% First, the markers (cross and circle) are defined for usage
% in the normal text.

beginchar("x", d#, .8d#, .2d#);
 "x: Cross marker";

 pickup pencircle scaled thick;
 define_whole_pixels(d);

 % lower left point
 z1=(.2d,0);
 % upper left point
 z2=(.2d,.6d);
 % lower right point
 z3=(.8d,0);
 % upper right point
 z4=(.8d,.6d);

 draw z1..z4;
 draw z2..z3;
endchar;

beginchar("y", d#, .8d#, .2d#);
 "y: Circle marker";

 pickup pencircle scaled thick;
 define_whole_pixels(d);

 draw fullcircle scaled .6d shifted (.5d,.3d);
endchar;

% Additionally, a "plus" and "minus" sign and the
% ``capture'' symbol are provided

beginchar("+", .7d#, d#, 0);
 "+: Plus";

 pickup pencircle scaled middle;
 define_whole_pixels(d);

 % Plus sign
 z1=(.1d,.25d);
 z2=(.6d,.25d);
 z3=(.35d,.5d);
 z4=(.35d,0);

 draw z1--z2;
 draw z3--z4;
endchar;

beginchar("-", .4d#, d#, 0);
 "-: Minus";

 pickup pencircle scaled middle;
 define_whole_pixels(d);

 % Minus sign
 z1=(.1d,.3d);
 z2=(.3d,.3d);

 draw z1--z2;
endchar;

beginchar("X", .6d#, d#, 0);
 "X: Capture symbol";

 pickup pencircle scaled middle;
 define_whole_pixels(d);

 % lower left point
 z1=(.1d,.5middle);
 % upper left point
 z2=(.1d,.4d+.5middle);
 % lower right point
 z3=(.5d,.5middle);
 % upper right point
 z4=(.5d,.4d+.5middle);

 draw z1..z4;
 draw z2..z3;
endchar;

% Here, the definitions of the informator symbols start

beginchar("a", d#, d#, 0);
 "a: Informator symbol ``pair of bishops''";
 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Points for lower square
 z1=(.1d,.5d);
 z2=(.1d,0);
 z3=(.6d,.5d);
 z4=(.6d,0);

 % Points for upper square
 z5=(.4d,.8d);
 z6=(.4d,.3d);
 z7=(.9d,.8d);
 z8=(.9d,.3d);

 draw z1--z2--z4--z3--z1;
 draw z5--z6--z8--z7--z5;
endchar;

beginchar("b", 1.2d#, d#, 0);
 "b: Informator symbol ``better is''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Points for vertical line
 z1=(.1d,0);
 z2=(1.1d,0);

 draw z1..z2;
 draw halfcircle scaled d shifted (.6d,0);
endchar;

beginchar("c", .7d#, d#, 0);
 "c: Informator symbol ``white has the upper hand''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Minus sign
 z1=(.1d,.2d);
 z2=(.6d,.2d);
 % Plus sign
 z3=(.1d,.55d);
 z4=(.6d,.55d);
 z5=(.35d,.8d);
 z6=(.35d,.3d);

 draw z1--z2;
 draw z3--z4;
 draw z5--z6;
endchar;

beginchar("d", .9d#, d#, 0);
 "d: Informator symbol ``double pawns''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 draw fullcircle scaled .35d shifted (.45d,.125d);
 draw fullcircle scaled .35d shifted (.45d,.625d);
endchar;

beginchar("e", .7d#, d#, 0);
 "e: Informator symbol ``black has the upper hand''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Minus sign
 z1=(.1d,.6d);
 z2=(.6d,.6d);
 % Plus sign
 z3=(.1d,.25d);
 z4=(.6d,.25d);
 z5=(.35d,.5d);
 z6=(.35d,0);

 draw z1--z2;
 draw z3--z4;
 draw z5--z6;
endchar;

beginchar("f", .7d#, d#, 0);
 "f: Informator symbol ``white stands slightly better''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Equal sign
 z1=(.1d,.2d);
 z2=(.6d,.2d);
 z3=(.1d,.1d);
 z4=(.6d,.1d);
 % Plus sign
 z5=(.1d,.55d);
 z6=(.6d,.55d);
 z7=(.35d,.8d);
 z8=(.35d,.3d);

