test

def is_check(B):
    def f(r,c,u,v):
        T=[]
        for i in range(1,8):
            p=(r+i*u,c+i*v)
            if D.get(p,' ')in'♛♝♞♜♟':break
            T+=[p]
        return T
    D={}
    for r in range(8):
        for c in range(8):
            if B[r][c]=='♔':k=(r,c)
            D[(r,c)]=B[r][c]
    for r,c in D:
        S,e=[],D[(r,c)]
        if e=='♛':S+=[(r-1,c-1),(r-1,c),(r-1,c+1),(r,c-1),(r,c+1),(r+1,c-1),(r+1,c),(r+1,c+1)]
        if e in'♝♛':S+=f(r,c,1,1)+f(r,c,-1,-1)+f(r,c,-1,1)+f(r,c,1,-1)
        if e=='♞':S+=[(r-2,c-1),(r-2,c+1),(r-1,c+2),(r+1,c+2),(r+2,c-1),(r+2,c+1),(r-1,c-2),(r+1,c-2)]
        if e in'♜♛':S+=f(r,c,1,0)+f(r,c,-1,0)+f(r,c,0,1)+f(r,c,0,-1)
        if e=='♟':S+=[(r+1,c-1),(r+1,c+1)]
        if k in S:return 1
    return 0