r1q1kb1r/pp3pp1/n1pp3p/4pn1b/1PPPP3/5PP1/P1Q2K1P/RNB2BNR b q - 2 15
FEN state: r1q1kb1r/pp3pp1/n1pp3p/4pn1b/1PPPP3/5PP1/P1Q2K1P/RNB2BNR b q - 2 15 ; Best move: f5d4
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at f7 and black pawn at g7. Black knight at a6, black pawn at c6, black pawn at d6 and black pawn at h6. Black pawn at e5, black knight at f5 and black bishop at h5. White pawn at b4, white pawn at c4, white pawn at d4 and white pawn at e4. White pawn at f3 and white pawn at g3. White pawn at a2, white queen at c2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, 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 2. Full move number is 15. Black to move.