diff --git a/src/battle_ai_main.c b/src/battle_ai_main.c
index 7c0c98bf46..e0fb048d9b 100644
--- a/src/battle_ai_main.c
+++ b/src/battle_ai_main.c
@@ -5685,11 +5685,20 @@ case EFFECT_GUARD_SPLIT:
                 if (CanLowerStat(battlerAtk, battlerDef, aiData, STAT_SPEED))
                     ADJUST_SCORE(IncreaseStatDownScore(battlerAtk, battlerDef, STAT_SPEED));
                 break;
+            case MOVE_EFFECT_ACC_MINUS_1:
+            case MOVE_EFFECT_ACC_MINUS_2:
+                if (CanLowerStat(battlerAtk, battlerDef, aiData, STAT_ACC))
+                {
+                    u32 scoreIncrease = IncreaseStatDownScore(battlerAtk, battlerDef, STAT_ACC);
+                    if (scoreIncrease == WEAK_EFFECT)
+                        scoreIncrease = DECENT_EFFECT;
+                    ADJUST_SCORE(scoreIncrease);
+                }
+                break;
             case MOVE_EFFECT_ATK_MINUS_1:
             case MOVE_EFFECT_DEF_MINUS_1:
             case MOVE_EFFECT_SP_ATK_MINUS_1:
             case MOVE_EFFECT_SP_DEF_MINUS_1:
-            case MOVE_EFFECT_ACC_MINUS_1:
             case MOVE_EFFECT_EVS_MINUS_1:
             {
                 u32 statId = STAT_ATK + additionalEffect->moveEffect - MOVE_EFFECT_ATK_MINUS_1;
@@ -5701,7 +5710,6 @@ case EFFECT_GUARD_SPLIT:
             case MOVE_EFFECT_DEF_MINUS_2:
             case MOVE_EFFECT_SP_ATK_MINUS_2:
             case MOVE_EFFECT_SP_DEF_MINUS_2:
-            case MOVE_EFFECT_ACC_MINUS_2:
             case MOVE_EFFECT_EVS_MINUS_2:
             {
                 u32 statId = STAT_ATK + additionalEffect->moveEffect - MOVE_EFFECT_ATK_MINUS_2;
diff --git a/src/battle_ai_util.c b/src/battle_ai_util.c
index 3997797b13..04eba48677 100644
--- a/src/battle_ai_util.c
+++ b/src/battle_ai_util.c
@@ -2113,13 +2113,15 @@ u32 IncreaseStatDownScore(u32 battlerAtk, u32 battlerDef, u32 stat)
             tempScore += DECENT_EFFECT;
         break;
     case STAT_DEF:
-        if (HasMoveWithCategory(battlerAtk, DAMAGE_CATEGORY_PHYSICAL))
+        if (HasMoveWithCategory(battlerAtk, DAMAGE_CATEGORY_PHYSICAL)
+         || HasMoveWithCategory(BATTLE_PARTNER(battlerAtk), DAMAGE_CATEGORY_PHYSICAL))
             tempScore += DECENT_EFFECT;
         break;
     case STAT_SPEED:
     {
         u32 predictedMoveSpeedCheck = GetIncomingMoveSpeedCheck(battlerAtk, battlerDef, gAiLogicData);
-        if (AI_IsSlower(battlerAtk, battlerDef, gAiThinkingStruct->moveConsidered, predictedMoveSpeedCheck, DONT_CONSIDER_PRIORITY))
+        if (AI_IsSlower(battlerAtk, battlerDef, MOVE_NONE, predictedMoveSpeedCheck, DONT_CONSIDER_PRIORITY) 
+        || AI_IsSlower(BATTLE_PARTNER(battlerAtk), battlerDef, MOVE_NONE, predictedMoveSpeedCheck, DONT_CONSIDER_PRIORITY))
             tempScore += DECENT_EFFECT;
         break;
     }
@@ -2128,16 +2130,16 @@ u32 IncreaseStatDownScore(u32 battlerAtk, u32 battlerDef, u32 stat)
             tempScore += DECENT_EFFECT;
         break;
     case STAT_SPDEF:
-        if (HasMoveWithCategory(battlerAtk, DAMAGE_CATEGORY_SPECIAL))
+        if (HasMoveWithCategory(battlerAtk, DAMAGE_CATEGORY_SPECIAL)
+         || HasMoveWithCategory(BATTLE_PARTNER(battlerAtk), DAMAGE_CATEGORY_SPECIAL))
             tempScore += DECENT_EFFECT;
         break;
     case STAT_ACC:
-        if (gBattleMons[battlerDef].status1 & STATUS1_PSN_ANY)
-            tempScore += WEAK_EFFECT;
+        tempScore += WEAK_EFFECT;
+        if (IsBattlerTrapped(battlerAtk, battlerDef))
+            tempScore += DECENT_EFFECT;
         if (gBattleMons[battlerDef].volatiles.leechSeed)
             tempScore += WEAK_EFFECT;
-        if (gBattleMons[battlerDef].volatiles.root)
-            tempScore += WEAK_EFFECT;
         if (gBattleMons[battlerDef].volatiles.cursed)
             tempScore += WEAK_EFFECT;
         break;
diff --git a/test/battle/ability/minds_eye.c b/test/battle/ability/minds_eye.c
index 0300c2e4d5..3772a9df1d 100644
--- a/test/battle/ability/minds_eye.c
+++ b/test/battle/ability/minds_eye.c
@@ -60,7 +60,7 @@ AI_SINGLE_BATTLE_TEST("AI doesn't use accuracy-lowering moves if it knows that t
                if (abilityAI == ABILITY_MOLD_BREAKER) {
                    SCORE_GT(opponent, MOVE_SAND_ATTACK, MOVE_CELEBRATE);
                } else {
-                   SCORE_EQ(opponent, MOVE_SAND_ATTACK, MOVE_CELEBRATE);
+                   SCORE_LT_VAL(opponent, MOVE_SAND_ATTACK, AI_SCORE_DEFAULT);
                }
         }
     } SCENE {