r4b1r/pp2k2p/P3b1pn/2NpppP1/1Pp5/R1NBPn2/2PP1P1P/2BQ1K1R b - - 1 18
FEN state: r4b1r/pp2k2p/P3b1pn/2NpppP1/1Pp5/R1NBPn2/2PP1P1P/2BQ1K1R b - - 1 18 ; Best move: f3g5
The current state of the chess board is: Black rook at a8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at e7 and black pawn at h7. White pawn at a6, black bishop at e6, black pawn at g6 and black knight at h6. White knight at c5, black pawn at d5, black pawn at e5, black pawn at f5 and white pawn at g5. White pawn at b4 and black pawn at c4. White rook at a3, white knight at c3, white bishop at d3, white pawn at e3 and black knight at f3. White pawn at c2, white pawn at d2, white pawn at f2 and white pawn at h2. White bishop at c1, white queen at d1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.