Ethereal Does NOT Recognize 3 Fold Repetitions

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Chessqueen
Posts: 5685
Joined: Wed Sep 05, 2018 2:16 am
Location: Moving
Full name: Jorge Picado

Ethereal Does NOT Recognize 3 Fold Repetitions

Post by Chessqueen »

There is a BUG in Ethereal,it Does NOT recognize 3 fold repetitions and it keep on playing, it is impossible for this ending after the 3rd move Bishop Sacrifice 3. Kxf1 Bh3! which I forced it into Ethereal, since it does not finds it without EGTB for the game to last over 250 moves WOW a whipping 435 MOVES there must be a BUG or in the ARENA 3.5.1 GUI :roll:

[pgn][Event "Computer chess game"]
[Site "DESKTOP-OFQ3C0P"]
[Date "2022.06.22"]
[Round "?"]
[White "Ethereal-avx2"]
[Black "Ethereal-avx2"]
[Result "1/2-1/2"]
[BlackElo "3450"]
[Time "01:40:43"]
[WhiteElo "3450"]
[TimeControl "120+1"]
[SetUp "1"]
[FEN "r7/8/8/5bk1/8/5B2/5RPP/6K1 b - - 0 1"]
[Termination "normal"]
[PlyCount "868"]
[WhiteType "program"]
[BlackType "program"]

