
- The Inner Game of Chess: How to Calculate and Win
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From $16.13 (New)

From $16.13 (New)

| Latest | $16.13 Apr 16, '16 |
| Highest | $17.96 Nov 25, '14 |
| Lowest | $12.03 Aug 7, '15 |
| Average | $17.02 (30d avg) $16.24 (90d avg) $15.67 (180d avg) $15.10 (365d avg) $15.43 (Lifetime average) |
| Added | Nov 25, 2014 |
| Latest | $11.34 Apr 16, '16 |
| Highest | $17.95 Dec 6, '14 |
| Lowest | $11.08 Aug 7, '15 |
| Average | $11.36 (30d avg) $11.47 (90d avg) $11.50 (180d avg) $11.63 (365d avg) $11.88 (Lifetime average) |
| Added | Nov 25, 2014 |
| Latest | $11.00 Apr 16, '16 |
| Highest | $999 Dec 23, '14 |
| Lowest | $4.02 Dec 24, '15 |
| Average | $10.73 (30d avg) $10.97 (90d avg) $10.09 (180d avg) $10.77 (365d avg) $14.89 (Lifetime average) |
| Added | Nov 25, 2014 |
30 day average: 527,296
90 day average: 365,321