diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..655f330
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,7 @@
+{
+    // Используйте IntelliSense, чтобы узнать о возможных атрибутах.
+    // Наведите указатель мыши, чтобы просмотреть описания существующих атрибутов.
+    // Для получения дополнительной информации посетите: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": []
+}
\ No newline at end of file
diff --git a/index.js b/index.js
index 7553909..9c7b34d 100644
--- a/index.js
+++ b/index.js
@@ -1,19 +1,25 @@
 const CROSS = 'X';
 const ZERO = 'O';
 const EMPTY = ' ';
-
 const container = document.getElementById('fieldWrapper');
-
+let field = {}; 
+let fieldSize = 3;
+let cellsRemaining = 9;
+let gameIsOver = false;
 startGame();
 addResetListener();
-
-function startGame () {
-    renderGrid(3);
+function startGame() 
+{
+    let size = Number(prompt("Введите размер поля", 3));
+    cellsRemaining = size ** 2;
+    gameIsOver = false;
+    renderGrid(size);
+    createField(size);
+    fieldSize = field[0].length;
 }
-
-function renderGrid (dimension) {
+function renderGrid(dimension) 
+{
     container.innerHTML = '';
-
     for (let i = 0; i < dimension; i++) {
         const row = document.createElement('tr');
         for (let j = 0; j < dimension; j++) {
@@ -25,42 +31,156 @@ function renderGrid (dimension) {
         container.appendChild(row);
     }
 }
+function createField(dimension) 
+{
+    field = Array.from(Array(dimension), () => new Array(dimension));
+    for (let i = 0; i < dimension; i++)
+        for (let j = 0; j < dimension; j++)
+            field[i][j] = 0;
+}
+function checkWinConditions() 
+{
+    let rowsSum = new Array(fieldSize).fill(0);
+    let diagonalsSum = new Array(2).fill(0);
+    for (let i = 0; i < fieldSize; i++) 
+    {
+        let lineSum = 0;
+        for (let j = 0; j < fieldSize; j++) 
+        {
+            lineSum += field[i][j];
+            rowsSum[j] += field[i][j];
+
+            if (i === j)
+                diagonalsSum[0] += field[i][j];
+
+            if (i === fieldSize - j - 1)
+                diagonalsSum[1] += field[i][j];
+        }
+
+        gameIsOver = applyWinMessage(lineSum, [i, 0], [i, fieldSize - 1]);
+  
+        if (gameIsOver) break;
+    }
+    if (gameIsOver) return;
+    for (let i = 0; i < fieldSize; i++) 
+    {
+        gameIsOver = applyWinMessage(rowsSum[i], [0, i], [fieldSize - 1, i]);
+        if (gameIsOver) break;
+    }
+    if (gameIsOver) return;
+    for (let i = 0; i < fieldSize; i++)
+    {
+        gameIsOver = applyWinMessage(diagonalsSum[i],
+            [0, i === 0 ? 0 : fieldSize - 1], [fieldSize - 1, i === 1 ? 0 : fieldSize - 1], true);
+        if (gameIsOver) break;
+    }
 
-function cellClickHandler (row, col) {
-    // Пиши код тут
-    console.log(`Clicked on cell: ${row}, ${col}`);
+    if (!gameIsOver && cellsRemaining === 0) {
+        alert("Победила дружба")
+        gameIsOver = true;
+    }
+}
 
+function applyWinMessage(sum, firstPoint, secondPoint, isDiagonal = false) 
+{
+    if (Math.abs(sum) == fieldSize) 
+    {
+        if (sum > 0) 
+        {
+            makeWinnerRed('X', firstPoint, secondPoint, isDiagonal);
+            alert(`Победили Крестики!`);
+        }
+        else 
+        {
+            makeWinnerRed('O', firstPoint, secondPoint, isDiagonal);
+            alert(`Победили Нолики!`);
+        }
 
-    /* Пользоваться методом для размещения символа в клетке так:
-        renderSymbolInCell(ZERO, row, col);
-     */
+        return true;
+  
+    }
+    return false;
 }
 
-function renderSymbolInCell (symbol, row, col, color = '#333') {
-    const targetCell = findCell(row, col);
+function makeWinnerRed(symbol, firstPoint, secondPoint, isDiagonal = false) 
+{
+    if (!isDiagonal) 
+    {
+        for (let i = firstPoint[0]; i <= secondPoint[0]; i++)
+            for (let j = firstPoint[1]; j <= secondPoint[1]; j++)
+                renderSymbolInCell(symbol, i, j, "red");
+    }
+    else for (let i = 0; i < fieldSize; i++) {
+        renderSymbolInCell(symbol, i, firstPoint[1] === 0 ? i : fieldSize - i - 1, "red");
+    }
 
+}
+
+function cellClickHandler(row, col) 
+{
+    if (!gameIsOver) 
+    {
+        if (field[row][col] === 0) 
+        {
+            renderSymbolInCell(CROSS, row, col);
+            field[row][col] = 1;
+            cellsRemaining--;
+
+            console.log(`Clicked on cell: ${row}, ${col}`);
+
+            checkWinConditions();
+
+            if (!gameIsOver) 
+            {
+                makeBotMove();
+                checkWinConditions();
+            }
+        }
+    }
+}
+
+function makeBotMove() 
+{
+    let row = Math.floor(Math.random() * fieldSize);
+    let col = Math.floor(Math.random() * fieldSize);
+
+    while (field[row][col] != 0) 
+    {
+        row = Math.floor(Math.random() * fieldSize);
+        col = Math.floor(Math.random() * fieldSize);
+    }
+
+    renderSymbolInCell(ZERO, row, col);
+    field[row][col] = -1;
+    cellsRemaining--;
+    console.log(`Bot made move on cell: ${row}, ${col}`);
+}
+
+function renderSymbolInCell(symbol, row, col, color = '#333') 
+{
+    const targetCell = findCell(row, col);
     targetCell.textContent = symbol;
     targetCell.style.color = color;
 }
-
-function findCell (row, col) {
+function findCell(row, col) 
+{
     const targetRow = container.querySelectorAll('tr')[row];
     return targetRow.querySelectorAll('td')[col];
 }
-
-function addResetListener () {
+function addResetListener() 
+{
     const resetButton = document.getElementById('reset');
     resetButton.addEventListener('click', resetClickHandler);
 }
-
-function resetClickHandler () {
+function resetClickHandler() 
+{
+    startGame();
     console.log('reset!');
 }
-
-
 /* Test Function */
 /* Победа первого игрока */
-function testWin () {
+function testWin() 
+{
     clickOnCell(0, 2);
     clickOnCell(0, 0);
     clickOnCell(2, 0);
@@ -69,9 +189,9 @@ function testWin () {
     clickOnCell(1, 2);
     clickOnCell(2, 1);
 }
-
 /* Ничья */
-function testDraw () {
+function testDraw() 
+{
     clickOnCell(2, 0);
     clickOnCell(1, 0);
     clickOnCell(1, 1);
@@ -83,7 +203,7 @@ function testDraw () {
     clickOnCell(2, 1);
     clickOnCell(2, 2);
 }
-
-function clickOnCell (row, col) {
+function clickOnCell(row, col) 
+{
     findCell(row, col).click();
-}
+}
\ No newline at end of file