Non degenerated tridagon puzzles direct search

Everything about Sudoku that doesn't fit in one of the other sections

Re: Non degenerated tridagon puzzles direct search

Postby champagne » Tue Aug 19, 2025 9:31 am

The run on the highest ratings excluding the families is closed;
It gave only one solution grid with the rating 11.8

The start point, with the file of puzzles loaded in my google drive, was

Code: Select all
Er   CountOfpuz 
105   1444127
106   585504
107   35404
108   88019
109   459831
110   1038518
111   518569
112   19211
113   1615
114   1628
115   1408
116   1086
117   201
118   39


156391 sols
4195160 puzzles

Meantime, I made 2 small tests of the max expand process, and finished the process for a vicinity search started long ago on the high ratings excluding the “families” planned to be expanded one by one.

I stick to a cutoff of skfr Er>=10.5. Th final status of added puzzles after these 2 steps is

474884 new puzzles in 8886 sols
Code: Select all
Er   CountOfpuz
105   217717
106   81082
107   3589
108   13957
109   42625
110   57525
111   42190
112   12226
113   1137
114   861
115   1186
116   699
117   88
118   2


The new sol 11.8 has the rank 12139724 with 61 puzzles rating >=10.5

Four solution grids have hits in different targets
982792 2 1107049 4252732 48893161

I wait for the closure of the first chunk of the biggest run (80 million fresh puzzles) to load a file with new puzzles in the google drive. This should come next week (end of this week at best)
champagne
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Posts: 7737
Joined: 02 August 2007
Location: France Brittany

Re: Non degenerated tridagon puzzles direct search

Postby champagne » Sun Aug 24, 2025 3:21 pm

the first 20 millions puzzles have been rated giving 705k puzzles rating skfr >=10.5
here are the best ratings

