public static int GetPvLine(int depth, ref boardStruct brett)
{
Debug.Assert(depth < defs.MAXTIEFE && depth >= 1);
int move = ProbePvMove(ref brett);
int count = 0;
while (move != defs.NOMOVE && count < depth)
{
Debug.Assert(count < defs.MAXTIEFE);
if (movegen.MoveExists(ref brett, move))
{
makemove.MakeMove(move, ref brett);
brett.PvArray[count++] = move;
}
else
{
break;
}
move = ProbePvMove(ref brett);
}
while (brett.ply > 0)
{
makemove.TakeMove(ref brett);
}
return(count);
}
static bool DrawMaterial(ref boardStruct brett)
{
Debug.Assert(board.CheckBoard(ref brett));
if (brett.pceNum[(int)defs.Figuren.wB] != 0 || brett.pceNum[(int)defs.Figuren.sB] != 0)
{
return(false);
}
if (brett.pceNum[(int)defs.Figuren.wD] != 0 || brett.pceNum[(int)defs.Figuren.sD] != 0 || brett.pceNum[(int)defs.Figuren.wT] != 0 || brett.pceNum[(int)defs.Figuren.sT] != 0)
{
return(false);
}
if (brett.pceNum[(int)defs.Figuren.wL] > 1 || brett.pceNum[(int)defs.Figuren.wL] > 1)
{
return(false);
}
if (brett.pceNum[(int)defs.Figuren.wP] > 1 || brett.pceNum[(int)defs.Figuren.sP] > 1)
{
return(false);
}
if (brett.pceNum[(int)defs.Figuren.wP] != 0 && brett.pceNum[(int)defs.Figuren.wL] != 0)
{
return(false);
}
if (brett.pceNum[(int)defs.Figuren.sP] != 0 && brett.pceNum[(int)defs.Figuren.sL] != 0)
{
return(false);
}
return(true);
}
public static void PerftTest(int depth, ref movelist list, ref boardStruct brett)
{
Debug.Assert(board.CheckBoard(ref brett));
Console.Write("\nStarting Test To Depth:" + depth + "\n");
leafNodes = 0;
Stopwatch timer = new Stopwatch();
timer.Start();
movegen.GenerateAllMoves(ref list, ref brett);
int move;
int MoveNum = 0;
for (MoveNum = 0; MoveNum < list.anzahlZüge; ++MoveNum)
{
move = list.zugliste[MoveNum].Zug;
if (!makemove.MakeMove(move, ref brett))
{
continue;
}
long newnodes = leafNodes;
Perft(depth - 1, ref brett);
makemove.TakeMove(ref brett);
long oldnodes = leafNodes - newnodes;
Console.Write(String.Format("move {0} : {1} : {2}\n", MoveNum + 1, io.PrMove(move), oldnodes));
}
timer.Stop();
Console.Write(String.Format("\nTest Complete : {0} nodes visited in {1}ms\n", leafNodes, timer.ElapsedMilliseconds));
}
static int ConvertPolyMoveToInternalMove(ushort polyMove, ref boardStruct brett)
{
int ff = (polyMove >> 6) & 7;
int fr = (polyMove >> 9) & 7;
int tf = (polyMove >> 0) & 7;
int tr = (polyMove >> 3) & 7;
int pp = (polyMove >> 12) & 7;
string ret;
if (pp == 0)
{
ret = data.FileChar[ff].ToString() + data.RankChar[fr].ToString() + data.FileChar[tf].ToString() + data.RankChar[tr].ToString();
}
else
{
char promChar = 'q';
switch (pp)
{
case 1: promChar = 'n'; break;
case 2: promChar = 'b'; break;
case 3: promChar = 'r'; break;
}
ret = data.FileChar[ff].ToString() + data.RankChar[fr].ToString() + data.FileChar[tf].ToString() + data.RankChar[tr].ToString() + promChar.ToString();
}
return(io.ParseMove(ret, ref brett));
}
public static bool HasPawnForCapture(ref boardStruct brett)
{
int sqWithPawn = 0;
int targetPce = (brett.seite == (int)defs.Farben.WEISS) ? (int)defs.Figuren.wB : (int)defs.Figuren.sB;
if (brett.enPas != (int)defs.Felder.NO_SQ)
{
if (brett.seite == (int)defs.Farben.WEISS)
{
sqWithPawn = brett.enPas - 10;
}
else
{
sqWithPawn = brett.enPas + 10;
}
if (brett.figuren[sqWithPawn + 1] == targetPce)
