given that I assume money is no object when taking a $1800 CPU, here's what I suggest:
PCPartPicker Part List
CPU: AMD Threadripper 3970X 3.7 GHz 32-Core Processor ($1899.99 @ Amazon)
CPU Cooler: Noctua NH-U14S TR4-SP3 82.52 CFM CPU Cooler ($79.90 @ Amazon)
Motherboard: Gigabyte TRX40 AORUS PRO WIFI ATX sTRX4 Motherboard ($399.00 @ B&H)
Memory: G.Skill Trident Z RGB 256 GB (8 x 32 GB) DDR4-3200 CL16 Memory ($999.99 @ Newegg)
Storage: Intel 660p Series 2.048 TB M.2-2280 NVME Solid State Drive ($249.99 @ B&H)
Storage: Intel 660p Series 2.048 TB M.2-2280 NVME Solid State Drive ($249.99 @ B&H)
Video Card: Asus GeForce GTX 1650 4 GB Phoenix OC Video Card ($144.99 @ B&H)
Case: Fractal Design Focus G ATX Mid Tower Case ($63.89 @ B&H)
Power Supply: SeaSonic FOCUS Plus Gold 1000 W 80+ Gold Certified Fully Modular ATX Power Supply ($169.99 @ B&H)
Operating System: Microsoft Windows 10 Pro OEM 64-bit ($142.88 @ Other World Computing)
Total: $4400.61
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2020-07-16 16:26 EDT-0400
I maxxed out the RAM and include 2 NVMe 2TB SSDs. Case is simply a random nice model. As displaying a chess board isn't a graphically intensive option, I assumed you only need a basic GPU, so a GTX 1650 will suffice.
The 256 GB RAM and Threadripper CPU are most of the $4400 cost.