#17289 by mo2l

#17290 by hamza yassine

#17291 by PyChess

#17292 by Noname

#17293 by Noname

#17294 by Vesa

#17295 by Vesa

#17296 by tockfish 7, 54 ply search

#17297 by Kratluskeren

#17298 by YourMove