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Yge Visser vs Tea Bosboom-Lanchava
Howard Staunton Memorial (2006), rd 8, Aug-22
Modern Defense: Standard Line (B06)  ·  0-1


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Given 9 times; par: 67 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 3 ·  Later Kibitzing>
Aug-24-06  Albertan: Here are some notes on this game:

1.e4 g6 2.d4 Bg7

The main continuation for Black in this position.


The most often played move by White.


She intends to develop her knight at a6, and this pawn advance gives her the option of playing the knight to c7.In addition this move supports the advance of her d-pawn to d5. [Analysis:The most popular continuation for Black is: 3...d6 ]


He plays a rare continuation, intending to fianchetto his bishop.


The most popular continuation for Black at this stage of the game, giving her the option of playing ...e7-e5 in the future.Bosboom-Lanchava is playing the Modern Defense, a hypermodern defense."The Modern Defense also known as the Robatsch Defense is a chess opening in which Black allows White to occupy the center with pawns on d4 and e4. Black's hope is to attack and undermine White's "ideal" position without directly attempting to occupy the center himself."(source: Returning to the moves played in the game, Visser next played:


He prevents her from playing ...b7-b5.


She prevents him from advancing his b-pawn to b4. [Analysis:The main continuation for Black in this position is: 5...Nf6 ]


He begins to develop his kingside. This is the only move White plays in this position in my database.


She develops another piece, intending to play it to b4.


He develops another minor piece.


She competes her kingside development.


He spends a tempo to prevent her from playing ...Bg4.This move appears to be a theoretical novelty for the position. In my database White has only played 8.O-O.


This move forces him to defend his attacked c-pawn with his queen. [Analysis:Hiarcs 8: 8...0-0 9.0-0 e5 10.Be3 Be6 11.f4 exd4 12.Nxd4 Qe7 13.Qf3 Bc4 14.Rfe1 Nc5 =] Returning to the game, Visser next played the move:


He develops his last minor piece.



Gaining space on the kingside and threatening the pawn advance e4-e5. [Analysis:Hiarcs 8: 10.0-0 e5 11.Qd2 Be6 12.g4 Qb6 13.Be3 Qc7 14.f4 exd4 15.Bxd4 h6 ] Lanchava now played:


She forces him to make a decision about his bishop: exchange it on f6 or waste time moving it to h4. [Analysis:Hiarcs 8: 10...d5 11.e5 Nd7 12.0-0 Nb6 13.g4 f5 14.Bf3 (14.exf6 exf6 15.Bh4 Nc4) 14...fxg4 15.hxg4 Be6 =]

Aug-24-06  Albertan: 1.Bh4 e5

She counter-attacks in the center. [Analysis:Junior 9: 11...d5 12.e5 Nh7 13.g4 g5 14.Bg3 f5 15.exf6 exf6 =]


[Analysis:Junior 9: 12.dxe5 dxe5 13.Qxd8 Rxd8 14.Rc1 exf4 15.gxf4 Re8 16.0-0 Nh5 17.f5 Be5 ] Her next move in the game was a capture:


She reduces some of the central tension. After this move Hiarcs 8 analyses this position as equal.

13.Nxd4 Qb6

She pins his knight and creates the threat of a double-attack against this piece (if she moves her knight on f6).


He spends a tempo to break the pin.


She offers the exchange of her bishop for his knight on d4.


He offers his knight. [Analysis:Hiarcs 8 and Junior 9: 15.hxg4 Qxd4 16.g5 hxg5 17.Bxg5 Qxd1 18.Raxd1 Nxc2 19.Rxd6 Ne3 20.Rf2 f6 21.Bh4 Bg4 ] For her next move in the game Lanchava played:


