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Chains Reaction

Games / Brain Teasers /

The words in Group A share a common property that only one word in Group B satisfies. Which one is it?

Group A:
Chains
Countess
Stained
Schooled
Purring
Corny

Group B:
Reaction
Penned
Spoiled
Stints
Putting
Hurry

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White to Play

Games / Chess Puzzles /

We’re going to find a new square to attack this week. The attacker in this game was Max Euwe, who was world champ from 1935-1937. He beat the great attacker Alekhine in 1935, then lost a rematch in 1937. He was well-respected as a fine positional player, but he could attack with the best of them when necessary.

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Age Mix-Up

Games / Brain Teasers /

Jordan, Justin and Jeff are brothers whose ages are 29, 30 and 31 (in any order). Your job is to determine the brothers' ages from the clues below. There's one catch though....only ONE clue is true. The rest are false. Good luck!

1. Justin is 30
2. Jordan is the youngest
3. Jordan is 31
4. Justin is one year older and one year younger than his brothers.
5. Justin is not the youngest.
6. Jordan is not two years older than Justin.
7. Justin is the oldest
8. Jeff is older than Jordan.

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Miracle Mountain

Games / Brain Teasers /

A hiker climbs all day up a steep mountain path and arrives at the mountain top where he camps overnight. The next day he begins the descent down the same trail to the bottom of the mountain when suddenly he looks at his watch and exclaims, "That is amazing! I was at this very same spot at exactly the same time of day yesterday on my way up."

What is the probability that a hiker will be at exactly the same spot on the mountain at the same time of day on his return trip, as he was on the previous day's hike up the mountain? Is the probability closest to (A) 99% or (B) 50% or (C) 0.1% ?

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Naming Names

Games / Brain Teasers /

In each equation below, part of a common name has been replaced with a definition for a word that is contained within that name. By answering the definition and completing the equation, you will find the name. (Ric + difficult = ric + hard = Richard)

Hint: Each is a girl's name.

1. Wrath + ne =
2. O + friend =
3. I + morose + ora =
4. B + building extension + e =
5. S + relate a story + a =

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White to Play

Games / Chess Puzzles /

This will finish our little trip into attacks on h7. This is a good teaching position because it shows the value of looking at all check and captures.

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Born Liars

Games / Brain Teasers /

Edward, Howard, and John are three high school students each of whom is taking three of the four subjects, biology, chemistry, history, and mathematics. One day while talking about their programs they made the following statements.

Edward: There is just one subject we're all taking. I'm the only one of us who is taking mathematics. No two of us are taking the same three subjects. John is wrong when he says that Howard and I are both taking chemistry.

Howard: Ed is the only one of us who is taking history. John and I are taking the same subjects. We're all taking biology. Two of us are taking both chemistry and biology.

John: We're all taking mathematics. Howard is taking history. Ed is...

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Take the Blue Pill

Games / Brain Teasers /

You've been placed on a course of expensive medication in which you are to take one tablet of Sildenafil and one tablet of Citrate daily. You must be careful that you take just one of each because taking more of either can have serious side effects.

Taking Sildenafil without taking Citrate, or vice versa, can also be very serious, because they must be taken together in order to be effective. In summary, you must take exactly one of the Sildenafil pills and one of the Citrate pills at one time. Therefore, you open up the Sildenafil bottle, and you tap one Sildenafil pill into your hand. You put that bottle aside and you open the Citrate bottle. You do the same, but by mistake, two ...

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White to Play

Games / Chess Puzzles /

In 1926, Janowski had just taken Rubinstein’s knight that had moved to g5. How did Rubinstein finish him off?

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Short-Lived

Games / Brain Teasers /

What does this rebus translate to?

Hit. Der.

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Can You See?

Games / Brain Teasers /

Can you decipher this common phrase?

eyeeseeexcept

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White to Play

Games / Chess Puzzles /

We are looking at attacks on h7 in the black castled position. This example is different in that h7 is defended by the king and knight.

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Adam and Eve

Games / Brain Teasers /

What common phrase does this translate to?

"Cherries, come here!"
"Raspberries, come here!"
"Apples, come here!"
"Pineapples, come here!"

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The Duel

Games / Brain Teasers /

Mr. Black, Mr. Gray, and Mr. White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr. Black, who hits his shot 1/3 of the time, gets to shoot first. Mr. Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr. White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr. Black, where should you shoot first for the highest chance of survival?

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I'm Spartacus!

Games / Brain Teasers /

What common phrase does this rebus translate to?

D B = 1
N BB = 2
A BBB = 3
T BBBB = 4
S BBBBB = 5

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White to Play

Games / Chess Puzzles /

This position has a twist on the Bxh7+ theme in that Ng5 doesn’t happen on the next move, but when does it happen??

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Rock Group

Games / Brain Teasers /

I am a rock group that has 4 members, all of whom are dead, one of which was murdered. What am I?

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The Bunk Beds

Games / Brain Teasers /

Six girls, Beth, Haley, Kayla, Liza, Reeva, and Zoe, are in the junior cabin at camp. They sleep in bunk beds. Each girl has a different color blanket on her bed. The beds are lined up in a row with red, black, yellow, brown, blue, and green blankets.

Clues:

1. Reeva and Haley's bed is closest to the door.
2. The color of the blankets on the bottom bunks all begin with the same letter.
3. The color of Beth's blanket does not begin with the same letter as the beginning of her name.
4. Reeva's blanket color does begin with the same letter as her name.
5. The blue blanket is under the red blanket.
6. Liza and Kayla like their lower bunks.
7. Kayla is in ...

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White to Play

Games / Chess Puzzles /

I’m starting a little series on the classical Bxh7+ mating attack against a castled position, but instead of the usual fare, you will meet some twists in the route to mate. I hope you enjoy these.

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Got the Edge

Games / Brain Teasers /

What's the rebus shown by this display below?

My---------Your
10:30

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