Author: blass uri
Date: 17:41:56 05/03/00
Go up one level in this thread
On May 03, 2000 at 03:46:37, Jeremiah Penery wrote: >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. I guess that your modified Crafty likes sacrifice too much and can find also wrong sacrifices. It does not see the big problem with 2.Nxe6 I guess that if you push the position forward it will see that the position after 2.Nxe6 Qa5 3.Bxd7+ Kxd7 4. Nec5 Ke8 5. Qd7+ Kf7 6. Nxb7 Rc7 is bad for white and 7.Nd6+ Kg7 8.Qe6 Bf6 is good for black. Uri
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