She forces him to play 16.Rxf2. [Analysis:Hiarcs 8:(a) 15...Nxc6 16.Nd5 Nf2+ 17.Kh2 Qxb2 18.Qe2 Nxh3 19.Bxh3 Bxh3 20.Kxh3 Nd4 21.Qd1 Qxc2 22.Nf6+ Bxf6 23.Bxf6 Qxd1 24.Raxd1 Ne6 25.Rxd6 Rac8 and White would have compensation for the pawn.; (b) 15...bxc6 16.hxg4 Bxg4 17.Qxg4 Nxc2 18.Rab1 Ne3 19.Qe2 Nxf1 20.Qxf1 Rab8 =; (c) 15...Qxc6 16.hxg4 Bxc3 17.e5 d5 18.bxc3 Qxc3 19.Be7 Re8 20.Bxb4 axb4 21.Rf3 Qc5 ] Returning to the game, the players now played these moves:

16.Rxf2 Qxf2

Leaving her up a pawn in material.


Winning a tempo for his pawn. [Analysis:Junior 9: 17.Nxb4 axb4 18.Nd5 Bxb2 19.Rb1 Bg7 20.Rxb4 Be6 21.Nf6+ Bxf6 22.Bxf6 Qxg3 23.f5 gxf5 24.exf5 Bxf5 25.Rb3 Qg6 26.Qd4 Bxc2 27.Rf3 Be4 ] Going back to the moves played in the game, Lanchava now played:


The lost tempo and only move.


A mistake. [Analysis:Hiarcs 8:Better was 18.Ncd5 Nxd5 19.Nxd5 Be6 20.Nc7 Rac8 21.Qxd6 Bc4 22.e5 Qxc2 23.Qb6 ; (b)Shredder 8: 18.Rc1 Be6 19.f5 Bc4 20.Qg4 g5 21.e5 Qe3 22.Rd1 Bxe5 23.Qxc4 gxh4 24.Qxh4 Bxg3 25.Qe4 Qxe4 26.Nxe4 Be5 ] Returning to the game, the players now played these moves:



[Analysis:Hiarcs 8 and Junior 9: 19.Nxc8 Rxd6 20.Nxd6 Qxc2 (20...Bxc3 21.bxc3 Nxc2 22.Rg1 Ne3 23.e5 Ra6 24.c4 Rb6 25.Nb5 Nf5 ) 21.Rg1 Qxb2 22.Ncb5 f6 ] For her next move in the game Lanchava played:


She gives back material.

Aug-24-06  Albertan: 20.Bxh3 Rxd8

Leaving Lanchava up two pawns in material.


Creating a discovered attack against her rook.


[Analysis:Junior 9: 21...Rg8 22.Ne7 Re8 23.e5 Qxc2 24.Rf1 Rd8 25.Bg2 Rd2 26.Bxb7 Qxb2 (26...Rh2+ 27.Kg1 Qxb2 28.Nd1 Qd2) ; Shredder 8: 21...Rb8 22.Rf1 Qxc2 23.Nf6+ Bxf6 24.Bxf6 Nd3 25.Nd5 Nxb2 ] Returning to the game, Visser now played the capture:


[Analysis:Junior 9: 22.Bxd8?? Qxg3 23.Bf1 Qf3+ 24.Bg2 Qh5+ 25.Kg1 Bd4+ 26.Kf1 Ne3+ 27.Ke1 (27.Kg1 Qg4 28.Kf2 Nxg2+ 29.Kf1 Qf3#) 27...Nxg2+ 28.Kd2 Qf3 29.Rh1 Nxf4 ; Shredder 8: 22.exd5 f6 23.Rc1 g5 24.fxg5 fxg5 25.Rf1 Qe3 26.Bf5+ Kh8 ] Play in the game continued with these moves:



Attacking the queen,winning a tempo. in effect sacrificing his c-pawn. [Analysis:Junior 9: 23.Bxf6 Qxg3 24.Ra3 Qe1+ 25.Kh2 Bxf6 26.Nxf6+ Kg7 27.Nd5 Qxe4 28.Bg2 Qxc2 ] Returning to the moves played in the game the players now played these moves:


24.g4 Qxe4+


Gaining a tempo for his pawn.


The lost tempo. [Analysis:Junior 9: 25...Qe2 26.Nc3 Qxg4 27.Be1 f5 28.Rf3 Rd4 29.b3 Rxf4 ] Now these moves were played next in the game:

26.Nc3 Qb4

Attacking his b-pawn winning a tempo.