1. ... Ra1+ 2. Rf1 Rxf1+ 3. Kxf1 Bh3 4. gxh3 Kf5 5. Kg2 Ke5 6. Be2 Kf5 7.
Kf2 Kf6 8. Bb5 Kg6 9. Ba6 Kf6 10. Bc4 Kg7 11. Bd3 Kf6 12. Kf1 Kg7 13. Ke1
Kg8 14. Kf2 Kg7 15. Ke1 Kg8 16. Bb1 Kg7 17. Bc2 Kg8 18. Kf2 Kg7 19. Bd3 Kf6
20. Bh7 Kg7 21. Be4 Kf6 22. Ke2 Kg7 23. Kd2 Kg8 24. Bg6 Kg7 25. Bb1 Kg8 26.
Bc2 Kf8 27. Bb3 Ke7 28. Ke3 Ke8 29. Ba4+ Kd8 30. Kd4 Ke7 31. Kc3 Kd8 32.
Bd1 Kd7 33. Bg4+ Kd6 34. Kb3 Kc5 35. Bd1 Kd6 36. Ka2 Ke7 37. Bg4 Kd8 38.
Bh5 Kc7 39. Bd1 Kd6 40. Ka1 Kc7 41. Kb1 Kd7 42. Kb2 Kc8 43. Bg4+ Kc7 44.
Be6 Kc6 45. Kc2 Kc5 46. Kd1 Kc6 47. Bf5 Kc5 48. Kc1 Kd5 49. h4 Ke5 50. Bc2
Kf6 51. Kb2 Ke7 52. Be4 Kf8 53. Kc3 Kg7 54. Bc6 Kf7 55. Kc4 Kg7 56. Bb5 Kg8
57. Kc5 Kg7 58. Kd6 Kg8 59. Ba4 Kg7 60. Ke6 Kh6 61. Be8 Kg7 62. Bh5 Kg8 63.
Ke5 Kh7 64. Kf4 Kg7 65. Bf3 Kf7 66. Be4 Kf6 67. Kg4 Kg7 68. Bf5 Kf6 69. Be4
Kg7 70. Kg5 Kf7 71. h5 Kg7 72. Kf4 Kh6 73. Bg6 Kg7 74. Ke5 Kf8 75. Ke6 Kg8
76. Bf5 Kg7 77. h6+ Kh8 78. Ke5 Kg8 79. Kf4 Kh8 80. Bg4 Kh7 81. Kg5 Kh8 82.
Bf5 Kg8 83. Kh4 Kh8 84. Kg3 Kg8 85. Kg4 Kh8 86. Kg3 Kg8 87. Bb1 Kh8 88. Be4
Kg8 89. Bg6 Kh8 90. Kf4 Kg8 91. Kg4 Kh8 92. Kf4 Kg8 93. Bb1 Kh8 94. Bd3 Kg8
95. Ke5 Kh8 96. Kf4 Kg8 97. Kf3 Kh8 98. Be4 Kg8 99. Bf5 Kh8 100. Kg2 Kg8
101. Be4 Kh8 102. Kh1 Kg8 103. Bb1 Kh8 104. Bf5 Kg8 105. Kg1 Kh8 106. Bg6
Kg8 107. Kg2 Kh8 108. Bb1 Kg8 109. Kg1 Kh8 110. Bc2 Kg8 111. Kg2 Kh8 112.
Kg3 Kg8 113. Kf4 Kh8 114. Bf5 Kg8 115. Bb1 Kh8 116. Bc2 Kg8 117. Kg5 Kh8
118. Bb1 Kg8 119. Bd3 Kh8 120. Kg4 Kg8 121. Be4 Kh8 122. h3 Kg8 123. Bb1
Kh8 124. Bd3 Kg8 125. Kg5 Kh8 126. Bc4 Kh7 127. Bd3+ Kg8 128. Kg4 Kh8 129.
Bf5 Kg8 130. Bg6 Kh8 131. Bf5 Kg8 132. Be6+ Kh8 133. Kg5 Kh7 134. Bb3 Kh8
135. Bc2 Kg8 136. Bb1 Kh8 137. Bg6 Kg8 138. Bf5 Kh8 139. Bg6 Kg8 140. Bb1
Kh8 141. Kh5 Kg8 142. Kh4 Kh8 143. Be4 Kg8 144. Bd5+ Kh7 145. Kh5 Kh8 146.
Kg5 Kh7 147. Bb3 Kh8 148. Bc2 Kg8 149. Bg6 Kh8 150. Kf5 Kg8 151. Kg5 Kh8
152. Kf6 Kg8 153. Bb1 Kh8 154. Kg6 Kg8 155. Kh5 Kh8 156. Kg5 Kg8 157. Kg6
Kh8 158. Bd3 Kg8 159. Bc4+ Kh8 160. Kf6 Kh7 161. Kf7 Kh8 162. Kf6 Kh7 163.
Bd5 Kh8 164. Be4 Kg8 165. Bd5+ Kh7 166. Bf3 Kh8 167. Kg6 Kg8 168. Bd5+ Kh8
169. Be4 Kg8 170. h4 Kh8 171. Kg5 Kg8 172. Kg6 Kh8 173. Bf5 Kg8 174. Kg5
Kh8 175. Be4 Kg8 176. Bc2 Kh8 177. Bb3 Kh7 178. Be6 Kh8 179. Bf7 Kh7 180.
Be6 Kh8 181. Bf5 Kg8 182. Kg6 Kh8 183. Bg4 Kg8 184. Bf3 Kh8 185. Bb7 Kg8
186. Bc8 Kh8 187. Bg4 Kg8 188. Bh5 Kh8 189. Be2 Kg8 190. Bc4+ Kh8 191. Bf1
Kg8 192. Be2 Kh8 193. Bd3 Kg8 194. Bf5 Kh8 195. Kf6 Kg8 196. Be4 Kh8 197.
Bd3 Kg8 198. Kg5 Kh8 199. h5 Kg8 200. Bf5 Kh8 201. Bd3 Kg8 202. Kf4 Kh8
203. Be4 Kg8 204. Bg6 Kh8 205. Kg5 Kg8 206. Be4 Kh8 207. Bf5 Kg8 208. Bg6
Kh8 209. Bc2 Kg8 210. Be4 Kh8 211. Bc2 Kg8 212. Bg6 Kh8 213. Kh4 Kg8 214.
Be4 Kh8 215. Bc6 Kh7 216. Kg5 Kh8 217. Bg2 Kg8 218. Bf3 Kh8 219. Bb7 Kg8
220. Bf3 Kh8 221. Be4 Kg8 222. Bb1 Kh8 223. Ba2 Kh7 224. Bd5 Kh8 225. Bb3
Kh7 226. Bf7 Kh8 227. Bd5 Kh7 228. Ba2 Kh8 229. Bb3 Kh7 230. Bc4 Kh8 231.
Bd5 Kh7 232. Be6 Kh8 233. Bf5 Kg8 234. Kf4 Kh8 235. Bd3 Kg8 236. Be4 Kh8
237. Bg6 Kg8 238. Ke3 Kh8 239. Bd3 Kg8 240. Kf3 Kh8 241. Bf5 Kg8 242. Kf4
Kh8 243. Kg4 Kg8 244. Bb1 Kh8 245. Bd3 Kg8 246. Kg5 Kh8 247. Kg4 Kg8 248.
Kg5 Kh8 249. h7 Kg7 250. Bg6 Kh8 251. Kf5 Kg7 252. Kf4 Kh8 253. Ke5 Kg7
254. Ke4 Kh8 255. Kd3 Kg7 256. Ke4 Kh8 257. Kf3 Kg7 258. Ke3 Kh8 259. Bd3
Kg7 260. Bf5 Kh8 261. Bd3 Kg7 262. Kf3 Kh8 263. Kg4 Kg7 264. Bg6 Kh8 265.
Kg3 Kg7 266. Kg4 Kh8 267. Bf5 Kg7 268. Bc2 Kh8 269. Bg6 Kg7 270. Kf5 Kh8
271. Kg5 Kg7 272. Bf5 Kh8 273. Bd3 Kg7 274. Bf5 Kh8 275. Kf4 Kg7 276. Bc2
Kh8 277. Kf3 Kg7 278. Kg3 Kh8 279. Bf5 Kg7 280. Bc2 Kh8 281. Bg6 Kg7 282.
Kf4 Kh8 283. Kg4 Kg7 284. Bf5 Kh8 285. Kg3 Kg7 286. Be4 Kh8 287. Kg2 Kg7
288. Kf3 Kh8 289. Ke2 Kg7 290. Ke3 Kh8 291. Bc2 Kg7 292. Kf4 Kh8 293. Bd3
Kg7 294. Kg5 Kh8 295. Bc4 Kxh7 296. Bd3+ Kh8 297. Kh6 Kg8 298. Bc4+ Kh8
299. Bd3 Kg8 300. Bc4+ Kh8 301. Be2 Kg8 302. Kg6 Kh8 303. Bb5 Kg8 304. Ba4
Kh8 305. Kh6 Kg8 306. Bc2 Kh8 307. Be4 Kg8 308. Bh7+ Kh8 309. Bg6 Kg8 310.
Bc2 Kh8 311. Kg5 Kg8 312. Kf4 Kf7 313. Kg3 Kg7 314. Ba4 Kf6 315. Kg4 Kg7
316. Bc2 Kg8 317. Kf4 Kf7 318. Kg5 Kg8 319. Bd3 Kf7 320. Bc4+ Kg7 321. Bd5
Kh8 322. Bc6 Kh7 323. Bb5 Kg8 324. Be8 Kh7 325. Bc6 Kh8 326. Kg6 Kg8 327.
Bd5+ Kh8 328. Bb7 Kg8 329. Bh1 Kh8 330. Kh6 Kg8 331. Bb7 Kh8 332. Bc8 Kg8
333. Kg6 Kh8 334. Kf5 Kh7 335. Kg5 Kg7 336. Kf4 Kf8 337. Bd7 Kf7 338. Bc6
Kf6 339. Bb5 Ke7 340. Bd3 Kf7 341. h6 Kg8 342. Kg5 Kh8 343. Kg6 Kg8 344.
Be4 Kh8 345. Kh5 Kg8 346. Bg6 Kh8 347. Bc2 Kg8 348. Kg5 Kh8 349. Kg4 Kg8
350. Bb1 Kh8 351. Kf3 Kg8 352. Kg4 Kh8 353. Be4 Kg8 354. Kg3 Kh8 355. Kh4
Kg8 356. Bd3 Kh8 357. Kh5 Kg8 358. Kh4 Kh8 359. Kh3 Kg8 360. Bc2 Kh8 361.
Bg6 Kg8 362. Bf5 Kh8 363. Kh4 Kg8 364. Kg4 Kh8 365. Bg6 Kg8 366. Bf5 Kh8
367. Bg6 Kg8 368. Kf5 Kh8 369. Kf4 Kg8 370. Kg3 Kh8 371. Be4 Kg8 372. Bg6
Kh8 373. Be4 Kg8 374. Bd3 Kh8 375. Bf5 Kg8 376. Bd3 Kh8 377. Kg2 Kg8 378.
Bb1 Kh8 379. Bc2 Kg8 380. Bg6 Kh8 381. Be4 Kg8 382. Kf2 Kf7 383. Bf5 Kg8
384. Ke2 Kf7 385. h7 Kg7 386. Bd3 Kh8 387. Kd2 Kg7 388. Bf5 Kh8 389. Ke3
Kg7 390. Kd3 Kh8 391. Kd2 Kg7 392. Bd3 Kh8 393. Kc3 Kg7 394. Bf5 Kh8 395.
Kb2 Kg7 396. Bd3 Kh8 397. Kc3 Kg7 398. Kb2 Kh8 399. Be4 Kg7 400. Kc2 Kh8
401. Kb1 Kg7 402. Kc2 Kh8 403. Kb1 Kg7 404. Kc1 Kh8 405. Bf5 Kg7 406. Kd2
Kh8 407. Ke2 Kg7 408. Kd3 Kh8 409. Ke3 Kg7 410. Bc2 Kh8 411. Ke2 Kg7 412.
Bd3 Kh8 413. Kf3 Kg7 414. Kf2 Kh8 415. Bb1 Kg7 416. Kg2 Kh8 417. Bg6 Kg7
418. Kh2 Kh8 419. Bf5 Kg7 420. Kg3 Kh8 421. Be4 Kg7 422. Bd3 Kh8 423. Kg2
Kg7 424. Kf2 Kh8 425. Kg3 Kg7 426. Kf3 Kh8 427. Ke3 Kg7 428. Kf4 Kh8 429.
Bg6 Kg7 430. Ke4 Kh8 431. Kd3 Kg7 432. Kd4 Kh8 433. Ke3 Kg7 434. Bd3 Kh8
435. Bg6 {50 moves rule} *[/pgn]
Chessqueen
Posts: 5685
Joined: Wed Sep 05, 2018 2:16 am
Location: Moving
Full name: Jorge Picado

