Syntax Error on line 16
MOVE: check is not a valid expression, because check is not a recognized piece, coordinate, command, or subroutine.
Edit the Settings File for Pocket Mutation Chess
For the sake of debugging, here is the full GAME Code program that this error occurred in. The lines have been properly indented to help you spot scope errors.
   0 moveindex 1
   1 MOVE: P d2-d4
   2 moveindex 2
   3 MOVE: r a8-
   4 MOVE:  i-i8
   5 moveindex 3
   6 MOVE: R h1-
   7 MOVE: I-i1
   8 moveindex 4
   9 MOVE: p e7-e5
  10 moveindex 5
  11 MOVE: P e2-e3
  12 moveindex 6
  13 MOVE: p g7-g6
  14 moveindex 7
  15 MOVE: I i1-c4
  16 MOVE: check
  17 moveindex 8
  18 MOVE: b f8-d6
  19 moveindex 9
  20 MOVE: P a2-i1
  21 moveindex 10
  22 MOVE: i i8-f5
  23 moveindex 11
  24 MOVE: P g2-g3
  25 moveindex 12
  26 MOVE: p b7-b5
  27 moveindex 13
  28 MOVE: I c4-a8
  29 moveindex 16
  30 MOVE: b c8-b7
  31 moveindex 17
  32 MOVE: I a8-d2
  33 moveindex 18
  34 MOVE: b b7-h1
  35 moveindex 19
  36 MOVE: P i1-c5
  37 moveindex 20
  38 MOVE: b d6-e7
  39 moveindex 21
  40 MOVE: R a1-a7
  41 moveindex 22
  42 MOVE: p e5-d4
  43 moveindex 23
  44 MOVE: P e3-d4
  45 moveindex 24
  46 MOVE: i f5-d1
  47 moveindex 25
  48 MOVE: K e1-d1
  49 moveindex 26
  50 MOVE: n g8-
  51 MOVE:  b-i8
  52 moveindex 27
  53 MOVE: P h2-i1
  54 moveindex 28
  55 MOVE: b i8-c6
  56 moveindex 29
  57 MOVE: P f2-f3
  58 moveindex 30
  59 MOVE: b h1-
  60 MOVE:  i-i8
  61 moveindex 31
  62 MOVE: P g3-g4
  63 moveindex 32
  64 MOVE: i i8-g7
  65 moveindex 33
  66 MOVE: K d1-e1
  67 moveindex 34
  68 MOVE: b e7-g5
  69 moveindex 35
  70 MOVE: I d2-b3
  71 moveindex 36
  72 MOVE: b g5-c1
  73 moveindex 37
  74 MOVE: I b3-c1
  75 moveindex 38
  76 MOVE: r h8-
  77 MOVE:  d-i8
  78 moveindex 39
  79 MOVE: P i1-b7
  80 moveindex 40
  81 MOVE: q d8-h4
  82 moveindex 41
  83 MOVE: K e1-d2
  84 moveindex 42
  85 MOVE: d i8-e3
  86 moveindex 43
  87 MOVE: K d2-d1
  88 moveindex 44
  89 MOVE: d e3-d3
  90 moveindex 45
  91 MOVE: K d1-d1
  92 end
  93 
functions
uservar
Array
(
    [0] => Array
        (
            [main] => Array
                (
                )

        )

)
mline
Array
(
    [0] => MoveLine Object
        (
            [movenum] => 0
            [move] => 
            [level] => 0
            [comment] => 
            [length] => 0
            [newturn] => 
            [turn] => 0
        )

    [1] => MoveLine Object
        (
            [movenum] => 1
            [move] => P d2-d4
            [level] => 0
            [comment] => 
            [length] => 10
            [newturn] => 1
            [turn] => 1
        )

    [2] => MoveLine Object
        (
            [movenum] => 2
            [move] => r a8-; i-i8
            [level] => 0
            [comment] => 
            [length] => 16
            [newturn] => 
            [turn] => 1
        )

