Mental Calculation World Cup 2014Erlebnisland Mathematik

Dresden, Germany, 10 - 12 October 2014

CONTENTS: Mental Calculation World Cup Web Site | Maths Links
WORLD CUP 2014:  General Information | Results| Math Adventure Land Dresden


MCWC 2014 champions
The MCWC 2014 champions (from left to right):
Andreas Berger (Versality), Marc Jornet Sanz (Calendar and Multiplication), Granth Thakkar (Combination and Addition), Rhea Shah (Square Roots)

Combination

Rank
 Name Score
1 Granth Thakkar (India)
 577.77
2 Marc Jornet Sanz (Spain)
 559.85
3 Chie Ishikawa (Japan)
 552.02
4 Andreas Berger (Germany) 472.91
5 Robert Fountain (Great Britain)
 460.50
6 Adi Tamir (Israel)
 459.51
7 George Lane (Great Britain)
 414.07
8 Rhea Shah (India)
 391.03
9 Hua Wei Chan (Malaysia)
 379.26
10 Wenzel Grüß (Germany)
 370.10
11 Georgi Georgiev (Bulgaria)
 365.72
12 Neelakanth Bhanu Prakash Jonnalagadda (India)
 348.55
13 Andrew Robertshaw (Great Britain)
 323.05
14 Arturo Mendozo Huertas (Peru)
 321.88
15 Pascal Kaul (Switzerland)
 320.93
16 Alberto Rodríguez Alonso (Spain)
 309.68
17 Maitri Maniar (India)
 298.58
18 Nodas Boukovalas (Greece)
 267.07
19 Tina Bauer (Germany)
 255.84
20 Shourya Maheshwari (India)
 248.28
21 Martin Drees (Germany)
 229.89
22 Freddis Reyes Hernández (Cuba)
 227.01
23 Alexander Drygalla (Germany)
 193.63
24 Jordi Amigó Salvatella (Spain)*
 182.67
25 Shashank Jain (India)
 181.27
26 Erich Prem (Austria)*
 180.62
27 Dhruv Shah (India)
 166.60
28 Kenneth Wilshire (Great Britain)
 163.45
29 Willem Bouman (Netherlands)* 159.00
30 Leif Silverein (Sweden)
 150.14
31 Jean Jacques Bruyant (France)
 138.01
32
 Stefan Lehmann (Germany)
 115.82
33 Aditya Narayan (India)
 109.14
34
 Pruthvi Mistry (India)
 108.39
35
 Priyanshul Chauriya (India)
 107.02
36
 Ali Bayat Movahhed (Iran) 106.19
37
 Silke Betten (Germany)
  98.60
38
 Christopher Beeg (Germany)
  86.58
39
 Nisha Belani Bhatia (Spain)*
  51.00
*: Did not take part in all single events

Most Versatile Calculator

(score from the six surprise tasks)
Rank
 Name
 Score
1 Andreas Berger (Germany) 365.83
2 Chie Ishikawa  (Japan) 338.39
3 George Lane (Great Britain) 305.23
4 Adi Tamir (Israel) 275.67
5 Andrew Robertshaw (Great Britain) 254.41
6 Robert Fountain (Great Britain) 249.61
7 Wenzel Grüß (Germany) 220.89
8 Arturo Mendozo Huertas (Peru) 219.54
9 Neelakanth Bhanu Prakash Jonnalagadda (India) 219.46
10 Granth Thakkar (India) 200.20
11 Hua Wei Chan (Malaysia) 194.11
12 Marc Jornet Sanz (Spain) 180.31
13 Martin Drees (Germany) 179.59
14 Pascal Kaul (Switzerland) 166.55
15 Willem Bouman (Netherlands) 159.00
16 Georgi Georgiev (Bulgaria) 154.42
17 Alberto Rodríguez Alonso (Spain) 135.38
18 Jordi Amigó Salvatella (Spain) 117.45
19 Kenneth Wilshire (Great Britain) 117.42
20 Nodas Boukovalas (Greece) 113.85
21 Rhea Shah (India) 102.57
22 Erich Prem (Austria) 100.64
23 Stefan Lehmann (Germany) 99.38
24 Jean Jacques Bruyant (France) 86.17
25 Ali Bayat Movahhed (Iran) 84.37
26 Alexander Drygalla (Germany) 82.02
27 Tina Bauer (Germany) 77.82
28 Maitri Maniar (India) 72.24
29 Freddis Reyes Hernández (Cuba) 50.99
30 Dhruv Shah (India) 43.09
31 Pruthvi Mistry (India) 35.32
32 Christopher Beeg (Germany) 30.82
33 Silke Betten (Germany) 29.71
34 Leif Silverein (Sweden) 28.21
35 Aditya Narayan (India) 25.52
36 Shashank Jain (India) 17.07
37 Priyanshul Chauriya (India) 15.38
38 Shourya Maheshwari (India) 12.20
39 Nisha Belani Bhatia (Spain) 0.00


