b1rq1bn1/p1pkpp1r/3p4/4P2p/1P3Bp1/2P1QPP1/1P3K1P/RN4NR b - - 2 21
FEN state: b1rq1bn1/p1pkpp1r/3p4/4P2p/1P3Bp1/2P1QPP1/1P3K1P/RN4NR b - - 2 21 ; Best move: d7e8
The current state of the chess board is: Black bishop at a8, black rook at c8, black queen at d8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black king at d7, black pawn at e7, black pawn at f7 and black rook at h7. Black pawn at d6. White pawn at e5 and black pawn at h5. White pawn at b4, white bishop at f4 and black pawn at g4. White pawn at c3, white queen at e3, white pawn at f3 and white pawn at g3. White pawn at b2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. Black to move.