Chess Game

Language: C++

Category: Games

Description: It is chess. Two players can play it.
To simplify the code i have not introduced the mouse.
We can play it using Keyboard.I have made this using
general rules.

Stay tuned for more updates!

C++ code

<br /> <p> <br /> <br /> //////////////////////////////////////////////////////////////////////////<br /> /////// //// /// //////////// // //////<br /> ///// ///// /////// ////// ////////// /// //// //////////<br /> /////// //////////// ////// /// //////// //// //// ///////////<br /> ///////// ///////// ////// ////// / ///// ////////////<br /> // ///// //////// ////// ///// //// //// /// /////////////<br /> // //////// ////// /////// // ///// // //////////////<br /> //////////////////////////////////////////////////////////////////////////<br /> <br /> <br /> <br /> #include <graphics.h> //For Graphics<br /> #include <stdlib.h><br /> #include <stdio.h><br /> #include <iostream.h><br /> #include <conio.h><br /> #include <ctype.h> //For toupper<br /> #include <dos.h> //For Delay<br /> <br /> int board[8][8],turn=0,count1=0,count2=0;<br /> int gameover();/////FUNCTION TO TERMINATE THE GAME//////<br /> char strFileName[15];<br /> void printboard(); /////FUNCTION TO MAKE CHESS BOARD////<br /> void wrongStart(); ////FUNCTION TO CHECK THE START STEP////<br /> void initialize();////FUNCTION TO INITIALIZE THE STEPS////<br /> void cleartext();////FUNCTION TO CLEAR THE TEXT/////<br /> void check(); //////FUNCTION TO CHECK THE STEPS/////<br /> <br /> //Prototypes<br /> int pawn(int x,int y,int x1,int y1);<br /> int horse(int x,int y,int x1,int y1);<br /> int rook(int x,int y,int x1,int y1);<br /> int bishop(int x,int y,int x1,int y1);<br /> int queen(int x,int y,int x1,int y1);<br /> int king(int x,int y,int x1,int y1);<br /> <br /> void main()<br /> {<br /> <br /> //Graphics Initialization<br /> int gdriver = DETECT;<br /> int gmode;<br /> initgraph(&gdriver,&gmode,"");<br /> <br /> //Loading Intro<br /> for(float i=0.0; i<=5;i=i+0.5) { setfillstyle(SOLID_FILL,i+3*i); floodfill(2,2,8); setcolor(i*3); settextstyle(4,HORIZ_DIR,i); outtextxy(50,120,"WELCOME TO THE CHESS"); setcolor(8); setfillstyle(SOLID_FILL,8); pieslice(300,250,90,180,i+10*i); pieslice(301,250,90,0,i+10*i); pieslice(300,250,180,360,i+11*i); setcolor(0); setfillstyle(SOLID_FILL,6); pieslice(300,255,180,360,i+6*i); sound(900) ; delay(5) ; nosound() ; cleardevice(); } setfillstyle(LINE_FILL,8); floodfill(2,2,8); setcolor(2); outtextxy(50,120,"WELCOME TO THE CHESS"); setcolor(8); setfillstyle(SOLID_FILL,8); pieslice(300,250,90,180,60); pieslice(301,250,90,0,60); pieslice(300,250,180,360,70); setcolor(0); setfillstyle(SOLID_FILL,6); pieslice(300,255,180,360,50); setcolor(RED); circle(300,288,6); getch(); cleardevice(); //Displaying Group Members setfillstyle(SOLID_FILL,7); floodfill(0,0,YELLOW); setcolor(10); settextstyle(5,HORIZ_DIR,2); outtextxy(200,120,"LETS PLAY CHESS"); settextstyle(4,HORIZ_DIR,.5); setcolor(CYAN); outtextxy(50,220,"Designed by:"); setcolor(9); settextstyle(5,HORIZ_DIR,.5); setcolor(BLUE); outtextxy(50,250,"Place Your Name"); settextstyle(4,HORIZ_DIR,2); setcolor(CYAN); settextstyle(5,HORIZ_DIR,1.5); outtextxy(400,400,"copyright©reserved"); getch(); cleardevice(); ////INITIALIZING MENU/// settextstyle(1,HORIZ_DIR,2); setcolor(12); outtextxy(50,10,"During