Hidden Text: Show
Code: Select all
1..4...89..6....2..8....4.62..5.7....9..1........9.24..42...89.8.1......96.....12;115;607945;9cG2D5I0Q6h036
1..4...89..6....2..89...4.62..5.7....9..1........9.24..42...89.8.1.......6.....12;115;607945;9cG6D5I0Q6h026
1..4...89..6...12..8......62..5.7....9..1........9.24..42...89.8.1.....496.....1.;115;607945;9cO2C5I0Q6hW32
1..4...89..6...12..89.....62..5.7....9..1........9.24..42...89.8.1.....4.6.....1.;115;607945;9cO6C5I0Q6hW22
1..4...894.6....2..8......62..5.7....9..1........9.24..42...89.8.1......96.....12;115;607945;9kG2C5I0Q6h036
1..4...894.6....2..89.....62..5.7....9..1........9.24..42...89.8.1.......6.....12;115;607945;9kG6C5I0Q6h026
12.4...89..6....2..8....4.62..5.7....9..1........9.24..4....89.8.1......96.....12;115;607945;BcG2D5I0Q2h036
12.4...89..6....2..89...4.62..5.7....9..1........9.24..4....89.8.1.......6.....12;115;607945;BcG6D5I0Q2h026
12.4...89..6...12..8......62..5.7....9..1........9.24..4....89.8.1.....496.....12;115;607945;BcO2C5I0Q2hW36
12.4...89..6...12..89.....62..5.7....9..1........9.24..4....89.8.1.....4.6.....12;115;607945;BcO6C5I0Q2hW26
12.4...894.6....2..8......62..5.7....9..1........9.24..4....89.8.1......96.....12;115;607945;BkG2C5I0Q2h036
12.4...894.6....2..89.....62..5.7....9..1........9.24..4....89.8.1.......6.....12;115;607945;BkG6C5I0Q2h026
1.3...7...56.8.1..78.....65....7.........4........23.167...8.1...15...3..35...6.8;115;1353327;5nA362W0iZYH65
.....678..5....1.3.8.1.3.652.4..5.......71....7...........68.1.8..5.763....31.5..;115;2419673;WJegk4mG0mATO1
....5678..5....1.3.8.1.3.6.2.4..5.......71....7...........68.1.8..5.763....31.5..;115;2419673;mJegg4mG0mATO1
.23...7..4.6.8....7...234....4.67...36.84...2..83.2..........9.8......5....678...;115;3969784;6f2nX6Ra50AGu0
.23...7..4.6.8....7...234..2.4.67...36.84...2..83............9.8......5....678...;115;3969784;6f2nf6Ra10AGu0
.23...7..4.6.8....78..234....4.67...36.84...2...3.2..........9.8......5....678...;115;3969784;6f2pX6R450AGu0
.23...7..4.6.8....78..234..2.4.67...36.84...2...3............9.8......5....678...;115;3969784;6f2pf6R410AGu0
...4......5...91.3.8.1.34.5.14..5...5..34....93.8.1...........6....3.2.789.......;115;4113237;8Gigr4PO504g30
12..5...9..6...12.7......652..3.8.......6...796.......5....7..169...5.72..1...9..;115;4811397;JaO1E5GS0XSq41
12..5...9.56...12.7......652..3.8.......6...796............7..169...5.72..1...95.;115;4811397;JqO1E5GS0WSq43
12..5.7.9..6...12.7......652..3.8.......6...796.......5....7..169...5..2..1...9..;115;4811397;JbO1E5GS0XSa41
12..5.7.9.56...12.7......652..3.8.......6...796............7..169...5..2..1...95.;115;4811397;JrO1E5GS0WSa43
12...6...4...89....8912....2.....5.7....4..9..6........92.14..864.......8.1.6...2;116;941120;Z86U8eGI0sS0L4
1.3...7...56.8.1..78.....65....7.........4........23.167.....1.8.15...3..35...6.8;116;1353327;5nA362W0i3gH65
1.3...7...56.8.1.378.....65....7.........4........23.167.....1.8.15......35...6.8;116;1353327;5ng362W0i3g165
.2.4.6..9.........7891.....21...89...97...5.85....7.12..1...89........57......2.1;116;1918114;g40FOC6Dq43m05
.2.4.6..9.........7891.....21...897..9....5.85....7.12..1...89........57......2.1;116;1918114;g40FOS2Dq43m05
1..4.6.8........2..891..46.2.....5......94.........3...4.86.....619.2...8.2.41...;116;2531074;f2GEB8m08Qm5r0
1..4.6.8.....8..2...91..46.2.....5......94.........3...4.86.....619.2...8.2.41...;116;2531074;f2ICB8m08Qm5r0
1..4.6.8........2..891..46.2.....5......94.........3...4.86.....629.1...8.1.42...;116;2531076;f2GEB8m08Qm5r0
1..4.6.8.....8..2...91..46.2.....5......94.........3...4.86.....629.1...8.1.42...;116;2531076;f2ICB8m08Qm5r0
12.4.6...4...8.1....912.....1.89....69..12.4.8..6.4......9.82...4......7.6.....3.;116;3429412;h8ASG3pA5eHW22
12...6...4...89....8912..........5.7....4..9.96........92.14..864.......8.1.6...2;117;941120;Z86U0eGQ0sS0L4
1.3...78..56...1..78.....65....7.........4........23.167...8.1.8.15...3..35...6..;117;1353327;5p8362W0iZgH61


The rating for the next 20 millions in expected next week
champagne
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Posts: 7737
Joined: 02 August 2007
Location: France Brittany

Re: Non degenerated tridagon puzzles direct search

Postby champagne » Tue Aug 26, 2025 7:28 pm

Not yet closed, but better results with the next 20 M puzzles,
here the best ratings

