Mr. Larry Kaufman. Mr. Naphthalin. Attention. Mr. Uri Blass. Respected Sirs.

Discussion of anything and everything relating to chess playing software and machines.

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Father
Posts: 1887
Joined: Sun Mar 19, 2006 4:39 am
Location: Colombia
Full name: Pablo Ignacio Restrepo

Re: Mr. Larry Kaufman. Mr. Naphthalin. Attention. Mr. Uri Blass. Respected Sirs.

Post by Father »

lkaufman wrote: Thu Sep 18, 2025 5:33 pm
Father wrote: Wed Sep 17, 2025 12:11 am
The day the machines went rogue... a victory of mine is snatched away...
Don't blame the "machines"; it is a long-standing LiChess rule (for all games) that 300 moves results in a draw. If you play chess on LiChess against anyone, you should keep this rule in mind. It isn't a FIDE rule, but online play does have its own rules, which differ sometimes from FIDE rules, and even differ among servers (for example, if time runs out and you have for example N vs N only, I believe chess.com calls it a draw and LiChess calls it a loss).
Good morning, Mr. Larry Kaufman. I really like chess machines. They're my friends, they're fun, and I love the psychological profile of machines. All this is so real that the teachings of the great World Champion Emanuel Lasker are equally relevant in the technological world today. It's also a psychological battle of great depth. Here's another control machine, the Lichess machine, and look, Mr. Larry Kaufman, how I've managed to surpass the line of 300 moves to 301. I have a question... Between humans, can White win this endgame? Thanks again.

[pgn] Event "casual bullet game"]
[Site "https://lichess.org/JGg6It86"]
[Date "2025.09.18"]
[White "Catecan"]
[Black "LeelaQueenOdds"]
[Result "1/2-1/2"]
[GameId "JGg6It86"]
[UTCDate "2025.09.18"]
[UTCTime "15:40:26"]
[WhiteElo "2022"]
[BlackElo "2000"]
[BlackTitle "BOT"]
[Variant "From Position"]
[TimeControl "60+1"]
[ECO "?"]
[Opening "?"]
[Termination "Normal"]
[FEN "rnb1kbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"]
[SetUp "1"]
[Annotator "lichess.org"]

1. d4 d6 2. f4 g6 3. e3 b6 4. Nf3 Bb7 5. c3 e6 6. Bd3 f5 7. Qe2 Nf6 8. O-O h6 9. Nbd2 Rg8 10. a3 Ne4 11. g3 Be7 12. Kh1 a6 13. Rg1 g5 14. Rg2 Nd7 15. Nf1 Ndf6 16. Bd2 g4 17. Nh4 Kf7 18. Be1 d5 19. Rc1 b5 20. b4 Nd6 21. Ra1 a5 22. Qa2 a4 23. Qc2 Bc6 24. Kg1 Rg7 25. Kh1 Ke8 26. Kg1 Kd7 27. Kh1 Kc8 28. Kg1 Kb7 29. Kh1 Rag8 30. Kg1 Nfe8 31. Kh1 Ka7 32. Kg1 Bd8 33. Kh1 Be7 34. Kg1 h5 35. Kh1 Ba8 36. Kg1 Bb7 37. Kh1 Ba8 38. Kg1 Bc6 39. Kh1 Rf7 40. Kg1 Rh7 41. Kh1 Rh6 42. Kg1 Nc8 43. Qe2 Ncd6 44. Kh1 Rh7 45. Kg1 Rf7 46. Kh1 Kb6 47. Kg1 Ka6 48. Kh1 Nc8 49. Kg1 Ncd6 50. Kh1 Rfg7 51. Kg1 Bb7 52. Kh1 Rh7 53. Kg1 Rhg7 54. Kh1 Rf8 55. Kg1 Bf6 56. Kh1 Bd8 57. Kg1 Ba8 58. Kh1 Nf6 59. Qc2 Kb6 60. Re2 Nde8 61. Kg1 Rh8 62. Kh1 Rh6 63. Kg1 Nd6 64. Kh1 Nfe8 65. Kg1 Bc6 66. Kh1 Be7 67. Kg1 Ka7 68. Kh1 Rh8 69. Kg1 Rhg8 70. Kh1 Ba8 71. Kg1 c6 72. Kh1 Nf6 73. Kg1 Bb7 74. Kh1 Bf8 75. Kg1 Bc8 76. Kh1 Bd7 77. Kg1 Be8 78. Kh1 Bd7 79. Kg1 Rf7 80. Kh1 Kb6 81. Kg1 Be7 82. Kh1 Be8 83. Kg1 Rff8 84. Kh1 Rg7 85. Kg1 Bf7 86. Kh1 Bg8 87. Kg1 Ra8 88. Kh1 Rh7 89. Kg1 Bf7 90. Kh1 Rh6 91. Kg1 Bg8 92. Kh1 Ka6 93. Kg1 Bf7 94. Kh1 Bg8 95. Kg1 Nfe8 96. Kh1 Bf7 97. Kg1 Bd8 98. Kh1 Bg8 99. Kg1 Ra7 100. Kh1 Nf6 101. Kg1 Rc7 102. Kh1 Nfe8 103. Kg1 Kb6 104. Kh1 Be7 105. Kg1 Rb7 106. Kh1 Nf6 107. Kg1 Nfe4 108. Kh1 Rb8 109. Kg1 Rd8 110. Kh1 Ra8 111. Kg1 Rf8 112. Kh1 Bf6 113. Kg1 Ra8 114. Kh1 Ra7 115. Kg1 Be7 116. Kh1 Bxh4 117. gxh4 Nf6 118. Kg1 Bf7 119. Kh1 Rg6 120. Kg1 Re7 121. Kh1 Rg8 122. Kg1 Be8 123. Kh1 Rgg7 124. Kg1 Rb7 125. Kh1 Rbc7 126. Kg1 Rb7 127. Kh1 Bf7 128. Kg1 Kc7 129. Kh1 Kd8 130. Kg1 Ke7 131. Kh1 Bg8 132. Kg1 Bf7 133. Kh1 Nfe8 134. Kg1 Rg6 135. Kh1 Nf6 136. Kg1 Be8 137. Kh1 Kd7 138. Kg1 Rg7 139. Kh1 Kd8 140. Nd2 Bg6 141. Kg1 Nd7 142. Kh1 Rf7 143. Kg1 Nb6 144. Kh1 Rf8 145. Kg1 Nbc8 146. Kh1 Kc7 147. Kg1 Nb6 148. Kh1 Kd7 149. Kg1 Bh7 150. Kh1 Nbc8 151. Kg1 Bg8 152. Kh1 Ke8 153. Kg1 Ke7 154. Kg2 Rf7 155. Kg1 Kd8 156. Kh1 Rfe7 157. Kg1 Rec7 158. Kg2 Nb6 159. Kg1 Rf7 160. Kg2 Ke7 161. Kg1 Kf6 162. Kg2 Kg6 163. Kg1 Rf6 164. Kg2 Kh6 165. Kg1 Nbc4 166. Kh1 Nxd2 167. Qxd2 Bh7 168. Qc2 Rf8 169. Kg1 Rg7 170. Kh1 Kg6 171. Kg1 Kf6 172. Kh1 Rff7 173. Kg1 Ke7 174. Kh1 Kf6 175. Kg1 Rb7 176. Kh1 Bg6 177. Kg1 Bf7 178. Kh1 Bg6 179. Kg1 Bh7 180. Kh1 Ke7 181. Kg1 Bg8 182. Kh1 Bf7 183. Kg1 Rh7 184. Kh1 Rb8 185. Kg1 Rd8 186. Kh1 Bg8 187. Kg1 Rg7 188. Kh1 Bh7 189. Kg1 Rf7 190. Kh1 Bg6 191. Kg1 Rg8 192. Kh1 Rd8 193. Kg1 Rd7 194. Kh1 Ke8 195. Kg1 Rde7 196. Kh1 Rd7 197. Kg1 Kd8 198. Kh1 Ke7 199. Kg1 Rc7 200. Kh1 Rb7 201. Kg1 Ke8 202. Kh1 Rfd7 203. Kg1 Rdc7 204. Kh1 Kf8 205. Kg1 Rf7 206. Kh1 Ke8 207. Kg1 Rbc7 208. Kh1 Kd7 209. Kg1 Rb7 210. Kh1 Rc7 211. Kg1 Ke7 212. Kh1 Ra7 213. Kg1 Ra8 214. Kh1 Ra7 215. Kg1 g3 216. Bxg3 Ra8 217. Rg2 Rh7 218. Kh1 Rh6 219. Rag1 Bf7 220. Qe2 Rah8 221. Be1 Kf8 222. Rg5 Rf6 223. Qd1 Ke7 224. Be2 Rfh6 225. Rg7 Ne8 226. R7g5 Nd6 227. Bf2 Kf6 228. Bd3 Ke7 229. R1g2 Kf6 230. Qg1 Rc8 231. Rg8 Ne8 232. R2g7 Ke7 233. Rxf7+ Kxf7 234. Qg5 Rf6 235. Rh8 Rg6 236. Qxh5 Nd6 237. Rxc8 Nxc8 238. Bg3 Nd6 239. Kg2 Ne8 240. Kh3 Nf6 241. Qf3 Rh6 242. Kg2 Rh7 243. Kf2 Rh6 244. h3 Rh5 245. Kg2 Rh7 246. Kh2 Kg7 247. Be1 Kf7 248. Be2 Ne4 249. h5 Rh8 250. h4 Rh7 251. Kh3 Rh8 252. Qg2 Rg8 253. Bg3 Kg7 254. Be1+ Kh7 255. Qxg8+ Kxg8 256. Bf3 Nd6 257. Be2 Kh7 258. Kh2 Nf7 259. Kh3 Nd6 260. Kh2 Nf7 261. Kh3 Kh8 262. Kh2 Kg8 263. Kh3 Kh7 264. Kh2 Kh8 265. Kh3 Kg7 266. Kh2 Kg8 267. Kh3 Kf8 268. Kh2 Kg7 269. Kh3 Kh7 270. Kh2 Nd6 271. Kh3 Nb7 272. Kh2 Kg8 273. Kh3 Kg7 274. Kh2 Kg8 275. Kh3 Kg7 276. Kh2 Kh8 277. Kh3 Kg8 278. Kh2 Kg7 279. Kh3 Nd8 280. Kh2 Kf6 281. Kh3 Kg7 282. Kh2 Nb7 283. Kh3 Nd6 284. Kh2 Ne4 285. Kh3 Kh6 286. Kh2 Kg7 287. Kh3 Nd6 288. Kh2 Kh7 289. Kh3 Kg8 290. Kh2 Ne4 291. Kh3 Kh8 292. Kh2 Kg8 293. Kh3 Nd6 294. Kh2 Kf7 295. Kh3 Kf8 296. Kh2 Ke8 297. Kh3 Kf7 298. Kh2 Kf8 299. Kh3 Kf7 300. Kh2 Kg8 { The game is a draw. } 1/2-1/2[/pgn]
I am thinking chess is in a coin.Human beings for ever playing in one face.Now I am playing in the other face:"Antichess". Computers are as a fortres where owner forgot to close a little door behind. You must enter across this door.Forget the front.
OliverBr
Posts: 846
Joined: Tue Dec 18, 2007 9:38 pm
Location: Munich, Germany
Full name: Dr. Oliver Brausch

