current picks below are good
-2.6 = Landy1264
-2.5 = pusttiu
-2.4 = HerbPean
-2.1 = buyandhold
-2.0 = HagssFIN
-1.3 =VRobb
-1.2 =philipma1957
-1.0 =vapourminer
-0.5 = Philopolymath correction done
-0.2 = Tomintx
1.2 = generalt
1.7 = buwaytress
2.0 = leowonderful
3.2 = Psi
4.5=abeandund
New contest picks to end at block 516.Experimental Image Contribution:

Let's see how this holds up over time.
If it works well enough, feel free to quote it Phil.
gray line on chart is deep in negative territory
https://bitcoinwisdom.com/assets/difficulty/bitcoin-hash_rate.png?1506461403so picks are closed now
and all of us are too high
https://bitcoinwisdom.com/bitcoin/difficultyBitcoin Difficulty: 1,103,400,932,964
Estimated Next Difficulty: 1,049,092,884,488 (-4.92%)
Adjust time: After 465 Blocks, About 3.5 days
Hashrate(?): 7,242,971,777 GH/s
Block Generation Time(?):
1 block: 10.8 minutes
3 blocks: 32.5 minutes
6 blocks: 1.1 hours
Updated: 17:30 (4.5 minutes ago)
we dropped a bit
Bitcoin Difficulty: 1,103,400,932,964
Estimated Next Difficulty: 1,057,789,095,435 (-4.13%)
Adjust time: After 248 Blocks, About 1.8 days
Hashrate(?): 8,153,311,803 GH/s
Block Generation Time(?):
1 block: 10.4 minutes
3 blocks: 31.2 minutes
6 blocks: 1.0 hours
Updated: 23:5 (2.0 minutes ago)