Re: Ethereal Does NOT Recognize 3 Fold Repetition

Post by Chessqueen »

This is the reason in my opinion why Komodo Dragon is one of the best engine, because it plays ending the best without using any EGTB, and it recognizes the 3 fold repetition :roll:
[pgn][Event "Computer chess game"]
[Site "DESKTOP-OFQ3C0P"]
[Date "2022.06.22"]
[Round "?"]
[White "Dragon-2.6.1-64bit-avx2"]
[Black "Dragon-2.6.1-64bit-avx2"]
[Result "1/2-1/2"]
[BlackElo "3550"]
[Time "07:32:55"]
[WhiteElo "3550"]
[TimeControl "180+2"]
[SetUp "1"]
[FEN "r7/8/8/5bk1/8/5B2/5RPP/6K1 b - - 0 1"]
[Termination "normal"]
[PlyCount "404"]
[WhiteType "program"]
[BlackType "program"]

1. ... Ra1+ 2. Rf1 Rxf1+ 3. Kxf1 Bh3 4. gxh3 Kf5 5. Kf2 Kg6 6. Bg4 Kg7 7.
Kg3 Kg6 8. Kh4 Kh7 9. Bd7 Kh6 10. Be6 Kg6 11. Bd5 Kh7 12. Ba2 Kg6 13. Be6
Kh6 14. Bf5 Kg7 15. Kg5 Kh8 16. Kh5 Kg7 17. Bg4 Kh8 18. h4 Kg8 19. Bf3 Kh7
20. Bg2 Kh8 21. Bh3 Kh7 22. Kg5 Kh8 23. Bg4 Kh7 24. Be6 Kh8 25. h5 Kg7 26.
h6+ Kh7 27. Bc4 Kh8 28. h3 Kh7 29. h4 Kh8 30. h5 Kh7 31. Bf1 Kh8 32. Kg6
Kg8 33. Bh3 Kh8 34. Bg4 Kg8 35. Be2 Kh8 36. Bd3 Kg8 37. Bc4+ Kh8 38. Be2
Kg8 39. Kf6 Kh8 40. Kf7 Kh7 41. Bf3 Kh8 42. Kg6 Kg8 43. Be4 Kh8 44. Ba8 Kg8
45. Bg2 Kh8 46. Bb7 Kg8 47. Bg2 Kh8 48. Be4 Kg8 49. Bf5 Kh8 50. Kf6 Kg8 51.
Bd3 Kh8 52. Kg5 Kg8 53. Bb1 Kh8 54. Bd3 Kg8 55. Bf5 Kh8 56. Be6 Kh7 57. Bb3
Kh8 58. Bc2 Kg8 59. Kg6 Kh8 60. Bb1 Kg8 61. Kf6 Kh8 62. Ke7 Kg8 63. Bg6 Kh8
64. Kd6 Kg8 65. Ke6 Kh8 66. Ke7 Kg8 67. Bf5 Kh8 68. Bb1 Kg8 69. Ke6 Kh8 70.
Kf6 Kg8 71. Bc2 Kh8 72. Ke7 Kg8 73. h7+ Kg7 74. Bd3 Kh8 75. Be4 Kg7 76. Ke6
Kh8 77. Kd7 Kg7 78. Ke8 Kh8 79. Bd3 Kg7 80. Bf5 Kh8 81. Kd7 Kg7 82. Kd8 Kh8
83. Ke7 Kg7 84. Bg6 Kh8 85. Kd8 Kg7 86. Ke8 Kh8 87. Ke7 Kg7 88. Kd8 Kh8 89.
Bd3 Kg7 90. Bg6 Kh8 91. Kd7 Kg7 92. Bb1 Kh8 93. Kc8 Kg7 94. Kc7 Kh8 95. Bf5
Kg7 96. Kc6 Kh8 97. Be4 Kg7 98. Bc2 Kh8 99. Kb6 Kg7 100. Ka5 Kh8 101. Ka6
Kg7 102. Bf5 Kh8 103. Be4 Kg7 104. Bf5 Kh8 105. Kb5 Kg7 106. Bb1 Kh8 107.
Ka4 Kg7 108. Bf5 Kh8 109. Kb4 Kg7 110. Ka4 Kh8 111. Ka5 Kg7 112. Bg6 Kh8
113. Ka6 Kg7 114. Bb1 Kh8 115. Ka7 Kg7 116. Be4 Kh8 117. Kb6 Kg7 118. h8=Q+
Kxh8 119. h6 Kg8 120. Bg6 Kh8 121. Kc5 Kg8 122. Bc2 Kh8 123. Bf5 Kg8 124.
Be4 Kf7 125. Kc6 Kg8 126. Bg6 Kh8 127. Bb1 Kg8 128. Kc7 Kh8 129. Bc2 Kg8
130. Bd3 Kf7 131. Kc6 Kg8 132. Bg6 Kh8 133. Kb6 Kg8 134. Kc5 Kh8 135. Kd4
Kg8 136. Ke5 Kh8 137. Ke4 Kg8 138. Kd5 Kh8 139. Bb1 Kg8 140. Kc6 Kf7 141.
Kc7 Kg8 142. Kb6 Kf7 143. Kb5 Kg8 144. Bf5 Kf7 145. Kc4 Kg8 146. Kc3 Kh8
147. Bg6 Kg8 148. Kc4 Kh8 149. Kb3 Kg8 150. Kb4 Kh8 151. Ka5 Kg8 152. Bf5
Kh8 153. Bd3 Kg8 154. h7+ Kg7 155. Ka6 Kh8 156. Bc2 Kg7 157. Be4 Kh8 158.
Kb7 Kg7 159. Kc7 Kh8 160. Kd8 Kg7 161. Bg6 Kh8 162. Ke7 Kg7 163. Be4 Kh8
164. Bf5 Kg7 165. Kd8 Kh8 166. Bd3 Kg7 167. Ke8 Kh8 168. Bc2 Kg7 169. Bg6
Kh8 170. Be4 Kg7 171. Kd8 Kh8 172. Bf5 Kg7 173. Bc2 Kh8 174. Kc7 Kg7 175.
Be4 Kh8 176. Bb1 Kg7 177. Kd8 Kh8 178. Bg6 Kg7 179. Kc8 Kh8 180. Kb8 Kg7
181. Be4 Kh8 182. Ka7 Kg7 183. Bg6 Kh8 184. Bc2 Kg7 185. Kb8 Kh8 186. Kb7
Kg7 187. Kc6 Kh8 188. Kc5 Kg7 189. Bb1 Kh8 190. Bf5 Kg7 191. Kc4 Kh8 192.
Bg6 Kg7 193. Kd5 Kh8 194. Bf5 Kg7 195. Be4 Kh8 196. Bc2 Kg7 197. Be4 Kh8
198. Bf5 Kg7 199. Kc4 Kh8 200. Kc5 Kg7 201. Bb1 Kh8 202. Bc2 Kg7 203. Bb1
{3-fold repetition} 1/2-1/2[/pgn]
Chessqueen
Posts: 5685
Joined: Wed Sep 05, 2018 2:16 am
Location: Moving
Full name: Jorge Picado

