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Episode ZDS6
Episode ZDS6 was broadcast on 11 January 2021, as the second half of the round of 16 of ZoomDown Numberists 2.
The show featured four 9 round games in a special numbers showdown: four normal numbers games, four variant numbers games, and an "arithnundrum".
The assistants were George Armstrong and Fiona Titcombe.
The variants selected are shown in the game recaps.
Contents
Game 1
Noel McIlvenny played Jon O'Neill, with Jon O'Neill winning 56 – 27.
Rnd | Selection | Noel McIlvenny | Score | Jon O'Neill | Others | Max. |
---|---|---|---|---|---|---|
1 | 100 75 50 25 2 9 → 772 | 773
75 × 9 + 100 − 2 |
7 – 7 | 773
75 × 9 + 100 − 2 |
TB: 772 = ((50 + 9) × 2 + 75) × 100 ÷ 25 |
10 |
2 | 100 75 50 25 2 3 → 336 | 336
(50 − 2) × (100 + 75) ÷ 25 |
17 – 17 | 336
(50 − 2) × (100 + 75) ÷ 25 |
|
20 |
3 | Hyper Nasty 62 1 10 5 6 7 3 3 → 8230 |
8230 ☓ | 17 – 27 | 8230
((7 + 6) × 62 + 5 × 3 + 3 − 1) × 10 |
|
30 |
4 | 7 8 9 1 1 7 → 203 | 203 ☓ | 17 – 34 | 205
8 ÷ (1 + 1) × 7 × 7 + 9 |
EM: 203 = (9 × 8 ÷ (1 + 1) − 7) × 7 |
40 |
5 | 7 2 7 9 3 4 → 913 | 914 ☓ | 17 – 34 | 909 ☓ |
PA: 913 = (7 × 2 × 7 + 3) × 9 + 4 |
50 |
6 | Hyper Nasty 187 137 87 37 8 10 5 5 → 4315 |
— | 17 – 39 | 4321
(137 − 10 − 5 − 5) × 37 − 8 |
|
60 |
7 | Hyper 200 150 100 50 9 10 6 2 → 6962 |
6962
((200 + 150) × 10 + 6) × 2 − 50 |
27 – 39 | 6956 |
|
70 |
8 | Nasty 87 62 37 12 1 4 → 371 |
373 | 27 – 46 | 372
87 × 4 + 62 − 37 − 1 |
EM: 371 = 62 × 4 + 87 + 37 − 1 |
80 |
9 | (19 × (43 × 11 + 2)) ÷ 25 → (361) | 27 – 56 | 361 (8 seconds) |
|
90 |
Game 2
Elliott Mellor played Vincent Barcet, with Elliott Mellor winning 61 – 34.
Rnd | Selection | Elliott Mellor | Score | Vincent Barcet | Others | Max. |
---|---|---|---|---|---|---|
1 | 1 2 5 9 9 3 → 209 | 209
(9 + 9 + 1) × (3 × 2 + 5) |
10 – 0 | — |
|
10 |
2 | 9 8 1 5 4 3 → 786 | 787
(3 × 4 − 1) × 8 × 9 − 5 |
17 – 7 | 787
(3 × 4 − 1) × 8 × 9 − 5 |
|
17 |
3 | Spoilage 954 896 762 672 657 312 3 → 6039 |
— | 17 – 7 | — |
DR: 6039 = (954 + 762 + 657 + 312 − 672) × 3 |
27 |
4 | 75 50 25 6 1 3 → 786 | 787
(75 + 50 + 3 − 1) × 6 + 25 |
24 – 14 | 787
(75 + 50 + 3 − 1) × 6 + 25 |
|
34 |
5 | 100 75 50 25 1 6 → 249 | 249
25 × 6 + 100 − 1 |
34 – 24 | 249
50 × (6 − 1) − 100 ÷ (75 + 25) |
|
44 |
6 | Duckdown 100 75 50 5 5 10 4 → 1731 |
1730
(100 + 75) × 10 − 5 × 4 |
41 – 24 | 1731 ☓ |
|
51 |
7 | Hyper 200 25 10 4 10 7 1 2 → 7289 |
7289 ☓ | 41 – 24 | — |
CB: 7289 = (200 + 2) × (25 + 10 + 1) + 10 + 7 |
61 |
8 | Nasty 62 12 10 4 7 2 → 678 |
678
(62 + 7) × 10 − 12 |
51 – 34 | 678
(62 + 7) × 10 − 12 |
|
71 |
9 | 502 − 432 → (651) | 651 (2 seconds) |
61 – 34 |
|
81 |
Game 3
Eoin Monaghan played Chris Butler, with Eoin Monaghan winning 70 – 57.
