rnb3r1/p2k1pp1/q2bN3/1p2p1RP/PPnp3P/R1P4B/3BPP2/1N2K3 b - - 1 20
FEN state: rnb3r1/p2k1pp1/q2bN3/1p2p1RP/PPnp3P/R1P4B/3BPP2/1N2K3 b - - 1 20 ; Best move: d7e7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at g8. Black pawn at a7, black king at d7, black pawn at f7 and black pawn at g7. Black queen at a6, black bishop at d6 and white knight at e6. Black pawn at b5, black pawn at e5, white rook at g5 and white pawn at h5. White pawn at a4, white pawn at b4, black knight at c4, black pawn at d4 and white pawn at h4. White rook at a3, white pawn at c3 and white bishop at h3. White bishop at d2, white pawn at e2 and white pawn at f2. White knight at b1 and white king at e1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.