{
return(true);
}
else if (brett.figuren[sqWithPawn - 1] == targetPce)
{
return(true);
}
}
return(false);
}
static void Main(string[] args)
{
Process.GetCurrentProcess().ProcessorAffinity = new IntPtr(2);
Process.GetCurrentProcess().PriorityClass = ProcessPriorityClass.High;
Thread.CurrentThread.Priority = ThreadPriority.Highest;
boardStruct brett = new boardStruct();
movelist list = new movelist();
suchInfo info = new suchInfo();
init.AllInit(ref brett);
bool loop = true;
while (loop)
{
loop = false;
Console.Write("\nGeben sie \"uci\" für den uci modus und \"vwa\" für den Konsolen modus ein: ");
string input = Console.ReadLine();
if (input.Length > 2 && string.Equals(input.Substring(0, 3), "uci", StringComparison.CurrentCultureIgnoreCase))
{
uci.Uci_Loop(ref brett, ref info);
}
if (input.Length > 2 && string.Equals(input.Substring(0, 3), "vwa", StringComparison.CurrentCultureIgnoreCase))
{
Console.Clear();
xboard.Console_Loop(ref brett, ref info);
}
else
{
loop = true;
}
}
}
public static string PrintBoard(ref boardStruct brett)
{
string ret = "";
int sq, file, rank, piece;
ret += "\nSpiel Brett:\n\n";
for (rank = (int)defs.Zeilen.ZEILE_8; rank >= (int)defs.Zeilen.ZEILE_1; rank--)
{
ret += rank + 1 + " ";
for (file = (int)defs.Spalten.SPALTE_A; file <= (int)defs.Spalten.SPALTE_H; file++)
{
sq = makros.SZ2SQ(file, rank);
piece = brett.figuren[sq];
ret += data.PceChar[piece].ToString().PadLeft(3);
}
ret += "\n";
}
ret += "\n ";
for (file = (int)defs.Spalten.SPALTE_A; file <= (int)defs.Spalten.SPALTE_H; file++)
{
ret += io.Number2String(file, true) + " ";
}
ret += "\n\n";
ret += "Seite: " + data.SideChar[brett.seite] + "\n";
ret += "enPas: "******"Å101" ? PrSq(brett.enPas) : "-") + "\n";
ret += "Rochade: " + ((brett.rochadePerm & (int)defs.Rochade.WKRC) == (int)defs.Rochade.WKRC ? "K" : "-") + ((brett.rochadePerm & (int)defs.Rochade.WDRC) == (int)defs.Rochade.WDRC ? "D" : "-") + ((brett.rochadePerm & (int)defs.Rochade.SKRC) == (int)defs.Rochade.SKRC ? "k" : "-") + ((brett.rochadePerm & (int)defs.Rochade.SDRC) == (int)defs.Rochade.SDRC ? "d" : "-") + "\n";
ret += String.Format("PosKey: {0:X}", brett.posKey);
return(ret);
}
public static void MakeNullMove(ref boardStruct brett)
{
Debug.Assert(board.CheckBoard(ref brett));
Debug.Assert(!attack.SqAttacked(brett.KönigSq[brett.seite], brett.seite ^ 1, ref brett));
brett.ply++;
brett.history[brett.hisPly].PosKey = brett.posKey;
if (brett.enPas != (int)defs.Felder.NO_SQ)
{
makros.HashInEnPassant(ref brett);
}
brett.history[brett.hisPly].Zug = defs.NOMOVE;
brett.history[brett.hisPly].FiftyMove = brett.fiftyMove;
brett.history[brett.hisPly].EnPas = brett.enPas;
brett.history[brett.hisPly].RochadePerm = brett.rochadePerm;
brett.enPas = (int)defs.Felder.NO_SQ;
brett.seite ^= 1;
brett.hisPly++;
makros.HashInSide(ref brett);
Debug.Assert(board.CheckBoard(ref brett));
Debug.Assert(brett.hisPly >= 0 && brett.hisPly < defs.MAXSPIELZÜGE);
Debug.Assert(brett.ply >= 0 && brett.ply < defs.MAXTIEFE);
return;
}
public static void MovePiece(int from, int to, ref boardStruct brett)
{
Debug.Assert(validate.SqOnBoard(from));
Debug.Assert(validate.SqOnBoard(to));
int index = 0;
int pce = brett.figuren[from];
int col = data.PieceCol[pce];
Debug.Assert(validate.SideValid(col));
