Quite simply, find the one move by Black that doesn't checkmate White! It's really not that hard! Good luck solving!

I find something very puzzling with some eBay listings. Examples I can buy a good decent gaming laptop that will blow this laptop from 1993 out of the water. And they want $1500 for it.... This listing is for a part to a laptop I have. That I bought for 250. These people want $500 for a pa...

Can you find these proverbs? 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

The following fractal shape has a surprising property: This two-dimensional shape can be folded onto the surface of a regular polyhedron (one of the five platonic solids) in a way that perfectly covers the entire surface of the polyhedron with no gaps and no overlaps. How can this be done, a...

I make billions (#4) For years did a sharp little verse, Grow fast in our ears like a curse, A tune on TV, Did subconsciously, Cause all to spend much from their purse, Who / what am I? Previous riddles in this series: I make billions #1 I make billions #2 I make billions ...

This is my daily sports program: First exercise: 1) Stand up 2) Got on your knees 3) Keep both arms on your body 4) Pause 5) Lean your body slightly to the left Second exercise: 1) Turn in a circle 2) Imagine there is a sweetness to your left, laying on the floor ...

$Given$: $COMPUTERS$ is the smallest Pan Digital containing all the digits 1 to 9 occurring only once. $COMPUTERSV$ is a Prime only when one of the correct digit ($V$)is added at the end. Also, $COMPUTERSE$ = $CE$ * $EOTOCTPC$ What is the digit $V$ that has to be added to make $COMPUTERS$ A ...

$1$ $1$,$2$ Good easy start $1$,$2$,$4$ As expected $1$,$2$,$4$,$8$ I know it is going to be easy $1$,$2$,$4$,$8$,$16$ why is he giving this? I got it! $1$,$2$,$4$,$8$,$16$,Prime ...oops!..why is it here? $1$,$2$,$4$,$8$,$16$,Prime, Odd...sure this is odd $1$,$2$,$4$,$8$,$16$,Prime,Odd...

Is it possible to position five 5-cent coins so that each coin touches the other four coins?

This is a stack of countries: $Russia$ $Gabon$ $Germany$ $Indonesia$ Values of the countries: $Russia = 8$ $Gabon = 12$ $Germany = 8$ $Indonesia = 6$ Question: Try to find a value for $Spain$

This is a queue of countries: $Ireland, Guinea, Romania, Italy$ Values: $Ireland = 7$ $Guinea = 15$ $Romania = 60$ $Italy = 87$ Try to answer following questions: 1) $Mali$ = ? 2) $Iran, rot. 90°$ = ? 3) $Bolivia, rot. 90°$ = ? 4) $Malta$ = ? 5) $Cameroon$ = ...

King has placed a bounty on Valiant Knight and enlisted his evil queen’s help. Queen knows knight’s regular stops of his journey and knows he goes through all odd prime cells. She strategically placed her self in D3 to cover all those cells. Normal chess movements apply for both the Knight and...