Re: Ethereal Does NOT Recognize 3 Fold Repetitions

Post by Chessqueen »

Chessqueen wrote: Wed Jun 22, 2022 2:20 pm There is a BUG in Ethereal,it Does NOT recognize 3 fold repetitions and it keep on playing, it is impossible for this ending after the 3rd move Bishop Sacrifice 3. Kxf1 Bh3! which I forced it into Ethereal, since it does not finds it without EGTB for the game to last over 250 moves WOW a whipping 435 MOVES there must be a BUG or in the ARENA 3.5.1 GUI :roll:

[pgn][Event "Computer chess game"]
[Site "DESKTOP-OFQ3C0P"]
[Date "2022.06.22"]
[Round "?"]
[White "Ethereal-avx2"]
[Black "Ethereal-avx2"]
[Result "1/2-1/2"]
[BlackElo "3450"]
[Time "01:40:43"]
[WhiteElo "3450"]
[TimeControl "120+1"]
[SetUp "1"]
[FEN "r7/8/8/5bk1/8/5B2/5RPP/6K1 b - - 0 1"]
[Termination "normal"]
[PlyCount "868"]
[WhiteType "program"]
[BlackType "program"]

1. ... Ra1+ 2. Rf1 Rxf1+ 3. Kxf1 Bh3 4. gxh3 Kf5 5. Kg2 Ke5 6. Be2 Kf5 7.
Kf2 Kf6 8. Bb5 Kg6 9. Ba6 Kf6 10. Bc4 Kg7 11. Bd3 Kf6 12. Kf1 Kg7 13. Ke1
Kg8 14. Kf2 Kg7 15. Ke1 Kg8 16. Bb1 Kg7 17. Bc2 Kg8 18. Kf2 Kg7 19. Bd3 Kf6
20. Bh7 Kg7 21. Be4 Kf6 22. Ke2 Kg7 23. Kd2 Kg8 24. Bg6 Kg7 25. Bb1 Kg8 26.
Bc2 Kf8 27. Bb3 Ke7 28. Ke3 Ke8 29. Ba4+ Kd8 30. Kd4 Ke7 31. Kc3 Kd8 32.
Bd1 Kd7 33. Bg4+ Kd6 34. Kb3 Kc5 35. Bd1 Kd6 36. Ka2 Ke7 37. Bg4 Kd8 38.
Bh5 Kc7 39. Bd1 Kd6 40. Ka1 Kc7 41. Kb1 Kd7 42. Kb2 Kc8 43. Bg4+ Kc7 44.
Be6 Kc6 45. Kc2 Kc5 46. Kd1 Kc6 47. Bf5 Kc5 48. Kc1 Kd5 49. h4 Ke5 50. Bc2
Kf6 51. Kb2 Ke7 52. Be4 Kf8 53. Kc3 Kg7 54. Bc6 Kf7 55. Kc4 Kg7 56. Bb5 Kg8
57. Kc5 Kg7 58. Kd6 Kg8 59. Ba4 Kg7 60. Ke6 Kh6 61. Be8 Kg7 62. Bh5 Kg8 63.
Ke5 Kh7 64. Kf4 Kg7 65. Bf3 Kf7 66. Be4 Kf6 67. Kg4 Kg7 68. Bf5 Kf6 69. Be4
Kg7 70. Kg5 Kf7 71. h5 Kg7 72. Kf4 Kh6 73. Bg6 Kg7 74. Ke5 Kf8 75. Ke6 Kg8
76. Bf5 Kg7 77. h6+ Kh8 78. Ke5 Kg8 79. Kf4 Kh8 80. Bg4 Kh7 81. Kg5 Kh8 82.
Bf5 Kg8 83. Kh4 Kh8 84. Kg3 Kg8 85. Kg4 Kh8 86. Kg3 Kg8 87. Bb1 Kh8 88. Be4
Kg8 89. Bg6 Kh8 90. Kf4 Kg8 91. Kg4 Kh8 92. Kf4 Kg8 93. Bb1 Kh8 94. Bd3 Kg8
95. Ke5 Kh8 96. Kf4 Kg8 97. Kf3 Kh8 98. Be4 Kg8 99. Bf5 Kh8 100. Kg2 Kg8
101. Be4 Kh8 102. Kh1 Kg8 103. Bb1 Kh8 104. Bf5 Kg8 105. Kg1 Kh8 106. Bg6
Kg8 107. Kg2 Kh8 108. Bb1 Kg8 109. Kg1 Kh8 110. Bc2 Kg8 111. Kg2 Kh8 112.
Kg3 Kg8 113. Kf4 Kh8 114. Bf5 Kg8 115. Bb1 Kh8 116. Bc2 Kg8 117. Kg5 Kh8
118. Bb1 Kg8 119. Bd3 Kh8 120. Kg4 Kg8 121. Be4 Kh8 122. h3 Kg8 123. Bb1
Kh8 124. Bd3 Kg8 125. Kg5 Kh8 126. Bc4 Kh7 127. Bd3+ Kg8 128. Kg4 Kh8 129.
Bf5 Kg8 130. Bg6 Kh8 131. Bf5 Kg8 132. Be6+ Kh8 133. Kg5 Kh7 134. Bb3 Kh8
135. Bc2 Kg8 136. Bb1 Kh8 137. Bg6 Kg8 138. Bf5 Kh8 139. Bg6 Kg8 140. Bb1
Kh8 141. Kh5 Kg8 142. Kh4 Kh8 143. Be4 Kg8 144. Bd5+ Kh7 145. Kh5 Kh8 146.
Kg5 Kh7 147. Bb3 Kh8 148. Bc2 Kg8 149. Bg6 Kh8 150. Kf5 Kg8 151. Kg5 Kh8
152. Kf6 Kg8 153. Bb1 Kh8 154. Kg6 Kg8 155. Kh5 Kh8 156. Kg5 Kg8 157. Kg6
Kh8 158. Bd3 Kg8 159. Bc4+ Kh8 160. Kf6 Kh7 161. Kf7 Kh8 162. Kf6 Kh7 163.
Bd5 Kh8 164. Be4 Kg8 165. Bd5+ Kh7 166. Bf3 Kh8 167. Kg6 Kg8 168. Bd5+ Kh8
169. Be4 Kg8 170. h4 Kh8 171. Kg5 Kg8 172. Kg6 Kh8 173. Bf5 Kg8 174. Kg5
Kh8 175. Be4 Kg8 176. Bc2 Kh8 177. Bb3 Kh7 178. Be6 Kh8 179. Bf7 Kh7 180.
Be6 Kh8 181. Bf5 Kg8 182. Kg6 Kh8 183. Bg4 Kg8 184. Bf3 Kh8 185. Bb7 Kg8
186. Bc8 Kh8 187. Bg4 Kg8 188. Bh5 Kh8 189. Be2 Kg8 190. Bc4+ Kh8 191. Bf1
Kg8 192. Be2 Kh8 193. Bd3 Kg8 194. Bf5 Kh8 195. Kf6 Kg8 196. Be4 Kh8 197.
Bd3 Kg8 198. Kg5 Kh8 199. h5 Kg8 200. Bf5 Kh8 201. Bd3 Kg8 202. Kf4 Kh8
