1n2k3/rp3p1r/pPp3pn/3Bp1Pp/6b1/b2PPRP1/PBP2P1N/R2K1Q2 b - - 0 20
FEN state: 1n2k3/rp3p1r/pPp3pn/3Bp1Pp/6b1/b2PPRP1/PBP2P1N/R2K1Q2 b - - 0 20 ; Best move: a7a8
The current state of the chess board is: Black knight at b8 and black king at e8. Black rook at a7, black pawn at b7, black pawn at f7 and black rook at h7. Black pawn at a6, white pawn at b6, black pawn at c6, black pawn at g6 and black knight at h6. White bishop at d5, black pawn at e5, white pawn at g5 and black pawn at h5. Black bishop at g4. Black bishop at a3, white pawn at d3, white pawn at e3, white rook at f3 and white pawn at g3. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at f2 and white knight at h2. White rook at a1, white king at d1 and white queen at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.