kobanium
The life and death estimation gets wrong
genmove b
Time Limit : 5 Sec
Playout Limit : 100000000 PO
A B C D E F G H J K L M N O P Q R S T
+----------------------------------------------------------------------------+
19:| 97 98 98 98 97 91 50 12 3 2 2 2 3 3 3 3 4 5 5 |
18:| 95 98 98 98 98 99 57 2 2 2 4 1 6 2 2 2 3 5 5 |
17:| 82 99 99 99 94 99 2 2 99 2 29 43 48 0 1 1 0 5 5 |
16:| 42 5 99 6 53 99 99 99 99 99 64 68 91 0 1 0 1 6 5 |
15:| 7 5 5 6 6 99 98 97 94 90 85 83 91 91 0 0 0 4 4 |
14:| 3 10 45 57 98 97 96 94 90 87 83 81 53 8 9 3 7 1 2 |
13:| 0 0 100 92 96 97 96 95 88 74 81 91 53 8 9 7 7 1 1 |
12:| 0 0 100 97 100 98 98 99 99 59 11 50 44 8 9 9 0 1 2 |
11:| 0 0 100 100 100 100 98 96 99 63 30 2 6 11 0 4 0 2 6 |
10:| 0 0 0 0 100 98 98 96 99 82 59 50 0 3 0 0 1 5 9 |
9:| 0 0 100 100 100 100 100 96 96 99 99 99 46 0 0 0 0 0 23 |
8:| 1 1 1 100 99 99 98 98 96 99 96 99 68 50 0 0 89 89 60 |
7:| 2 1 1 100 100 100 100 98 96 99 96 99 99 99 0 77 69 86 84 |
6:| 5 4 1 1 100 100 100 99 96 96 96 96 96 99 50 69 89 92 93 |
5:| 9 12 42 52 100 100 96 96 96 96 96 96 99 99 99 99 99 99 97 |
4:| 9 9 99 99 99 99 99 96 96 96 96 96 0 99 0 56 1 1 97 |
3:| 10 11 11 99 99 99 99 96 96 96 96 96 0 99 0 0 12 95 95 |
2:| 10 10 70 99 96 96 96 96 96 96 96 96 0 0 0 0 0 0 95 |
1:| 22 57 84 99 99 99 99 96 96 96 96 96 26 0 0 0 0 0 21 |
+----------------------------------------------------------------------------+
BLACK+38.5
Best Sequence : L13(BLACK : 12698/13563)->K13(WHITE : 404/5171)->K14(BLACK : 2698/2872)->J13(WHITE : 72/945)->K12(BLACK : 447/474)->J14(WHITE : 8/146)->J15(BLACK : 87/90)
Prisoner(Black) : 2
Prisoner(White) : 4
Move : 210
A B C D E F G H J K L M N O P Q R S T
+---------------------------------------+
19:| + + + + + + + + + + + + + + + + + + + |
18:| + + + + + B + W W W + W + + + + + + + |
17:| + B B B + B W W B W + + + W + + W + + |
16:| + W B W + B B B B B + + B W + W + B + |
15:| + W W W W B + + B + + + B B W + W + + |
14:| + + + + B + + + W B + + + W B + B W + |
13:| + W B + + + + + W W B B + W + + B W + |
12:| + W B + B + + B B B W + + W B B W + + |
11:| + W B B + B + W B + + W + B W + W + + |
10:| + W W W B W + W B + + + W + W + + + + |
9:| + W B B B B B W W B B B + W + + W W + |
8:| + + W B + + W B W B W B + + W W B B + |
7:| + + W B + B B + W B W B B B W B + + + |
6:| + + W W B + B + W W W W W B + + + + + |
5:| + + + + B B W W W B W W B B B B B B + |
4:| + W B B + W B W W B B B W B W + W W B |
3:| + + W B B B B W B B W B W B W W + B + |
2:| + W + B W W W W W B W B W W + W W W B |
1:| + + + B B B B W W B + B + W + W + W + |
+---------------------------------------+
All Playouts : 17854
Pre Simulated : 0
Win : 16679
Thinking Time : 5.001 sec
Winning Percentage : 93.4188%
Playout Speed : 3570 PO/sec
= L13
At this position, black is already dead, but it still thinks the black group is alive and the winning percentage is high.
Ray seldom plays capture move (white N1), and self atari moves (white L2 and L2). This causes the white J1 stones often die before black K1 stones die.
sim_log.zip Ray sometimes plays white N1. But it's difficult for Ray to throw in L2 or L3 after capturing stones (L2 and L3). The file has 10 Ray's simulation samples. It shows L2 and L3 have low scores. I try to modify Ray's simulation.
FYI, Rn is using simple snapback detection in simulation. Results of 1000 games with 5000po are 49.6% (±1.6). Perhaps more generic way is needed to capture n-moku nakade etc. https://github.com/zakki/Ray/commit/7bde059fb2b9b2f59a3a4108e5abd47935a5936e