The lost tempo.


28.Kh2 f5

Offering to exchange pawns to simplify the position.

29.gxf5 gxf5

Attacking her undefended pawn threatening to win a tempo.


Avoiding the loss of a tempo, and instead winning one by creating a double-attack against his knight.

31.Rg2!? Bd4

[Analysis:Junior 9: 31...Bxc3 32.bxc3 Rf8 33.Be1 Qc4 34.Bd2 Qxa4 35.Re2 Qc2 ] Visser, for his next move in the game played:


Attacking her bishop.


Losing a tempo.


Creating the threat of Rg7+ which would give him a discovered check in the future.



[Analysis:Junior 9: 34.Rxg8 Kxg8 35.Bc3 Qc4 36.Bf1 Bxf4+ 37.Nxf4 Qxf1 ]

Aug-24-06  Albertan: The game continued with Bosboom-Lanchava playing:


She simplifies the position.The game concluded with these moves:

35.Kxg2 Kg6
36.Kf3 Bf2


Oct-19-06  aazqua: The revenge of Tea Blossom. Nice job taking advantage of a major blunder by white, keeping things in control and simplifying to win. I really like rd8 - nice shot! Not sure she did the right thing with her king side pawns but once the final white rook leaves the queen dominates.
Premium Chessgames Member
  Phony Benoni:

click for larger view


I was looking at it the other way around, 18...Bxh3 19.Bxh3 Rad8 20.Qc7 Rd2. But White has 20.Bd7 in that case, so it has to go the other way around.

I expect a few others will fall for that. At least, I hope I'm not the only dummy around here.

May-26-11  Dr. J: Yup, count me among the dummies who went for 18...Bxh3 first.
May-26-11  Zan: <Phone Benoni: I expect a few others will fall for that. At least, I hope I'm not the only dummy around here.>

Nope, I had exactly the same thought up through 20 Qc7 and then realized it wasn't really going anywhere.

Premium Chessgames Member
  NM JRousselle: Call me one of the dummies, but I believe that 18 ... Bh3 wins after 19 Bh3 Rad8 20 Bd7 Nc2. 18 Rd8 is a better move, but Bh3 does not throw away the win.
May-26-11  rilkefan: My first thought is ... <PB>'s line.
Premium Chessgames Member
  Jimfromprovidence: I saw 18...Rd8 right away, but how does it work?

click for larger view

I liked two things about the rook move that make it look good. The first is that the white queen has only one safe square, c7. If that move is played, 19 Qc7, then black has the one-two combo of 19... Rd2, below, seeing 20...Bxh3.

click for larger view

The second thing I liked is that the white queen is unguarded, so attempts to trade queens won't work for white. For example, if white tries something like 19 g4?!, black simply plays 19...Qxg2+, below and comes out a piece ahead after the queen exchange.

click for larger view

May-26-11  sevenseaman: A monstrous heist! I guess I have grabbed the subtlest finesse of this POTD by playing;

18... Rd8. It does not matter to me whether the White Q accepts the sac or not, my next move is Bxh3, the move which I have been in any case itching to make. (Thank heaven the horsd'oeuvre flashed across my mind in the nick of time.)

click for larger view

The urgency of the B move is so sharp that White cannot be bothered about saving the Q.

I do not care what happens next, I almost know I am on a winning trail. (Of course I am too excited to proceed further but that is not the reason I am leaving it off here; I got to attend to a pressing business before I even dare look up.)

Just enough time to say its been a sublime puzzle today <CG>.

Premium Chessgames Member
  patzer2: The move 18...Rd8! makes a sham sacrifice of the Rook to create a winning double attack after 19. Qxd8 Bxh3 , forcing the loss of the Queen to avoid the mate.

My solution for today's Thursday puzzle was the immediate 18...Bxh3! which also wins after 19. Bxh3 Rad8 20. Bd7 Nxc2 21. Ned5 Nxa1 .

