diff --git a/Board.cpp b/Board.cpp
index 77cbd8e..780b465 100644
--- a/Board.cpp
+++ b/Board.cpp
@@ -7,7 +7,6 @@
 // defined by the Mozilla Public License, v. 2.0.
 
 #include "Board.hpp"
-#include "inc/strFuncs.hpp"
 
 /*
  * This is how the chessboard is organized in memory
@@ -86,21 +85,6 @@ void Board::setupInitialPosition() {
     return;
 }
 
-int setupFromFEN(std::string strFEN) {
-    std::string field1, field2, field3, field4, field5, field6;
-    std::vector<std::string> splitFEN = split(strFEN, ' ');
-    if(splitFEN.size() != 6) { // a valid FEN *must* contain 6 fields
-        return -1;
-    }
-    field1 = splitFEN[0];
-    field2 = splitFEN[1];
-    field3 = splitFEN[2];
-    field4 = splitFEN[3];
-    field5 = splitFEN[4];
-    field6 = splitFEN[5];
-    return 0;
-}
-
 void Board::movePiece(Square from, Square to) {
     return;
 }
diff --git a/Board.hpp b/Board.hpp
index 4076b32..4b9f818 100644
--- a/Board.hpp
+++ b/Board.hpp
@@ -35,7 +35,6 @@ class Board {
     void setupInitialPosition();
     Piece *getPieceAt(Square square);
     void movePiece(Square from, Square to);
-    int setupFromFEN(std::string strFEN);
     bool isInBounds(Square square) const;
     bool isEmpty(Square square) const;
     uint64_t serialBoard = 0xFFFF00000000FFFF; // opening position
diff --git a/Piece.cpp b/Piece.cpp
index 251e5e9..bab48ec 100644
--- a/Piece.cpp
+++ b/Piece.cpp
@@ -44,6 +44,7 @@ std::vector<Move> King::getLegalMoves(const Square &from, const Board &board) co
         Square targetSquare = {ra, fi};
         if(targetSquare.isValid()) {
             const auto &target = board.boardGrid[r][f]; // examine the target square
+            
             if(!target) { // if square is empty (NULL)
                 moveList.push_back({from, targetSquare}); // then it's potentially a legal move
             } else if(target && target->getColour() != this->getColour()) { // if it's occupied with a piece of opposite colour
@@ -67,8 +68,8 @@ std::vector<Move> King::getLegalMoves(const Square &from, const Board &board) co
      * _1___2__
      * ___K____
      * _5___6__
-     * __7_8___
-     *
+     * __7_8___ 
+     * 
      */
     std::vector<std::vector<int>> knightAttacks = {
         {-1, -2}, // 1
@@ -89,7 +90,7 @@ std::vector<Move> King::getLegalMoves(const Square &from, const Board &board) co
             bool diagonal = (abs(dir[0]) + abs(dir[1]) == 2) ? 1 : 0; // check if diagonal
             bool knight = (abs(dir[0]) + abs(dir[1]) == 3) ? 1 : 0; // check if knight attack
             while(r >= 0 && r < 8 && f >= 0 && f < 8) {
-                auto &target = board.boardGrid[r][f]; // access the square we're examining
+                auto &target = board.boardGrid[r][f]; // check what's at the square we're examining
                 if(!target) {
                     // empty square, continue
                     continue;
@@ -97,18 +98,14 @@ std::vector<Move> King::getLegalMoves(const Square &from, const Board &board) co
                 if(target && (target->getColour() != this->getColour())) { // is it occupied & an enemy?
                     if((target->getPieceType() == QUEEN || target->getPieceType() == BISHOP) && diagonal) {
                         // we are being attacked diagonally on this square, so remove it
-                        moves.to.rank = INVALID_RANK; moves.to.file = INVALID_FILE;
+                        //moves.to.rank = 255; moves.to.file = 255; // mark as invalid???
                     }
-                    else if(target->getPieceType() == KNIGHT && knight) {
+                    if(target->getPieceType() == KNIGHT && knight) {
                         // we are being attacked by a knight, so remove it
-                        moves.to.rank = INVALID_RANK; moves.to.file = INVALID_FILE;
+                        //moves.to.rank = 255; moves.to.file = 255;
                     }
-                    else if(target->getPieceType() == ROOK || target->getPieceType() == QUEEN && (!diagonal && !knight)) {
+                    if(target->getPieceType() == ROOK && (!diagonal && !knight)) {
                         // again, being attacked, remove it
-                        moves.to.rank = INVALID_RANK; moves.to.file = INVALID_FILE;
-                    }
-                    if(target->getPieceType() == PAWN && (abs(r - startSquare.rank) == 1 && abs(f - startSquare.file) == 1)) {
-                        moves.to.rank = INVALID_RANK; moves.to.file = INVALID_FILE;
                     }
                 }
                 if(target && (target->getColour() == this->getColour())) {
@@ -118,17 +115,13 @@ std::vector<Move> King::getLegalMoves(const Square &from, const Board &board) co
                 if(!knight) {
                     r += dir[0];
                     f += dir[1];
-                } else
+                } else {
                     break;
+                }
             }
         }
+    
     }
-    // will this actually work?
-    moveList.erase(
-            std::remove_if(moveList.begin(), moveList.end(),
-                           [&](const auto &x) {
-                               return !x.to.isValid();
-                           }));
     return moveList;
 }
 
