MS-DOS style path detected: C:\Users\Kees\Drive\Black-GNU Go (3.8, level 0)-2015-11-28.sgf
  Preferred POSIX equivalent is: /cygdrive/c/Users/Kees/Drive/Black-GNU Go (3.8, level 0)-2015-11-28.sgf
  CYGWIN environment variable option "nodosfilewarning" turns off this warning.
  Consult the user's guide for more details about POSIX paths:
    http://cygwin.com/cygwin-ug-net/using.html#using-pathnames
Illegal SGF! attempt to add a stone at occupied point D4
Illegal SGF! attempt to add a stone at occupied point Q16
Illegal SGF! attempt to add a stone at occupied point Q4
Illegal SGF! attempt to add a stone at occupied point D16
Illegal SGF! attempt to add a stone at occupied point K10
WARNING: Move off board or on occupied position found in sgf-file.
Move at S17 ignored, trying to proceed.
Board Size:   19
Handicap:     5
Komi:         0.5
Ruleset:      Japanese
Game Date:    2015-11-28
White Player: GNU Go (3.8, level 0)
Move 1 (white): GNU Go plays C6 (75.00) - Game move R14 (74.00)
Move 3 (white): GNU Go plays O3 (75.00) - Game move S16 (74.00)
Move 5 (white): GNU Go plays R11 (35.00) - Game move R11 (35.00)
Move 7 (white): GNU Go plays F16 (24.84) - Game move C14 (24.84)
Move 9 (white): GNU Go plays B16 (35.00) - Game move B16 (35.00)
Move 11 (white): GNU Go plays C11 (35.00) - Game move C11 (35.00)
Move 13 (white): GNU Go plays M3 (31.25) - Game move M3 (31.25)
Move 15 (white): GNU Go plays M4 (35.39) - Game move M4 (35.39)
Move 17 (white): GNU Go plays M6 (23.82) - Game move M6 (23.82)
Move 19 (white): GNU Go plays C6 (23.52) - Game move C6 (23.52)
Move 21 (white): GNU Go plays D6 (35.00) - Game move D6 (35.00)
Move 23 (white): GNU Go plays P14 (17.89) - Game move P14 (17.89)
Move 25 (white): GNU Go plays J5 (16.48) - Game move J5 (16.48)
Move 27 (white): GNU Go plays M5 (34.83) - Game move M5 (34.83)
Move 29 (white): GNU Go plays R3 (15.90) - Game move R3 (15.90)
Move 31 (white): GNU Go plays S4 (27.66) - Game move S4 (27.66)
Move 33 (white): GNU Go plays R2 (23.45) - Game move R2 (23.45)
Move 35 (white): GNU Go plays P2 (22.72) - Game move P2 (22.72)
Move 37 (white): GNU Go plays S17 (15.72) - Game move S17 (15.72)
Move 39 (white): GNU Go plays N15 (15.43) - Game move N15 (15.43)
Move 41 (white): GNU Go plays M17 (17.16) - Game move M17 (17.16)
Move 43 (white): GNU Go plays N18 (27.17) - Game move N18 (27.17)
Move 45 (white): GNU Go plays M16 (33.16) - Game move M16 (33.16)
Move 47 (white): GNU Go plays R18 (55.55) - Game move R18 (55.55)


***assertion failure:
board.c:943 - pos == PASS_MOVE || board[pos] == EMPTY near S17***

 (variation 422382)
   A B C D E F G H J K L M N O P Q R S T
19 . . . . . . . . . . . . . . . . . . . 19
18 . . . . . . . . . . . . O X . . O . . 18
17 . . X . . X . . . . . O . X . . X O . 17
16 . O . X . . . . . X . O X . . X . O . 16
15 . . . . . . . . . . . . O . . . X . . 15
14 . . O . . . . . . . . . . . O . O . . 14
13 . . . . . . . . . . . . . . . . . . . 13
12 . . . . . . . . . . . . . . . . . . . 12
11 . . O . . . . . . . . . . . . . O . . 11     WHITE (O) has captured 0 stones
10 . . . + . . . . . X . . . . . + . . . 10     BLACK (X) has captured 0 stones
 9 . . . . . . . . . . . . . . . . X . . 9
 8 . . . . . . . . . . . . . . . . . . . 8
 7 . . . . . . . . . . . . . . . . X . . 7
 6 . . O O . . . . . . . O . X . . . . . 6
 5 . . X . . . . . O . X O . . . . . X . 5
 4 . . . X . . . . . X . O . X . X X O . 4
 3 . . . . . . X . . X . O X . . . O X . 3
 2 . . . . . . . . . . . . X . O . O X . 2
 1 . . . . . . . . . . . . . . . . . . . 1
   A B C D E F G H J K L M N O P Q R S T
(;GM[1]FF[4]SZ[19]KM[0.5]HA[0]GN[GNU Go 3.8 stepped on a bug]
AB[dd][pd][jj][dp][pp]
;W[qf];B[nc];W[rd];B[qc];W[qi];B[qm];W[cf];B[fc];W[bd];B[cc];W[ci];B[np]
;W[lq];B[mq];W[lp];B[gq];W[ln];B[nn];W[cn];B[co];W[dn];B[jq];W[of];B[qk]
;W[io];B[ko];W[lo];B[jp];W[qq];B[qp];W[rp];B[ro];W[qr];B[rq];W[or];B[mr]
;W[rc];B[rr];W[me];B[jd];W[lc];B[md];W[mb];B[nb];W[ld];B[qe];W[qb]
)
gnugo 3.8 (seed 1448742720): You stepped on a bug.
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      0 [sig] gnugo 6588 open_stackdumpfile: Dumping stack trace to gnugo.exe.stackdump