r1b1k2r/pp1q1pb1/n3p3/3p1Pp1/2pNP3/PPNP2P1/R1PB3n/3BK2R b Kkq - 1 17
FEN state: r1b1k2r/pp1q1pb1/n3p3/3p1Pp1/2pNP3/PPNP2P1/R1PB3n/3BK2R b Kkq - 1 17 ; Best move: g7d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black queen at d7, black pawn at f7 and black bishop at g7. Black knight at a6 and black pawn at e6. Black pawn at d5, white pawn at f5 and black pawn at g5. Black pawn at c4, white knight at d4 and white pawn at e4. White pawn at a3, white pawn at b3, white knight at c3, white pawn at d3 and white pawn at g3. White rook at a2, white pawn at c2, white bishop at d2 and black knight at h2. White bishop at d1, white king at e1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 17. Black to move.