May-26-11  scormus: Seems I'm in good company about 18 ... Bxh3. I kept looking at the <Phony Benoni/NM JR> line trying to make it work. Eventually I found what I think wins

After 20 ... Nxc2 where does the WR go? If 21 Rg1 Bd4 22 Rg2 Qf1+ 23 Kh2 Ne3, else 21 ... Ne3. So perhaps W should give up R for N

The game line "wins" the WQ but the win is not exactly quick. I still prefer "our" line

May-26-11  jheiner: <PhonyBenoni: Count me in. I had the same line: 18...Bxh3 19.Bxh3 Rd8 20.Qc7 Rd2 .>

I was also keenly interested in the Ra6 candidate. Good position, and first puzzle I've missed this week. Curious to see the full analysis on this Bxh3 move order.

May-26-11  scormus: I just checked with Rybka, who went with 18 ... Rd8. But after setting up 18 ... Bxh3 the eval is almost the same, with W cutting his losses after 20 ... Nxf2 with 21 Nf5 Nxa1.
May-26-11  VincentL: "Medium"

Material approximately equal. A number of black´s pieces are not well placed.

Should this be white to play?

Assuming it is indeed black´s move. surely he must start with something like 18....g5.

Then 19. fxg5 hxg5 20. Bxg5. Perhaps here 20.....Ra6 can be played.Then 21. Qd1 Qxg3 and although black is building up an attack. I see nothing decisive.

I think I have missed a key move.

I am tired and am going to check.

May-26-11  VincentL: Missed it completely.

Nice combination.

May-26-11  sevenseaman: No <jfp>, are you seriously telling me Bxh3 cannot be played immediately? No I think, it can be as the Rs are going to be connected.

19. Qc7 Bxh3 20.Rg1 (or Bxh3) Bxg2+ Or (Rd2) 21. Rxg2 Qf1+ 22. Rg1 Qh3#

No, there are no saving graces available, Black just has to throw in his Q immediately.

19. Qxd8 Rxd8 and sooner or later the game must belong to Bosboom-Lanchava. Denouement seems like a long affair.

May-26-11  tacticalmonster: 1) Black is has a rook vs Knight and one pawn

2) White queen does not have many retreating squares

3) Black queen is powerfully stationed along White's second rank

4) White moved all his kingside pawns off second rank and it is exposed

candidate: 18 Rd8!

19 Qxd8 ( 19 Qc7 Rd2 20 Rg1 Bxh3 )Bxh3 20 Bxh3 Rxd8

time spent: 2 min

May-26-11  sfm: <18...Bxh3 ... I expect a few others will fall for that. > *Blush*
May-26-11  rilkefan: <After 20 ... Nxc2 where does the WR go? If 21 Rg1 Bd4 22 Rg2 Qf1+ 23 Kh2 Ne3, else 21 ... Ne3.>

Ah. After 21.Rc1 Ne3 22.Rg1 I thought I might rue not being able to play ..Bd4 but Ng4 looks crushing.

May-26-11  M.Hassan: "Medium" Black to play 18....?
Black has a Rook for a Knight and 2 pawns

Going after gaining more materials! and Black can do it:

19.Qd1 Qxb2
20.Qc1 Bxc3
This is a Knight and 2 more pawns. if Queens are exchanged, Bishop can run to safety again. Worse for White would be:
19.Rb1 Bxc3
20.bxc3 Qxb1+
21.Kh2 Na6
Rook and a pawn extra gain
Time to check
Way different. My line not bad either!!

May-26-11  SamAtoms1980: 18 .... Rd8!! and Bosboom-Lanchava sets off a BOOM. If 19.Qxd8 Bxh3 wins the queen. Or if the White queen retreats, then 19 .... Rd2 is crushing.
May-26-11  gmalino: after looking too long I saw that white's Queen can be pushed to c7 with pressure on the d-file for black. Therefore I like to play

19.Bxh3 Rfd8
20.Qc7 Rd2
forcing mate

white has to play 19.Bxh3 AND Qc7, so this line doesn't seem defendable at all. But it isn't that easy to spot.

Hope I'm right.

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