Marks and timing for Challenge 6B

As usual a decreasing marks scheme for Challenge 6. Time periods are the same as for Challenge 5 (half day) but each day is worth two marks, so a fast response in this one could move you above some of your competitors. Speed marks for Challenge 6 part B Before Midnight 15th Nov: 54 marks Before 1pm 16th Nov: 52 marks Before Midnight 16th Nov: 50 marks Before 1pm 17th Nov: 48 marks Before Midnight 17th Nov: 46 marks Before 1pm 18th Nov: 44 marks Before Midnight 18th Nov:42 marks Before 1pm 19th Nov: 40 marks Before Midnight 19th Nov: 38 marks Before 1pm 20th Nov: 36 marks Before Midnight 20th Nov: 34 marks ... Before 1pm 21st Nov: 32 marks Before Midnight 21st Nov: 30 marks Before 1pm 22nd Nov: 28 marks Before Midnight 22nd Nov: 26 marks Before 1pm 23rd Nov: 24 marks Before Midnight 23rd Nov: 22 marks Before 1pm 24th Nov: 20 marks Before Midnight 24th Nov: 18 marks Before 1pm 25th Nov: 16 marks Before Midnight 25th Nov: 14 marks Before 1pm 26th Nov: 12 marks Before Midnight 26th Nov: 10 marks Before 1pm 27th Nov: 8 marks Before Midnight 27th Nov: 6 marks Before 1pm 28th Nov: 4 marks Before Midnight 28th Nov: 2 marks