Mental Calculation World Cup 2012MCWC 2012

Gießen, Germany, 29 September - 1 October 2012

CONTENTS: Mental Calculation World Cup Web Site | Maths Links
WORLD CUP 2012:  General Information | Results | Mathematikum




Combination

Mental Calculation World Cup Winners
                          2012
from left to right: Albrecht Beutelspacher (director at Mathematikum), Hua Wei Chan, Naofumi Ogasawara, Jan van Koningsveld, Ralf Laue (main referee)

Rank
Name Score
1 Naofumi Ogasawara (Japan) 828,15
2 Hua Wei Chan (Malaysia) 523,83
3 Jan van Koningsveld (Germany) 513,98
4 Parashkumar Shah (India) 512,34
5 Andreas Berger (Germany) 484,29
6 Hakan Gürbaslar (Turkey) 473,73
7 George Lane (Great Britain) 473,16
8 Alain Bastian (Luxembourg) 466,46
9 Andrew Robertshaw (Great Britain) 443,62
10 Amit Garg (India) 430,92
11 Freddis Reyes Hernández (Cuba) 414,07
12 Willem Bouman (Netherlands) 406,76
13 Robert Fountain (Great Britain) 404,00
14 Yusnier Viera (Cuba) 388,29
15 Nodas Boukovalas (Greece) 371,81
16 Leif Carlsson (Sweden) 341,87
17 Tina Bauer (Germany) 329,22
18 Daniel Timms (Great Britain) 291,21
19 Alberto Rodríguez (Spain) 250,47
20 Ali Bayat Movahhed (Iran) 222,62
21 Tomas Piliciauskas (Lithuania) 184,46
22 Jordi Amigó Salvatella (Spain) 173,46
23 Johannes Zhou (Germany) 168,71
24 Silke Betten (Germany) 147,98
25 Myagmarsuren Tuuruul (Mongolia) 136,38
26 Christopher T. Beeg (Germany)* 98,49
27 Khatanbaatar Khandsuren (Mongolia) 97,47
28 Pruthvi Mistry (India) 71,00
29 Matthias Kesselschläger (Germany)* 54,39
30 Bhavani Konduru (India) 49,18
31 Edward Diaz (Peru)* 19,81
32 Stefan Murr (Germany) 10,42
*: Did not take part in all single events
 

Most Versatile Calculator

(score from the six surprise tasks)


Name
Score
1 Naofumi Ogasawara (Japan)
500,00
2 George Lane (Great Britain)
352,39
3 Andrew Robertshaw (Great Britain)
350,41
4 Hua Wei Chan (Malaysia)
334,20
5 Andreas Berger (Germany)
312,71
6 Amit Garg (India)
286,48
7 Willem Bouman (Netherlands)
250,07
8 Parashkumar Shah (India)
213,91
9 Hakan Gürbaslar (Turkey)
212,90
10 Nodas Boukovalas (Greece)
187,43
11 Alain Bastian (Luxembourg)
180,80
12 Jan van Koningsveld (Germany)
174,48
13 Yusnier Viera (Cuba)
167,25
14 Leif Carlsson (Sweden)
144,80
15 Ali Bayat Movahhed (Iran)
140,87
16 Daniel Timms (Great Britain)
137,00
17 Robert Fountain (Great Britain)
130,52
18 Freddis Reyes Hernández (Cuba)
116,33
19 Jordi Amigó Salvatella (Spain)
106,67
20 Alberto Rodríguez (Spain)

102,48
21 Tomas Piliciauskas (Lithuania)
69,73
22 Tina Bauer (Germany)
55,97
23 Silke Betten (Germany)
53,85
24 Johannes Zhou (Germany)
52,48
25 Christopher T. Beeg (Germany)
30,64
26 Pruthvi Mistry (India)
26,47
27 Stefan Murr (Germany)
6,67
28
Edward Diaz (Peru)
3,23
29
Myagmarsuren Tuuruul (Mongolia)
0,00
30
Bhavani Konduru (India)
0,00

Calendar Calculations

(one minute, dates from the years 1600-2100, best of two rounds)


