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Maxime Vachier-Lagrave vs Stanislav Novikov
Bundesliga -8 (2007)  ·  Sicilian Defense: Paulsen. Bastrikov Variation (B47)  ·  1-0
To move:
Last move:

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sac: 25.Bxh7+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Feb-17-17
Premium Chessgames Member
  al wazir: That wasn't difficult at all.
Feb-17-17  AlicesKnight: <al wazir: That wasn't difficult at all.> Certainly less difficult than some for poor mortals like me ....
Feb-17-17  leRevenant: here here
Feb-17-17
Premium Chessgames Member
  ChessHigherCat: More of a free day than a Friday puzzle. Is it too late to give a real one?
Feb-17-17  saturn2: White can sacrifice the bishop. The black king is nude then.

The remaining queen, pawn on g5 and rook who will play RxRf1+ are enough to justify this.

Feb-17-17  morfishine: Bingo, Bango, Bongo

*****

Feb-17-17  gofer: <25 Bxh7+ ...>

The bishop is immune due to mating threats and the king cannot move to a square where Qxd4 is check, so that just leaves...

<25 ... Kf8>
<26 Qxf1+ Ke7>
<27 Qf4 ...>

27 ... Bxb2
28 Qb4+

27 ... e5
28 Qf6+

27 ... Bg7
28 Rf1

27 ... Nb5
28 a4

<27 ... Bc5>
<28 Rf1 ...>


click for larger view

The king must move to d7 and the only way to stop Pg5 is to sacrifice knight or bishop at which point the ugliest win for white is to exchange off Q+N/P for Q+R and move into a won endgame, but really black is doomed...

Feb-17-17  wooden nickel: <YouRang: I probably wouldn't have seen it OTB, but since this position is plopped in front of me and called a "puzzle", I'm inclined to look at the check: 25.Bxh7+> Couldn't be said better... figuring out how to retake the rook might have kept us too busy, which retake is the best?
Feb-17-17
Premium Chessgames Member
  patzer2: For today's solution, I figured 25. Qxf1 to is probably too easy for a Friday puzzle, so it must involve getting the White Queen to h5 for an attack on the exposed King.

At first I tried to make 25. Qh5? work, but my calculations kept giving Black too much counter play.

Finally I looked at the demolition 25. Bxh7+ kxh7 26. Qh5+ Kg8 27. Rxf1 and it became clear White's attack on the exposed King will be decisive.

After checking it on the computer, it turns out, 25. Qh5? is totally busted after 25...Rxa1 26. Qxh7+ Kf1 27. Bg6 Bg7 (-11.01 @ 20 depth, Deep Fritz 15)

The "obvious" 25. Qxf1 Ne8 26. Rd1 Qe7 27. Bxh7+ Kxh7 28. Qd3+ Kg8 29. Qxd4 to (+1.78 @ 25 depth, Deep Fritz 15) probably wins with greater difficulty, but as can be seen in the Fritz line it only delays the Bxh7+ sacrifice.

The immediate demolition with 25. Bxh7+! Kf8 (25...Kxh7 26. Qh5+ Kg8 27. Rxf1 Forces mate-in-7) 26. Qxf1 (+5.57 @ 20 depth, Deep Fritz 15) is strongest and best.

One observation about the game line is that trying to get cute with the in-between move 27. Qg6+ Kf8 28. Rxf1+ Ke7 29. Qh7+ Kd6 30. Rf8 Kc6 31. Qc2+ Kd6 32. g6 (+1.31 @ 20 depth, Deep Fritz 15) might be barely winning for White. However, it gives Black far too much counter play and over complicates a much simpler win with 27. Rxf1 forcing mate-in-seven.

P.S.: For a Black improvement, I'd start with the opening. Instead of 6...Bb4 7. Ndb5 (+0.52 @ 30 depth, Komodo 10.1), I'd pick the popular move 6...a6 = (0.14 @ 34 depth, Komodo 10.1) as in Ponomariov vs Ivanchuk, 2013.

Feb-17-17  The Kings Domain: With the talented Frenchman when the opportunity arises expect an impressive sacrifice. Good puzzle and a standout MVL game.
Feb-17-17
Premium Chessgames Member
  Carlos0012358: White's attack is obvious, so not difficult.

Key inflection points are
1) after 25. Bh7, should black take the white B or flee? 2) assuming 25.....Kxh7, then next is after 27. Rxf1, black chooses 27....Nb5. Several options here, as <agb2002> points out. Some better than Nb5, but none lead to a good outcome for black.

<agb2002> your analysis is always exhausting and excellent. Don't know how you find the time. Great job.

