Blunder Knight lesson · Davis sim · 1964

Robert James Fischer vs John Blackstone: Davis sim (1964)

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

White
Robert James Fischer
Black
John Blackstone
Result
1-0
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: Qb6+ 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 movecapture / material decision

Capture / Material Decision

Can you find it?

Find 38. Rxg6. 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 capture / material decision idea. Start by checking forcing moves.

Solution: Rxg6Rxg6 is a forcing move. It keeps initiative by using capture / material decision pressure, so the defender has to respond before solving the larger king-safety problem.

Puzzle 2white to movecheck

Check

Can you find it?

Find 37. Qb6+. 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: Qb6+Qb6+ 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 36. Qd8+. 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: Qd8+Qd8+ 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 35. Qd7+. 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: Qd7+Qd7+ 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 34. Rd6+. 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: Rd6+Rd6+ 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 "Davis sim"]
[Site "Davis"]
[Date "1964.??.??"]
[Round "?"]
[White "Fischer, Robert James"]
[Black "Blackstone, John"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B86"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.O-O Be7 8.Bb3 Qc7
9.f4 b5 10.f5 b4 11.fxe6 bxc3 12.exf7+ Kf8 13.Bg5 Ng4 14.Bf4 cxb2 15.Rb1 Nc6
16.Bd5 Nxd4 17.Bxa8 Qa7 18.Kh1 Nb5 19.Qd2 Qxa8 20.c4 Na7 21.Bxd6 Nc6 22.Bxe7+ Kxe7
23.Qg5+ Kf8 24.Qc5+ Ne7 25.Qc7 Nf6 26.e5 Qc6 27.Qd8+ Kxf7 28.Qxh8 Bb7 29.Rxb2 Qxc4
30.Rbf2 Ng6 31.Rxf6+ gxf6 32.Rxf6+ Ke7 33.Qxh7+ Kd8 34.Rd6+ Kc8 35.Qd7+ Kb8
36.Qd8+ Ka7 37.Qb6+ Ka8 38.Rxg6  1-0

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