Can't for the life of me find that solution
Posted: Mon May 27, 2019 7:58 pm
This position was from my ChestUCI database, and I have never found a solution for it.
I told it to use the database parameters and search, and no mate was found.
FEN: [d]5K2/8/5B2/p7/8/p4p2/pn1PpPp1/kb2R3 w - - 0 1
FEN: 5K2/8/5B2/p7/8/p4p2/pn1PpPp1/kb2R3 w - - (5+9)
Position-Analysis: C0/R0/K1/P2/X5 W:4/24
Parameters found in Database: #24; --:-- @ C0/R0/K3/P2/X11;
Search for Special-Mate [C0/R0/K3/P2/X11] in 24 ... (Hash=2044MB)
d=1 t=0.00s [1.00] n=0kN [1.00] Hash: spd=1.00 in=1 out=0
d=2 t=0.22s [1.00] n=0kN [1.00] Hash: spd=0.99 in=1 out=0
d=3 t=0.22s [1.00] n=0kN [8.08] Hash: spd=0.98 in=15 out=0
d=4 t=0.22s [1.00] n=1kN [2.87] Hash: spd=1.37 in=34 out=0
d=5 t=0.22s [1.00] n=2kN [2.32] Hash: spd=1.88 in=52 out=0
d=6 t=0.23s [1.05] n=8kN [4.02] Hash: spd=2.67 in=327 out=0
d=7 t=0.26s [1.13] n=27kN [3.30] Hash: spd=3.71 in=1979 out=0
d=8 t=0.35s [1.35] n=81kN [2.99] Hash: spd=4.51 in=6280 out=0
d=9 t=0.59s [1.69] n=212kN [2.61] Hash: spd=5.77 in=19931 out=0
d=10 t=1.27s [2.15] n=624kN [2.94] Hash: spd=7.47 in=54085 out=0
d=11 t=3.00s [2.36] n=1715kN [2.75] Hash: spd=9.22 in=144520 out=0
d=12 t=7.07s [2.36] n=4426kN [2.58] Hash: spd=11.27 in=314340 out=0
d=13 t=15.78s [2.23] n=10260kN [2.32] Hash: spd=13.87 in=653510 out=0
d=14 t=30.93s [1.96] n=21097kN [2.06] Hash: spd=17.38 in=1200423 out=0
d=15 t=58.60s [1.89] n=40782kN [1.93] Hash: spd=21.37 in=2253155 out=1
d=16 t=109.51s [1.87] n=77426kN [1.90] Hash: spd=25.98 in=4210782 out=14
d=17 t=210.98s [1.93] n=148427kN [1.92] Hash: spd=29.89 in=8145272 out=318
d=18 t=408.90s [1.94] n=289239kN [1.95] Hash: spd=34.43 in=15560728 out=7698
d=19 t=792.81s [1.94] n=559614kN [1.93] Hash: spd=38.61 in=29856461 out=414854
d=20 t=1560.42s [1.97] n=1103625kN [1.97] Hash: spd=43.40 in=58360167 out=12570997
d=21 t=3517.89s [2.25] n=2528310kN [2.29] Hash: spd=41.83 in=144257295 out=95715859
d=22 t=11273.28s [3.20] n=7970407kN [3.15] Hash: spd=38.55 in=461515425 out=412966376
d=23 t=43952.17s [3.90] n=34324808kN [4.31] Hash: spd=36.19 in=1995272177 out=1946723128
d=24 t=1258127.47s [28.62] n=1142201663kN [33.28] Hash: spd=260.27 in=1841486049 out=1792937000
Search completed ... (Time=1258127.52s)
No Mate in 24 found ! (349:28:47)
I told it to use the database parameters and search, and no mate was found.
FEN: [d]5K2/8/5B2/p7/8/p4p2/pn1PpPp1/kb2R3 w - - 0 1
FEN: 5K2/8/5B2/p7/8/p4p2/pn1PpPp1/kb2R3 w - - (5+9)
Position-Analysis: C0/R0/K1/P2/X5 W:4/24
Parameters found in Database: #24; --:-- @ C0/R0/K3/P2/X11;
Search for Special-Mate [C0/R0/K3/P2/X11] in 24 ... (Hash=2044MB)
d=1 t=0.00s [1.00] n=0kN [1.00] Hash: spd=1.00 in=1 out=0
d=2 t=0.22s [1.00] n=0kN [1.00] Hash: spd=0.99 in=1 out=0
d=3 t=0.22s [1.00] n=0kN [8.08] Hash: spd=0.98 in=15 out=0
d=4 t=0.22s [1.00] n=1kN [2.87] Hash: spd=1.37 in=34 out=0
d=5 t=0.22s [1.00] n=2kN [2.32] Hash: spd=1.88 in=52 out=0
d=6 t=0.23s [1.05] n=8kN [4.02] Hash: spd=2.67 in=327 out=0
d=7 t=0.26s [1.13] n=27kN [3.30] Hash: spd=3.71 in=1979 out=0
d=8 t=0.35s [1.35] n=81kN [2.99] Hash: spd=4.51 in=6280 out=0
d=9 t=0.59s [1.69] n=212kN [2.61] Hash: spd=5.77 in=19931 out=0
d=10 t=1.27s [2.15] n=624kN [2.94] Hash: spd=7.47 in=54085 out=0
d=11 t=3.00s [2.36] n=1715kN [2.75] Hash: spd=9.22 in=144520 out=0
d=12 t=7.07s [2.36] n=4426kN [2.58] Hash: spd=11.27 in=314340 out=0
d=13 t=15.78s [2.23] n=10260kN [2.32] Hash: spd=13.87 in=653510 out=0
d=14 t=30.93s [1.96] n=21097kN [2.06] Hash: spd=17.38 in=1200423 out=0
d=15 t=58.60s [1.89] n=40782kN [1.93] Hash: spd=21.37 in=2253155 out=1
d=16 t=109.51s [1.87] n=77426kN [1.90] Hash: spd=25.98 in=4210782 out=14
d=17 t=210.98s [1.93] n=148427kN [1.92] Hash: spd=29.89 in=8145272 out=318
d=18 t=408.90s [1.94] n=289239kN [1.95] Hash: spd=34.43 in=15560728 out=7698
d=19 t=792.81s [1.94] n=559614kN [1.93] Hash: spd=38.61 in=29856461 out=414854
d=20 t=1560.42s [1.97] n=1103625kN [1.97] Hash: spd=43.40 in=58360167 out=12570997
d=21 t=3517.89s [2.25] n=2528310kN [2.29] Hash: spd=41.83 in=144257295 out=95715859
d=22 t=11273.28s [3.20] n=7970407kN [3.15] Hash: spd=38.55 in=461515425 out=412966376
d=23 t=43952.17s [3.90] n=34324808kN [4.31] Hash: spd=36.19 in=1995272177 out=1946723128
d=24 t=1258127.47s [28.62] n=1142201663kN [33.28] Hash: spd=260.27 in=1841486049 out=1792937000
Search completed ... (Time=1258127.52s)
No Mate in 24 found ! (349:28:47)