Code: Select all
12..5.....567.....7.9....6........94...91.2...9....3.8.....2....7.59.6.2...6.1..7;116;10273745;Jm152mOHeWGhe4
12..5.....567...2.7.9....6........94...91.2...9....3.8.....2....7.59.6.....6.1..7;116;10273745;JmH52mOHeWGBe4
12..5.....567.9...7.9....6........94....1.2...9....3.8.....2....7.59.6.2...6.1..7;116;10273745;Jm552mGHeWGhe4
12..5.....567.9.2.7.9....6........94....1.2...9....3.8.....2....7.59.6.....6.1..7;116;10273745;JmL52mGHeWGBe4
12..5.....567.....7.9....6........94...91.6.2.9....3.8.....2....7.59.2.6...6.1..7;116;10273883;Jm152mOLeWGhe4
12..5.....567.....7.9....6..1.....94...91.6.2.9....3.8.....2....7.59.2.....6.1..7;116;10273883;Jm15ImOLeWGBe4
12..5.....567...2.7.9....6........94...91.6...9....3.8.....2....7.59.2.6...6.1..7;116;10273883;JmH52mOHeWGhe4
12..5.....567...2.7.9....6..1.....94...91.6...9....3.8.....2....7.59.2.....6.1..7;116;10273883;JmH5ImOHeWGBe4
12..5.....567.9...7.9....6........94....1.6.2.9....3.8.....2....7.59.2.6...6.1..7;116;10273883;Jm552mGLeWGhe4
12..5.....567.9.2.7.9....6........94....1.6...9....3.8.....2....7.59.2.6...6.1..7;116;10273883;JmL52mGHeWGhe4
.234...8.4.678..2.78..23.......6.....7.....3.......5.13.....6.48...7.....426.....;116;15262730;EgJp0222e1D2E0
.234...8.4.678..2.78..23.......6.....7.....3.......5.13.....6.48...74.....26.....;116;15262730;EgJp0222e1D6C0
....567.....7.912....12...52..........4.....6.3.....9.....9.....61.7295..7.5.16..;117;12139724;m1TOC04KGGmUg1
1.3.5.....5678....78...3....31..5...67.8.1......36...7...6...5.....1.9.48.....6..;117;15077859;Lm3Zm4h0Z82g11
1.3.56....5678....78...3....31..5...67.8.1......3....7...6...5.....1.9.48.....6..;117;15077859;rm3Zm4h0X82g11
..3...78..56.8.1.378......5.3.5.1..78......3..75....16.....2.......3.6...1.9.....;117;15277074;4pg3Kb1omW0AA0
..3...78..56.8.1.378......5.3.5.1..78.1....3..75.....6.....2.......3.6...1.9.....;117;15277074;4pg3Kb5oWW0AA0
1.3...78..56.8.1.378......5.3.5.1..78......3..75.....6.....2.......3.6...1.9.....;117;15277074;5pg3Kb1oWW0AA0
..3.56.8..5.7..1..7..1.3.6..1.37....53..6....6.7..8..1......2..8.....95..........;118;10418321;qI9fI3Jea09O00
1...5.7.9...7.912.....2..6521.69......4.....6.3.....9....96......1.72.5..7.5.1...;118;11699945;H5TGU34KGOWMg0
1...5.7.9...7.912.....2..6521..6......4.....6.3.....9....69......1.72.5..7.5.1...;118;12139724;H5TGU24KGOWMg0


Too late for a deeper analysis, more to come to-morrow
champagne
2017 Supporter
 
Posts: 7737
Joined: 02 August 2007
Location: France Brittany

Re: Non degenerated tridagon puzzles direct search

Postby champagne » Wed Aug 27, 2025 7:45 am

I loaded in the google drive a new file containing 2 071 162 45343 puzzles rating skfr >= 10.5
the file named "scanprbadd1" contains all puzzles derived from the direct scan (except the "families") after 40 millions puzzles rated in the big vicinity step.

the status per rating in this file is

Code: Select all
Er   CountOfpuz
105   877349
106   328768
107   18399
108   49744
109   179068
110   408970
111   190994
112   13706
113   1224
114   897
115   1221
116   721
117   96
118   5


the new 11.8

Code: Select all
..3.56.8..5.7..1..7..1.3.6..1.37....53..6....6.7..8..1......2..8.....95..........;118;10418321;qI9fI3Jea09O00;249;9
1...5.7.9...7.912.....2..6521.69......4.....6.3.....9....96......1.72.5..7.5.1...;118;11699945;H5TGU34KGOWMg0;348;4
....5.7.9...7.912....12..6521..6......4.....6.3.....9....69......1.72.5..7.5.1...;118;12139724;G5TOU24KGOWMg0;348;4
....567.9...7.912....12..6521.........4.....6.3.....9....69......1.72.5..7.5.1...;118;12139724;m5TOU04KGOWMg0;348;4
1...5.7.9...7.912.....2..6521..6......4.....6.3.....9....69......1.72.5..7.5.1...;118;12139724;H5TGU24KGOWMg0;348;4


are in four different solution grids, with 2 targets very similar (348,4)

these puzzles are in 45343 solution grids for 45476 targets.

