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Abhimanyu Puranik vs Sanan Sjugirov
Aeroflot Open (2020), Moscow RUS, rd 5, Feb-23
Formation: King's Indian Attack (A07)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Feb-24-20
Premium Chessgames Member
  An Englishman: Good Evening: After 29.Kxf1,Bh3+; 30.Kg1,Nd4; 31.Qxc3,Ne2+; 32.Kh1,Bg2X. Or 31.Qd1,Ne2+; 32.Qxe2,fxe2. 21...Nc4 starts the attack, and if the silicon monsters verify, a brilliant one.
Feb-24-20  luzhin: 28.h4 (instead of 28.Qb3?) would have been good for a draw, alas, after Black missed the wonderful 25...Nd4! which would have been decisive. Fortunately he got a second chance.
Feb-24-22  Brenin: 28 ... Rxf1+ 29 Kxf1 Bh3+ 30 Kg1 Nd4 31 Qd1 (or Qa2) Ne2+ 32 Qxe2 (32 Kh1 Bg2 mate) fxe2 and 33 ... e1=Q mate.
Feb-24-22  Cheapo by the Dozen: Black can't really use the rook to finish the attack, as White's queen can keep harassing it.

But if the rook is sacrificed, the only other piece Black can realistically attack g1 with is the knight.

The puzzle is very easy after one takes the analysis that far.

Feb-24-22  Brenin: As <luzhin> pointed out, Black missed 25 ... Nd4, and also 25 ... Bxc3, both leading to a win, whereas 25 ... Rd3 26 Rxd1 Rxd1+ 27 Bf1 Bxc3 28 h4, creating an escape square h2, should have resulted in a draw after 28 ... Nd4 29 Nf6+ Kg7 (29 ... Kf8 or Kh8 30 c6) 30 Ne8+ Kg8 (30 ... Kh6 31 c6 Ne2+ 32 Kh2 Rxf1 33 Qf8+ Kh5 34 Qc5+ with advantage to White).
Feb-24-22  drollere: i had 28...Rxf1+, 29. Kxf1 Bh3+, 30. Kg1 Nd4, 31. Qd1 Ne2+, 32. Qxe2 fxe2, 33. Nd6 e1=Q#
Feb-24-22  mel gibson: An easy one today.

Stockfish 14 says mate in 7:

28... Rxf1+

(28. .. Rxf1+ (♖d1xf1+ ♔g1xf1 ♗e6-h3+
♔f1-g1 ♘c6-d4 ♕b3-d1 ♘d4-e2+ ♕d1xe2 f3xe2 ♘e8-f6+ ♔g8-h8 ♘f6-d5 e2-e1♕+) +M7/164 55)

Feb-24-22  agb2002: Black has a rook and a bishop for the queen and a pawn.

White threatens Qxd1 and Qxc3.

Black can attack the white king with the pieces: 28... Rxf1+ 29.Kxf1 Bh3+ 30.Kg1 Nd4:

A) 31.Qxc3 Ne2+ 32.Kh1 Bg2#.

B) 31.Qd1 Ne2+ 32.Qxe2 fxe2 and mate in two.

C) 31.Nf6+ Kh8 only delays the defeat.

Feb-24-22  Caissas Clown: Ahh , yes , 25..Nd4 ! I chose 28..Nd4 ?? , which is great if White plays Qxc3 , but I overlooked Qxd1. It's been a tiring day !
Feb-24-22  parch: Black has 28...Rc1 or 28...R:f1+ which I prefer. 29.K:f1 Bh3+ 30.Kg1 Nd4 31.Nf6+ Kh8 32.Qd1 Ne2 33.Q:e2

(33.Kh1 Bg2# )

33...fe2 and mate follows.

28...Rc1 29.h4 Bh3 30.Q:c3 R:c3 (30...R:f1+ 31.Kh2 Kf8 32.Qh8+ Ke7 )

Feb-24-22  Refused: Cute little finish.

28...Rxf1+ 29.Kxf1 Bh3+ 30.Kg1 Nd4

And white has no adequate defense against 31...Ne2+

Feb-24-22  DrWeevil: I was looking first at Bh3, attacking the pinned bishop & blocking the h pawn from creating an escape square..

Until I noticed, of course, that the rook is en prise!

So what happens if we change the move order? And then found the forced mate mentioned by others.

Feb-24-22
Premium Chessgames Member
  chrisowen: Grieves v it o auld Rf1 fluff arrive o back hobble boffin i tiff grieves v it o auld flank it whack o it v i forked it v i hms it veg beg banquet pox i cripple july cult v it a wok purred it i v hms cult it v an i buy gang q fox it v i pass v it dub it off affable flaps it v o idioms iota aah hark dub abattoir auld etc v it v i ji da nt fo ooh i had dutch cc v it v i dr has ph bug i eel a can fang fog fo ooh fount back eg ho blush gack ooh ol v it hi ru it v i ho tray la c ill rob c id eg fu sh jg c nad v it ties nack dakar peg fu and cubby hem fig bait v it hi bb cd it fame it van diy uh i v it fang crap c rub dane it fig a ken can den sac u dig it v frog he o v it hob kit rat fakes it bah v it fork ebb cervix ie of ooh lud nt okay doke it huffle it v i ham bin ay u yum nab i ha nam bay it hu i binary it v hum up a kain nana jugs sir vito gi us it vin as ja ro v nn rig a nan jus it i v ro it vis u prank it hi uba many yup rank it v human ai basin jan sung i o v it buy kip hanuman air bona moby capital v it v i lucid dream it avid yalp it er of cc hake v it v u fast v it er not sin ep Rxf1+ felt;
Feb-24-22  Chris Bennington: I believe 28. . . Nd4 works just as well, but not as quickly.
Feb-24-22  King.Arthur.Brazil: Directly 28...♖xf1 29. ♔xf1 ♗h3+ 30. ♔g1 ♘d5 31. ♕xc3 ♘e2+ 32. ♔h1 ♗g2# or 31. ♕a2 ♘e2+ 32.♕xe2 fxe2 and check mate soon.
Feb-24-22
Premium Chessgames Member
  chrisowen: Key ron an no a no moon by Rf1 la no?
Feb-24-22  AlicesKnight: I saw the ... Nd4 thing, the LSB check possibility and RxB+, and finally put them in the right order - as Brenin, K.A.B and l'Anglais etc. have said. But I'm not sure I want to be seeing a Russian win today ....
Feb-24-22  raymondhow: < I believe 28. . . Nd4 works just as well, but not as quickly. > No, loses at once to 29.Qxd1.
Feb-24-22  nikonoel: Feels like a Tuesday!
Feb-24-22
Premium Chessgames Member
  chrisowen: To celebrate no x
Feb-24-22
Premium Chessgames Member
  maytintan: 27........Bxc4 is answered by 28.Qa1, which looks like a draw

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