diff --git a/src/Go/boardState/boardState.ts b/src/Go/boardState/boardState.ts
index 83152baaa..644506624 100644
--- a/src/Go/boardState/boardState.ts
+++ b/src/Go/boardState/boardState.ts
@@ -23,6 +23,7 @@ export function getNewBoardState(
 ): BoardState {
   if (ai === GoOpponent.w0r1d_d43m0n) {
     boardToCopy = resetCoordinates(rotate90Degrees(boardFromSimpleBoard(bitverseBoardShape)));
+    boardSize = 19;
   }
 
   const newBoardState: BoardState = {
@@ -166,12 +167,12 @@ export function updateChains(board: Board, resetChains = true): void {
  * Modifies the board in place.
  */
 export function updateCaptures(board: Board, playerWhoMoved: GoColor, resetChains = true): void {
-  const boardState = updateChains(board, resetChains);
+  updateChains(board, resetChains);
   const chains = getAllChains(board);
 
   const chainsToCapture = findAllCapturedChains(chains, playerWhoMoved);
   if (!chainsToCapture?.length) {
-    return boardState;
+    return;
   }
 
   chainsToCapture?.forEach((chain) => captureChain(chain));
diff --git a/src/Go/effects/netscriptGoImplementation.ts b/src/Go/effects/netscriptGoImplementation.ts
index f474041f8..699bc7a83 100644
--- a/src/Go/effects/netscriptGoImplementation.ts
+++ b/src/Go/effects/netscriptGoImplementation.ts
@@ -337,7 +337,7 @@ function logEndGame(logger: (s: string) => void) {
  * Clears the board, resets winstreak if applicable
  */
 export function resetBoardState(error: (s: string) => void, opponent: GoOpponent, boardSize: number) {
-  if (![5, 7, 9, 13].includes(boardSize)) {
+  if (![5, 7, 9, 13].includes(boardSize) && opponent !== GoOpponent.w0r1d_d43m0n) {
     error(`Invalid subnet size requested (${boardSize}), size must be 5, 7, 9, or 13`);
     return;
   }
@@ -412,7 +412,7 @@ export async function determineCheatSuccess(
  * Cheating success rate scales with player's crime success rate, and decreases with prior cheat attempts.
  */
 export function cheatSuccessChance(cheatCount: number) {
-  return Math.min(0.6 * (0.8 ^ cheatCount) * Player.mults.crime_success, 1);
+  return Math.min(0.6 * 0.65 ** cheatCount * Player.mults.crime_success, 1);
 }
 
 /**