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Manuel Apicella vs Joel Lautier
Clichy FRA (2001), GM, rd 9, Jul-03
Indian Game: London System (A48)  ·  1/2-1/2



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Kibitzer's Corner
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Dec-14-14  morfishine: Lautier has no time to loiter

White is all set for 34.Be5+ followed by besieging the e-pawn holding the balance

<33...Qxg3+> deserves at least one '!' Black grabs the initiative, forces White King into the open and undercuts White's plan 34.Be5+

34.Kxg3 Bf4+ <35.Kh4> forced since 35.Kf3 Bd5+

Position after 35.Kh4

click for larger view

Its this position I had the most difficulty finding the best move for Black. At first I thought "35...g5+ is simply winning" but its in fact quite tricky and I was unable to find a solution. The main problem is White, if given the chance, can simply play Qxe3 returning material and restoring the balance

Better appears to be <35...Rd5> since it fixes the White Queen to e2 due to the threat 36...Rh5+ and meanwhile prepares 36...g5+

But maddeningly, I kept finding defenses for White and threw in the towel. No matter, Lautier didn't find it either, so thats some consolation :)


Dec-14-14  CHESSTTCAMPS: Material is even, but black's more advanced pawn is not only useful for tying down the heavy white pieces and extending the scope of the black pieces, it also serves as a supporting piece in an attack on the white king. Black is perfectly placed to draw the white king forward into a king hunt:

33... Qxg3+!! 34.Kxg3 Bf4+ and there are now only two unsatisfactory avenues of escape:

A. 35.Kh4 g5+ 36.Kh5 Bf7+ 37.Kg4 (Kh6 Rd6#) h5+ 38.Kf3 Bd5#

B. 35.Kf3 Bd5+ 36.Kg4 h5+ 37.Kh4 Bf7! 38.Qg4 hxg4 39.Kxg4 Bxa2 40.Ra1 Bd6+ with a clear piece ahead and isolated WK still vulnerable and e3 pawn dangerous.

B.1 38.Qxh5+ gxh5 with the same conditions.

B.2 38. (other) g5#

Time for review....

Dec-14-14  CHESSTTCAMPS: Missed the 40.Qb5 Rd5 line cited in the notes.
Dec-14-14  mistreaver: Sunday. Black to play. Insane. 33.?
Whereas it is clear that black has obvious advantage, it is not so clear to find the winning breakthrough. I have very similar feeling often that i am completely winning but i fail to find tactical continuations, and often end up even losing the game, especially in blitz. Since yesterday's solution was to sacrifice the queen, maybe it works today as well: 33 ...Qxg3+
34 Kxg3 Bf4+
Now white has two possible king routes:
A) 35 Kf3 Bd5+
36 Kg4
And now is the question how to mate
36 ... h5+
37 Kh4 Bf7
And i can't calculate if there is any defence white has B) 35 Kh4 g5+
36 Kh5 Bf7+
and now
37 Kg4 h5+
38 Kf3 Bd5+
37 Kh6 g4+
Time to check and see, i would be surprised if i calculated all this precisely. ---
Hmmm, i am quite satisfied with my calculations here, but few points should be refined: In my B1 line instead of 38 Kf3, 38 Kf5 is better, leading to mate in 7 according to computer, but one that is not that obvious. 38 Kf5 Bd5+
39 Kg6 Rd6+
40 Kxh5 Bf7+
41 Kg4 Rh6
42 h4 Rh4+
43 Kf5 Bd5+
44 Kg6 Be4+, completing the remarkable king hunt.
And also, i missed the game continuation of Qb5 Rd5, but since strong grandmaster like Lautier failed to find it, i think i can give myself some credit for my efforts here.
Premium Chessgames Member
  Penguincw: I didn't even get the first move. :(

On the bright side, tomorrow's Monday (yay and nay).

