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Buy from Amazon $20.63$2.24 $22.50 $16.88 $11.25 $5.63 $0.00 Aug Dec Apr Aug Dec Apr Aug Dec Apr Aug 2013 2014 2015 2016 $18.71, Jul 9 - Aug 9$17.46, Aug 9 - Sep 16$18.27, Nov 19 - Aug 6$18.27, Nov 19 - Aug 6$14.46, May 3 - May 5$14.02, May 3 - May 5$18.27, Nov 19 - Aug 6$13.55, May 7 2:40 pm$13.37, May 7 2:40 pm$18.27, Nov 19 - Aug 6$13.50, May 10 10:37 am$13.30, May 10 - May 11$18.27, Nov 19 - Aug 6$13.38, May 13 9:19 am$13.38, May 13 - May 14$18.27, Nov 19 - Aug 6$13.57, May 15 3:09 pm$13.37, May 15 3:09 pm$18.27, Nov 19 - Aug 6$13.39, May 18 7:54 pm$13.38, May 17 - May 20$18.27, Nov 19 - Aug 6$13.37, May 25 4:57 am$12.66, May 22 - May 28$18.27, Nov 19 - Aug 6$13.38, May 27 5:15 pm$12.66, May 22 - May 28$18.27, Nov 19 - Aug 6$13.58, May 30 9:36 pm$13.37, May 30 9:36 pm$18.27, Nov 19 - Aug 6$13.55, Jun 2 2:27 pm$13.34, Jun 2 2:27 pm$18.27, Nov 19 - Aug 6$13.39, Jun 4 - Jun 12$13.30, Jun 5 12:42 pm$18.27, Nov 19 - Aug 6$13.39, Jun 4 - Jun 12$13.26, Jun 8 - Jun 9$18.27, Nov 19 - Aug 6$13.39, Jun 4 - Jun 12$13.23, Jun 11 - Jun 12$18.27, Nov 19 - Aug 6$13.20, Jun 14 - Jun 15$12.00, Jun 13 - Jun 19$18.27, Nov 19 - Aug 6$13.19, Jun 15 - Jun 16$12.00, Jun 13 - Jun 19$18.27, Nov 19 - Aug 6$13.20, Jun 19 - Jun 27$12.00, Jun 13 - Jun 19$18.27, Nov 19 - Aug 6$13.39, Jun 20 - Jun 22$13.20, Jun 19 - Jun 27$18.27, Nov 19 - Aug 6$13.41, Jun 23 - Jun 26$13.20, Jun 19 - Jun 27$18.27, Nov 19 - Aug 6$13.34, Jun 28 - Jun 29$13.17, Jun 28 - Jul 6$18.27, Nov 19 - Aug 6$13.36, Jun 30 - Jul 2$13.17, Jun 28 - Jul 6$18.27, Nov 19 - Aug 6$13.17, Jun 28 - Jul 6$13.14, Jul 4 - Jul 8$18.27, Nov 19 - Aug 6$13.17, Jul 9 - Jul 28$13.02, Jul 10 11:04 am$18.27, Nov 19 - Aug 6$13.17, Jul 9 - Jul 28$12.94, Jul 12 9:29 pm$18.27, Nov 19 - Aug 6$13.17, Jul 9 - Jul 28$12.77, Jul 15 7:36 pm$18.27, Nov 19 - Aug 6$13.17, Jul 9 - Jul 28$12.30, Jul 18 11:21 am$18.27, Nov 19 - Aug 6$13.17, Jul 9 - Jul 28$12.16, Jul 21 1:42 pm$18.27, Nov 19 - Aug 6$13.17, Jul 9 - Jul 28$12.14, Jul 24 6:05 pm$18.27, Nov 19 - Aug 6$13.17, Jul 9 - Jul 28$11.96, Jul 27 11:00 am$18.27, Nov 19 - Aug 6$13.17, Jul 30 - Sep 30$11.75, Jul 30 9:51 am$18.27, Nov 19 - Aug 6$13.17, Jul 30 - Sep 30$11.68, Aug 2 3:14 am$18.27, Nov 19 - Aug 6$13.17, Jul 30 - Sep 30$11.65, Aug 4 9:43 pm$19.13, Aug 7 - Oct 6$13.17, Jul 30 - Sep 30$11.49, Aug 7 9:49 pm$19.13, Aug 7 - Oct 6$13.17, Jul 30 - Sep 