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Opening novelty

B33 · Sicilian Defense · Lasker-Pelikan Variation, Schlechter Variation

British Rapidplay 2026 · March 15, 2026

Hanache,Kai2229

1/2

Linton,Alexander1908

1/2

Novelty metrics

Eval Quality
Mid
55%
Practical Difficulty
Low
0%
Strategic Shift
Low
0%
Plan Shift
Low
30%
Imbalance
Low
0%
Theory Impact
High
81%
Sharpness
Low
37%
How to read these metrics

High does not always mean better. Each metric describes a different aspect of the novelty; for example, high sharpness means a more double-edged position.

Eval Quality

How the engine grades the novelty's objective quality.

Practical Difficulty

How tough the response is for a human at the board, with no preparation.

Strategic Shift

How much the long-term character of the game is changed by the novelty.

Plan Shift

How much the opponent must abandon their habitual plans after the novelty.

Imbalance

Whether the novelty trades material for real compensation.

Theory Impact

How disruptive the novelty is to known opening theory.

Sharpness

How sharp the resulting position is, and how easily either side can go wrong.

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