rnbk1q1r/ppp2pbp/3p4/4pnp1/4P2P/P2B2P1/1PPPNP2/RNBQ1K1R b - - 0 10
FEN state: rnbk1q1r/ppp2pbp/3p4/4pnp1/4P2P/P2B2P1/1PPPNP2/RNBQ1K1R b - - 0 10 ; Best move: f5e7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, black queen at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at f7, black bishop at g7 and black pawn at h7. Black pawn at d6. Black pawn at e5, black knight at f5 and black pawn at g5. White pawn at e4 and white pawn at h4. White pawn at a3, white bishop at d3 and white pawn at g3. White pawn at b2, white pawn at c2, white pawn at d2, white knight at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 10. Black to move.