Calendar Calculations

(one minute, dates from the years 1600-2100, best of two rounds)
 
Rank
 Name
 Score
 First Round
 Second Round
1 Marc Jornet Sanz (Spain) 64 61 64
2 Tina Bauer (Germany) 58 58 10
3 Georgi Georgiev (Bulgaria) 53 49 53
4 Granth Thakkar (India) 52 52 49
5 Nodas Boukovalas (Greece) 52 46 52
6 Shashank Jain (India) 39 39 34
7 Rhea Shah (India) 36 31 36
8 Erich Prem (Austria) 35 35 13
9 Freddis Reyes Hernández (Cuba) 35 5 35
10 Alexander Drygalla (Germany) 32 27 32
11 Robert Fountain (Great Britain) 29 28 29
12 Alberto Rodríguez Alonso (Spain) 28 24 28
13 Silke Betten (Germany) 27 18 27
14 Dhruv Shah (India) 24 19 24
15 Pascal Kaul (Switzerland) 22 18 22
16 Adi Tamir (Israel) 18 16 18
17 Leif Silverein (Sweden) 15 13 15
18 Shourya Maheshwari (India) 14 14 14
19 Andrew Robertshaw (Great Britain) 11 11 6
20 Andreas Berger (Germany) 10 10 10
20 Priyanshul Chauriya (India) 10 10 10
22 Maitri Maniar (India) 10 8 10
23 Neelakanth Bhanu Prakash Jonnalagadda (India) 8 4 8
24 Martin Drees (Germany) 7 6 7
24 Christopher Beeg (Germany) 7 6 7
26 George Lane (Great Britain) 6 1 6
27 Kenneth Wilshire (Great Britain) 5 5 4
28 Wenzel Grüß (Germany) 2 1 2
28 Aditya Narayan (India) 2 1 2
30 Pruthvi Mistry (India) 1 1 1
31 Chie Ishikawa  (Japan) 1 0 1
31 Ali Bayat Movahhed (Iran) 1 1 0
31 Hua Wei Chan (Malaysia) 1 1 0
34 Jean Jacques Bruyant (France) 0 0 0
34 Stefan Lehmann (Germany) 0 0 0

Adding ten 10-digit numbers

(10 tasks in 7 minutes, best of two rounds

Rank
 Name
 First Round
 Time (sec.)
 Second Round
 Time (sec.)
1 Granth Thakkar (India) 10 242 9
2 Marc Jornet Sanz (Spain) 10 271 8
3 Rhea Shah (India) 9
10 275
4 Chie Ishikawa  (Japan) 10 280 9
5 Shourya Maheshwari (India) 10 286 8
6 Maitri Maniar (India) 10 371 9
7 Robert Fountain (Great Britain) 9
10 405
8 Shashank Jain (India) 10 420 9
9 Pascal Kaul (Switzerland) 9
9
9 Priyanshul Chauriya (India) 9
9
11 Neelakanth Bhanu Prakash Jonnalagadda (India) 9
8
11 Hua Wei Chan (Malaysia) 8
9
13 Arturo Mendozo Huertas (Peru) 7
9
13 Pruthvi Mistry (India) 9
7
15 Jean Jacques Bruyant (France) 6
9
16 Dhruv Shah (India) 9
5
17 Wenzel Grüß (Germany) 8
8
18 Adi Tamir (Israel) 8
7
18 Freddis Reyes Hernández (Cuba) 7
8
20 Georgi Georgiev (Bulgaria) 5
8
20 Nisha Belani Bhatia (Spain) 5
8
20 Aditya Narayan (India) 5
8
23 Leif Silverein (Sweden) 4
8
24 Christopher Beeg (Germany) 7
6
25 Tina Bauer (Germany) 6
6
26 Nodas Boukovalas (Greece) 5
4
26 Alberto Rodríguez Alonso (Spain) 5
4
26 Jordi Amigó Salvatella (Spain) 4
5
29 Kenneth Wilshire (Great Britain) 5
2
30 George Lane (Great Britain) 2
4
31 Erich Prem (Austria) 1
4
32 Martin Drees (Germany) 3
3
32 Andreas Berger (Germany) 3
3
34 Silke Betten (Germany) 2
3
34 Alexander Drygalla (Germany) 3
2
34 Andrew Robertshaw (Great Britain) 3
2
37 Stefan Lehmann (Germany) 2
2
38 Ali Bayat Movahhed (Iran) 1
1

