## Welcome to H3 Maths

Blog Support for Growing Mathematicians

## Posts tagged with chess

### No Deception in this Deceptive Math Game

December9
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### Check Mate for Chess Cheats

April15

A recent news article reported that “a chess grandmaster has been thrown out of an international tournament and faces a 15-year ban after he was caught sneaking to the toilet to check moves on his mobile phone. Gaioz Nigalidze, the current Georgian champion, was expelled from the Dubai Open Chess tournament when he was found […]

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#### Post Support

10 x 9 x 8 + (7 + 6) x 5 x 4 x (3 + 2) x 1 = 2020

NCEA Level 2 Algebra Problem. Using the information given, the shaded area = 9, that is:
y(y-8) = 9 –> y.y – 8y – 9 =0
–> (y-9)(y+1) = 0, therefore y = 9 (can’t have a distance of – 1 for the other solution for y)
Using the top and bottom of the rectangle,
x = (y-8)(y+2) = (9-8)(9+2) = 11
but, the left side = (x-4) = 11-4 = 7, but rhs = y+? = 9+?, which is greater than the value of the opp. side??
[I think that the left had side was a mistake and should have read (x+4)?]