1n2k1nr/r3p1b1/p2p1ppp/P1p2P2/N1p3Q1/7P/1P2K1PR/R1B1NB2 b k - 1 18
FEN state: 1n2k1nr/r3p1b1/p2p1ppp/P1p2P2/N1p3Q1/7P/1P2K1PR/R1B1NB2 b k - 1 18 ; Best move: e7e5
The current state of the chess board is: Black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at e7 and black bishop at g7. Black pawn at a6, black pawn at d6, black pawn at f6, black pawn at g6 and black pawn at h6. White pawn at a5, black pawn at c5 and white pawn at f5. White knight at a4, black pawn at c4 and white queen at g4. White pawn at h3. White pawn at b2, white king at e2, white pawn at g2 and white rook at h2. White rook at a1, white bishop at c1, white knight at e1 and white bishop at f1. Black kingside is the only castle move available. Half move number is 1. Full move number is 18. Black to move.