Blunder Knight lesson · Cicero sim · 1964

Robert James Fischer vs J. Warren: Cicero sim (1964)

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

White
Robert James Fischer
Black
J. Warren
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: Qf5+ 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 1white to movecheck

Check

Can you find it?

Find 31. Qf5+. 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: Qf5+Qf5+ 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 2white to movecheck

Check

Can you find it?

Find 30. Qc8+. 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: Qc8+Qc8+ 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 3white to movecheck

Check

Can you find it?

Find 29. Qf5+. 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: Qf5+Qf5+ 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 4white to movecheck

Check

Can you find it?

Find 28. Qxf8+. 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: Qxf8+Qxf8+ 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 5white to movecheck

Check

Can you find it?

Find 27. Rf8+. 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: Rf8+Rf8+ 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.

Import my games and build my training plan →

Full PGN

[Event "Cicero sim"]
[Site "Cicero"]
[Date "1964.??.??"]
[Round "?"]
[White "Fischer, Robert James"]
[Black "Warren, J."]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B88"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 e6 7.Bb3 Be7 8.Be3 O-O
9.O-O Bd7 10.f4 Nxd4 11.Bxd4 Bc6 12.Qe2 b5 13.Nxb5 Bxb5 14.Qxb5 Nxe4 15.f5 Bf6
16.Qd3 Bxd4+ 17.Qxd4 d5 18.c4 dxc4 19.Qxe4 cxb3 20.fxe6 Qb6+ 21.Kh1 fxe6
22.axb3 Qxb3 23.h3 Qxb2 24.Qxe6+ Kh8 25.Qe7 Rxf1+ 26.Rxf1 h6 27.Rf8+ Rxf8
28.Qxf8+ Kh7 29.Qf5+ Kg8 30.Qc8+ Kh7 31.Qf5+ g6 32.Qa5 Qb6 33.Qa2 Qb7 34.Qa1 Qc7  1/2-1/2

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