Author: Kolss
Date: 12:55:23 11/16/02
Go up one level in this thread
On November 16, 2002 at 10:34:14, Steffen Basting wrote:
>Hi!
>A position of a game I played:
>[D] 4n3/2q3kb/1p6/2p1P1p1/1PPp1QNb/7B/7P/B5K1 w - - 0 1
>
>How long does it take your engine to play Nf6 and then Fail Low on it?
>
>Regards, Steffen
Ikarus (V0.29) on a slow computer (K6/2 with 475 MHz; 8 MB Hash) fails low on
Nf6 (played from the very beginning) after 27 seconds (Ply 13) and switches to
Qf3 after 38 seconds; however, it takes more than 10 minutes to resolve the
fail-high on Qf3 and get a value, but then it sticks to the move.
2 0 FailHigh 1. Nf6!
12 23 +0.20 1. Nf6 gxf4 2. Nxe8+ Kh6 3. Nxc7 f3 4. Bf1 Be4 5. Bxd4
cxd4 6. Bh3 f2+
13 27 FailLow 1. Nf6? gxf4 2. Nxe8+ Kh6 3. Nxc7 f3 4. Bxd4 cxd4 5. Bg4
f2+ 6. Kf1 Bd3+ 7. Be2 Bxe2+ 8. Kxe2 d3+ 9. Kf1 d2
13 28 FailLow 1. Nf6? gxf4 2. Nxe8+ Kh6 3. Nxc7 f3 4. Bxd4 cxd4 5. Bg4
f2+ 6. Kf1 Bd3+ 7. Be2 Bxe2+ 8. Kxe2 d3+ 9. Kf1 d2
13 35 -8.40 1. Nf6 gxf4 2. Nxe8+ Kh6 3. Nxc7 f3 4. Bg4 f2+ 5. Kf1
Bd3+
6. Be2 Bxe2+ 7. Kxe2 d3+ 8. Kf1 d2 9. Ke2 f1=Q+ 10. Kxf1
d1=Q+ 11. Kg2 Qxa1
13 38 FailHigh 1. Qf3!
13 617 -0.27 1. Qf3 Bg8 2. Qa8 Qe7 3. Qb8 Qf8 4. Qa7+ Qf7 5. Qb8 Qg6
6. bxc5
Regards, Munjong.
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