Indian Puzzle Championship - August 2010 Monthly Test

Logic Masters India announces the August Puzzle Test 'Broken Pieces'.

Have you enjoyed solving jigsaw puzzles (as a kid) or mechanical sudokus? Here's your chance to explore this concept into the area of puzzles and showcase your ability in joining pieces together to solve a puzzle.
The author of the puzzles are Tejal Phatak and Rohan Rao.

Contest Page

Download Instruction Booklet
Download Samurai Sudoku
Download Puzzle Booklet
Password is M201008P_JoinThePieces

The list of puzzles that appeared in the test are:

1. Black And White
2. Domino Hunt
3. Hitori
4. Irregular Sudoku
5. Loop Finder
6. Minesweeper
7. Samurai Sudoku
8. Scrabble Loop
9. Tapa
10. Tents
11. Train
12. Zigzag

Results

1. Hideaki Jo (Japan) - 140
2. Ulrich Voigt (Germany) - 130
3. Takei Daisuke (Japan) - 126
4. Shinichi Aoki (Japan) - 123
5. Kota Morinishi (Japan) - 121
6. Serkan Yurekli (Turkey) - 120
7. Nikola Zivanovic (Serbia) - 116
8. Michael Ley (Germany) - 112
9. Amit Sowani (India) - 111
10. Martin Merker (Germany) - 109

Indian participants

9. Amit Sowani (India) - 111
23. Rajesh Kumar (India) - 76
26. Rakesh Rai (India) - 72
31. Rishi Puri (India) - 61
40. Anurag Sahay (India) - 51
53. Jaipal Reddy (India) - 39
59. Macherla Kumar (India) - 32
60. Neeraj Mehrotra (India) - 31
61. Prasanna Seshadri (India) - 30
69. Anil Khosla (India) - 18

Complete Results

There were totally 75 participants.
Congrats to everyone!

Thank You all for participating! Hope you enjoyed the puzzles.
Please give me your feedback.

See you all next weekend for Evergreens II!

Article on 'Toughest Sudoku' in Mirror Newspaper

There is a one-page article on Arta Inkala's 'Toughest Sudoku' in Mumbai Mirror on 20th August, 2010. I had given it a shot last night and was able to solve it in 21 minutes using guesswork. His challenge to everyone is to find a logical path of solving it, which he says can take weeks! I had given my views and feedback.

You can read the article from the e-paper links:
Mumbai Mirror (20th August, 2010)

Pune Mirror (21st August, 2010)

Bangalore Mirror (23rd August, 2010)

Indian Sudoku Championship - August 2010 Monthly Test

Logic Masters India announces Qixi Festival Special Sudoku Test.
It was be held on 14th, 15th and 16th August (Yes, 72 hours since Qixi Festival falls on 16th August)

Download Instruction Booklet
View Points Table
Download Puzzle Booklet
Password is QiXifEstival

The sudokus that appeared in the test are:

Relay
1. Classic Sudoku

Match-Makers
1. Diagonal Sudoku
2. No Touch Sudoku
3. No Knight Step Sudoku
4. Non-Consecutive Sudoku
5. Touchy Sudoku
6. No 3 Odd/Even In A Line Sudoku
7. No Average Sudoku
8. Give Me Five Sudoku

Twin Sudoku
1. Classic Sudoku
2.. Irregular Sudoku

Results

1. Jakub Hrazdira (Czech Republic) - 770
1. Thomas Snyder (USA) - 770
3. Chen Cen (China) - 715
3. Tung-Yi Wu (Taiwan) - 715
3. Rodolphe Hurel (France) - 715
6. Nikola Zivanovic (Serbia) - 690
7. Rishi Puri (India) - 670
7. Jason Zuffranieri (USA) - 670
9. Rohan Rao (India) - 660
9. Zafer Huseyin Ergan (Turkey) - 660
9. Vincent Bertrand (Belgium) - 660
9. greenhorn (Slovakia) - 660
9. Sebastian Matschke (Germany) - 660
9. Takuya Sugimoto (Japan) - 660

Indian participants

7. Rishi Puri (India) - 670
9. Rohan Rao (India) - 660
16. Jai Bansal (India) - 605
23. Tejal Phatak (India) - 550
23. Jaipal Reddy (India) - 550
37. Sandeep (India) - 440
46. Utkaarsh Somaiya (India) - 350
47. Amit Sowani (India) - 345
51. Parijat Bansal (India) - 340
51. Prasanna Seshadri (India) - 340

Complete Results

There were totally 102 participants.
Congrats to everyone!