Feb-17-17  drollere: this seemed really easy ... for a friday. maybe a tuesday/wednesday.
Feb-17-17
Premium Chessgames Member
  chrisowen: Fcs lane h7s hanghunt fav ums viva h7s hanghunt bunk to it finds 25...Kf8 clangus flashhint 4 auld taurus bang gantry lunk h5s hungas u g8s ganghungs u f1s fab u b5s dang taurus bangus bunk to it finishy 27...Bf2 das fab mate 7 auld taurus bangus bunk to it evermore 28.Q8+ alunk its evermores vams fav ums viva lug bud g7s dabbus gangways mate 3 auld taurus bangus bunk to it hinthung 28...Kh7 dabbus hanghunt mate 4 auld taurus bangus bunk to it finishlug 29.Qf8+ apathyum flashhang mate 2 auld taurus bangus fav ums viva fcs lane fcs face blane i hog brash vams i got klaws wry mvp duds rsvp mds fav ums viva fcs lane h7s hanghunt ace fav ums viva elate las face lan ans ban bale nah nab brush fav ums vault las hang ghost gib gio i got tot tanker talk klaws wry fav ums viva yar may mr's mvp fav ums var pass dup ums vase rsvp mds too tired its i o hes fav ums viva dent pawn its i ova how dents fav ums viva wave ply depth ins vow widen hops tvs dive nth wops fav ums vis den piths vow hood node whips tvs endows hip phi h7s hanghunt have quad clunk bud fly it's i eveoff fav ums vat bunk to it fins 24...Rxf1 caf fav tums viva 3 auld taurus bangus what gantry avuncular auld taurus bangus bunk to it finsy 25.Bxh7+ hanghunt bang bag kabbalah kan gulch hack huck bunk to it hints 25...Kxh7 hanghunt bunk to it finsy 25...Kf8 clangus flashhunt 4 auld taurus bangus bunk to it hintus 26.Qh5+ jds u hungas bunk to it ginlug 26...Kg8 27.Rxf1 Nb5 dang bandus mate 5 auld taurus bangus bunk to it finishy 27...Bf2 das fab mate 7 auld taurus bangus bunk to it evermore 28.Q8+ klubs its evermores vams bunk to it ginlugs 28...Kg7 dabbus gangways mate 3 auld taurus bangus bunk to it hinthung 28...Kh7 dabbus hanghunt mate 4 auld taurus bangus bunk to it finishlug 29.Qf8+ apathyum flashhang mate 2 auld taurus bangus mans lava lunks nasal munks mulls numb gag gas vams aquas wads bam and back cad band frank call mr's tar vams runt buff fang bast and bat but tubby bantam bust brash vams hub blush hah huh plans cabs back hah huh blush cub buck hob club hark crab rub brush guv vams lava palm rums ums fever pad klang aqua jah hah bud had bap pams nay bag man dan fag gun lagmunk h7s hanghunt;
Feb-17-17  Willber G: <leRevenant: here here>

Where where?

Feb-17-17  1.e4effort: Easiest Friday I think I've ever seen.
Feb-17-17  morfishine: Wednesday-ish
Feb-17-17
Premium Chessgames Member
  Jimfromprovidence: < gofer>
<25 Bxh7+ Kf8 26 Qxf1+ Ke7 27 Qf4 ...>


click for larger view

Like 27 Qf4 a lot. If black's bishop takes the b pawn, white checks and wins the bishop.

If 27...Bc5, then 28 g6 or 28 Rf1.

If 27...Bg7 or 27...Bh8, then 28 Rf1, seeing 29 Qf7+ or 29 g6.

Feb-17-17
Premium Chessgames Member
  jith1207: I somehow liked 25.Bxh7 Kxh7 26.Qd3 attacking rook, bishop and king but Rf5 gets only a bishop while losing rook in many ways than one. So Qh5+ and everything falls in place.
Feb-17-17
Premium Chessgames Member
  jith1207: <Loose pieces drop off>

<CG> I like the way you have put out a quote while we wait for the website to bring the comments section again. Thanks.

Feb-17-17
Premium Chessgames Member
  jith1207: <whooops> this time I got an advertisement on premium membership. Good to know some creative minds are at it.
Feb-17-17
Premium Chessgames Member
  jith1207: <When you see a good move, look for a better one> I like this game. A Lot.
Feb-17-17
Premium Chessgames Member
  jith1207: <Patzer sees check; Patzer gives check>

Patzer sees a trick; Patzer falls into a trick.

Feb-17-17
Premium Chessgames Member
  whiteshark: An unusual 1 4 Game Collection: 70a_middlegame SACS Bxh7+!! (or it may Knott)
Feb-17-17  mel gibson: An easy one - but the King can't take that Bishop or it's checkmate.
Feb-18-17
Premium Chessgames Member
  agb2002: <Carlos0012358: ...

<agb2002> your analysis is always exhausting and excellent. Don't know how you find the time. Great job.>

Thank you! I try to solve the puzzle at breakfast time, perhaps too quickly and not completely awake. If I need more time I come back to the puzzle once or several times along the day. However, this usually generates absurd mistakes, oversights and the likes but I prefer a poor 'solution' than none at all.

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