Author: Ed Schröder
Date: 03:02:20 09/24/01
Go up one level in this thread
On September 24, 2001 at 01:49:35, Michel Langeveld wrote:
>another solution found?
>
>======================================================================
>! ECM.1617 !
>======================================================================
>
> +---+---+---+---+---+---+---+---+
> 8 | *R| *N| | | | *R| *K| |
> +---+---+---+---+---+---+---+---+
> 7 | *P| *P| | *B| *P| *P| *B| *P|
> +---+---+---+---+---+---+---+---+
> 6 | | *Q| *P| | | | *P| |
> +---+---+---+---+---+---+---+---+
> 5 | | | | | P | | N | |
> +---+---+---+---+---+---+---+---+
> 4 | P | P | | P | B | | | |
> +---+---+---+---+---+---+---+---+
> 3 | | | P | | B | | | |
> +---+---+---+---+---+---+---+---+
> 2 | | | | | Q | | P | P |
> +---+---+---+---+---+---+---+---+
> 1 | R | | | | | R | K | |
> +---+---+---+---+---+---+---+---+
> a b c d e f g h
>
>solution 1. Nxh7
> time surplus 0.00 time limit 20:00 (20:00)
> nss depth time score variation (1)
> 6-> 0.62 1.04 1. Qa2 e6 2. Qf2 f5 3. exf6 Rxf6
> 7 0.76 0.87 1. Qa2 e6 2. Qf2 Qc7 3. Bf4 h6 4. Nf3
> 7 1.74 0.88 1. Qf2 a5 2. Nxf7 axb4 3. cxb4 Qxb4
> 4. Bg5
> 7 2.22 1.00 1. Rf2 h6 2. Nf3 a5 3. Qd2 axb4 4.
> cxb4
> 7-> 3.19 1.00 1. Rf2 h6 2. Nf3 a5 3. Qd2 axb4 4.
> cxb4
> 8 3.64 0.84 1. Rf2 h6 2. Nf3 a5 3. Qd2 axb4 4.
> cxb4 e6
> 8 6.26 0.93 1. Qf2 Qd8 2. b5 Qe8 3. bxc6 Nxc6 4.
> a5 e6
> 8 10.04 1.04 1. e6 Bxe6 2. Nxe6 fxe6 3. Qg4 Qd8
> 4. Qxe6+ Kh8 5. Bf4
> 8-> 10.63 1.04 1. e6 Bxe6 2. Nxe6 fxe6 3. Qg4 Qd8
> 4. Qxe6+ Kh8 5. Bf4
> 9 11.44 1.24 1. e6 Bxe6 2. Nxe6 fxe6 3. Qg4 Rxf1+
> 4. Rxf1 Kh8 5. Qxe6 Qc7
> 9-> 14.23 1.24 1. e6 Bxe6 2. Nxe6 fxe6 3. Qg4 Rxf1+
> 4. Rxf1 Kh8 5. Qxe6 Qc7
> 10 16.46 1.30 1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Kh8
> 4. Rxf8+ Bxf8 5. Qxe6 Qd8 6. Rf1 Nd7
> 10-> 32.85 1.30 1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Kh8
> 4. Rxf8+ Bxf8 5. Qxe6 Qd8 6. Rf1 Nd7
> 11 36.91 1.41 1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qc7
> 4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 Nd7
> 7. Rf7 Rd8
> 11-> 57.03 1.41 1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qc7
> 4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 Nd7
> 7. Rf7 Rd8
> 12 1:08 1.32 1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qd8
> 4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 a5
> 7. Qf7 Nd7
> 12-> 3:44 1.32 1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qd8
> 4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 a5
> 7. Qf7 Nd7
> 13 4:16 1.54 1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qd8
> 4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 Nd7
> 7. Rf7 Nf6 8. Qe5
> 13-> 6:45 1.54 1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qd8
> 4. Qxe6+ Kh8 5. Rxf8+ Bxf8 6. Rf1 Nd7
> 7. Rf7 Nf6 8. Qe5
> 14 8:34 1.50 1. e6 Bxe6 2. Nxe6 fxe6 3. Qc4 Qd8
> 4. Qxe6+ Kh8 5. Rxf8+ Qxf8 6. Rf1 Bf6
> 7. Bg5 Kg7 8. Rf2 Qf7
> time=20:01 cpu=99% mat=0 n=517825835 fh=90% nps=431047
> ext-> chk=14494777 pp=578838 1rep=1498995 mate=120778
> predicted=0 nodes=517825835 evals=117491948
> endgame tablebase-> probes done=0 successful=0
> hashing-> trans/ref=24% pawn=9% used=99%
>----------------------> solution incorrect (162/179).
Nxh7 not found after 11 minutes and 13 plies. However Rebel's move Qf2
and evaluation is interesting.
Ed
-------------------------------
00:00:23 10.00 1.78 1.e6 Bxe6 2.Nxe6 fxe6 3.Rxf8 Bxf8
4.Qg4 Qd8 5.Qxe6 Kh8 6.Rf1 Bg7 7.Bg5
Nd7 8.Bxe7 (21)
00:00:49 10.40 1.79 1.Qe1 h6 2.d5 Qc7 3.Nxf7 Rxf7 4.Rxf7
Kxf7 5.e6 Ke8 6.exd7 Nxd7 7.dxc6
bxc6 8.Bxg6 Kd8 (44)
00:00:58 11.00 1.70 1.Qe1 h6 2.Nxf7 Rxf7 3.Rxf7 Kxf7
4.e6 Bxe6 5.d5 c5 6.Bxc5 Qa6 7.dxe6
Qxe6 8.Bxb7 (52)
00:01:01 11.01 1.74 1.e6 Bxe6 2.Nxe6 fxe6 3.Rxf8 Bxf8
4.Qg4 Qd8 5.Rf1 Nd7 6.Bxg6 hxg6
7.Qxg6 Kh8 8.Qh5 Kg8 (58)
00:01:57 11.09 1.86 1.Qf2 Na6 2.e6 fxe6 3.Qh4 h6 4.Bxg6
e5 5.a5 Qb5 6.Bf7 Kh8 (91)
00:03:58 12.00 2.37 1.Qf2 Be8 2.Qh4 h6 3.Nh3 Kh7 4.Qxe7
00:06:25 13.00 2.60 1.Qf2 Na6 2.e6 fxe6 3.Qh4 h6 4.Bxg6
Rf6 5.Rxf6 exf6 (306)
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