#endif\r
\r
/* make unique integer from engine move representation */\r
-#define PACK_MOVE 256*K + L;\r
+#define PACK_MOVE 256*K + L + (PromPiece << 16);\r
\r
/* convert intger argument back to engine move representation */\r
-#define UNPACK_MOVE(A) K = (A)>>8 & 255; L = (A) & 255;\r
+#define UNPACK_MOVE(A) K = (A)>>8 & 255; L = (A) & 255; PromPiece = (A)>>16 & 255;\r
\r
/* Global variables visible to engine. Normally they */\r
/* would be replaced by the names under which these */\r
int Threshold = 800;\r
int Score;\r
int makruk;\r
-int prom, pm;\r
+int prom, pm, gating;\r
char piecename[32], piecetype[32], blacktype[32];\r
char selectedFairy[80];\r
char *inifile = INI_FILE;\r
R-=i/FAC; /*** total captd material ***/\r
Fifty = t|p<3?0:Fifty+1;\r
sp=ps;\r
+ if(!(u&32)&PromPiece&(K&112)==(k?0:112))\r
+ prom=b[K]=39+k-PromPiece,J+=333,pl[k+14-PromPiece]--; /* gating */\r
return l;} /* & not in check, signal */\r
v=m; /* (prevent fail-lows on */\r
} /* K-capt. replies) */\r
\r
InitGame()\r
{\r
- int i,j;\r
+ int i,j,k=0;\r
\r
+ Side = WHITE; Q=0; O=S;\r
+ Fifty = 0; R = 0;\r
for(i=0;i<16*BH;i++)b[i]=0;\r
for(i=0;i<32;i++)pl[i]=0;\r
K=BW;W(K--)\r
if(w[oo[K]] == -1)pl[oo[K]]=1;\r
L=8;W(L--)b[16*L+K+257]=(K-BW/2)*(K-BW/2)+(L-3.5)*(L-3.5); /* center-pts table */\r
} /*(in unused half b[])*/\r
- Side = WHITE; Q=0; O=S;\r
- Fifty = 0; R = 0;\r
- for(i=0; i<BW; i++) if(i!=3) R += (w[oo[i]]/FAC) + (w[oo[i+16]]/FAC);\r
- UnderProm = -1; pl[WHITE] = pl[BLACK] = 2*BW;\r
+ for(i=0; i<BW; i++) {\r
+ R += abs(w[oo[i]])/FAC + abs(w[oo[i+16]])/FAC;\r
+ Q += abs(w[oo[i]]) - abs(w[oo[i+16]]) + w[1] - w[2];\r
+ if(w[oo[i]] < 0) k = w[oo[i]];\r
+ }\r
+ R -= 2*(-k/FAC);\r
+ UnderProm = -1; pl[WHITE] = pl[BLACK] = 2*BW; \r
pm = !pl[BLACK+7] && pl[BLACK+9] && pl[WHITE+7] ? 2 : 0; // Unlike white, black has no 'Q', so promote to 9, which he does have.\r
+ if(gating) pl[13] = pl[15] = pl[29] = pl[31] = 1, R += 2*(w[6]/FAC + w[8]/FAC);\r
}\r
\r
void CopyBoard(int s)\r
if(fscanf(f, "version 4.8(%c)", &c)!=1 || c != 'w')\r
{ printf("telluser incompatible fmax.ini file\n"); exit(0); }\r
\r
+ gating = 0;
if(name != NULL)\r
{ /* search for game name in definition file */\r
- if(!strcmp(name, "fairy")) name = selectedFairy;\r
+ if(!strcmp(name, "fairy")) name = selectedFairy;
+ gating = !strcmp(name, "seirawan");\r
while((ptc=fscanf(f, "Game: %s # %s", buf, pieceToChar))==0 || strcmp(name, buf) ) {\r
while((c = fgetc(f)) != EOF && c != '\n');\r
count++;\r
tlim = (0.6-0.06*(BW-8))*(TimeLeft+(m-1)*TimeInc)/(m+7);\r
if(tlim>TimeLeft/15) tlim = TimeLeft/15;\r
PromPiece = 0; /* Always promote to Queen ourselves */\r
+ if(pl[Side+13])PromPiece=1;else if(pl[Side+15])PromPiece=-1; /* S-Chess gating */\r
N=0;K=I;\r
if (D(Side,-I,I,Q,O,LL|S,3)==I) {\r
Side ^= BLACK^WHITE;\r
+ if(b[K]&&Score+D(Side,-I,I,Q,2*S,2*S,2)>S)\r
+ prom=b[K]=0,J-=333,pl[30-Side-PromPiece]++; /* undo bad gating */\r
if(UnderProm>=0 && UnderProm != L)\r
{ printf("tellics I hate under-promotions!\n");\r
printf("resign { underpromotion } \n");\r
setupPosition[128] = Side;\r
setupPosition[129] = R;\r
for(i=0; i<32; i++) setupPosition[i+130] = pl[i];\r
+ Computer = EMPTY; // after edit: force mode!\r
continue;\r
}\r
/* command not recognized, assume input move */\r
if (m)\r
/* doesn't have move syntax */\r
printf("Error (unknown command): %s\n", command);\r
- else if(D(Side,-I,I,Q,O,LL|S,3)!=I) {\r
+ else { int i=-1;\r
+ if(b[L] && (b[L]&16) == Side && w[b[L]&15] < 0) // capture own King: castling\r
+ { i=K; K = L; L = i>L ? i-1 : i+2; }\r
+ if(D(Side,-I,I,Q,O,LL|S,3)!=I) {\r
/* did have move syntax, but illegal move */\r
printf("Illegal move:%s\n", line);\r
- } else { /* legal move, perform it */\r
+ } else { /* legal move, perform it */
+ if(i >= 0) b[i]=b[K],b[K]=0; // reverse Seirawan gating\r
GameHistory[GamePtr++] = PACK_MOVE;\r
Side ^= BLACK^WHITE;\r
CopyBoard(HistPtr=HistPtr+1&1023);\r
if(PrintResult(Side)) Computer = EMPTY;\r
+ }\r
}\r
}\r
}\r