diff --git a/index.js b/index.js
index 7553909..2f1caff 100644
--- a/index.js
+++ b/index.js
@@ -2,6 +2,12 @@ const CROSS = 'X';
 const ZERO = 'O';
 const EMPTY = ' ';
 
+let count;
+let dimension;
+let startPosition;
+let map;
+let flag;
+
 const container = document.getElementById('fieldWrapper');
 
 startGame();
@@ -12,10 +18,19 @@ function startGame () {
 }
 
 function renderGrid (dimension) {
-    container.innerHTML = '';
+    function renderGrid() {
+        dimension = prompt('Введите размер поля:');
+        map = new Map();
+        flag = false;
+        startPosition = 1;
+        count = 0;
+        container.innerHTML = '';
+        renderMap();
+    }
 
     for (let i = 0; i < dimension; i++) {
         const row = document.createElement('tr');
+
         for (let j = 0; j < dimension; j++) {
             const cell = document.createElement('td');
             cell.textContent = EMPTY;
@@ -28,14 +43,67 @@ function renderGrid (dimension) {
 
 function cellClickHandler (row, col) {
     // Пиши код тут
+    if (!(map.has(`${row}${col}`) || flag)) {
+        startPosition = (startPosition + 1) % 2;
+        let symbol = startPosition === 0 ? CROSS : ZERO;
+        map.set(`${row}${col}`, symbol);
+        renderSymbolInCell(symbol, row, col);
+        flag = map.size === dimension ** 2;
+
+        if (checkWin(symbol, row, col)) {
+            alert(`${symbol} победа`);
+            flag = true;
+        } 
+
+        else if (flag) {
+            alert('Победила дружба');
+        }
     console.log(`Clicked on cell: ${row}, ${col}`);
-
-
+    }
     /* Пользоваться методом для размещения символа в клетке так:
         renderSymbolInCell(ZERO, row, col);
      */
 }
 
+function checkWin(symbol, row, col) {
+    for (let i = 0; i < dimension; i++) {
+        if (map.get(`${i}${col}`) !== symbol) break;
+        if (i === dimension - 1) {
+            for (let x = 0; x < dimension; x++) renderSymbolInCell(symbol, x, col, '#d40b0b');
+            return true;
+        }
+    }
+
+    for (let j = 0; j < dimension; j++) {
+        if (map.get(`${row}${j}`) !== symbol) break;
+
+        if (j === dimension - 1) {
+            for (let y = 0; y < dimension; y++) renderSymbolInCell(symbol, row, y, '#d40b0b');
+            return true;
+        }
+    }
+
+    for (let ij = 0; ij < dimension; ij++) {
+        if (map.get(`${dimension - ij - 1}${ij}`) !== symbol) break;
+
+        if (ij === dimension - 1) {
+            for (let x = 0; x < dimension; x++) renderSymbolInCell(symbol, dimension - 1 - x, x, '#d40b0b');
+            return true;
+        }
+    }
+
+    for (let ij = 0; ij < dimension; ij++) {
+        if (map.get(`${ij}${ij}`) !== symbol) break;
+
+        if (ij === dimension - 1) {
+            for (let x = 0; x < dimension; x++) renderSymbolInCell(symbol, x, x, '#d40b0b');
+            return true;
+        }
+    }
+
+    return false
+}
+
 function renderSymbolInCell (symbol, row, col, color = '#333') {
     const targetCell = findCell(row, col);
 
@@ -54,6 +122,7 @@ function addResetListener () {
 }
 
 function resetClickHandler () {
+    startGame();
     console.log('reset!');
 }