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Mikhail Botvinnik vs Abram Khavin
USSR Championship (1944), Moscow URS, rd 5, May-27
Caro-Kann Defense: Panov Attack (B14)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Given 19 times; par: 43 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 2 ·  Later Kibitzing>
Jun-12-14  Castleinthesky: First! I've been a member of this site for years, and I've always wanted to do this silly thing. I haven't even looked at the puzzle.
Jun-12-14
Premium Chessgames Member
  Phony Benoni: Note first that the ♖e1 is in a prime position for mating ideas if the queen can get in one good check on the a3-f8 diagonal. Also, there is the potential of Nf5 with a fork.

The ♖h4 is exposed, so maybe 30.Qg5 to threaten it? No subsidiary threat; rook moves and 31.Nxc6 (to threaten 32.Qe7+) is answered 31...Bxc6.

So maybe reverse moves with <30.Nxc6> first? If 30...Bxc6 the fork 31.Nf5 comes in, so <30...Qxc6> and now <31.Qg5> is a double attack. After 31...Qf6 32.Qxd5 hits the bishop and threatens 33.Qa8+. that might even be good enough to satisfy Botvinnik.

Jun-12-14  MountainMatt: <CastleInTheSky> Good for you! No point in looking at the puzzle anyway - it's Thursday. You have to be 3000+ to get Thursdays.
Jun-12-14
Premium Chessgames Member
  al wazir: I found the game line with surprisingly little effort. But after 31. Qg5, what if black plays 31...Qf6, and if 32. Qxd5, 32...Bc6 ? All white has is a measly ♙.
Jun-12-14  nottogoodabeginner: this was an easy Thursday
Jun-12-14  mrsaturdaypants: If 31...Qxf6 32. Qxd5 Bc6, then 33. Nf5 wins the exchange. (If black moves the rook, then 34. Qc5+ Kg8 (forced) 35. Ne7+, winning the bishop.)
Jun-12-14  shivasuri4: <al wazir>, after 32...Bc6, White wins with 33.Qc5+ Kg8 34.d5 Bd7 35.Qc8+ Bxc8 36.Re8#.
Jun-12-14  diagonalley: woo-hoo! ....actually got a thursday puzzle... must be easier than usual, shurely(?!)
Jun-12-14  bengalcat47: Nicely done by Botvinnik! His opponent literally "khaved in."
Jun-12-14  gofer: <30 Nxc6 ...>

30 ... Bxc6
31 Nf4

The black queen is overworked protecting Bc6 and Rh4 and also having to move to safety from d6, but the obvious move Qf6 fails horribly! 31 ... Qf6 32 Qc5+ Kg8 33 Nxh4 . Black is a full rook down and has major back rank weaknesses

<30 ... Qxc5>
<31 Qg5 ...>

Black must protect Rh4 or the rook must move...

31 ... Rxd4?
32 Qe7+ Kg8
33 Qd8+ Be8
34 Rxe8+ Bxe8
35 Qxe8#

31 ... Rh6?
32 Qe7+ Kg8
33 Qd8+ Be8
34 Rxe8+ Bxe8
35 Qxe8#

31 ... Re4?
32 Nxe4 dxe4
33 d5! Qf6 ( Qc8 34 Rxe4 or Qc7 (Qd6 34 Qd8+ ) 34 d6! Qc8 (Qxd6 35 Qd8+ ) 35 Rxe4 34 Qxf6 gxf6
35 Rxe4

<31 ... Qf6>
<32 Qxd5! ...>

Suddenly black's back rank weaknesses are a serious issue, white threatens Qa8+ mating and Qxd7 winning...


