You are a friend of Fyodor. You notice that he's been looking very tired lately and decide to ask him about it.

Instead of answering, Fedor invites you to his house. Once in a cramped two-room apartment, you can't believe your eyes! There are 8 other people living here who, if you don't look closely, look like Fedya.

You will soon begin to get closer to them. Out of all this crowd, you single out the most calm and non–confrontational clone, Kuromaku.

And so, sitting at Fedya's house, you play chess with him. Kuromaku looked thoughtful and focused. This clone is a master chess player! You turn away for a moment, because you hear that something has crashed again...

— Checkmate, — Kuromaku says, smiling maliciously.

You look at the board and you can swear to yourself that someone swapped a couple of pieces...