Debug.Assert(validate.PieceValid(pce));
makros.HashInPiece(pce, from, ref brett);
brett.figuren[from] = (int)defs.Figuren.LEER;
makros.HashInPiece(pce, to, ref brett);
brett.figuren[to] = pce;
if (!data.PieceBig[pce])
{
makros.ClearBit(ref brett.bauern[col], defs.Sq120ToSq64[from]);
makros.ClearBit(ref brett.bauern[(int)defs.Farben.BEIDE], defs.Sq120ToSq64[from]);
makros.SetBit(ref brett.bauern[col], defs.Sq120ToSq64[to]);
makros.SetBit(ref brett.bauern[(int)defs.Farben.BEIDE], defs.Sq120ToSq64[to]);
}
for (index = 0; index < brett.pceNum[pce]; ++index)
{
if (brett.fListe[pce, index] == from)
{
brett.fListe[pce, index] = to;
break;
}
}
}
static void ClearForSearch(ref boardStruct brett, ref suchInfo info)
{
int index = 0;
int index2 = 0;
for (index = 0; index < 13; ++index)
{
for (index2 = 0; index2 < defs.BRD_SQ_NUM; ++index2)
{
brett.searchHistory[index, index2] = 0;
}
}
for (index = 0; index < 2; ++index)
{
for (index2 = 0; index2 < defs.MAXTIEFE; ++index2)
{
brett.searchKillers[index, index2] = 0;
}
}
brett.PvTable.overWrite = 0;
brett.PvTable.hit = 0;
brett.PvTable.cut = 0;
brett.ply = 0;
PvTable.ClearPvTable(ref brett.PvTable);
info.stopped = false;
info.nodes = 0;
info.fh = 0;
info.fhf = 0;
}
public static void TakeNullMove(ref boardStruct brett)
{
Debug.Assert(board.CheckBoard(ref brett));
brett.hisPly--;
brett.ply--;
if (brett.enPas != (int)defs.Felder.NO_SQ)
{
makros.HashInEnPassant(ref brett);
}
brett.rochadePerm = brett.history[brett.hisPly].RochadePerm;
brett.fiftyMove = brett.history[brett.hisPly].FiftyMove;
brett.enPas = brett.history[brett.hisPly].EnPas;
if (brett.enPas != (int)defs.Felder.NO_SQ)
{
makros.HashInEnPassant(ref brett);
}
brett.seite ^= 1;
makros.HashInSide(ref brett);
Debug.Assert(board.CheckBoard(ref brett));
Debug.Assert(brett.hisPly >= 0 && brett.hisPly < defs.MAXSPIELZÜGE);
Debug.Assert(brett.ply >= 0 && brett.ply < defs.MAXTIEFE);
}
public static void AddPiece(int sq, int pce, ref boardStruct brett)
{
Debug.Assert(validate.PieceValid(pce));
Debug.Assert(validate.SqOnBoard(sq));
int col = data.PieceCol[pce];
Debug.Assert(validate.SideValid(col));
makros.HashInPiece(pce, sq, ref brett);
brett.figuren[sq] = pce;
if (data.PieceBig[pce])
{
brett.bigPce[col]++;
if (data.PieceMaj[pce])
{
brett.majPce[col]++;
}
else
{
brett.minPce[col]++;
}
}
else
{
makros.SetBit(ref brett.bauern[col], defs.Sq120ToSq64[sq]);
makros.SetBit(ref brett.bauern[(int)defs.Farben.BEIDE], defs.Sq120ToSq64[sq]);
}
brett.material[col] += data.PieceVal[pce];
brett.fListe[pce, brett.pceNum[pce]++] = sq;
}
public static void Perft(int depth, ref boardStruct brett)
{
Debug.Assert(board.CheckBoard(ref brett));
if (depth == 0)
{
leafNodes++;
return;
}
movelist list = new movelist();
movegen.GenerateAllMoves(ref list, ref brett);
int MoveNum = 0;
for (MoveNum = 0; MoveNum < list.anzahlZüge; ++MoveNum)
{
if (!makemove.MakeMove(list.zugliste[MoveNum].Zug, ref brett))
{
continue;
}
Perft(depth - 1, ref brett);
makemove.TakeMove(ref brett);
}
return;
}
public static ulong GeneratePosKey(ref boardStruct brett)
{
int sq = 0;
ulong Key = 0;
int piece = (int)defs.Figuren.LEER;
// pieces
for (sq = 0; sq < defs.BRD_SQ_NUM; ++sq)
{
piece = brett.figuren[sq];
