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< Earlier Kibitzing · PAGE 2 OF 2 ·
Later Kibitzing> |
| Apr-21-16 | | not not: to give up rook for a bishop and a pawn - and attack with other rook and queen - is an easy plan to make but I see no easy follow up |
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| Apr-21-16 | | not not: 34 Rb5?? is it sound??
why to give up rook on h1, not better to play Rh1d1?? to connect rooks?? |
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| Apr-21-16 | | diagonalley: <diagonalley>: nul points :-( |
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Apr-21-16
 | | Dionysius1: In the final position white is threatening mate with g6 if Black ever stops checking him |
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| Apr-21-16 | | gofer: I found this really hard. Much more like a <Saturday> than a <Thursday>! <32 ... Rxc4>
Only two choices for white; bxc4 and Qxc4
33 Qxc4 Qg2!
34 Qf1 Rxb3+ (34 Rb1 Bxh4!  any other rook move Rxb3+  )
35 Rd3 Qg3+
36 Kd2 Rxd3+
37 Qxd3 Qg2+
<33 bxc4 Rb3+>
<34 Rd3 Qd4+!>
<35 Kd2 Rb2+>
36 Kc1/Kd1 Rb1+
<36 Kc1 Qb6!>
click for larger viewBlack threatens Rb1+ winning the queen for a rook! This is way beyond a normal Thursday but REALLY instructive! 37 Rd1 Rf2
<37 Qf3 Qb4!>
<38 Rc3 Ra2!>
<39 Kd1 Qb2!>
<40 Qe3 Ra1+>
<41 Rc1 Rxc1+>
<42 Qxc1 Qg2!>
<43 Re1 Qxg4+>
click for larger viewFinally black exploits the same weakness as in the other line and enters
into a Q+R v Q+B+2P endgame...
Very difficult indeed!
~~~
Okay the line played was slightly different, but White cannot allow <33 ... Qg2>... |
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| Apr-21-16 | | morfishine: Material wise, I couldn't really tell much difference between 32...Rxc4 & 32...Rxb3 ...but one had to appreciate the Black Queen penetrating to <g2> ***** |
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| Apr-21-16 | | psmith: <al wazir> does this work?
34. Rhd1 Rxb3+ 35. R1d3 Bxh4! (Threat Bg5#) 36. Rxb3 Bg5+ 37. Kd3 Qd2#? |
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| Apr-21-16 | | psmith: But in that line 35. R5d3 is another try. I don't have a reply to that yet. |
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| Apr-21-16 | | leRevenant: Has the weekend come early this week? |
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| Apr-21-16 | | tatarch: <agb2002: According to Stockfish, 32... Bd8 fails due to 33.Kf3.> Thanks - I spent some time looking at that one too. |
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| Apr-21-16 | | YetAnotherAmateur: <alfiere nero> That is a good question. On move 34, I see why the Rh1 can't move: If it does, then black responds with 34. ... Bxh4 followed by Bg5# Also, the white queen must maintain contact with b3, or 34. ... Rxb3#. So either the d4 rook or the king is moving. From that, I think white would have done better with 34. Rdd1 Qxg4 35. h5, which concedes a pawn but saves the pieces, and leaves white with a chance to push the b-pawn. |
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| Apr-21-16 | | kevin86: i missed this one after the second move :( This one is more complicated than I thought. |
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| Apr-21-16 | | wooden nickel: After missing 33... Qg2, I tried 32... Ld8?! ... but 33.Kf3 seems to be ok for White. |
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| Apr-21-16 | | devere: My intuition didn't tell me that after 32...Rxc4 33.Qxc4 Qg2 34.Rb1 Bxh4 White has no good defense.
click for larger viewIt's a very difficult and educational problem. |
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| Apr-21-16 | | Castleinthesky: Luckily this is guess the right move, which I did (see the whole combination?-fogettaboudit!) |
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Apr-21-16
 | | Jimfromprovidence: <devere> <My intuition didn't tell me that after 32...Rxc4 33.Qxc4 Qg2 34.Rb1 Bxh4 White has no good defense.>
click for larger viewThat is true enough. At least we know that the main threat is mate in two after 35...Bg5+. So if white plays 35 Kd3 to avoid that this is what the position looks like. 
click for larger view
Looks real tough to crack.
