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Charles H Storey vs David Howell
British Championship (2015), Coventry ENG, rd 2, Jul-28
Caro-Kann Defense: Two Knights Attack. Mindeno Variation Retreat Line (B11)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
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Jul-08-16
Premium Chessgames Member
  Penguincw: It's Friday! This puzzle, I kinda got.

I got the first move of 19...Qf4+, threatening mate on h2. Moving the f1 rook won't help, and neither would moving the queen. 20.f3 is possible, but it looks like 20...Bc5+, and white loses the rook, or the king.

I wasn't sure where white should move the bishop, which is why I didn't progress far at all here today.

Jul-08-16  stacase: 19...Qf4 I got and then ...
Jul-08-16
Premium Chessgames Member
  al wazir: I found 19....Qf4 with no trouble. My next thought was, why doesn't white just take the ♖ with check: 20. Bxc8+ Kf8 21. f3. But after 21...Rxh3 22. Rf2 (what else is there?) Bc5, white has no good continuation. I didn't think of 20. Bd5+, so that was as far as I got.

In the game line, can't white defend with 26. Qg2 ? No; black wins the ♕ with 26...Rc3+.

Jul-08-16  diagonalley: sadly, the discovered check threat overwhelmed my inclination to do anything other than circumvent it :-(
Jul-08-16  AlicesKnight: I saw a number of the elements, but (as Morecambe and Wise might have said) not necessarily in the right order....
Jul-08-16  david p: Alices Knight, Jean Luc Godard.
Today for me got nowhere with this puzzle.
Jul-08-16  The Kings Domain: Didn't get this and I have yet to figure out why white resigned.
Jul-08-16  The Kings Domain: Ah, now I see; 26) ...Rc3+ and it's lights out for white.
Jul-08-16  leRevenant: <The Kings Domain: Ah, now I see; 26) ...Rc3+ and it's lights out for white.> Yup, figuring that out was my POTD.
Jul-08-16  Oxspawn: <Kings Domain> I thought the point was that black could mate with the queen on either h2 or g3 and that White could protect against either threat but not both. But you are right: Rc3+ is needed after 26. Qg2.
Jul-08-16  clement41: Howell rightly retook on d4 on his 18th move, as the zwichenzug ...Rxc2?? loses to the nice bishop counter-zwichenzug sequence: Bxb2 Rxe2 Bxg7 Rh7 (or ...Rxh3) Bf3 1-0 I was happy to see that line until I computer-checked to see that ...Rxc2 Qd1! is even stronger
Jul-08-16  caracas1970: why white didnt play 14. Qb7 any trick? what would black play to answer that move?
Jul-08-16
Premium Chessgames Member
  PawnSac: The only good motivation for Rfd1 is to take the Bd6, but the white B blocks the path after Bd5+, so whats the point? 21.Rfd1 & 23.Re1 loses a tempo at a critical time of defense. If instead white plays 20.Bd5+ Kf8 21.Re1 (directly) Rxh3 (if 21. ..Qh2+ 22.Kf1 Qxh3+ 23.Bg2) 22.Qe4 he has a chance at defense.

So yea, ok, he'll lose a pawn or two, but at least he forstalls the mate. I think Rfd1 was the losing move.

Jul-08-16
Premium Chessgames Member
  Sally Simpson: Hi caracas1970,

If here


click for larger view

14...Qxb7 15.Nb4 hitting c2 and cutting off the White Queen's retreat. Rb8 is coming and that Queen looks in severe trouble.

Funnily enough I'm playing a game on the net and just a few hours ago set up the same trap.


click for larger view

I've just played 10.h3 and if 10...Qxg2 11 Qe3 and the Black Queen is doomed due to the threat of Rh2 or Rdg1.

That bit was easy, a familiar pattern, the only tricky bit is making sure Black does not sell their Queen for too high a price.

Here is the link to game, you can wait with me (always the exciting bit) to see if they fall into the trap.

http://www.redhotpawn.com/chess/che...

Jul-08-16  Andrew Chapman: If 14. Qb7, how about Nb4?
Jul-08-16  YetAnotherAmateur: One defensive approach that I think has to be considered:

19. ... Qf4
20. Bxc8+ Kf8
21. f3 Bc4+
22. Rf2 Qg3+
23. Kf1 Rxh3
24. Ke1 (prevents Rh1#) Bxf2+
25. Kd2 (not Qxf2 Rh1+ skewering away the a1 rook)

And while I certainly don't envy white's position, at this point all black has gained materially is the h-pawn. White's active king and the opposite colored bishops would in my mind at least give him drawing chances.

Jul-08-16  Andrew Chapman: With threat Rb8, Qa7, Bc7 then Bc6; plus Nc2 also
Jul-08-16  The Kings Domain: leRevenant: Same here.

Oxspawn: True.

Jul-08-16  kevin86: It is quite rare that a player exposes himself to a double check and soon forces a win.
Jul-08-16  YouRang: Black to move 19...?


click for larger view

Since cheesy obvious tactics are a specialty of mine, my first thought was <19...Qf4>, threatening ...Qh2#.

White has no good way to defend the king (e.g. 20.f3 fails to 20...Qg3+ 21.Qg2 Bc5+ ; and moving the Rf1 doesn't help, e.g. 20.Rfd1 Qh2+ 21.Kf1 Qh1#). Making matters worse for white, black's rook is bearing down on Ph3.

