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Subject: Re: Is this move really the best?

Author: Jeremiah Penery

Date: 00:46:37 05/03/00

Go up one level in this thread


On May 02, 2000 at 23:16:02, blass uri wrote:

>On May 02, 2000 at 16:38:12, Stefan Meyer-Kahlen wrote:
>
>>I am sorry, I mean Rxe6.
>>
>>Stefan
>
>Yes
>
>For computer programs Rxe6 is clearly a mistake because I know no program that
>can find Rxe6 fxe6 Bh6.
>
>Objectively I am not sure about the result of Rxe6 fxe6 Bh6

My modified Crafty 17.10 found 2. Bh6 after a very long time:

13->  17:33   1.23   2. Nxe6 Qa5 3. Bxd7+ Kxd7 4. Nec5+
                     Ke8 5. Qd7+ Kf7 6. Nxb7 Rcd8 7. Qc6
                     Qc7 8. Nxd8+ Rxd8 <HT>
14    29:19     --   2. Nxe6
14    85:14  -0.05   2. Nxe6 Qa5 3. Bxd7+ Kxd7 4. Nec5+
                     Ke8 5. Qd7+ Kf7 6. Nxb7 Rc7 7. Nd6+
                     Kg7 8. Qe6 Bxd6 9. Qxd6 Re8 10. Bg5
                     Rc2
14-> 175:19  -0.05   2. Nxe6 Qa5 3. Bxd7+ Kxd7 4. Nec5+
                     Ke8 5. Qd7+ Kf7 6. Nxb7 Rc7 7. Nd6+
                     Kg7 8. Qe6 Bxd6 9. Qxd6 Re8 10. Bg5
                     Rc2
15   211:17  -0.05   2. Nxe6 Qa5 3. Bxd7+ Kxd7 4. Nec5+
                     Ke8 5. Qd7+ Kf7 6. Nxb7 Rc7 7. Nd6+
                     Kg7 8. Qe6 Bxd6 9. Qxd6 Re8 10. Bg5
                     Rc2
15   417:48   0.00   2. Bh6 Nf6 3. Nxe6 Qa5 4. Bxd7+ Nxd7
                     5. Ng7+ Kd8 6. Ne6+ Ke8 7. Ng7+ Kd8
15-> 505:40   0.00   2. Bh6 Nf6 3. Nxe6 Qa5 4. Bxd7+ Nxd7
                     5. Ng7+ Kd8 6. Ne6+ Ke8 7. Ng7+ Kd8

But it would take a lot longer even to find it from the root.



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