4kb1r/n1q1p1p1/rp1p1p1p/p1p5/3PP1nP/N1NB4/PPP2PP1/R1B2RK1 w k - 0 17
FEN state: 4kb1r/n1q1p1p1/rp1p1p1p/p1p5/3PP1nP/N1NB4/PPP2PP1/R1B2RK1 w k - 0 17 ; Best move: c3d5
The current state of the chess board is: Black king at e8, black bishop at f8 and black rook at h8. Black knight at a7, black queen at c7, black pawn at e7 and black pawn at g7. Black rook at a6, black pawn at b6, black pawn at d6, black pawn at f6 and black pawn at h6. Black pawn at a5 and black pawn at c5. White pawn at d4, white pawn at e4, black knight at g4 and white pawn at h4. White knight at a3, white knight at c3 and white bishop at d3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white rook at f1 and white king at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 17. White to move.