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Amador Rodriguez Cespedes vs Georgy Timoshenko
Ubeda op 3rd (1998), rd 6, Jan-20
Sicilian Defense: Four Knights Variation (B45)  ·  0-1



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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Dec-09-12  gofer: I don't see this as "Insane".

<27 ... Qf3>

and White is in real trouble! Black has complete control over the light squares around the king. Taking the lose rook on d8 with check is small recompense. The problem for white is the immediate threat of <28 ... Qh3+ 29 Ke2 Qd3#>!

<28 Qxd8+ Kg7>

White is left with four miserable defenses...

29 Ne3 Qxh1+
30 Ke2 Qf3+
31 Kd2 Qxf2+

29 Re3 Qxh1+
30 Ke2 Bxe3
31 Nxe3 Qf3+

29 Bxe4 Rxe4
30 Rxe4 Qxh1+
31 Ke2 Qxe4+

29 Rxe4 Qxh1+
30 Ke2 Rxe4+
31 Nc3 Qf3+


White went for the quick an painless death via 28 Nd4

<28 ... Qh3+ 29 Ke2 Qd3#>!

Dec-09-12  vinidivici: Nice puzzle.

Its clear that black sacrificed the rook with knowing that after 28.Qxd8+ Kg7 white queen would be in the bad position. Meanwhile black queen at the f3 square got her full mobility. Whatever black move now, it would be no problem.

Just like the post above...
29.Bxf4 bad
29.Nd4 lost just like the actual game.
29.Rg1 Qh3+ 30.Rg2 Qxg2 31.Ke3 Qf3+ 32.Kf1 Qh1+ 33.Ke2 Nf4+ 34.Kd2 Ne6+ 35.Kd1 Qxe1+ 36.Kxe1 Nxd8

Dec-09-12  gofer: <vinidivici>

29 Rg1 Qh3+
30 Rg2 Qxg2+
31 Ke2 ...

<31 ... Qf3+>
<32 Kf1 ...>

Now we are back to our original mating position! But with tempo

32 ... Qh3+
33 Ke2 Qd3#

Dec-09-12  Abdel Irada: <<•>Fast start, long finish<•>>

<Part 1 of 2>

This Sunday, we are faced with another of those puzzles in which the key move is quite intuitive, to a high enough degree of confidence that one is never in doubt. But that's fortunate, because actually calculating all the defenses (including answering the question of whether it is more blessed for the defender to take a rook with check or leave it) takes some time.

Nonetheless, I have to play this GOOT:

<<•>27. ...Qf3!>

We'll give this an exclamation point because it offers a rook. On the other hand, it's fairly easy to see how we're going to get it back, so this doesn't really seem like a true sacrifice.

<<•>28. Qxd8†...>

It's so much added work I'm not going to do it. :-P

I refer, of course, to calculating all the lines in which White doesn't take the rook.

I feel safe skipping this because there appear to be no useful squares the queen can reach from c7 that it cannot also reach from d8; further, removing the rook permits removing the d-pawn, taking the d-file, and thereby stopping mating lines with ...Qd3.

There are positions in which taking a rook with check is the wrong thing to do, but this doesn't seem to be one of them.

<<•>28. ...Kg7>

First crisis for White: Now that he's grabbed the free rook, how shall he avoid losing his own, in a far worse position? Still more pressingly, how shall he prevent 29. ...Qh3†; 30. Ke2, Qd3#?

There are eight options that seem worth examining, some more so than others.

<(1) 29. Rg1?, Qh3†
30. Rg2...>

(30. Ke2?, Qd3#)

<30. ...Qxg2†
31. Ke2, Qf3†
32. Kf1, Qh3†
33. Ke2, Qd3#>

I did warn you.

<(2) 29. Bxe4, Qh3†>

Two alternatives:

<(2.1) 30. Bg2, Qxg2†
31. Ke2, Re4†
32. Ne3...>

Others: (a) 32. Kd3??, Ne5#. (b) 32. Kd1?, Qf3†; 33. Re2, Qxe2#.

<32. ...Rxe3†
33. Kd1...>

(33. Kd2?, Re8†, and Black wins a queen.)

<33. ...Qd5†
34. Kc2, Qe4† >

White's troubles are nearly at an end: (a) 35. Kb3, Qa4#. (b) 35. Kc1, Rxe1#. (c) 35. Kd2, Re2††; 36. Kd1, Qc2#.

