char *array, *reason;\r
int bWidth, bHeight, bsize, zone, currentVariant;\r
int stm, xstm, hashKeyH, hashKeyL, framePtr, msp, nonCapts, rootEval, retMSP, retFirst, retDep, pvPtr, level, cnt50, chuFlag=1, tenFlag, mobilityScore;\r
-int nodes, startTime, tlim1, tlim2, repCnt;\r
+int nodes, startTime, tlim1, tlim2, repCnt, comp;\r
Move retMove, moveStack[10000], path[100], repStack[300], pv[1000], repeatMove[300];\r
\r
#define X 36 /* slider */\r
\r
// piece-square tables\r
for(i=0; i<BH; i++) for(j=0; j<BH; j++) {\r
- int s = BW*i + j, d = BH*(BH-2) - (2*i - BH + 1)*(2*i - BH + 1) - (2*j - BH + 1)*(2*j - BH + 1);\r
+ int s = BW*i + j, d = BH*(BH-2) - abs(2*i - BH + 1)*(BH-1) - (2*j - BH + 1)*(2*j - BH + 1);\r
+ PST[s] = 0;\r
PST[BH+s] = d/4 - (i == 0 || i == BH-1 ? 15 : 0) - (j == 0 || j == BH-1 ? 15 : 0);\r
PST[BH*BW+s] = d/6;\r
PST[BH*BW+BH+s] = d/12;\r
p[EDGE].qval = 5; // tenjiku jump-capturer sentinel\r
}\r
\r
+int\r
+PSTest ()\r
+{\r
+ int r, f, score, tot=0;\r
+ for(r=0; r<BH; r++) for(f=0; f<BH; f++) {\r
+ int s = BW*r+f;\r
+ int piece = board[s];\r
+ if(!piece) continue;\r
+ score = p[piece].value + PST[p[piece].pst + s];\r
+ if(piece & 1) tot += score; else tot -= score;\r
+ }\r
+ return tot;\r
+}\r
+\r
int flag;\r
\r
inline int\r
for(i=0; i<8; i++) { // scan all knight jumps to locate source\r
int x = sqr - nStep[i], attacker = board[x];\r
if(attacker == EMPTY || (attacker & TYPE) != stm) continue;\r
- if(p[attacker].range[i] <= N && p[attacker].range[i] >= S && p[attacker].range[i] != J) { // has Knight jump in our direction\r
+ if(p[attacker].range[i] <= L && p[attacker].range[i] >= S || p[attacker].range[i] == N) { // has Knight jump in our direction\r
NewCapture(x, sqr + victimValue, p[attacker].promoFlag); // plain jump (as in N)\r
if(p[attacker].range[i] < N) { // Lion power; generate double captures over two possible intermediates\r
int v = kStep[i]; // leftish path\r
nodes++;\r
pv[pvPtr++] = 0; // start empty PV, directly behind PV of parent\r
\r
- firstMove = curMove = sorted = msp += 20; // leave 20 empty slots in front of move list\r
+ firstMove = curMove = sorted = msp += 50; // leave 50 empty slots in front of move list\r
tb.fireMask = phase = 0; iterDep=1; replyDep = (depth < 1 ? depth : 1) - 1;\r
do {\r
if(flag && depth>= 0) printf("iter %d:%d\n", depth,iterDep),fflush(stdout);\r
#if 0\r
if(curEval >= beta) {\r
stm ^= WHITE;\r
- score = -Search(-beta, -iterAlpha, difEval, depth-3, promoSuppress & SQUARE, ABSENT);\r
+ score = -Search(-beta, -iterAlpha, -difEval, depth-3, promoSuppress & SQUARE, ABSENT);\r
stm ^= WHITE;\r
if(score >= beta) { msp = oldMSP; retDep += 3; return score + (score < curEval); }\r
}\r
// MOVE EXTRACTION\r
extractMove:\r
if(flag & depth >= 0) printf("%2d:%d extract %d/%d\n", depth, iterDep, curMove, msp);\r
- if(curMove < sorted) {\r
+ if(curMove > sorted) {\r
move = moveStack[sorted=j=curMove];\r
for(i=curMove+1; i<msp; i++)\r
if(moveStack[i] > move) move = moveStack[j=i]; // search move with highest priority\r
if(promoSuppress & PROMOTE) score = -INF; // non-Lion captures Lion after opponent did same\r
defer |= PROMOTE; // if we started, flag he cannot do it in reply\r
}\r
- if(score == -INF) { moveStack[curMove] = 0; goto abortMove; } // zap illegal moves\r