Re: Mr. Larry Kaufman. Mr. Naphthalin. Attention. Mr. Uri Blass. Respected Sirs.

Post by OliverBr »

Father wrote: Thu Sep 18, 2025 6:01 pm I have a question... Between humans, can White win this endgame? Thanks again.
It's not between humans, but a small, minimalistic engine (1700 lines of code) like OliThink needs 28 moves against Stockfish, one of the bishops eating all those black pawns in Pac-Man style.

[pgn][Event "Computer Chess Game"]
[Site "OliversMacBook3.fritz.box"]
[Date "2025.09.18"]
[Round "-"]
[White "OliThink 5.11.9"]
[Black "Stockfish 15.1"]
[Result "1-0"]
[TimeControl "40/180"]
[FEN "rnb1kbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"]
[SetUp "1"]

{--------------
r n b . k b n r
p p p p p p p p
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
P P P P P P P P
R N B Q K B N R
white to play
--------------}
1. d4 d6 2. f4 g6 3. e3 b6 4. Nf3 Bb7 5. c3 e6 6. Bd3 f5 7. Qe2 Nf6 8. O-O
h6 9. Nbd2 Rg8 10. a3 Ne4 11. g3 Be7 12. Kh1 a6 13. Rg1 g5 14. Rg2 Nd7 15.
Nf1 Ndf6 16. Bd2 g4 17. Nh4 Kf7 18. Be1 d5 19. Rc1 b5 20. b4 Nd6 21. Ra1 a5
22. Qa2 a4 23. Qc2 Bc6 24. Kg1 Rg7 25. Kh1 Ke8 26. Kg1 Kd7 27. Kh1 Kc8 28.
Kg1 Kb7 29. Kh1 Rag8 30. Kg1 Nfe8 31. Kh1 Ka7 32. Kg1 Bd8 33. Kh1 Be7 34.
Kg1 h5 35. Kh1 Ba8 36. Kg1 Bb7 37. Kh1 Ba8 38. Kg1 Bc6 39. Kh1 Rf7 40. Kg1
Rh7 41. Kh1 Rh6 42. Kg1 Nc8 43. Qe2 Ncd6 44. Kh1 Rh7 45. Kg1 Rf7 46. Kh1
Kb6 47. Kg1 Ka6 48. Kh1 Nc8 49. Kg1 Ncd6 50. Kh1 Rfg7 51. Kg1 Bb7 52. Kh1
Rh7 53. Kg1 Rhg7 54. Kh1 Rf8 55. Kg1 Bf6 56. Kh1 Bd8 57. Kg1 Ba8 58. Kh1
Nf6 59. Qc2 Kb6 60. Re2 Nde8 61. Kg1 Rh8 62. Kh1 Rh6 63. Kg1 Nd6 64. Kh1
Nfe8 65. Kg1 Bc6 66. Kh1 Be7 67. Kg1 Ka7 68. Kh1 Rh8 69. Kg1 Rhg8 70. Kh1
Ba8 71. Kg1 c6 72. Kh1 Nf6 73. Kg1 Bb7 74. Kh1 Bf8 75. Kg1 Bc8 76. Kh1 Bd7
77. Kg1 Be8 78. Kh1 Bd7 79. Kg1 Rf7 80. Kh1 Kb6 81. Kg1 Be7 82. Kh1 Be8 83.
Kg1 Rff8 84. Kh1 Rg7 85. Kg1 Bf7 86. Kh1 Bg8 87. Kg1 Ra8 88. Kh1 Rh7 89.
Kg1 Bf7 90. Kh1 Rh6 91. Kg1 Bg8 92. Kh1 Ka6 93. Kg1 Bf7 94. Kh1 Bg8 95. Kg1
Nfe8 96. Kh1 Bf7 97. Kg1 Bd8 98. Kh1 Bg8 99. Kg1 Ra7 100. Kh1 Nf6 101. Kg1
Rc7 102. Kh1 Nfe8 103. Kg1 Kb6 104. Kh1 Be7 105. Kg1 Rb7 106. Kh1 Nf6 107.
Kg1 Nfe4 108. Kh1 Rb8 109. Kg1 Rd8 110. Kh1 Ra8 111. Kg1 Rf8 112. Kh1 Bf6
113. Kg1 Ra8 114. Kh1 Ra7 115. Kg1 Be7 116. Kh1 Bxh4 117. gxh4 Nf6 118. Kg1
Bf7 119. Kh1 Rg6 120. Kg1 Re7 121. Kh1 Rg8 122. Kg1 Be8 123. Kh1 Rgg7 124.
Kg1 Rb7 125. Kh1 Rbc7 126. Kg1 Rb7 127. Kh1 Bf7 128. Kg1 Kc7 129. Kh1 Kd8
130. Kg1 Ke7 131. Kh1 Bg8 132. Kg1 Bf7 133. Kh1 Nfe8 134. Kg1 Rg6 135. Kh1
Nf6 136. Kg1 Be8 137. Kh1 Kd7 138. Kg1 Rg7 139. Kh1 Kd8 140. Nd2 Bg6 141.
Kg1 Nd7 142. Kh1 Rf7 143. Kg1 Nb6 144. Kh1 Rf8 145. Kg1 Nbc8 146. Kh1 Kc7
147. Kg1 Nb6 148. Kh1 Kd7 149. Kg1 Bh7 150. Kh1 Nbc8 151. Kg1 Bg8 152. Kh1
Ke8 153. Kg1 Ke7 154. Kg2 Rf7 155. Kg1 Kd8 156. Kh1 Rfe7 157. Kg1 Rec7 158.
Kg2 Nb6 159. Kg1 Rf7 160. Kg2 Ke7 161. Kg1 Kf6 162. Kg2 Kg6 163. Kg1 Rf6
164. Kg2 Kh6 165. Kg1 Nbc4 166. Kh1 Nxd2 167. Qxd2 Bh7 168. Qc2 Rf8 169.
Kg1 Rg7 170. Kh1 Kg6 171. Kg1 Kf6 172. Kh1 Rff7 173. Kg1 Ke7 174. Kh1 Kf6
175. Kg1 Rb7 176. Kh1 Bg6 177. Kg1 Bf7 178. Kh1 Bg6 179. Kg1 Bh7 180. Kh1
Ke7 181. Kg1 Bg8 182. Kh1 Bf7 183. Kg1 Rh7 184. Kh1 Rb8 185. Kg1 Rd8 186.
Kh1 Bg8 187. Kg1 Rg7 188. Kh1 Bh7 189. Kg1 Rf7 190. Kh1 Bg6 191. Kg1 Rg8
192. Kh1 Rd8 193. Kg1 Rd7 194. Kh1 Ke8 195. Kg1 Rde7 196. Kh1 Rd7 197. Kg1