if (piece != (int)defs.Felder.NO_SQ && piece != (int)defs.Figuren.LEER && piece != (int)defs.Felder.OFFBOARD)
{
Key ^= PieceKeys[piece, sq];
}
}
if (brett.seite == (int)defs.Farben.WEISS)
{
Key ^= SideKey;
}
if (brett.enPas != (int)defs.Felder.NO_SQ)
{
Key ^= PieceKeys[(int)defs.Figuren.LEER, brett.enPas];
}
Key ^= CastleKeys[brett.rochadePerm];
return(Key);
}
//zum kompletten umdrehen einer position damit man evaluierungsfunktion nur für weis schreiben muss
public static void MirrorBoard(ref boardStruct brett)
{
int[] tempPiecesArray = new int [64];
int tempSide = brett.seite ^ 1;
int[] SwapPiece = { (int)defs.Figuren.LEER, (int)defs.Figuren.sB, (int)defs.Figuren.sP, (int)defs.Figuren.sL, (int)defs.Figuren.sT, (int)defs.Figuren.sD, (int)defs.Figuren.sK, (int)defs.Figuren.wB, (int)defs.Figuren.wP, (int)defs.Figuren.wL, (int)defs.Figuren.wT, (int)defs.Figuren.wD, (int)defs.Figuren.wK };
int tempCastlePerm = 0;
int tempEnPas = (int)defs.Felder.NO_SQ;
int sq;
int tp;
if ((brett.rochadePerm & (int)defs.Rochade.WKRC) != 0)
{
tempCastlePerm |= (int)defs.Rochade.SKRC;
}
if ((brett.rochadePerm & (int)defs.Rochade.WDRC) != 0)
{
tempCastlePerm |= (int)defs.Rochade.SDRC;
}
if ((brett.rochadePerm & (int)defs.Rochade.SKRC) != 0)
{
tempCastlePerm |= (int)defs.Rochade.SKRC;
}
if ((brett.rochadePerm & (int)defs.Rochade.SDRC) != 0)
{
tempCastlePerm |= (int)defs.Rochade.SDRC;
}
if (brett.enPas != (int)defs.Felder.NO_SQ)
{
tempEnPas = defs.Sq64ToSq120[data.Mirror64[defs.Sq120ToSq64[brett.enPas]]];
}
for (sq = 0; sq < 64; sq++)
{
tempPiecesArray[sq] = brett.figuren[defs.Sq64ToSq120[data.Mirror64[sq]]];
}
ResetBoard(ref brett);
for (sq = 0; sq < 64; sq++)
{
tp = SwapPiece[tempPiecesArray[sq]];
brett.figuren[defs.Sq64ToSq120[sq]] = tp;
}
brett.seite = tempSide;
brett.rochadePerm = tempCastlePerm;
brett.enPas = tempEnPas;
brett.posKey = hashkeys.GeneratePosKey(ref brett);
UpdateListsMaterial(ref brett);
Debug.Assert(CheckBoard(ref brett));
}
public static void ClearPiece(int sq, ref boardStruct brett)
{
Debug.Assert(validate.SqOnBoard(sq));
Debug.Assert(board.CheckBoard(ref brett));
int pce = brett.figuren[sq];
Debug.Assert(validate.PieceValid(pce));
int col = data.PieceCol[pce];
int index = 0;
int t_pceNum = -1;
Debug.Assert(validate.SideValid(col));
makros.HashInPiece(pce, sq, ref brett);
brett.figuren[sq] = (int)defs.Figuren.LEER;
brett.material[col] -= data.PieceVal[pce];
if (data.PieceBig[pce])
{
brett.bigPce[col]--;
if (data.PieceMaj[pce])
{
brett.majPce[col]--;
}
else
{
brett.minPce[col]--;
}
}
else
{
makros.ClearBit(ref brett.bauern[col], defs.Sq120ToSq64[sq]);
makros.ClearBit(ref brett.bauern[(int)defs.Farben.BEIDE], defs.Sq120ToSq64[sq]);
}
for (index = 0; index < brett.pceNum[pce]; ++index)
{
if (brett.fListe[pce, index] == sq)
{
t_pceNum = index;
break;
}
}
Debug.Assert(t_pceNum != -1);
Debug.Assert(t_pceNum >= 0 && t_pceNum < 10);
brett.pceNum[pce]--;
brett.fListe[pce, t_pceNum] = brett.fListe[pce, brett.pceNum[pce]];
}
public static void AllInit(ref boardStruct brett)
{
InitSq120To64();
InitBitMasks();
InitHashKeys();
InitFilesRanksBrd();
PvTable.InitHashTable(ref brett.PvTable, 500);
movegen.InitMvvLva();
InitEvaluationMasks();
polybook.InitPolyBook();
}
public static bool IsRepetition(ref boardStruct brett)
{