click for larger view

32 ... Bc6
33 Qc5+ Kg8
34 d5 Bd7
35 Qc8+ Bxc8
36 Re8#

32 ... Qd8?
33 Qd6+ Kg8
34 Nf5! Rh5
35 Re7

32 ... Qxd4?
33 Qa8+ mating

32 ... Rxd4?
33 Qa8+ Bc8
34 Qxc8+ Qc8
35 Qxa6

32 ... Be6?
33 Qa1+ Ke7
34 d5

Now the only question is whether I have the move order right! Which comes first; Qg5 or Nxc6? I think Nxc6 has to come first as it forces Qxc6 and so opens up a queen check on a8, the other way around the bishop is on c6 and the attack is much more difficult...

~~~

Yep!

Jun-12-14  Ashperov1988: dam im always doing things the hard way haha
Nc6 Qc6 (Bc6 Nf5 or is there a better move?) Qg5 Rh6 (Qf6 Qxd5 mops up nicely eg Be6 Qa8 Ke7 d5) Now yes Qe7 is the killer game over immediately but I didn't see it (work and all) anyway I saw Qd8 Be8 and now Nf5. now if Re6 then Re6 Qe6 (ef6 Nd6) Nd6 and his toast I think. Rook must stay on 6th rank to stop Nd6 Rg6 Ne7 and whats left of importance Rf6 doesn't Ng7!? crush him kg7 Re8 and the black king should get beaten. Maybe someone with time or a computer can refute that for me. But hey nice exercise for the day
Jun-12-14
Premium Chessgames Member
  hoodrobin: <Castleinthesky>

Welcome to the club!

Jun-12-14
Premium Chessgames Member
  agb2002: White has a knight for a bishop.

Black threatens 30... Nxa5.

The risky position of the black king and the defenseless rook on h4 suggests 30.Qg5, aiming at d8 and h4:

A) 30... Rxd4 31.Nxc6

A.1) 31... Bxc6 32.Nf5 Qf6 33.Qxf6 gxf6 34.Nxd4 + - [R+N vs B+P].

A.2) 31... Qxc6 32.Qe7+ Kg8 33.Qd8 Be8 34.Q(R)xe8+ Qxe8 35.R(Q)xe8#.

A.3) 31... f6 32.Qe3 Rc4 33.Nd4 + - [N vs P].

B) 30... Qf6 31.Qxd5 Rxd4 and Black seems to hold (32.Qa8+ is not possible).

-----

Another option is 30.Nxc6, removing a good defender:

A) 30... Bxc6 31.Nf5 wins the exchange.

B) 30... Qxc6 31.Qg5

B.1) 31... Rxd4 32.Qe7+ Kg8 33.Qd8+ and mate in two.

B.2) 31... Qf6 32.Qxd5

B.2.a) 32... Bc6 33.Qc5+ Kg8 34.Nf5 Rf4 35.Ne7+ Kh8 (35... Kf8 36.Ng6+ Kg8 37.Qf8#) 36.Nxc6 (or 36.Nd5) + - [N+P].

B.2.b) 32... Qc6 33.Qg5 Qf6 34.Qc5+ Kg8 35.Qc8+ Bxc8 36.Re8#.

B.2.c) 32... Rxd4 33.Qa8+ Bc8 34.Qxc8+ Rd8 35.Qc5+ + - [N+P].

B.2.d) 32... Bc8(e8) 33.Qc5+ and mate in two.

B.3) 31... Re4 33.Nxe4 wins the exchange.

C) 30... Bxh3 31.gxh3 Rxh3 (with the idea 32... Rxg3 33.fxg3 Qxg3+ and perpetual) 32.Qc5, etc.

-----

I think I'd play 30.Nxc6.

Jun-12-14  morfishine: Black's position, creaking and groaning, "Khaves-in" with a simple forcing capture

<30.Nxc6> forcing capture

<30...Qxc6> forced due to 30...Bxc6 31.Nf5

<31.Qg5> attacking the rook while eyeing e7 & d8

<31...Qf6> Black must obstruct the h4-d8 diagonal plus defend the rook; for example, 31...Rh6 allows 32.Qe7+

<32.Qxd5> Black is positionally busted courtesy of the marauding White Queen; The main threat is 33.Qa8+

<32...Bc6> Now Black must defend another inroad avenue, this time the white-square h1-a8 diagonal

<33.Qc5+> nice in-between move forcing the Black King away from defending the e-file

<33...Kg8> forced

<34.Nf5> This kills; Black has no good square for his rook; for example if 34...Rh5 then 35.Ne7+ Kh8 36.Qxh5 and White has won a rook; or 34...Rf4 35.Ne7+ Kh8 36.Nxc6 White has won the Bishop and threatens 37.Re8# & 37.Qf8#

*****

Jun-12-14  Nick46: Bot vinning - zere is no doubt about it. Abram caved in.
Jun-12-14  Nick46: as <bengalcat47> rightly points out.
Jun-12-14
Premium Chessgames Member
  Oxspawn: Coffee break thoughts of a very average* player.
I like the look of

30. Nb7 followed by Qg5 but not sure how to counter
30. Qf6

30. Nxc6 followed by 31.Nf5 would be good if black would retake with the bishop but not much cop if black retakes with the queen. Black rarely does what I want them to when I am playing white (and even sometimes when I am playing black).

So what about
30. Nxc6 Qxc6
31 Qg5 Qf6
32 Qxd5 threatening Qa8+
Black can play
32. Qc6

Not sure where to go from here. White can get a passed pawn by exchanging queens but it does not seem like the answer to a POTD. Would not post this except I am following my own advice from yesterday – back your own judgement even if you have lousy judgement.

(* The average of all people who know the chess moves – not the average of people who visit this site. Probably the geometric mean, but who knows?) Now I will go and play out the ending and porbably hang my head.

Jun-12-14
Premium Chessgames Member
  Oxspawn: Oxspawn: Not hanging head at all. The first two moves is not bad, even if I find Botvinnik is (was) a little better than I am. But why did black not play 31. Qf6?
Jun-12-14  dfcx: Black wants to trade the Knight at a5, the knight at c6 is protected by both bishop and the queen. But the queen also needs to protect the e7/d8 squares while the bishop guards f5.

30. Nxc6
A) 30...Bxc6 31. Nf5 forks queen and rook

B) 30...Qxc6 31. Qg5 Rh6? 32. Qe7+ Kg8
33. Qd8+ Be8 34. Qxe8+ Qxe8 35. Rxe8#

So the best defense is
C) 30...Qxc6 31. Qg5 Re4 32. Nxe4

Jun-12-14  dfcx: <Oxspawn: Oxspawn: Not hanging head at all. The first two moves is not bad, even if I find Botvinnik is (was) a little better than I am. But why did black not play 31. Qf6?>

White can play 32. Qxd5 Bc6 33. Qc5+ Kg8 34. Nf5 wins

34...Re4? 35. Rxe4

34...Rh5 35. Ne7+

Jun-12-14  dfcx: <Oxspawn> If black plays 31...Qf6 32. Qxd5 Qc6 instead,

33. Qg5 Qf6 34. Qc5+ Kg8 35. Qc8+ Bxc8 36. Re8#

Jun-12-14
Premium Chessgames Member
  Oxspawn: Thanks dfcx. Nice to see that even on Thursday white has the potential for a queen sacrifice at the end.
Jun-12-14  fokers13: got it.

a strange one to be sure with seemingly innocuous but powerful moves.

Jun-12-14
Premium Chessgames Member
  Penguincw: My thoughts were 30.Nf5, followed by 30...Bxf5 31.Nxc6, but that doesn't really lead to anything.
Jun-12-14
Premium Chessgames Member
  al wazir: <shivasuri4: After 32...Bc6, White wins with 33.Qc5+ Kg8 34.d5 Bd7 35.Qc8+ Bxc8 36.Re8#.> Thanks.
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