2b1kb1r/r2pnp1R/1qp1p1P1/pp6/PnP1P3/5NP1/1P1P1P2/1NBQKB2 b k - 0 18
FEN state: 2b1kb1r/r2pnp1R/1qp1p1P1/pp6/PnP1P3/5NP1/1P1P1P2/1NBQKB2 b k - 0 18 ; Best move: e7g6
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at d7, black knight at e7, black pawn at f7 and white rook at h7. Black queen at b6, black pawn at c6, black pawn at e6 and white pawn at g6. Black pawn at a5 and black pawn at b5. White pawn at a4, black knight at b4, white pawn at c4 and white pawn at e4. White knight at f3 and white pawn at g3. White pawn at b2, white pawn at d2 and white pawn at f2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white bishop at f1. Black kingside is the only castle move available. Half move number is 0. Full move number is 18. Black to move.