Jianghu Xiangqi: When a Chessboard Is a Trap and the Book Is the Antidote

Before cheap print, composed xiangqi positions lived on sidewalks and in tea houses. The classic street format was the paiju stall: a keeper set out a composed endgame on a board and invited passers-by to stake money on solving it. The chosen positions always shared one trait — at first glance, the challenger looked to be winning easily. You would see your extra rook, your extra cannon, calculate a few moves, spot a clear path to victory… and the deeper you played, the less the board obeyed you. This article looks back at that "jianghu" tradition — the rivers-and-lakes world of wandering street players, the economy of "secret manuals" that grew around it, and what we learned digitising one such manual end to end: the Jianghu Hundred Games Secret Manual, all 88 of whose positions have just entered the SynerWorlds Xiangqi Position Dictionary.

Wild Horse Breaking Free, game 10 of the Jianghu Hundred Games Secret Manual — its name deliberately borrows the aura of the classic Wild Horse Ploughing the Field.

Anatomy of a trap

A good jianghu position — by the standards of the stall-keeping trade — has to meet three conditions. One, it must look winning: if passers-by see difficulty, they won't bet. Two, the truth must contradict the look: the "easy win" is really only a draw, or a loss, if the defender plays the one correct path. Three, the defensive path must be narrow enough for the keeper to know it like a multiplication table, while the challenger has almost no chance of finding it on the spot.

The numbers from our own digitisation say this more plainly than any anecdote. Of the 88 positions from the Jianghu Hundred Games Secret Manual now in the dictionary — each admitted only after two independent transcriptions agreed — just 12 are Red wins; the other 76 are draws. In other words, nearly nine out of ten "clear wins" the stall keeper was selling were, against correct defence, only draws. And that is merely what the book dared to print: the same manual contains four positions that both of our sources record as Black wins — the perfect trap, where the challenger takes the stronger-looking side and still loses. We have held those four back for now, because the dictionary currently publishes only positions whose verdicts are Red wins or draws.

Secret manuals: selling the antidote to your own trap

Around those sidewalk boards grew a print economy: the mipu, the "secret manuals". The Jianghu Hundred Games Secret Manual states its business model in its very title — one hundred jianghu positions, with solutions. Buyers were not purchasing abstract knowledge; they were purchasing the antidote: insurance against being fleeced at the stall on the corner — or, more honestly, the means to set up the same stall themselves. In that trade, knowledge is valuable precisely because it is scarce: the fewer people know the defensive path, the longer the trap keeps working, and the more the book is worth.

That economy shaped which positions survived. To live through generations of reprinting, a position had to be both spectacular (a fine name, a strange diagram, a surprising ending) and sellable (hard enough to need a book, beautiful enough to be worth copying). The marketing techniques are older than the internet, too: the Jianghu Hundred Games includes positions whose names plainly borrow fame — Wild Horse Breaking Free (game 10) echoes Wild Horse Ploughing the Field, and Travelling a Thousand Li to Find Mother (game 36) echoes Travelling Alone a Thousand Li — while being entirely different positions. Borrowing a famous name to sell a book is not a modern invention.

When the secrets go online: the trap dies, the position lives

The elegant irony is that the secret manuals themselves ended the stall trade. Knowledge printed in a book and copied from manual to manual stops being a secret; and online, the two independent transcriptions of the same position — the very test we use before admitting an entry — are the fossil record of that centuries-long copying. Today all 88 positions of the Jianghu Hundred Games Secret Manual can be viewed free in the dictionary, with their original diagrams and an honest "result as recorded in the book" label. The trap can no longer trap anyone — but the positions keep their value: they are endgame studies tempered by hundreds of years of natural selection on the street, and any study that wasn't genuinely good died out long ago.

The tradition's deeper influence is aesthetic: it taught the xiangqi world to prize the composed position — a diagram built to tell a story, whose name is part of the artwork ("Great Tidings of Joy", "Five Dragons Fighting for the Pearl", "Leaning on a Horse, Asking the Way"…). Our dictionary shelves these positions by result like everything else, but the name and the source book always travel with the entry, because for a jianghu position, provenance is half the value.

One last thing a dictionary-maker has to say plainly: jianghu positions were designed to deceive the eye, so the verdict printed in a secret manual is not automatically trustworthy either — the antidote seller had every incentive to exaggerate the difficulty. That is why every position in this batch carries the label unverified — result as recorded in the book, awaiting gradual checking by engines and by the playing community, exactly as we are doing across the whole 1,500-plus-entry collection.

From the SynerWorlds series on classic xiangqi positions: The Four Greats · Seven Stars Gathering, dissected · Ancient books meet engines.