Kd8 198. Kh1 Ke7 199. Kg1 Rc7 200. Kh1 Rb7 201. Kg1 Ke8 202. Kh1 Rfd7 203.
Kg1 Rdc7 204. Kh1 Kf8 205. Kg1 Rf7 206. Kh1 Ke8 207. Kg1 Rbc7 208. Kh1 Kd7
209. Kg1 Rb7 210. Kh1 Rc7 211. Kg1 Ke7 212. Kh1 Ra7 213. Kg1 Ra8 214. Kh1
Ra7 215. Kg1 g3 216. Bxg3 Ra8 217. Rg2 Rh7 218. Kh1 Rh6 219. Rag1 Bf7 220.
Qe2 Rah8 221. Be1 Kf8 222. Rg5 Rf6 223. Qd1 Ke7 224. Be2 Rfh6 225. Rg7 Ne8
226. R7g5 Nd6 227. Bf2 Kf6 228. Bd3 Ke7 229. R1g2 Kf6 230. Qg1 Rc8 231. Rg8
Ne8 232. R2g7 Ke7 233. Rxf7+ Kxf7 234. Qg5 Rf6 235. Rh8 Rg6 236. Qxh5 Nd6
237. Rxc8 Nxc8 238. Bg3 Nd6 239. Kg2 Ne8 240. Kh3 Nf6 241. Qf3 Rh6 242. Kg2
Rh7 243. Kf2 Rh6 244. h3 Rh5 245. Kg2 Rh7 246. Kh2 Kg7 247. Be1 Kf7 248.
Be2 Ne4 249. h5 Rh8 250. h4 Rh7 251. Kh3 Rh8 252. Qg2 Rg8 253. Bg3 Kg7 254.
Be1+ Kh7 255. Qxg8+ Kxg8 256. Bf3 Nd6 257. Be2 Kh7 258. Kh2 Nf7 259. Kh3
Nd6 260. Kh2 Nf7 261. Kh3 Kh8 262. Kh2 Kg8 263. Kh3 Kh7 264. Kh2 Kh8 265.
Kh3 Kg7 266. Kh2 Kg8 267. Kh3 Kf8 268. Kh2 Kg7 269. Kh3 Kh7 270. Kh2 Nd6
271. Kh3 Nb7 272. Kh2 Kg8 273. Kh3 Kg7 274. Kh2 Kg8 275. Kh3 Kg7 276. Kh2
Kh8 277. Kh3 Kg8 278. Kh2 Kg7 279. Kh3 Nd8 280. Kh2 Kf6 281. Kh3 Kg7 282.
Kh2 Nb7 283. Kh3 Nd6 284. Kh2 Ne4 285. Kh3 Kh6 286. Kh2 Kg7 287. Kh3 Nd6
288. Kh2 Kh7 289. Kh3 Kg8 290. Kh2 Ne4 291. Kh3 Kh8 292. Kh2 Kg8 293. Kh3
Nd6 294. Kh2 Kf7 295. Kh3 Kf8 296. Kh2 Ke8 297. Kh3 Kf7 298. Kh2 Kf8 299.
Kh3 Kf7 300. Kh2 Kg8 301. Kg3 {+4.19/41 6} Nc8 {-5.94/38 2:24} 302. h6
{+6.55/37 5} Nd6 {-5.37/30 29} 303. h5 {+4.61/48 0.1} Kh7 {-5.47/26 6} 304.
Kh3 {+7.46/38 10} Ne4 {-5.38/20 1.2} 305. Bd3 {+7.60/38 6} Nf6
{-2.83/14 0.1} 306. Bh4 {+7.74/30 6} Ng4 {-6.96/24 0.1} 307. e4
{+9.93/31 7} dxe4 {-7.98/24 0.1} 308. Bxe4 {+12.78/30 9} Ne3 {-8.59/25 0.1}
309. Bxc6 {+13.02/30 9} Nd1 {-9.73/24 0.1} 310. Bxb5 {+15.06/29 8} Kxh6
{-10.93/23 0.1} 311. Bxa4 {+15.37/29 9} Ne3 {-13.94/22 0.1} 312. Bg5+
{+19.61/27 8} Kg7 {-40.08/34 0.1} 313. h6+ {+18.91/30 22} Kh7 {-5.48/1 0.1}
314. Bd7 {+23.59/26 10} Nc4 {-6.27/4 0.1} 315. Bxe6 {+31.10/27 7} Nd6
{-1000.18/32 0.1} 316. c4 {+25.36/26 8} Kg6 {-7.69/7 0.1} 317. c5
{+26.86/24 8} Ne4 {-1000.12/39 0.1} 318. h7 {+1000.19/22 14} Kg7
{-1000.08/71 0.1} 319. Bxf5 {+1000.15/19 9} Nf2+ {-32.86/7 0.1} 320. Kg3
{+1000.09/24 6} Nd1 {-1000.08/68 0.1} 321. Bf6+ {+1000.08/18 0.3} Kxf6
{-1000.07/92 23} 322. h8=Q+ {+1000.13/28 0.1} Kxf5 {-1000.06/160 19} 323.
Qe5+ {+1000.12/37 0.1} Kg6 {-1000.05/151 0.5} 324. f5+ {+1000.05/41 2.8}
Kf7 {-1000.04/245 0.1} 325. Qe6+ {+1000.04/53 4} Kf8 {-1000.03/245 0.1}
326. f6 {+1000.03/64 0.3} Nb2 {-1000.02/245 0.1} 327. Qe7+
{+1000.02/64 0.1} Kg8 {-1000.01/245 0.1} 328. Qg7# {+1000.01/64 0.1}
{Xboard adjudication: Checkmate} 1-0
[/pgn]

Maybe a human could it, too?
PS: Why is there a queen missing? I see, LeelaQueenOdds....
PPS: Leela without Queen has 470k wins vs. 64k losses? Amazing
PPPS: I will try that on LiChess my self. and now I get "I'm not willing to play this variant right now." w.t...?
OliThink GitHub: https://github.com/olithink
Nice arcticle about OlIThink: https://www.chessengeria.eu/post/olithink-oldie-goldie
Chess Engine OliThink Homepage: http://brausch.org/home/chess
User avatar
M ANSARI
Posts: 3726
Joined: Thu Mar 16, 2006 7:10 pm

Re: Mr. Larry Kaufman. Mr. Naphthalin. Attention. Mr. Uri Blass. Respected Sirs.