for (int index = brett.hisPly - brett.fiftyMove; index < brett.hisPly - 1; ++index)
{
Debug.Assert(index >= 0 && index < defs.MAXSPIELZÜGE);
if (brett.posKey == brett.history[index].PosKey)
{
return(true);
}
}
return(false);
}
public static void UpdateListsMaterial(ref boardStruct brett)
{
int piece, sq, index, colour;
for (index = 0; index < defs.BRD_SQ_NUM; ++index)
{
sq = index;
piece = brett.figuren[index];
if (piece != (int)defs.Felder.OFFBOARD && piece != (int)defs.Figuren.LEER)
{
colour = data.PieceCol[piece];
if (data.PieceBig[piece])
{
brett.bigPce[colour]++;
}
if (data.PieceMin[piece])
{
brett.minPce[colour]++;
}
if (data.PieceMaj[piece])
{
brett.majPce[colour]++;
}
brett.material[colour] += data.PieceVal[piece];
brett.fListe[piece, brett.pceNum[piece]] = sq;
brett.pceNum[piece]++;
if (piece == (int)defs.Figuren.wK)
{
brett.KönigSq[(int)defs.Farben.WEISS] = sq;
}
if (piece == (int)defs.Figuren.sK)
{
brett.KönigSq[(int)defs.Farben.SCHWARZ] = sq;
}
if (piece == (int)defs.Figuren.wB)
{
makros.SetBit(ref brett.bauern[(int)defs.Farben.WEISS], defs.Sq120ToSq64[sq]);
makros.SetBit(ref brett.bauern[(int)defs.Farben.BEIDE], defs.Sq120ToSq64[sq]);
}
else if (piece == (int)defs.Figuren.sB)
{
makros.SetBit(ref brett.bauern[(int)defs.Farben.SCHWARZ], defs.Sq120ToSq64[sq]);
makros.SetBit(ref brett.bauern[(int)defs.Farben.BEIDE], defs.Sq120ToSq64[sq]);
}
}
}
}
static bool MaterialDraw(ref boardStruct brett)
{
if (brett.pceNum[(int)defs.Figuren.wT] == 0 && brett.pceNum[(int)defs.Figuren.sT] == 0 && brett.pceNum[(int)defs.Figuren.wD] == 0 && brett.pceNum[(int)defs.Figuren.sD] == 0)
{
if (brett.pceNum[(int)defs.Figuren.sL] == 0 && brett.pceNum[(int)defs.Figuren.wL] == 0)
{
if (brett.pceNum[(int)defs.Figuren.wP] < 3 && brett.pceNum[(int)defs.Figuren.sP] < 3)
{
return(true);
}
}
else if (brett.pceNum[(int)defs.Figuren.wP] == 0 && brett.pceNum[(int)defs.Figuren.sP] == 0)
{
if (Math.Abs(brett.pceNum[(int)defs.Figuren.wL] - brett.pceNum[(int)defs.Figuren.sL]) < 2)
{
return(true);
}
}
else if ((brett.pceNum[(int)defs.Figuren.wP] < 3 && brett.pceNum[(int)defs.Figuren.wL] == 0) || (brett.pceNum[(int)defs.Figuren.wL] == 1 && brett.pceNum[(int)defs.Figuren.wP] == 0))
{
if ((brett.pceNum[(int)defs.Figuren.sP] < 3 && brett.pceNum[(int)defs.Figuren.sL] == 0) || (brett.pceNum[(int)defs.Figuren.sL] == 1 && brett.pceNum[(int)defs.Figuren.sP] == 0))
{
return(true);
}
}
}
else if (brett.pceNum[(int)defs.Figuren.wD] == 0 && brett.pceNum[(int)defs.Figuren.sD] == 0)
{
if (brett.pceNum[(int)defs.Figuren.wT] == 1 && brett.pceNum[(int)defs.Figuren.sT] == 1)
{
if ((brett.pceNum[(int)defs.Figuren.wP] + brett.pceNum[(int)defs.Figuren.wL]) < 2 && (brett.pceNum[(int)defs.Figuren.sP] + brett.pceNum[(int)defs.Figuren.sL]) < 2)
{
return(true);
}
}
else if (brett.pceNum[(int)defs.Figuren.wT] == 1 && brett.pceNum[(int)defs.Figuren.sT] == 0)
{
if ((brett.pceNum[(int)defs.Figuren.wP] + brett.pceNum[(int)defs.Figuren.wL] == 0) && (((brett.pceNum[(int)defs.Figuren.sP] + brett.pceNum[(int)defs.Figuren.sL]) == 1) || ((brett.pceNum[(int)defs.Figuren.sP] + brett.pceNum[(int)defs.Figuren.sL]) == 2)))
{
return(true);
}
}
else if (brett.pceNum[(int)defs.Figuren.sT] == 1 && brett.pceNum[(int)defs.Figuren.wT] == 0)
{