the game Press:\n"); outtextxy(50,10,"______________________\n"); setcolor(2); settextstyle(1,HORIZ_DIR,1.5); outtextxy(50,60,"F2 to save file\n"); outtextxy(50,80,"F3 to load file\n"); outtextxy(50,100,"ESC to exit game\n"); outtextxy(50,120,"U to undo selection\n"); setcolor(15); outtextxy(50,200,"\nPress any key to play "); getch(); cleardevice(); setfillstyle(SOLID_FILL,WHITE); cleartext(); initialize(); char ch; int x=-1,y=-1,x1=-1,y1=-1; setcolor(9); outtextxy(10,400,"Player 1"); for(;;) { int game; game=gameover(); if(game==0) { break; } FILE *fp; ch=getch(); if(ch==0) { ch=getch(); if(ch=='<') { //////SAVING THE GAME///// for(;;) { cout<<"\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\bEnter File name to save \n"; cin>>strFileName; //Enter File Name<br /> fp=fopen(strFileName,"r+");<br /> if(fp!=NULL)<br /> {<br /> cout<<"File already exist\n"; } else { fp=fopen(strFileName,"w+"); if(fp==NULL) { cout<<"Invalid File Name\n"; } else break; } }//end for fprintf(fp,"%d\n",turn); for(int i=0;i<8;i++) { for(int j=0;j<8;j++) { fprintf(fp,"%d\n",board[i][j]); } } fclose(fp); cleartext(); x=-1; y=-1; x1=-1; y1=-1; continue; } if(ch=='=') { ////Load THE SAVED GAME///// for(;;) { cout<<"\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\bEnter File name to Load \n"; cin>>strFileName;<br /> fp=fopen(strFileName,"r+");<br /> if(fp==NULL)<br /> {<br /> cout<<"File does not exist\n"; } else { break; } }//end for fscanf(fp,"%d",&turn); for(int i=0;i<8;i++) { for(int j=0;j<8;j++) { fscanf(fp,"%d",&board[i][j]); } } fclose(fp); printboard(); cleartext(); x=-1; y=-1; x1=-1; y1=-1; setcolor(0); outtextxy(10,400,"Player Û"); if(turn!=0) { check(); setcolor(2); outtextxy(10,400,"Player 2"); } else{ check(); setcolor(9); outtextxy(10,400,"Player 1"); } continue; } } if(ch==27) { break; } else if(ch=='u'||ch=='U') { x=-1; x1=-1; y1=-1; y=-1; cleartext(); continue; } if(x==-1) { ch=toupper(ch); if(ch>=65 && ch<=72) { cout<<ch; x=ch-65; } } else if(y==-1) { if(ch>='1' && ch<='8') { cout<<ch; y=ch-'1'; if(board[y][x]==0) { wrongStart(); x=-1; y=-1; } else { if(turn==0) { if(board[y][x]<0) //if Player 1 has selected a piece of Player 2 { wrongStart(); x=-1; y=-1; } } else if(turn!=0) { if(board[y][x]>0)<br /> {<br /> wrongStart();<br /> x=-1;<br /> y=-1;<br /> }<br /> }<br /> }<br /> }<br /> if(x!=-1 && y!=-1)<br /> cout<<"\nenter final position ¯ "; } else if(x1==-1) { //Converting lower to upper case ch=toupper(ch); if(ch>=65 && ch<=72) { cout<<ch; x1=ch-65; } } else if(y1==-1) { if(ch>='1' && ch<='8') { cout<<ch; y1=ch-'1'; } int b=0,killed=0; /////pawn///// //if piece selscted has value greater than 8 and less than 17 if(abs(board[y][x])>=9 && abs(board[y][x])<=16) { b = pawn(x,y,x1,y1); }//end pawn //////horse////// //if piece selscted has value 2 and 7 else if(abs(board[y][x])==2 || abs(board[y][x])==7) { b = horse(x,y,x1,y1); }//end horse ////queen/// ////if piece selscted has value 4 else if(abs(board[y][x])==4) { b = queen(x,y,x1,y1); }//end queen ///king/// //if piece selscted has value 5 else if(abs(board[y][x])==5) { b = king(x,y,x1,y1); }//end king ///rook/// //if piece selscted has value 1 and 8 else if(abs(board[y][x])==1 || abs(board[y][x])==8) { b = rook(x,y,x1,y1); }//end rook ///bishop/// //if piece selscted has value 3 and 6 