Ideone.com

fork download

copy

// simple_chess.c
// Minimal local 2-player chess (console).
// Compile: i686-w64-mingw32-gcc simple_chess.c -o simple_chess.exe
// or for 64-bit: x86_64-w64-mingw32-gcc simple_chess.c -o simple_chess64.exe
 
#include <stdio.h>
#include <string.h>
#include <ctype.h>
 
char board[8][8];
 
void init_board() {
    const char *r0 = "rnbqkbnr";
    const char *r1 = "pppppppp";
    const char *r6 = "PPPPPPPP";
    const char *r7 = "RNBQKBNR";
    for (int c=0;c<8;c++){ board[0][c]=r0[c]; board[1][c]=r1[c]; board[6][c]=r6[c]; board[7][c]=r7[c]; }
    for (int r=2;r<=5;r++) for (int c=0;c<8;c++) board[r][c]='.';
}
 
void print_board(){
    printf("\n  a b c d e f g h\n");
    for(int r=0;r<8;r++){
        printf("%d ", 8-r);
        for(int c=0;c<8;c++){
            printf("%c ", board[r][c]);
        }
        printf("%d\n", 8-r);
    }
    printf("  a b c d e f g h\n\n");
}
 
int in_bounds(int r,int c){ return r>=0 && r<8 && c>=0 && c<8; }
 
int is_white(char p){ return p>='A' && p<='Z'; }
int is_black(char p){ return p>='a' && p<='z'; }
int empty_sq(char p){ return p=='.'; }
 
int path_clear(int sr,int sc,int dr,int dc){
    int drs = (dr>sr) ? 1 : (dr<sr ? -1 : 0);
    int dcs = (dc>sc) ? 1 : (dc<sc ? -1 : 0);
    int r = sr+drs, c = sc+dcs;
    while(r!=dr || c!=dc){
        if(!in_bounds(r,c)) return 0;
        if(!empty_sq(board[r][c])) return 0;
        r+=drs; c+=dcs;
    }
    return 1;
}
 
int valid_move_piece(char piece,int sr,int sc,int dr,int dc,int whiteTurn){
    if(!in_bounds(sr,sc) || !in_bounds(dr,dc)) return 0;
    if(sr==dr && sc==dc) return 0;
    char dst = board[dr][dc];
    if(!empty_sq(dst)){
        if(whiteTurn && is_white(dst)) return 0;
        if(!whiteTurn && is_black(dst)) return 0;
    }
    char p = piece;
    int dir = whiteTurn ? -1 : 1; // white moves "up" the board (lower index rows)
    switch(tolower(p)){
        case 'p': { // pawn
            if(sc==dc){ // forward moves
                if(dr == sr + dir && empty_sq(dst)) return 1;
                // double step from starting rank
                if( (whiteTurn && sr==6 && dr==4) || (!whiteTurn && sr==1 && dr==3) ){
                    if(empty_sq(board[sr+dir][sc]) && empty_sq(board[dr][dc])) return 1;
                }
            } else if (abs(dc-sc)==1 && dr==sr+dir && !empty_sq(dst)){
                return 1; // capture
            }
            return 0;
        }
        case 'r': {
            if(sr==dr || sc==dc) return path_clear(sr,sc,dr,dc);
            return 0;
        }
        case 'n': {
            int drd = abs(dr-sr), dcd = abs(dc-sc);
            return ( (drd==2 && dcd==1) || (drd==1 && dcd==2) );
        }
        case 'b': {
            if(abs(dr-sr)==abs(dc-sc)) return path_clear(sr,sc,dr,dc);
            return 0;
        }
        case 'q': {
            if(sr==dr || sc==dc) return path_clear(sr,sc,dr,dc);
            if(abs(dr-sr)==abs(dc-sc)) return path_clear(sr,sc,dr,dc);
            return 0;
        }
        case 'k': {
            if (abs(dr-sr)<=1 && abs(dc-sc)<=1) return 1;
            return 0;
        }
    }
    return 0;
}
 
int parse_coord(const char *s,int *r,int *c){
    // expects fileletter rankdigit e.g. e2
    if(strlen(s)<2) return 0;
    char f = tolower(s[0]);
    char rk = s[1];
    if(f<'a' || f>'h' || rk<'1' || rk>'8') return 0;
    *c = f - 'a';
    *r = 8 - (rk - '0');
    return 1;
}
 
int make_move(int sr,int sc,int dr,int dc,int whiteTurn){
    char piece = board[sr][sc];
    if(piece=='.') return 0;
    if(whiteTurn && !is_white(piece)) return 0;
    if(!whiteTurn && !is_black(piece)) return 0;
    if(!valid_move_piece(piece,sr,sc,dr,dc,whiteTurn)) return 0;
    // perform move
    board[dr][dc] = board[sr][sc];
    board[sr][sc] = '.';
    // pawn promotion (to queen) if reaches last rank
    if(tolower(board[dr][dc])=='p'){
        if( (is_white(board[dr][dc]) && dr==0) || (is_black(board[dr][dc]) && dr==7) ){
            board[dr][dc] = is_white(board[dr][dc]) ? 'Q' : 'q';
        }
    }
    return 1;
}
 
