r1b1qb1r/1p2kp2/n1p5/p2pp1pp/2NP1PPP/3K4/PPP4R/R1B2QN1 w - - 4 17
FEN state: r1b1qb1r/1p2kp2/n1p5/p2pp1pp/2NP1PPP/3K4/PPP4R/R1B2QN1 w - - 4 17 ; Best move: c4e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black king at e7 and black pawn at f7. Black knight at a6 and black pawn at c6. Black pawn at a5, black pawn at d5, black pawn at e5, black pawn at g5 and black pawn at h5. White knight at c4, white pawn at d4, white pawn at f4, white pawn at g4 and white pawn at h4. White king at d3. White pawn at a2, white pawn at b2, white pawn at c2 and white rook at h2. White rook at a1, white bishop at c1, white queen at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 17. White to move.