Jean Dufresne lost this game — and the engine says it slipped away on move 19 (Qxf3). They think you'd have lost it too. Take the board at that exact moment and prove them wrong.
On move 19, Dufresne played Qxf3, capturing what looked like a free piece—but walked straight into a completely winning attack for White. The position flipped from merely difficult to absolutely lost in a single move. Sometimes the queen you take is the queen keeping you alive.
Done gloating? Your own games have moments like this too — we'll find them.
Analysis by Stockfish; commentary AI-written from the engine's findings. BetterChess is a practice tool — no rating guarantees, only fewer blunders.