if ((brett.pceNum[(int)defs.Figuren.sP] + brett.pceNum[(int)defs.Figuren.sL] == 0) && (((brett.pceNum[(int)defs.Figuren.wP] + brett.pceNum[(int)defs.Figuren.wL]) == 1) || ((brett.pceNum[(int)defs.Figuren.wP] + brett.pceNum[(int)defs.Figuren.wL]) == 2)))
{
return(true);
}
}
}
return(false);
}
static void AddBlackPawnMove(int from, int to, ref movelist list, ref boardStruct brett)
{
if (defs.RanksBrd[from] == (int)defs.Zeilen.ZEILE_2)
{
AddQuietMove(makros.ZugGenerieren(from, to, (int)defs.Figuren.LEER, (int)defs.Figuren.sD, 0), ref list, ref brett);
AddQuietMove(makros.ZugGenerieren(from, to, (int)defs.Figuren.LEER, (int)defs.Figuren.sT, 0), ref list, ref brett);
AddQuietMove(makros.ZugGenerieren(from, to, (int)defs.Figuren.LEER, (int)defs.Figuren.sL, 0), ref list, ref brett);
AddQuietMove(makros.ZugGenerieren(from, to, (int)defs.Figuren.LEER, (int)defs.Figuren.sP, 0), ref list, ref brett);
}
else
{
AddQuietMove(makros.ZugGenerieren(from, to, (int)defs.Figuren.LEER, (int)defs.Figuren.LEER, 0), ref list, ref brett);
}
}
static int ThreeFoldRep(ref boardStruct brett)
{
Debug.Assert(board.CheckBoard(ref brett));
int r = 0;
for (int i = 0; i < brett.hisPly; ++i)
{
if (brett.history[i].PosKey == brett.posKey)
{
r++;
}
}
return(r);
}
public static void ResetBoard(ref boardStruct brett)
{
for (int index = 0; index < defs.BRD_SQ_NUM; ++index)
{
brett.figuren[index] = (int)defs.Felder.OFFBOARD;
}
for (int index = 0; index < 64; ++index)
{
brett.figuren[defs.Sq64ToSq120[index]] = (int)defs.Figuren.LEER;
}
for (int index = 0; index < 2; ++index)
{
brett.bigPce[index] = 0;
brett.majPce[index] = 0;
brett.minPce[index] = 0;
}
for (int index = 0; index < 3; ++index)
{
brett.bauern[index] = 0UL;
brett.material[index] = 0;
}
for (int index = 0; index < 13; ++index)
{
brett.pceNum[index] = 0;
}
brett.KönigSq[(int)defs.Farben.WEISS] = brett.KönigSq[(int)defs.Farben.SCHWARZ] = (int)defs.Felder.NO_SQ;
brett.seite = (int)defs.Farben.BEIDE;
brett.enPas = (int)defs.Felder.NO_SQ;
brett.fiftyMove = 0;
brett.ply = 0;
brett.hisPly = 0;
brett.rochadePerm = 0;
brett.posKey = 0UL;
}
static void AddQuietMove(int zug, ref movelist list, ref boardStruct brett)
{
list.zugliste[list.anzahlZüge].Zug = zug;
if (brett.searchKillers[0, brett.ply] == zug)
{
list.zugliste[list.anzahlZüge].Wertung = 900000;
}
else if (brett.searchKillers[1, brett.ply] == zug)
{
list.zugliste[list.anzahlZüge].Wertung = 800000;
}
else
{
list.zugliste[list.anzahlZüge].Wertung = brett.searchHistory[brett.figuren[makros.FromSq(zug)], makros.ToSq(zug)];
}
list.anzahlZüge++;
}
public static bool MoveExists(ref boardStruct brett, int move)
{
movelist list = new movelist();
GenerateAllMoves(ref list, ref brett);
int MoveNum = 0;
for (MoveNum = 0; MoveNum < list.anzahlZüge; ++MoveNum)
{
if (!makemove.MakeMove(list.zugliste[MoveNum].Zug, ref brett))
{
continue;
}
makemove.TakeMove(ref brett);
if (list.zugliste[MoveNum].Zug == move)
{
return(true);
}
}
return(false);
}
public static int GetBookMove(ref boardStruct brett)
{
ushort move;
int MAXBOOKMOVES = 32;
int[] bookMoves = new int[MAXBOOKMOVES];
int tempMove = defs.NOMOVE;
int count = 0;
ulong polyKey = PolyKeyFromBoard(ref brett);
for (int i = 0; i < entries.Length; i++)
{
if (polyKey == endian_swap_u64(entries[i].key))
{
move = endian_swap_u16(entries[i].move);
