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Viswanathan Anand vs Jan Timman
Corus (2004), Wijk aan Zee NED, rd 11, Jan-23
Sicilian Defense: Richter-Rauzer. Neo-Modern Variation (B67)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Given 21 times; par: 39 [what's this?]

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+ sac: 25.Rxh7 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Sep-26-06  Open Defence: <Wannabe> Actually i didnt.. geez so I need to sign up a few 100 times and create a game collection each time for this to be added???
Jun-18-07  srinivas6195: easy game for vishy anand
Jan-17-09  WhiteRook48: great game by Anand.
Aug-09-14
Premium Chessgames Member
  patzer2: If 27... Qd8, then it's mate-in-two with 28. Qh6+ Kg8 29. Ne7#.
Aug-09-14
Premium Chessgames Member
  morfishine: Again, Timman is on the short end of a brilliancy

I found <25.Rxh7> fairly quickly noticing that after 25...Kxh7 White has <26.Qh2+> forcing 26...Kxg7

After that, I had a difficult time deciding on the direct attack with 27.Rxg6+ or 27.Nxg6 with a dangerous exposed check

I was able to follow the game continuation but thought after 29.Nxc8 Black could fight on awhile after 29...Bxd4

Sometimes, I have to be satisfied with the progress I did make

*****

Aug-09-14  harshvk5: Doesn't 29. ... Bxd4 result in 30. Qxd6+, recapturing either the bishop on d4 or the knight on d7? IMO there's no adequate reply to the check on d6.
Aug-09-14
Premium Chessgames Member
  al wazir: I think 25. Qh2, 25. Rxg6, and 25. Nxg6 also win. I couldn't choose a favorite from among all those alternatives.
Aug-09-14
Premium Chessgames Member
  Once: <al wazir: I think 25. Qh2, 25. Rxg6, and 25. Nxg6 also win. I couldn't choose a favorite from among all those alternatives.>

Yup, I was in a similar position, although I narrowed the choice down to 25. Rxh7 and 25. Nxg6. Both seemed to give white a comfortable advantage although not a forced mate.

In the end, I opted for 25. Nxg6 in human mode.

Fritzie rates this is "Ja, Ja, das is nicht bad. Fur ein human..."

After five minutes of beard stroking and pipe twiddling on my (admittedly slow) laptop, this is what he says:

25. Rxh7 (+5.67)
25. Nxg6 (+2.84)
25. Rxg6 (+1.29)

Others are broadly level or black is better. So I guess my pick of 25. Nxg6 is a silver medal.

Aug-09-14
Premium Chessgames Member
  Cheapo by the Dozen: I imagine the start is 26 Nxg6 -- note that the knight is poisoned -- which could continue 26 ... Rxg7 27 Bh6. Indeed, that's what I'd play in a speed game, because if it goes badly White will still probably only have given up 2 pieces for a rook, hopefully a pawn or 2, and an attack.

But I'm not going to try to calculate the whole thing out at this point in the morning.

Aug-09-14
Premium Chessgames Member
  perfidious: <fgh: Wow, solved in 1.2 seconds.>

Rough go of it, compared to posters who doubtless nailed it in mere nanoseconds, as always. (wink)

Aug-09-14
Premium Chessgames Member
  Once: <perfidious> Yes, but that was back in 2004 when just about every puzzle was solved in nanoseconds. And the main aim apparently was to finish faster than the previous kibitzer.
Aug-09-14
Premium Chessgames Member
  Cheapo by the Dozen: Whoops. I overlooked ... Rxg6
Aug-09-14  Rookiepawn: I think this one is not very difficult, I solved it quickly (not in nanoseconds, but maybe nanominutes), the weakness in g6 is easy to spot and from there not many variants arise...

I failed miserably in easy and medium ones. I guess it depends on many factors, including if your brain is having a good day or not.

Aug-09-14
Premium Chessgames Member
  agb2002: This position is a serious candidate for overworked puzzle: it is #125 in Kalinin's "Great Chess Combinations. Vishy Anand" and diagram #10 of chapter 2 in McDonald's "Starting Out. 1 e4!" (the whole game is commented) just to mention two examples I can remember right now.
Aug-09-14  Steven87: I got the basic ideas. Got lazy and stopped short of working out an exact line involving both Rxh7 and Nxg6.

Maybe if I'd had my coffee first

Aug-09-14
Premium Chessgames Member
  David2009: Hi Morf. <I was able to follow the game continuation but thought after 29.Nxc8 Black could fight on awhile after 29...Bxd4>


click for larger view

30.Qxd6+ seems to wrap it up.