Next step will be to add the results for 40 more million puzzles to close the first chunk of this big vicinity
Then I'll have to choose what to do in priority for the next steps
champagne
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Posts: 7737
Joined: 02 August 2007
Location: France Brittany

Re: Non degenerated tridagon puzzles direct search

Postby champagne » Fri Aug 29, 2025 9:22 am

the final result for the next 20 millions puzzles is ready with 1.2M puzzles rating >=10.5, but a relatively low number of very high ratings.
I wait for the next 20m ratings to update the drive.

Here are the best rating seen

Code: Select all
1.3.5......678.....8.1.3.6..3.6.....5...38..18.7..1..6.7....9.2.15...........7.5.;116;13436390;LW3gI1nia2r0W2
1.3.5......678.....8.1.3.6..3.67....5...38..18.7..1..6.7....9.2.15.............5.;116;13436390;LW3gI3nia2r002
1.3.56.....678.....8.1.3.6..3.......56..38..18.7..1..6.7....9.2.15...........7.5.;116;13436390;rW3gI0pia2r0W2
1.3.56.....678.....8.1.3.6..3..7....56..38..18.7..1..6.7....9.2.15.............5.;116;13436390;rW3gI2pia2r002
.23......45...9..37.9.2.4.523..75....4739....9.5..4........78.2......6.........5.;116;13524582;6OaLT6Ue4W5802
.23......45...9..37.9.2.4.523..75.4...739....9.5..4........78.2......6.........5.;116;13524582;6OaLTMSe4W5802
.23......45...9..37.9.2.4.523..75.4...739.5..9....4........78.2......6.........5.;116;13524582;6OaLTMS94W5802
1...5.78...678...3...1.3...2.45..67....86..........5......1.85....6...17.1..7.3.6;116;15557227;HZZeePO08G3nI5
1...5.78...678...3...1.3.6.2.45...7....86..........5......1.85....6...17.1..7.3.6;116;15557227;HZZegHO08G3nI5
1...5.78...678.1.3.....3...2.45..67....86..........5......1.85....6....7.1..7.3.6;116;15557227;HZhWePO08G3XI5
1...5.78...678.1.3.....3.6.2.45...7....86..........5......1.85....6....7.1..7.3.6;116;15557227;HZhWgHO08G3XI5
12...6..94...8......912........9....86..........64.35..4.8..2...189..6....2.14...;116;15652450;ZC2S0230RAn9q0
12...6..94...8.....8912........9....86..........64.35..4.8..2...1.9..6....2.14...;116;15652450;ZC2U0230RAH9q0
12.4.6..94...8......912........9....86..........6..35..4.8..2...189..6....2.14...;116;15652450;hC2S0230PAn9q0
12.4.6..94...8......912........9....86..........64.35..4.8..2...189..6....2.1....;116;15652450;hC2S0230RAn9K0
12.4.6..94...8.....8912........9....86..........6..35..4.8..2...1.9..6....2.14...;116;15652450;hC2U0230PAH9q0
12.4.6..94...8.....8912........9....86..........64.35..4.8..2...1.9..6....2.1....;116;15652450;hC2U0230RAH9K0
12.4.6..94.6.8......912........9....86..........6..35..4.8..2...189.26......14...;116;15652450;hi2S0230PAnDm0
12.4.6..94.6.8.....8912........9....86..........6..35..4.8..2...1.9.26......14...;116;15652450;hi2U0230PAHDm0
..3...78.....8.1.3...1...65...6.5.7.6..81........37....6857.....4.....1.9.1....5.;116;16156911;43g86LP06UGG52
....567.9.....912....1...65.......7..9...16.261..7259.3.52.7...8...............57;116;16895641;m5S86GYTUj8006
....567.9.....912....1...65.......71.9...16.26...7259.3.52.7...8...............57;116;16895641;m5S86mYDUj8006
1...567...56...1..7.9.2....2...............48...9..23...259...65.16.....9...71...;116;17812512;nn8L8006PSi1n0
1...567...56...1..7.9.2....2...............48...9..23..7259..1.5.16.....96..71...;116;17812512;nn8L8006PUg1p0