Rank Name Score First Round Second Round
1 Myagmarsuren Tuuruul (Mongolia) 57 57 42
2 Yusnier Viera (Cuba) 52 52 22
3 Tina Bauer (Germany) 50 33 50
4 Jan van Koningsveld (Germany) 43 21 43
5 Johannes Zhou (Germany) 42 28 42
6 Alain Bastian (Luxembourg) 40 34 40
6 Khatanbaatar Khandsuren (Mongolia) 40 34 40
8 Nodas Boukovalas (Greece) 36 36 33
9 Matthias Kesselschläger (Germany) 31 31 31
10 Robert Fountain (Great Britain) 31 24 31
11 Parashkumar Shah (India) 27 23 27
12 Alberto Rodríguez (Spain) 26 21 26
13 Daniel Timms (Great Britain) 18 18 14
14 Hakan Gürbaslar (Turkey) 17 17 15
15 Silke Betten (Germany) 14 4 14
16 Freddis Reyes Hernández (Cuba) 13 3 13
17 Leif Carlsson (Sweden) 10 9 10
18 Andrew Robertshaw (Great Britain) 10 7 10
19 Bhavani Konduru (India) 10 10 1
20 Andreas Berger (Germany) 9 9 8
21 Pruthvi Mistry (India) 9 5 9
22 Tomas Piliciauskas (Lithuania) 8 6 8
23 Willem Bouman (Netherlands) 6 5 6
24 Amit Garg (India) 5 5 5
25 George Lane (Great Britain) 2 2 0
26 Ali Bayat Movahhed (Iran) 1 1 0
26 Stefan Murr (Germany) 1 0 1
28 Hua Wei Chan (Malaysia) 0 0 0
28 Naofumi Ogasawara (Japan) 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 Naofumi Ogasawara (Japan) 10 191 9
2 Robert Fountain (Great Britain) 10 415 7
3 Hua Wei Chan (Malaysia) 7
10 420
4 Freddis Reyes Hernández (Cuba) 9
8
5 Jan van Koningsveld (Germany) 7
9
5 Hakan Gürbaslar (Turkey) 7
9
5 Leif Carlsson (Sweden) 7
9
5 Parashkumar Shah (India) 7
9
9 Tina Bauer (Germany) 5
9
10 Alain Bastian (Luxembourg) 7
8
11 Myagmarsuren Tuuruul (Mongolia) 6
8
12 Christopher T. Beeg (Germany) 6
7
13 Alberto Rodríguez (Spain) 7
4
14 Khatanbaatar Khandsuren (Mongolia) 6
5
15 Yusnier Viera (Cuba) 5
5
16 Pruthvi Mistry (India) 4
5
17 Andreas Berger (Germany) 3
5
18 Jordi Amigó Salvatella (Spain) 2
5
19 George Lane (Great Britain) 3
4
20 Nodas Boukovalas (Greece) 2
4
21 Willem Bouman (Netherlands) 3
3
21 Tomas Piliciauskas (Lithuania) 3
3
23 Andrew Robertshaw (Great Britain) 3
2
24 Amit Garg (India) 3
1
25 Bhavani Konduru (India) 0
3
26 Daniel Timms (Great Britain) 2
2
27 Johannes Zhou (Germany) 1
1
27 Edward Diaz (Peru) 1
1
29 Silke Betten (Germany) 0
1
30 Ali Bayat Movahhed (Iran) 0
0
30 Stefan Murr (Germany) 0
0

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 Freddis Reyes Hernández (Cuba) 10 361 6
2 Hua Wei Chan (Malaysia) 5
9
3 Naofumi Ogasawara (Japan) 9
4
4 Jan van Koningsveld (Germany) 6
8
4 Parashkumar Shah (India) 8
6
6 Tina Bauer (Germany) 6
6
7 Alain Bastian (Luxembourg) 5
6
8 Leif Carlsson (Sweden) 4
6
9 Hakan Gürbaslar (Turkey) 3
5
10 Robert Fountain (Great Britain) 4
3
11 George Lane (Great Britain) 2
4
12 Yusnier Viera (Cuba) 1
4
13 Andreas Berger (Germany) 3
3
14 Alberto Rodríguez (Spain) 2
3
15 Jordi Amigó Salvatella (Spain) 1
3
15 Tomas Piliciauskas (Lithuania) 1
3
17 Andrew Robertshaw (Great Britain) 1
2
17 Nodas Boukovalas (Greece) 2
1
19 Amit Garg (India) 2
0
19 Daniel Timms (Great Britain) 0
2
19 Edward Diaz (Peru) 0
2
22 Willem Bouman (Netherlands) 1
1
23 Silke Betten (Germany) 1
0
23 Christopher T. Beeg (Germany) 0
1
25 Myagmarsuren Tuuruul (Mongolia) 0
0

