A selection of tactical puzzles solved less than 10 times.

The rating of these puzzles can vary widely. For example, a puzzle can get 200 rating points added after you solve it. The more players solve this puzzle, the lower the rating value will be added to or subtracted from the rating of this puzzle (updated part of article).

Update 01.
Changed the link to point to the puzzle motif. Thus, the calculation of points that change the player's rating will be more fair. Because the motive of the puzzles has already been revealed.

Update 02.
Statistics for these puzzles updated March 14, 2023. = (Upd-01)

1.https://lichess.org/training/defensiveMove/Mj1YF
Solved 1->2 times. Rating change (of this puzzle): 1634->1905
-> Solved 30 times. Rating 2333 (Upd-01)
2.https://lichess.org/training/defensiveMove/wEWsa
Solved 6->7 times. Rating change: 1732->1853
-> Solved 145 times. Rating 1990 (Upd-01)
3.https://lichess.org/training/defensiveMove/1QFri
Solved 3->4 times. Rating change: 1718->1928
-> Solved 156 times. Rating 2017 (Upd-01)
4.https://lichess.org/training/defensiveMove/DBLdt
Solved 0->1 times. Rating change: 1500->1921
-> Solved 22 times. Rating 2562 (Upd-01)
5.https://lichess.org/training/defensiveMove/H3wvm
Solved <10 times. Rating change: ?->1908
-> Solved 107 times. Rating 1762 (Upd-01)
6.https://lichess.org/training/defensiveMove/RbDMK
Solved 0->1 times
-> Solved 67 times. Rating 1118 (Upd-01)
7.https://lichess.org/training/defensiveMove/yAHxR
Solved <10 times
-> Solved 72 times. Rating 2246 (Upd-01)
8.https://lichess.org/training/defensiveMove/K3A1H
Solved 1->2 times. Rating change: ?->1893
-> Solved 67 times. Rating 2200 (Upd-01)
9.https://lichess.org/training/defensiveMove/neEVw
Solved 1->2 times. Rating change: 1738->?
-> Solved 11 times. Rating 2060 (Upd-01)
10.https://lichess.org/training/defensiveMove/305pf
Solved <10 times
-> Solved 6 times. Rating 1966 (Upd-01)
11.https://lichess.org/training/defensiveMove/Pn2WG
Solved 2->3 times. Rating change: 1814->?
-> Solved 49 times. Rating 2542 (Upd-01)
12.https://lichess.org/training/defensiveMove/j1IET
Solved 1->2 times. Rating change: 1830->1776
-> Solved 52 times. Rating 2093 (Upd-01)
13.https://lichess.org/training/defensiveMove/mAjR4
Solved 1->2 times. Rating change: 1759->?
-> Solved 776 times. Rating 1572 (Upd-01)

added 21.02.2023:
14.https://lichess.org/training/defensiveMove/ueUjV
Solved 9 times. Rating 1948
-> Solved 132 times. Rating 2037 (Upd-01)
15.https://lichess.org/training/defensiveMove/viyOi
Solved 1 time. Rating 1902
-> Solved 17 times. Rating 2051 (Upd-01)
16.https://lichess.org/training/defensiveMove/vld9R
Solved 8 times. Rating 1912
-> Solved 47 times. Rating 2244 (Upd-01)

-====-