let chessTable = [
    new Array(" "," "," ","K"," "," "," "," "),
    new Array(" ","Q"," "," "," "," "," "," "),
    new Array(" "," "," "," "," "," "," "," "),
    new Array(" "," ","P"," ","P"," "," "," "),
    new Array("P"," "," "," "," "," "," "," "),
    new Array(" "," "," "," "," ","P"," "," "),
    new Array(" "," "," "," "," "," "," "," "),
    new Array(" "," "," "," "," "," "," "," "),
];

let coordinatesK = [0, 3];

let theKnightCanAttackTheQueen = false;

function moveTheKnight (chessTable, row, col) {

    if(row - 1 > 0 && col - 2 > 0 && chessTable[row - 1][col - 2] != "P") {
        moveTheKnight (chessTable, row - 1, col - 2);
        if(chessTable[row- 1][col - 2] == "Q") {
            theKnightCanAttackTheQueen = true;
            chessTable[row- 1][col - 2] == "K";
        }

    } else if(row - 1 > 0 && col + 2 < chessTable[row].length && chessTable[row][col] == " ") {
        moveTheKnight (chessTable, row - 1, col + 2);
        if(chessTable[row- 1][col + 2] == "Q") {
            theKnightCanAttackTheQueen = true;
            chessTable[row- 1][col + 2] == "K";
        }

    } else if(row + 1 < chessTable.length && col - 2 > 0 && chessTable[row][col] != "P") {
        moveTheKnight (chessTable, row + 1, col - 2);
        if(chessTable[row + 1][col - 2] == "Q") {
            theKnightCanAttackTheQueen = true;
            chessTable[row + 1][col - 2] == "K";
        }

    } else if(row + 1 < chessTable.length && col + 2 < chessTable[row].length && chessTable[row][col] == " ") {
        moveTheKnight (chessTable, row + 1, col + 2);
        if(chessTable[row + 1][col + 2] == "Q") {
            theKnightCanAttackTheQueen = true;
            chessTable[row + 1][col + 2] == "K";
        }

    } else if(row - 2 > 0 && col - 1 > 0 && chessTable[row][col] == " ") {
        moveTheKnight (chessTable, row - 2, col - 1);
        if(chessTable[row - 2][col - 1] == "Q") {
            theKnightCanAttackTheQueen = true;
            chessTable[row - 2][col - 1] == "K";
        }

    } else if(row - 2 > 0 && col + 1 < chessTable[row.length] && chessTable[row][col] == " ") {
        moveTheKnight (chessTable, row - 2, col + 1);
        if(chessTable[row - 2][col + 1] == "Q") {
            theKnightCanAttackTheQueen = true;
            chessTable[row - 2][col + 1] == "K";
        }

    } else if(row + 2 < chessTable.length && col - 1 > 0 && chessTable[row][col] == " ") {
        moveTheKnight (chessTable, row + 2, col - 1);
        if(chessTable[row + 2][col - 1] == "Q") {
            theKnightCanAttackTheQueen = true;
            chessTable[row + 2][col - 1] == "K";
        }

    } else if(row + 2 < chessTable.length && col + 1 < chessTable[row].length && chessTable[row][col] == " ") {
        moveTheKnight (chessTable, row + 2, col + 1);
        if(chessTable[row + 2][col + 1] == "Q") {
            theKnightCanAttackTheQueen = true;
            chessTable[row + 2][col + 1] == "K";
        }
    }
}

moveTheKnight (chessTable, 0, 3);

console.log(theKnightCanAttackTheQueen);

console.table(chessTable);