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Christian Bauer vs Jesus Maria Iruzubieta Villaluenga
Bergara Open (2010), Bergara ESP
Italian Game: Classical Variation. Giuoco Pianissimo (C53)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Oct-22-17  Cheapo by the Dozen: First Sunday puzzle I've gotten in a long time.

The first move is obvious; it has to be played immediately before the Black f pawn can be advanced. The second move is obviously forcing. Then it's just a question of noting that Qf5 defends the knight long enough in ... Kh8 lines, and that the mating net actually holds in lines like the actual game.

Oct-22-17  diagonalley: very pretty... but hardly 'insane'
Oct-22-17  mel gibson: The computer agrees with only the first few moves and black puts up a better fight. So it's not a checkmate as in this game.

17. Nf6+ (17. Nf6+ (♘g4-f6+ g7xf6 ♘g3-h5
♘c6-d4 c3xd4 ♕d7-b5 ♘h5xf6+ ♔g8-g7 ♗c1-h6+ ♔g7-h8 ♕f3-f5 ♕b5-e2+ ♔e1xe2 ♘e6xd4+ ♔e2-f1 ♘d4xf5 ♗h6xf8 ♖a8xf8 e4xf5 ♖f8-d8 ♔f1-e2 ♔h8-g7 ♘f6-h5+ ♔g7-h6 g2-g4 ♗a7-d4 ♖a1-b1 c7-c6 ♘h5-f6 ♔h6-g7 ♘f6-e4) +5.77/19 224)

score for white +5.77 depth 19

Oct-22-17
Premium Chessgames Member
  patzer2: <Cheapo by the Dozen: First Sunday puzzle I've gotten in a long time.> More often than not, I fail to solve the Sunday puzzle. I was able to solve this one (17. ?), but it was not easy. I had to eliminate a lot of tempting alternatives to come up with the solution, and play the first few moves hoping I was on the right track.

Finding 17. Nf6+! gxf6 18. Nh5 Qe7 19. Nxf6+ Kg7 was the initial solution I settled upon. However, I was flying by the seat of my pants and was fortunate to see 20. Bh6+! was available to finish off the combination with a clever mate.

Initially I was puzzled about how to respond to 20...Kh8, but then I saw 20...Kh8 21. Qf5 +- wins easy.

Oct-22-17
Premium Chessgames Member
  patzer2: Black's decisive mistake was 16...Qd7?, inviting the decisive 17. Nf6+ +-. Instead, 16...f6 = to ⩲ (+0.29 @ 25 depth) keeps Black in the game according to our Stockfish engine analysis feature.
Oct-22-17  Walter Glattke: 18.-Qd8 19.Nf6+ Kh8 20.Qf5 Qxf6 White win
Oct-22-17  AlicesKnight: Saw the break-in. Nothing 'pianissimo' about this neat attack.
Oct-22-17  newzild: I found this to be very easy for a Sunday, but I varied on move 19.

Instead of 19. Nxf6+, I thought that it was stronger to play 19. Qf5 first.

Can anybody explain why this might be inferior?

If 19. Qf5 works then I am 7/7 for the week.

Oct-22-17  newzild: ...also, White's mate commencing 20. Bh6+! only works because Black played 18. Qe7 instead of 18. Qd8, which would have provided a flight square after 20. Bh6+ Kxh6 21. Qh5+ Kg7 22. Qxh7+ Kxf6.
Oct-22-17
Premium Chessgames Member
  patzer2: <newzild> Your 19. Qf5 with the threat of 20. Nxf6+ Kh8 21. Qxh7# obviously works, and if earlier 18...Qd8 then 18...Qd8 19. Qf5 +- is the clear winning continuation.

Congratulations on going 7 for 7 for the week.

Oct-22-17
Premium Chessgames Member
  morfishine: It helps I've seen this one, even if I don't remember where lol

*****

Oct-22-17
Premium Chessgames Member
  agb2002: The material is identical.

Black would probably consider f6.

White can start an attack against the black king with 17.Nf6+ gxf6 18.Nh5:

A) 18... Qe7 19.Nxf6+ Kg7 (19... Kh8 20.Qf5 wins decisive material) 20.Bh6+ Kxh6 (20... Kh8 21.Qf5 and mate soon) 21.Qh5+ Kg7 22.Qxh7+ Kxf6 23.Qh6#.

B) 18... Qd8 19.Bh6

B.1) 19... Re8 20.Nxf6+ Kh8 21.Qf5 Nf8 22.Bxf8 wins.

B.2) 19... f5 20.Qg3+ Kg8 21.Bg7+ Kg8 22.Bh6+ and mate next.

B.3) 19... Kh8 20.Rd1 (20.Nxf6 Ncd4 21.cxd4 Nxd4; 20.Qf5 Rg8 21.Nxf6 Rg6)

B.3.a) 20... Qe7 21.Nxf6 with the double threat Rd7 and Qf5 looks winning for White.

