Author: Melvin S. Schwartz
Date: 13:36:09 03/07/00
Go up one level in this thread
On March 07, 2000 at 15:02:33, Jeremiah Penery wrote:
>On March 07, 2000 at 12:00:13, Melvin S. Schwartz wrote:
>
>>On March 07, 2000 at 06:41:41, Jeremiah Penery wrote:
>>
>>>On March 06, 2000 at 11:31:44, Melvin S. Schwartz wrote:
>>>
>>>>[D] r1nqr1k1/pp3p2/3p2pB/1NpPb2n/2P5/3B3P/PP3P2/R2QK1R1 b ---Q 0 1
>>>
>>>My modified Crafty plays Bxb2+. It doesn't like Bh2+, and doesn't even play 2.
>>>...Bxg1 when searched. After 1. ...Bh2+ 2. Kd2 Bxg1 3. Qxg1, white has a
>>>dangerous potential attack on g6. Here's what it gives in this line after
>>>searching each subsequent position for several minutes, and playing the best
>>>move each time. Evaluations (for the side to move) and depth included:
>>>
>>>1. ...Bh2+ 2. Kd2 Bxg1 3. Qxg1 Kh7 {12, 0.58} 4. Bg5 {12, -0.58} Qd7 {12, .65}
>>>5. Qg4 {13, -0.31} f5 {14, .66} 6. Qh4 {14, -0.38}
>
>I continue: 6. ...a6 {16, 0.00} 7. Nc3 {15, 0.06}, and white is at least equal.
>Black must give back the exchange, and his king is much more exposed than
>white's.
>
>>>{And here it failed low on a6
>>>on ply 15 and returned a draw score. It is now searching other moves after 300
>>>minutes. I must retire for the night, however, and so I will let this run.
>>>I'll try to report back in the morning (I have to be up in 4 hours. :)}
>>>
>>>I suspect that some of these moves may be sub-optimal. Can anyone suggest some
>>>better alternatives before I go any further here?
>>
>>Hello Jeremiah,
>>
>>I cannot see Bxb2+ as accomplishing anything other than being a materialistic
>>move. The Rook at g1 appears to be a most dangerous piece in this position -
>
>I think this is correct. :)
>I didn't look carefully enough at my answer. I guess I meant to say that Bxb2
>isn't too good, but I don't think Bh2 is all that good, either. Both expose
>black to a potentially strong attack.
>
>>what do you think? What also interests me is Rebel-Tiger's move Bf4+ with the
>>intention of taking White's Bishop at h6 after the King moves out of check. You
>>might want to explore Bf4+ and after the King moves, BxB and see what Crafty
>>comes up with then? Of course there is the possibility that White could block
>>the check with Be2 but that is another variation to ponder.
>
>I'll have to look at this. A quick look, and I saw something like: Bf4+ Be2
>Bxh6 Qd3
>
>>White's Kingside attack is indeed dangerous and that's why I felt the need to
>>eliminate the Rook at g1.
>>
>>In your line above, you have Qxg1 which is not possible and should be Kxg1.
>
>After 1. ...Bh2 2. Kd2! Bxg1, 3. Qxg1 is possible. And dangerous for black,
>IMO.
After Kd2, I would probably play Qf6. Now, the rest depends on what White does
next. If you give me the answer to Qf6, I will give you my reply. I can tell you
that after Nc7 I would play Bxg1, Nxe8, Qxb2+ Bc2, Bxf2. Of course White does
not have to play Nc7 or Nxe8 but I just wanted to give you a possible scenario.
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