CYOU Changyou com Limited

CUSIP No.15911M107                            13G/A            Page 2
of 5 Pages
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   1.  NAME OF REPORTING PERSON:

       Maso Capital Partners Limited
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   2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See
Instructions):

       (a) [ ]

       (b) [ ]
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   3.  SEC USE ONLY:

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   4.  CITIZENSHIP OR PLACE OF ORGANIZATION:

       Hong Kong
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   NUMBER OF      5.   SOLE VOTING POWER:
     SHARES            2,793,128
  BENEFICIALLY    ---------------------------------------------------
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    OWNED BY      6.   SHARED VOTING POWER:
      EACH             0
   REPORTING      ---------------------------------------------------
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     PERSON       7.   SOLE DISPOSITIVE POWER:
      WITH:            2,793,128
                  ---------------------------------------------------
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                  8.   SHARED DISPOSITIVE POWER:
                       0
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   9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
       2,793,128
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  10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES:

       [ ]
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  11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):
       15.41%
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  12.  TYPE OF REPORTING PERSON (See Instructions):
       CO
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CUSIP No.15911M107                          13G/A              Page 3
of 5 Pages
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Item 1.     (a)   Name of Issuer:

                  Changyou.com Limited
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            (b)   Address of Issuer's Principal Executive Offices:

                  Changyou Building, Raycom Creative Industrial Park,
                  65 Bajiao East Road, Shijingshan District,
                  Beijing 100043
                  People's Republic of China
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Item 2.     (a)   Name of Person Filing:

                  (1) Maso Capital Partners Limited

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            (b)   Address of Principal Business Office, or if None,
Residence:

                  (1) 8/F Printing House
                        6 Duddell Street, Central
                        Hong Kong
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            (c)   Citizenship:

                  (1) Hong Kong
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            (d)   Title of Class of Securities:

                  American Depositary Shares, each representing
                        two Class A Common Shares
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            (e)   CUSIP Number:

                  15911M107
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Item 3.     If this statement is filed pursuant to Sections 240.13d-
1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

            (a) [ ]  Broker or dealer registered under Section 15 of
the Act
                     (15 U.S.C. 78o).

            (b) [ ]  Bank as defined in Section 3(a)(6) of the Act
                     (15 U.S.C. 78c).

            (c) [ ]  Insurance company as defined in Section 3(a)(19)
of the Act
                     (15 U.S.C. 78c).

            (d) [ ]  Investment company registered under Section 8 of
the
                     Investment Company Act of 1940 (15 U.S.C. 80a-8).

            (e) [ ]  An investment adviser in accordance with Section
                     240.13d-1(b)(1)(ii)(E);

            (f) [ ]  An employee benefit plan or endowment fund in
accordance
                     with Section 240.13d-1(b)(1)(ii)(F);

            (g) [ ]  A parent holding company or control person in
accordance
                     with Section 240.13d-1(b)(1)(ii)(G);

            (h) [ ]  A savings association as defined in Section 3(b)
of the
                     Federal Deposit Insurance Act (12 U.S.C. 1813);

            (i) [ ]  A church plan that is excluded from the
definition of an
                     investment company under Section 3(c)(14) of the
                     Investment Company Act of 1940 (15 U.S.C. 80a-3);

            (j) [ ]  A non-U.S. institution in accordance with
Section 240.13d-1(b)(1)(ii)(J);

            (k) [ ]  Group, in accordance with Rule 240.13d-
1(b)(1)(ii)(K).
If filing as a non-U.S. institution in accordance with Rule 240.13d-
1(b)(1)(ii)(J),
please specify the type of institution:___________________

CUSIP No.15911M107                         13G/A               Page 4
of 5 Pages
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Item 4.    Ownership as of March 19, 2019.

           (a) Amount beneficially owned:
           2,793,128

           (b) Percent of Class:
           15.41%

           (c) Number of shares as to which such person has:

              (i)   Sole power to vote or to direct the vote:
                    2,793,128
              (ii)  Shared power to vote or to direct the vote:
                    0

              (iii) Sole power to dispose or to direct the
disposition of:
                    2,793,128

              (iv)  Shared power to dispose or to direct the
disposition of:
                    0

Item 5.    Ownership of Five Percent or Less of a Class.

           If this statement is being filed to report the fact that
as of the date hereof the reporting person has ceased to be the
beneficial owner of more than 5 percent of the class of securities,
check the following []

Item 6.    Ownership of More Than Five Percent on Behalf of Another
Person.

           Not Applicable

Item 7.    Identification and Classification of the Subsidiary which
Acquired the Security Being Reported on By the Parent Holding Company.

           Not Applicable

Item 8.    Identification and Classification of Members of the Group.

           Not Applicable

Item 9.    Notice of Dissolution of Group.

           Not Applicable

Item 10.   Certification.

           By signing below I certify that, to the best of my
knowledge and belief, the securities referred to above were not
acquired and are not held for the purpose of or with the effect of
changing or influencing the control of the issuer of the securities
and were not acquired and are not held in connection with or as a
participant in any transaction having that purpose or effect.

CUSIP No.15911M107                         13G/A               Page 5
of 5 Pages
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                                  Signature.


After reasonable inquiry and to the best of my knowledge and belief,
I certify that the information set forth in this statement is true,
complete and correct.


Date:       December 19, 2019

By:    /s/ Manoj Jain
Name:  Manoj Jain
Title: Director

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