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Ibragim S Khamrakulov vs Francois Fargere
Lisbon Open (2001), Lisbon POR, rd 5, Aug-25
Sicilian Defense: Alapin Variation. Smith-Morra Declined (B22)  ·  1-0

ANALYSIS [x]

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sac: 32.Rg5 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Apr-23-21  Cheapo by the Dozen: White's first move is easy to see, as Black's queen is overloaded. And it's clear that Black only defensive try is the game move.

After that, however, I missed the game combination. Instead, I went with Nd7 to further stress the Black queen, which the engine rates at +1.60

Apr-23-21  drollere: i went with 30. Rxe7, Qxe7, 31. Rxg7+
Kh8, 32. Rxh7#.
Apr-23-21  Walter Glattke: Suzanna Hoffs (Manic Mondsy) defence: 30.Rxe7 Qxe7 31.Rxg7+ Kh8 32. Rxh7# B) 30.-h5 31.Qh4 1piece or 31.-hxg4 32. Qxh7# 31.-Rxd4 32.Bxh7+ Kxh7 33.Qxh5+ Kg8 34.Bb4
Apr-23-21
Premium Chessgames Member
  al wazir: I went with 32. Rh4. It doesn't work, because after 32...Qxe7 33. Rxg7+ 33. Rxh4+ Kg8 34. Ng6 fxg6 35. Qxg6 Qf6 (or 35...Rf6) 36. Qh7+ Kf7, the ♔ escapes.

What was the purpose of 29...Kg8 ?

Apr-23-21  Brenin: I got this one, though it took some work to find the best response to 30 ... h5. At the end, Black can try to minimise his losses by 34 ...Kxg7 35 Nxe7+ Kf6, trapping the N. Unfortunately for him, 36 Qg5 is mate.
Apr-23-21  malt: 30.R:e7 R:d4
(30...Q:e7 31.R:g7+ Kh8 32.Rh7# )

31.Nd7 R:d7 32.R:d7 Qa1+ 33.Kh2 h5 34.B:h7+ K:h7 35.Rg5

also Δ 36.♗c3

Apr-23-21  mel gibson: I saw the correct move straight away -
it was a free Bishop as Black is mated
if the Queen takes back.

Stockfish 13 says:

30. Rxe7

(30. Rxe7 (♖a7xe7 h6-h5 ♗d3xh7+
♔g8xh7 ♖g4-g5 ♗a8-e4 ♗d2-c3 g7-g6 ♖e7-c7 b6-b5 ♔g1-h2 ♖f8-g8 ♖c7xf7+ ♕f6xf7 ♘e5xf7 ♖d8-d7 ♘f7-e5 ♖d7-a7 ♕g3-e3 ♗e4-f5 g2-g4 ♖a7-a2+ ♔h2-h1 b5-b4 ♗c3xb4 ♖a2-a1+ ♔h1-h2 ♖a1-a2+ ♔h2-g3 h5xg4 h3xg4 ♖g8-g7 ♘e5-f3 ♖a2-a8 g4xf5 e6xf5 ♘f3-e5 ♖a8-b8 ♕e3-e1 ♖b8xb4 ♕e1xb4 ♔h7-g8 ♘e5xg6) +12.55/38 516)

score for Black +12.55 depth 38.

Apr-23-21  Cellist: I could not decide between 30. Rxe7 and Bxh7+. Both win clearly, the former more clearly than the latter. I played the rest of the game in "guess-the-move" mode and found most of the continuation, although I liked 32. Qh4 more than the text move because my Q is then protecting the R on e7. Both win clearly, although my preference again is less strong than the text. Oh well ...
Apr-23-21
Premium Chessgames Member
  benveniste: I ended up playing 32. ♖h4 instead of ♖g5, so I'll give myself 80% credit.
Apr-23-21  catlover: I went with the line <drollere> described above. I did not see the superior defense that was played in the game.
Apr-23-21  njchess: Not that tough a puzzle. 30. ♖xe7 is pretty obvious. And even though there are a lot of moving parts with which to contend, Black has no good moves and no real counterattack. White's biggest problem is how to maximize the situation.