 draw z1--z2;
 draw z3--z4;
 draw z5--z6;
 draw z7--z8;
endchar;

beginchar("g", .7d#, d#, 0);
 "g: Informator symbol ``black stands slightly better''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Equal sign
 z1=(.1d,.6d);
 z2=(.6d,.6d);
 z3=(.1d,.7d);
 z4=(.6d,.7d);
 % Plus sign
 z5=(.1d,.25d);
 z6=(.6d,.25d);
 z7=(.35d,.5d);
 z8=(.35d,0);

 draw z1--z2;
 draw z3--z4;
 draw z5--z6;
 draw z7--z8;
endchar;

beginchar("h", 1.3d#, d#, 0);
 "h: Informator symbol ``white has a decisive advantage''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Plus sign
 z1=(.1d,.25d);
 z2=(.6d,.25d);
 z3=(.35d,.5d);
 z4=(.35d,0);
 % Minus sign
 z5=(.7d,.25d);
 z6=(1.2d,.25d);

 draw z1--z2;
 draw z3--z4;
 draw z5--z6;
endchar;

beginchar("i", 1.3d#, d#, 0);
 "i: Informator symbol ``black has a decisive advantage''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Minus sign
 z1=(.1d,.25d);
 z2=(.6d,.25d);
 % Plus sign
 z3=(.7d,.25d);
 z4=(1.2d,.25d);
 z5=(.95d,.5d);
 z6=(.95d,0);

 draw z1--z2;
 draw z3--z4;
 draw z5--z6;
endchar;

beginchar("j", .7d#, d#, 0);
 "j: Informator symbol ``even''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,.4d);
 z2=(.6d,.4d);
 z3=(.1d,.3d);
 z4=(.6d,.3d);
 draw z1--z2;
 draw z3--z4;
endchar;

beginchar("k", .7d#, d#, 0);
 "k: Informator symbol ``unclear''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,.35d);
 z2=(.2d,.475d);
 z3=(.35d,.35d);
 z4=(.5d,.225d);
 z5=(.6d,.35d);
 z6=(.5d,.475d);
 z7=(.2d,.225d);

 draw z1..z2..z3..z4..z5..z6..z3..z7..cycle;
endchar;

beginchar("l", d#, d#, 0);
 "l: Informator symbol ``see''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,.35d);
 z2=(.9d,.35d);
 draw z1--z2;
endchar;

beginchar("m", .9d#, d#, 0);
 "m: Informator symbol ``mate''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Points for vertical lines
 z1=(.1d,.5d);
 z2=(.1d,.2d);
 z3=(.8d,.5d);
 z4=(.8d,.2d);

 % Points for horizontal lines
 z5=(.3d,.7d);
 z6=(.6d,.7d);
 z7=(.3d,0);
 z8=(.6d,0);

 draw z1..z3;
 draw z2..z4;
 draw z5..z7;
 draw z6..z8;
endchar;

beginchar("n", .7d#, d#, 0);
 "n: Informator symbol ``with compensation for the material''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Infinity symbol
 z1=(.1d,.25d);
 z2=(.2d,.375d);
 z3=(.35d,.25d);
 z4=(.5d,.125d);
 z5=(.6d,.25d);
 z6=(.5d,.375d);
 z7=(.2d,.125d);
 % Equal sign
 z8=(.1d,.575d);
 z9=(.6d,.575d);
 z10=(.1d,.475d);
 z11=(.6d,.475d);

 draw z1..z2..z3..z4..z5..z6..z3..z7..cycle;
 draw z8--z9;
 draw z10--z11;
endchar;

beginchar("o", d#, d#, 0);
 "o: Informator symbol ``bishops of opposite color''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Points for lower square
 z1=(.1d,.5d);
 z2=(.1d,0);
 z3=(.6d,.5d);
 z4=(.6d,0);

