|  |  | 20 | $197.50
| Free | 14h 12m | |
| MCO-14, the chess player's bible
| | 1 | $7.99
| Free | 16h 44m | |
| | | 6 | $9.25
| $4.00 | 9h 10m | |
| | | - | $0.01
| $4.99 | 4h 12m | |
| | | - | $0.01
| $4.99 | 4h 02m | |
|
| | | - | $4.44
| $4.50 | 5h 18m | |
| | | - | $0.01
| $4.99 | 4h 33m | |
| | | - | $0.01
| $4.99 | 3h 54m | |
| | | | 1 | $0.01
| $4.99 | 4h 42m | |
| | | 3 | $14.94
| $3.50 | 6h 46m | |
| | | - | $4.99
| $3.50 | 3h 29m | |
| | | 4 | $18.27
| $3.50 | 7h 08m | |
| | | 1 | $0.01
| $4.99 | 3h 59m | |
| | | 3 | $12.72
| $3.50 | 7h 36m | |
| | | - | $0.99
| $4.00 | 7h 04m | |
| | | - | $4.44
| $4.50 | 5h 22m | |
| | | - | $5.99
| $3.50 | 9h 51m | |
| | | 5 | $7.06
| $8.00 | 13h 07m | |
| | | 2 | $5.24
| $3.04 | 8h 53m | |
| | | - | $3.99
| $3.95 | 16h 00m | |
| | | - | $18.99
| $3.86 | 8h 41m | |
| | | - | $0.99
| $3.00 | 11h 22m | |
| | | - | $9.99
| $4.10 | 15h 13m | |
| | | - | $5.00
| $7.00 | 1d 12m | |
| | | | - | $3.50
| $2.00 | 12h 42m | |
| | | 6 | $36.00
| $9.50 | 14h 47m | |
| | | 13 | $45.00
| $9.50 | 14h 48m | |
| | | 1 | $3.99
| $3.95 | 15h 52m | |
|
| | | - | $4.00
| $4.25 | 1d 03h 27m | |
| | | 1 | $4.99
| $2.74 | 1d 08h 53m | |
| | | 2 | $4.00
| $7.00 | 1d 10m | |
| | | 1 | $4.00
| $7.00 | 1d 10m | |
| | | 1 | $0.99
| $4.99 | 1d 02h 53m | |
| | | - | $7.00
| $3.50 | 1d 04h 51m | |
| | | - | $9.99
| $5.00 | 1d 00m | |
| | | - | $3.00
| $11.00 | 1d 13m | |
| | | - | $11.95
| $3.50 | 1d 04h 28m | |
| | | - | $7.00
| $3.50 | 1d 04h 55m | |
| | | - | $7.00
| $3.50 | 1d 05h 00m | |
| | | - | $7.00
| $3.50 | 1d 05h 07m | |
| | | - | $4.50
| $3.50 | 1d 05h 20m | |
| | | - | $0.25
| $4.50 | 1d 09h 36m | |
| | | - | $2.00
| $3.00 | 1d 08h 58m | |
| | | 5 | $2.29
| $2.85 | 1d 11h 08m | |
| | | - | $2.99
| Calculate | 2d 14h 16m | |
| | | - | $5.95
| $4.45 | 1d 14h 32m | |
| | | 1 | $0.99
| $2.95 | 1d 15h 22m | |
| Game instruction book
| | - | $9.99
| $4.80 | 2d 00m | |
| | | - | $14.99
| $3.00 | 2d 07h 28m | |
| | | - | $9.99
| $4.50 | 2d 05h 26m | |
