ILLEGAL: a d8-c6 on turn 2:
There was no a on d8. The piece on d8 is a k.
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For diagnostic purposes, here is the full movelist:
1. P e2-e4 
1... p e7-e5 
2. A h1-g3 
2... a d8-c6 
3. P f2-f4 
3... p d7-d6 
4. P f4-e5 
4... p d6-e5 
5. DH g1-c5 
5... s f8-d7 
6. P d2-d4 
| 6... p b7-b6 
| // Is it just me, or is the game seeming quieter than the last?
| 7. DH c5-c6 
|| // I'm not sure but perhaps the quieter one is me/I since I
|| // was trying to avoid early simplifications, early piece's
|| // exchanges.
|| 7... dh a8-c6 
|| // And yet you just offered an exchange right now...
|| //
|| // Do you mind if I play the open Seirawan Chess invitation?
|| 8. P d4-e5 
|||| // Circumstances have induced me to make the exchange.
|||| //
|||| // I will be honored by playing Seirawan Chess with [don't
|||| // like to use the 'against' word] you!
|| // I didn't say against...
6... p f7-f6 
7. p f6-f7;p-b6;dh-c6;P-e5;a8-;b7-;c5-;d4- 
7... p f7-f6 
8. S d1-d2 //Check! (d2-d5-g8)
8... s d7-f7 
9. P e5-e6 
9... s f7-g5 
10. P e6-e7 //Check!
10... s g5-e6 
11. A g3-f5 
11... p h7-h6 
12. A f5-e6 //Check!
12... k g8-h7 
13. A e6-f8 //Check!
13... q h8-f8 
14. P e7-f8;C-f8;won //Checkmate!
In case there is a bug in the code, the settings file can be edited at /play/pbm/play.php?game=Cetran+Chess+2&settings=asymmetric&submit=Edit