As soon as Black's Queen stops defending the g7 pawn, it is game over. Unfortunately, there is no good alternative to 32. ... ♕xe7. For example, 32. ... ♗e4 33. ♖xh5+ ♔g8 34. ♘g4 ♕g6 35. ♕h4 ♕xh5 36. ♕xh5 ♗g6 37. ♕g5 +-

Apr-23-21
Premium Chessgames Member
  chrisowen: Defect i ooh ein Rxe7 garrulous abridge longus affixes fluffs again i defect hermit i ooh jumpy pebbles waits quick knuckle log love defect x its undulate chunks it hey mill cab with door quick addups either accreditation macks hither focus about eggshead be it evolution Rxe7 diet;
Apr-23-21  agb2002: Black threatens h5 and Rxd4.

The black queen is overburdened with the defense of g7 and the bishop on e7. This suggests 30.Rxe7:

A) 30... Qxe7 31.Rxg7+ Kh8 32.Rxh7#.

B) 30... h5 31.Bxh7+ Kxh7 32.Rg5

B.1) 32... Qxe7 33.Rxg7+

B.1.a) 33... Kh6 34.Nxf7+ Qxf7 (34... Rxf7 35.Qg6#) 35.Qg5#.

B.1.b) 33... Kh8 34.Ng6+ Kxg7 (34... fxg6 35.Rxe7 + - [Q+P vs r]) 35.Nxe7+

B.1.b.i) 35... Kf6 36.Qg5#.

B.1.b.ii) 35... Kh6 36.f5+ Kh7 37.Qg5 and 38.Qh6#.

B.1.b.iii) 35... Kh7 36.Qg5 looks winning.

B.1.b.iv) 35... Kh8 36.Qg5 Kh7 37.f5 and 38.Qh6#.

B.2) 32... g6 33.Rxg6 Qxe7 34.Rg7+ transposes to B.1.

C) 30... Rxd4 31.Nd7 Qxe7 32.Rxg7+ Kh8 33.Rxh7#.

Apr-23-21  thegoodanarchist: No soup for me.
Apr-23-21
Premium Chessgames Member
  offramp: RxB, NxBP, Rxg7+, Qxg7+, Bxh7+, f5, Bxh6 MATE!
Apr-23-21
Premium Chessgames Member
  chrisowen: Hmm but play for keepsake noggin no?
Apr-23-21  Brenin: <agb2002>: Typically thorough analysis! However, <B.1.b.iii) 35... Kh7 36.Qg5 looks winning> is an understatement: Black has no adequate response to the threat of 37 f5 and 38 Qh6#, e.g. 36 ... f5 or f6 37 Qg6+ Kh8 38 Qh6#.
Apr-23-21
Premium Chessgames Member
  Breunor: Odd how these puzzles go, I found this right away, I sometimes miss the so called ‘easy’ ones.
Apr-23-21  WorstPlayerEver: I found 34. Ng6+ on the spot, there must be something wrong with me.
Apr-23-21  agb2002: <Brenin: <agb2002>: Typically thorough analysis! However, <B.1.b.iii) 35... Kh7 36.Qg5 looks winning> is an understatement: Black has no adequate response to the threat of 37 f5 and 38 Qh6#, e.g. 36 ... f5 or f6 37 Qg6+ Kh8 38 Qh6#.>

Yep. I noticed I started repeating myself a bit too much.

Apr-23-21  King.Arthur.Brazil: I believe that 30.♖xe7 is the expected sacrifice to take away the defensive piece ♕, which many found. Black find a tentative to continue with 30....h5 so the 'difficult' move is the simple 32.♖g5..., that says to Black: play! Me, the King, give to you this line: 32...g6 33. ♖xg6 ♕xg6 34. ♕xg6+ ♔h8 35. ♕h6+ ♔g8 36. ♘g6... and check-mate next! If 33...♕xe7, returns to the game line, with 34.♖g7+♔h8 35.♘g6+. Game over.
Apr-23-21  opus: White loses material:

34...fxg6 35. Rxe7 Rg8

34...fxg6 35. Qxg6 Qxg7 36. Qxg7+ Kxg7

three move repetition:

34...fxg6 35. Qxg6 Qxg7 36. Qxh5+ Qh7 37. Qe5+ Kg8 38. Qg5+ Kh8 39. Qe5+ Kg8 40. Qg5+ Kh8 41. Qe5+

checkmate:

30. Bxh7+ Kxh7 31. Rxg7+ Kh8 32. Ng6+ fxg6 33. Rgxe7 Qxd4+ 34. Kh2 Qxd2 35. Rh7+ Kg8 36. Qxg6# 1-0

Nov-08-23  Saniyat24: Royal forking a Frenchman...!

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