[FEN "r2qk2r/ppp2pp1/2n1pn1p/5b2/2BP3B/P1P1PQ2/5PPP/R3K1NR b KQkq"]

10... g5 11. Bg3


w b wb bw | w b wb bw

b     an
    


10...g5      an
    


11. Bg3      an