r2qk2r/p1p2ppn/2n5/1pb1p2p/3P1PP1/PPB1Kb2/R3P1BP/1N1Q2NR w kq - 4 17
FEN state: r2qk2r/p1p2ppn/2n5/1pb1p2p/3P1PP1/PPB1Kb2/R3P1BP/1N1Q2NR w kq - 4 17 ; Best move: g1f3
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at f7, black pawn at g7 and black knight at h7. Black knight at c6. Black pawn at b5, black bishop at c5, black pawn at e5 and black pawn at h5. White pawn at d4, white pawn at f4 and white pawn at g4. White pawn at a3, white pawn at b3, white bishop at c3, white king at e3 and black bishop at f3. White rook at a2, white pawn at e2, white bishop at g2 and white pawn at h2. White knight at b1, white queen at d1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 17. White to move.