Indian Sudoku Championship - August 2010 Monthly Test

Logic Masters India announces the August Sudoku Monthly Test 'Sampler Platter'. Sampler Platter will feature a variety of sudoku clues all thrown together in a set of puzzles. The puzzles and designs for Sampler Platter have been created by David Millar.

Download Instruction Booklet
Download Puzzle Booklet
Password is illhavethesamplerplatter2010

Results

1. Jakub Ondrousek (Czech Republic) - 785
2. Hideaki Jo (Japan) - 765
3. Fred Stalder (Switzerland) - 715
4. Byron Calver (Canada) - 695
5. Don3232 (Taiwan) - 670
6. Jason Zuffranieri (USA) - 665
7. William Blatt (USA) - 660
7. Jakub Hrazdira (Czech Republic) - 660
9. Chen Cen (China) - 660
10. Taro Arimatsu (Japan) - 630
10. Kota Morinishi (Japan) - 630

Indian participants

15. Rohan Rao (India) - 570
26. Amit Sowani (India) - 485
31. Jaipal Reddy (India) - 465
43. Rakesh Rai (India) - 415
49. Harmeet Singh (India) - 380
51. Shanta Murthy (India) - 375
60. Ritesh Gupta (India) - 325
61. Tejal Phatak (India) - 320
61. Neeraj Mehrotra (India) - 320
77. Prasanna Seshadri (India) - 270

Complete Results

There were totally 119 participants.
Congrats to everyone!

Rules of 'Quadro Sudoku'

Place numbers in the grid such that every row, column and 3x3 box contain the numbers 1 to 9. No 2x2 region can contain all odd or all even numbers.

EXAMPLE:


UNIQUE SOLUTION:

Indian Sudoku Championship - July 2010 Monthly Test

Logic Masters India announces the July Sudoku Monthly Test 'Classic Look-Alikes'. Jan Mrozowski (janoslaw), the current and double World Sudoku Champion was the author of the puzzles. He's fond of Classic Sudokus with one additional rule and thats exactly why he created a test for us. The test was held on 17th-18th July, 2010.

Download Instruction Booklet
Download Puzzle Booklet
Password is LMI_m1007S_CLAlikes

The list of sudokus that appeared in the test are:

1. Classic Sudoku
2. Diagonal Sudoku
3. Quadro Sudoku
4. No Touch Sudoku
5. Anti Knight Sudoku
6. Non-Consecutive Sudoku
7. Between Sudoku
8. No Three In A Line Sudoku
9. Symmetric Unequal Sudoku
10. Touchy Sudoku

Results

1. Thomas Snyder (USA) - 510
2. Fred Stalder (Switzerland) - 454
3. Jakub Ondrousek (Czech Republic) - 445
3. Rohan Rao (India) - 445
5. Yuhei Kusui (Japan) - 421
6. Gaurav Korde (India) - 414
7. Chen Cen (China) - 403
8. Zafer Huseyin Ergan (Turkey) - 399
9. Jakub Hrazdira (Czech Republic) - 388
10. Vincent Bertrand (Belgium) - 387

Indian participants

3. Rohan Rao (India) - 445
6. Gaurav Korde (India) - 414
15. Rishi Puri (India) - 345
30. Jaipal Reddy (India) - 288
41. Rakesh Rai (India) - 257
47. Rajesh Kumar (India) - 235
48. Amit Sowani (India) - 233
60. Tejal Phatak (India) - 196
71. Ritesh Gupta (India) - 172
76. Neeraj Mehrotra (India) - 143

Complete Results

There were totally 126 participants.
Congrats to everyone!

Rules of 'Queen Sudoku'

Place numbers in the grid such that every row, column and 3x3 box contain the numbers 1 to 9. One number (usually '9') in the grid is a chess Queen. Two Queens cannot be placed along the same row, column or diagonal of any length.