Multiplying two 8-digit numbers

(10 tasks in 10 minutes, best of two rounds)

Rank
 Name
 First Round
 Time (sec.)
 Second Round
 Time (sec.)
1 Marc Jornet Sanz (Spain) 10 295 6
2 Granth Thakkar (India) 9
10 307
3 Maitri Maniar (India) 9
8
4 Rhea Shah (India) 7
9
5 Shourya Maheshwari (India) 7
8
6 Tina Bauer (Germany) 6
8
7 Chie Ishikawa  (Japan) 7
7
8 Shashank Jain (India) 6
7
9 Georgi Georgiev (Bulgaria) 4
7
9 Aditya Narayan (India) 7
4
11 Leif Silverein (Sweden) 3
7
12 Hua Wei Chan (Malaysia) 6
6
13 Freddis Reyes Hernández (Cuba) 4
6
14 Alberto Rodríguez Alonso (Spain) 3
6
15 Adi Tamir (Israel) 2
5
16 Robert Fountain (Great Britain) 4
4
16 Dhruv Shah (India) 4
4
18 Nodas Boukovalas (Greece) 3
4
18 Andreas Berger (Germany) 3
4
18 Priyanshul Chauriya (India) 3
4
21 Pascal Kaul (Switzerland) 2
4
21 Jordi Amigó Salvatella (Spain) 2
4
23 George Lane (Great Britain) 1
4
23 Andrew Robertshaw (Great Britain) 1
4
23 Pruthvi Mistry (India) 1
4
26 Neelakanth Bhanu Prakash Jonnalagadda (India) 3
2
26 Arturo Mendozo Huertas (Peru) 3
2
28 Alexander Drygalla (Germany) 1
2
29 Martin Drees (Germany) 0
2
30 Stefan Lehmann (Germany) 1
1
31 Nisha Belani Bhatia (Spain) 0
1
31 Silke Betten (Germany) 0
1
31 Kenneth Wilshire (Great Britain) 0
1
34 Wenzel Grüß (Germany) 0
0
34 Ali Bayat Movahhed (Iran) 0
0
34 Christopher Beeg (Germany) 0
0
34 Jean Jacques Bruyant (France) 0



Square Root from 6-digit numbers

(10 tasks in 10 minutes, best of two rounds)

Rank
 Name
 First Round
 Time (sec.)
 Second Round
 Time (sec.)
1 Rhea Shah (India) 10 166 10 135
2 Pascal Kaul (Switzerland) 9
10 474
3 Robert Fountain (Great Britain) 10 516 8
4 Adi Tamir (Israel) 10 539 9
5 Marc Jornet Sanz (Spain) 9
9
5 Granth Thakkar (India) 9
9
7 Shourya Maheshwari (India) 9
6
8 Leif Silverein (Sweden) 8
4
9 Georgi Georgiev (Bulgaria) 0
8
10 Freddis Reyes Hernández (Cuba) 6
7
10 Arturo Mendozo Huertas (Peru) 6
7
12 Tina Bauer (Germany) 6
5
13 Nodas Boukovalas (Greece) 4
6
14 Shashank Jain (India) 4
5
15 Chie Ishikawa  (Japan) 2
5
16 Maitri Maniar (India) 5
1
17 Jordi Amigó Salvatella (Spain) 3
2
18 George Lane (Great Britain) 0
3
19 Alexander Drygalla (Germany) 2
2
19 Dhruv Shah (India) 2
2
21 Silke Betten (Germany) 2
1
21 Kenneth Wilshire (Great Britain) 1
2
21 Christopher Beeg (Germany) 2
1
24 Ali Bayat Movahhed (Iran) 0
2
24 Andreas Berger (Germany) 2
0
24 Andrew Robertshaw (Great Britain) 0
2
24 Priyanshul Chauriya (India) 0
2
28 Martin Drees (Germany) 0
1
28 Hua Wei Chan (Malaysia) 0
1
28 Alberto Rodríguez Alonso (Spain) 0
1
28 Erich Prem (Austria)

1
32 Wenzel Grüß (Germany) 0
0
32 Neelakanth Bhanu Prakash Jonnalagadda (India) 0
0
32 Jean Jacques Bruyant (France) 0
0
32 Stefan Lehmann (Germany) 0
0
32 Aditya Narayan (India) 0
0
32 Pruthvi Mistry (India) 0
0


The Tasks

Here are the tasks that had to be solved by the participants.

CONTENTS: Mental Calculation World Cup Web Site | Maths Links
WORLD CUP 2014:  General Information | Results| Math Adventure Land Dresden