Post by M ANSARI »

When I play the Queen Odds bot, my games are usually tactical melees!!! I actually enjoy the games and find it very useful as it really makes you much more tactically aware than usual. You can build a totally winning position, but you still have to prove the win. I am happy to say I have moved down from 2m + 3s to 1m +3s and got several wins today at 1m +3s. I don't think I will ever be able to win at 1m + 0s or even 1m +1s as hardware is just way faster than a 60+ yr old mouse speed with slow ping. But today I had a win with over a minute left on my time so I think 1m +2s is maybe doable. There certainly is a learning curve, but really it is incredible how the bot is able to find so many defensive resources and can be so damn tricky. Even when in a totally winning endgame where you tend to relax ... before you know it you are in a forced stalemate! I think even experienced players can learn a lot from this. I still feel that sometimes the bot seems to be unbeatable ... but sometimes you can get 3 or 4 wins in a row and it seems like it is playing much weaker.
OliverBr
Posts: 846
Joined: Tue Dec 18, 2007 9:38 pm
Location: Munich, Germany
Full name: Dr. Oliver Brausch

Re: Mr. Larry Kaufman. Mr. Naphthalin. Attention. Mr. Uri Blass. Respected Sirs.

Post by OliverBr »

M ANSARI wrote: Thu Sep 18, 2025 7:16 pm as hardware is just way faster than a 60+ yr old mouse speed with slow ping
You have a 60+ yr old mouse? Amazing :)

I personally don't have the patience to play such games. Clearly not I can win it with fast time controls.

As I couldn't play Leela, I let OliThink play Stockfish on my local machine, with Queen-Odds, Rook-Odds, Bishop and then Knight. They all were easily won, albeit I have the feeling Stockfish doesn't play such odds well.
In one game the "extra" Rook wasn't in use until very late and still Stockfish could not make any ground at all.
OliThink GitHub: https://github.com/olithink
Nice arcticle about OlIThink: https://www.chessengeria.eu/post/olithink-oldie-goldie
Chess Engine OliThink Homepage: http://brausch.org/home/chess
Uri Blass
Posts: 10890
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: Mr. Larry Kaufman. Mr. Naphthalin. Attention. Mr. Uri Blass. Respected Sirs.

Post by Uri Blass »

OliverBr wrote: Thu Sep 18, 2025 7:40 pm
M ANSARI wrote: Thu Sep 18, 2025 7:16 pm as hardware is just way faster than a 60+ yr old mouse speed with slow ping
You have a 60+ yr old mouse? Amazing :)

I personally don't have the patience to play such games. Clearly not I can win it with fast time controls.

As I couldn't play Leela, I let OliThink play Stockfish on my local machine, with Queen-Odds, Rook-Odds, Bishop and then Knight. They all were easily won, albeit I have the feeling Stockfish doesn't play such odds well.
In one game the "extra" Rook wasn't in use until very late and still Stockfish could not make any ground at all.
Stockfish could play odd chess better before they decided to destroy stockfish by NNUE
OliverBr
Posts: 846
Joined: Tue Dec 18, 2007 9:38 pm
Location: Munich, Germany
Full name: Dr. Oliver Brausch

Re: Mr. Larry Kaufman. Mr. Naphthalin. Attention. Mr. Uri Blass. Respected Sirs.

Post by OliverBr »

Uri Blass wrote: Thu Sep 18, 2025 8:36 pm Stockfish could play odd chess better before they decided to destroy stockfish by NNUE
Actually, I wanted to add that I have the feeling that older versions of Stockfish (without NNUE) were stronger in odd chess.
OliThink GitHub: https://github.com/olithink
Nice arcticle about OlIThink: https://www.chessengeria.eu/post/olithink-oldie-goldie
Chess Engine OliThink Homepage: http://brausch.org/home/chess
Father
Posts: 1887
Joined: Sun Mar 19, 2006 4:39 am
Location: Colombia
Full name: Pablo Ignacio Restrepo

Re: Mr. Larry Kaufman. Mr. Naphthalin. Attention. Mr. Uri Blass. Respected Sirs.

Post by Father »

OliverBr wrote: Thu Sep 18, 2025 6:52 pm
Father wrote: Thu Sep 18, 2025 6:01 pm I have a question... Between humans, can White win this endgame? Thanks again.
It's not between humans, but a small, minimalistic engine (1700 lines of code) like OliThink needs 28 moves against Stockfish, one of the bishops eating all those black pawns in Pac-Man style.

[pgn][Event "Computer Chess Game"]
[Site "OliversMacBook3.fritz.box"]
[Date "2025.09.18"]
[Round "-"]
[White "OliThink 5.11.9"]
[Black "Stockfish 15.1"]
[Result "1-0"]
[TimeControl "40/180"]
[FEN "rnb1kbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"]
[SetUp "1"]

