Deep Abyss, Wide Sea No. 202 · Zhang Qian Rides the Raft

Nine records whose printed line does not hold

9 moves

渊深海阔 (1808), 第202局 张骞乘槎. The record claims mate by continuous checks in 5 moves, and the printed line does mate. It is not forced: at move 2 the defence has f10f9, which the record does not give, and after it there is no continuous-check mate within six moves of the recorded leng…