r3kb1r/p6p/p2n4/q1pppbp1/1P1P2pP/2NQ4/1PPN1P2/2B1KB1R w Kkq - 2 16
FEN state: r3kb1r/p6p/p2n4/q1pppbp1/1P1P2pP/2NQ4/1PPN1P2/2B1KB1R w Kkq - 2 16 ; Best move: b4a5
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7 and black pawn at h7. Black pawn at a6 and black knight at d6. Black queen at a5, black pawn at c5, black pawn at d5, black pawn at e5, black bishop at f5 and black pawn at g5. White pawn at b4, white pawn at d4, black pawn at g4 and white pawn at h4. White knight at c3 and white queen at d3. White pawn at b2, white pawn at c2, white knight at d2 and white pawn at f2. White bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 2. Full move number is 16. White to move.