Author: Mike Byrne
Date: 12:11:00 07/14/02
Go up one level in this thread
<snip>
>>>Ron
>>
>>Chessmaster 9000 says Qxd5 is the winning move, although it DOES pick Nd2
>>between 9 and 18 seconds.
>>
>>Time Depth Score Positions Moves
>>0:00 1/3 -1.43 6303 38...Rb4 39.Qh5 Kxg7 40.Rg1+ Kf8
>> 41.Qh8+ Ke7
>>0:00 1/4 -1.43 9541 38...Rb4 39.Qh5 Kxg7 40.Rg1+ Kf8
>> 41.Qh8+ Ke7
>>0:00 1/5 -1.13 34963 38...Rb4 39.Qh5 Kxg7 40.Nd4 Qb6
>> 41.Rg1+ Kf8 42.Qh8+ Ke7
>>0:02 1/6 -1.41 123632 38...Rb4 39.Qh5 Kxg7 40.Nd4 Qc7
>> 41.Nc6 Nf2+ 42.Kg2
>>0:04 1/7 -0.95 298883 38...Rb4 39.Qh5 Kxg7 40.Nd4 Qb6
>> 41.Qe5+ Qf6 42.Qxe4 Qxd4 43.Qxd4+
>> Rxd4 44.Rxb2 Rxd5
>>0:06 1/7 -1.27 459123 38...f6 39.Qf5 Rb4 40.Rg1 Nf2+
>> 41.Kg2 Ng4 42.Qe6+ Kxg7 43.Nc3
>>0:09 1/7 -1.78 670828 38...Nd2 39.Qh5 Rh4 40.Rxb2 Qxb2
>> 41.Qxh4 Qa1+ 42.Ng1 Qxg1+ 43.Kxg1
>> Nf3+ 44.Kf2 Nxh4
>>0:13 1/8 -3.17 1017561 38...Nd2 39.Qh5 Rh4 40.Rxb2 Qxb2
>> 41.Qxh4 Qa1+ 42.Ng1 Qxg1+ 43.Kxg1
>> Nf3+ 44.Kf2 Nxh4 45.d6 Kxg7 46.d7
>>0:18 1/8 -3.74 1383153 38...Qxd5 39.Rxb2 Ng3+ 40.Kg2 Nxe2
>> 41.Qxd5 Nf4+ 42.Kf3 Nxd5 43.Rg2
>> Rf4+ 44.Ke2
>>0:24 1/9 -3.81 1876955 38...Qxd5 39.Rxb2 Ng3+ 40.Kg2 Nxe2
>> 41.Qxd5 Nf4+ 42.Kf3 Nxd5 43.Rg2
>> Rf4+ 44.Ke2 a5
>>0:38 2/10 -3.70 3007760 38...Qxd5 39.Rxb2 Ng3+ 40.Kg2 Nxe2
>> 41.Qxd5 Nf4+ 42.Kf3 Nxd5 43.Rg2
>> f5 44.Rg6 Ra3+ 45.Kf2
>>
>>Forcing Nd2 shows a draw score.
>>
>>jm
>
>When the new ChessMaster is released I will be buying it. I love the quick finds
>of great moves. Your analysis shows me that you are doing something right in
>ChessMaster (and that Uri is doing something right in Movei) that Horizon and
>Crafty are doing wrong. Maybe Gerd has a handle on this with his mention of
>disabling double null-move when king safety is involved.
>
>Ron
My latest Crafty beta is picking up Qxd5 in 68 seconds - thanks in part to
Gerd's seggestion above.
White(1): 6k1/pq3pP1/8/3P4/r3n3/5Q2/1p2N2P/1R5K b - - 0 38
+---+---+---+---+---+---+---+---+
8 | | | | | | | *K| |
+---+---+---+---+---+---+---+---+
7 | *P| *Q| | | | *P| P | |
+---+---+---+---+---+---+---+---+
6 | | | | | | | | |
+---+---+---+---+---+---+---+---+
5 | | | | P | | | | |
+---+---+---+---+---+---+---+---+
4 | *R| | | | *N| | | |
+---+---+---+---+---+---+---+---+
3 | | | | | | Q | | |
+---+---+---+---+---+---+---+---+
2 | | *P| | | N | | | P |
+---+---+---+---+---+---+---+---+
1 | | R | | | | | | K |
+---+---+---+---+---+---+---+---+
a b c d e f g h
Black(1): go
clearing hash tables
time surplus 0.00 time limit 10:00 (10:00)
nss depth time score variation (1)
starting thread 1
(2) 5-> 0.46 1.34 1. ... f6 2. Nf4 f5 3. Nh5 Nd2 4. Qd1
<HT>
6 0.63 1.54 1. ... f6 2. Nf4 Qxg7 3. d6 Rc4 4.
