Information and IdeasVery hardInference about the source of strangeness
Information and Ideas practice question
A chess engine trained only on games between human masters plays at about a master's level. A newer engine, trained only by playing against itself, plays far more strongly — and its moves often strike masters as strange. The strangeness most likely arises because ____
Which choice most logically completes the text?
- A. the newer engine's play was never shaped by human ideas of what a good move looks like.Correct
- B. the newer engine makes more mistakes than the older one.
- C. human masters do not really understand chess.
- D. the older engine was trained for a longer time.
Answer: A. the newer engine's play was never shaped by human ideas of what a good move looks like.
The older engine learned from humans and plays like them; the newer one learned only from itself. Moves that look strange to humans but win are what you'd expect from play formed outside human convention.
Why the other answers are wrong
- B. the newer engine makes more mistakes than the older one.
- The newer engine plays 'far more strongly', so its strange moves aren't mistakes.
- C. human masters do not really understand chess.
- Masters play at a master level; the text implies their conventions are limited, not that they lack understanding.
- D. the older engine was trained for a longer time.
- Training time isn't mentioned, and it wouldn't explain strangeness.
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