<(2.2) 30. Ke2, Rxe4†
31. Ne3...>

(31. Kd1??, Qd3#)

<31. ...Rxe3†!
32. fxe3...>

Others: (a) 32. Kd2, Re2††!; 33. Kxe2 (33. Kd1??, Qd3#), Nf4†; 34. Kd2/Kd1, Qd3†; 35. Kc1, Ne2#. (b) 32. Kd1, Qf3† and White is mated after (b.1) 33. Re2, Qxe2†; 34. Kc1, Rxc3#, (b.2) 33. Kd2, Re2††; 34. Kd1, Qd3#, (b.3) 33. Kc1, Rxe1††; 34. Kc2, Qd1#, or (b.4) 33. Kc2, Qe4† and Black mates as in line (2.1).

<32. ...Qxe3†
33. Kf1...>

Not 33. Kd1??, Qd2#.

<33. ...Qf3†
34. Kg1, Nf4! >

Talk about a GOOT! Black threatens mate with either ...Qg2# or ...Nh3#, and White hasn't even a useful check.

<Concludes in next post>

Dec-09-12  Abdel Irada: <<•>Fast start, long finish<•>>

<Part 2 of 2>

<(3) 29. h3?, Qh1†
30. Ke2, Qf3†
31. Kf1, Qxh3†
32. Ke2, Qd3#.>

Another short flight.

<(4) 29. Re3, Bxe3
30. Nxe3, Rf4!
31. Ke1...>

Abject, but what choice is there?

<32. ...Qxf2†
33. Kd1, Qxe3 >

Black's threats: (...Qf3†, ...Rf2) cannot all be met. This line is more tenacious than it looks, but ultimately insufficient.

<(5) 29. Nb4?!, Qxh1†
30. Ke2, Qf3†
31. Kf1, Rg1†!
32. Kxg1, Nf4 >

White loses handily with either (a) 33. Bxe4, Nh3†; 34. Kf1, Qxf2# or (b) 33. Qf6†!, Kxf6; 34. Nd5†, Nxd5; 35. Bxd5, Qg4†, when Black has a queen for a rook.

<(6) 29. Nd4?, Qh3†
30. Ke2, Qd3#.>

Another excursion into futility.

<(7) 29. Ne3, Qh1†
30. Ke2, Qf3†>

Two choices:

<(7.1) 31. Kd2, Qxf2†
32. Kd1...>

Worse is 32. Re2, Bxe3† and either (a) 33. Kd1, Rg1†; 34. Kc2 (34. Re1??, Rxe1#), Qxe2†; 35. Qd1†, Ka3; 36. Qa4#, or (b) 33. Kc2, Qxe2†; 34. Kb3 (34. Kb1??, Rg1#), Qd1†; 35. Ka3, Qa4#.

<32. ...Bxe3
33. Qxd6...>

If (a) 33. Rxe3?, Rg1† with mate to follow, or (b) 33. Re2, Rg1†, mating as in the preceding notes.

<33. ...Rg2 >

Yet another GOOT. White, down a pawn and with no checks, must find a way to stop multiple mates with an enemy queen and rook on his second rank, and the bishop is immune.

<(7.2) 31. Kf1, Bxe3
32. Rxe3...>

Of course not 32. Re2??, Qh1#.

<32. ...Qd1†
33. Re1, Qd3†
34. Re2, Nf4 >

Within two moves (assuming White offers a spite check), Black will play ...Qxe2#.

<(8) 29. Qxd6, Qxh1†
30. Ke2, Qf3†
31. Kf1, Nf4!>

Still another GOOT. Since no quiet move stops all the threats, White will have to start checking.

<(8.1) 32. Qd4†, Kg8 >

Whether he checks again (33. Qd8†, Bf8) or not, White has no useful move. Black threatens 33. ...Qh1#, and if White plays 33. Qxe4, the game ends after 33. ...Rg1†!; 34. Kxg1, Nh3†; 35. Kf1, Qxf2#.

<(8.2) 32. Qe5†, Kg8
33. Qxf4...>

Checking on e8 gives up the last chance to stop mate after 34. ...Bf8, when Black wins as in the previous line. But even the queen sac turns out unavailing.

<33. ...Qh3†!
34. Ke2, Qd3#>

Time and again, Black has given up material only to follow with a quiet move — a GOOT — and in every case I've examined, White fails to "get out of this."

