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While stocking up my pool of Regular Samurai puzzles (just in case Tarek does not return any time soon) this one just popped up.
If the number of nodes traversed during Recursive Solve is any benchmark, this one should be awful, and much harder than Ruud's Ronin Samurai-X, even tough it is a non-X Samurai and hence has fewer restrains.



Glyn Samurai #4 (Chief Wizard)

Rating based on required solving techniques:  Hellish Nightmare   Solvable using logic only?

000000090340000002020004000080000020000005709000809500800001000060080000500902000
002000000000869000000000650004010000100600002900402500000000004000704000000008230
000080000000070000000002000000010040680500072000007000000100000000000000000706000
080090000500000000600800000000000000190002007008050000000027300807600000046000000
000080050000070003000005090000300000080000107005910000010000000300000974000496000

0 Logical Solve
1 Recursively Solve: Unique solution found with 19 guesses - 2,087,115 nodes traversed

OR

6 Naked Single
26 Hidden Single
28 Intersection
1 Naked Pair
4 Naked Triplet
1 Naked Quad
1 Two String Kite
2 XY-X-Chain up to 3 links
8 XY-X-Chain
1 Grouped XY-Chain up to 3 links
6 Grouped XY-Chain
1 Recursively Solve: Unique solution found with 17 guesses - 923,692 nodes traversed


Ruud's Ronin Samurai-X:

Without Logical Solve: 24 guesses - 138,019 nodes traversed
With Logical Solve:    23 guesses - 147,570 nodes traversed

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