rnb4r/1p1kq2p/2p4b/Q1Ppnpp1/PP1PpP2/R5P1/4P2P/1NB1KBNR b K - 0 15
FEN state: rnb4r/1p1kq2p/2p4b/Q1Ppnpp1/PP1PpP2/R5P1/4P2P/1NB1KBNR b K - 0 15 ; Best move: a8a5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at h8. Black pawn at b7, black king at d7, black queen at e7 and black pawn at h7. Black pawn at c6 and black bishop at h6. White queen at a5, white pawn at c5, black pawn at d5, black knight at e5, black pawn at f5 and black pawn at g5. White pawn at a4, white pawn at b4, white pawn at d4, black pawn at e4 and white pawn at f4. White rook at a3 and white pawn at g3. White pawn at e2 and white pawn at h2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 15. Black to move.