1rbq1b2/p3pk1p/2p2p1n/1p4r1/3n1P2/P1P1P1P1/1P1N3P/R1BQKBR1 w Q - 3 16
FEN state: 1rbq1b2/p3pk1p/2p2p1n/1p4r1/3n1P2/P1P1P1P1/1P1N3P/R1BQKBR1 w Q - 3 16 ; Best move: e3d4
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8 and black bishop at f8. Black pawn at a7, black pawn at e7, black king at f7 and black pawn at h7. Black pawn at c6, black pawn at f6 and black knight at h6. Black pawn at b5 and black rook at g5. Black knight at d4 and white pawn at f4. White pawn at a3, white pawn at c3, white pawn at e3 and white pawn at g3. White pawn at b2, white knight at d2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 3. Full move number is 16. White to move.