(;GM[1]FF[4]SZ[19]AP[goproblems.ru]
AB[pd][qf][qg][qh][oi][pi][oj][pk][pl][ql][om][on][pn][ko][oo][qo][ro][kp][op][qp][fq][kq][lq][oq][rq][sr]
AW[dd][pg][ph][qi][qj][qk][ll][nl][ol][rl][pm][qm][rm][dn][ln][qn][lo][po][dp][lp][np][pp][pq][qq][or][rr]
G;W[tt]C[63
Ход черных.
]LB[nq:C][nr:B][qr:E][qs:A][rs:D]
(;B[qs]
C[A = 3
]LB[nq:C][nr:B][qr:E][qs:A][rs:D])
(;B[nr]
C[B = 4
]LB[nq:C][nr:B][qr:E][qs:A][rs:D])
(;B[nq]
C[C = 3
]LB[nq:C][nr:B][qr:E][qs:A][rs:D])
(;B[rs]
C[D = 5
]LB[nq:C][nr:B][qr:E][qs:A][rs:D])
(;B[qr]
C[E = 1
]LB[nq:C][nr:B][qr:E][qs:A][rs:D]))
