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[bug report] http://lichess.org/training/58726 Right solution: 1.... Rh8 2.Qf3 Rh1+ 3.Kxh1 Qh2# (mate in 3) Alternative 'N+2'- solution, that was rejected ("puzzle failed"): 1.... Qh2+ 2.Kf2 Qxg2+ 3.K…

Hmm... At now already another rook moves to g8 19.... Rg8. All is correct. Topic can be deleted. Thanks.

In this analysis http://ru.lichess.org/P0XTF78U/black#0 In comment for 15.Qg2!? there is the impossible moves: 19.... Rg8 and 20.... 0-0-0 P.S. Often I saw that a position evaluation causeless jumps t…

[Bug report] again=) http://ru.lichess.org/training/34205 Right solution: 26.Nf6+ Nxf6 27.Qg5+ Kh8 28.Qxf6+ Kg8 29.Qg5+ Kh8 30.Qh6+ Kg8 31.Qh7# (mate in 6) Alternative solution, that was rejected ("pu…

[Bug report] http://ru.lichess.org/training/56519 Although 26.Be6 Ra7 27.Rec7 Qxh2+ 28.Kxh2 a5 29.Qe7# (mate in 4) - the move 26.Be6 was rejected with "puzzle failed". In the same time the "right solu…

http://ru.lichess.org/training/25966 Bad puzzle? Why 1. Qf2+ fails (checkmate in 4) and right move (1.Rf4+) in 3? Moreover, 1.Qe1+ "is good move, but you can find better". Qe1 and Qf2 are not equivale…

Shamanics: yes, it's clear, but my point of view that this additional constraint is unnatural.

http://lichess.org/training/36109 After 1.Rh8+ Kg7 2.Rh7+ Kg8 3.Qh3 d6xe5 4.Rh8+ Kg7 5.Qh6+ Kf6 the move 6.f4xe5+ was rejected with "puzzle failed". Of course, 6.f4xe5+ is stupid, but belongs to 'N+1'…

BearJr: I think that's not better. Maybe it's reasonable even to add puzzles where you need to equalize position, rather than win. Knowledge about the winning method the problem is simplified. Althoug…

It will be good to have this possibility also for puzzles. Maybe in that case it is more reasonable. Thanks.