1...567...567..1....9.2....2...............48...9..23..7259..1.5.16.....96..71...;116;17812512;nn9K8006PUg1p0
12...6..9.56...12.7.9.....52..91.6.7..1...2.........5......597...23.7......84....;116;18125649;ZqO5Ch41GWZ5O0
12...6..9.56...12.7.9.....52.591.6.7..1...2.........5.......97...23.7......84....;116;18125649;ZqO5ih41G0Z5O0
.........45...9....8912.......6...91......87...7...2.6....7861....2.19.88..96...7;116;20309082;0O4U0n0Zem3jP4
.........45...9....8912.......6.7.91......8....7...2.6....7861....2.19.88..96...7;116;20309082;0O4U0r0Xem3jP4
.........45...9....8912......86...91......87...7...2.6....7861....2.19.8...96...7;116;20309082;0O4UWn0Zem3jO4
.........45...9....8912......86.7.91......8....7...2.6....7861....2.19.8...96...7;116;20309082;0O4UWr0Xem3jO4
........945...9....8912......86.7.91.......7....8..2.6....7861..7.2.1..8...96...7;116;20309082;0S4UWr02fmJbO4
........945...9....8912......86.7.91......87.......2.6....7861..7.2.1..8...96...7;116;20309082;0S4UWr03emJbO4
1.3.5.....567.....78.1.3.....8....4.....6.3...6....8.2...6.8.....5.37.1....51...7;116;20731166;Lm1hWGGHeeWMO4
.....67...5...912....12..65..1...597.38.7.2..............69........12.7....5.79.1;116;20924091;WHSOcuM10O0Me5
.....67...5...912....12..65..1...597.38.7.2..............69..5.....12......5.79.1;116;20924091;WHSOcuM10O26e5
....567...5...912....12..6...1...597.38.7.2..............69........12.7....5.79.1;116;20924091;mHSOYuM10O0Me5
....567...5...912....12..6...1...597.38.7.2..............69..5.....12......5.79.1;116;20924091;mHSOYuM10O26e5
.23...7..45...9...7.9.2......5.......9..4..16....3.5.4..237..4.....95..2.3...4...;116;22818189;6P4LW0I6gS2cY0
.23...7..45...9...7.9.2.....45.......9..4..16....3.5.....37..4.....95..2.3.2.4...;116;22818189;6P4Lm0I6AO2cg0
.23...7..45...9...7.9.2.....45.......9..4..16....3.5....237..4.....95..2.3...4...;116;22818189;6P4Lm0I6AS2cY0
.23...7..45...9...7.9.2.4....5.......9..4..16....3.5.4...37........95..2.3.2.4...;116;22818189;6P4LX0I6gO0cg0
.23...7..45...9...7.9.2.4....5.......9..4..16....3.5.4..237........95..2.3...4...;116;22818189;6P4LX0I6gS0cY0
.234..7..45...9...7.9.2......5.......9..4..16....3.5.4...37..4.....95..2.3.2.....;116;22818189;EP4LW0I6gO2cA0
.234..7..45...9...7.9.2......5.......9..4..16....3.5.4..237..4.....95..2.3.......;116;22818189;EP4LW0I6gS2c20
.234..7..45...9...7.9.2.....45.......9..4..16....3.5.....37..4.....95..2.3.2.....;116;22818189;EP4Lm0I6AO2cA0
.234..7..45...9...7.9.2.....45.......9..4..16....3.5....237..4.....95..2.3.......;116;22818189;EP4Lm0I6AS2c20
.2345.7...5.7.9..37.9.2.......9....6..4..............8..73.2....4259..3.9....4.5.;117;11993949;UHbL0X40WimJX2
....567.....7.912...91....5..........9...16..6...7259.3.........65...271.4.2.....;117;16128681;m1TC40Y9U1muA0
....567.9..67.912....1....5..........9...16..61..7259.3.........65...271.4.2.....;117;16128681;mbT840YPU1muA0
1...567.9...7.912.....2...52..9.......8.....6..4........569........7295..7...16..;118;19822582;n5TGC14a0S0UY1
1...567.9...7.912.....2..652..9.......8.....6..4........569........7295..7...1...;118;19822582;n5TGE14a0S0UY0
champagne
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Re: Non degenerated tridagon puzzles direct search

