Evaluating of Potential Exchanges
I. General Principals
- Default to NO - If you're not sure, avoid the exchange.
- Point values - Avoid exchanges of inadequate value. (P-1, N-3, B-3, R-5, Q-9)
- Especially in the Endgame - Don't exchange if you're behind in material.
II. Specific Considerations - Active
- Attack defensive structures by exchanging against supporting pieces.
- Disable attack formations by exchanging passive pieces for active pieces.
- Exchange for up to 2 pt loss for clear positional advantage, such as exposing a king.
- Exchange equally to simplify or open a position.
III. Specific Considerations - Passive
In the case of static positions offering exchange to either side, there are three major considerations.
- Supporting pieces - often multiple pieces attacking/defending the same square, make sure the exchanges would not result in a material loss in the end.
- Tempo - somtimes a change in tempo can be affected by an exchange.
- Position - the positional effects vary depending on who initiates the exchange.
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