1r1qkbn1/p2ppppr/b1p5/2P2n1p/P3P1P1/Rp1PB3/BP2KP1P/1N3QNR b - - 1 21
FEN state: 1r1qkbn1/p2ppppr/b1p5/2P2n1p/P3P1P1/Rp1PB3/BP2KP1P/1N3QNR b - - 1 21 ; Best move: f5e3
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black bishop at a6 and black pawn at c6. White pawn at c5, black knight at f5 and black pawn at h5. White pawn at a4, white pawn at e4 and white pawn at g4. White rook at a3, black pawn at b3, white pawn at d3 and white bishop at e3. White bishop at a2, white pawn at b2, white king at e2, white pawn at f2 and white pawn at h2. White knight at b1, white queen at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.