I need help

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achintyads

hello dear all. i am facing a problem and need help. i have installed 'scid on the go' on my android phone. i am studying the famous game between Richard Reti and Savielly Tartakower (http://www.chessgames.com/perl/chessgame?gid=1250654). while doing that, i activated the analysis mode of the app on the 9th move. and it read:
[56] m2 Kxd4 Bg5+ Kc7 Bd8+
d:56 1:0-0-0 t:0.23 n:5080 nps:21896
i cannot understand what it means. can someone please help.
thank you

achintyads

Thaaaaaank you dear Binnenmajuskel for thinking so passionately.