Author: Mike Byrne
Date: 17:13:02 10/18/02
Go up one level in this thread
On October 18, 2002 at 19:31:16, Mike Byrne wrote:
>On October 18, 2002 at 12:10:06, Will Singleton wrote:
>
>>Adjusted position with the h7 pawn moved to h6, which prevents Ng5.
>>I would be surprised if any amateur program can find this, other
>>than Ruffian.
>>
>>[D]r1b1k2r/pp3pp1/4pb1p/2n5/3RB3/4BN2/PqP1QPPP/3R2K1 w kq - 0 1
>>
<snip>
(s=4)
> 13 5:08 ++ 1. Rd8+!!
> 13-> 9:31 -0.35 1. Rd8+ (s=4)
> 14 11:09 ++ 1. Rd8+!!
13 5:08 ++ 1. Rd8+!!
13-> 9:31 -0.35 1. Rd8+ (s=4)
14 11:09 ++ 1. Rd8+!!
14-> 27:47 0.04 1. Rd8+ (s=2)
White(1): ?
time=39:46 cpu=197% mat=-1 n=2399889411 fh=93% nps=1005k
ext-> chk=105990760 cap=6704067 pp=17750 1rep=5102493 mate=853119
predicted=0 nodes=2399889411 evals=537645575
endgame tablebase-> probes done=0 successful=0
SMP-> split=1453 stop=268 data=9/64 cpu=78:28 elap=39:46
yikes -- no pv -- so after these moves , we have this position..
after ....
1. Rd8+ Bxd8
2. Bxc5 Bf6
here's the position it is perhap this one where 3.Qd3 is so convincing
[d]r1b1k2r/pp3pp1/4pb1p/2B5/4B3/5N2/PqP1QPPP/3R2K1 w kq
White(3): go
clearing hash tables
time surplus 0.00 time limit 100:00 (100:00)
depth time score variation (1)
2-> 0.02 -1.01 3. Bd5 Bd7
3 0.02 -0.85 3. Bd5 Bd7 4. Nd4
3-> 0.02 -0.85 3. Bd5 Bd7 4. Nd4
4 0.03 -1.18 3. Bd5 Bd7 4. Bd4 Bxd4 5. Nxd4
4 0.03 -1.03 3. a4 Bd7 4. a5 h5
4-> 0.06 -1.03 3. a4 Bd7 4. a5 h5 (s=5)
5 0.06 -1.06 3. a4 Bd7 4. a5 Qb5 5. Qe3 Qxa5 6.
Bxb7 (s=4)
5 0.11 -1.05 3. Qd3 a6 4. a4 Qc3 5. Qd6
5 0.17 -0.93 3. Nd4 a6 4. Qc4 Bd7 5. Bd6
5-> 0.17 -0.93 3. Nd4 a6 4. Qc4 Bd7 5. Bd6 (s=2)
6 0.22 -1.23 3. Nd4 a6 4. Qc4 Bd7 5. Bd6 Rd8
6 0.27 -1.22 3. Qd3 a6 4. a4 Qc3 5. Qd6 h5
6 0.38 -1.18 3. Ne1 Be5 4. Nd3 Qc3 5. Qf3 Qxc2 6.
Nxe5 Qxc5 7. Qxf7#
6-> 0.55 -1.18 3. Ne1 Be5 4. Nd3 Qc3 5. Qf3 Qxc2 6.
Nxe5 Qxc5 7. Qxf7# (s=4)
7 0.95 -1.02 3. Ne1 a5 4. f4 Bd7 5. Qd2 Bc6 6. Bxc6+
bxc6 (s=3)
7 1.31 ++ 3. Nd4!!
7 1.48 -0.74 3. Nd4 a6 4. Qf3 Rb8 5. a4 Bd7 6. Bd6
7-> 1.69 -0.74 3. Nd4 a6 4. Qf3 Rb8 5. a4 Bd7 6. Bd6
(s=3)
8 2.00 -0.94 3. Nd4 a6 4. Qf3 Be7 5. Nc6 Bg5 6.
Bd4 Qxa2 7. Bxg7 (s=2)
8-> 2.81 -0.94 3. Nd4 a6 4. Qf3 Be7 5. Nc6 Bg5 6.
Bd4 Qxa2 7. Bxg7 (s=2)
9 3.98 -0.56 3. Nd4 Bd7 4. Nf5 Be5 5. Bxb7 Rd8 6.
Rd5 Bxh2+ 7. Kxh2 Qxb7 8. Nxg7#
9-> 5.31 -0.56 3. Nd4 Bd7 4. Nf5 Be5 5. Bxb7 Rd8 6.
Rd5 Bxh2+ 7. Kxh2 Qxb7 8. Nxg7# (s=2)
10 6.92 -0.59 3. Nd4 Bd7 4. Nf5 Be5 5. Bxb7 Rd8 6.
Ba6 Ba4 7. Rxd8+ Kxd8 8. Ne3 Ke8
10 14.53 -0.48 3. Nd2 Qxa2 4. Nc4 Be7 5. Bd4 Qa4 6.
Bxg7 Rg8 7. Bxh6 Bg5
10-> 14.55 -0.48 3. Nd2 Qxa2 4. Nc4 Be7 5. Bd4 Qa4 6.
Bxg7 Rg8 7. Bxh6 Bg5 (s=3)
11 22.98 -0.26 3. Nd2 Qe5 4. Qb5+ Bd7 5. Qxb7 Rd8
6. Qxa7 Qh5 7. Bf3 Qf5 8. Be4 Qf4 (s=2)
11 40.92 ++ 3. Nd4!!
11 2:25 1.25 3. Qd3 a6 4. Qd6 Qb5 5. Ne5 Rg8 6.
Qc7 Rf8 7. Bd3 Qb2 8. Bxf8 Qxe5
11-> 2:25 1.25 3. Qd3 a6 4. Qd6 Qb5 5. Ne5 Rg8 6.
Qc7 Rf8 7. Bd3 Qb2 8. Bxf8 Qxe5
12 2:44 1.27 3. Qd3 Be7 4. Ne5 O-O 5. Bh7+ Kh8 6.
Bxe7 Qxe5 7. f4 Qh5 8. Bxf8 g6 9. Bxg6
fxg6
White(3): ?
time=2:50 cpu=198% mat=-2 n=179247550 fh=93% nps=1050k
ext-> chk=8739009 cap=563924 pp=586 1rep=701018 mate=170696
predicted=0 nodes=179247550 evals=33095350
endgame tablebase-> probes done=0 successful=0
SMP-> split=544 stop=80 data=7/64 cpu=5:38 elap=2:50
White(3): Qd3
Mike
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