Chess:

• CB-Emu & CB-EmuX 2018   (NEW!)
  Emulator for more than 150 chess computers (based on MAME/MESS)
  Download from my private cloud folder CB-Emu
  

• Chess-DOS-VirtualMachine   
  Virtual DOS-Machine with the 10 most important old DOS chess programs
  Download from my private cloud folder DOS-Chess
  

• ChestUCI v5.2
  Probably the world´s best and fastest matesolver ( Chest-Homepage )
• PopeyeUCI v1.7
  Special matesolver for non-orthodox problems ( Popeye-Homepage )
• MaterUCI v3.2
  Simple matesolver (modified & improved version of 'Mater' by V.Albillo)

• ChestUCI-DB
  Most recent version of ChestUCI-database (6620 mate problems)

Astronomy:

• Somofi v8.0
  My original Solar/Lunar-Eclipse program (German, DOS-version!)
• WinSomofi v8.1
  Improved current Windows version of Somofi (English, 6.5MB!)

Mathematics:

• TVM-Calc Pro 2015
  The ultimate program for Time Value of Money & CashFlow calculations!
• LinOpt v6.0
  Linear Optimization program (Simplex-Method, with multiple solutions!)
• DateCalc v1.2
  Tool for Date calculations (Date/JDN, Date infos, Days between Dates ...)