B.3.b) 20... Ncd4 21.cxd4 Nxd4 22.Rxd4 Bxd4 (22... Qxd4 23.Qxf6+ Kg8 24.Qg7#) 23.Bg7+ Kg8 24.Bxf6 wins.

Oct-22-17  Marmot PFL: Would have played 17 Bh6 although I don't see any win there. Looked at 17 Nf6+ too but missed the mate, didn't see more than perpetual check.
Oct-22-17  Marmot PFL: When Christian plays Jesus it has to be a Sunday puzzle.
Oct-22-17
Premium Chessgames Member
  AylerKupp: <<newzild> Instead of 19. Nxf6+, I thought that it was stronger to play 19. Qf5 first. Can anybody explain why this might be inferior?>

I'll let Houdini 4, Komodo 11.01, and Stockfish 8 try. From the following position after 19.Qf5:


click for larger view

These are the 3 engines top lines. You can decide whether you agree or not with the engine's evaluation of the final position in each line.

Houdini: [+4.90], d=22: 19...Nxb4 20.0-0 Nd3 21.Nxf6+ Qxf6 22.Qxf6 Rfd8 23.Be3 Bc5 24.b4 Bf8 25.Rfd1 Rd6 26.Rd2 Rad8 27.Qf5 Bg7 28.Rad1 Nb2 29.Rxd6 cxd6 30.Rd5 Nc4 31.h4 Ra8 32.Qg4 Kf8 33.Qe2 b5 34.g3 Nc7 35.Rd1 a5 36.bxa5


click for larger view

Other top moves: 19...Rfd8 [+7.36], 19...a5 [+7.43].

Komodo: [+7.71], d=30: 19...Rfd8 20.Nxf6+ Qxf6 21.Qxf6 Nf4 22.Bxf4 Rd6 23.Qf5 exf4 24.Rd1 Rad8 25.Rxd6 Rxd6 26.Qc8+ Kg7 27.Qxc7 Re6 28.0-0 Re7 29.Qxf4 Ne5 30.Rd1 Ng6 31.Qf5 Re6 32.Qd5 Rf6 33.Rd2 b5 34.g3 Bb6 35.Kg2 h6 36.Qh5 Re6 37.Qg4 Rf6 38.f4 Be3 39.Re2 Bb6


click for larger view

Other top moves: 19...a5 [+7.89], 19...Nxb4 [+8.27].

Stockfish: [+7.50], d=33: 19...Rfd8 20.Nxf6+ Qxf6 21.Qxf6 Ng7 22.Bh6 Ne8 23.Qg5+ Kh8 24.Qf5 Kg8 25.h4 Rd6 26.h5 Bxf2+ 27.Ke2 Rxh6 28.Qg5+ Ng7 29.Qxh6 Bg3 30.b5 Nd8 31.Qf6 Nge6 32.bxa6 bxa6 33.Rh3 Bf4 34.Rh4 h6 35.Rg4+ Kh7 36.Qf5+ Kh8 37.Rd1 Bg5 38.Qxe5+ Kh7 39.Rd7 Rb8 40.Qf5+ Kh8 41.b4 Rb5 42.Rxg5 hxg5 43.Qf6+ Kh7 44.Rxd8 Nxd8 45.Qxd8


click for larger view

Other top moves: 19...a5 [+8.09], 19...Nf4 [+8.13].

So, according to these 3 engines, it looks like 19.Qf5 also leads to a winning position for White. So, once again, congratulations on going 7/7 for the week!

I do think it's interesting to see how each engine tried different approaches for Black to defend.

Oct-22-17  BOSTER: <newzild>19.Qf5 When picking candidates moves start with check.So Nxf6+ is preferable. After 19.Qf5 black can play Ncd4 with threat Nxf5 and Nc2 winning the rook.So white'd play 20.Nxf6 Qxf6 21.Qxf6, and with only one queen in the black camp it is not easy to attack.
Oct-22-17  arieszodiac: where is the mate after Kxf6 (King takes Knights) ? Can somebody show me
Oct-22-17
Premium Chessgames Member
  Willber G: <arieszodiac: where is the mate after Kxf6 (King takes Knights) ? Can somebody show me>

22...Kxf6
23.Qh6#

Oct-22-17
Premium Chessgames Member
  patzer2: <BOSTER> White wins easily after 19. Qf5 Ncd4 20. cxd4 Nxd4 21. Nxf6+ Qxf6 22. Qxf6 +- as play might continue 22...Nc2+? 23. Kf1 Nxa1 24. Bh6 Nc2 25. Qg7#.
Oct-22-17  newzild: <AylerKupp>

Thanks for going to all that trouble for me.

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