203. Be4 Kg8 204. Bg6 Kh8 205. Kg5 Kg8 206. Be4 Kh8 207. Bf5 Kg8 208. Bg6
Kh8 209. Bc2 Kg8 210. Be4 Kh8 211. Bc2 Kg8 212. Bg6 Kh8 213. Kh4 Kg8 214.
Be4 Kh8 215. Bc6 Kh7 216. Kg5 Kh8 217. Bg2 Kg8 218. Bf3 Kh8 219. Bb7 Kg8
220. Bf3 Kh8 221. Be4 Kg8 222. Bb1 Kh8 223. Ba2 Kh7 224. Bd5 Kh8 225. Bb3
Kh7 226. Bf7 Kh8 227. Bd5 Kh7 228. Ba2 Kh8 229. Bb3 Kh7 230. Bc4 Kh8 231.
Bd5 Kh7 232. Be6 Kh8 233. Bf5 Kg8 234. Kf4 Kh8 235. Bd3 Kg8 236. Be4 Kh8
237. Bg6 Kg8 238. Ke3 Kh8 239. Bd3 Kg8 240. Kf3 Kh8 241. Bf5 Kg8 242. Kf4
Kh8 243. Kg4 Kg8 244. Bb1 Kh8 245. Bd3 Kg8 246. Kg5 Kh8 247. Kg4 Kg8 248.
Kg5 Kh8 249. h7 Kg7 250. Bg6 Kh8 251. Kf5 Kg7 252. Kf4 Kh8 253. Ke5 Kg7
254. Ke4 Kh8 255. Kd3 Kg7 256. Ke4 Kh8 257. Kf3 Kg7 258. Ke3 Kh8 259. Bd3
Kg7 260. Bf5 Kh8 261. Bd3 Kg7 262. Kf3 Kh8 263. Kg4 Kg7 264. Bg6 Kh8 265.
Kg3 Kg7 266. Kg4 Kh8 267. Bf5 Kg7 268. Bc2 Kh8 269. Bg6 Kg7 270. Kf5 Kh8
271. Kg5 Kg7 272. Bf5 Kh8 273. Bd3 Kg7 274. Bf5 Kh8 275. Kf4 Kg7 276. Bc2
Kh8 277. Kf3 Kg7 278. Kg3 Kh8 279. Bf5 Kg7 280. Bc2 Kh8 281. Bg6 Kg7 282.
Kf4 Kh8 283. Kg4 Kg7 284. Bf5 Kh8 285. Kg3 Kg7 286. Be4 Kh8 287. Kg2 Kg7
288. Kf3 Kh8 289. Ke2 Kg7 290. Ke3 Kh8 291. Bc2 Kg7 292. Kf4 Kh8 293. Bd3
Kg7 294. Kg5 Kh8 295. Bc4 Kxh7 296. Bd3+ Kh8 297. Kh6 Kg8 298. Bc4+ Kh8
299. Bd3 Kg8 300. Bc4+ Kh8 301. Be2 Kg8 302. Kg6 Kh8 303. Bb5 Kg8 304. Ba4
Kh8 305. Kh6 Kg8 306. Bc2 Kh8 307. Be4 Kg8 308. Bh7+ Kh8 309. Bg6 Kg8 310.
Bc2 Kh8 311. Kg5 Kg8 312. Kf4 Kf7 313. Kg3 Kg7 314. Ba4 Kf6 315. Kg4 Kg7
316. Bc2 Kg8 317. Kf4 Kf7 318. Kg5 Kg8 319. Bd3 Kf7 320. Bc4+ Kg7 321. Bd5
Kh8 322. Bc6 Kh7 323. Bb5 Kg8 324. Be8 Kh7 325. Bc6 Kh8 326. Kg6 Kg8 327.
Bd5+ Kh8 328. Bb7 Kg8 329. Bh1 Kh8 330. Kh6 Kg8 331. Bb7 Kh8 332. Bc8 Kg8
333. Kg6 Kh8 334. Kf5 Kh7 335. Kg5 Kg7 336. Kf4 Kf8 337. Bd7 Kf7 338. Bc6
Kf6 339. Bb5 Ke7 340. Bd3 Kf7 341. h6 Kg8 342. Kg5 Kh8 343. Kg6 Kg8 344.
Be4 Kh8 345. Kh5 Kg8 346. Bg6 Kh8 347. Bc2 Kg8 348. Kg5 Kh8 349. Kg4 Kg8
350. Bb1 Kh8 351. Kf3 Kg8 352. Kg4 Kh8 353. Be4 Kg8 354. Kg3 Kh8 355. Kh4
Kg8 356. Bd3 Kh8 357. Kh5 Kg8 358. Kh4 Kh8 359. Kh3 Kg8 360. Bc2 Kh8 361.
Bg6 Kg8 362. Bf5 Kh8 363. Kh4 Kg8 364. Kg4 Kh8 365. Bg6 Kg8 366. Bf5 Kh8
367. Bg6 Kg8 368. Kf5 Kh8 369. Kf4 Kg8 370. Kg3 Kh8 371. Be4 Kg8 372. Bg6
Kh8 373. Be4 Kg8 374. Bd3 Kh8 375. Bf5 Kg8 376. Bd3 Kh8 377. Kg2 Kg8 378.
Bb1 Kh8 379. Bc2 Kg8 380. Bg6 Kh8 381. Be4 Kg8 382. Kf2 Kf7 383. Bf5 Kg8
384. Ke2 Kf7 385. h7 Kg7 386. Bd3 Kh8 387. Kd2 Kg7 388. Bf5 Kh8 389. Ke3
Kg7 390. Kd3 Kh8 391. Kd2 Kg7 392. Bd3 Kh8 393. Kc3 Kg7 394. Bf5 Kh8 395.
Kb2 Kg7 396. Bd3 Kh8 397. Kc3 Kg7 398. Kb2 Kh8 399. Be4 Kg7 400. Kc2 Kh8
401. Kb1 Kg7 402. Kc2 Kh8 403. Kb1 Kg7 404. Kc1 Kh8 405. Bf5 Kg7 406. Kd2
Kh8 407. Ke2 Kg7 408. Kd3 Kh8 409. Ke3 Kg7 410. Bc2 Kh8 411. Ke2 Kg7 412.
Bd3 Kh8 413. Kf3 Kg7 414. Kf2 Kh8 415. Bb1 Kg7 416. Kg2 Kh8 417. Bg6 Kg7
418. Kh2 Kh8 419. Bf5 Kg7 420. Kg3 Kh8 421. Be4 Kg7 422. Bd3 Kh8 423. Kg2
Kg7 424. Kf2 Kh8 425. Kg3 Kg7 426. Kf3 Kh8 427. Ke3 Kg7 428. Kf4 Kh8 429.
Bg6 Kg7 430. Ke4 Kh8 431. Kd3 Kg7 432. Kd4 Kh8 433. Ke3 Kg7 434. Bd3 Kh8
435. Bg6 {50 moves rule} *[/pgn]
Oh well because of Engines like these, Ethereal, Berserk, Koivistos, and SlowChess I will start using 5-6 pieces EGTB, even if it is to see EGTB solving endings that Today's top 8 engines besides Stockfish, Lela ,and Komodo Dagon can NOT solve by themselves.
[fen]8/8/8/5bk1/8/5B2/6PP/5K2 b - - 0 1 [/fen]
AndrewGrant
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Full name: Andrew Grant