Dec-14-14  TheaN: Sunday 14 December 2014 <33....?>

King hunt Sunday. The characteristics of this position are that white is using all his pieces to try and keep black's e3 pawn at bay. Although black is much better, white seems to do a decent job at keeping his position. There is only one true weakspot, and that is the potential to expose the white king.

Black can probably just <try> <33....Qxg3+!!> as it seems to at least draw if the combination goes wrong. Take note that white can't decline the sac, as after <34.Kg1? Bf4!<>> and only a hopeless capture on e3 can prevent immediate mate. So, I guess most of us visualized <34.Kxg3 Bf4+>. The trick here is that by luring the king over the diagonal, the bishop has the power to expose the white king further.

In such position, searching for space is better than to hide away: the variation after <35.Kh4?!<>> leads to forced mate with <35....g5+ 36.Kh5 Bf7+ 37.Kg4 (Kh6 Rd6#) h5+ 38.Kf5 (or Kf3) Bd5# 0-1<>>. The critical aspect of this variation is that black can play h5+ with tempo, because it's defended by the bishop. All this because white didn't take space with Kh4.

Instead, <35.Kf3> is much more sturdy. It keeps tabs on e3, and forces black to utilize the light squared bishop in the attack. Now 35....h5? allows white to defend against the most crucial threat with 36.d5! or 36.g4. So, <35....Bd5+ 36.Kg4 h5+ 37.Kh4>. The difference with the other variation is that black plays h5+ with the bishop on f7 and the other pawn already on g5. Now 37....g5+? 38.Kxh5 seems to give white enough air to escape with.

So... why don't we create this situation anyway? <37....Bf7!>. The only defense white has is <38.Qg4 or Qxh5> but after <38....hxg4 or gxh5 > black's piece advantage should get the e-pawn across and win the game.

Dec-14-14  TheaN: Hm, I incorrectly stated in my first line that Bd5+ is mate after Kf5. In that position however, even if I would play Bd5+ black can correct the mistake by playing Bf7+ or mate white as the king is now alone on the 6th rank.

I missed the Qb5 defense. I can understand Rd5 is , but after 39.Qxd5 Bxd5 black still needs to finish the job.

Dec-14-14  patzer2: For today's Sunday puzzle got as far as 33...Qxg3+ 34. Kxg3 Bf4+ 35. Kf3 Bd5+ 36. Kg4 (diagram below):

click for larger view

From here (diagram above) I failed to find 37...Bf7! which Fritz 12 assesses as a win after 38. Qb5 Rd5 39. Qxd5 Bxd5 40. Be2 Kg7 41. Rf1 Kh6 42. Rxf4 g5+ 43. Kg3 gxf4+ 44. Kh2 Rc8 (-2.72 @ 26/52 depth -- diagram below.)

click for larger view

From this position (diagram above), the threat 45...Rc2 is decisive. If 45. Bd3 to prevent it, then Fritz 12 indicates Black wins after 45...Rg8 46.Rg1 Bxa2 47.Be4 b5 48.Ra1 Bc4 49.Bf3 Rd8 50.Rxa7 Rxd4 51.h4 Rd2 52.Ra6+ Kh7 53.b4 e2 54.Ra1 Bd5 55.Bxd5 Rd1 56.Ra7+ .

P.S.: Just as Black missed the 39...Bf7! follow-up in the actual game, I missed the 36...h5+ 37. Kh4 Bf7! follow-up in my line. So no point for me.

Dec-14-14  morfishine: <patzer2> Thats all well and good, but IMO, the critical line is <35.Kh4> at once instead of the tempo wasting 35.Kf3

The point is that White is prepared to return material with a timely <Qxe3> and the only way for Black to prevent this is with 35...Rf5 or 35...Rd5 (which conveniently threatens mate on <h5>)


Dec-14-14  patzer2: <morfishine: <patzer2> Thats all well and good, but IMO, the critical line is <35. Kh4> at once instead of the tempo wasting 35.Kf3>

Against club players of my strength, you may be right about 35. Kh4 offering better practical chances than 35. Kf3.

