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Andres Rodriguez Vila vs Giovanni Vescovi
XII Festa da Uva Rapid Open (2012) (rapid), Caxias do Sul - RS , rd 5, Mar-03
Sicilian Defense: Najdorf Variation. Adams Attack (B90)  ·  1-0



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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jan-26-13  C4gambit: Felt so good finding the b4! Then felt stupid cause I missed the knight move defense! How much advantage did white really have with his Q against 2 R?

And, why not 14. ... e6xN?

Jan-26-13  fokers13: Haven't bothered to read comments what i saw was an immediate 24.Nc7 followed by Qxf4 and then Qxd4 or Rxe6 not sure if it works.
Jan-26-13  fokers13: And of course Qxf4 drops the queen.

Meh it was an honest result for 30 seconds of effort.

Premium Chessgames Member
  chrisowen: Hoof in delves try it down in dig 23.b4 looks promising as queen is deflected from guarding key entrance at < d8+ and d6 > so nebula the on wax 23...ne2+ when king goes to door 24...Kh2 and now a little flurry it is making way ok bind 24...Rxb4 25nc7+ or alive 25.Rxe6+ both lead to gain of queen clink 25...Qxc7 26.Rxe6+ or again 25...Bxe6 26.nc7+ included to doubles 27.Qxc7 numbing black knighty is loose and so is right rookb4 white can pick off b7 plant queen to win e2.
Premium Chessgames Member
  chrisowen: Rough in estimate queen is too strong accompanied by f6 pawn has watch over back rank so when black checks at b1 the king hasnt crawled in h2 stub in fool it is braving 27...rb1+ king moves up ply it shuffle 27...Kf8 ok bind it is every again chance queen in bade effect, stampede at honour at e7+ in cobble the streets cave in grabbing rookb4 with a won game for white.

Rook in d6 threatens so d8 in cranking back burn d5 in c7, once queen is shunted off cline rook checks and our time has come to invasion at mind d6 in wall it is magic queenie e5 and before that a5 live ping centre it her on b6 a key together bind concrete d5 knight card it round about now in zebedee spring I think again coil around rook queen knight pawn in difficult band before load in got 23.b4 pure tactics stem from knight in fable queen every our catch in feed him having b4 exactly it hoe in raking b4 rifle aim it ok arabian grind in garden energy released.

Premium Chessgames Member
  patzer2: <How much advantage did white really have with his Q against 2 R?> With strong play, it's more than just Q against 2R.

After the forcing line 24. b4! Ne2+ 24. Kh2! (improving over 24. Kh1 played in the game) 24...Rxb4 25. Nc7+! Qxc7 26. Rxe6+ Bxe6 27. Qxc7 , White will win the Black Rook on b4 with a clearly decisive advantage after either 27...Kf8 28. Qc5+ Kg8 29. Qxb4 or 27...Bd7 28. Qc5 Kd8 29. Qxb4 .

Premium Chessgames Member
  kevin86: I missed this one. Rxe6+ loses as black takes with the knight and guards everything!
Jan-26-13  brainzugzwang: I realize this was a rapid game, but is 35...Ke8 a blunder? Looks like it walks the Black K right back into the mate it was trying to avoid in the first place, and while White has a strong position before Black's Ke8, not sure I see any immediately devastating threats. What am I missing?
Premium Chessgames Member
  Jimfromprovidence: <patzer2> <24. Kh2! (improving over 24. Kh1 played in the game) 24...Rxb4 25. Nc7+! Qxc7 26. Rxe6+ Bxe6 27. Qxc7 , White will win the Black Rook on b4 with a clearly decisive advantage after either 27...Kf8 28. Qc5+ Kg8 29. Qxb4 or 27...Bd7 28. Qc5 Kd8 29. Qxb4 .>

Nice comment about white winning the rook in your above line after 29 Qxb4, below.

click for larger view

I just want to add that black will lose the knight as well as there is no way black can effectively stop 30 Qd2 as 29...Rd8?! runs into 30 Qh4.

click for larger view

Jan-26-13  Mullentality: why not 14...exf5?
Jan-26-13  mistreaver: Saturday. White to play. Very Difficult. 23?
Gee what a massacre. White is a rook down and has to play energetically. Black rook is taboo because the queen would go either by direct taking or by knight fork on e2. Not seeing anything ore convincing, i decided to grab the queen: 23 Nc7+! Qxc7 (forced, because Kf8 Rd8 is mate)
24 Rxe6+ Bxe6 (this seems better, developing a piece) 25 Qxc7 (threatening mate on e7) Kf8
and now perhaps Bxb7 can be played, then Kg2 when also rook on f4 is threatened, but there is still a lot to play. Time to check.
Ahh, b4, what a nice diversion!!. Of course, Nxe6 is a simple refutation of Rxe6+ therefore, Nc7 is completely incorrect.
Jan-26-13  Khapablanca: 23 c3 does the job with less complications.
Premium Chessgames Member
  LIFE Master AJ: I saw both b4 and the immediate Nc7+ ... but I did not see the easy win. (In fact, this was extremely difficult, after 20 or so minutes of analysis, I simply gave up.)
Premium Chessgames Member
  patzer2: <Jimfromprovidence> Thanks for the nice find on the followup to the 24. Kh2! line.

