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Olga Girya vs Alina Kashlinskaya
67th Russian Championship Higher League (Women) (2014), Vladivostok RUS, rd 5, Jun-08
Slav Defense: Czech Variation. Classical System (D18)  ·  1-0
ANALYSIS [x]

FEN COPIED

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sac: 35.Rxf7 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Oct-13-15
Premium Chessgames Member
  Infohunter: Limited retreat space, followed by overtaxed defender, back rank variety. Nice one.
Oct-13-15  kungfufighter888: Actually this game is about never exposed your queen too early. The black queen make too many moves just to escape all those threats and eventually get trapped.
Oct-13-15  Al2009: Why 33.Bc5?

After 33. Bxb6! Rxb6 34. Qc5! Black's position collapses immediately, for instance

a) 34...Rbb8 35. Qe7! (after 36 Bxf7+ how can Black defend g7?)

b) 34...Qb1 35. Bxf7! Rxf7 36. Rd8+ and wins

c) 34...Rfb8 35. Qxb6!

Oct-13-15  saturn2: White is down a piece but can force black to a queen/rook exchange by Rd1. I had the game line in half a minute.
Oct-13-15  Cheapo by the Dozen: I got to the game line easily, but then was seduced by Qc4 instead because I missed the ... Nd5 defense.

A rare Tuesday miss for me. :(

Oct-13-15  Prudov: Capablanca showed a century ago when to put your queen on b2 <O Bernstein vs Capablanca, 1914>
Oct-13-15  wooden nickel: The defense upon 36.Qc4 is a bit tricky for just a Tuesday puzzle... funny how many rook moves win one move earlier


click for larger view

35.Rxc6, Ra7, Rd1 and the text move Rxf7 all win!

Oct-13-15
Premium Chessgames Member
  patzer2: Found today's Tuesday solution, with the Queen trap 36. Rd1, easy enough.

Black can improve over <28...a5? 29. Rd3! > with 28...c5! = (+0.25 @ 25 depth, Deep Fritz 14) when play might continue 29.Rd3 Qa1+ 30.Kg2 c4 31.Bxc4 Nxc4 32.Qxc4 Nb6 =.

Oct-13-15
Premium Chessgames Member
  patzer2: <wooden nickel: The defense upon 36.Qc4 is a bit tricky for just a Tuesday puzzle...>

After 36. Qc4!? (diagram below),


click for larger view

36...Rbf1?? loses to 37.Qxf7+ Rxf7 38.Rd8+ Ne8 39.Rxe8#

Instead, giving back the extra piece to block the pin with <36...Nd5 37.exd5 Rf4> =, as noted above by <dfcx>, bails Black out of trouble.

Oct-13-15  wooden nickel: Yes, I just meant Black's defense would still be tricky: 36.Qc4 Nd5 37.exd5 Rf4 38.Qc2... If Kh8? then 39.Rd1 again!


click for larger view

Oct-13-15
Premium Chessgames Member
  agb2002: White has the bishop pair for a rook, two knights and a pawn.

Black is probably considering h6, Nh5, Rb2 in appropriate moment and order.

If the pawn on a4 were white the 36.Qb3 would be crushing (36... Rbf8 37.Qxf7+ Rxf7 38.Rd8+ Ne8 39.Rxe8#; 36... Qxa2 37.Qxb8+ and mate in two).

A direct attack against the king with 36.Qc4 seems to be problematic after 36... Nd5 37.exd5 Rf6.

Also, 36.Bxf7+ Kxf7 37.Qc4+ Kg6 38.f4 exf4 is no clear.

The only alternative I can find is trapping the black queen with 36.Rd6 (36... Rb2 37.Rd8+ and mate next) and then taking advantage of the pinned rook and the weak pawns.

Oct-13-15
Premium Chessgames Member
  Penguincw: It's Monday! Oh wait, that was yesterday. It's Tuesday!

Anyway, at first I considered taking on f7, and also loading a battery on f7, or taking advantage of some back rank stuff.

Now in the puzzle, the only moves played were 36.Rd1 Qb2 37.Qxb2, which is what I got, and as far as I calculated. However, if black played 37...Rxb2, I would miss the mate in 2 coming up, and take on f7. :|

Oct-13-15  Lambda: It's hard to tell that you've solved this one, because the win after Qxd1 or Qxa2 isn't as clear as you'd expect on a Tuesday, so you think there will be something better.
Oct-13-15
Premium Chessgames Member
  whiteshark: You know, <there is a difference between knowing the path, and walking the path.>
Oct-13-15
Premium Chessgames Member
  Oxspawn: Yesterday I suggested there were three sorts of puzzle – much too easy, ridiculously hard and those ones I think I can do, but can’t. This was the third category. I am going to show my ridiculous ponderings just so Chessgames can see it was indeed a chewy Tuesday. Good puzzle. Fail. ....
Black is a rook to the good but the black queen is parked behind the shopping centre wonder what she has done with the car keys.

36. Bxf7+ Kxf7 looks tempting followed by
37 Qb4+ Ke8
Then what? White looks better but I don’t see quick mate. Try delaying the strike

36. Qc4 threatening mate on f7. The black rook on b1 cannot defend on f8. The black queen can sacrifice herself by taking the bishop but then the game is over. 36. Qc4 Rb2
37. Rd8+ and black can only delay mate by intervening with an undefended knight. 36. Qc4 Kh1
37. Qxf2 …. Not sure where this goes now. Has black a strong move? If not white can play 38. Rd7 and after Rg8, 39. Bf8 focusing on a mate on g7. This seems a bit iffy and long-winded for a Tuesday. Damn you chessgames. I am going to have to cheat… I mean look.