{--------------
r n b . k b n r
p p p p p p p p
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
P P P P P P P P
R N B Q K B N R
white to play
--------------}
1. d4 d6 2. f4 g6 3. e3 b6 4. Nf3 Bb7 5. c3 e6 6. Bd3 f5 7. Qe2 Nf6 8. O-O
h6 9. Nbd2 Rg8 10. a3 Ne4 11. g3 Be7 12. Kh1 a6 13. Rg1 g5 14. Rg2 Nd7 15.
Nf1 Ndf6 16. Bd2 g4 17. Nh4 Kf7 18. Be1 d5 19. Rc1 b5 20. b4 Nd6 21. Ra1 a5
22. Qa2 a4 23. Qc2 Bc6 24. Kg1 Rg7 25. Kh1 Ke8 26. Kg1 Kd7 27. Kh1 Kc8 28.
Kg1 Kb7 29. Kh1 Rag8 30. Kg1 Nfe8 31. Kh1 Ka7 32. Kg1 Bd8 33. Kh1 Be7 34.
Kg1 h5 35. Kh1 Ba8 36. Kg1 Bb7 37. Kh1 Ba8 38. Kg1 Bc6 39. Kh1 Rf7 40. Kg1
Rh7 41. Kh1 Rh6 42. Kg1 Nc8 43. Qe2 Ncd6 44. Kh1 Rh7 45. Kg1 Rf7 46. Kh1
Kb6 47. Kg1 Ka6 48. Kh1 Nc8 49. Kg1 Ncd6 50. Kh1 Rfg7 51. Kg1 Bb7 52. Kh1
Rh7 53. Kg1 Rhg7 54. Kh1 Rf8 55. Kg1 Bf6 56. Kh1 Bd8 57. Kg1 Ba8 58. Kh1
Nf6 59. Qc2 Kb6 60. Re2 Nde8 61. Kg1 Rh8 62. Kh1 Rh6 63. Kg1 Nd6 64. Kh1
Nfe8 65. Kg1 Bc6 66. Kh1 Be7 67. Kg1 Ka7 68. Kh1 Rh8 69. Kg1 Rhg8 70. Kh1
Ba8 71. Kg1 c6 72. Kh1 Nf6 73. Kg1 Bb7 74. Kh1 Bf8 75. Kg1 Bc8 76. Kh1 Bd7
77. Kg1 Be8 78. Kh1 Bd7 79. Kg1 Rf7 80. Kh1 Kb6 81. Kg1 Be7 82. Kh1 Be8 83.
Kg1 Rff8 84. Kh1 Rg7 85. Kg1 Bf7 86. Kh1 Bg8 87. Kg1 Ra8 88. Kh1 Rh7 89.
Kg1 Bf7 90. Kh1 Rh6 91. Kg1 Bg8 92. Kh1 Ka6 93. Kg1 Bf7 94. Kh1 Bg8 95. Kg1
Nfe8 96. Kh1 Bf7 97. Kg1 Bd8 98. Kh1 Bg8 99. Kg1 Ra7 100. Kh1 Nf6 101. Kg1
Rc7 102. Kh1 Nfe8 103. Kg1 Kb6 104. Kh1 Be7 105. Kg1 Rb7 106. Kh1 Nf6 107.
Kg1 Nfe4 108. Kh1 Rb8 109. Kg1 Rd8 110. Kh1 Ra8 111. Kg1 Rf8 112. Kh1 Bf6
113. Kg1 Ra8 114. Kh1 Ra7 115. Kg1 Be7 116. Kh1 Bxh4 117. gxh4 Nf6 118. Kg1
Bf7 119. Kh1 Rg6 120. Kg1 Re7 121. Kh1 Rg8 122. Kg1 Be8 123. Kh1 Rgg7 124.
Kg1 Rb7 125. Kh1 Rbc7 126. Kg1 Rb7 127. Kh1 Bf7 128. Kg1 Kc7 129. Kh1 Kd8
130. Kg1 Ke7 131. Kh1 Bg8 132. Kg1 Bf7 133. Kh1 Nfe8 134. Kg1 Rg6 135. Kh1
Nf6 136. Kg1 Be8 137. Kh1 Kd7 138. Kg1 Rg7 139. Kh1 Kd8 140. Nd2 Bg6 141.
Kg1 Nd7 142. Kh1 Rf7 143. Kg1 Nb6 144. Kh1 Rf8 145. Kg1 Nbc8 146. Kh1 Kc7
147. Kg1 Nb6 148. Kh1 Kd7 149. Kg1 Bh7 150. Kh1 Nbc8 151. Kg1 Bg8 152. Kh1
Ke8 153. Kg1 Ke7 154. Kg2 Rf7 155. Kg1 Kd8 156. Kh1 Rfe7 157. Kg1 Rec7 158.
Kg2 Nb6 159. Kg1 Rf7 160. Kg2 Ke7 161. Kg1 Kf6 162. Kg2 Kg6 163. Kg1 Rf6
164. Kg2 Kh6 165. Kg1 Nbc4 166. Kh1 Nxd2 167. Qxd2 Bh7 168. Qc2 Rf8 169.
Kg1 Rg7 170. Kh1 Kg6 171. Kg1 Kf6 172. Kh1 Rff7 173. Kg1 Ke7 174. Kh1 Kf6
175. Kg1 Rb7 176. Kh1 Bg6 177. Kg1 Bf7 178. Kh1 Bg6 179. Kg1 Bh7 180. Kh1
Ke7 181. Kg1 Bg8 182. Kh1 Bf7 183. Kg1 Rh7 184. Kh1 Rb8 185. Kg1 Rd8 186.
Kh1 Bg8 187. Kg1 Rg7 188. Kh1 Bh7 189. Kg1 Rf7 190. Kh1 Bg6 191. Kg1 Rg8
192. Kh1 Rd8 193. Kg1 Rd7 194. Kh1 Ke8 195. Kg1 Rde7 196. Kh1 Rd7 197. Kg1
Kd8 198. Kh1 Ke7 199. Kg1 Rc7 200. Kh1 Rb7 201. Kg1 Ke8 202. Kh1 Rfd7 203.
Kg1 Rdc7 204. Kh1 Kf8 205. Kg1 Rf7 206. Kh1 Ke8 207. Kg1 Rbc7 208. Kh1 Kd7
209. Kg1 Rb7 210. Kh1 Rc7 211. Kg1 Ke7 212. Kh1 Ra7 213. Kg1 Ra8 214. Kh1
Ra7 215. Kg1 g3 216. Bxg3 Ra8 217. Rg2 Rh7 218. Kh1 Rh6 219. Rag1 Bf7 220.
Qe2 Rah8 221. Be1 Kf8 222. Rg5 Rf6 223. Qd1 Ke7 224. Be2 Rfh6 225. Rg7 Ne8
226. R7g5 Nd6 227. Bf2 Kf6 228. Bd3 Ke7 229. R1g2 Kf6 230. Qg1 Rc8 231. Rg8
Ne8 232. R2g7 Ke7 233. Rxf7+ Kxf7 234. Qg5 Rf6 235. Rh8 Rg6 236. Qxh5 Nd6
237. Rxc8 Nxc8 238. Bg3 Nd6 239. Kg2 Ne8 240. Kh3 Nf6 241. Qf3 Rh6 242. Kg2
Rh7 243. Kf2 Rh6 244. h3 Rh5 245. Kg2 Rh7 246. Kh2 Kg7 247. Be1 Kf7 248.
Be2 Ne4 249. h5 Rh8 250. h4 Rh7 251. Kh3 Rh8 252. Qg2 Rg8 253. Bg3 Kg7 254.
Be1+ Kh7 255. Qxg8+ Kxg8 256. Bf3 Nd6 257. Be2 Kh7 258. Kh2 Nf7 259. Kh3
Nd6 260. Kh2 Nf7 261. Kh3 Kh8 262. Kh2 Kg8 263. Kh3 Kh7 264. Kh2 Kh8 265.
Kh3 Kg7 266. Kh2 Kg8 267. Kh3 Kf8 268. Kh2 Kg7 269. Kh3 Kh7 270. Kh2 Nd6
271. Kh3 Nb7 272. Kh2 Kg8 273. Kh3 Kg7 274. Kh2 Kg8 275. Kh3 Kg7 276. Kh2
Kh8 277. Kh3 Kg8 278. Kh2 Kg7 279. Kh3 Nd8 280. Kh2 Kf6 281. Kh3 Kg7 282.
Kh2 Nb7 283. Kh3 Nd6 284. Kh2 Ne4 285. Kh3 Kh6 286. Kh2 Kg7 287. Kh3 Nd6
288. Kh2 Kh7 289. Kh3 Kg8 290. Kh2 Ne4 291. Kh3 Kh8 292. Kh2 Kg8 293. Kh3
Nd6 294. Kh2 Kf7 295. Kh3 Kf8 296. Kh2 Ke8 297. Kh3 Kf7 298. Kh2 Kf8 299.
Kh3 Kf7 300. Kh2 Kg8 301. Kg3 {+4.19/41 6} Nc8 {-5.94/38 2:24} 302. h6
{+6.55/37 5} Nd6 {-5.37/30 29} 303. h5 {+4.61/48 0.1} Kh7 {-5.47/26 6} 304.
Kh3 {+7.46/38 10} Ne4 {-5.38/20 1.2} 305. Bd3 {+7.60/38 6} Nf6
{-2.83/14 0.1} 306. Bh4 {+7.74/30 6} Ng4 {-6.96/24 0.1} 307. e4
{+9.93/31 7} dxe4 {-7.98/24 0.1} 308. Bxe4 {+12.78/30 9} Ne3 {-8.59/25 0.1}
309. Bxc6 {+13.02/30 9} Nd1 {-9.73/24 0.1} 310. Bxb5 {+15.06/29 8} Kxh6
{-10.93/23 0.1} 311. Bxa4 {+15.37/29 9} Ne3 {-13.94/22 0.1} 312. Bg5+
{+19.61/27 8} Kg7 {-40.08/34 0.1} 313. h6+ {+18.91/30 22} Kh7 {-5.48/1 0.1}
314. Bd7 {+23.59/26 10} Nc4 {-6.27/4 0.1} 315. Bxe6 {+31.10/27 7} Nd6
{-1000.18/32 0.1} 316. c4 {+25.36/26 8} Kg6 {-7.69/7 0.1} 317. c5
{+26.86/24 8} Ne4 {-1000.12/39 0.1} 318. h7 {+1000.19/22 14} Kg7
{-1000.08/71 0.1} 319. Bxf5 {+1000.15/19 9} Nf2+ {-32.86/7 0.1} 320. Kg3
{+1000.09/24 6} Nd1 {-1000.08/68 0.1} 321. Bf6+ {+1000.08/18 0.3} Kxf6
{-1000.07/92 23} 322. h8=Q+ {+1000.13/28 0.1} Kxf5 {-1000.06/160 19} 323.
Qe5+ {+1000.12/37 0.1} Kg6 {-1000.05/151 0.5} 324. f5+ {+1000.05/41 2.8}
Kf7 {-1000.04/245 0.1} 325. Qe6+ {+1000.04/53 4} Kf8 {-1000.03/245 0.1}
326. f6 {+1000.03/64 0.3} Nb2 {-1000.02/245 0.1} 327. Qe7+
{+1000.02/64 0.1} Kg8 {-1000.01/245 0.1} 328. Qg7# {+1000.01/64 0.1}
{Xboard adjudication: Checkmate} 1-0
[/pgn]