else if(abs(board[y][x])==3 || abs(board[y][x])==6) { b = bishop(x,y,x1,y1); }//end bishop if(b==2) { if(abs(board[y][x])>=9 && abs(board[y][x])<=16) { char pp; cout<<"\n\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\bwhich piece Q,R,H,B"; pp=getch(); if(turn==0) { if(pp=='r') board[y1][x1]=1; else if(pp=='h') board[y1][x1]=2; else if(pp=='b') board[y1][x1]=3; else if(pp=='q') board[y1][x1]=4; } else { if(pp=='r') board[y1][x1]=-1; else if(pp=='h') board[y1][x1]=-2; else if(pp=='r') board[y1][x1]=-3; else if(pp=='q') board[y1][x1]=-4; } board[y][x]=0; killed =1; } else if(abs(board[y][x])==5) { if(board[y][x]==5) { if(count1==1); wrongStart(); } else if(board[y][x]==-5) { if(count1==1); wrongStart(); } else { board[y][x+1]=board[y1][x1]; board[y][x+2]=board[y][x]; board[y1][x1]=0; board[y][x]=0; killed=1; } } printboard(); } else if(b==1) { if(turn==0) { if(board[y1][x1]<0) { board[y1][x1]=board[y][x]; board[y][x] = 0; killed=1; } } if(turn!=0) { if(board[y1][x1]>0)<br /> {<br /> board[y1][x1]=board[y][x];<br /> board[y][x] = 0;<br /> killed=1;<br /> }<br /> }<br /> if(board[y1][x1]==0)<br /> {<br /> int temp=board[y][x];<br /> board[y][x]=board[y1][x1];<br /> board[y1][x1]=temp;<br /> killed=1;<br /> }<br /> printboard();<br /> }<br /> x=-1;<br /> y=-1;<br /> x1=-1;<br /> y1=-1;<br /> setcolor(0);<br /> outtextxy(30,340,"Check");<br /> if(killed==0)<br /> {<br /> wrongStart();<br /> continue;<br /> }<br /> cleartext();<br /> setcolor(0);<br /> outtextxy(10,400,"Player Û");<br /> if(turn==0)<br /> {<br /> check();<br /> turn=1;<br /> setcolor(2);<br /> outtextxy(10,400,"Player 2");<br /> }<br /> else{<br /> check();<br /> turn=0;<br /> setcolor(9);<br /> outtextxy(10,400,"Player 1");<br /> }<br /> }//end legal move<br /> }//end for<br /> getch();<br /> setfillstyle(SOLID_FILL,3);<br /> floodfill(0,0,5);<br /> setcolor(8);<br /> setfillstyle(SOLID_FILL,8);<br /> pieslice(300,150,90,180,60);<br /> pieslice(301,150,90,0,60);<br /> pieslice(300,150,180,360,70);<br /> setcolor(0);<br /> setfillstyle(SOLID_FILL,6);<br /> pieslice(300,155,180,360,50);<br /> setcolor(RED);<br /> circle(300,188,6);<br /> setcolor(5);<br /> settextstyle(1,HORIZ_DIR,3);<br /> outtextxy(160,300,"THANK YOU FOR PLAYING");<br /> getch();<br /> closegraph();//to close initgraph<br /> }//end main<br /> <br /> void printboard()<br /> {<br /> <br /> for(int i=0;i<8;i++) { for(int j=0;j<8;j++) { if((i+j)%2==0) setcolor(WHITE); else setcolor(BLACK); outtextxy(270+(j*45),105+(i*45),"ÛÛ"); if(board[i][j]<0) setcolor(GREEN); else if(board[i][j]>0)<br /> setcolor(9);<br /> <br /> if(abs(board[i][j])>=9 && abs(board[i][j])<=16) { outtextxy(270+(j*45),105+(i*45),"P"); } else if(abs(board[i][j])==1 || abs(board[i][j])==8) { outtextxy(270+(j*45),105+(i*45),"R"); } else if(abs(board[i][j])==2 || abs(board[i][j])==7) { outtextxy(270+(j*45),105+(i*45),"H"); } else if(abs(board[i][j])==3 || abs(board[i][j])==6) { outtextxy(270+(j*45),105+(i*45),"B"); } else if(abs(board[i][j])==4) { outtextxy(270+(j*45),105+(i*45),"Q"); } else if(abs(board[i][j])==5) { outtextxy(270+(j*45),105+(i*45),"K"); } } } } void wrongStart() { cout<<"\nWrong Input\nPress any key to continue..."; char ch=getch(); if(ch==0) { getch(); } for(int i=1;i<=30;i++) for(int j=1;j<=4;j++) { gotoxy(i,j); cout<<" "; } gotoxy(1,1); cout<<"enter