KnightX 1.97 released

[chrisjly]

v1.97, October 2019
Fixed a buffer overrun crash when the principal variation was too long
Positional evaluation fixes and tree searching improvement
Fixed a Nalimov tablebase initialization problem. It works now and the program can get the tb path configured in winboard/xboard/arena (nalimov:path)

Christophe Jolly

http://technochess.free.fr

[chrisjly]

Knightx v1.97a, October 2019
Fixed a tablebase probing error. Sometimes missed the winning move and drawed the game