Maybe a human could it, too?
PS: Why is there a queen missing? I see, LeelaQueenOdds....
PPS: Leela without Queen has 470k wins vs. 64k losses? Amazing
PPPS: I will try that on LiChess my self. and now I get "I'm not willing to play this variant right now." w.t...?
[pgn][Event "casual bullet game"]
[Site "https://lichess.org/8k29SIfr"]
[Date "2025.09.19"]
[White "Catecan"]
[Black "LeelaQueenOdds"]
[Result "1-0"]
[GameId "8k29SIfr"]
[UTCDate "2025.09.19"]
[UTCTime "04:59:06"]
[WhiteElo "2022"]
[BlackElo "2000"]
[BlackTitle "BOT"]
[Variant "From Position"]
[TimeControl "60+1"]
[ECO "?"]
[Opening "?"]
[Termination "Normal"]
[FEN "rnb1kbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"]
[SetUp "1"]
[Annotator "lichess.org"]

1. d4 f5 2. f4 b6 3. e3 e6 4. Nf3 Nf6 5. c3 Nc6 6. Bd3 h6 7. Qe2 g6 8. Ba6 Bxa6 9. Qxa6 Rg8 10. Qf1 O-O-O 11. Qd3 g5 12. O-O Ne7 13. g3 Rg7 14. Rf2 Ng6 15. Rg2 g4 16. Nh4 Nh8 17. Bd2 Nf7 18. Be1 Be7 19. Nd2 Nd6 20. Nf1 Nde8 21. a4 c6 22. a5 b5 23. b4 d5 24. a6 Nd6 25. Rga2 Rdg8 26. Rg2 Nfe8 27. Qc2 Bf6 28. Qa2 Kd7 29. Qc2 Kc8 30. Kh1 Kc7 31. Kg1 Kd8 32. Kh1 h5 33. Kg1 Kd7 34. Kh1 Kd8 35. Kg1 Kc7 36. Kh1 Kb6 37. Kg1 Kc7 38. Kh1 Kb6 39. Kg1 Rf7 40. Kh1 Rh7 41. Kg1 Rh6 42. Kh1 Rg7 43. Kg1 Bd8 44. Kh1 Rgh7 45. Qa2 Kc7 46. Qa5+ Kd7 47. Qa2 Bf6 48. Kg1 Kd8 49. Qa5+ Rc7 50. Qa2 Rf7 51. Kh1 Rd7 52. Kg1 Kc7 53. Qa5+ Kc8 54. Qa2 Rf7 55. Kh1 Kd8 56. Qa5+ Nc7 57. Qa2 Nce8 58. Qa5+ Nc7 59. Qa2 Be7 60. Kg1 Nce8 61. Qa5+ Kd7 62. Qa2 Kc7 63. Qa5+ Kc8 64. Qa2 Nf6 65. Kh1 Nfe4 66. Kg1 Kc7 67. Kh1 Bf6 68. Kg1 Bh8 69. Kh1 Nc4 70. Kg1 Bg7 71. Kh1 Ncd6 72. Kg1 Bh8 73. Kh1 Rg7 74. Qa5+ Kc8 75. Qa2 Nc4 76. Kg1 Kc7 77. Kh1 Rd7 78. Kg1 Bf6 79. Kh1 Bxh4 80. gxh4 Nb6 81. Bg3 Nd6 82. Qc2 Re7 83. Nd2 Rf6 84. Nb3 Nbc4 85. Re2 Rff7 86. Nc5 Rf8 87. Nb7 Nc8 88. Nc5 N8d6 89. Be1 Kb6 90. Kg1 Kc7 91. Kh1 Rh8 92. Kg1 Kb6 93. Kh1 Ra8 94. Kg1 Rc8 95. Kh1 Ne8 96. Kg1 Ned6 97. Kh1 Rd8 98. Kg1 Rb8 99. Kh1 Ne8 100. Kg1 Ncd6 101. Kh1 Ra8 102. Kg1 Nf6 103. Kh1 Rb8 104. Kg1 Nh7 105. Kh1 Nf6 106. Kg1 Nd7 107. Kh1 Kc7 108. Kg1 Rg8 109. Kh1 Ra8 110. Kg1 Rf8 111. Kh1 Kb6 112. Kg1 Kc7 113. Kh1 Nb6 114. Kg1 Ra8 115. Kh1 Nd7 116. Kg1 Rb8 117. Kh1 Nc4 118. Kg1 Rf8 119. Kh1 Nd6 120. Kg1 Rf6 121. Kh1 Rf8 122. Kg1 Ree8 123. Kh1 Nc4 124. Kg1 Ncb6 125. Kh1 Rf7 126. Kg1 Ree7 127. Kh1 Nc4 128. Kg1 Rf8 129. Kh1 Nxc5 130. bxc5 Kd7 131. Kg1 Rg8 132. Kh1 Rf8 133. Kg1 Rg7 134. Kh1 Rgf7 135. Kg1 Ke7 136. Kh1 Kd7 137. Rb1 Rg7 138. Rb4 Rb8 139. Bf2 Rgg8 140. Re1 Rgf8 141. Reb1 Na3 142. Qb2 Nxb1 143. Qxb1 Rbd8 144. Qc1 Ke7 145. Qb1 Rf7 146. Qc1 Rdf8 147. Qb1 Rd8 148. Qc1 Kf6 149. Qb1 Kg6 150. Qb3 Rc8 151. Qa3 Rd8 152. Qb2 Rg7 153. Qb3 Rgd7 154. Qb2 Rg7 155. Qb1 Kf6 156. Qb2 Kf7 157. Qb1 Kf6 158. Qb2 Kf7 159. Qb1 Kg6 160. Qb2 Rc8 161. Qb1 Rd8 162. Qb2 Rdd7 163. Qb1 Rg8 164. Qb2 Re8 165. Qb1 Rdd8 166. Qb2 Re7 167. Qb1 Rf7 168. Qb2 Kh7 169. Qb1 Kh8 170. Qb2 Kg8 171. Qb1 Kf8 172. Qb2 Kg8 173. Qb1 Re8 174. Qb2 Kg7 175. Qb1 Kf6 176. Qb2 Kg6 177. Qb1 Rf6 178. Qb2 Rf7 179. Qb1 Rfe7 180. Qb2 Kf7 181. Qb1 Kg8 182. Qb2 Rf7 183. Qb1 Rh7 184. Qb2 Rhe7 185. Qb1 Rf8 186. Qb2 Rff7 187. Qb1 Rh7 188. Qb2 Rd7 189. Qb1 Rhe7 190. Qb2 Kf7 191. Qb1 Kg8 192. Qb2 g3 193. Bxg3 Rg7 194. Qe2 Rh7 195. Rb2 Rd8 196. Rb1 Kf7 197. Rg1 Rg8 198. Bf2 Rxg1+ 199. Bxg1 Rh8 200. Bf2 Kg6 201. Bg3 Rg8 202. Kg2 Rh8 203. Kf3 Kf6 204. Qa2 Ke7 205. Qa5 Kd7 206. Qa2 Ke7 207. Qg2 Rg8 208. Kf2 Kf6 209. Qf3 Kg6 210. Kg2 Kh6 211. Kh3 Kg6 212. Bf2 Kh6 213. Be1 Rg7 214. Bd2 Rg1 215. Qf2 Rg7 216. Bc1 Rg4 217. Ba3 Rg6 218. Bb4 Rg4 219. Ba5 Rg6 220. Qg3 Rg4 221. Qxg4 fxg4+ 222. Kg3 Kg6 223. Bb6 b4 224. cxb4 Kf5 225. Bxa7 Ke4 226. Bb6 Kxe3 227. a7 Kxd4 228. a8=Q Kc4 229. Qa3 d4 230. Kf2 e5 231. fxe5 g3+ 232. hxg3 Kd5 233. Bc7 Kc4 234. Bd6 d3 235. Qc1+ Kb3 236. Qd2 Ka3 237. Kf3 Kb3 238. g4 hxg4+ 239. Kxg4 Ka3 240. h5 Kb3 241. h6 Kc4 242. h7 Kb3 243. h8=Q Kc4 244. e6 Kb5 245. e7 Kc4 246. e8=Q Kb3 247. Qe6+ Ka4 248. Qea2+ Kb5 249. Qxd3+ Kxb4 250. Qhb2# { White wins by checkmate. } 1-0[/pgn]

