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Lars Bo Hansen vs Michael Adams
Hoogovens Open (1995), Wijk aan Zee NED, rd 7, Jan-23
English Opening: King's English. Four Knights Variation Fianchetto Lines (A29)  ·  0-1



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Kibitzer's Corner
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Nov-08-12  rilkefan: I had 33...Re2+. If white interposes, then f4 falls with check; if Kh3, then ...h5 wins.
Nov-08-12  LoveThatJoker: Freaking love GM Adams!

<31...Rxh4! 32. gxh4 Bb8+ 33. f4>

[33. Nf4 Bxf4+ 34. Kg1/Kg2 (34. Kh1 Qh3+ 35. Kg1 Qh2#) 34...Qg4+ 35. Kh1 Qh3+ 36. Kg1 Qh2#; 33. Kg1/Kg2 Qg4+ 34. Kh1 Qxh3+ 35. Kg1 Qh2#; 33. Kh1 Qxh3+ 34. Kg1 Qh2#]

<33...Re3!> 0-1

For example,

A) 34. Ng5 Bxf4+ 35. 35. Kg1/Kg2 (35. Rxf4 Qxf4+ 36. any Re2 mating; 35. Kh1 hxg5 ) 35...Qg4+ 36. Kh1 (36. Kf2 Qg3#) 36...Rh3+ (36...Re2 also is mating) 37. Nxh3 Qxh3+ 38. Kg1 Qh2#

B) 34. Nf2 Qxf4+ 35. any Qh2#

C) 34. Ng1 Bxf4+ 35. Kh1 [35. Kg2 Qg4+ 35. Kh1 (35. Kf2 Qg3#) 35...Kh1 36. Qxh4+ Kg2 (36. Nh3 Qxh3+ 37. Kg2 Qh2#) 36...Qh2#; 35. Rxf4 Qxf4+ 36. any Rg3 mating] 35...Rh3+! 36. Kg2 (36. Nxh3 Qxh3+ 37. Kg1 Qh2#) 36...Qg4+ 37. Kf2 Rh2+ 38. Ke1 Qg3+ 39. Rf2 (39. Kd1 Qd3+ 40. Ke1 Bd2+ 41. Kd1 Bxc3#) 39...Qxf2+ 40. Kd1 Qxg1+ 41. Be1 Rd2#!

D) 34. Kg1/Kg2 Qg4+ mating

E) 34. Kh1 Qxh3+ 35. Kg1 Qg3+ 36. Kh1 Re2 mating

F) 34. Qd1 Qxh3+ 35. Kg1 Rg3+ 36. Kf2 Rg2+ 37. Ke1 Qe3+ 38. Qe2 Qxe2#

G) 34. Qc2 Qxh3+ 35. Kg1 Rg3+ 36. Kf2 Qg2+! 37. Ke1 Re3+ 38. Kd1 Qxf1+ 39. Kd2 Qe2#

G) 34. Rf3 Rxf3


Premium Chessgames Member
  al wazir: I saw 31...Rxh4 immediately and said, "This is easy," so I didn't spend much time on the continuation. My line was 32. gxh4 Bb8+ 33. f4, and now I wanted to play 33...Re2+. I think that also wins: 34. Rf2 Bxf4+ 35. Nxf4 Qxf4+, etc. But white does have alternatives, e.g., 35. Kg2.
Nov-08-12  butilikefur: <31...Rxh4 32. gxh4 Bb8+ 33. f4 Re2+ 34. Rf2 Bxf4+ 35. Kg2> 35. Kg1 Be3 is worse

<35...Be3 36. Rxe2> 36. Rf1 Qg4+ 37. Kh2 Bf4+ 38. Nxf4 Qxf4+ loses (e.g. 39. Kg2 Qg4+ 40. Kh2 Re3; 39. Kh3 Re3+ 40. Kg2 Qg3+ [not 40...Rg3+] 41. Kh1 Qh3+ mates)

<36...Qg4+ 37. Kf1> 37. Kh1 Qxh3+ (not 37...Qxe2 and White wins with 40. Qd1) 38. Rh2 Qf3+ 39. Rg2 Bxc1 (with threat of 40...Qf1+ 41. Kh2 Bf4+) 40. Qc2 Qh3+ 41. Kg1 Be3+ 42. Kf1 Qh1+ 43. Ke2 Qxg2+ 44. Kd1 and 44...Qxc2+ 45. Kxc2 Nxc4 wins easily

<37...Qxh3+ 38. Rg2 Qh1+ 39. Ke2 Qxg2+ 40. Kd1> 40. Kxe3 Nxc4+ 41. Qxc4 (41. Kd3 Qe4+ mate; 41. Kf4 Qf2+ 42. Kg4 Ne3+ mates) 41...dxc4 gives Black a won endgame; 40. Kd3 Qe4+ 41. Ke2 Bxc1+ and Black is a piece up