Sometimes it takes a long trip into a position to see how much it holds. And this time, what it holds is horror and despair for White, and it's all thanks to the relative safety of the respective kings.

Dec-09-12  vinidivici: <29 Rg1 Qh3+
30 Rg2 Qxg2+
31 Ke2 ...

<31 ... Qf3+>
<32 Kf1 ...>

32 ... Qh3+
33 Ke2 Qd3#>

Thats of course a shortcut to the win.

Dec-09-12  Abdel Irada: In my preceding analysis, I committed several typos, which I noted after posting. Most are minor, but there are a couple that may make the analysis of certain subvariations hard to read.

If you encounter any difficulty understanding my solution, let me know, and I'll post an addendum with the corrections.

Dec-09-12  Abdel Irada: Unbelievable: 29. Nd4??

What was White thinking? This is among the easiest winning lines for Black.

Dec-09-12  Conrad93: The puzzle isn't at the insane level. 27...Qf3 is too obvious.
Dec-09-12  Abdel Irada: <Conrad93: The puzzle isn't at the insane level. 27...Qf3 is too obvious.>

I did say that 27. ...Qf3 was obvious, or at least intuitive.

Even so, the puzzle doesn't merit our scorn: Some of the ensuing lines are really quite beautiful. And while one "knows" the key move is sound, some of the defenses are testing.

Dec-09-12  Patriot: The only potentially winning move I see is 27...Qf3.

28.Qxd8+ Kg7 29.Bxe4 Rxe4 30.Rg1 Qh3+ 31.Rg2 Qd3+ 32.Kg1 Rxe1+ 33.Nxe1 Qe2

28.Qxd8+ Kg7 29.Rg1 Rxg1+ 30.Kxg1 Nf4 31.Bxe4 Nh3+ (31.Ne3 Nh3+ 32.Kf1 Qxf2#) 32.Kf1 Qxf2#

28.Bxe4 Rxe4 29.Rg1 Qh3+ is winning as before.

I don't see a defense.

Dec-09-12  JohnAnthony: Same as <Patriot>
Premium Chessgames Member
  chrisowen: Debt of gratitude to those whose solved it queen feel the ropes in

f3 allows c7xd8 dressed to the nines kin has bolthole f8 to g7

lesson in sac material not required blacks only escape at dilligent

29.Rxe4 when ko also occurs as rey has no safe square to run from

knight gutted in f4 threaten g2 in mate whilst kicked cad be boggled

as thinkings 29.nd4 gives immediate a mate in he h3 slided to a d3+

game over for white now in chest queen sussed raw in a f6 read back

to twenty seventh move re1 preffered would have been rg1 prevents

immediate catastrophy of invasion af3 raid puts all blacks pieces in

play if required after f3 there is no going back assured victory in

descend it fond oh captured rook kg7 back knightd4 black has only to

banter f3 across h3 queen flight it her in just bed

Dec-09-12  BOSTER: Let's analyse the pos.
The king does not have a good defense. F2 pawn is the weakness. The queen on c7 is too far from white camp to take part in defense. Rook h1 is out of the game, knight c2 and rook h1 are unprotected, and it would be nice to attack two pieces simultaneously-the point of the intersection-"e4". Black.
The king is safe, "g7" is a good harbour.
Rook d8 is almost in the air and required too much attention from black queen to protect it. But sometimes like in real life you better give up something to feel free.

Pawn e4 twice attacked and has only one defender.
Knight on g6 and bishop h6 are waiting for signal to begin attack. Such artificial weaknesses like e2,f3,g2 and unprotected rok h1 attract the queen on f3 like magnet.

Playing OTB I'd move Re8 to protect e4, but this is not a puzzle. I don't think that Rodriguez is Tal to sacr. the rook d8 with check, but let's see. 27...Qf3 and if 28.Qxd8+ Kg7.
Now if 29.Rg1 Qh3+ 30.Ke2 Nf4+ 31.Kd1 Qf3+ 32.Kc1 Ne6+ 33.Ne3 Nxd8 34.Rxg4+ Qxg4 and black is better.

if 29.Bxe4 Rxe4 30.Rxe4 Qxh1+ 31.Ke2 Qxe4+ 32.Ne3 black is better. The problem is only one: How to play the real games at least like <puzzle>.

Premium Chessgames Member
  agb2002: Black is one pawn up.