 % Points for upper square
 z5=(.4d,.8d);
 z6=(.4d,.3d);
 z7=(.9d,.8d);
 z8=(.9d,.3d);

 draw z1--z2--z4--z3--z1;
 fill z5--z6--z8--z7--cycle;
endchar;

beginchar("q", 1.25d#, d#, 0);
 "q: Informator symbol ``separated pawns''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 draw fullcircle scaled .35d shifted (.275d,.4d);
 fill fullcircle scaled .1d shifted (.55d,.4d);
 fill fullcircle scaled .1d shifted (.7d,.4d);
 draw fullcircle scaled .35d shifted (.975d,.4d);
endchar;

beginchar("r", d#, d#, 0);
 "r: Informator symbol ``passed pawn''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.5d,.7d);
 z2=(.5d,.4d);
 draw fullcircle scaled .4d shifted (.5d,.2d);
 draw z1--z2;
 draw quartercircle rotated 270 scaled .2d shifted (.4d,.7d);
 draw quartercircle rotated 180 scaled .2d shifted (.6d,.7d);
endchar;

beginchar("s", d#, d#, 0);
 "s: Informator symbol ``bishops of the same color''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Points for lower square
 z1=(.1d,.5d);
 z2=(.1d,0);
 z3=(.6d,.5d);
 z4=(.6d,0);

 % Points for upper square
 z5=(.4d,.8d);
 z6=(.4d,.3d);
 z7=(.9d,.8d);
 z8=(.9d,.3d);

 fill z1--z2--z4--z3--cycle;
 fill z5--z6--z8--z7--cycle;
endchar;

beginchar("t", d#, d#, 0);
 "t: Informator symbol ``development advantage''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Arcus
 z1=(.8d,.65d);
 z2=(.5d,.8d);
 z3=(.1d,.4d);
 z4=(.5d,0);
 z5=(.9d,.4d);
 z6=(.85d,.55d);
 % Arrow
 z7=(.65d,.65d);
 z8=(.8d,.8d);

 draw z1..z2..z3..z4..z5..z6;
 draw z7--z1;
 draw z8--z1;
endchar;

beginchar("u", d#, d#, 0);
 "u: Informator symbol ``united pawns''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 draw fullcircle scaled .35d shifted (.275d,.4d);
 draw fullcircle scaled .35d shifted (.725d,.4d);
endchar;

beginchar("v", d#, d#, 0);
 "v: Informator symbol ``without''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,.8d);
 z2=(.1d,0);
 z3=(.9d,0);
 draw z1--z2--z3;
endchar;

beginchar("w", d#, d#, 0);
 "w: Informator symbol ``with''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,0);
 z2=(.9d,0);
 z3=(.9d,.8d);
 draw z1--z2--z3;
endchar;

beginchar("A", .9d#, d#, 0);
 "A: Informator symbol ``with attack''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,.4d);
 z2=(.7d,.4d);

 draw z1--z2;
 draw quartercircle rotated 180 scaled .2d shifted (.7d,.5d);
 draw quartercircle rotated 90 scaled .2d shifted (.7d,.3d);
endchar;

beginchar("C", .6d#, d#, 0);
 "C: Informator symbol ``with initiative''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.3d,.7d);
 z2=(.3d,.1d);

 draw z1--z2;
 draw quartercircle rotated 270 scaled .2d shifted (.2d,.7d);
 draw quartercircle rotated 180 scaled .2d shifted (.4d,.7d);
endchar;

beginchar("D", d#, d#, 0);
 "D: Informator symbol ``zugzwang''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 draw fullcircle scaled .8d shifted (.5d,.4d);
 fill fullcircle scaled .15d shifted (.5d,.4d);
endchar;

beginchar("E", d#, d#, 0);
 "E: Informator symbol ``with the idea''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,0);
 z2=(.9d,0);
 z3=(.5d,.8d);

 draw z1--z2--z3--z1;
endchar;

beginchar("F", d#, d#, 0);
 "F: Informator symbol ``only move''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,0);
 z2=(.9d,0);
 z3=(.9d,.8d);
 z4=(.1d,.8d);

 draw z1--z2--z3--z4--z1;
endchar;

beginchar("G", d#, d#, 0);
 "G: Informator symbol ``diagonal''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,.15d);
 z2=(.75d,.8d);
 z3=(.25d,0);
 z4=(.9d,.65d);
 z5=(.55d,.8d);
 z6=(.9d,.45d);
 z7=(.9d,.8d);

