Which would be stronger, a chess side with a back row of all rooks or a chess side with a back row of all bishops
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Replying to @ShadowTodd
The rooks, officially the "tier ranking" of pieces is the rooks are worth 5 points each and the bishops are worth 3.5
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Replying to @arthur_affect @ShadowTodd
A single rook is capable of reaching any space on the board, and the "distance" when unobstructed is never more than two moves A single bishop is completely barred from ever reaching any square with a different color than the one it started on
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Replying to @arthur_affect @ShadowTodd
That said, while the bishop can only reach half the board, it can also reach any square in its half of the board in two moves when unobstructed On the other hand, the knight can reach any square eventually but this may take a long time (the subject of the "Knight's Tour" puzzle)
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Replying to @arthur_affect @ShadowTodd
But the knight jumps, so it cannot be obstructed This balances out to a knight being slightly less good than a bishop (3 points to the bishop's 3.5)
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Replying to @arthur_affect @ShadowTodd
The 0.5 is kind of a whole is more than the sum of its parts thing When you have both bishops, one on the light and one on the dark squares, they cover the whole board, and that's worth 7 points One bishop by itself rounds down to 3 points
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It's less valuable than it was as half of a pair, because the king can hide on the other color of squares and be permanently safe from it
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