White threatens Bxa6 and B(R)xe4.

Black can try to increase the pressure on the white king with several moves (Nh4, Nf4, Qh4, etc.) but the only move that creates serious immediate threats appears to be 27... Qf3, menacing 28... Qh3+ 29.Ke2 Qd3#, 28... Qxh1+, 28... Rg2, 28... Nf4, etc:

A) 28.Qxd8+ Kg7

A.1) 29.Rg1 Rxg1+ 30.Kxg1 Nf4 31.Bxe4 Nh3+ 32.Kf1 Qxf2#.

A.2) 29.Bxe4 Rxe4

A.2.a) 30.Rxe4 Qxh1+ 31.Ke2 Qxe4+ - + [B].

A.2.b) 30.Rg1 Qd3+ 31.Kg2 Rg4+ 32.Kh1 Qf3+ 33.Rg2 Qxg2#.

A.2.c) 30.Kg1 Rg4+ 31.Kf1 Qxf1+ - + [B].

A.3) 29.Rxe4 Qxh1+ 30.Ke2 Rxe4+ 31.Bxe4 Qxe4+ transposes to A.2.a.

B) Other White's moves don't seem to change anything but allowing Black another attacker, the rook on d8.

Dec-09-12  mjkE4: I love when a pawn becomes the most important piece on the board.
Dec-09-12  James D Flynn: Black is a pawn up and his K looks more secure than Whites: 27,,,,,Qh4 or Qf3 would threaten mate in 2 via 28. Qh3+ Ke2 29.Qd3# . 27….Qf3 allows 28.Qxd1+ Kg7 now White can meet the immediate threat of Qh3 by 29.h3 but that allows Qh1+ 30.Ke2 Qf3+ 31.Kf1 Qh3+ 32.Ke2 Qd3# or He can eliminate the mate threat for good by taking the Black e4 pawn by either 29.Bxe4 or Rxe4 returning a piece or a rook or simply 29.Qxd6 returning the R on h1and permitting perpetual check by Qh3+ 30..Ke2 Qf3+ 31.Kf1. However, the mate on d3 is not the only available mate threat after 29.Qxd6 there is also R threatening g2 threatening mate on f2 but this should be preceded by 29….Qxh1+ 30.Ke2 Qf3+ 31.Kf1 Rg2 if 32.Re2 or 32.Qc5 Rh2 and there is no stopping 33….Rh1#, hence 29.Qxd6 is insufficient and White must take on e4 after 27…..Qf3 but there seems little harm in playing first 28.Qxd8+ Kg7 29.Bxe4 (if 29.Rxe4 Qxh1+ 30.Ke2 Rxe4+ 31.Ne3 Rxe3+ 32.fxe3 Qxb7 wins)Rxe4+ 30.Rxe4 Qxh1+ 31.Ke2 Qxe4+ 32.Ne3(not Kd1 Qd3+ 33.Kc1 Ne2#)Nf4+ 34.Ke1 Qd3 35.Nf5+ Qxf5 with overwhelming material advantage plus a mating attack.
Dec-09-12  sshhhh: Heroic effort <Abdel Irada>. I thought I'd solved it (and I certainly saw the main lines), but I wonder how many of the people who said this was too easy saw even half of this.
Dec-09-12  Kikoman: Yeah! I got this time, a rook sac leading to mate. ♕f3!! Δ ♕g2+ and followed by ♘f4+# weather White takes the rook at d8 or not he lost! Kihx3
Dec-09-12  bachbeet: A fairly simple move that I never saw. I was too afraid of the check so I thought I had to keep the Q protecting the d8 rook.
Dec-09-12  waustad: I looked at Rg2 before the Qf3. I don't know if it works or not, but taking the rook looks bad to me.
Premium Chessgames Member
  Bobby Spassky: Dear rilkefan,

<< So stockfish says 27...Bg5 is -4, and though not immediately crushing like ...Qf3 may require less accurate calculation.>>

I stuck it on my silicon monster and it says Qf3 mates in 18 moves.

Premium Chessgames Member
  Bobby Spassky: Correction, it is mate in 12 moves.
Dec-10-12  waustad: I suppose taking the two rooks for the queen diffuses my line.
Dec-11-12  TheBish: Wow, I could actually understand chrisowen's post, which I believe (if I read the Mayan tablets correctly) is a sign of the apocalypse, which is supposedly on Dec. 21, 2012.
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