1nb1kb1r/r2n1p2/pp1pp3/7p/PpP1Pp1P/8/RBQP1P2/1NK2B1R w - - 0 18
FEN state: 1nb1kb1r/r2n1p2/pp1pp3/7p/PpP1Pp1P/8/RBQP1P2/1NK2B1R w - - 0 18 ; Best move: b2h8
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black knight at d7 and black pawn at f7. Black pawn at a6, black pawn at b6, black pawn at d6 and black pawn at e6. Black pawn at h5. White pawn at a4, black pawn at b4, white pawn at c4, white pawn at e4, black pawn at f4 and white pawn at h4. White rook at a2, white bishop at b2, white queen at c2, white pawn at d2 and white pawn at f2. White knight at b1, white king at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. White to move.