Thank you for the evaluation ... Great!!
I am thinking chess is in a coin.Human beings for ever playing in one face.Now I am playing in the other face:"Antichess". Computers are as a fortres where owner forgot to close a little door behind. You must enter across this door.Forget the front.
User avatar
M ANSARI
Posts: 3726
Joined: Thu Mar 16, 2006 7:10 pm

Re: Mr. Larry Kaufman. Mr. Naphthalin. Attention. Mr. Uri Blass. Respected Sirs.

Post by M ANSARI »

OliverBr wrote: Thu Sep 18, 2025 9:01 pm
Uri Blass wrote: Thu Sep 18, 2025 8:36 pm Stockfish could play odd chess better before they decided to destroy stockfish by NNUE
Actually, I wanted to add that I have the feeling that older versions of Stockfish (without NNUE) were stronger in odd chess.
Actually SF without NNUE is very easy to beat at queens odds. It will always exchange pieces and thus against humans it will fail miserably. Maybe at Knight or Rook odds or say pawn odds, it would do well ... but at Queens Odds it will lose almost every game against a reasonably strong human. The Leela Queens Odds bot though ... that can easily humiliate even a GM.
lkaufman
Posts: 6258
Joined: Sun Jan 10, 2010 6:15 am
Location: Maryland USA
Full name: Larry Kaufman

Re: Mr. Larry Kaufman. Mr. Naphthalin. Attention. Mr. Uri Blass. Respected Sirs.

Post by lkaufman »

OliverBr wrote: Thu Sep 18, 2025 6:52 pm
Father wrote: Thu Sep 18, 2025 6:01 pm I have a question... Between humans, can White win this endgame? Thanks again.
It's not between humans, but a small, minimalistic engine (1700 lines of code) like OliThink needs 28 moves against Stockfish, one of the bishops eating all those black pawns in Pac-Man style.

[pgn][Event "Computer Chess Game"]
[Site "OliversMacBook3.fritz.box"]
[Date "2025.09.18"]
[Round "-"]
[White "OliThink 5.11.9"]
[Black "Stockfish 15.1"]
[Result "1-0"]
[TimeControl "40/180"]
[FEN "rnb1kbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"]
[SetUp "1"]