tempMove = ConvertPolyMoveToInternalMove(move, ref brett);
if (tempMove != defs.NOMOVE)
{
bookMoves[count++] = tempMove;
if (count > MAXBOOKMOVES)
{
break;
}
}
}
}
if (count != 0)
{
Random rnd = new Random();
int i = rnd.Next(0, count);
return(bookMoves[i]);
}
else
{
return(defs.NOMOVE);
}
}
public static int ProbePvMove(ref boardStruct brett)
{
int index = Convert.ToInt32(Convert.ToUInt64(brett.posKey) % Convert.ToUInt64(brett.PvTable.numEntries));
try
{
if (brett.PvTable.hashTable[index].posKey == 0)
{
;
}
}
catch
{
brett.PvTable.hashTable[index] = new hashEntry(0, 0, 0, 0, 0);
}
if (brett.PvTable.hashTable[index].posKey == brett.posKey)
{
return(brett.PvTable.hashTable[index].move);
}
return(defs.NOMOVE);
}
public static void ParsePosition(string input, ref boardStruct brett)
{
if (input.Substring(9, 8) == "startpos")
{
board.ParseFen(defs.START, ref brett);
}
else
{
board.ParseFen(input.Substring(13), ref brett);
}
int pointer = input.IndexOf("moves");
int move;
if (pointer != -1)
{
pointer += 6;
while (pointer < input.Length)
{
move = io.ParseMove(input.Substring(pointer), ref brett);
if (move == defs.NOMOVE)
{
break;
}
makemove.MakeMove(move, ref brett);
brett.ply = 0;
while (pointer < input.Length && input[pointer] != ' ')
{
pointer++;
}
pointer++;
}
}
Console.WriteLine(io.PrintBoard(ref brett));
}
public static void StoreHashEntry(int move, int score, int flags, int depth, ref boardStruct brett)
{
int index = Convert.ToInt32(Convert.ToUInt64(brett.posKey) % Convert.ToUInt64(brett.PvTable.numEntries));
if (brett.PvTable.hashTable[index].posKey == 0)
{
brett.PvTable.newWrite++;
}
else
{
brett.PvTable.overWrite++;
}
if (score > defs.ISMATE)
{
score += brett.ply;
}
else if (score < -defs.ISMATE)
{
score -= brett.ply;
}
brett.PvTable.hashTable[index] = new hashEntry(brett.posKey, move, score, depth, flags);
}
public static int EvalPosition(ref boardStruct brett)
{
int pce;
int pceNum;
int sq;
int score = brett.material[(int)defs.Farben.WEISS] - brett.material[(int)defs.Farben.SCHWARZ];
if (brett.pceNum[(int)defs.Figuren.wB] == 0 && brett.pceNum[(int)defs.Figuren.sB] == 0 && MaterialDraw(ref brett))
{
return(0);
}
pce = (int)defs.Figuren.wB;
for (pceNum = 0; pceNum < brett.pceNum[pce]; ++pceNum)
{
sq = brett.fListe[pce, pceNum];
score += PawnTable[defs.Sq120ToSq64[sq]];
if ((defs.IsolatedMask[defs.Sq120ToSq64[sq]] & brett.bauern[(int)defs.Farben.WEISS]) == 0)
{
score += PawnIsolated;
}
if ((defs.WhitePassedMask[defs.Sq120ToSq64[sq]] & brett.bauern[(int)defs.Farben.SCHWARZ]) == 0)
{
score += PawnPassed[defs.RanksBrd[sq]];
}
}
pce = (int)defs.Figuren.sB;
for (pceNum = 0; pceNum < brett.pceNum[pce]; ++pceNum)
{
sq = brett.fListe[pce, pceNum];
score -= PawnTable[data.Mirror64[defs.Sq120ToSq64[sq]]];
if ((defs.IsolatedMask[defs.Sq120ToSq64[sq]] & brett.bauern[(int)defs.Farben.SCHWARZ]) == 0)
{
//Console.WriteLine("bP Iso:" + io.PrSq(sq));
score -= PawnIsolated;
}
if ((defs.BlackPassedMask[defs.Sq120ToSq64[sq]] & brett.bauern[(int)defs.Farben.WEISS]) == 0)
{
//Console.WriteLine("bP Passed:" + io.PrSq(sq));
score -= PawnPassed[7 - defs.RanksBrd[sq]];
}
}
pce = (int)defs.Figuren.wP;
for (pceNum = 0; pceNum < brett.pceNum[pce]; ++pceNum)
{
sq = brett.fListe[pce, pceNum];
Debug.Assert(validate.SqOnBoard(sq));
