Author: Pete Galati
Date: 13:38:26 03/11/00
Go up one level in this thread
On March 11, 2000 at 15:22:08, James Robertson wrote:
>On March 11, 2000 at 15:15:51, James Robertson wrote:
>
>>In a recent Winboard tournament Insomniac reached this position against Zarkov:
>>
>>[-]2rqkn1r/p3bppp/2p1b3/1p4N1/3PN3/8/PP2QPPP/R1B2RK1 w k -
>>
>>Insomniac played 1. Re1 sacrificing the d4 pawn. It won after
>>1. ... Qxd4 2. Be3 Qe5 3. f4 Qb8 4. f5 Bxg5 etc.
>
>This should read 1. ... Qxd4 2. Be3 Qe5 3. Rad1 Rd8 4. Rxd8 Bxd8 5. f4 Qb8 6. f5
>Bxg5
>
>>
>>Is Re1 really the best move? Is there a better defense for black? What do other
>>programs think?
>>
>>Analysis appreciated.
>>
>>James
This is Crafty on my slow computer while I went off and watched TV for a while,
I have no idea if a faster computer would have turned anything else up with
deeper depths, probably would, maybe someone with a newer machine?
Pete
White(1): hash=12m
hash table memory = 12M bytes.
White(1): read insom.pgn
+---+---+---+---+---+---+---+---+
8 | | | *R| *Q| *K| *N| | *R|
+---+---+---+---+---+---+---+---+
7 | *P| | | | *B| *P| *P| *P|
+---+---+---+---+---+---+---+---+
6 | | | *P| | *B| | | |
+---+---+---+---+---+---+---+---+
5 | | *P| | | | | N | |
+---+---+---+---+---+---+---+---+
4 | | | | P | N | | | |
+---+---+---+---+---+---+---+---+
3 | | | | | | | | |
+---+---+---+---+---+---+---+---+
2 | P | P | | | Q | P | P | P |
+---+---+---+---+---+---+---+---+
1 | R | | B | | | R | K | |
+---+---+---+---+---+---+---+---+
a b c d e f g h
White(1): d
White(1): analyze
clearing hash tables
time surplus 0.00 time limit 30.00 (3:00)
nss depth time score variation (1)
6 6.96 0.80 1. Qe3 f5 2. Nf6+ Bxf6 3. Nxe6 Qe7
4. Nc5 Qxe3 5. fxe3
6-> 14.91 0.80 1. Qe3 f5 2. Nf6+ Bxf6 3. Nxe6 Qe7
4. Nc5 Qxe3 5. fxe3
7 20.22 0.48 1. Qe3 h6 2. Nf3 Nd7 3. a4 O-O 4. axb5
7 44.15 0.73 1. Rd1 Bc4 2. Qh5 g6 3. Qh6 f5 4. Ng3
7-> 56.53 0.73 1. Rd1 Bc4 2. Qh5 g6 3. Qh6 f5 4. Ng3
8 1:04 0.67 1. Rd1 Bc4 2. Qh5 g6 3. Qh6 f5 4. Nc3
a5
8-> 2:20 0.67 1. Rd1 Bc4 2. Qh5 g6 3. Qh6 f5 4. Nc3
a5
9 3:14 0.59 1. Rd1 Bc4 2. Qh5 g6 3. Qh6 f6 4. Nh3
Kf7 5. Bf4
9 6:08 0.60 1. Re1 Qxd4 2. Be3 Qe5 3. f4 Qf5 4.
Ng3 Qf6 5. N3e4
9 6:48 0.62 1. Qe3 h6 2. Nf3 Ng6 3. a4 O-O 4. axb5
Qd7 5. bxc6 Rxc6
9-> 9:04 0.62 1. Qe3 h6 2. Nf3 Ng6 3. a4 O-O 4. axb5
Qd7 5. bxc6 Rxc6
10 9:46 -- 1. Qe3
10 10:52 0.01 1. Qe3 h6 2. Nxe6 Nxe6 3. a4 b4 4.
Nc5 Nxc5 5. dxc5 O-O 6. Re1 Re8
10 12:30 ++ 1. Re1!!
10 16:05 0.54 1. Re1 Qxd4 2. Be3 Qe5 3. f4 Qc7 4.
Nxe6 fxe6 5. Rad1 Kf7 6. Rd4
10-> 28:34 0.54 1. Re1 Qxd4 2. Be3 Qe5 3. f4 Qc7 4.
Nxe6 fxe6 5. Rad1 Kf7 6. Rd4
White(1): exit
White(1): q
execution complete.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.