CHESSeCLOCK is a chess clock software which can be used on PCs and Laptops where the mouse left/right buttons function as time switch buttons. In addition to it's timer functionality CHESSeCLOCK makes possible to write your games without using paper and pen. You can archive or adjourn your games with Save/Load options. To analyze your games played with your human opponents on a real chess set, simply load them to your favorite chess software which uses PGN file format (Portable Game Notation). There are lot more coming with new Electronic Chess Clock concept such as various sound effects for button push down or flag drop down events and printing game move list.