Нужно написать игру в крестики-нолики

database
z(integer,integer,symbol)   
Predicates
predicates kartinka 
hod(integer,symbol,symbol) 
blok(symbol,symbol) 
chem(integer,symbol)    
naob(symbol,symbol) 
goal 
write("Kto hodit pervym? (1 - chelovek, 0 - komp'iuter) "), 
readint(Igrok),write("chem? (1 - krestikami, 0 - nolikami) "), 
readint(N),chem(N,I1),naob(I1,I2),hod(Igrok,I1,I2),!, 
nl,nl; write("Pravila narusheny."),nl. 
clauses 
z(1,1,"-"). z(1,2,"-"). z(1,3,"-"). z(2,1,"-"). z(2,2,"-"). 
z(2,3,"-"). z(3,1,"-"). z(3,2,"-"). z(3,3,"-"). 
chem(1,h). chem(0,o). naob(h,o). naob(o,h). 
hod(0,S,_):- blok(S,S),!,kartinka,write("nKomp'iuter vyigral!"). 
hod(0,S,C):- blok(S,C),!,kartinka,hod(1,C,S). 
hod(0,S,C):- retract(z(2,2,"-")),!,assert(z(2,2,S)), 
  kartinka,hod(1,C,S). 
hod(0,S,C):- z(R,St,"-"), (R+St) mod 2=0,retract(z(R,St,"-")),!, 
  assert(z(R,St,S)),kartinka,hod(1,C,S). 
hod(0,S,C):- retract(z(R,St,"-")),!,assert(z(R,St,S)), 
  kartinka,hod(1,C,S). 
hod(1,C,S):- z(_,_,"-"),write("Hodi:","nctroka (ot 1 do 3) - "), 
  readint(R),R>0,R<4,write("ctolbec (ot 1 do 3) - "), 
  readint(St),St>0,St<4,retract(z(R,St,"-")),!, 
  assert(z(R,St,C)),hod(0,S,C). 
hod(_,_,_):- not(z(_,_,"-")),nl,write("Nich'ia!"). 
blok(S,C):- z(N1,St,C),z(N2,St,C),N1<>N2, 
  retract(z(N3,St,"-")),!,assert(z(N3,St,S)); 
  z(R,N1,C),z(R,N2,C),N1<>N2,retract(z(R,N3,"-")),!, 
  assert(z(R,N3,S)); 
  z(I,I1,C),I=I1,z(J,J1,C),J=J1,I<>J,z(K,K1,"-"),K=K1, 
  retract(z(K,K1,"-")),!,assert(z(K,K1,S)); 
  z(I,J,C),I+J=4,z(N,K,C),N<>I,N+K=4,z(M,L,"-"),M+L=4, 
  retract(z(M,L,"-")),!,assert(z(M,L,S)). 
kartinka:- z(1,1,S1),z(1,2,S2),z(1,3,S3),z(2,1,S4),z(2,2,S5), 
  z(2,3,S6),z(3,1,S7),z(3,2,S8),z(3,3,S9),!, 
  write("nHod komp'iutera."),nl,nl, 
  writef("t%t%t%nt%t%t%nt%t%t%",
S1,S2,S3,S4,S5,S6,S7,S8,S9),nl,nl.