Anyone can teach me how to get checkmated by Zach bot? It's so hard. Why do some people actually manage to have those creative ideas to be checkmated while prevent the bot from preventing your plan?

Game #4 Difficulty: ♖ Rook Objective: Find the 3 truths. There are 9 options. 1. A position with king and bishop versus king and knight is always a draw with perfect play. 2. An en passant capture can reveal a discovered check. 3. It is possible for a legal chess position to contain nine white knights. 4. If your opponent's flag falls before they complete an illegal move, you win on time. 5. Castling increases your move count for the fifty-move rule. 6. A pawn can simultaneously attack two different pieces. 7. If a player has a forced mate, they may claim victory before playing the mating sequence. 8. A stalemated player who is ahead in material wins the game. 9. A king can legally move next to the opposing king if the square is otherwise safe. There are exactly 3 truths.

what did i miss, what happened here?