In the puzzle position


click for larger view

I also went with <Once's> 25.Nxg6 - winning a Pawn safely and exposing the King a bit more - not the best but good enough. If 25...Rxg7 26.Rxh7 seeing 26...Rxh7 27.Ne7+ or 26...Kxh7 27.Qh2+ Kxg6 28.Qh5# Finally if 26...Kh7+ 27.Qh2+ Kg8 28.Ne7+ picks up the Queen for some wood.

I would be delighted if <Once> could post Black's best defence according to Herr Fritz.

Aug-09-14
Premium Chessgames Member
  kevin86: I saw the rook sac to get it started, but fuzzy after that: Typical Saturday!
Aug-09-14  King.Arthur.Brazil: After some minutes, 25.Rxh7 and ticks. Sometimes the position call it self for attacking sacrifice, I didn't doubt to do it. I refused black capture the R, by simply 25... Kxh7 met 26.Rxg6 followed by Qh2+... Qh8#. So, if 26...Sxg7 27.Qh2+ Kg8 28.Nh5 seemed to get winning chances. 26... Rxg7 27.Qh2+ Kg8 28.Rxf6 followed as soon as possible by same 29.Nh5... Actually Anand reply wins directly. But, at board I would analyse more. But Rxh7 I would play firstly and would think there after...
Aug-09-14
Premium Chessgames Member
  Once: <David2009> My version of Fritz on a relatively slow machine struggles a bit with this position. Others packing more silicon oomph may have more luck.

Fritzie reckons that black's best after 25. Nxg6 is the surprising 25...Rxe3. 26. Rxg7 Re1!


click for larger view

27. Rxe1 Kxh7 28. Rh1+ Kg8 29. Rg1


click for larger view

Black is a piece up, but he has nowhere safe to park his king or queen. Amongst other things, white threatens to sacrifice another piece with 30. Nf5+ exf5 31. Ne5+ Kf8 32. Qxd6+. In fact, from this position Fritz wants to give up his queen with 29...Nb5 allowing 30. Ne7+. The eval is now over +5.

Returning to 25. Nxg6 Rxg7, the evals take a nose dive with 26. Ne7+ Bxe7 27. Rxg7+ Rxg7 28. Nf5+!


click for larger view

A second piece sac! According to Fritzie, 28...Kf8 is the only move to avoid mate. For example, 28...exf5 29. Qg2+ Kf8 30. Rxh7 Ne6 31. Qg6


click for larger view

Black can't defend against Rh8# and Qf7#.

Going back to the position after 28. Nf5+ Kf8 white has an overwhelming attack starting with 29. Nxe7. The remaining white pieces are going to flood into the space around the black king. The evals are now north of +12.

After all this sliding backwards and forwards, Fritzie now thinks that 25. Nxg6 is actually stronger than the game continuation of 25. Rxh7.

Aug-09-14
Premium Chessgames Member
  Once: Addendum ... after 1˝ hours of infinite analysis, 25. Rxh7 is back in the lead. It has an eval of +6.12 compared to 25. Nxg6 which is scoring +4.85.
Aug-09-14  MarkFinan: Maybe I should look a little harder at these Wednesday onwards puzzles because as usual I just glanced and looked at Qh2? completely missing that black can take the pawn with the rook. But *if* black was stupid enough to take with the Bishop I think this is a better puzzle to solve... There's a forced mate in 9.


click for larger view

Btw my engine gives the eval at 0.00 at a depth of 30 plies if Qh2 had been played.

Aug-09-14
Premium Chessgames Member
  chrisowen: I cheek saw in h7 want up right rook in wheel hoofed;

over a guffaw h7 up a nit picker in patch f6 bad waste in sat wine for won I be proof f6 judge flash in the pan chicken coop run down rain on h7 is parade i rant over him blight bullrush the show mellow yellow free victor snooze h7 up ply in light hone cedes at ground in fly dipoff free deed is done a f6 luft in cop cinch-wire bus in right cuffed chain clink over gears effect motion in a do queen afraid to be 22...Bf6 accolade and plaudits good to light wins a fetch accost in fluff f6 should harvest cockles and muscles ring out the changes i would h6 play really tick tock to clomp h6 crock hickory dickory dock aim in think good a better glide h6 scotch e7 win over hope keep tight h7 finger fluffs at flight forces light to make a decision again right lack rook could swap in e3 and keep two bishops rinse out a fanfare free cascadence flop of parfey the puff up in c3 across try gain bishop cream off snuff the ghost comes to haunt him later when queen a need to do the belly up again right off a stiff f6 ghoul enough to fly in h6 or e3 borough to flop chubb in g8 ok chin elevate bishop stay put a kind dilemma in family play for finger of fudge f6 fada dada dee like a daffodil candy f6 cane ar rook in e3 flip around the scales of time at hangs high hook hocus pocus over ignoble mission reign a dutiful pull in fad black i bemoaning lack of room for king wallled a g8 beck and call creeping through the good shadows queen off-side it now in aka safe alive g6 knight narrows ie good cain arc d4 and f4 comes to play a part ok winning c8 queen and eventually blacks far expunged right rook nabs bishop e3 ko in us agreed slinks la bind concrete five move combo shots around h7 first a h2 plus i g6 net ring a nest in e7 oh sore point us c8 bone being of contents at dug up ply cred free clinch again et tu brute g6 comes to be under-mined aether bind a oomph page steps f6 bad call sense h6 occular eye icicle at dawn it's often the blow in e3 account to court honour having huffler rook headlong hanged h7 out to dry erm do save such effect rich efface off much effort on his behalf cobble nip and tuck croak h6 us gleanevermore a,

