Chess.com's AI is horrible for custom variant positions.

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blademan9999

Nov 2, 2022

I went into Edit position and replaced the Knights with camels. I then decided to press white move/ black move to make the computer play each piece and see what happens.

And it was clear the computer had no idea what to do.

At move 100 white had a rook, a camel and a few pawns. It then took over 100 moves to checkmate, 2 times the fifty move rule almost came into play.

[StartFen4 "R-0,1,0,1-1,1,1,1-1,1,1,1-0,0,0,0-0-{'dim':'8x8','wb':true,'noCorners':false,'boxOffset':0,'zombieType':('','','',''),'zombieImmune':(false,false,false,false),'pawnBaseRank':5,'enPassant':('','','',''),'royal':('h4','','h11',''),'royal8x8':('','','',''),'lives':(false,false,false,false),'setupPoints':(0,0,0,0),'setupComplete':(false,false,false,false),'stalemated':(false,false,false,false),'promotedFrom':{},'resigned':(null,null,null,null)}-x,x,x,x,x,x,x,x,x,x,x,x,x,x/x,x,x,x,x,x,x,x,x,x,x,x,x,x/x,x,x,x,x,x,x,x,x,x,x,x,x,x/x,x,x,yR,yC,yB,yQ,yK,yB,yC,yR,x,x,x/x,x,x,yP,yP,yP,yP,yP,yP,yP,yP,x,x,x/x,x,x,8,x,x,x/x,x,x,8,x,x,x/x,x,x,8,x,x,x/x,x,x,8,x,x,x/x,x,x,rP,rP,rP,rP,rP,rP,rP,rP,x,x,x/x,x,x,rR,rC,rB,rQ,rK,rB,rC,rR,x,x,x/x,x,x,x,x,x,x,x,x,x,x,x,x,x/x,x,x,x,x,x,x,x,x,x,x,x,x,x/x,x,x,x,x,x,x,x,x,x,x,x,x,x"]
[Variant "FFA"]
[RuleVariants "EnPassant Play4Mate Stalemate=win"]
[CurrentMove "2-1-450"]
[TimeControl "3 | 2"]