Rnd | Selection | Eoin Monaghan | Score | Chris Butler | Others | Max. |
---|---|---|---|---|---|---|
1 | 25 1 4 7 7 9 → 859 | 859
(7 × 4 + 7 − 1) × 25 + 9 |
10 – 10 | 859
(4 + 1) × 7 × 25 − 9 − 7 |
|
10 |
2 | 100 75 25 4 6 8 → 145 | 145
100 + 8 × 6 − 75 ÷ 25 |
20 – 10 | 146 |
|
20 |
3 | Nasty 87 62 6 9 3 5 → 970 |
971 ☓ | 20 – 10 | 971 ☓ |
SR: 970 = (62 + 3) × (9 + 6) − 5 |
30 |
4 | 100 75 50 25 10 8 → 689 | 689
(75 + 10 − 100 ÷ 50) × 8 + 25 |
30 – 20 | 689
(75 + 10 − 100 ÷ 50) × 8 + 25 |
|
40 |
5 | 10 5 6 1 6 8 → 324 | 324
(8 × 10 + 1) × (5 − 6 / 6) |
40 – 30 | 324
(8 + 1) × 6 × 6 |
|
50 |
6 | Hyper 200 150 100 75 50 25 3 4 → 2326 |
2326
(200 × 4 × 3) − 75 + (150 − 100) ÷ 50 |
50 – 40 | 2326
(25 × 100 − 150) − 200 ÷ (75 − 50) × 3 |
|
60 |
7 | Hyper 200 50 1 8 1 8 10 7 → 1677 |
1677
(8 × 200) + (10 + 1) × 7 |
60 – 50 | 1677
(8 × 200) + (10 + 1) × 7 |
|
70 |
8 | Nasty 87 62 12 5 2 2 → 827 |
827 ☓ | 60 – 57 | 825
(87 + 62 + 12 + 2 + 2) × 5 |
PA: 827 = 62 × 12 + 87 − 2 − 2 |
80 |
9 | √(25 × (75 − 8) + 6) → (41) | 41 (26 seconds) |
70 – 57 | 19 ☓ (23 seconds) |
|
90 |
Game 4
Stephen Read played John Ashcroft, with John Ashcroft winning 77 – 67.
Rnd | Selection | Stephen Read | Score | John Ashcroft | Others | Max. |
---|---|---|---|---|---|---|
1 | 100 50 25 1 5 3 → 749 | 749
(100 + 50) × 5 − 1 |
10 – 10 | 749
(100 + 50) × 5 − 1 |
|
10 |
2 | 10 8 2 6 7 1 → 295 | 295
(8 + 7) × 2 × 10 − (6 − 1) |
20 – 20 | 295
(6 × 10 − 1) × (7 − 2) |
|
20 |
3 | Hyper Nasty 187 87 37 7 8 3 3 9 → 7203 |
7203
(187 + 7) × 37 + ((87 − (9 + 3)) ÷ 3) |
30 – 30 | 7203
(187 − 87) × 9 × 8 + 3 |
|
30 |
4 | 100 75 50 25 4 1 → 126 | 126
100 + 25 + 1 |
40 – 40 | 126
75 + 50 + 1 |
|
40 |
5 | 100 75 50 25 8 4 → 466 | 467
100 × 4 + 75 − 8 |
47 – 47 | 467
100 × 4 + 75 − 8 |
EM: 466 = (75 − 4) × 8 − 100 − 50 ÷ 25 |
50 |
6 | Hyper Nasty 12 10 4 6 2 8 1 3 → 9355 |
9355
(8 + 4 + 1) × 6 × 12 × 10 − 3 − 2 |
57 – 57 | 9355
(8 + 4 + 1) × 6 × 12 × 10 − 3 − 2 |
|
60 |
7 | Hyper 200 150 100 50 25 4 4 5 → 9071 |
9071
(50 − 5) × 200 + 100 − 25 − 4 |
67 – 67 | 9071
(50 − 5) × 200 + 100 − 25 − 4 |
|
70 |
8 | Spoilage 881 765 404 388 4 1 10 → 7359 |
— | 67 – 67 | — |
TB: 7359 = (404 × (4 − 1) − 388) × 10 − 881 |
80 |
9 | 12 × (34 + 56 + 78 + 90) → (3096) | 67 – 77 | 3096 (20 seconds) |
|
90 |