initial position ¯ "; } /////ClearText//// void cleartext() { for(int i=1;i<=27;i++) for(int j=1;j<=8;j++) { gotoxy(i,j); cout<<" "; } gotoxy(1,1); cout<<"enter initial position ¯ "; } /////Initialize//// void initialize() { setcolor(WHITE); rectangle(250,90,610,450); // Board Printing for (int i=250;i<560;i+=90) for (int j=90;j<450;j+=90) { bar(i,j,i+45,j+45); bar(i+45,j+45,i+90,j+90); } //Asigning the Values in the empty spaces for(i=2;i<=5;i++) { for(int j=0;j<=7;j++) { board[i][j] = 0; } } { for(int j=0;j<=7;j++) { board[0][j] = j+1; board[1][j] = j+9; //Pawns for player 1 board[7][j] = 0-(j+1); board[6][j] = 0-(j+9); //Pawns for player 2 } } printboard(); setcolor(YELLOW); outtextxy(265,55,"A"); outtextxy(310,55,"B"); outtextxy(355,55,"C"); outtextxy(400,55,"D"); outtextxy(445,55,"E"); outtextxy(490,55,"F"); outtextxy(535,55,"G"); outtextxy(580,55,"H"); outtextxy(220,105,"1"); outtextxy(220,150,"2"); outtextxy(220,195,"3"); outtextxy(220,240,"4"); outtextxy(220,285,"5"); outtextxy(220,330,"6"); outtextxy(220,375,"7"); outtextxy(220,420,"8"); } ////HORSE////// int horse(int x,int y,int x1,int y1) { int a=0; if((y1==y+2 && x1==x+1)||(y1==y+2 && x1==x-1)||(y1==y+1 && x1==x+2)||(y1==y+1 && x1==x-2)||(y1==y-1 && x1==x+2)||(y1==y-1 && x1==x-2)||(y1==y-2 && x1==x+1)||(y1==y-2 && x1==x-1)) { a = 1; } return a; } /////KING//// int king(int x,int y,int x1,int y1) { int a = 0; if((y1==y+1 && x1==x)||(y1==y-1 && x1==x)||(y1==y+1 && x1==x+1)||(y1==y+1 && x1==x-1)||(y1==y-1 && x1==x+1)||(y1==y-1 && x1==x-1)||(y1==y && x1==x+1)||(y1==y && x1==x-1)){ a = 1; } /////CASTLING////// else if(board[y][x+1]==0&&board[y][x+2]==0&&(abs(board[y1][x1]) ==abs(board[y][x+3])==1||abs(board[y1][x1])== abs(board[y][x+3])==8)) { return 2; } if(a==1) { if(board[y][x]==5) count1=1; if(board[y][x]==-5) count2=1; } return a; } //////BISHOP///// int bishop(int x,int y,int x1,int y1) { int a=1,i; if(abs(x1-x)!=abs(y1-y)) { a=0; } if((x<x1)&&(y<y1)) { for(i=1;(i+x)<x1;i++) { if(board[y+i][x+i]!=0) a=0; } } else if((x>x1)&&(y>y1))<br /> {<br /> for(i=1;(x-i)>x1;i++)<br /> {<br /> if(board[y-i][x-i]!=0)<br /> a=0;<br /> }<br /> }<br /> else if((x>x1)&&(y<y1)) { for(i=1;(x-i)>x1;i++)<br /> {<br /> if(board[y+i][x-i]!=0)<br /> a=0;<br /> }<br /> }<br /> else if((x<x1)&&(y>y1))<br /> {<br /> for(i=1;(y-i)>y1;i++)<br /> {<br /> if(board[y-i][x+i]!=0)<br /> a=0;<br /> }<br /> }<br /> return a;<br /> }<br /> <br /> <br /> ////////QUEEN///////<br /> int queen(int x,int y,int x1,int y1)<br /> {<br /> if(x==x1||y==y1)<br /> {<br /> //if queen moves in + direction<br /> return rook(x,y,x1,y1);<br /> }<br /> else if(abs(x1-x)==abs(y-y1)){<br /> //if queen moves in diagnol direction<br /> return bishop(x,y,x1,y1);<br /> }<br /> else<br /> return 0;<br /> }<br /> <br /> <br /> ///ROOK////<br /> int rook(int x,int y,int x1,int y1)<br /> {<br /> int a=1;<br /> if(y1==y)<br /> {<br /> for(int i=x+1;i<x1;i++) { if(board[y1][i]!=0) { a = 0; break; } } for(i=x-1;i>x1;i--)<br /> {<br /> if(board[y1][i]!=0)<br /> {<br /> a = 0;<br /> break;<br /> }<br /> }<br /> }<br /> else if(x1==x)<br /> {<br /> for(int i=y+1;i<y1;i++) { if(board[i][x1]!=0) { a = 0; break; } } for(i=y-1;i>y1;i--)<br /> {<br /> if(board[i][x1]!