1. d5-d7
(1.. k5-k7 )
(1.. Ce4-d7 .. d10-d8
2. Cd7-g8+# )
(1.. e5-e7 .. d10-d8 ) .. j10-j8 ( .. k10-k8
2. f5-f7 .. j10-j8
3. k5-k7 .. j8xk7
4. Cj4xk7 .. f10-f8
5. Ck7-h8 .. Qg11-f10
6. Ch8xBi11 .. Kh11xCi11
7. j5-j6 .. i10-i8
8. i5-i7 .. Qf10-f9
9. Rk4-k6 .. Qf9-i9
10. Rk6-k7 .. Qi9-j9
11. Rk7-k6 .. Ki11-i10
12. e5-e6 .. Qj9-i9
13. Rd4-d5 .. d10-d8
14. Rk6-k7 .. Qi9-j9
15. Rk7-k6 .. Qj9-i9
16. Bf4-e5 .. h10-h8
17. Be5xh8 .. Qi9-k9
18. h5-h6 .. Qk9-k10
19. Kh4-h5 .. Ki10-h11
20. g5-g6 .. e10-e9
21. Bi4-j5 .. g10-g8
22. Bj5xg8 .. Bf11-e10
23. Bg8xBe10 .. Qk10xBe10
24. Bh8xRk11 .. Qe10-j5+
25. Kh5-h4 .. Qj5xRk6
26. Qg4-i6 .. Rd11-d10
27. Qi6-j5 .. Qk6xQj5
28. Rd5xQj5 .. Rd10-k10
29. Bk11-i9 .. Rk10-i10
30. Bi9-j8 .. Ri10-g10
31. Rj5-g5 .. Rg10-i10
32. Kh4-i5 .. Ri10-d10
33. Bj8-i9 .. Kh11-i10
34. Bi9-j8 .. Rd10-h10
35. Rg5-h5 .. Rh10-g10
36. Rh5-g5 .. Rg10-g9
37. Rg5-g4 .. Rg9-h9
38. Rg4-h4 .. Rh9-j9
39. Rh4-j4 .. Rj9xBj8
40. i7xRj8 .. Ki10-j9
41. h6-h7 .. i8xh7
42. g6xh7 .. Ce11-h10
43. Rj4-k4 .. Ch10-g7
44. Rk4-k6 .. Cg7xj8+
45. Ki5-h5 .. Kj9-i9
46. Kh5-g6 .. Cj8-i5
47. Rk6-k5 .. Ci5-j8
48. Rk5-k4 .. Cj8-i5
49. Kg6-h5 .. Ci5-f6
50. Kh5-g6 .. Cf6-g9
51. Rk4-k6 .. Cg9-j10
52. Ce4-h5 .. Ki9-h9
53. Ch5-g8 .. Kh9-g9
54. j6-j7 .. k8xj7
55. Rk6-k11 .. j7-j6
56. Rk11xCj11 .. Cj10-i7
57. Rj11xj6 .. Ci7-h4
58. Rj6-j8 .. Kg9-f10
59. Rj8-h8 .. Ch4-i7
60. Kg6-f5 .. Kf10-e10
61. Kf5-g6 .. Ke10-d10
62. Kg6-h6 .. Ci7-f6
63. Kh6-g6 .. Cf6-i5
64. Rh8-i8 .. Ci5-f4
65. Ri8-h8 .. Cf4-e7
66. Rh8-h10+ .. Kd10-d11
67. Rh10-h11+ .. Kd11-d10
68. Cg8-f11 .. Kd10-d9
69. Cf11-g8+ .. Kd9-e10
70. Rh11-h10+ .. Ke10-e11
71. Rh10-h11+ .. Ke11-f10
72. Rh11-h10+ .. Kf10-g9
73. Rh10-h11 .. Ce7-f4
74. Kg6-f5 .. Cf4-e7
75. Kf5-g4 .. Kg9-f10
76. Rh11-h10+ .. Kf10-g9
77. Rh10-e10 .. Ce7-h6
78. Re10xe9+ .. Kg9-f10
79. Re9-h9 .. Kf10-g10
80. Rh9-h8 .. Kg10-f10
81. Kg4-h5 .. Ch6-k7
82. Rh8-h10+ .. Kf10-e9
83. Kh5-g6 .. Ck7-j4
84. Rh10-h8 .. Cj4-k7
85. Rh8-h9+ .. Ke9-d10
86. Rh9-d9+ .. Kd10-e11
87. Rd9xd8 .. Ke11-f10
88. Rd8xf8+ .. Kf10-e9
89. Rf8-e8+ .. Ke9-f10
90. e6-e7 .. Kf10-g11
91. Re8-e11+ .. Kg11-f10
92. Re11-f11+ .. Kf10-g9
93. Rf11-h11 .. Kg9-f10
94. Rh11-h10+ .. Kf10-g11
95. Rh10-h11+ .. Kg11-g10
96. Kg6-f6 .. Ck7-h6
97. Rh11-e11 .. Ch6-i9
98. Re11-e10+ .. Kg10-g9
99. Re10-e9+ .. Kg9-f10
100. Re9xCi9 .. Kf10-e11
101. Ri9-e9+ .. Ke11-f10
102. Re9-h9 .. Kf10-g10
103. Rh9-h8 .. Kg10-f10
104. Kf6-g6 .. Kf10-e11
105. Kg6-f6 .. Ke11-d10
106. Kf6-g6 .. Kd10-d11
107. Kg6-f6 .. Kd11-e11
108. Cg8-d9 .. Ke11-d10
109. Rh8-d8 .. Kd10-e11
110. Rd8-g8 .. Ke11-d10
111. Rg8-g9 .. Kd10-d11
112. Rg9-e9 .. Kd11-d10
113. Re9-f9 .. Kd10-e10