Oct-13-15
Premium Chessgames Member
  gawain: I guess the Tuesdayness of this puzzle lies in the back rank mate--if Black moves the tempting but wrong 36...Qb2. I felt I was missing something because at that point Black should obviously play 36...Qxd1 and force White to work for the win.
Oct-13-15  CHESSTTCAMPS: White is down a rook and a pawn, but one of black's rooks is pinned, the queen is virtually trapped, and white's two bishops exercise substantial board control. The black queen is the easiest target:

36.Rd1! wins the queen or mates soon.

A. 36... Qb2 37.Qxb2 Rxb2 38.Rd8+ Ne8 39.Rxe8#

B. 36... Rb2 37.Rd8+ forces mate.

C. 36... Qxd1 37.Qxd1 g6 38.Qxa4 (threatening Qa7) Nc7 39.Qa7 Rc8 40.Qb7 R moves 41.Qxc7 wins.

C.1 37... Nc7 38.Bd6 Nfe8 39.Bxc7 Nxc7 40.Bxf7+ Kxf7 41.Qd7+ wins the knight.

D. 36... Qxa2 37.Qxa2 g5 (to unpin rook and stop f4) 38.Qxa4 with material and position advantage to white looks like black's best chance.

36.Qc4 also appears winning. Time for review....

Oct-13-15
Premium Chessgames Member
  thegoodanarchist: Took me a bout 10 to 12 seconds to find the solution. Is that good or bad?
Oct-13-15
Premium Chessgames Member
  kevin86: I saw a possible queen trap and a back rank mate. This unusual puzzle combines the two. 36 ♖d1 ♕b2 37 ♕xb2 ♖xb2 38 ♖d8+ and black is mated on the following move.
Oct-13-15
Premium Chessgames Member
  patzer2: <wooden nickel> Thanks! This is tricky for the novice and the advanced player.

After 36. Qc4 Nd5 37. exd5 Rf4 38. Qc2 (diagram below)


click for larger view

38...e4! does the trick as Black survives after 39. fxe4 Qe5 = (+0.28 @ 22 depth, Deep Fritz 14).

However, on a deep second look with Fritz, Black might be better after 36. Qc4 Nd5 37. exd5 (diagram below)


click for larger view

playing 37...Kh8 = (0.03 @ 24 depth, Deep Fritz 14) when play might continue 38. dxc6 Rf6 39. Rd6 e4 40. Bd4 exf3+ 41. Kh3 Qxa2! 42. Qxa2 Rxd6 = when two Rooks for the Queen provides active counter play.

Oct-13-15
Premium Chessgames Member
  Bubo bubo: After 36.Rd1 the cornered black queen is short of flight squares: 36...Qb2 fails to 37.Qxb2 Rxb2 38.Rd8+ with mate next move, as does 36...Rb2 37.Rd8+. Therefore White will win the queen for a rook, and Black will soon lose more material, e.g. the pinned Rf7.
Oct-13-15  dark.horse: Tricky. Black's back rank being sufficiently covered, we reluctantly look for other moves, and we find Rd1.
Oct-13-15  The Kings Domain: Didn't get this. I thought the best move was 36) Bxf7 followed by mate in three if black doesn't make the right move. Good puzzle.
Apr-13-16  Al2009: It's incredible to see so much disonesty as here, in these ridicolous "comments".

I clearly wrote above that 33.Bc5? is WRONG, and White wins at once after 33.Bxb6! Rxb6 34. Qc5! but nobody spent a line to comment my correct suggestion (and I as alwyas was analyzing WITHOUT COMPUTER!)

So, I believe it is true that chess now is a bakrupt game, and in a few years less and less persons are playing it, because many players went gaga, by using computers without using their own minds, even uncapable to read and understand what other people are writing...

I repeat again:

Why 33.Bc5?

After 33. Bxb6! Rxb6 34. Qc5! Black's position collapses immediately, for instance

a) 34...Rbb8 35. Qe7! (after 36 Bxf7+ how can Black defend g7?)

b) 34...Qb1 35. Bxf7+! Rxf7 36. Rd8+ and wins

c) 34...Rfb8 35. Qxb6!

We can add

d) 34...Ne8 35. Bxf7+! Rxf7 36. Rd8!! Rxc7 37. Rxe8+ Kf7 38. Qf8+ Kg6 39. Re6+ and then mate

Both dishonest, and ungenerous in not admitting that someone found very good moves without those f...ing computers...

Apr-13-16  Al2009: It's incredible to see so much disonesty as here, in these ridicolous "comments".

I clearly wrote above that 33.Bc5? is WRONG, and White wins at once after 33.Bxb6! Rxb6 34. Qc5! but nobody spent a line to comment my correct suggestion (and I as always was analyzing WITHOUT COMPUTER!)

So, I believe it is true that chess now is a bakrupt game, and in a few years less and less persons are playing it, because many players went gaga, by using computers without using their own minds, even uncapable to read and understand what other people are writing...

I repeat again:

Why 33.Bc5?

After 33. Bxb6! Rxb6 34. Qc5! Black's position collapses immediately, for instance

a) 34...Rbb8 35. Qe7! (after 36 Bxf7+ how can Black defend g7?)

b) 34...Qb1 35. Bxf7+! Rxf7 36. Rd8+ and wins

c) 34...Rfb8 35. Qxb6!

We can add

d) 34...Ne8 35. Bxf7+! Rxf7 36. Rd8!! Rxc7 37. Rxe8+ Kf7 38. Qf8+ Kg6 39. Re6+ and then mate

Both dishonest, and ungenerous in not admitting that someone found very good moves without those f...ing computers

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