int main(){
    init_board();
    char input[64];
    int whiteTurn = 1; // white starts
    printf("Simple Chess (console) - two players local\n");
    printf("Enter moves like e2e4 or 'quit' to exit. No castling/en-passant/check detection.\n");
    while(1){
        print_board();
        printf("%s to move: ", whiteTurn ? "White" : "Black");
        if(!fgets(input,sizeof(input),stdin)) break;
        // trim newline
        input[strcspn(input,"\r\n")] = 0;
        if(strlen(input)==0) continue;
        if(strncmp(input,"quit",4)==0 || strncmp(input,"exit",4)==0) break;
        // allow formats: e2e4 or e2 e4
        char sfrom[8], sto[8];
        if(strlen(input)==4){
            sfrom[0]=input[0]; sfrom[1]=input[1]; sfrom[2]=0;
            sto[0]=input[2]; sto[1]=input[3]; sto[2]=0;
        } else {
            if(sscanf(input,"%7s %7s", sfrom, sto) != 2){
                printf("Invalid input. Use e2e4 or 'e2 e4'.\n"); continue;
            }
        }
        int sr,sc,dr,dc;
        if(!parse_coord(sfrom,&sr,&sc) || !parse_coord(sto,&dr,&dc)){
            printf("Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).\n");
            continue;
        }
        if(make_move(sr,sc,dr,dc,whiteTurn)){
            whiteTurn = !whiteTurn;
        } else {
            printf("Illegal move.\n");
        }
    }
    printf("Goodbye.\n");
    return 0;
}

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

Success #stdin #stdout 0s 5316KB

stdin

copy

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

/*  Berechnung des Hamming-Abstandes zwischen zwei 128-Bit Werten in 	*/
/*	einer Textdatei. 													*/
/*  Die Werte müssen auf einer separaten Zeile gespeichert sein			*/
/* 																		*/
/*	Erstellt: 17.5.2010													*/
/*  Autor: Thomas Scheffler												*/

#include <stdio.h>
#include <stdlib.h>

#define ARRAY_SIZE 32

unsigned Hamdist(unsigned x, unsigned y)
{
  unsigned dist = 0, val = x ^ y;
 
  // Count the number of set bits
  while(val)
  {
    ++dist; 
    val &= val - 1;
  }
 
  return dist;
}



int main (void)
{
	char hex;
	int i;
	int a[ARRAY_SIZE];
	int b[ARRAY_SIZE];
	int hamDist = 0;
	FILE* fp;
	
	//Arrays mit 0 initialisieren
	for (i = 0; i < ARRAY_SIZE; ++i)
	{
  		a[i] = 0;
  		b[i] = 0;
	}

	
	fp = fopen("hex.txt","r");
	if (fp == NULL) 
	{
		printf("Die Datei hex.txt wurde nicht gefunden!");
		exit(EXIT_FAILURE);
	}

	i=0;
	printf("1.Zeile einlesen.\n");

 	while((hex=fgetc(fp))!='\n' && hex != EOF)
    {
        a[i]=strtol(&hex,0,16);
		i++;
    }
	i=0;
	printf("2.Zeile einlesen.\n");

 	while((hex=fgetc(fp))!='\n' && hex != EOF)
    {
    	b[i]=strtol(&hex,0,16);
        i++;
    }
	fclose(fp);

	printf("Hamming-Abweichung pro Nibble:\n");
	for (i = 0; i < ARRAY_SIZE; ++i)
	{
		printf ("%i\t%i\t%i\n",a[i],b[i],Hamdist(a[i],b[i]));
		hamDist += Hamdist(a[i],b[i]);
	}
	printf ("\nHamming-Abweichung der Hash-Werte:%d\n",hamDist);
}

stdout

copy

Simple Chess (console) - two players local
Enter moves like e2e4 or 'quit' to exit. No castling/en-passant/check detection.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid coordinates. Use files a-h and ranks 1-8 (e.g. e2e4).

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Invalid input. Use e2e4 or 'e2 e4'.

  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: 
  a b c d e f g h
8 r n b q k b n r 8
7 p p p p p p p p 7
6 . . . . . . . . 6
5 . . . . . . . . 5
4 . . . . . . . . 4
3 . . . . . . . . 3
2 P P P P P P P P 2
1 R N B Q K B N R 1
  a b c d e f g h

White to move: Goodbye.

https://ideone.com/BXUP8W

language:

C (gcc 8.3)

created:

visibility:

public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!

Discover > Sphere Engine API

Discover > IDE Widget

Choose your language