<40...Qf1+> 41. Be1 Qd3+ mates; 41. Kc2 Qxc1+

Nov-08-12  morfishine: Black to move, material even. With the White Queen unable to assist in the defense, Black can sacrifice material to break into the White King position:

<31...Rxh4> Opens a line for his DSB; White's response is forced due to the pin on the Knight

<32.gxh4> (32.Kg2 Qxh3+ 33.Kf3 Rf4 mate)

<32...Bb8+> Again, forcing White's response

<33.f4> (Forced since 33.Kg2 Qg4+ 34.Kh1 Qxh3+ 35.Kg1 Qh2 mate; White hopes to set up a defense centered on <f2>)

<33...Re2+> Overwhelming White's defense or specifically, overloading the White Knight. There are 5 responses: 2 blocks and 3 King moves

(1) <34.Rf2 Bxf4+ 35.Nxf4 Qxf4+ 36.Kh3 Qxf2>

(2) <34.Nf2 Qxf4+> followed by mate at either <h2> or <g3>

(3) <34.Kg1 Qg4+> followed by mate at <g2>

(4) <34.Kh1 Qxh3+> followedy by mate at <h2>

(5) <34.Kg3> The most interesting try

(5a) <34...Qg6+ 35.Kf3 Qe4+ 36.Kg4 Rg2+ 37.Kh5 Qg6 mate>

click for larger view

(5b) If <35.Ng5> then <35...hxg5 36.Rf2 gxf4+ 37.Kh2 Rxf2+ 38.Kh1 Qg2 mate>


NOTE: I spent so much time on <34.Kg3> that I began to suspect I varied from the GM's line; sure enough, Adams played the more precise <33...Re3>

Nov-08-12  Abdel Irada: <<•>A wind in the door<•>>

The white king is rather lonely, with only a knight and a few foot-soldiers to garrison the royal palace, but he confides in the strength of his fortifications.

As we will soon see, however, that strength is illusory. The first chink in them appears with the key move:

<<•>31. ...Rxh4!>,

after which the sappers set to work in earnest.

Of course, the text creates a threat that cannot be ignored. On any neutral move (e.g. 32. Bxa5?), Black will follow up with 32. ...Qxh3 with imminent mate. Nor does flight save the king: 32. Kg2?, Qxh3†; 33. Kf3, Rf4†!; 34. Kxf4, g5†; 35. Kf3, g4†; 36. Kf4, Re4†; 37. Kf5, Qh5†; 38. Kf6, Re6#.

<<•>32. gxh4, Bb8†>

The open diagonal invites the distant and easily forgotten clergy to play a decisive role.

<<•>33. f4...>

White has no choice. Interposing the knight is of course worse than futile, while on 33. Kg2/Kg1 (33. Kh1, Qxh3†; 34. Kg1, Qh2#), Qg4†; 34. Kh1, Qxh3†; 35. Kg1, Qh2#.

<<•>33. ...Re3! >

With this quiet move, the palace falls and the hurricane attack sweeps through. Black threatens to take the pinned knight with check, and the rook on the sixth hems in the king, so that no escape is possible. Since the knight cannot be defended, nor the king sprung from the snare, Black will soon commit regicide with impunity.

Nov-08-12  Razgriz: Didn't see Bb8.
Nov-08-12  Abdel Irada: Should this ever become Game of the Day: "Hansen is as Hansen does."
Premium Chessgames Member
  agb2002: The material is identical.

Black can incorporate the bishop to attack the white king from b8. This suggests 31... Rxh4 32.gxh4 Bb8+ 33.f4 (33.Kg1(2) Qg4+ 34.Kh1 Qxh3+ 35.Kg1 Qh2#; 33.Nf4 Bxf4+ and mate soon again) 33... Re2+:

A) 34.Rf2 Bxf4+

A.1) 35.Nxf4 Qxf4+ 36.Kh3 (36.Kg1 Qxf2+ Kh1 Qh2#; 36.Kh1 Qxh4+ and mate soon) 36... Rxf2 and mate next.

A.2) 35.Kg2 Rxf2+ 36.Nxf2 Bxc1 - + [2P].

A.3) 35.Kg1 Rxf2 as in A.2.

B) 34.Nf2 Qxf4+ 35.Kg2 Qf3+ 36.Kh1 Qh2#.

C) 34.Kg1 Qg4+ 35.Kh1 Qg2#.

D) 34.Kg3 h5

D.1) 35.Nf2 Qxf2+ as in B.

D.2) 35.Rf2 Qg4+ 36.Kh2 Bxf4+ wins.