    [3] => MoveLine Object
        (
            [movenum] => 3
            [move] => R h1-;I-i1
            [level] => 0
            [comment] => 
            [length] => 13
            [newturn] => 1
            [turn] => 2
        )

    [4] => MoveLine Object
        (
            [movenum] => 4
            [move] => p e7-e5
            [level] => 0
            [comment] => 
            [length] => 12
            [newturn] => 
            [turn] => 2
        )

    [5] => MoveLine Object
        (
            [movenum] => 5
            [move] => P e2-e3
            [level] => 0
            [comment] => 
            [length] => 10
            [newturn] => 1
            [turn] => 3
        )

    [6] => MoveLine Object
        (
            [movenum] => 6
            [move] => p g7-g6
            [level] => 0
            [comment] => 
            [length] => 12
            [newturn] => 
            [turn] => 3
        )

    [7] => MoveLine Object
        (
            [movenum] => 7
            [move] => I i1-c4;check
            [level] => 0
            [comment] => 
            [length] => 16
            [newturn] => 1
            [turn] => 4
        )

    [8] => MoveLine Object
        (
            [movenum] => 8
            [move] => b f8-d6
            [level] => 0
            [comment] => 
            [length] => 12
            [newturn] => 
            [turn] => 4
        )

    [9] => MoveLine Object
        (
            [movenum] => 9
            [move] => P a2-i1
            [level] => 0
            [comment] => 
            [length] => 10
            [newturn] => 1
            [turn] => 5
        )

    [10] => MoveLine Object
        (
            [movenum] => 10
            [move] => i i8-f5
            [level] => 0
            [comment] => 
            [length] => 12
            [newturn] => 
            [turn] => 5
        )

    [11] => MoveLine Object
        (
            [movenum] => 11
            [move] => P g2-g3
            [level] => 0
            [comment] => 
            [length] => 10
            [newturn] => 1
            [turn] => 6
        )

    [12] => MoveLine Object
        (
            [movenum] => 12
            [move] => p b7-b5
            [level] => 0
            [comment] => 
            [length] => 12
            [newturn] => 
            [turn] => 6
        )

    [13] => MoveLine Object
        (
            [movenum] => 13
            [move] => I c4-a8
            [level] => 0
            [comment] => 
            [length] => 10
            [newturn] => 1
            [turn] => 7
        )

    [14] => MoveLine Object
        (
            [movenum] => 14
            [move] => b c8-b7
            [level] => 1
            [comment] => 
            [length] => 14
            [newturn] => 
            [turn] => 7
        )

    [15] => MoveLine Object
        (
            [movenum] => 15
            [move] => I a8-c4
            [level] => 1
            [comment] => 
            [length] => 12
            [newturn] => 1
            [turn] => 8
        )

    [16] => MoveLine Object
        (
            [movenum] => 16
            [move] => b c8-b7
            [level] => 0
            [comment] => 
            [length] => 12
            [newturn] => 
            [turn] => 7
        )

    [17] => MoveLine Object
        (
            [movenum] => 17
            [move] => I a8-d2
            [level] => 0
            [comment] => 
            [length] => 10
            [newturn] => 1
            [turn] => 8
        )

    [18] => MoveLine Object
        (
            [movenum] => 18
            [move] => b b7-h1
            [level] => 0
            [comment] => 
            [length] => 12
            [newturn] => 
            [turn] => 8
        )

    [19] => MoveLine Object
        (
            [movenum] => 19
            [move] => P i1-c5
            [level] => 0
            [comment] => 
            [length] => 10
            [newturn] => 1
            [turn] => 9
        )

    [20] => MoveLine Object
        (
            [movenum] => 20
            [move] => b d6-e7
            [level] => 0
            [comment] => 
            [length] => 12
            [newturn] => 
            [turn] => 9
        )

    [21] => MoveLine Object
        (
            [movenum] => 21
            [move] => R a1-a7
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 10
        )