However, after 35. Kh4, the computer quickly finds mate-in-nine with 35...g5+! 36.Kh5 Bf7+ 37.Kg4 h5+ 38.Kf5 Be8+! 39.Ke4 Bg6+! 40.Kf3 Rde8! 41.Qc4 Bd6+ 42.Qf7 Rxf7+ 43.Ke2 Rf2#

Mean while 35. Kf3 (-2.72 @26/52 depth, Fritz 12 -- see post above) makes even the computers work harder to find a win.

Dec-14-14  patzer2: Correction to my first post here today:

For today's Sunday puzzle got as far as 33...Qxg3+ 34. Kxg3 Bf4+ 35. Kf3 Bd5+ 36. Kg4 h4+ 37. Kh4 (diagram in my first post above), but missed seeing the winning follow-up 37...Bf7! .

Premium Chessgames Member
  agb2002: The material is identical.

Black can extract the white king with 33... Qxg3+ 34.Kxg3 (else loses a bishop) 34... Bf4+:

A) 35.Kf3 Bd5+ 36.Kg4 h5+ 37.Kh4 Bf7 (threatens 38... g5#) 38.Qb5 (38.Qxh5+ gxh5 - + [B vs P]) 38... Rd5 39.Qxd5 Bxd5

A.1) 40.g3 Bc7 with the double threat 41... Bd8# and 41... Rxf1 42.Rxf1 e2.

A.2) 40.Bd3 Kg7 with the idea ... Kh6 and ... g5# (if 41.g3 g5+ 42.Kxh5 Bf3+ 43.g4 Rh8#) seems to give enough compensation for the exchange.

A.3) 40.Be2 Kg7 41.g3 Bc7 42.g4 (42.Bxh5 Bd8+ 43.Kg4 Bf3#) 42... g5+ 43.Kxh5 (43.Kxg5 Bf4+ 44.Kxh5 Rh8#) 43... Bd8 followed by ... Bf7 or ... Rh8 mating.

B) 35.Kh4 Rd5 (threatens 35... g5+ 36.Kh5 g4+ 37.Kh4 Rf6 followed by 38... Rh6#; I don't know how to continue after 35... g5+ 36.Kh5 Bf7+ 37.Kg4 (37.Kh6 g4#) 37... h5+ 38.Kf5 (38.Kf3 Bd5#))

B.1) 36.Q<anywhere but b5,f3,g4) Rh5#.

B.2) 36.Qb5 Rxb5 37.Bxb5 Rf5 38.Be2 Rh5+ 39.Bxh5 g5#.

B.3) 36.Qf3 g5+ 37.Kh5 Bf7+ 38.Kg4 (38.Kh6 Rd6#) 38... h5#.

B.4) 36.Qg4 g5+ 37.Qxg5 (37.Kh5 Bf7+ 38.Kh6 Rd6+ 39.Qe6 Rxe6#) 37... Rxg5 followed by 38... Rf6 winning.

B.5) 36.g3 Bg5#.

B.6) 36.g4 g5+ 37.Kh5 Bf7+ 38.Kh6 Rd6#.

B.7) 36.<any other move> g5+ 37.Kh5 g4+ 38.Kh4 Rf6 39.Qxg4 Rh6+ 40.Qh5 Rd(h)xh5#.

Premium Chessgames Member
  Jimfromprovidence: I missed the 37...Bf7 line, but I did notice playing around with that position that after 38 Qb5, 38...Be8 also works.

click for larger view

It's a fun line to work through.

