r3kb2/pp2pppb/n1p4r/6Pp/P1pq4/4P2B/1P1P1K1P/RNB4R w q - 1 15
FEN state: r3kb2/pp2pppb/n1p4r/6Pp/P1pq4/4P2B/1P1P1K1P/RNB4R w q - 1 15 ; Best move: e3d4
The current state of the chess board is: Black rook at a8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7, black pawn at g7 and black bishop at h7. Black knight at a6, black pawn at c6 and black rook at h6. White pawn at g5 and black pawn at h5. White pawn at a4, black pawn at c4 and black queen at d4. White pawn at e3 and white bishop at h3. White pawn at b2, white pawn at d2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 15. White to move.