    [22] => MoveLine Object
        (
            [movenum] => 22
            [move] => p e5-d4
            [level] => 0
            [comment] => 
            [length] => 13
            [newturn] => 
            [turn] => 10
        )

    [23] => MoveLine Object
        (
            [movenum] => 23
            [move] => P e3-d4
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 11
        )

    [24] => MoveLine Object
        (
            [movenum] => 24
            [move] => i f5-d1
            [level] => 0
            [comment] => 
            [length] => 13
            [newturn] => 
            [turn] => 11
        )

    [25] => MoveLine Object
        (
            [movenum] => 25
            [move] => K e1-d1
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 12
        )

    [26] => MoveLine Object
        (
            [movenum] => 26
            [move] => n g8-; b-i8
            [level] => 0
            [comment] => 
            [length] => 17
            [newturn] => 
            [turn] => 12
        )

    [27] => MoveLine Object
        (
            [movenum] => 27
            [move] => P h2-i1
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 13
        )

    [28] => MoveLine Object
        (
            [movenum] => 28
            [move] => b i8-c6
            [level] => 0
            [comment] => 
            [length] => 13
            [newturn] => 
            [turn] => 13
        )

    [29] => MoveLine Object
        (
            [movenum] => 29
            [move] => P f2-f3
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 14
        )

    [30] => MoveLine Object
        (
            [movenum] => 30
            [move] => b h1-; i-i8
            [level] => 0
            [comment] => 
            [length] => 17
            [newturn] => 
            [turn] => 14
        )

    [31] => MoveLine Object
        (
            [movenum] => 31
            [move] => P g3-g4
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 15
        )

    [32] => MoveLine Object
        (
            [movenum] => 32
            [move] => i i8-g7
            [level] => 0
            [comment] => // Check
            [length] => 22
            [newturn] => 
            [turn] => 15
        )

    [33] => MoveLine Object
        (
            [movenum] => 33
            [move] => K d1-e1
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 16
        )

    [34] => MoveLine Object
        (
            [movenum] => 34
            [move] => b e7-g5
            [level] => 0
            [comment] => 
            [length] => 13
            [newturn] => 
            [turn] => 16
        )

    [35] => MoveLine Object
        (
            [movenum] => 35
            [move] => I d2-b3
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 17
        )

    [36] => MoveLine Object
        (
            [movenum] => 36
            [move] => b g5-c1
            [level] => 0
            [comment] => 
            [length] => 13
            [newturn] => 
            [turn] => 17
        )

    [37] => MoveLine Object
        (
            [movenum] => 37
            [move] => I b3-c1
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 18
        )

    [38] => MoveLine Object
        (
            [movenum] => 38
            [move] => r h8-; d-i8
            [level] => 0
            [comment] => 
            [length] => 17
            [newturn] => 
            [turn] => 18
        )

    [39] => MoveLine Object
        (
            [movenum] => 39
            [move] => P i1-b7
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 19
        )

    [40] => MoveLine Object
        (
            [movenum] => 40
            [move] => q d8-h4
            [level] => 0
            [comment] => // Check
            [length] => 22
            [newturn] => 
            [turn] => 19
        )

    [41] => MoveLine Object
        (
            [movenum] => 41
            [move] => K e1-d2
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 20
        )

    [42] => MoveLine Object
        (
            [movenum] => 42
            [move] => d i8-e3
            [level] => 0
            [comment] => // Check
            [length] => 22
            [newturn] => 
            [turn] => 20
        )

    [43] => MoveLine Object
        (
            [movenum] => 43
            [move] => K d2-d1
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 21
        )

    [44] => MoveLine Object
        (
            [movenum] => 44
            [move] => d e3-d3
            [level] => 0
            [comment] => // Checkmate
            [length] => 26
            [newturn] => 
            [turn] => 21
        )

    [45] => MoveLine Object
        (
            [movenum] => 45
            [move] => K d1-d1
            [level] => 0
            [comment] => 
            [length] => 11
            [newturn] => 1
            [turn] => 22
        )

