diff --git a/index.js b/index.js
index 7553909..06a866e 100644
--- a/index.js
+++ b/index.js
@@ -4,21 +4,29 @@ const EMPTY = ' ';
 
 const container = document.getElementById('fieldWrapper');
 
+let field = [];
+let count = 0;
+let isWin = false;
+
 startGame();
 addResetListener();
 
 function startGame () {
-    renderGrid(3);
+    let dem = prompt("Размер поля:", 3);
+    renderGrid(dem);
+    count = dem*dem;
 }
 
 function renderGrid (dimension) {
     container.innerHTML = '';
 
     for (let i = 0; i < dimension; i++) {
+        field[i] = [];
         const row = document.createElement('tr');
         for (let j = 0; j < dimension; j++) {
             const cell = document.createElement('td');
             cell.textContent = EMPTY;
+            field[i][j] = EMPTY;
             cell.addEventListener('click', () => cellClickHandler(i, j));
             row.appendChild(cell);
         }
@@ -28,14 +36,71 @@ function renderGrid (dimension) {
 
 function cellClickHandler (row, col) {
     // Пиши код тут
+    if(count%2 == 0)
+        getSymbol(row, col, CROSS);
+    else 
+        getSymbol(row, col, ZERO);
     console.log(`Clicked on cell: ${row}, ${col}`);
+}
 
+function getSymbol (row, col, sym){
+    if(findCell(row, col).textContent == EMPTY && !isWin)
+    {
+        renderSymbolInCell(sym, row, col);
+        field[row][col] = sym;
+        count-=1;
+        if(checkWinner (row, col, sym)){
+            alert(`Победитель: ${sym === CROSS ? "крестики" : "нолики"}`);
+            isWin = true;
+        }
+        if(count == 0 && !checkWinner (row, col, sym))
+            alert("Ничья");
+    }
+}
 
-    /* Пользоваться методом для размещения символа в клетке так:
-        renderSymbolInCell(ZERO, row, col);
-     */
+function checkWinner (row, col, sym){
+    let flag = true;
+    let winWay = '';
+    for(let i = 0; i<field.length; i++){
+        if(field[row][i] !== sym){
+             flag = false;
+             break;
+            }
+            winWay= "gor";
+    }
+    if(!flag)
+        for(let i = 0; i<field.length; i++){
+            if(field[i][col] !== sym){
+                flag = false;
+                break;
+            }
+        flag = true;
+        winWay= "ver";
+        }
+    if(!flag)
+        for(let i = 0; i<field.length; i++){
+            if(field[i][i] !== sym){
+                flag = false;
+                break;
+            }
+        flag = true;
+        winWay="diagUp";
+        }
+    if(!flag)
+        for(let i = 0; i<field.length; i++){
+            if(field[i][field.length -1 - i] !== sym){
+                flag = false;
+                break;
+            }
+        flag = true;
+        winWay= "diagDown";
+        }
+    if(flag)
+        changeColor(winWay, row, col);
+    return flag;
 }
 
+
 function renderSymbolInCell (symbol, row, col, color = '#333') {
     const targetCell = findCell(row, col);
 
@@ -43,6 +108,28 @@ function renderSymbolInCell (symbol, row, col, color = '#333') {
     targetCell.style.color = color;
 }
 
+function changeColor(way, row, col){
+    switch(way){
+        case "gor":
+            for(let i = 0; i<field.length; i++)
+                findCell(row, i).style.color = "#ff2605";
+            break;
+        case "ver":
+            for(let i = 0; i<field.length; i++)
+                findCell(i, col).style.color = "#ff2605";
+            break;
+        case "diagUp":
+            for(let i = 0; i<field.length; i++)
+                findCell(i, i).style.color = "#ff2605";
+            break;
+
+        case "diagDown":
+            for(let i = 0; i<field.length; i++)
+                findCell(i, field.length -1 - i).style.color = "#ff2605";
+            break;
+    }
+}
+
 function findCell (row, col) {
     const targetRow = container.querySelectorAll('tr')[row];
     return targetRow.querySelectorAll('td')[col];
@@ -55,6 +142,7 @@ function addResetListener () {
 
 function resetClickHandler () {
     console.log('reset!');
+    startGame();
 }