25 Ali Bayat Movahhed (Iran) 0
0
25 Johannes Zhou (Germany) 0
0
25 Bhavani Konduru (India) 0
0
25 Pruthvi Mistry (India) 0
0
25 Stefan Murr (Germany) 0
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 Naofumi Ogasawara (Japan) 8
8
2 Parashkumar Shah (India) 8
7
3 Hakan Gürbaslar (Turkey) 5
8
4 Freddis Reyes Hernández (Cuba) 8
3
5 Jan van Koningsveld (Germany) 6
6
6 Robert Fountain (Great Britain) 6
5
7 Alain Bastian (Luxembourg) 6
4
8 Leif Carlsson (Sweden) 5
5
9 Tina Bauer (Germany) 5
4
10 Willem Bouman (Netherlands) 5
1
11 Amit Garg (India) 4
4
12 Hua Wei Chan (Malaysia) 3
4
13 Daniel Timms (Great Britain) 3
3
14 Yusnier Viera (Cuba) 2
2
14 Nodas Boukovalas (Greece) 2
2
16 Silke Betten (Germany) 2
1
16 Andreas Berger (Germany) 1
2
18 George Lane (Great Britain) 0
2
18 Tomas Piliciauskas (Lithuania) 2
0
20 Alberto Rodríguez (Spain) 0
1
21 Andrew Robertshaw (Great Britain) 0
0
21 Jordi Amigó Salvatella (Spain) 0
0
21 Ali Bayat Movahhed (Iran) 0
0
21 Johannes Zhou (Germany) 0
0
21 Bhavani Konduru (India) 0
0
21 Pruthvi Mistry (India) 0
0
21 Stefan Murr (Germany) 0
0


Extracting Cube Roots (Interactive Intelligence Trophy)

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

Rank Name Score First Round Second Round
Correct Digits Correct Digits
1 Jan van Koningsveld (Germany) 50 4 4 3 5 3 3 5 7 6 4 6 7 5 4 4 5 6 4 4 5
2 Andreas Berger (Germany) 45 3 4 5 3 3 3 3 7 7 3 5 6 3 4 6 3 3 5 7 3
3 Ali Bayat Movahhed (Iran) 40 4 4 4 3 4 4 5 4 5 3 4 5 4 3 4 4 3 4 3 3
4 Robert Fountain (Great Britain) 37 5 3 3 4 4 3 4 5 3 3 4 3 4 2 4 4 3 1 5 4
5 Naofumi Ogasawara (Japan) 37 0 0 0 0 0 0 0 0 0 0 4 4 3 3 4 4 5 4 3 3
6 Alain Bastian (Luxembourg) 34 3 3 4 3 3 2 4 4 2 1 4 3 5 3 3 2 3 2 4 5
7 Nodas Boukovalas (Greece) 33 2 3 3 2 2 2 3 6 3 3 3 3 5 3 2 4 3 3 4 3
8 Daniel Timms (Great Britain) 32 2 5 6 2 2 3 3 3 4 2 4 3 2 3 1 1 4 3 4 4
9 Willem Bouman (Netherlands) 32 4 6 4 5 3 1 3 4 1 1 3 2 4 3 3 4 2 3 2 2
10 Parashkumar Shah (India) 31 4 3 4 2 1 2 4 4 3 4 2 3 4 3 1 3 3 1 1 3
11 Amit Garg (India) 30 3 2 4 3 2 4 3 4 3 2 5 4 2 1 2 2 2 3 5 3
12 Hakan Gürbaslar (Turkey) 30 3 1 4 2 2 3 4 3 3 3 3 3 2 3 2 2 4 3 4 4
13 Yusnier Viera (Cuba) 29 3 1 4 2 2 2 2 3 3 4 4 1 2 3 3 4 4 2 3 3
14 George Lane (Great Britain) 25 2 2 3 1 3 1 4 1 2 1 4 5 0 3 0 0 4 2 3 4
14 Andrew Robertshaw (Great Britain) 25 2 2 2 2 2 2 2 2 2 2 4 5 4 1 2 2 2 2 2 1
16 Tina Bauer (Germany) 23 4 1 5 3 2 1 3 1 2 1 4 3 2 1 3 2 1 2 2 2
17 Tomas Piliciauskas (Lithuania) 22 2 2 3 2 2 2 2 1 1 1 3 2 2 2 2 2 2 2 2 3
18 Alberto Rodríguez (Spain) 20 2 1 4 2 2 2 2 1 2 2 5 1 1 2 2 1 1 3 2 2
19 Hua Wei Chan (Malaysia) 20 2 1 3 3 1 3 2 2 2 1 1 2 2 2 2 2 2 1 2 1
19 Leif Carlsson (Sweden) 20 2 1 1 2 2 1 3 2 2 1 3 2 1 2 2 1 2 1 3 3
21 Johannes Zhou (Germany) 19 2 2 2 3 2 2 1 2 2 1 2 2 1 1 1 1 2 2 1 1
22 Silke Betten (Germany) 17 2 2 2 1 2 2 1 2 2 1 2 1 2 1 1 1 1 2 2 2
22 Freddis Reyes Hernández (Cuba) 17 1 1 2 1 3 1 1 1 1 3 3 2 3 2 1 1 1 1 1 2
24 Christopher T. Beeg (Germany) 15 1 1 0 0 0 0 0 0 1 0 1 1 2 1 2 2 2 1 1 2
25 Jordi Amigó Salvatella (Spain) 13 - - - - - - - - - - 2 1 1 1 1 1 1 1 2 2
26 Bhavani Konduru (India) 9 1 1 0 1 1 1 1 1 1 1 1 1 1 1 2 1 1 0 0 0
27 Pruthvi Mistry (India) 3 1 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0
28 Stefan Murr (Germany) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0

