rn5r/pb1pk1b1/2p2p2/1p4p1/3PN3/4P1PR/1PP2PP1/3K1B2 b - - 6 20
FEN state: rn5r/pb1pk1b1/2p2p2/1p4p1/3PN3/4P1PR/1PP2PP1/3K1B2 b - - 6 20 ; Best move: b8a6
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at d7, black king at e7 and black bishop at g7. Black pawn at c6 and black pawn at f6. Black pawn at b5 and black pawn at g5. White pawn at d4 and white knight at e4. White pawn at e3, white pawn at g3 and white rook at h3. White pawn at b2, white pawn at c2, white pawn at f2 and white pawn at g2. White king at d1 and white bishop at f1. Both players have exhausted their castles. Half move number is 6. Full move number is 20. Black to move.