culpa rub block dank and dusty h7 ash ramble gives had arm hood cherubim bishop e7 in bet a curious

thought really aim find in cop gone stipulate again training act bold heads up aint said hood affables hop on over polish again local f6 zone grab a slice of e3 as the hotch potch an honour afraid too queen simply retakes sac to order away in ask query h6 or e3 preferred it you in rope shock horror dent a line clock the smooth rook coco lotion holds at bay fast blubb local in each effect a nice clever referral i reckon,

reestablish over and hey in beyond doubt re-organise reach h7 ears to the ground react safe cede a feel caught in between the headlights fetch h6 or deem in e3 a tour second prod segment equater back segue gleans and gees up e3 ok a while again undone chubb hoofed cattle prod you see h7 first giving goodness a favour framing to beats 25.Rxh7 Kxh7 26.Qh2+ do hug a jod hopper spaced strike at the heart in ar good jangle at bends to his will changing good health chin up h7 just follow to hood wind a herd top hoof g8 huffle shuffled big hope cub rear good step beyond upsets

26...Kxg7 27.Nxg6 Rxe3 28.Ne7+ as am often eg

liege nt exactly ramble give at safe the
blink back to the hilt black eg ghosting along to

the bank door eg i ment eg to baulk now ledge in chargers 28...Kf8 29.Nxc8 wins at band junior one track mind a fane f6 offer little resistance light wins a vow temple e7 having a ship he in padre f6 a need arc since h6 batter up based cable free rook cob better see end in sight dint rook dash on essay to her mitigates hive a black mindjingle saved a link on shin man tow e7 quip a c8 expunge chickens right run delivery of the package c8 reignitions have ignobled ja ship shape steal a march e7 winched c8 re vice on bus crass cross mack rook hack to be data call i centre preen a lace up boot record a win ram a ran around e7 a light up c8 2 points ahead knight retreat e8 or capture c8 bishop queen wins at e3 rook offside and loose at in fork arm f4 g6 and e7 h6 angle proof at c8 at light wins.

Aug-09-14  M.Hassan: "Very Difficult"
White to play 25.?
White has a Knight for a Bishop

25.Rxh7 Kxh7
26.Nxg6
<if...Kxg7 27.Ne7+ and Black Queen is lost
26.........Bxg7
27.Qh2+ Kg8
I could not proceed beyond this point, and I was doubtful of my move of 25...Kxh7 and Chessmaster confirmed it as below:

25.Rxh7 <Bxg7>
26.Qh2 Nb5
27.Nxg6 Na3+
Looks like I had made right moves but in wrong order
28.Ka1 Nxc2+
29.Nxc2 Rxc2
30.Rxg7+ Rxg7
31.qh8+ Kf7
32.Ne5+! dxe5
33.Rxg7+ Kf6
34.Bg5#

Aug-09-14  dfcx: As a puzzle, I found 25.Rxh7, knowing there is some good move.

25.Rxh7 Kxh7? 26.Qh2+ Kxg7 27.Nxg6! Rxe3
28. Ne7+ Kf8 29. Nxc8 with material advantages and attacks.


click for larger view

25.Rxh7 Bxg7 26.Qh2 Rxe3 27.Rxg6 Kf8 28.Rgxg7 Rxg7 29.Ng6+


click for larger view

29...Rxg6?? 30.Qf4+ and mates
29...Ke8 30.Rh8+ Kf7 31.Qf4+ Kxg6 32.Rh6#

Oct-26-17
Premium Chessgames Member
  MrMcgoo: On move 24. I entered hxg and lost a point.
If I had added the superfluous 7 to make it hxg7 i would have gotten the full 3 points. This is not the first time Olga has made this mistake. Please fix it. Thanks
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