/// <summary>
/// Gathers the player pawns from this node.
/// </summary>
/// <param name="playerIdP">The player identifier.</param>
/// <returns>the player's pawns from this node.</returns>
protected List <Pawn> GatherPlayerPawns(Int32 playerIdP)
{
List <Pawn> _playerPawns = Pawns.FindAll(_playerPawn => _playerPawn.PawnID == playerIdP);
Pawns.RemoveAll(_playerPawn => _playerPawn.PawnID == playerIdP);
return(_playerPawns);
}