Rybka freeware suggests 35… Ra8!, but why?
click for larger view |
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| Apr-21-16 | | devere: <Rybka freeware suggests 35… Ra8!, but why?> So that on
36.Kc3 Be1+ 37.Rxe1 Qg3+ 38.Kd2 Ra2+ 39.Kd1 Ra1+ 40.Kc2 Qxe1 41.Kb2 Rb1+ 42.Ka3 Rc1
click for larger viewWhite loses his queen or gets checkmated.
This problem belongs in the "insane" category. |
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| Apr-21-16 | | King.Arthur.Brazil: JIM, I agree with you, my friend!After 34... Bxh4, 35.Qe2 and what? Qh3+ 35.Qf3 Sg5+ 36.Ke2 Qh2+ 37.Kf1 where's the winning move? White still has the pieces and no mate. |
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| Apr-21-16 | | devere: <King.Arthur.Brazil: JIM you must take a providence! I don't agree with you again, my friend!(lgs) After 34... Bxh4, 35.Qe2 and what? Qh3+ 35.Qf3 Sg5+ 36.Ke2 Qh2+ 37.Kf1 where's the winning move? White still has the pieces and no mate.> 32...Rxc4 33.Qxc4 Qg2 34.Rb1 Bxh4 35.Qe2 Bg5+ 36.Kd3 Qg3+ 36.Kc4 Rc8+ 37.Kb5 Qc3
click for larger view
White has no defense |
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| Apr-21-16 | | PJs Studio: This puzzle is tough. Rxb3 or Rxc4 are both in the air plus...Bd8 looks rather nasty too. Nothing concrete in my analysis because I couldn't see 33...Qg2!! devere, you might just be right about the insanity level. |
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| Apr-21-16 | | morfishine: <devere> Nice posting along with <jimfromprovidence> ***** |
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| Apr-21-16 | | wtpy: I found this a really hard problem as well. Saw qg2 but could never quite calculate it to a comfortable win, so gave up, vowing no etoh before solving problem of day. After seeing the difficulties everyone else had solving it,I am giving up that silly thought and having another beer. |
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| Apr-21-16 | | CHESSTTCAMPS: In this opposite-colored bishop attacking position, white's king on e3 is lacking reliable shelter, especially with an enemy queen behind the lines. Even though the white bishop, queen, and Rd5 are usefully positioned to defend the king, the Rh1 is not. The b3-Bc4 barrier is critical to white's defense. This suggests an exchange sacrifice to break it. 32... Rxc4!
Ineffective is 32... Rxb3+ 33.Bxb3 Rc3+ (Qxb3+ 34.Re3 creates a solid king shelter on the 3rd rank) 34.Rd3 Rxd3+ 35.Qxd3, allowing too much simplification. A.33.Qxc4 Qg2 34.Rhd1 Rxb3+ 35.R5d3 (Qxb3 Qg3+ wins the Q) Qg3+ 36.Ke2 Qxg4+ 37.Kf1 Rb1+ 38.Kf2 Bxh4+ wins. B.33.bxc4 Rb3+ 34.Rd3 Qd4+ 35.Kd2 (Ke2 Qxd3+ wins) Rb2+ 36.Kc1 (otherwise 36... Rb1+ wins) Qb6! 37.Qh3 Qf2 38.Rc3 (otherwise 38... Qc2+/# followed by Rb1+/#) Qd2# B.1 37.Qf3 (otherwise 37... Rb1+ wins the queen) Rf2 38.Q moves Qb2+ followed by 39... Qb1+ finishes. Time for review.... |
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| Apr-22-16 | | CHESSTTCAMPS: Got a lot of it, but not all. |
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Apr-22-16
 | | al wazir: <psmith: does this work?> Yes, it does! Beautiful! But what if white plays 35. R5d3 instead of 35. R1d3 ? |
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Kibitzing
sac: 32...Rxc4