Re: Ethereal Does NOT Recognize 3 Fold Repetitions

Post by AndrewGrant »

Its a drawn position, yes? So your issue is that Ethereal reports a non 0 score? Cosmetic patches could be applied to get you the output you want, but it is of no playing strength value, so I have no interest.

Ethereal _clearly_ understands the three fold. That is how Ethereal manages to _actively_ avoid it for hundreds of moves while you refuse to adjudicate via TB.

And if you want to have the human argument, the position is > 0 because white has winning odds and black does not. An MCTS engine would not score this as drawn, for good reason.
Chessqueen
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Re: Ethereal Does NOT Recognize 3 Fold Repetitions

Post by Chessqueen »

AndrewGrant wrote: Wed Jun 22, 2022 8:30 pm Its a drawn position, yes? So your issue is that Ethereal reports a non 0 score? Cosmetic patches could be applied to get you the output you want, but it is of no playing strength value, so I have no interest.

Ethereal _clearly_ understands the three fold. That is how Ethereal manages to _actively_ avoid it for hundreds of moves while you refuse to adjudicate via TB.

And if you want to have the human argument, the position is > 0 because white has winning odds and black does not. An MCTS engine would not score this as drawn, for good reason.
The reason why it is of no playing strength value is because every testers use the 5-6 pieces EGTB, but Ethereal without EGTB will lose the game. The real point is that Ethereal without using EGTB does not even consider the ...Bh3! Bishop Sac with this position, and and it ., instead of drawing the game. Where is your comment saying Very insightful, Thanks for this, I will work on this, thanks for letting me know. :roll:
[pgn][Event "Computer chess game"]
[Site "DESKTOP-OFQ3C0P"]
[Date "2022.06.22"]
[Round "?"]
[White "Ethereal-avx2"]
[Result "1-0"]
[BlackElo "3475"]
[Time "12:14:11"]
[TimeControl "180+2"]
[SetUp "1"]
[FEN "8/8/8/5bk1/8/5B2/6PP/5K2 b - - 0 1"]
[Termination "unterminated"]
[PlyCount "1"]
[WhiteType "program"]
[BlackType "program"]

1. ... Kh4 {-6.29/40 58} *[/pgn]
Last edited by Chessqueen on Wed Jun 22, 2022 10:27 pm, edited 5 times in total.
Chessqueen
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Re: Ethereal Does NOT Recognize 3 Fold Repetitions

Post by Chessqueen »

This is the correct move played by Komodo Dragon and also Stockfish, none of them need 5-6 pieces endgame help, since they both have great endgame knowledge. :roll:
[pgn][Event "Computer chess game"]
[Site "DESKTOP-OFQ3C0P"]
[Date "2022.06.22"]
[Round "?"]
[Black "Dragon-2.6.1-64bit-avx2"]
[Result "1/2-1/2"]
[BlackElo "3550"]
[Time "15:16:23"]
[TimeControl "180+2"]
[SetUp "1"]
[FEN "8/8/8/5bk1/8/5B2/6PP/5K2 b - - 0 1"]
[Termination "unterminated"]
[PlyCount "1"]
[WhiteType "program"]
[BlackType "program"]

1. ... Bh3 {(Bf5-h3 g2xh3) -2.38/31 14} *[/pgn]
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hgm
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Re: Ethereal Does NOT Recognize 3 Fold Repetitions

Post by hgm »

Chessqueen wrote: Wed Jun 22, 2022 2:20 pm There is a BUG in Ethereal,it Does NOT recognize 3 fold repetitions and it keep on playing, it is impossible for this ending after the 3rd move Bishop Sacrifice 3. Kxf1 Bh3! which I forced it into Ethereal, since it does not finds it without EGTB for the game to last over 250 moves WOW a whipping 435 MOVES there must be a BUG or in the ARENA 3.5.1 GUI :roll:
Etherial is a UCI engine, right? And UCI does not allow engines to claim draws of any kind. So it is not a bug of the engine, it is a bug of UCI. Unless you consider it a bug that the engine uses UCI rather than CECP.
Guenther
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Re: Ethereal Does NOT Recognize 3 Fold Repetitions

Post by Guenther »

hgm wrote: Thu Jun 23, 2022 10:10 am
Chessqueen wrote: Wed Jun 22, 2022 2:20 pm There is a BUG in Ethereal,it Does NOT recognize 3 fold repetitions and it keep on playing, it is impossible for this ending after the 3rd move Bishop Sacrifice 3. Kxf1 Bh3! which I forced it into Ethereal, since it does not finds it without EGTB for the game to last over 250 moves WOW a whipping 435 MOVES there must be a BUG or in the ARENA 3.5.1 GUI :roll:
Etherial is a UCI engine, right? And UCI does not allow engines to claim draws of any kind. So it is not a bug of the engine, it is a bug of UCI. Unless you consider it a bug that the engine uses UCI rather than CECP.
Who says there was any 3 time repetition at all? Only chessqueen so far...
https://rwbc-chess.de

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Norm Pollock
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Re: Ethereal Does NOT Recognize 3 Fold Repetitions

Post by Norm Pollock »

I was not able to find any 3-fold repetition in the original pgn using my tools (40H-EPD). I am posting a usable form of the original pgn so that others can try to find a 3-fold repetition.

