r3k1r1/pbpp1p1p/1pn1p1pB/P2P4/1QB5/R1P2NPP/1P1q1P2/1N2K1R1 w q - 5 16
FEN state: r3k1r1/pbpp1p1p/1pn1p1pB/P2P4/1QB5/R1P2NPP/1P1q1P2/1N2K1R1 w q - 5 16 ; Best move: e1d2
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at g8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at b6, black knight at c6, black pawn at e6, black pawn at g6 and white bishop at h6. White pawn at a5 and white pawn at d5. White queen at b4 and white bishop at c4. White rook at a3, white pawn at c3, white knight at f3, white pawn at g3 and white pawn at h3. White pawn at b2, black queen at d2 and white pawn at f2. White knight at b1, white king at e1 and white rook at g1. Black queenside is the only castle move available. Half move number is 5. Full move number is 16. White to move.