diff --git a/Piece.hpp b/Piece.hpp
index 7f24412..245b81a 100644
--- a/Piece.hpp
+++ b/Piece.hpp
@@ -11,7 +11,6 @@
 #pragma once
 
 #include <cstdint>
-#include <algorithm>
 #include <utility>
 #include <string>
 #include <memory>
@@ -28,15 +27,11 @@ enum PieceColour {
 };
 
 enum Rank {
-    R1 = 0, R2 = 1, R3 = 2, R4 = 3, R5 = 4, R6 = 5, R7 = 6, R8 = 7, INVALID_RANK = 255
+    R1 = 0, R2 = 1, R3 = 2, R4 = 3, R5 = 4, R6 = 5, R7 = 6, R8 = 7
 };
 
 enum File {
-    A = 0, B = 1, C = 2, D = 3, E = 4, F = 5, G = 6, H = 7, INVALID_FILE = 255
-};
-
-enum CastleSide {
-    KINGSIDE = 1, QUEENSIDE = 2
+    A = 0, B = 1, C = 2, D = 3, E = 4, F = 5, G = 6, H = 7
 };
 
 struct Square {
@@ -106,18 +101,11 @@ class King : public Piece {
         return inCheck;
     }
 
-    bool checkForCastle(enum CastleSide side) const {
-        if(side == KINGSIDE) {
-            return canCastleKS;
-        } else if(side == QUEENSIDE) {
-            return canCastleQS;
-        } else {
-            return false;
-        }
+    bool checkForCastle() const {
+        return canCastle;
     }
   protected:
-    bool canCastleQS = true;
-    bool canCastleKS = true;
+    bool canCastle = true;
     bool inCheck = false;
 };
 
diff --git a/nbproject/configurations.xml b/nbproject/configurations.xml
index 2a6fe8d..5e860ab 100644
--- a/nbproject/configurations.xml
+++ b/nbproject/configurations.xml
@@ -7,7 +7,6 @@
       <itemPath>Board.hpp</itemPath>
       <itemPath>Piece.hpp</itemPath>
       <itemPath>NeoPixel.hpp</itemPath>
-      <itemPath>inc/strFuncs.hpp</itemPath>
     </logicalFolder>
     <logicalFolder name="ExternalFiles"
                    displayName="Important Files"
@@ -39,7 +38,6 @@
       <itemPath>Piece.cpp</itemPath>
       <itemPath>NeoPixel.cpp</itemPath>
       <itemPath>graphics.cpp</itemPath>
-      <itemPath>strFuncs.cpp</itemPath>
     </logicalFolder>
   </logicalFolder>
   <sourceRootList>