package main

import (
    "bufio"
    "os"
    "strconv"
    "fmt"
    "strings"
)

func main() {
    reader := bufio.NewReader(os.Stdin)
    firstLine, _ := reader.ReadString('\n')
    count, _ := strconv.Atoi(strings.Trim(firstLine, "\n"))
    result := make([]int, count)

    for i := 0; i < count; i++ {
        position, _ := reader.ReadString('\n')
        result[i] = countFieldsUnderAttack(position)
    }

    for _, val := range result {
        fmt.Println(val)
    }
}

func countFieldsUnderAttack(position string) int {
    result := 0

    var positionInts [2]int
    positionInts[0] = int(position[0]) - int('a') + 1
    positionInts[1] = int(position[1]) - int('1') + 1

    moves := [8][2]int{
        {1, 2},
        {2, 1},
        {-1, -2},
        {-2, -1},
        {-1, 2},
        {2, -1},
        {1, -2},
        {-2, 1},
    }

    for _, move := range moves {
        if move[0] + positionInts[0] > 0 && move[0] + positionInts[0] <= 8 {
            if move[1] + positionInts[1] > 0 && move[1] + positionInts[1] <= 8 {
                result++
            }
        }
    }

    return result
}

Edited by author 08.06.2017 23:12

Nevermind. Implemented reading input with bufio scanner and it worked. It seems that i dont understand go reader.