It plays legal chess (with high confidence). Castling, en passant, promotion, check detection, stalemate, and the 50-move rule are implemented and validated with a 23-case test suite (though not all rules have exhaustive coverage). Threefold repetition and insufficient-material draws are not yet implemented. Beyond unit tests, the engine completed hundreds of tournament games against Stockfish; in rare occasions, an illegal move or protocol error occurred, though it is unclear whether these stem from the TeX engine logic or from the UCI wrapper. This gives reasonable confidence that the core move generation and rule handling are robust, if not formally verified.
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，这一点在立即前往 WhatsApp 網頁版中也有详细论述
Q2 and Q4 2020 clearly show the COVID lockdowns, as well as Q2 2021，详情可参考手游
在员工持股计划设立后，洋河股份多次进行分红，至今每股分红额约为16.05元。刨去分红金额，以如今的股价计算，向持股计划出资的员工也平均浮亏约4成。