diff --git a/package-lock.json b/package-lock.json
index c571663..7f31c90 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "vue-nonograms-solid",
-  "version": "1.15.0",
+  "version": "1.15.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "vue-nonograms-solid",
-      "version": "1.15.0",
+      "version": "1.15.1",
       "dependencies": {
         "@capacitor/android": "^8.1.0",
         "@capacitor/cli": "^8.1.0",
diff --git a/package.json b/package.json
index 4bb4613..d31236d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-nonograms-solid",
-  "version": "1.15.0",
+  "version": "1.15.1",
   "homepage": "https://nonograms.7u.pl/",
   "type": "module",
   "scripts": {
diff --git a/src/composables/useSolver.js b/src/composables/useSolver.js
index cb5a6c1..7851acb 100644
--- a/src/composables/useSolver.js
+++ b/src/composables/useSolver.js
@@ -1,4 +1,4 @@
-import { ref, computed, onUnmounted } from 'vue';
+import { ref, computed, onUnmounted, watch } from 'vue';
 import { usePuzzleStore } from '@/stores/puzzle';
 import { useI18n } from '@/composables/useI18n';
 
@@ -18,6 +18,24 @@ export function useSolver() {
     let worker = null;
     let requestId = 0;
 
+    // Reset solver state when game resets or changes
+    watch(() => store.currentLevelId, () => {
+        resetSolverState();
+    });
+
+    watch(() => store.moves, (newVal) => {
+        if (newVal === 0) {
+            resetSolverState();
+        }
+    });
+
+    function resetSolverState() {
+        pause();
+        isStuck.value = false;
+        statusText.value = t('guide.waiting');
+        isProcessing.value = false;
+    }
+
     function step() {
         if (store.isGameWon) {
             pause();
diff --git a/src/stores/puzzle.js b/src/stores/puzzle.js
index f518186..e075e3a 100644
--- a/src/stores/puzzle.js
+++ b/src/stores/puzzle.js
@@ -432,6 +432,9 @@ export const usePuzzleStore = defineStore('puzzle', () => {
     guideUsageCount,
     currentDensity,
     markGuideUsed,
+    markBoostUsed,
+    hasUsedBoost,
+    boostUsageCount,
     startInteraction,
     endInteraction,
     completedRows,
diff --git a/src/utils/solver.js b/src/utils/solver.js
index 1e04010..9d8bf45 100644
--- a/src/utils/solver.js
+++ b/src/utils/solver.js
@@ -446,6 +446,7 @@ export function solvePuzzle(rowHints, colHints, onProgress, initialGrid = null,
         lookaheadUsed: maxDepth > 0,
         iterations,
         maxDepth,
-        backtracks
+        backtracks,
+        solution: grid
     };
 }
diff --git a/src/workers/solverWorker.js b/src/workers/solverWorker.js
index 92b079f..454e1ed 100644
--- a/src/workers/solverWorker.js
+++ b/src/workers/solverWorker.js
@@ -1,5 +1,5 @@
 import { calculateHints } from '../utils/puzzleUtils.js';
-import { solveLine } from '../utils/solver.js';
+import { solveLine, solvePuzzle } from '../utils/solver.js';
 
 const messages = {
   pl: {
@@ -140,7 +140,54 @@ const handleStep = (playerGrid, solution, locale) => {
 
 const handleBoost = (playerGrid, solution, locale) => {
   const size = solution.length;
-  // Find first unknown cell and reveal it
+  
+  // 1. Try to use the Solver (DFS) to find a logical move
+  try {
+    const { rowHints, colHints } = calculateHints(solution);
+    
+    // Map Store format (0=Unk, 1=Fill, 2=Cross) to Solver format (-1=Unk, 1=Fill, 0=Empty)
+    const solverGrid = playerGrid.map(row => row.map(cell => {
+      if (cell === 0) return -1;
+      if (cell === 1) return 1;
+      if (cell === 2) return 0;
+      return -1;
+    }));
+    
+    // Run full solver (logicOnly=false allows DFS/guessing)
+    // We pass solverGrid as initial state to respect user's moves
+    const result = solvePuzzle(rowHints, colHints, null, solverGrid, false);
+    
+    if (result && result.solution) {
+      const solvedGrid = result.solution;
+      
+      // Find the first cell that is Unknown in playerGrid but Known in solvedGrid
+      for (let r = 0; r < size; r++) {
+        for (let c = 0; c < size; c++) {
+          if (playerGrid[r][c] === 0) { // Unknown in Player
+            const solvedVal = solvedGrid[r][c]; // -1=Unk, 0=Empty, 1=Filled
+            
+            if (solvedVal !== -1) {
+              // Found a logical deduction!
+              const newState = solvedVal === 1 ? 1 : 2; // 1->Filled, 0->Cross
+              const stateLabel = t(locale, newState === 1 ? 'worker.state.filled' : 'worker.state.empty');
+              return {
+                type: 'move',
+                r,
+                c,
+                state: newState,
+                statusText: t(locale, 'worker.boosted', { row: r + 1, col: c + 1, state: stateLabel })
+              };
+            }
+          }
+        }
+      }
+    }
+  } catch (e) {
+    console.warn('Boost Solver failed, falling back to simple reveal:', e);
+  }
+
+  // 2. Fallback: If solver failed (e.g. contradiction due to user error), 
+  // or no new info found, use the "Cheat" method (reveal from true solution).
   for (let r = 0; r < size; r++) {
     for (let c = 0; c < size; c++) {
       if (playerGrid[r][c] === 0) {