rn2k1r1/1pp2p1p/p2p2p1/P3p2n/2bP1P2/RP5P/1B4P1/2KQqBNR b q - 0 15
FEN state: rn2k1r1/1pp2p1p/p2p2p1/P3p2n/2bP1P2/RP5P/1B4P1/2KQqBNR b q - 0 15 ; Best move: e1d1
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at g8. Black pawn at b7, black pawn at c7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at d6 and black pawn at g6. White pawn at a5, black pawn at e5 and black knight at h5. Black bishop at c4, white pawn at d4 and white pawn at f4. White rook at a3, white pawn at b3 and white pawn at h3. White bishop at b2 and white pawn at g2. White king at c1, white queen at d1, black queen at e1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 15. Black to move.