Dec-14-14  morfishine: <patzer2> Thanks for checking that out! I struggled with that for quite awhile


Dec-14-14  dfcx: I got the first 5 moves.
33...Qxg3+ 34.Kxg3 Bf4+ 35.Kf3 Bd5+ 36.Kg4 h5+ 37. Kh4 Bf7 and it's difficult for white to defend.

click for larger view

Crafty helped me with the next few moves.
38. Qb5 Be8
A. 39 Qa5/d5? g5+
40.Qxg5 Bxg5+
41. Kxg5 Rxf1
42. Rxf1 e2

click for larger view

B 39.Qxe8 Rcxe8

click for larger view

In either case black is better - but not decisively.

Dec-14-14  BOSTER: I spent "only" couple hours moving the pieces.
So, I don't think this is easy to find it playing OTB. 33...Qxg3+ 34.Kxg3 Bf4+
if 35.Kf3 Bd5+ 36.Kg4 h5+ 37.Kh4 Bf7 38.Qxh5 gxh5 if 35.Kh4 Rd5 36 Rc1 g5+ 37.Kh5 Rf6 38.Rc5 Rh6+ 39.Kxh6 g4#. This is nice pos. White to play 19.

click for larger view

Try 19.Nxe4.

Dec-14-14  M.Hassan: "Insane"
Black to play 33...?
Dead equal

34.Kxg3 Bf4+
35.Kh4 g5+
36.Kh5 Bf7+
37.Kg4 h5+
38.Kf3 Bd5#
Easiest Insane after many years
Surprised that it is drawn

Dec-14-14  Ratt Boy: What would we ever do without <chrisowen>'s incisive commentary?
Premium Chessgames Member
  tarlzic 1966: What is his point?
Dec-14-14  TheBish: I think he suffers from a rare ailment, which exhibits symptoms including verbal diarrhea. Notice that one post wasn't enough -- it took three, with two of them quite lengthy!
Dec-14-14  Jim Bartle: <I think he suffers from a rare ailment, which exhibits symptoms including verbal diarrhea.>

Not so rare.

Premium Chessgames Member
  chancho: There once was a time when you could actually understand <chrisowen>.

A post of his from July 30, 2006:

<chrisowen: Hi, I played the following two knights game (ulvestad variation I think) as black. I know white should retreat the bishop and some of his other moves aren't best but would welcome comments, is 12.Nd5 better? 12. ...0-0 seems to invite trouble!

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd b5 6.Bxb5 Qxd5 7.Qe2 Qxg2 8.Qxe5 Be7 9.bxc6 Qxc6 10.Rg1 Qxc2 11.Nc3 h6 12.Nge4 O-O! 13.Nxf6 Bxf6 14.Qxf6 Re8+ 15.Ne2 Rxe2 16. Kxe2 Qe4+ 17.Kd1 Bg4+ 0-1>

Premium Chessgames Member
  OhioChessFan: Need a person have a point?
Dec-15-14  nasher: It's a code and we need to crack it!
Premium Chessgames Member
  chrisowen: <Ratt Boy> Dog in dig choose Sunday so good to me h5 a radish aperture ignoble mission select plan am g3 ar field sugar cain bamboos h5 carpe diem as hints h6 a rug pulled an why queen pawn honey pot for duty ramble give dip roof d5 bids la ship bap record in flurry it fave like feels band jan dig as king's a face pin am g3 sac fog done d5 quad b5 a lieber thin pick show b5 oh at d5 wisened to be caddy e6 light misses f7 black does too lope shave e6 do deft f7 at make room for the mush d5 room in chalk off batch in comp d5 an cede good plus for black soothe f7 angle monk mash tier i so caked duke d5 tax jessie f7 at sykes in good game cast shaped choir e6 maybe bath h6 in cede castigate a king's as h4 a no free give grand etc able wire bus aim g4 old do deft h5 am delivery angles son ar blip d5 ay in fed change cascadence on g3 back as wind a level goods i g7 amen brother bind a span d5 a riot us call a lolly e6 good h5 too a lump hints axioms f7 missed g7 up ply in lights a draw quicker mitigate no doot band ha beyond bivowauc basic do fend i no hood hurried arm ash f4 should be a oath h5 for victory am curdle g7?
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