 draw z1--z2;
 draw z3--z4;
 draw z5--z7--z6;
endchar;

beginchar("H", d#, d#, 0);
 "H: Informator symbol ``file''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.2d,.5d);
 z2=(.8d,.5d);
 z3=(.2d,.3d);
 z4=(.8d,.3d);
 z5=(.3d,.6d);
 z6=(.1d,.4d);
 z7=(.3d,.2d);
 z8=(.7d,.6d);
 z9=(.9d,.4d);
 z10=(.7d,.2d);

 draw z1--z2;
 draw z3--z4;
 draw z5--z6--z7;
 draw z8--z9--z10;
endchar;

beginchar("I", d#, d#, 0);
 "I: Informator symbol ``centre''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Outer square
 z1=(.1d,0);
 z2=(.9d,0);
 z3=(.9d,.8d);
 z4=(.1d,.8d);
 % Cross
 z5=(.2d,.4d);
 z6=(.8d,.4d);
 z7=(.5d,.7d);
 z8=(.5d,.1d);

 draw z1--z2--z3--z4--z1;
 draw z5--z6;
 draw z7--z8;
endchar;

beginchar("J", d#, d#, 0);
 "J: Informator symbol ``weak point''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,0);
 z2=(.9d,0);
 z3=(.9d,.8d);
 z4=(.1d,.8d);

 draw z1--z3;
 draw z2--z4;
endchar;

beginchar("L", d#, d#, 0);
 "L: Informator symbol ``ending''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,0);
 z2=(.9d,0);
 z3=(.5d,0);
 z4=(.5d,.8d);

 draw z1--z2;
 draw z3--z4;
endchar;

beginchar("M", .8d#, d#, 0);
 "M: Informator symbol ``queen's side''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.4d,.7d);
 z2=(.1d,.4d);
 z3=(.4d,.1d);
 z4=(.6d,.7d);
 z5=(.3d,.4d);
 z6=(.6d,.1d);

 draw z1--z2--z3;
 draw z4--z5--z6;
endchar;

beginchar("O", .8d#, d#, 0);
 "O: Informator symbol ``king's side''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.4d,.7d);
 z2=(.7d,.4d);
 z3=(.4d,.1d);
 z4=(.2d,.7d);
 z5=(.5d,.4d);
 z6=(.2d,.1d);

 draw z1--z2--z3;
 draw z4--z5--z6;
endchar;

beginchar("P", .4d#, d#, 0);
 "P: Informator symbol ``etc''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,.8d);
 z2=(.1d,0);
 z3=(.3d,.8d);
 z4=(.3d,0);

 draw z1--z2;
 draw z3--z4;
endchar;

beginchar("S", .8d#, d#, 0);
 "S: Informator symbol ``advantage in number of pawns''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,.8d);
 z2=(.7d,.4d);
 z3=(.1d,0);

 draw z1--z2--z3;
endchar;

beginchar("T", d#, d#, 0);
 "T: Informator symbol ``time''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 % Cross
 z1=(.2d,.4d);
 z2=(.8d,.4d);
 z3=(.5d,.7d);
 z4=(.5d,.1d);

 draw z1--z2;
 draw z3--z4;
 draw fullcircle scaled .8d shifted (.5d,.4d);
endchar;

beginchar("U", d#, d#, 0);
 "U: Informator symbol ``greater board room''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 draw fullcircle scaled .8d shifted (.5d,.4d);
endchar;

beginchar("V", .8d#, d#, 0);
 "V: Informator symbol ``with counter-play''";

 pickup pencircle scaled thin;
 define_whole_pixels(d);

 z1=(.1d,.5d);
 z2=(.7d,.5d);
 z3=(.1d,.3d);
 z4=(.7d,.3d);

 draw z1--z2;
 draw z3--z4;
 draw quartercircle rotated 270 scaled .2d shifted (.1d,.6d);
 draw quartercircle scaled .2d shifted (.1d,.4d);
 draw quartercircle rotated 180 scaled .2d shifted (.7d,.4d);
 draw quartercircle rotated 90 scaled .2d shifted (.7d,.2d);
endchar;

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