score += KnightTable[defs.Sq120ToSq64[sq]];
}
pce = (int)defs.Figuren.sP;
for (pceNum = 0; pceNum < brett.pceNum[pce]; ++pceNum)
{
sq = brett.fListe[pce, pceNum];
Debug.Assert(validate.SqOnBoard(sq));
score -= KnightTable[data.Mirror64[defs.Sq120ToSq64[sq]]];
}
pce = (int)defs.Figuren.wL;
for (pceNum = 0; pceNum < brett.pceNum[pce]; ++pceNum)
{
sq = brett.fListe[pce, pceNum];
Debug.Assert(validate.SqOnBoard(sq));
score += BishopTable[defs.Sq120ToSq64[sq]];
}
pce = (int)defs.Figuren.sL;
for (pceNum = 0; pceNum < brett.pceNum[pce]; ++pceNum)
{
sq = brett.fListe[pce, pceNum];
Debug.Assert(validate.SqOnBoard(sq));
score -= BishopTable[data.Mirror64[defs.Sq120ToSq64[sq]]];
}
pce = (int)defs.Figuren.wT;
for (pceNum = 0; pceNum < brett.pceNum[pce]; ++pceNum)
{
sq = brett.fListe[pce, pceNum];
Debug.Assert(validate.SqOnBoard(sq));
score += RookTable[defs.Sq120ToSq64[sq]];
if ((brett.bauern[(int)defs.Farben.BEIDE] & defs.FileMask[defs.FilesBrd[sq]]) == 0)
{
score += RookOpenFile;
}
else if ((brett.bauern[(int)defs.Farben.WEISS] & defs.FileMask[defs.FilesBrd[sq]]) == 0)
{
score += RookSemiOpenFile;
}
}
pce = (int)defs.Figuren.sT;
for (pceNum = 0; pceNum < brett.pceNum[pce]; ++pceNum)
{
sq = brett.fListe[pce, pceNum];
Debug.Assert(validate.SqOnBoard(sq));
score -= RookTable[data.Mirror64[defs.Sq120ToSq64[sq]]];
if ((brett.bauern[(int)defs.Farben.BEIDE] & defs.FileMask[defs.FilesBrd[sq]]) == 0)
{
score -= RookOpenFile;
}
else if ((brett.bauern[(int)defs.Farben.SCHWARZ] & defs.FileMask[defs.FilesBrd[sq]]) == 0)
{
score -= RookSemiOpenFile;
}
}
pce = (int)defs.Figuren.wD;
for (pceNum = 0; pceNum < brett.pceNum[pce]; ++pceNum)
{
sq = brett.fListe[pce, pceNum];
if ((brett.bauern[(int)defs.Farben.BEIDE] & defs.FileMask[defs.FilesBrd[sq]]) == 0)
{
score += QueenOpenFile;
}
else if ((brett.bauern[(int)defs.Farben.WEISS] & defs.FileMask[defs.FilesBrd[sq]]) == 0)
{
score += QueenSemiOpenFile;
}
}
pce = (int)defs.Figuren.sD;
for (pceNum = 0; pceNum < brett.pceNum[pce]; ++pceNum)
{
sq = brett.fListe[pce, pceNum];
if ((brett.bauern[(int)defs.Farben.BEIDE] & defs.FileMask[defs.FilesBrd[sq]]) == 0)
{
score -= QueenOpenFile;
}
else if ((brett.bauern[(int)defs.Farben.SCHWARZ] & defs.FileMask[defs.FilesBrd[sq]]) == 0)
{
score -= QueenSemiOpenFile;
}
}
pce = (int)defs.Figuren.wK;
sq = brett.fListe[pce, 0];
if ((brett.material[(int)defs.Farben.SCHWARZ] <= (1 * data.PieceVal[(int)defs.Figuren.wT] + 2 * data.PieceVal[(int)defs.Figuren.wP] + 2 * data.PieceVal[(int)defs.Figuren.wB] + data.PieceVal[(int)defs.Figuren.wK])))
{
score += KingE[defs.Sq120ToSq64[sq]];
}
else
{
score += KingO[defs.Sq120ToSq64[sq]];
}
pce = (int)defs.Figuren.sK;
sq = brett.fListe[pce, 0];
if ((brett.material[(int)defs.Farben.WEISS] <= (1 * data.PieceVal[(int)defs.Figuren.wT] + 2 * data.PieceVal[(int)defs.Figuren.wP] + 2 * data.PieceVal[(int)defs.Figuren.wB] + data.PieceVal[(int)defs.Figuren.wK])))
{
score -= KingE[data.Mirror64[defs.Sq120ToSq64[sq]]];
}
else
{
score -= KingO[data.Mirror64[defs.Sq120ToSq64[sq]]];
}
if (brett.pceNum[(int)defs.Figuren.wL] >= 2)
{
score += BishopPair;
}
if (brett.pceNum[(int)defs.Figuren.sL] >= 2)
{
score -= BishopPair;
}
if (brett.seite == (int)defs.Farben.WEISS)
{
return(score);
}
else
{
return(-score);
}
}