{--------------
r n b . k b n r
p p p p p p p p
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
P P P P P P P P
R N B Q K B N R
white to play
--------------}
1. d4 d6 2. f4 g6 3. e3 b6 4. Nf3 Bb7 5. c3 e6 6. Bd3 f5 7. Qe2 Nf6 8. O-O
h6 9. Nbd2 Rg8 10. a3 Ne4 11. g3 Be7 12. Kh1 a6 13. Rg1 g5 14. Rg2 Nd7 15.
Nf1 Ndf6 16. Bd2 g4 17. Nh4 Kf7 18. Be1 d5 19. Rc1 b5 20. b4 Nd6 21. Ra1 a5
22. Qa2 a4 23. Qc2 Bc6 24. Kg1 Rg7 25. Kh1 Ke8 26. Kg1 Kd7 27. Kh1 Kc8 28.
Kg1 Kb7 29. Kh1 Rag8 30. Kg1 Nfe8 31. Kh1 Ka7 32. Kg1 Bd8 33. Kh1 Be7 34.
Kg1 h5 35. Kh1 Ba8 36. Kg1 Bb7 37. Kh1 Ba8 38. Kg1 Bc6 39. Kh1 Rf7 40. Kg1
Rh7 41. Kh1 Rh6 42. Kg1 Nc8 43. Qe2 Ncd6 44. Kh1 Rh7 45. Kg1 Rf7 46. Kh1
Kb6 47. Kg1 Ka6 48. Kh1 Nc8 49. Kg1 Ncd6 50. Kh1 Rfg7 51. Kg1 Bb7 52. Kh1
Rh7 53. Kg1 Rhg7 54. Kh1 Rf8 55. Kg1 Bf6 56. Kh1 Bd8 57. Kg1 Ba8 58. Kh1
Nf6 59. Qc2 Kb6 60. Re2 Nde8 61. Kg1 Rh8 62. Kh1 Rh6 63. Kg1 Nd6 64. Kh1
Nfe8 65. Kg1 Bc6 66. Kh1 Be7 67. Kg1 Ka7 68. Kh1 Rh8 69. Kg1 Rhg8 70. Kh1
Ba8 71. Kg1 c6 72. Kh1 Nf6 73. Kg1 Bb7 74. Kh1 Bf8 75. Kg1 Bc8 76. Kh1 Bd7
77. Kg1 Be8 78. Kh1 Bd7 79. Kg1 Rf7 80. Kh1 Kb6 81. Kg1 Be7 82. Kh1 Be8 83.
Kg1 Rff8 84. Kh1 Rg7 85. Kg1 Bf7 86. Kh1 Bg8 87. Kg1 Ra8 88. Kh1 Rh7 89.
Kg1 Bf7 90. Kh1 Rh6 91. Kg1 Bg8 92. Kh1 Ka6 93. Kg1 Bf7 94. Kh1 Bg8 95. Kg1
Nfe8 96. Kh1 Bf7 97. Kg1 Bd8 98. Kh1 Bg8 99. Kg1 Ra7 100. Kh1 Nf6 101. Kg1
Rc7 102. Kh1 Nfe8 103. Kg1 Kb6 104. Kh1 Be7 105. Kg1 Rb7 106. Kh1 Nf6 107.
Kg1 Nfe4 108. Kh1 Rb8 109. Kg1 Rd8 110. Kh1 Ra8 111. Kg1 Rf8 112. Kh1 Bf6
113. Kg1 Ra8 114. Kh1 Ra7 115. Kg1 Be7 116. Kh1 Bxh4 117. gxh4 Nf6 118. Kg1
Bf7 119. Kh1 Rg6 120. Kg1 Re7 121. Kh1 Rg8 122. Kg1 Be8 123. Kh1 Rgg7 124.
Kg1 Rb7 125. Kh1 Rbc7 126. Kg1 Rb7 127. Kh1 Bf7 128. Kg1 Kc7 129. Kh1 Kd8
130. Kg1 Ke7 131. Kh1 Bg8 132. Kg1 Bf7 133. Kh1 Nfe8 134. Kg1 Rg6 135. Kh1
Nf6 136. Kg1 Be8 137. Kh1 Kd7 138. Kg1 Rg7 139. Kh1 Kd8 140. Nd2 Bg6 141.
Kg1 Nd7 142. Kh1 Rf7 143. Kg1 Nb6 144. Kh1 Rf8 145. Kg1 Nbc8 146. Kh1 Kc7
147. Kg1 Nb6 148. Kh1 Kd7 149. Kg1 Bh7 150. Kh1 Nbc8 151. Kg1 Bg8 152. Kh1
Ke8 153. Kg1 Ke7 154. Kg2 Rf7 155. Kg1 Kd8 156. Kh1 Rfe7 157. Kg1 Rec7 158.
Kg2 Nb6 159. Kg1 Rf7 160. Kg2 Ke7 161. Kg1 Kf6 162. Kg2 Kg6 163. Kg1 Rf6
164. Kg2 Kh6 165. Kg1 Nbc4 166. Kh1 Nxd2 167. Qxd2 Bh7 168. Qc2 Rf8 169.
Kg1 Rg7 170. Kh1 Kg6 171. Kg1 Kf6 172. Kh1 Rff7 173. Kg1 Ke7 174. Kh1 Kf6
175. Kg1 Rb7 176. Kh1 Bg6 177. Kg1 Bf7 178. Kh1 Bg6 179. Kg1 Bh7 180. Kh1
Ke7 181. Kg1 Bg8 182. Kh1 Bf7 183. Kg1 Rh7 184. Kh1 Rb8 185. Kg1 Rd8 186.
Kh1 Bg8 187. Kg1 Rg7 188. Kh1 Bh7 189. Kg1 Rf7 190. Kh1 Bg6 191. Kg1 Rg8
192. Kh1 Rd8 193. Kg1 Rd7 194. Kh1 Ke8 195. Kg1 Rde7 196. Kh1 Rd7 197. Kg1
Kd8 198. Kh1 Ke7 199. Kg1 Rc7 200. Kh1 Rb7 201. Kg1 Ke8 202. Kh1 Rfd7 203.
Kg1 Rdc7 204. Kh1 Kf8 205. Kg1 Rf7 206. Kh1 Ke8 207. Kg1 Rbc7 208. Kh1 Kd7
209. Kg1 Rb7 210. Kh1 Rc7 211. Kg1 Ke7 212. Kh1 Ra7 213. Kg1 Ra8 214. Kh1
Ra7 215. Kg1 g3 216. Bxg3 Ra8 217. Rg2 Rh7 218. Kh1 Rh6 219. Rag1 Bf7 220.
Qe2 Rah8 221. Be1 Kf8 222. Rg5 Rf6 223. Qd1 Ke7 224. Be2 Rfh6 225. Rg7 Ne8
226. R7g5 Nd6 227. Bf2 Kf6 228. Bd3 Ke7 229. R1g2 Kf6 230. Qg1 Rc8 231. Rg8
Ne8 232. R2g7 Ke7 233. Rxf7+ Kxf7 234. Qg5 Rf6 235. Rh8 Rg6 236. Qxh5 Nd6
237. Rxc8 Nxc8 238. Bg3 Nd6 239. Kg2 Ne8 240. Kh3 Nf6 241. Qf3 Rh6 242. Kg2
Rh7 243. Kf2 Rh6 244. h3 Rh5 245. Kg2 Rh7 246. Kh2 Kg7 247. Be1 Kf7 248.
Be2 Ne4 249. h5 Rh8 250. h4 Rh7 251. Kh3 Rh8 252. Qg2 Rg8 253. Bg3 Kg7 254.
Be1+ Kh7 255. Qxg8+ Kxg8 256. Bf3 Nd6 257. Be2 Kh7 258. Kh2 Nf7 259. Kh3
Nd6 260. Kh2 Nf7 261. Kh3 Kh8 262. Kh2 Kg8 263. Kh3 Kh7 264. Kh2 Kh8 265.
Kh3 Kg7 266. Kh2 Kg8 267. Kh3 Kf8 268. Kh2 Kg7 269. Kh3 Kh7 270. Kh2 Nd6
271. Kh3 Nb7 272. Kh2 Kg8 273. Kh3 Kg7 274. Kh2 Kg8 275. Kh3 Kg7 276. Kh2
Kh8 277. Kh3 Kg8 278. Kh2 Kg7 279. Kh3 Nd8 280. Kh2 Kf6 281. Kh3 Kg7 282.
Kh2 Nb7 283. Kh3 Nd6 284. Kh2 Ne4 285. Kh3 Kh6 286. Kh2 Kg7 287. Kh3 Nd6
288. Kh2 Kh7 289. Kh3 Kg8 290. Kh2 Ne4 291. Kh3 Kh8 292. Kh2 Kg8 293. Kh3
Nd6 294. Kh2 Kf7 295. Kh3 Kf8 296. Kh2 Ke8 297. Kh3 Kf7 298. Kh2 Kf8 299.
Kh3 Kf7 300. Kh2 Kg8 301. Kg3 {+4.19/41 6} Nc8 {-5.94/38 2:24} 302. h6
{+6.55/37 5} Nd6 {-5.37/30 29} 303. h5 {+4.61/48 0.1} Kh7 {-5.47/26 6} 304.
Kh3 {+7.46/38 10} Ne4 {-5.38/20 1.2} 305. Bd3 {+7.60/38 6} Nf6
{-2.83/14 0.1} 306. Bh4 {+7.74/30 6} Ng4 {-6.96/24 0.1} 307. e4
{+9.93/31 7} dxe4 {-7.98/24 0.1} 308. Bxe4 {+12.78/30 9} Ne3 {-8.59/25 0.1}
309. Bxc6 {+13.02/30 9} Nd1 {-9.73/24 0.1} 310. Bxb5 {+15.06/29 8} Kxh6
{-10.93/23 0.1} 311. Bxa4 {+15.37/29 9} Ne3 {-13.94/22 0.1} 312. Bg5+
{+19.61/27 8} Kg7 {-40.08/34 0.1} 313. h6+ {+18.91/30 22} Kh7 {-5.48/1 0.1}
314. Bd7 {+23.59/26 10} Nc4 {-6.27/4 0.1} 315. Bxe6 {+31.10/27 7} Nd6
{-1000.18/32 0.1} 316. c4 {+25.36/26 8} Kg6 {-7.69/7 0.1} 317. c5
{+26.86/24 8} Ne4 {-1000.12/39 0.1} 318. h7 {+1000.19/22 14} Kg7
{-1000.08/71 0.1} 319. Bxf5 {+1000.15/19 9} Nf2+ {-32.86/7 0.1} 320. Kg3
{+1000.09/24 6} Nd1 {-1000.08/68 0.1} 321. Bf6+ {+1000.08/18 0.3} Kxf6
{-1000.07/92 23} 322. h8=Q+ {+1000.13/28 0.1} Kxf5 {-1000.06/160 19} 323.
Qe5+ {+1000.12/37 0.1} Kg6 {-1000.05/151 0.5} 324. f5+ {+1000.05/41 2.8}
Kf7 {-1000.04/245 0.1} 325. Qe6+ {+1000.04/53 4} Kf8 {-1000.03/245 0.1}
326. f6 {+1000.03/64 0.3} Nb2 {-1000.02/245 0.1} 327. Qe7+
{+1000.02/64 0.1} Kg8 {-1000.01/245 0.1} 328. Qg7# {+1000.01/64 0.1}
{Xboard adjudication: Checkmate} 1-0
[/pgn]

Maybe a human could it, too?
PS: Why is there a queen missing? I see, LeelaQueenOdds....
PPS: Leela without Queen has 470k wins vs. 64k losses? Amazing
PPPS: I will try that on LiChess my self. and now I get "I'm not willing to play this variant right now." w.t...?
Yes, any strong human player would win. My first thought was I just need to push the two h pawns to let the dark square bishop infiltrate via h4, the rest will be easy, and that is exactly what your engine did. Leela Queen Odds performs around the Lichess Blitz 2500 level in blitz games, roughly FM level. Usually you get that message if you don't follow all the instructions, for example you must play with real time and select a time limit not more than 30+30, and you must select the color that has the queen in the diagram.
Komodo rules!
jefk
Posts: 1025
Joined: Sun Jul 25, 2010 10:07 pm
Location: the Netherlands
Full name: Jef Kaan

Re: Mr. Larry Kaufman. Mr. Naphthalin. Attention. Mr. Uri Blass. Respected Sirs.

Post by jefk »

well i don't see why the program played 215 ... g3? opening up the position,
215 Rf6 would also have been possible.
But then maybe later with a sacrifice a breakthrough would come by White
haven't looked at that.