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Keeping calculation at peak level

Level: IM / GM track (2400+)Topic: Calculation45 minutes

In short

Calculation strength declines quickly without training. Mix very hard tactical positions, endgame studies and blindfold calculation exercises into each week.

By the end you can

The lesson

Calculation strength declines quickly without training. Mix very hard tactical positions, endgame studies and blindfold calculation exercises into each week.

Studies are especially valuable: they contain paradoxical ideas that engines find easily but humans must learn to see.

Key points to remember

Examples

h1g2f3e4d5c6b7a8
Example 1 (Black to move). A very deep combination. (Lichess puzzle 0qLNX, rated 2550)
Show the solution

54... Kd7 55. a5 Kc8 56. Kc6 f4 57. a6 Kb8

Practise it

Solve puzzles on this idea: zugzwang puzzles, underpromotion puzzles.

Homework

Five very hard puzzles and one study each week.

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