r1bk2nr/3n4/Pp1ppp2/4qN1p/2pP2pP/Q1P2Pb1/P5PR/RNBK1B2 b - - 1 21
FEN state: r1bk2nr/3n4/Pp1ppp2/4qN1p/2pP2pP/Q1P2Pb1/P5PR/RNBK1B2 b - - 1 21 ; Best move: e5f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black knight at g8 and black rook at h8. Black knight at d7. White pawn at a6, black pawn at b6, black pawn at d6, black pawn at e6 and black pawn at f6. Black queen at e5, white knight at f5 and black pawn at h5. Black pawn at c4, white pawn at d4, black pawn at g4 and white pawn at h4. White queen at a3, white pawn at c3, white pawn at f3 and black bishop at g3. White pawn at a2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white king at d1 and white bishop at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.