Visit my website for new posts (don't miss!): https://jore20.hashnode.dev. I promise, sub-100 python chess move validation is possible. (Written in 5 Sep 2026)

Chess Move Validation in JavaScript in Bytes Play Hole

7^th in JavaScript and 114^th overall.

Last tested 8 days ago.

Runtime of 9ms.

Bytes	Chars	Submitted
119	119	16 days ago
120	120	20 days ago
123	123	20 days ago
129	129	20 days ago
131	131	20 days ago
133	133	4 Aug 2026
134	134	3 Aug 2026
135	135	3 Aug 2026
136	136	3 Aug 2026
141	141	3 Aug 2026
147	147	3 Aug 2026
150	150	3 Aug 2026
153	153	3 Aug 2026
155	155	3 Aug 2026
157	157	2 Aug 2026
158	158	2 Aug 2026
159	159	2 Aug 2026
160	160	2 Aug 2026
161	161	2 Aug 2026
164	164	2 Aug 2026
165	165	2 Aug 2026
167	167	2 Aug 2026
168	168	2 Aug 2026
171	171	2 Aug 2026
172	172	2 Aug 2026
173	173	2 Aug 2026
174	174	2 Aug 2026
175	175	2 Aug 2026
176	176	2 Aug 2026
186	186	2 Aug 2026

JOrE20 (he/him)

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Chess Move Validation in JavaScript in Bytes Play Hole