Postby yzfwsf » Sat Aug 30, 2025 7:16 pm

champagne wrote:the final result for the next 20 millions puzzles is ready with 1.2M puzzles rating >=10.5, but a relatively low number of very high ratings.
I wait for the next 20m ratings to update the drive.
Here are the best rating seen

Can you provide puzzles with skfr=9.3~9.9 and can pass T&E(1)? Maybe there will be a puzzle with high B rating, breaking the longest record of 30.
yzfwsf
 
Posts: 947
Joined: 16 April 2019

Re: Non degenerated tridagon puzzles direct search

Postby champagne » Sat Aug 30, 2025 8:36 pm

I think that I saved all SKFR results of this big vicinity search.
Running a variant of my code to select skfr<10 is not a big problem.
I have no idea so far of the % of such puzzles, but the file could have millions of puzzles.
And as I did not follow this bxb hunting, I don't know what is the relevant cutoff.

I'll make a test to-morrow on one file with a filter 10.2 and come back to you with the results.
My standard file is
{puzzle morphed to min lexical solution grid plus ER plus rank plus bit field.}
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Re: Non degenerated tridagon puzzles direct search

Postby yzfwsf » Sat Aug 30, 2025 8:45 pm

Please provide a text file, like the hardest puzzle database you provided in the past. It is best to have skfr=9.3~9.9, and not exceed the difficulty of T&E(1), to find the highest B rating instead of bxb. bxb is equivalent to se nested dynamic chain and B rating is equivalent to dynamic chain.
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Re: Non degenerated tridagon puzzles direct search

Postby champagne » Sun Aug 31, 2025 5:33 am

you have a first file to check in my google drive _yzf1
about 450k puzzles rating skfr <=10.0

my "easy filter is close to T&E1 with no uniqueness rule
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Re: Non degenerated tridagon puzzles direct search

Postby champagne » Sun Aug 31, 2025 4:21 pm

Hi yzfwsf,

Let me know if this has any interest for you.

I have likely have about 8 millions of such puzzles rated or nearly rated.
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Re: Non degenerated tridagon puzzles direct search

Postby yzfwsf » Sun Aug 31, 2025 7:25 pm

champagne wrote:you have a first file to check in my google drive _yzf1
about 450k puzzles rating skfr <=10.0
my "easy filter is close to T&E1 with no uniqueness rule

This puzzle collection consists of 58935 puzzles that pass the filters of skfr>=9.0 and t&e(1). The highest B rating is 23, and there are 8 puzzles in total as shown below.
Code: Select all
.23...7.9..67..1.........65.1..6..........9..9..3.8....7...2...5......71.915..6.2;93
.23.....9.567..1..7......65.1..6..........9..9..3.8....7...25....2....71.915..6.2;93
.23.....9.567..1..7......65.1..6..........9..9..3.8....7...25....1....72.925..6.1;93
.23...7.9.567..1.........65.1..6..........9..9..3.8....7...25....1....72.925..6.1;93
.23...7.9.567..1.........65.1..6..........9..9..3.8....7...25....2....71.915..6.2;93
...4.67.....78..2.....23.6.2.7...5..34.8......68.3.2........3....4......83..7.95.;93
.23.....9..67..1..7......65.1..6..........9..9..3.8....7...2...5......71.915..6.2;93
123.....9..67..1.........65.1..6..........9..9..3.8....7...2...5......71.915..6.2;93
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Re: Non degenerated tridagon puzzles direct search

