1rb2br1/2pp1ppp/3k4/Pp2p2P/2PnqN2/4Q1P1/PB1P1P1R/R2K1B2 b - - 0 21
FEN state: 1rb2br1/2pp1ppp/3k4/Pp2p2P/2PnqN2/4Q1P1/PB1P1P1R/R2K1B2 b - - 0 21 ; Best move: e4c2
The current state of the chess board is: Black rook at b8, black bishop at c8, black bishop at f8 and black rook at g8. Black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black king at d6. White pawn at a5, black pawn at b5, black pawn at e5 and white pawn at h5. White pawn at c4, black knight at d4, black queen at e4 and white knight at f4. White queen at e3 and white pawn at g3. White pawn at a2, white bishop at b2, white pawn at d2, white pawn at f2 and white rook at h2. White rook at a1, white king at d1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.