+ if(score == -INF) {\r
+ if(level == 1) repeatMove[repCnt++] = move & 0xFFFFFF | (p[tb.piece].value == 10*LVAL ? 3<<24 : 1 << 24);\r
+ moveStack[curMove] = 0; // zap illegal moves\r
+ goto abortMove;\r
+ }\r
}\r
#if 1\r
score = -Search(-beta, -iterAlpha, -difEval - tb.booty, replyDep, promoSuppress & ~PROMOTE, defer);\r
int i; // WB thinking output\r
printf("%d %d %d %d", iterDep, bestScore, (GetTickCount() - startTime)/10, nodes);\r
for(i=0; pv[i]; i++) printf(" %s", MoveToText(pv[i], 0));\r
- printf("\n"); fflush(stdout);\r
+ if(iterDep == 1) printf(" { root eval = %4.2f dif = %4.2f; abs = %4.2f}", curEval/100., difEval/100., PSTest()/100.);\r
+ printf("\n");\r
+ fflush(stdout);\r
}\r
if(GetTickCount() - startTime > tlim1) break; // do not start iteration we can (most likely) not finish\r
}\r
for(i=retFirst; i<retMSP; i++) printf("# %d. %08x %08x %s\n", i-50, moveStack[i], ret, MoveToText(moveStack[i], 0));\r
reason = NULL;\r
for(i=0; i<repCnt; i++) {if((repeatMove[i] & 0xFFFFFF) == ret) {\r
- reason = "Repeats earlier position";\r
+ if(repeatMove[i] & 1<<24) reason = (repeatMove[i] & 1<<25 ? "Distant capture of protected Lion" : "Counterstrike against Lion");\r
+ else reason = "Repeats earlier position";\r
break;\r
}\r
printf("# %d. %08x %08x %s\n", i, repeatMove[i], ret, MoveToText(repeatMove[i], 0));\r
int\r
SearchBestMove (int stm, int timeLeft, int mps, int timeControl, int inc, int timePerMove, MOVE *move, MOVE *ponderMove)\r
{\r
- int score, targetTime, movesLeft = 50;\r
+ int score, targetTime, movesLeft = BW*BH/4 + 20;\r
if(mps) movesLeft = mps - (moveNr>>1)%mps;\r
targetTime = timeLeft*10 / (movesLeft + 2) + 1000 * inc;\r
+ if(moveNr < 30) targetTime *= 0.5 + moveNr/60.; // speedup in opening\r
if(timePerMove > 0) targetTime = timeLeft * 5;\r
startTime = GetTickCount();\r
tlim1 = 0.2*targetTime;\r
if(!strcmp(command, "memory")) { SetMemorySize(atoi(inBuf+7)); continue; }\r
if(!strcmp(command, "ping")) { printf("pong%s", inBuf+4); continue; }\r
// if(!strcmp(command, "")) { sscanf(inBuf, " %d", &); continue; }\r
- if(!strcmp(command, "new")) { engineSide = BLACK; Init(V_CHESS); stm = Setup2(DEFAULT_FEN); maxDepth = MAXPLY; randomize = OFF; continue; }\r
+ if(!strcmp(command, "new")) {\r
+ engineSide = BLACK; Init(V_CHESS); stm = Setup2(DEFAULT_FEN); maxDepth = MAXPLY; randomize = OFF; comp = 0;\r
+ continue;\r
+ }\r
if(!strcmp(command, "setboard")){ engineSide = NONE; stm = Setup2(inBuf+9); continue; }\r
if(!strcmp(command, "easy")) { ponder = OFF; continue; }\r
if(!strcmp(command, "hard")) { ponder = ON; continue; }\r
if(!strcmp(command, "l")) { pplist(); continue; }\r
// ignored commands:\r
if(!strcmp(command, "xboard")) { continue; }\r
- if(!strcmp(command, "computer")){ continue; }\r
+ if(!strcmp(command, "computer")){ comp = 1; continue; }\r
if(!strcmp(command, "name")) { continue; }\r
if(!strcmp(command, "ics")) { continue; }\r
if(!strcmp(command, "accepted")){ continue; }\r
int move = ParseMove(inBuf+9);\r
if(move == INVALID) {\r
if(reason) printf("Illegal move {%s}\n", reason); else printf("%s\n", reason="Illegal move");\r
+ if(comp) PrintResult(stm, -INF); // against computer: claim\r
} else {\r
stm = MakeMove2(stm, move);\r
ponderMove = INVALID;\r
projects / hachu.git / blobdiff