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Brain Teasers and Puzzles 


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Puzzle 109 


How many squares of any size on this chessboard do not contain a rook?

Rooks On C2, E5, F3, G8

Puzzle Copyright © Kevin Stone

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Puzzle 110 


W B H F S K F V J P Z
H S S H T J P P N W L
A F P W P N T D S W S
T R H S P L M V R G B
I D P B D W S N R T C
S R S F T D B K K F B
O M F R L Z F R K Y P
N J Z J S Z N M B J Q
E R Z F Q Z V G Y F V
P P F G F W Z W N R P
L B J V R J H F K T Z
U H F K Y F W J F S R
S S W C Q R Q Y H R S
O M W F P R Q J K H R
N M B W S K B J Y D Q
E T J Y P F D L R P F

Puzzle Copyright © Kevin Stone

workings hint answer print

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Puzzle 111 


Using all of the letters A to Z, each once only, complete these common words. There are currently 2 different answers, can you find them both?
-ai-e s-ua- -e-el -o-ed -na-e fog-- c--mp b--jo -r-it -re-t -av-n mu--c mou--

Puzzle Copyright © Kevin Stone

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Puzzle 112 


Start in the bottom left corner and move either up or right, one square at a time, adding up the numbers. What is the largest total you can make?

Note: this puzzle is not interactive, and the numbers cannot be clicked.

Puzzle Copyright © Kevin Stone

workings hint answer print