=0)<br /> {<br /> a = 0;<br /> break;<br /> }<br /> }<br /> }<br /> else<br /> {<br /> a=0;<br /> }<br /> return a;<br /> }<br /> <br /> <br /> ///PAWN/////<br /> int pawn(int x,int y,int x1,int y1)<br /> {<br /> int a=0;<br /> if(turn==0)<br /> {<br /> if(y==1)<br /> {<br /> if(y1==(y+2) && x1==x)<br /> {<br /> if(board[y1][x1]==0&&board[y+1][x]==0)<br /> {<br /> a = 1;<br /> }<br /> }<br /> }<br /> if(y1==y+1 && x1==x)<br /> {<br /> if(board[y1][x1]==0)<br /> {<br /> a = 1;<br /> }<br /> }<br /> else if(y1==(y+1) && (x1==(x+1)||x1==(x-1)))<br /> {<br /> if(board[y1][x1]<0) { a = 1; } } } else if(turn==1) { if(y==6) { if( y1==(y-2) && x1==x) { if(board[y1][x1]==0&&board[y-1][x]==0) { a = 1; } } } if( y1==(y-1) && x1==x) { if(board[y1][x1]==0) { a = 1; } } else if(y1==(y-1) && (x1==(x-1)||x1==(x+1))) { if(board[y1][x1]>0)<br /> {<br /> a = 1;<br /> }<br /> }<br /> }<br /> if(a==1)<br /> {<br /> if(turn==0)<br /> {<br /> if(y1==7)<br /> return 2;<br /> }<br /> else<br /> {<br /> if(y1==0)<br /> return 2;<br /> }<br /> }<br /> return a;<br /> }<br /> <br /> ////////Check////////<br /> <br /> <br /> void check()<br /> {<br /> int t=0,i,j,x1,y1;<br /> if(turn==0)<br /> {<br /> for(i=0;i<=7;i++) { for(j=0;j<=7;j++) { if(board[i][j]==-5) { y1=i; x1=j; break; } } } for(j=0;j<=7;j++) { for(i=0;i<=7;i++) { if (t==1) { setcolor(9); rectangle(20,335,100,365); outtextxy(30,340,"Check"); break; } if(board[j][i]>=9 && board[j][i]<=16) t = pawn(i,j,x1,y1); else if(board[j][i]==2 || board[j][i]==7) t = horse(i,j,x1,y1); else if(board[j][i]==4) t = queen(i,j,x1,y1); else if(board[j][i]==1 || board[j][i]==8) t = rook(i,j,x1,y1); else if(board[j][i]==3 || board[j][i]==6) t = bishop(i,j,x1,y1); }// for }// for }//endif turn else { for(i=0;i<=7;i++) { for(j=0;j<=7;j++) { if(board[i][j]==5) { y1=i; x1=j; break; } } } for(j=0;j<=7;j++) { for(i=0;i<=7;i++){ if (t==1) { setcolor(GREEN); rectangle(20,335,100,365); outtextxy(30,340,"Check"); break; } if(board[j][i]>=(-9) && board[j][i]<=(-16)) t = pawn(i,j,x1,y1); else if(board[j][i]==(-2) || board[j][i]==(-7)) t = horse(i,j,x1,y1); else if(board[j][i]==(-4)) t = queen(i,j,x1,y1); else if(board[j][i]==(-1) || board[j][i]==(-8)) t = rook(i,j,x1,y1); else if(board[j][i]==(-3) || board[j][i]==(-6)) t = bishop(i,j,x1,y1); }// for }// for }// end else } //////GAME OVER///// int gameover() { int i,j,a=0,b=0; for(i=0;i<=7;i++) { for(j=0;j<=7;j++) { if(board[i][j]==5) b=1; if(board[i][j]==-5) a=1; } } if(b==0) { setcolor(12); outtextxy(30,340,"Game Over"); setcolor(GREEN); outtextxy(30,300,"Player 1 Loses"); getch(); return 0; } else if(a==0) { setcolor(9); outtextxy(30,340,"Game Over"); outtextxy(30,300,"Player 2 Loses"); getch(); return 0; } return 1; } /////////////////////////////////////////////////////////////// /////////////// // /// /// //////////////// ////////////////// //// /// /// ////////////////////// ///////////////// //// /// ////////////////// //////////////// //// /// /// //////////////////////// /////////////// //// /// /// /////////////////// /////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////// //////////// ////// ////// /// ///////////// /////////// ///////////// //// /// /// /////////// ////////// ////// / // /// //// /////////// ///////// ///////////// /// / /// /// ///////////// //////// ///// ///// /// //////////////// /////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////// </p> <br /> <br />