1r1q1b1r/p3k2p/1Pppb3/2n3pn/2PPppP1/4PP2/1PKBB2P/RNQ3NR b - - 0 21
FEN state: 1r1q1b1r/p3k2p/1Pppb3/2n3pn/2PPppP1/4PP2/1PKBB2P/RNQ3NR b - - 0 21 ; Best move: c5b3
The current state of the chess board is: Black rook at b8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black king at e7 and black pawn at h7. White pawn at b6, black pawn at c6, black pawn at d6 and black bishop at e6. Black knight at c5, black pawn at g5 and black knight at h5. White pawn at c4, white pawn at d4, black pawn at e4, black pawn at f4 and white pawn at g4. White pawn at e3 and white pawn at f3. White pawn at b2, white king at c2, white bishop at d2, white bishop at e2 and white pawn at h2. White rook at a1, white knight at b1, white queen at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.