1rb1k2r/2p2p2/pn1p3b/4p2Q/PpPP1P1P/6R1/1P1KP1Pn/RNB2BN1 b k - 4 16
FEN state: 1rb1k2r/2p2p2/pn1p3b/4p2Q/PpPP1P1P/6R1/1P1KP1Pn/RNB2BN1 b k - 4 16 ; Best move: h6f4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at c7 and black pawn at f7. Black pawn at a6, black knight at b6, black pawn at d6 and black bishop at h6. Black pawn at e5 and white queen at h5. White pawn at a4, black pawn at b4, white pawn at c4, white pawn at d4, white pawn at f4 and white pawn at h4. White rook at g3. White pawn at b2, white king at d2, white pawn at e2, white pawn at g2 and black knight at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white knight at g1. Black kingside is the only castle move available. Half move number is 4. Full move number is 16. Black to move.