1n2kb1r/1p3p2/r6n/p1pp1b1p/1q2P2P/5PP1/PP1NP2R/R2Q1KNB w k - 3 18
FEN state: 1n2kb1r/1p3p2/r6n/p1pp1b1p/1q2P2P/5PP1/PP1NP2R/R2Q1KNB w k - 3 18 ; Best move: e4d5
The current state of the chess board is: Black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7 and black pawn at f7. Black rook at a6 and black knight at h6. Black pawn at a5, black pawn at c5, black pawn at d5, black bishop at f5 and black pawn at h5. Black queen at b4, white pawn at e4 and white pawn at h4. White pawn at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white knight at d2, white pawn at e2 and white rook at h2. White rook at a1, white queen at d1, white king at f1, white knight at g1 and white bishop at h1. Black kingside is the only castle move available. Half move number is 3. Full move number is 18. White to move.