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "1"]
[White "?"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "r7/8/8/5bk1/8/5B2/5RPP/6K1 b - - 0 1"]

1... Ra1 2. Rf1 Rxf1 3. Kxf1 Bh3 4. gxh3 Kf5 5. Kg2 Ke5 6. Be2 Kf5
7. Kf2 Kf6 8. Bb5 Kg6 9. Ba6 Kf6 10. Bc4 Kg7 11. Bd3 Kf6 12. Kf1 Kg7
13. Ke1 Kg8 14. Kf2 Kg7 15. Ke1 Kg8 16. Bb1 Kg7 17. Bc2 Kg8 18. Kf2 Kg7
19. Bd3 Kf6 20. Bh7 Kg7 21. Be4 Kf6 22. Ke2 Kg7 23. Kd2 Kg8 24. Bg6 Kg7
25. Bb1 Kg8 26. Bc2 Kf8 27. Bb3 Ke7 28. Ke3 Ke8 29. Ba4 Kd8 30. Kd4 Ke7
31. Kc3 Kd8 32. Bd1 Kd7 33. Bg4 Kd6 34. Kb3 Kc5 35. Bd1 Kd6 36. Ka2 Ke7
37. Bg4 Kd8 38. Bh5 Kc7 39. Bd1 Kd6 40. Ka1 Kc7 41. Kb1 Kd7 42. Kb2 Kc8
43. Bg4 Kc7 44. Be6 Kc6 45. Kc2 Kc5 46. Kd1 Kc6 47. Bf5 Kc5 48. Kc1 Kd5
49. h4 Ke5 50. Bc2 Kf6 51. Kb2 Ke7 52. Be4 Kf8 53. Kc3 Kg7 54. Bc6 Kf7
55. Kc4 Kg7 56. Bb5 Kg8 57. Kc5 Kg7 58. Kd6 Kg8 59. Ba4 Kg7 60. Ke6 Kh6
61. Be8 Kg7 62. Bh5 Kg8 63. Ke5 Kh7 64. Kf4 Kg7 65. Bf3 Kf7 66. Be4 Kf6
67. Kg4 Kg7 68. Bf5 Kf6 69. Be4 Kg7 70. Kg5 Kf7 71. h5 Kg7 72. Kf4 Kh6
73. Bg6 Kg7 74. Ke5 Kf8 75. Ke6 Kg8 76. Bf5 Kg7 77. h6 Kh8 78. Ke5 Kg8
79. Kf4 Kh8 80. Bg4 Kh7 81. Kg5 Kh8 82. Bf5 Kg8 83. Kh4 Kh8 84. Kg3 Kg8
85. Kg4 Kh8 86. Kg3 Kg8 87. Bb1 Kh8 88. Be4 Kg8 89. Bg6 Kh8 90. Kf4 Kg8
91. Kg4 Kh8 92. Kf4 Kg8 93. Bb1 Kh8 94. Bd3 Kg8 95. Ke5 Kh8 96. Kf4 Kg8
97. Kf3 Kh8 98. Be4 Kg8 99. Bf5 Kh8 100. Kg2 Kg8 101. Be4 Kh8 102. Kh1 Kg8
103. Bb1 Kh8 104. Bf5 Kg8 105. Kg1 Kh8 106. Bg6 Kg8 107. Kg2 Kh8
108. Bb1 Kg8 109. Kg1 Kh8 110. Bc2 Kg8 111. Kg2 Kh8 112. Kg3 Kg8
113. Kf4 Kh8 114. Bf5 Kg8 115. Bb1 Kh8 116. Bc2 Kg8 117. Kg5 Kh8
118. Bb1 Kg8 119. Bd3 Kh8 120. Kg4 Kg8 121. Be4 Kh8 122. h3 Kg8
123. Bb1 Kh8 124. Bd3 Kg8 125. Kg5 Kh8 126. Bc4 Kh7 127. Bd3 Kg8
128. Kg4 Kh8 129. Bf5 Kg8 130. Bg6 Kh8 131. Bf5 Kg8 132. Be6 Kh8
133. Kg5 Kh7 134. Bb3 Kh8 135. Bc2 Kg8 136. Bb1 Kh8 137. Bg6 Kg8
138. Bf5 Kh8 139. Bg6 Kg8 140. Bb1 Kh8 141. Kh5 Kg8 142. Kh4 Kh8
143. Be4 Kg8 144. Bd5 Kh7 145. Kh5 Kh8 146. Kg5 Kh7 147. Bb3 Kh8
148. Bc2 Kg8 149. Bg6 Kh8 150. Kf5 Kg8 151. Kg5 Kh8 152. Kf6 Kg8
153. Bb1 Kh8 154. Kg6 Kg8 155. Kh5 Kh8 156. Kg5 Kg8 157. Kg6 Kh8
158. Bd3 Kg8 159. Bc4 Kh8 160. Kf6 Kh7 161. Kf7 Kh8 162. Kf6 Kh7
163. Bd5 Kh8 164. Be4 Kg8 165. Bd5 Kh7 166. Bf3 Kh8 167. Kg6 Kg8
168. Bd5 Kh8 169. Be4 Kg8 170. h4 Kh8 171. Kg5 Kg8 172. Kg6 Kh8
173. Bf5 Kg8 174. Kg5 Kh8 175. Be4 Kg8 176. Bc2 Kh8 177. Bb3 Kh7
178. Be6 Kh8 179. Bf7 Kh7 180. Be6 Kh8 181. Bf5 Kg8 182. Kg6 Kh8
183. Bg4 Kg8 184. Bf3 Kh8 185. Bb7 Kg8 186. Bc8 Kh8 187. Bg4 Kg8
188. Bh5 Kh8 189. Be2 Kg8 190. Bc4 Kh8 191. Bf1 Kg8 192. Be2 Kh8
193. Bd3 Kg8 194. Bf5 Kh8 195. Kf6 Kg8 196. Be4 Kh8 197. Bd3 Kg8
198. Kg5 Kh8 199. h5 Kg8 200. Bf5 Kh8 201. Bd3 Kg8 202. Kf4 Kh8
203. Be4 Kg8 204. Bg6 Kh8 205. Kg5 Kg8 206. Be4 Kh8 207. Bf5 Kg8
208. Bg6 Kh8 209. Bc2 Kg8 210. Be4 Kh8 211. Bc2 Kg8 212. Bg6 Kh8
213. Kh4 Kg8 214. Be4 Kh8 215. Bc6 Kh7 216. Kg5 Kh8 217. Bg2 Kg8
218. Bf3 Kh8 219. Bb7 Kg8 220. Bf3 Kh8 221. Be4 Kg8 222. Bb1 Kh8
223. Ba2 Kh7 224. Bd5 Kh8 225. Bb3 Kh7 226. Bf7 Kh8 227. Bd5 Kh7
228. Ba2 Kh8 229. Bb3 Kh7 230. Bc4 Kh8 231. Bd5 Kh7 232. Be6 Kh8
233. Bf5 Kg8 234. Kf4 Kh8 235. Bd3 Kg8 236. Be4 Kh8 237. Bg6 Kg8
238. Ke3 Kh8 239. Bd3 Kg8 240. Kf3 Kh8 241. Bf5 Kg8 242. Kf4 Kh8
243. Kg4 Kg8 244. Bb1 Kh8 245. Bd3 Kg8 246. Kg5 Kh8 247. Kg4 Kg8
248. Kg5 Kh8 249. h7 Kg7 250. Bg6 Kh8 251. Kf5 Kg7 252. Kf4 Kh8
