Black To Play And Win Material

FROM this evening's London League division two match between Battersea 2 and Streatham & Brixton 2.

Black to make his 19th move in Spanton (168) - Jagdip Patel (168)

*****
*****
*****
*****
*****
*****
*****
*****
*****
19....Nb4!
White loses a vital pawn.
I played what turns out to be Stockfish10's choice …
20.Nxb4
… the point being that after …
20...Bxf4+ 21.Be3 Bxe3+ cxb4
… White has at least got rid of the bishop-pair, but the position is both simplified and lost (0-1, 45 moves).
My updated Battersea statistics for 2019-20
Event*..Colour...Grade...Opponent's Grade...Result
CLL..…...B....…..168...………169...……….....W
CLL...…..B...…...168...………196...…………..D
CLL...…..W...…..168...………176...…………..L
LL....……W...…..168...…....…175...………….D
CLL...…..B...…...168...………192...…………..D
CLL...…..W...…..168...………181...…………..L
LL...…….W...…..168...………168...…………..L
Overall this season for Battersea I have scored +1=3-3 for a grading performance of 165.
In season 2018-19 I scored +12=12-13 for a grading performance of 169.
In season 2017-18 I scored +10=8-9 for a grading performance of 175.
*CLL: Central London League; LL: London League