AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON January 26, 2006

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                                (Amendment No. )


                            Chordiant Software, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                         Common Stock ($.001 par value)

                         (Title of Class of Securities)

                                    170404107
                      -------------------------------------
                                 (CUSIP Number)

             (Date of Event Which Requires Filing of this Statement)

                                December 31, 2005
                      -------------------------------------

         Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

         (X)    Rule 13d-1 (b)
         ( )    Rule 13d-1 (c)
         ( )    Rule 13d-1 (d)

         *The  remainder  of this cover page shall be filled out for a reporting
person's  initial  filing on this  form with  respect  to the  subject  class of
securities,  and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

         The information  required in the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise  subject to the  liabilities of that section of
the Act but shall be subject to all other  provisions of the Act  (however,  see
the Notes).










CUSIP NO. 170404107

1        NAME OF REPORTING PERSONS

                  Missouri Valley Partners, Inc.

         IRS Identification Nos. of above persons

2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

                                                                    (a)____

                                                                    (b)____

3        SEC USE ONLY


4        CITIZENSHIP OR PLACE OF ORGANIZATION

                      Missouri

                                     5     SOLE VOTING POWER          2,859,494 
                                     -------------------------------------------
NUMBER OF
SHARES BENE-                         6     SHARED VOTING POWER            0     
FICIALLY                             -------------------------------------------
OWNED BY EACH
REPORTING                            7     SOLE DISPOSITIVE POWER     4,056,809 
PERSON WITH:                         -------------------------------------------

                                     8     SHARED DISPOSITIVE POWER       0   
                                     -------------------------------------------


9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                           4,056,809

10       CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ( )

11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
                                   5.3%

12       TYPE OF REPORTING PERSON (See Instructions)

                             IA - Investment Adviser



ITEM 1   (A) NAME OF ISSUER:

                            Chordiant Software, Inc.

ITEM 1   (B) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

                          20400 Stevens Creek Boulevard
                                    Suite 400
                               Cupertino, CA 95014

ITEM 2   (A) NAME OF PERSON FILING:

        The names of the  person filing  this statement (the "Reporting Person")
        is Missouri Valley Partners, Inc.

ITEM 2   (B) ADDRESS OF PRINCIPAL OFFICE:

        The address  of  the  principal office of  the Reporting  Persons is 135
        North Meramec,  Suite 500, St. Louis, MO 63105.

ITEM 2   (C) CITIZENSHIP:   Missouri Corporation

ITEM 2   (D) TITLE OF CLASS OF SECURITIES:

        This statement relates to Common Shares of the Issuer ("Shares").

ITEM 2   (E) CUSIP NUMBER: 170404107

ITEM 3   IF  THIS  STATEMENT  IS  FILED  PURSUANT TO RULES 13D-1(B) OR 13D-2(B),
         CHECK WHETHER THE PERSON FILING IS A:

         (a) ( )   Broker or dealer registered under Section 15 of  the Exchange
                   Act.

         (b) ( )   Bank as defined in Section 3(a)(6) of the Exchange Act.

         (c) ( )   Insurance  company  as  defined  in  Section 3(a)(19) of  the
                   Exchange Act.

         (d) ( )   Investment company registered under Section 8 of the  Invest-
                   ment Company Act.

         (e) (x)   An investment adviser in accordance with Rule 13d-1(b)(1)(ii)
                   (E).

         (f) ( )   An employee benefit plan or endowment fund in accordance with
                   Rule 13d-1(b)(1)(ii)(F).

         (g) ( )   A parent holding company or control person in accordance with
                   Rule 13d-1(b)(1)(ii)(G).

         (h) ( )   A  savings  association  as  defined  in  Section 3(b) of the
                   Federal Deposit Insurance Act.

         (i) ( )   A  church  plan  that  is  excluded from the definition of an
                   investment company under Section 3(c)(14)  of the  Investment
                   Company Act.

         (j) ( )   Group, in accordance with Rule 13d-1(b)(1)(ii)(J).


ITEM 4   OWNERSHIP:

(a) Amount beneficially owned: 4,056,809 
(b) Percent of class: 5.3% 
(c) Number of shares as to which the person has:
         (i) Sole power to vote or to direct the vote 2,859,494 Shares
        (ii) Shared power to vote or to direct the vote 0
       (iii) Sole power to dispose or to direct the disposition of 4,056,809
        (iv) Shared power to dispose or to direct the disposition of 0

ITEM 5   OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

                           Not Applicable

ITEM 6   OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

                           Not Applicable

ITEM 7   IDENTIFICATION AND CLASSIFICATION OF THE  SUBSIDIARIES  WHICH  ACQUIRED
         THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

                           Not Applicable

ITEM 8   IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF A 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.

                                   SIGNATURES

         After  reasonable  inquiry and to the best of our knowledge and belief,
the  undersigned  certifies that the  information set forth in this statement is
true, complete and correct.

Date: January 26, 2006


                                                Missouri Valley Partners, Inc.


                                                /s/ Ralph W. Webster III   
                                                --------------------------------
                                                    Ralph W. Webster III
                                                    Chief Operating Officer