Memoriad Trophy

The Memoriad Trophy was awarded for the calculator with the best combined results in the "standard" tasks (calendar, addition, multiplication, square roots).

Rank Name Score Calendar
Addition
Multiplication
Square Roots
1 Freddis Reyes Hernández (Cuba) 263,74 22,81 40,93 100,00 100,00
2 Naofumi Ogasawara (Japan) 254,15 0,00 100,00 54,15 100,00
3 Jan van Koningsveld (Germany) 239,50 75,44 40,93 48,13 75,00
4 Parashkumar Shah (India) 236,43 47,37 40,93 48,13 100,00
5 Tina Bauer (Germany) 227,25 87,72 40,93 36,10 62,50
6 Alain Bastian (Luxembourg) 217,66 70,18 36,38 36,10 75,00
7 Hakan Gürbaslar (Turkey) 200,83 29,82 40,93 30,08 100,00
8 Robert Fountain (Great Britain) 199,48 54,39 46,02 24,07 75,00
9 Yusnier Viera (Cuba) 163,04 91,23 22,74 24,07 25,00
10 Leif Carlsson (Sweden) 157,07 17,54 40,93 36,10 62,50
11 Hua Wei Chan (Malaysia) 149,63 0,00 45,48 54,15 50,00
12 Myagmarsuren Tuuruul (Mongolia) 136,38 100,00 36,38 0,00 0,00
13 Nodas Boukovalas (Greece) 118,38 63,16 18,19 12,03 25,00
14 Alberto Rodríguez (Spain) 107,99 45,61 31,83 18,05 12,50
15 Khatanbaatar Khandsuren (Mongolia) 97,47 70,18 27,29 0,00 0,00
16 Willem Bouman (Netherlands) 92,69 10,53 13,64 6,02 62,50
17 Daniel Timms (Great Britain) 90,21 31,58 9,10 12,03 37,50
18 Amit Garg (India) 84,44 8,77 13,64 12,03 50,00
19 Andreas Berger (Germany) 81,58 15,79 22,74 18,05 25,00
20 Johannes Zhou (Germany) 78,23 73,68 4,55 0,00 0,00
21 George Lane (Great Britain) 70,77 3,51 18,19 24,07 25,00
22 Tomas Piliciauskas (Lithuania) 70,73 14,04 13,64 18,05 25,00
23 Silke Betten (Germany) 60,13 24,56 4,55 6,02 25,00
24 Matthias Kesselschläger (Germany) 54,39 54,39 0,00 0,00 0,00
25 Andrew Robertshaw (Great Britain) 43,21 17,54 13,64 12,03 0,00
26 Jordi Amigó Salvatella (Spain) 40,79 0,00 22,74 18,05 0,00
27 Pruthvi Mistry (India) 38,53 15,79 22,74 0,00 0,00
28 Christopher T. Beeg (Germany) 37,85 0,00 31,83 6,02 0,00
29 Bhavani Konduru (India) 31,18 17,54 13,64 0,00 0,00
30 Edward Diaz (Peru) 16,58 0,00 4,55 12,03 0,00
31 Ali Bayat Movahhed (Iran) 1,75 1,75 0,00 0,00 0,00
31 Stefan Murr (Germany) 1,75 1,75 0,00 0,00 0,00

The Task Sheets

Example tasks can be found here.

CONTENTS: Mental Calculation World Cup Web Site | Maths Links
WORLD CUP 2012:  General Information | Results | Mathematikum