The only trick in white's bag is the discovered check from moving his Be6. For defensive purposes, white has no better place to move the bishop than to d5 where it guards two key squares around the king. So, <20.Bd5+ Kf8>


click for larger view

Now, moving the Rf1 may help since h1 is guarded, so <21.Rfd1>. However, black can add another attacker to h1 with <21...Rxh3>


click for larger view

Now what? White could try 22.Kf1, but then 22...Bc5 threatens ...Rh2 and ...Re8, which looks unbearable for white.

White's best move seems to be <22.Qe4> which (1) attacks the black Q, (2) adds a defender to h1, and (3) frees e2 as an escape square for the K.

Here, I figured <22...Qh2+ 23.Kf1 Bc5> threatening ...Qxf2# <24.Rd2 Rd8>. At this point, I wasn't sure if my attack had fizzled, or if my ability to visualize it had fizzled.

~~~

Checking with the engine, I see that both things fizzled (although at least black was better in my line).

The main move I missed was <22...Qf6!>, which didn't even occur to me. Visually, it seems to be taking the attack backwards.


click for larger view

What's so good about it?

- It preserves the queen while maintaining attack on Pf2.

- It gains a tempo by attacking Ra1, because Rd1 is (for now) unable to defend Pf7 via d2.

- It enables ...Qc3, where it guards Rh3 and has another angle of attack.

Black now threatens ...Bc5 which adds attack to Pf2, and ...Re8 which forces the queen to move from its defensive role. There are too many possibilities to cite, but in short, white is gasping for air. Good puzzle, but difficult.

Jul-08-16  agb2002: The material is identical, with opposite-colored bishops.

White threatens 20.Bxc8+.

The first idea that comes to mind is 19... Qf4 20.Bxc8+ Kd8:

A) 21.Kg2 Qh2+ 22.Kf3 Rxh3+ 23.Ke4 Qe5#.

B) 21.Rfb(c,d,e)1 Qh2+ 22.Kf1 Qh1#.

C) 21.f3 Qg3+ 22.Qg2 (22.Kh1 Rxh3+ 23.Qh2 Q(R)xh2#) 22... Bc5+ 23.Rf2 Bxf2+ 24.Kf1 Kxc8 25.Qxf2 (25.Qxg3 Bxg3 - + [B]) 25... Qxh3+

C.1) 26.Kg1 Qh1#.

C.2) 26.Qg2 Qh1+ 27.Qg1 (else lose the rook) 27... Qxf3+ 28.Ke1 (28.Qf2 Rh1#) 28... Re8+ (or 28... Rh1) 29.Kd2 Re2+ and mmate soon.

C.3) 26.Ke1 Qh1+ wins the rook (27.Qf1 Qxf1+ 28.Kxf1 Rh1+).

C.4) 26.Ke2 Re1+ 27.Kd2 Kb8 and Black has an extra pawn and the better position.

-----

Another option is 19... Rc3 (19... Rc5 20.Bd5+ Kf8 21.Bg2 and White seems to hold)

A) 20.Rfd1 Rg3+ 21.Kh1(2) Rhxh3#.

B) 20.Rfe1 looks dangerous for Black (threatens 21.Bxf7+ Kxf7?? 22.Qe6+ Kf8 23.Qe8#).

-----

The capture 19... fxe6 20.Qxe6+ Kd8 (20... Kf8 21.Qxc8+ Kf7 22.Qxh8 Qf4 and Black seems to have perpetual) 21.Rfd1 looks too dangerous and probably losing (21... Re8 22.Qxe8+ Kxe8 23.Qxd6 + - R+P]).

-----

I'm not sure but I think I'd play 19... Qf4.

Jul-08-16  YetAnotherAmateur: <al wasir> After

19. ... Qf4
20. Bxc8+ Kf8
21. f3 Rxh3
22. Rfe1
(notice the threat of 23. Qe8# which has to be addressed)

Black has a tough time trying to press his attack:
A) 22. ... Rh1+? 23. Kxh1 Qh6+ 24. Kg2 and all black has accomplished is dropping a rook.

B) 22. ... Rg3+ 23. Kf1 Rxf3+ 24. Kg1 Qg3+ 25. Qg2 Bc5+ 26. Kh1 and try as he might I don't think black has a forced mate here.

C) 22. ... Qg3+ 23. Qg2 Bc5+ 24. Rf2 Bxf2+ 25. Kf1 and black has run out of good ways to continue pressing the attack: 25. ... Qxg2+ 26. Kxg2 forking the rook and bishop, 25. ... Rh1+ 26. Qxh1 goes nowhere.

D) 22. ... Bc4+ 23. Rf2 Bxf2+ 24. Qxf2 and black's attack is stalled again.

E) 22. ... Kg8 23. Bxb7 and now white has another defender of f3, x-raying onto g2 and h1.

Jul-08-16
Premium Chessgames Member
  Jimfromprovidence: I found this to be a really nice side puzzle. White tries 23 Bxb7?!


click for larger view

Black to play and win.

Jul-08-16  beenthere240: <Sally>
Looks like you have a superior game in any case since black is frittering away his moves, hasn't castled, has buried his DSB, etc.
Jul-08-16
Premium Chessgames Member
  al wazir: <YetAnotherAmateur: 19. ... Qf4 20. Bxc8+ Kf8 21. f3 Rxh3 22. Rfe1> Bc5+ 23. Kg2 (23. Kf1 Rh1+ 24. Kg2 Qh2#; 23. Qf2 Qg3+ 24. Kf1 Qxf2#) Rh2+ 24. Kf1 Rh1+ 25. Kg2 Qh2#. Dead is dead.

In your line D), the first two moves (22...Bc4+ 23. Rf2) are impossible.

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