Qe3 f5 <HT>
(2) 6-> 1.10 1.54 1. ... f6 2. Nf4 Qxg7 3. d6 Rc4 4.
Qe3 f5 <HT>
7 1.74 1.62 1. ... f6 2. Nf4 Qxg7 3. Qe2 Qg5 4.
Nd3 Ra1 5. Qxb2 <HT>
7 2.89 ++ 1. ... Ng5!!
(4) 7-> 3.07 2.01 1. ... Ng5
(3) 8 3.55 2.02 1. ... Ng5 2. Qf5 Ra1 3. Nf4 Rxb1+
4. Qxb1 Kxg7 5. h4 Ne4 6. Nd3 Ng3+
7. Kg2 <HT>
8 5.39 2.17 1. ... Nd2 2. Qh5 Rh4 3. Rxb2 Qxb2
4. Qxh4 Qa1+ 5. Ng1 Qxg1+ 6. Kxg1 Nf3+
7. Kf2 Nxh4 <HT>
(4) 8-> 6.82 2.17 1. ... Nd2 2. Qh5 Rh4 3. Rxb2 Qxb2
4. Qxh4 Qa1+ 5. Ng1 Qxg1+ 6. Kxg1 Nf3+
7. Kf2 Nxh4 <HT>
9 7.60 ++ 1. ... Nd2!!
9 12.44 2.65 1. ... Qxd5 2. Rxb2 Ng3+ 3. Kg2 Nxe2
4. Qxd5 Nf4+ 5. Kf3 Nxd5 6. Rg2 Rf4+
7. Ke2 Rd4 <HT>
9-> 12.44 2.65 1. ... Qxd5 2. Rxb2 Ng3+ 3. Kg2 Nxe2
4. Qxd5 Nf4+ 5. Kf3 Nxd5 6. Rg2 Rf4+
7. Ke2 Rd4 <HT>
10 16.35 2.89 1. ... Qxd5 2. Rxb2 Ng3+ 3. Kg2 Nxe2
4. Qxd5 Nf4+ 5. Kf3 Nxd5 6. Rg2 Rf4+
7. Ke2 Re4+ 8. Kd2 f5 <HT>
10 21.50 ++ 1. ... Nd2!!
10 28.93 3.60 1. ... Nd2 2. Qf5 Rh4 3. Rd1 b1=Q 4.
Rxb1 Nxb1 5. Ng3 Rh7 6. Nh5 Rxh5 <HT>
(2) 10-> 30.13 3.60 1. ... Nd2 2. Qf5 Rh4 3. Rd1 b1=Q 4.
Rxb1 Nxb1 5. Ng3 Rh7 6. Nh5 Rxh5 <HT>
11 38.57 -- 1. ... Nd2
11 1:07 -0.08 1. ... Nd2 2. Qh5 Rh4 3. Rxb2 Qxb2
4. Qxh4 Qb1+ 5. Ng1 Qe4+ 6. Qxe4 Nxe4
7. h4 Kxg7 8. Kg2 f5 <HT>
11 1:08 ++ 1. ... Qxd5!!
11 1:43 3.89 1. ... Qxd5 2. Rxb2 Ng3+ 3. Kg2 Nxe2
4. Qxd5 Nf4+ 5. Kf3 Nxd5 6. Rg2 Ra3+
7. Ke4 Nf6+ 8. Ke5 Nh5 <HT>
(2) 11-> 1:51 3.89 1. ... Qxd5 2. Rxb2 Ng3+ 3. Kg2 Nxe2
4. Qxd5 Nf4+ 5. Kf3 Nxd5 6. Rg2 Ra3+
7. Ke4 Nf6+ 8. Ke5 Nh5 <HT>
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