FRITZ 20 and the Sleepless Coach: Vietnamese Chess Learns to Talk Back to the Machine

In November 2026, in New York, Garry Kasparov sat down for a four-game match against the Fritz machine and walked away with a 2-2 draw. Three years later, in Bonn, Deep Fritz beat Vladimir Kramnik 4-2. I have rewatched those tapes many times, not to find a beautiful move, but to study a human face after a lost game. That face was not angry, not panicked. It was tired in a very particular way, the tiredness of someone who has just realised he is being read like an open book.

Twenty years later, in a small chess club on Nguyen Thien Thuat Street in Nha Trang, I sat behind a fourteen-year-old boy. The clock read eleven at night. He placed his phone beside the board, opened an analysis app, and repeated the same endgame position for forty minutes. The ceiling fan turned slowly. There was no coach in the room, no spectators, no one to ask. The machine has become the only teacher for a great many Vietnamese children who play chess, and that is both the biggest opportunity and the biggest void in our national game.

ChessBase has just released FRITZ 20, the latest version of a chess software line developed by Frans Morsch and Mathias Feist since the early 1990s. What stands out is how the company positions the product: your personal trainer, your toughest opponent, your strongest ally. Those three phrases are not about computing power. They are about a relationship.

Fritz was never the strongest engine in the laboratory. After 2026, as Stockfish, Komodo and later Leela Chess Zero took over the engine rating lists, the Fritz line retreated to a different territory: the desk of the amateur and semi-professional player. There, raw strength stopped being the selling point. What is sold is the experience: a readable interface, sparring modes, an enormous database, and the ability to explain moves in human language. FRITZ 20 continues that path, with neural-network evaluation, an adaptive training plan tailored to the individual, and opponent profiles that mimic the style of the very players you are about to face.

In Vietnam, the story unfolds differently. A young player in Hanoi or Ho Chi Minh City can reach the international game database in seconds, yet struggles to find a qualified coach within a reasonable distance. Le Quang Liem and Nguyen Ngoc Truong Son are the two names that put Vietnamese chess on the Olympiad map, but behind them sits a thin domestic tournament system, few coaching hours, and a very short list of players with a dense enough international Elo rating to spar with. The stadium is empty, yet the applause of 2026 still rings inside every old record. During the pandemic, when every physical board closed, hundreds of thousands of Vietnamese moved online, and the machine became the only opponent still awake.

FRITZ 20 does not sell computing power; it sells a schedule. And it is that schedule which changes how a Vietnamese player grows up.

More precisely, the software operates on three layers. The first is neural-network evaluation, which lets it read positions in a way closer to human intuition than to a pure material count. The second is an adaptive exercise system: after each game you feed it, the software classifies your errors into groups, from blunders in the middlegame to king-and-pawn technique, then automatically generates exercises for the weakest group. The third is opponent profiles, where you can set up a training partner with a preferred style, say someone who likes to trade pieces early and head for an endgame, or someone who always pushes the queenside pawns to open a file.

Based on my experience following national youth championships over many years, the biggest change is not that players find better moves. It is that the bottleneck of the learning process has shifted. Finding the right move used to be the hard part. Now, with an engine in your pocket, the hard part is choosing correctly among hundreds of suggestions and turning that choice into a reflex that survives clock pressure. I once sat beside a seventeen-year-old at the national championship. He had memorised the first twenty-five moves of a Sicilian line like scripture, and collapsed on move thirty-one, when his opponent deviated from the book by a single tempo. The machine had taught him a great deal. It simply had not taught him how to argue with it.

A record never grows old; it is only waiting for someone who knows how to listen. In chess, that record is every game you have ever played. The new software lets you flip through the short career of a fifteen-year-old and see a repeated behavioural pattern: he always hesitates on move twenty. That is the kind of information which once took hundreds of hours for an experienced coach to assemble. Now it appears within minutes.

Every stadium I have walked through holds a secret door, and the entrance is always a human being, even when that stadium is only a playing hall with a board, an electronic clock and the smell of new plastic pieces.

But there is a flip side that deserves to be named. A machine designed to adapt to you will always find a way to keep you inside your comfort zone. It raises the difficulty just enough for you to feel progress, never enough for you to feel humiliated. Elite chess, by contrast, is a sport of controlled humiliation: you are exposed on stage, in front of your opponent, the arbiter and a silent hall. No software reproduces that moment. And the stronger the machine becomes, the wider, not narrower, the gap grows between the training room and the real board.

There is another issue Vietnamese chess rarely discusses. The power of an engine is a double-edged blade: it trains the honest player, and it equips the cheat with a tool that is nearly impossible to detect in online events. Chess arbiters, like their counterparts on the football pitch, lack a transparent mechanism for explaining decisions on the spot. A player suspected of cheating usually receives silence, or a sanction with no accompanying explanation. Transparency, in football and in chess alike, remains largely a slogan.

In the age of the thirty-second video, I spent three months listening to a man recount a single game from 2026, and during those three months I understood that Vietnamese chess does not lack good software or tournaments. It lacks afternoons with nothing but a board and two patient people. Software can be bought for a few hundred thousand dong. Patience must be paid for with time, and time is the most expensive commodity here.

FRITZ 20 will help a young player in Nha Trang train more efficiently, more individually, and perhaps save a few years of groping in the dark. It will not help him find someone to sit opposite him and say, looking straight into his eyes, that his twentieth move was wrong. Now that the machines are good enough to be teachers, the remaining question belongs to us humans: do we still have the courage to play the critic, instead of quietly giving up the room to the sound of a ceiling fan turning where no one else is left?