public boolean blockBishop(int ex, int ey) {
            if (ex > x && ey > y) {
                bishopNW(ex, ey);
            }
            
            if (ex > x && ey < y) {  
                bishopSW(ex, ey);
            }  
            
            if (ex < x && ey > y) {
                bishopNE(ex, ey);
            }
                        
            if (ex < x && ey < y) {
                bishopSE(ex, ey);                
            } 
            
            if (blockCheck()) {
                return true;
            } 
            
            return false;
    }