ROUND 22020

WPF PUZZLE GP 2020SOLUTION BOOKLET

1. Fill in the Blanks [Rakesh Rai] (25 points)

2. Arithmetic Square [Rakesh Rai] (9 points)

9, 31, 73, 141, 241, 379, 561 1+8 4+27 9+64 16+125 25+216 36+343 49+5121×1=1 2×2=4 3×3=9 4×4=16 5×5=25 6×6=36 7×7=492×2×2=8 3×3×3=27 4×4×4=64 5×5×5=125 6×6×6=216 7×7×7=343 8×8×8=512

1

× + = 20

+ + +

× − = 20

× + ×

× ÷ = 20

= = >

20 20 20

2 6 8

3 9 7

4 5 1

2a

2b

2c

3. Scrabble [Rakesh Rai] (29 points)

3a

3b

A O O A O A O O A O A A A A A

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

4. Letter Weights [Rakesh Rai] (51 points)

A B D E G H I K L M N O R S T Y4 3 13 10 6 11 2 12 14 1 8 16 15 5 4 7 9

5-6. Spiral Galaxies [Rakesh Rai] (13, 18 points)

A B C D

E F G H

I J K

L M N

O P Q

R S

T U

V W X Y

5a

5b

A B C D E F

G H I

J K L M N

O P Q

R S T

U V W X Y Z A B C D E

6a

6b

2020ROUND 2WPF PUZZLE GP

7. Spiral Galaxies + Tetrominoes [Rakesh Rai] (41 points) 8-10. Nurikabe [Rakesh Rai, Prasanna Seshadri, Prasanna Seshadri] (9, 44, 59 points)

11. Futoshiki [Rakesh Rai] (19 points)

12. Futoshiki (Nonconsecutive) [Rakesh Rai] (17 points)

7a

7b

A B

C

D E F G

H J

K

M N

P Q

L

TI

O

S

13 3 7 7

8

1

4 1 13 3

10a

10a

2 2 2 2 2 2 2 2

2 2 2 2 2

2 2 2 2 28a

8a

2 2 3 2 11 6 2 1 4 4 5 5

9a

9a

3 6 5 2 1 4 1 5 4 3 2 6 2 4 1 6 3 5 5 3 6 1 4 2 6 1 2 4 5 3 4 2 3 5 6 1

11a

11b

6 3 1 4 2 5 4 1 5 2 6 3 1 4 2 5 3 6 3 6 4 1 5 2 5 2 6 3 1 4 2 5 3 6 4 1

12a

12b

13-15. Skyscrapers [Prasanna Seshadri, Rakesh Rai, Prasanna Seshadri] (11, 19, 94 points)

5 2 1 5 2 3 4 5 3 5 3 2

1 2 4 5 6 3 3 6 2 1 4 5 4 5 3 6 1 2 5 4 6 3 2 1 2 3 1 4 5 6 6 1 5 2 3 4

13a

13b

3 6 4 5 1 2 2 4 1 3 5 6 1 5 3 2 6 4 4 1 5 6 2 3 6 3 2 1 4 5 5 2 6 4 3 1

3 1 3 2 3 2 2 3 4 1 3 2 3 2 1 2 2 4 2 4 1 2 3 3

14a

14b

2 5

5 2 5 2 5 4 2 3

4 2

3 4 2 4 3 4 3

3 5 4 1 6 7 2 4 6 7 2 1 5 3 5 7 6 3 2 1 4 2 4 1 6 7 3 5 6 1 3 4 5 2 7 7 3 2 5 4 6 1 1 2 5 7 3 4 6

15a

15b

16-18. Snake [Prasanna Seshadri] (27, 35, 19 points)

5 5 6

5 6

5

16a

16b

8 2 7 1 5 6 3 6 7 6 5 5 3 6 5 5 6 4

17a

17b

7 6

8 4 3 7 5 5

18a

18b

2020ROUND 2WPF PUZZLE GP

19-20. Tom Tom [Rakesh Rai] (27, 34 points)

21. Tom Tom (Operations) [Rakesh Rai] (16 points)

22-24. Statue Park [Rakesh Rai, Prasanna Seshadri, Prasanna Seshadri] (43, 56, 58 points)

25-27. Loop (Tapa) [Prasanna Seshadri] (15, 19, 20 points)

8 9

20 1

14

6 5 1 3 2 4 5 1 2 4 3 6 1 2 5 6 4 3 2 3 4 5 6 1 3 4 6 2 1 5 4 6 3 1 5 2

{1-6}

19a

19b

0 0

1

0

100 0

0

2 4 6 5 3 1 3 1 4 2 6 5 6 2 1 4 5 3 4 5 3 1 2 6 5 3 2 6 1 4 1 6 5 3 4 2

{1-6}

20a

20b

÷ ÷ ÷

÷ −

−

−

2 4 3 6 5 1 6 1 5 3 2 4 5 3 6 1 4 2 3 5 4 2 1 6 1 6 2 4 3 5 4 2 1 5 6 3

{1-6}

21a

21b

22a

22b

V

XT

U

I

W

L

P

Z

F

N

Y

23a

23b

VX

T

U

I

W

L

P

Z

F

N

Y

24a

24b

V

X

TU

I

W

LPZ

FN

Y

25a

25b

2

2

1 7

4 4

1 23

1 12

1

1

26a

26b

2 3

2 32 3

2 3 2 63 4

2 2

1 13

1 12

2 33

27a

27b

4 4

1 3

1 3

1 2

1 2

1 6

1 24

2 22

21 3

31

2 3

4

4