I started watching some 15 second games between two players, no per-move extra time (no fischer clock). But when I opened the clock on Windows I saw these games take like 48-50 seconds to complete.
Instead of 15 as would be expected. Why? They are almost 25-second games then, which is a huge difference...
Instead of 15 as would be expected. Why? They are almost 25-second games then, which is a huge difference...