114. Rf9-g9 .. Ke10-f10
115. Rg9-g10+ .. Kf10-e11
116. Rg10-g11+ .. Ke11-f10
117. Rg11-g8 .. Kf10-e11
118. Rg8-g10 .. Ke11-d11
119. Rg10-g11+ .. Kd11-d10
120. Cd9-e6 .. Kd10-e10
121. Rg11-g10+ .. Ke10-f11
122. Ce6-d9 .. Kf11-e11
123. Kf6-g7 .. Ke11-d11
124. Rg10-f10 .. Kd11-e11
125. Rf10-f9 .. Ke11-e10
126. Kg7-g8 .. Ke10-e11
127. Cd9-g10 .. Ke11-d10
128. Rf9-d9+ .. Kd10-e11
129. Rd9-e9+ .. Ke11-f10
130. Re9-g9 .. Kf10-e11
131. Kg8-h8 .. Ke11-f11
132. Kh8-g7 .. Kf11-f10
133. Rg9-g8 .. Kf10-e11
134. Rg8-g9 .. Ke11-f11
135. Kg7-h8 .. Kf11-e11
136. Rg9-e9+ .. Ke11-f10
137. Re9-g9 .. Kf10-g11
138. Cg10-d9+ .. Kg11-h11
139. Cd9-g10 .. Kh11-h10
140. Cg10-j9 .. Kh10-i10
141. Rg9-i9+ .. Ki10-j11
142. Cj9-g10+ .. Kj11-k10
143. Cg10-j9 .. Kk10-k11
144. Ri9-i11+ .. Kk11-j10
145. Ri11-i9 .. Kj10-k10
146. Kh8-g8 .. Kk10-j10
147. h7-h8 .. Kj10-k10
148. h8-h9 .. Kk10-j10
149. Kg8-h8 .. Kj10-k10
150. Kh8-g7 .. Kk10-j10
151. Ri9-i10+ .. Kj10xCj9
152. Ri10-h10 .. Kj9-k8
153. Rh10-k10+ .. Kk8-j9
154. Rk10-k7 .. Kj9-i9
155. Kg7-g8 .. Ki9-j8
156. Rk7-k10 .. Kj8-i7
157. Rk10-i10+ .. Ki7-h6
158. Ri10-i4 .. Kh6-h5
159. Ri4-i7 .. Kh5-h6
160. Ri7-h7+ .. Kh6-i5
161. Rh7-i7+ .. Ki5-j6
162. Ri7-h7 .. Kj6-k5
163. Rh7-k7+ .. Kk5-j6
164. Rk7-k4 .. Kj6-i7
165. Rk4-k7+ .. Ki7-h6
166. Rk7-g7 .. Kh6-i5
167. Rg7-h7 .. Ki5-j4
168. Rh7-h4+ .. Kj4-i5
169. Rh4-g4 .. Ki5-j6
170. Rg4-j4+ .. Kj6-i5
171. Rj4-k4 .. Ki5-h6
172. Rk4-h4+ .. Kh6-g5
173. Rh4-i4 .. Kg5-f6
174. Ri4-e4 .. Kf6-f5
175. Re4-h4 .. Kf5-e6
176. Rh4-e4+ .. Ke6xd7
177. Re4-e5 .. Kd7-d6
178. Re5-e4 .. Kd6-d5
179. Re4-f4 .. Kd5-e5
180. Rf4-g4 .. Ke5-d6
181. Kg8-f8 .. Kd6-e6
182. Rg4-g6+ .. Ke6-f5
183. Rg6-g7 .. Kf5-e4
184. Rg7-g4+ .. Ke4-f5
185. Rg4-h4 .. Kf5-e6
186. Rh4-g4 .. Ke6-d6
187. Rg4-g6+ .. Kd6-e5
188. Rg6-g5+ .. Ke5-f4
189. Rg5-g6 .. Kf4-e4
190. Rg6-e6+ .. Ke4-f5
191. Re6-h6 .. Kf5-g5
192. Rh6-e6 .. Kg5-h4
193. Re6-h6+ .. Kh4-i5
194. Rh6-g6 .. Ki5-h5
195. Rg6-g7 .. Kh5-i4
196. Rg7-g4+ .. Ki4-j5
197. Rg4-g5+ .. Kj5-k6
198. Rg5-i5 .. Kk6-j6
199. Ri5-i4 .. Kj6-j5
200. Ri4-h4 .. Kj5-i5
201. Rh4-g4 .. Ki5-j6
202. Rg4-g6+ .. Kj6-k7
203. Rg6-g7+ .. Kk7-k6
204. Rg7-g6+ .. Kk6-j7
205. Rg6-g8 .. Kj7-k6
206. Rg8-k8+ .. Kk6-j5
207. Rk8-k7 .. Kj5-j6
208. Rk7-k4 .. Kj6-i7
209. Rk4-k8 .. Ki7-h6
210. Rk8-h8+ .. Kh6-i7
211. Kf8-g8 .. Ki7-i6
212. Rh8-i8+ .. Ki6-j7
213. Ri8-i9 .. Kj7-j8
214. Ri9-i10 .. Kj8-k7
215. Ri10-i7+ .. Kk7-j6
216. Ri7-h7 .. Kj6-k5
217. Rh7-k7+ .. Kk5-j6
218. Rk7-k8 .. Kj6-i5
219. Rk8-k5+ .. Ki5-j6
220. Rk5-k4 .. Kj6-i7
221. Rk4-k7+ .. Ki7-j8
222. Rk7-h7 .. Kj8-i9
223. h9-h10 .. Ki9-j10
224. h10-h11=Q .. Kj10-k10
225. Qh11-i10+ .. Kk10-k11
226. Rh7-k7+# )