Blunder Knight lesson · Candidats Tournament · 1959

Mikhail Tal vs Tigran Petrosian: Candidats Tournament (1959)

Watch the famous game, then train the tactics that made it work.

White
Mikhail Tal
Black
Tigran Petrosian
Result
1/2-1/2
Focus
Tactics + development
Big lesson

The lesson is not just the tactic — it is how the position made the tactic possible.

Board + puzzle feel

Chess.com-familiar, saved for you.

We can’t import private Chess.com UI settings, so ChessCoach saves its own preferences locally and uses familiar defaults: green board, coordinates, clear move dots, instant feedback.

Replay the lesson

Move through the key positions like an analysis board.

Position 1 / 10 · Cold Open

Cold Open

Find the idea: Qc5+ works only if one defender is overloaded. What would you play?

Practical takeaway

Pause before grabbing material: king safety, development, and forcing moves decide the tactic.

Training puzzles from this game

Find the move, then prove you saw the idea.

This is the Chess.com-style flow: clear task, playable board, instant feedback, then the explanation.

Analyze my games for these motifs
Puzzle 1black to movecheck

Check

Can you find it?

Find 24... Qc5+. What is the idea?

Drag the move on the board, or type the move if you already see it.

Need a hint?

The answer is a check idea. Start by checking forcing moves.

Solution: Qc5+Qc5+ is a forcing move. It keeps initiative by using check pressure, so the defender has to respond before solving the larger king-safety problem.

Puzzle 2black to movecheck

Check

Can you find it?

Find 23... Qc4+. What is the idea?

Drag the move on the board, or type the move if you already see it.

Need a hint?

The answer is a check idea. Start by checking forcing moves.

Solution: Qc4+Qc4+ is a forcing move. It keeps initiative by using check pressure, so the defender has to respond before solving the larger king-safety problem.

Puzzle 3black to movecheck

Check

Can you find it?

Find 22... Bg4+. What is the idea?

Drag the move on the board, or type the move if you already see it.

Need a hint?

The answer is a check idea. Start by checking forcing moves.

Solution: Bg4+Bg4+ is a forcing move. It keeps initiative by using check pressure, so the defender has to respond before solving the larger king-safety problem.

Puzzle 4black to movecheck

Check

Can you find it?

Find 21... Nd2+. What is the idea?

Drag the move on the board, or type the move if you already see it.

Need a hint?

The answer is a check idea. Start by checking forcing moves.

Solution: Nd2+Nd2+ is a forcing move. It keeps initiative by using check pressure, so the defender has to respond before solving the larger king-safety problem.

Puzzle 5black to movecheck

Check

Can you find it?

Find 18... Rxf1+. What is the idea?

Drag the move on the board, or type the move if you already see it.

Need a hint?

The answer is a check idea. Start by checking forcing moves.

Solution: Rxf1+Rxf1+ is a forcing move. It keeps initiative by using check pressure, so the defender has to respond before solving the larger king-safety problem.

From famous game to your games
1

Watch the moment

See why the tactic worked in the original game.

2

Solve the pattern

Train the same motif before revealing the answer.

3

Import your games

ChessCoach finds similar mistakes and chances in your own play.

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Full PGN

[Event "Candidats Tournament"]
[Site "Bled/Zagreb/Belgrade"]
[Date "1959.??.??"]
[Round "26"]
[White "Tal, Mihail"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B94"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nbd7 6.Bc4 a6 7.Bg5 Qa5 8.Qd2 e6
9.O-O h6 10.Bh4 g5 11.Bg3 Nh5 12.Bxe6 fxe6 13.Nxe6 Nxg3 14.fxg3 Ne5 15.Rxf8+ Rxf8
16.Qxd6 Rf6 17.Nc7+ Kf7 18.Rf1 Rxf1+ 19.Kxf1 Nc4 20.Qxh6 Qc5 21.Nxa8 Nd2+
22.Ke2 Bg4+ 23.Kd3 Qc4+ 24.Ke3 Qc5+  1/2-1/2

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