rnbqk3/2pp2pp/3b1r2/pp2pBPP/P3p3/2P5/1P1P1PQ1/RNBK1nNR b q - 5 15
FEN state: rnbqk3/2pp2pp/3b1r2/pp2pBPP/P3p3/2P5/1P1P1PQ1/RNBK1nNR b q - 5 15 ; Best move: f6f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black king at e8. Black pawn at c7, black pawn at d7, black pawn at g7 and black pawn at h7. Black bishop at d6 and black rook at f6. Black pawn at a5, black pawn at b5, black pawn at e5, white bishop at f5, white pawn at g5 and white pawn at h5. White pawn at a4 and black pawn at e4. White pawn at c3. White pawn at b2, white pawn at d2, white pawn at f2 and white queen at g2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, black knight at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 5. Full move number is 15. Black to move.