the easy checkmate on b2. Ah well, in the midst of moving pieces in the variation, I will console myself that I probably would have seen it.
Feb-28-11  WhiteRook48: saw that, duh. this was kind of obvious but I went for the 32...Qa1+ 33 Kd2 Qxb2+ 34 Qc2 Qxc2+ instead because I missed the quicker mate
Mar-01-11  David2009: <Phony Benoni: [snip]


click for larger view

Now both ...Ra1+ and ...Rfa5 lead to mate in four.> Indeed they both do!! Nice one! :))

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