Premium Chessgames Member
  agb2002: According to Stockfish 33... Re3 is mate in ten, while my lines A.2 and A.3 evaluate at only -3 more or less, enough to win but much slower.
Nov-08-12  Bengambit: I like 31.....Rxh4!? (the forced move and the rook sac) 32.gxh4 Bc8+ 33.Kg2 Qg4+ 34.Kh1 Qxh3+ 35.Kg1 Qh2++ in every game all it takes is finding the right "Tactic" at the right time that can decide a solid win. I first learned chess by tactics and I have a good eye for them,but it's the lines I got to get to know.
Nov-08-12  Conrad93: This wasn't hard to see. This is simpler than some of the other three star puzzles.
Nov-08-12  James D Flynn: 31……Bb8(threat Rxh4 followed by QxN and mate on h2) 32.f4(if Kg2 Rxh4 33.gxh4 Qg4+ 34.Kh1 Qxh3+ 35.Kg1 Qh2#) Re2+ 33.Nf2 Bxf4 34.Rc2(if gxf4 Qxf4+ 35.Kg2 Qg4+ 36.Kh1 Qxh4+ 37.Kg2 Qg5+ 38.Kh2 R8e4 and there is no answer to Rh4) Qg4 35.Rxe2 Rxe2 36.gxf4 Qxh4+ 37.Kg2 Qg4+ 38 Kh1 Qf3+ 39.Kg1 Qxc3 (Black has regained his piece and is 3 pawns up, the White N cannot move without allowing mate and will be lost) 40.c4xd5 Qg3+ 41.Kh1 Rxf2 42.Rxf2 Qxf2 43.dxc6 Qf3+ 44.Kg1 Qxc6 and Black has a decisive material advantage in the endgame.
Premium Chessgames Member
  kevin86: The rook sac puts the bishop into play...with lethal effect.
Premium Chessgames Member
  chrisowen: Alive rook for wall it is " I did cc the whirled " engine

informs it cumber in some still ask a 31...c2 Nxc4 32.rce1 makes a

beeline bin champ rooke4 in smother top h4 look having in 8b all it

now in choke peeve dressed to the nines in bag it is between my

hunch for o 31...Rxh4 ack registrate gum up the works it learn in

level good games to behold in wrecking ball finbar knight in f4 him

one mistake, can prove queena4 line seeking plus in fare cat him

bless it a4 quad grip again classics 29.qh5 or b4 it hook in a4

seems contrite in just around the corner f5 in tease g2 ment

holding, h3 banking school head for g2!

Premium Chessgames Member
  chrisowen: Ear index knighth3 angles engage d5 awkward in bishopc3 too little

too late leep i centred got h4 32.gxh4 bb8+ it bringing up rare

guard it im pumped for con 33.f4 i dence mind to re2 us in f4+ and

take in clink calm rook in f2 i then Bxf4+ king he bend its dazed

35.Kg2 white at sea boat has sailed since 1 rook is servant it h3 in

emergency it ground in got qg4 malady it doofus in miss it er riff i

see in e3 it ticket in merry go round hanger it a knightg1 wain bid

came 34...Bxf4+ crush eight absolute, mate for mercy combo in eg

rook twelve mate in changing mona mind to re3!

Nov-08-12  Alex56171: I have not seen 33. ... Re3, the key move to remove the white knight from h3
Premium Chessgames Member
  benveniste: For sale: one can opener. Yours for the low, low price of a rook for a pawn.
Nov-08-12  tivrfoa: Probably white could play for a draw if he played 24. Nd5.
Nov-08-12  tivrfoa: The queen looks so ugly at the border. White pieces were pretty useless.
Nov-08-12  Patriot: 31...Rxh4 looks good.

32.gxh4 -- I'd like to play 32...Bb8+ but 33.f4 puts up a little resistance so I think 32...Qf3 is correct.

32...Qf3 and now there are a few defenses:

1) 33.Ng1 Bb8#

2) 33.Rg1 Bb8+ 34.Rg3 Re4 looks strong

3) 33.Bd2 Bb8+ 34.Bf4 Bxf4+ 35.Nxf4 Qxf4+ and a later rook life to e6 or e4 should be decisive.

Nov-08-12  Patriot: I meant *rook lift* on number 3.

So black played the immediate 32...Bb8+, which I thought helped white defend with f4. Oh well, I'm not too worried about that. It would be a bit risky though to play my lines since black has vested a lot of material, without doing more calculation.

Nov-08-12  GrizzledWizard: I thought Hansen vs Adams Wednesday's puzzle. If so, where is Thursday's?
Premium Chessgames Member
  Phony Benoni: <GrizzledWizard> Hansen vs Adams is the Thursday puzzle. Here's the Wednesday:

Granda-Zuniga vs R Rodriguez Lopez, 1995

click for larger view


Nov-08-12  GrizzledWizard: Hey Phony Benoni! Thanx for solving MY little puzzle! Heh, heh.
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