)
allmoves
Array
(
    [0] => moveindex 45;MOVE: K d1-d1
    [1] => moveindex 44;MOVE: d e3-d3
    [2] => moveindex 43;MOVE: K d2-d1
    [3] => moveindex 42;MOVE: d i8-e3
    [4] => moveindex 41;MOVE: K e1-d2
    [5] => moveindex 40;MOVE: q d8-h4
    [6] => moveindex 39;MOVE: P i1-b7
    [7] => moveindex 38;MOVE: r h8-; MOVE:  d-i8
    [8] => moveindex 37;MOVE: I b3-c1
    [9] => moveindex 36;MOVE: b g5-c1
    [10] => moveindex 35;MOVE: I d2-b3
    [11] => moveindex 34;MOVE: b e7-g5
    [12] => moveindex 33;MOVE: K d1-e1
    [13] => moveindex 32;MOVE: i i8-g7
    [14] => moveindex 31;MOVE: P g3-g4
    [15] => moveindex 30;MOVE: b h1-; MOVE:  i-i8
    [16] => moveindex 29;MOVE: P f2-f3
    [17] => moveindex 28;MOVE: b i8-c6
    [18] => moveindex 27;MOVE: P h2-i1
    [19] => moveindex 26;MOVE: n g8-; MOVE:  b-i8
    [20] => moveindex 25;MOVE: K e1-d1
    [21] => moveindex 24;MOVE: i f5-d1
    [22] => moveindex 23;MOVE: P e3-d4
    [23] => moveindex 22;MOVE: p e5-d4
    [24] => moveindex 21;MOVE: R a1-a7
    [25] => moveindex 20;MOVE: b d6-e7
    [26] => moveindex 19;MOVE: P i1-c5
    [27] => moveindex 18;MOVE: b b7-h1
    [28] => moveindex 17;MOVE: I a8-d2
    [29] => moveindex 16;MOVE: b c8-b7
    [30] => moveindex 13;MOVE: I c4-a8
    [31] => moveindex 12;MOVE: p b7-b5
    [32] => moveindex 11;MOVE: P g2-g3
    [33] => moveindex 10;MOVE: i i8-f5
    [34] => moveindex 9;MOVE: P a2-i1
    [35] => moveindex 8;MOVE: b f8-d6
    [36] => moveindex 7;MOVE: I i1-c4; MOVE: check
    [37] => moveindex 6;MOVE: p g7-g6
    [38] => moveindex 5;MOVE: P e2-e3
    [39] => moveindex 4;MOVE: p e7-e5
    [40] => moveindex 3;MOVE: R h1-; MOVE: I-i1
    [41] => moveindex 2;MOVE: r a8-; MOVE:  i-i8
    [42] => moveindex 1;MOVE: P d2-d4
)
movelist
1. P d2-d4 
1... r a8-; i-i8 
2. R h1-;I-i1 
2... p e7-e5 
3. P e2-e3 
3... p g7-g6 
4. I i1-c4;check 
4... b f8-d6 
5. P a2-i1 
5... i i8-f5 
6. P g2-g3 
6... p b7-b5 
7. I c4-a8 
| 7... b c8-b7 
| 8. I a8-c4 
7... b c8-b7 
8. I a8-d2 
8... b b7-h1 
9. P i1-c5 
9... b d6-e7 
10. R a1-a7 
10... p e5-d4 
11. P e3-d4 
11... i f5-d1 
12. K e1-d1 
12... n g8-; b-i8 
13. P h2-i1 
13... b i8-c6 
14. P f2-f3 
14... b h1-; i-i8 
15. P g3-g4 
15... i i8-g7 // Check
16. K d1-e1 
16... b e7-g5 
17. I d2-b3 
17... b g5-c1 
18. I b3-c1 
18... r h8-; d-i8 
19. P i1-b7 
19... q d8-h4 // Check
20. K e1-d2 
20... d i8-e3 // Check
21. K d2-d1 
21... d e3-d3 // Checkmate
22. K d1-d1
constants
Array
(
)