With apologies to our more proficient regulars here, it might be helpful for novice players to recognize that after 29. Rd8?! 30. Qh4 in your diagram above, Black's position is clearly lost after 30...Kf8 31. Qh8#, 30...Rd2 31. Qh6 with mate to follow, or 30...Nc3 31. Qg3+ Kf8 32. Qxc3 winning the hapless knight.

Premium Chessgames Member
  patzer2: On second thought, after 30...Nc3 31. Qh6 with mate to follow would be better than extending the game by grabbing more material with 30...Nc3 31. Qg3+ Kf8 32. Qxc3 .
Jan-26-13  rilkefan: Ack, I chose 23.Nc7+ after little reflection, missing that black has 24...Nxe6 defending.
Jan-26-13  cyclon: Went late, but it seems that 23. b4 wins quite outright; ( 23. Rxa6? Ne2+ 24. K- Qxf2 and White gets mated unless he goes for 24. Qxe2 Rxa6 25. Nxf4 ) if Black Queen leaves the a3 - f8 diagonal White plays 24. Rd8+ mating. I'm tired now, but I don't see any reasonable move for Black after White's 23. b4 - he can resign with good conscience. So, 23. b4 and cufflinks for White.
Jan-26-13  cyclon: My comment was incorrect in the sense that proclaiming win for White after 23. b4 was premature. I overlooked 24. -Rxb4 but NOT 23. -Ne2+. After 24. -Rxb4 there's still game left, win doesn't come for White yet as a 'dinner for the Prime - Minister'.
Jan-26-13  James D Flynn: White is a pawn up and a R down, but that is not immediately important since both Ks are in some danger and the Black R on f4 is en prise but cannot be taken because 23.Qxf4 Ne2+ wins the Q. The White Q is the only defender of the R on d6 and the Black Q is all that prevents 23.Nc7+ Kf8 24.Rd8#. The f2 pawn is attacked by the f4 R and the Black N is blocking the Q who could otherwise take it. If Black it were Blacks move he could play 23….Rxf2 because 24.Kxf2 Nb5+wins the R on d6 and th number of pawns is equal. It appears that Black is threatening 23….Nb5 simultaneously attacking the R the f2 square and defending against Nc7+ but White can then play 4.Qxf4 so this can only we played with check. Candidates 23.Kh1, c3, b4
23.Kh1(threat Qxf4) Rxf2 24 Qg3(threat Qg8#) Rxg2 25.Qxg2(if Kxg2 Qxc2+ Kh126.Qc1+ and Black has a perpetual) Qxd6 26.Qg8+ Kd7 27.Qxf7+ Kc6 28.Ne7+ Kg6 and the K escapes 23.c3 Nb5 24.Qxf4 Nxd6 9threat Ne4 winning the f2 pawn with attack on the White K, 23.b4 Qxc2 24.Rd8+ Kxd8 25.Qd6+ Bd7 26.Qf8+ Be1 27.Qe7+ Kc8 28.Qxe8#
Jan-26-13  john2629: 23 b4
if 23...Qc4 or QXc2 then 24.Rd8! KXd8 25.QD6+ Bd7 26.Qe7+ Kc8 27.Qf8+ Be8 28.QXe8 mate
Jan-26-13  nariga: 23. Rc6 seems to be a better move? Regardless of how black takes the rook, white gets black Q in exchange for R and N.

23. Rc6 bxR 24. Nc7+ with black Q exposed

23. Rc6 NxR 24. Nc7+

23. Rc6 QxR 24. Nc7+

23. Rc6 any other move and 24. Qc7 or Qd6

Premium Chessgames Member
  Penguincw: I got the first 2 moves (the harder one) but missed the more obvious move (free queen). :\
Premium Chessgames Member
  patzer2: <nariga: 23. Rc6 seems to be a better move? Regardless of how black takes the rook, white gets black Q in exchange for R and N.> I think 23. Rc6 is not the better move because 23. Rc6 Qxc6! 24. Nc7+ Kd7! leaves Black better off than after 23. b4! . For more analysis of 23. Rc6, see <Phony Benoi>'s post on page one of the kibitzing for this game.
Jan-27-13  Eduardo Bermudez: Excellent tactical performance by GM Andres Rodriguez Vila !
Jan-27-13  David2009: A Rodriguez Vila vs G Vescovi, 2012 White 23?

Here's the puzzle position

click for larger view

linked to Crafty End Game Trainer Against the game moves for White, the obstinate robot defends as did Black in the game from move 23 through to move 32 (!), where it varies with 32...Kh8! and the win is still tricky. However White lost a tempo with 24.Kh1 instead of 24.Kh2 and the last move makes the win easier. Enjoy exploring the variations!

For a real-life puzzle which I missed, see morfishine chessforum.

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