253. Ke5 Kg7 254. Ke4 Kh8 255. Kd3 Kg7 256. Ke4 Kh8 257. Kf3 Kg7
258. Ke3 Kh8 259. Bd3 Kg7 260. Bf5 Kh8 261. Bd3 Kg7 262. Kf3 Kh8
263. Kg4 Kg7 264. Bg6 Kh8 265. Kg3 Kg7 266. Kg4 Kh8 267. Bf5 Kg7
268. Bc2 Kh8 269. Bg6 Kg7 270. Kf5 Kh8 271. Kg5 Kg7 272. Bf5 Kh8
273. Bd3 Kg7 274. Bf5 Kh8 275. Kf4 Kg7 276. Bc2 Kh8 277. Kf3 Kg7
278. Kg3 Kh8 279. Bf5 Kg7 280. Bc2 Kh8 281. Bg6 Kg7 282. Kf4 Kh8
283. Kg4 Kg7 284. Bf5 Kh8 285. Kg3 Kg7 286. Be4 Kh8 287. Kg2 Kg7
288. Kf3 Kh8 289. Ke2 Kg7 290. Ke3 Kh8 291. Bc2 Kg7 292. Kf4 Kh8
293. Bd3 Kg7 294. Kg5 Kh8 295. Bc4 Kxh7 296. Bd3 Kh8 297. Kh6 Kg8
298. Bc4 Kh8 299. Bd3 Kg8 300. Bc4 Kh8 301. Be2 Kg8 302. Kg6 Kh8
303. Bb5 Kg8 304. Ba4 Kh8 305. Kh6 Kg8 306. Bc2 Kh8 307. Be4 Kg8
308. Bh7 Kh8 309. Bg6 Kg8 310. Bc2 Kh8 311. Kg5 Kg8 312. Kf4 Kf7
313. Kg3 Kg7 314. Ba4 Kf6 315. Kg4 Kg7 316. Bc2 Kg8 317. Kf4 Kf7
318. Kg5 Kg8 319. Bd3 Kf7 320. Bc4 Kg7 321. Bd5 Kh8 322. Bc6 Kh7
323. Bb5 Kg8 324. Be8 Kh7 325. Bc6 Kh8 326. Kg6 Kg8 327. Bd5 Kh8
328. Bb7 Kg8 329. Bh1 Kh8 330. Kh6 Kg8 331. Bb7 Kh8 332. Bc8 Kg8
333. Kg6 Kh8 334. Kf5 Kh7 335. Kg5 Kg7 336. Kf4 Kf8 337. Bd7 Kf7
338. Bc6 Kf6 339. Bb5 Ke7 340. Bd3 Kf7 341. h6 Kg8 342. Kg5 Kh8
343. Kg6 Kg8 344. Be4 Kh8 345. Kh5 Kg8 346. Bg6 Kh8 347. Bc2 Kg8
348. Kg5 Kh8 349. Kg4 Kg8 350. Bb1 Kh8 351. Kf3 Kg8 352. Kg4 Kh8
353. Be4 Kg8 354. Kg3 Kh8 355. Kh4 Kg8 356. Bd3 Kh8 357. Kh5 Kg8
358. Kh4 Kh8 359. Kh3 Kg8 360. Bc2 Kh8 361. Bg6 Kg8 362. Bf5 Kh8
363. Kh4 Kg8 364. Kg4 Kh8 365. Bg6 Kg8 366. Bf5 Kh8 367. Bg6 Kg8
368. Kf5 Kh8 369. Kf4 Kg8 370. Kg3 Kh8 371. Be4 Kg8 372. Bg6 Kh8
373. Be4 Kg8 374. Bd3 Kh8 375. Bf5 Kg8 376. Bd3 Kh8 377. Kg2 Kg8
378. Bb1 Kh8 379. Bc2 Kg8 380. Bg6 Kh8 381. Be4 Kg8 382. Kf2 Kf7
383. Bf5 Kg8 384. Ke2 Kf7 385. h7 Kg7 386. Bd3 Kh8 387. Kd2 Kg7
388. Bf5 Kh8 389. Ke3 Kg7 390. Kd3 Kh8 391. Kd2 Kg7 392. Bd3 Kh8
393. Kc3 Kg7 394. Bf5 Kh8 395. Kb2 Kg7 396. Bd3 Kh8 397. Kc3 Kg7
398. Kb2 Kh8 399. Be4 Kg7 400. Kc2 Kh8 401. Kb1 Kg7 402. Kc2 Kh8
403. Kb1 Kg7 404. Kc1 Kh8 405. Bf5 Kg7 406. Kd2 Kh8 407. Ke2 Kg7
408. Kd3 Kh8 409. Ke3 Kg7 410. Bc2 Kh8 411. Ke2 Kg7 412. Bd3 Kh8
413. Kf3 Kg7 414. Kf2 Kh8 415. Bb1 Kg7 416. Kg2 Kh8 417. Bg6 Kg7
418. Kh2 Kh8 419. Bf5 Kg7 420. Kg3 Kh8 421. Be4 Kg7 422. Bd3 Kh8
423. Kg2 Kg7 424. Kf2 Kh8 425. Kg3 Kg7 426. Kf3 Kh8 427. Ke3 Kg7
428. Kf4 Kh8 429. Bg6 Kg7 430. Ke4 Kh8 431. Kd3 Kg7 432. Kd4 Kh8
433. Ke3 Kg7 434. Bd3 Kh8 435. Bg6 *
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Guenther
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Re: Ethereal Does NOT Recognize 3 Fold Repetitions

Post by Guenther »

Norm Pollock wrote: Thu Jun 23, 2022 3:58 pm I was not able to find any 3-fold repetition in the original pgn using my tools (40H-EPD). I am posting a usable form of the original pgn so that others can try to find a 3-fold repetition.

...
My result was the same.

I even made some visible sheet, which shows two and three-folded positions (also note the side to move!),
after I transformed the pgn into epds with pgn-extract for all plie,s as I didn't remember any tools which would output
all repetitions (two/three/side to move same/not the same etc)

The result was that 6 times there happened positions three folded, but never with three times the same side to move...
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