Is this a good build?

Solution
Your build is good, I just made a few adjustments, so that you have a better gaming experience.
PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-6500 3.2GHz Quad-Core Processor (€201.51 @ Mindfactory)
Motherboard: Asus Asus H110M-A Micro ATX LGA1151 Motherboard (€66.49 @ Amazon Deutschland)
Memory: Kingston HyperX Fury Black 8GB (2 x 4GB) DDR4-2133 Memory (€35.90 @ Amazon Deutschland)
Storage: Sandisk Z400s 256GB 2.5" Solid State Drive (€69.26 @ Mindfactory)
Video Card: Zotac GeForce GTX 970 4GB Video Card (€285.57 @ Mindfactory)
Case: Phanteks Enthoo Pro ATX Full Tower Case (€107.84 @ Mindfactory)...
Your build is good, I just made a few adjustments, so that you have a better gaming experience.
PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-6500 3.2GHz Quad-Core Processor (€201.51 @ Mindfactory)
Motherboard: Asus Asus H110M-A Micro ATX LGA1151 Motherboard (€66.49 @ Amazon Deutschland)
Memory: Kingston HyperX Fury Black 8GB (2 x 4GB) DDR4-2133 Memory (€35.90 @ Amazon Deutschland)
Storage: Sandisk Z400s 256GB 2.5" Solid State Drive (€69.26 @ Mindfactory)
Video Card: Zotac GeForce GTX 970 4GB Video Card (€285.57 @ Mindfactory)
Case: Phanteks Enthoo Pro ATX Full Tower Case (€107.84 @ Mindfactory)
Power Supply: XFX TS 550W 80+ Gold Certified ATX Power Supply (€72.79 @ Mindfactory)
Total: €839.36
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-05-28 23:06 CEST+0200
16GB of Ram is overkill for gaming, you won't see any benefits from having it in games.
I changed the motherboard to a better Asus model.
Changed the PSU to a better quality model.
 
Solution
PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-6500 3.2GHz Quad-Core Processor (€201.51 @ Mindfactory)
Motherboard: ASRock ASRock H170A-X1 ATX LGA1151 Motherboard (€85.45 @ Amazon Deutschland)
Memory: G.Skill NT Series 8GB (2 x 4GB) DDR4-2133 Memory (€36.71 @ Amazon Deutschland)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (€51.99 @ Amazon Deutschland)
Video Card: Zotac GeForce GTX 970 4GB Video Card (€285.57 @ Mindfactory)
Case: Phanteks Enthoo Pro ATX Full Tower Case (€107.84 @ Mindfactory)
Power Supply: SeaSonic 520W 80+ Bronze Certified Fully-Modular ATX Power Supply (€77.76 @ Amazon Deutschland)
Total: €846.83
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-05-28 23:14 CEST+0200

Better motherboard, much more storage space, and different (just as good) power supply.