Blunder Knight lesson · Donau Cup op · 1992

Judit Polgar vs Pavel Tregubov: Donau Cup op (1992)

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

White
Judit Polgar
Black
Pavel Tregubov
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: Qf4+ 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 27... Qf4+. 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: Qf4+Qf4+ 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 26... Qe3+. 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: Qe3+Qe3+ 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 25... Qf4+. 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: Qf4+Qf4+ 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 24... Qe3+. 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: Qe3+Qe3+ 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 23... Qxf4+. 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: Qxf4+Qxf4+ 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 "Donau Cup op"]
[Site "Budapest"]
[Date "1992.??.??"]
[Round "11"]
[White "Polgar, Judit"]
[Black "Tregubov, Pavel V"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2385"]
[ECO "B09"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5 6.Bb5+ Bd7 7.e5 Ng4 8.h3 cxd4
9.Qxd4 dxe5 10.Qd5 e4 11.Ng5 Nh6 12.Qxb7 Bxc3+ 13.bxc3 O-O 14.Qxa8 Qc7 15.Qxe4 Qxc3+
16.Kf2 Qxa1 17.Qxe7 Re8 18.Qb4 a5 19.Qa4 Bxb5 20.Qxb5 Qd4+ 21.Kg3 Re3+ 22.Bxe3 Qxe3+
23.Kh2 Qxf4+ 24.Kg1 Qe3+ 25.Kh2 Qf4+ 26.Kg1 Qe3+ 27.Kh2 Qf4+  1/2-1/2

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