Postby champagne » Mon Sep 01, 2025 1:27 am

we have to keep in mind that all these puzzles have a tridagon threat. examples B29 B30 seen have exocets
I'll load to-day next files

EDIT I have likely to lower my 10.0 cutoff, but I let you select puzzles in my file
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Re: Non degenerated tridagon puzzles direct search

Postby champagne » Mon Sep 01, 2025 6:33 am

A new file yzf2 is available. I killed the first one.

BTW, I had several very old files in the "grey area" in the google drive, many of them with an exocet pattern and a lower rating. I cleaned the drive recently and likely lost these files not saved on my computer. I'll chek .
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Re: Non degenerated tridagon puzzles direct search

Postby yzfwsf » Mon Sep 01, 2025 5:06 pm

champagne wrote:A new file yzf2 is available. I killed the first one.

This puzzle set consists of 54941 puzzles that pass the filters of skfr>=9.3 and t&e(1). The highest B rating is 25, and there are 3 puzzles as shown below.
Code: Select all
.2..567.9..6...1..7.9.....5....17....719.56.2..5.4.....9...8...512............2..;93
12..567.9..6...1..7.9.....5....17....7.9.56.2..5.4.....9...8...512............2..;93
.23.....945.....2.7.9...4....4.75......29.....953.4..2............837.1...75..3..;93
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Re: Non degenerated tridagon puzzles direct search

Postby champagne » Mon Sep 01, 2025 6:44 pm

I have lost the grey area, but I still have the database controlling old seeds.
I started a rating in the file with 20-23 clues.
I am curious to see if such puzzles are in the limits of your criteria.
They have a better chance to deliver long chains.

9..8..7...8..6......5..4...7..3...6..2..4.9....1.....54..9...3..6..7.2.......1..8 ED=9.4/9.4/9.4
9..8..7...8..6..5...4..3...6...9.8...5.....3...2.....13..7..6...4..2..9......1..4 ED=9.7/9.7/7.8
9..8..7...8..6..5...4..3...8..2....1..3..4.2.......9..7.......4.2.1..8....8.5..6. ED=9.7/9.7/9.7
9..8..7...8..6..5...4..3...8..9....7.6..2..8...3..4...2....8.1..1......5....1.6.. ED=9.6/1.2/1.2
9..8..7...8..6..5...5..4...6....32...1.....6.....9...41..7......2..4...9..3..28.. ED=9.7/9.7/9.2
9..8..7...8..7......6..5.8.6....4..5.3.2...4...2...6...1.9.......5..2.3.....8...1 ED=9.7/9.7/9.0
9..8..7...8..7......6..9.5.4..3....2.9..1..3...3..6...2.......4.1...5.9....7..6.. ED=9.4/9.4/3.4
9..8..7...8..7..6...5..4...3.......4.6..2.1....71...9..2..8.9.....3....5.....6.8. ED=9.7/9.7/3.4
9..8..7...8..7..6...5..4..38......3..2..3.6..........24....51...1..2...6..89..... ED=9.7/9.7/6.6
9..8..7...8..7..6...5..9...4..3...2..5...74......4...1.9...68.....2....3....1..4. ED=9.6/9.6/9.4
9..8..7...8..7..6...7.....54..3.......5.8.9.......2..13....4....7.1....2..9.6.5.. ED=9.7/9.7/9.4
9..8..7...8..7..6...7.....54..3......2...1.3...3.5.9...1...4.....5.9.6.....2....8 ED=9.7/9.7/9.7
9..8..7...8..7..6...7..5..43...2.....1.....2...81..3...7.9..8....9.4...5.....6... ED=9.6/1.2/1.2
9..8..7...8..9......6..5.9.5...6..4..6...3.....34..2..1..7..9....2..4.3.........1 ED=9.6/9.6/3.8
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