Chess video games list, 'o' to 'p'
| title | developer | year | platform | pop. | |||
|---|---|---|---|---|---|---|---|
| Octavius | author | 1999 | Windows | label | |||
| On Hand Chess | Sega On Hand Software | ? | Palm | image | label | ||
| Ostrich | Author | 1971 | custom | subject | label | ||
| PalmChess | Synctel Software | 1998 | WinCE | label | |||
| Patzer | Roland Pfister | 1996 | MS-DOS | label | |||
| Paul Whitehead Teaches Chess | Enlightenment | 1986 | Apple II E | label | |||
| Paul Whitehead Teaches Chess | Enlightenment;Ariolasoft | 1985 | C64 | image | label | ||
| Paul Whitehead Teaches Chess | Cypress Software | 1985 | MS-DOS | image | label | ||
| Pawns | author | 19?? | C128 | image | label | ||
| PAX Chess | author | 1997 | Windows | label | |||
| PC-Arena Chess | author | 1985 | MS-DOS | image | label | ||
| PCChess | author | 1985 | MS-DOS | image | label | ||
| Peasant | Author | 1973 | custom | subject | label | ||
| PetChess 8000 | Philidor Software | 1981 | Commodore PET | image | label | ||
| Phalanx | author | ? | Linux | label | |||
| PLIChess | ? | ? | DEC PDP-1 | label | |||
| PMICS | Mystic Software | 1996 | OS/2 | label | |||
| Pocket Chess | author | 1999 | Epoc | image | label | ||
| PocketChess | Scott Ludwig | 1998 | WinCE | image | label | ||
| PocketChess | Scott Ludwig | 1996 | Palm | image | label | ||
| Popeye | author | 1984 | MS-DOS | label | |||
| pouetChess | author | 2006 | Linux | label | |||
| Power Chess | Sierra On-Line | 1997 | Windows | label | |||
| Power Chess 2.0 | Sierra On-Line | 1999 | Windows | image | label | ||
| PowerChess | New-Ware | 1989 | MS-DOS | image | label | ||
| ProChess | author | 1994 | Windows | label | |||
| Psi Chess | The Edge | 1986 | ZX Spectrum | image | label | ||
| Psion Chess | Psion Software | 1986 | Atari ST | image | label | ||
| Psion Chess | Psion Software | 1984 | Mac OS Classic | image | label | ||
| Pure Chess | RebelPlay | 2012 | PS Vita | image | label | ||
| Puri - Master of Chess | ? | 2011 | BeOS | label | |||
| Purple Software Chess | Purple Software | ? | Epoc | label | |||
| PyChess | author | ? | Linux | label | |||
| PyTuroChamp | author | 2017 | Linux | label | |||