EXAMPLE: (9)


UNIQUE SOLUTION:

Indian Puzzle Championship - July 2010 Monthly Test

Logic Masters India announces its first Puzzle Monthly Test 'Evergreens' comprising of some of the standard and basic puzzles. It was open from 3rd July, 00:00 GMT (05:30 IST) t0 4th July 24:00 GMT (05:30 IST on 5th July). Duration of test was 2hrs.
The author of the puzzles are Amit Sowani and Deb Mohanty.

Download Instruction Booklet
Download Puzzle Booklet
Password is EverGreens_sf2!4nW
View Solutions

The puzzles that appeared in the test are:

1. Arrows
2. As Easy As ABCD
3. Battleships
4. Dominos
5. Fence
6. Hitori
7. Kakuro
8. Loop Finder
9. Magnet
10. Minesweeper
11. Paint By Number
12. Tents And Trees
13. Zigzag

Results

1. Hideaki Jo (Japan) - 1180
2. Ulrich Voigt (Germany) - 1155
3. Thomas Snyder (USA) - 1145
4. Jana Tylova (Czech Republic) - 1125
5. Taro Arimatsu (Japan) - 1105
6. Phillip Weiß (Germany) - 1105
7. Nikola Zivanovic (Serbia) - 1100
8. Shinichi Aoki (Japan) - 1055
9. Serkan Yurekli (Turkey) - 980
10. Jason Zuffranieri (USA) - 970

Indian participants

30. Rohan Rao (India) - 830
44. Rakesh Rai (India) - 640
59. Tejal Phatak (India) - 550
64. Jaipal Reddy (India) - 515
69. Gaurav Korde (India) - 505
85. Amit Agarwal (India) - 395
91. Harmeet Singh (India) - 355
96. Neeraj Mehrotra (India) - 310
104. Kailash HD (India) - 285
106. Rishi Puri (India) - 275

Complete Results

There were totally 138 participants.
Congrats to everyone!

Puzzle No.318

This is an Extra Region Sudoku created by Fred Stalder.

PUZZLE NO.318: EXTRA REGION SUDOKU


SOLUTION:

Sudokucup 4

The 4th Sudokucup was held on 19th-20th June, 2010.
The author of the puzzles is Nikola Zivanovic.

Download Instruction Booklet
Download Puzzle Booklet
Password is IQEM71!YWU45D9B?

The list of sudokus that appeared in the test are:

1. Classic Sudoku
2. Classic Sudoku
3. Odd Sudoku
4. Blocks Sudoku
5. Irregular Sudoku
6. Diagonal Sudoku
7. Extra Region Sudoku
8. Calculoku
9. Laminate Sudoku
10. Hundred Sudoku
11. Between 1 And 9 Sudoku
12. Surprise Sudoku (Poetry Sudoku)
13. Scrabble Sudoku
14. Equalizer Sudoku
15. Toroidal Sudoku

Results

1. Thomas Snyder (USA) - 300 (00:53)
2. Jan Mrozowski (Poland) - 300 (01:23)
3. Jan Novotny (Czech Republic) - 300 (01:29)
4. Daniel Scott (USA) - 300 (01:31)
5. Jakub Ondrousek (Czech Republic) - 300 (01:35)
6. Hideaki Jo (Japan) - 300 (01:38)
7. Jason Zuffranieri (USA) - 300 (01:38)
8. Michael Ley (Germany) - 300 (01:39)
9. Jim Schneider (USA) - 300 (01:40)
10. Jakub Hrazdira (Czech Republic) - 300 (01:43)
11. Kota Morinishi (Japan) - 300 (01:46)
12. Minfang Lin (China) - 300 (01:46)
13. William Blatt (USA) - 300 (01:50)
14. Krzysztof Foszcz (Poland) - 300 (01:51)
15. Jonathan Rivet (USA) - 300 (01:56)
16. Gulce Ozkutuk (Turkey) - 300 (01:59)

Indian participants

23. Rohan Rao (India) - 268
32. Tarun Bisoniya (India) - 254
62. Rajesh Kumar (India) - 208
66. Rakesh Rai (India) - 196
76. Jaipal Reddy (India) - 187
111. Neeraj Mehrotra (India) - 155
186. Hiren Patel (India) - 110
197. Kailash HD (India) - 104
218. Tejal Phatak (India) - 90
255. Teja PVK (India) - 65

Complete Results

There were totally 340 participants.
Congrats to everyone!