r2k1br1/2p1ppp1/p6n/Pp2nR1p/3P4/5PP1/1PPPNK1R/2BQ1B2 b - - 0 21
FEN state: r2k1br1/2p1ppp1/p6n/Pp2nR1p/3P4/5PP1/1PPPNK1R/2BQ1B2 b - - 0 21 ; Best move: e5d3
The current state of the chess board is: Black rook at a8, black king at d8, black bishop at f8 and black rook at g8. Black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at a6 and black knight at h6. White pawn at a5, black pawn at b5, black knight at e5, white rook at f5 and black pawn at h5. White pawn at d4. White pawn at f3 and white pawn at g3. White pawn at b2, white pawn at c2, white pawn at d2, white knight at e2, white king at f2 and white rook at h2. White bishop at c1, white queen 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.