30$13.04, Aug 10 - Aug 11$19.13, Aug 7 - Oct 6$13.17, Jul 30 - Sep 30$12.30, Aug 12 - Aug 18$19.13, Aug 7 - Oct 6$13.17, Jul 30 - Sep 30$12.31, Aug 19 - Sep 15$19.13, Aug 7 - Oct 6$13.17, Jul 30 - Sep 30$11.50, Sep 18 - Sep 20$19.13, Aug 7 - Oct 6$13.17, Jul 30 - Sep 30$12.09, Sep 22 8:37 pm$19.13, Aug 7 - Oct 6$13.17, Jul 30 - Sep 30$11.50, Sep 23 - Sep 28$19.13, Aug 7 - Oct 6$12.95, Oct 1 - Oct 15$12.31, Oct 1 5:53 am$19.13, Aug 7 - Oct 6$13.00, Oct 2 - Oct 6$12.95, Oct 1 - Oct 15$16.64, Oct 8 - Oct 13$12.95, Oct 1 - Oct 15$12.50, Oct 8 - Nov 14$18.14, Oct 15 7:47 am$12.95, Oct 1 - Oct 15$12.50, Oct 8 - Nov 14$18.23, Oct 17 - Oct 20$12.91, Oct 18 - Oct 19$12.50, Oct 8 - Nov 14$18.32, Oct 22 - Oct 26$12.95, Oct 20 - Dec 1$12.50, Oct 8 - Nov 14$16.96, Oct 29 - Oct 31$12.95, Oct 20 - Dec 1$12.50, Oct 8 - Nov 14$18.14, Nov 3 6:41 pm$12.95, Oct 20 - Dec 1$12.50, Oct 8 - Nov 14$18.23, Nov 7 12:34 pm$12.95, Oct 20 - Dec 1$12.50, Oct 8 - Nov 14$18.32, Nov 10 - Nov 14$12.95, Oct 20 - Dec 1$12.50, Oct 8 - Nov 14$18.41, Nov 16 - Nov 23$12.95, Oct 20 - Dec 1$9.99, Nov 16 - Nov 29$18.50, Nov 24 - Nov 28$12.95, Oct 20 - Dec 1$9.99, Nov 16 - Nov 29$18.59, Nov 29 - Dec 8$13.41, Dec 1 - Jan 22$12.95, Oct 20 - Dec 1$18.59, Nov 29 - Dec 8$13.41, Dec 1 - Jan 22$13.38, Dec 3 - Dec 5$18.59, Nov 29 - Dec 8$13.41, Dec 1 - Jan 22$12.95, Dec 7 - Dec 11$18.40, Dec 9 - Dec 17$13.41, Dec 1 - Jan 22$12.95, Dec 7 - Dec 11$18.40, Dec 9 - Dec 17$13.41, Dec 1 - Jan 22$13.38, Dec 12 - Mar 23$18.21, Dec 18 - Dec 25$13.41, Dec 1 - Jan 22$13.38, Dec 12 - Mar 23$18.14, Dec 25 - Jan 27$13.41, Dec 1 - Jan 22$13.38, Dec 12 - Mar 23$18.14, Dec 25 - Jan 27$13.61, Jan 22 - Feb 18$13.38, Dec 12 - Mar 23$18.23, Jan 29 - Feb 3$13.61, Jan 22 - Feb 18$13.38, Dec 12 - Mar 23$18.32, Feb 4 - Feb 8$13.61, Jan 22 - Feb 18$13.38, Dec 12 - Mar 23$18.41, Feb 10 - Feb 12$13.61, Jan 22 - Feb 18$13.38, Dec 12 - Mar 23$18.50, Feb 13 - Feb 20$13.61, Jan 22 - Feb 18$13.38, Dec 12 - Mar 23$18.50, Feb 13 - Feb 20$13.38, Dec 12 - Mar 23$13.34, Feb 20 12:28 pm$18.59, Feb 22 - Feb 26$13.38, Dec 12 - Mar 23$13.18, Feb 22 11:12 am$18.59, Feb 22 - Feb 26$13.38, Dec 12 - Mar 23$13.01, Feb 26 - Mar 18$18.68, Feb 27 - Mar 7$13.38, Dec 12 - Mar 23$13.01, Feb 26 - Mar 18$18.49, Mar 9 - Mar 10$13.38, Dec 12 - Mar 23$13.01, Feb 26 - Mar 18$18.46, Mar 12 - Mar 31$13.38, Dec 12 - Mar 23$13.01, Feb 26 - Mar 18$18.46, Mar 12 - Mar 31$13.38, Dec 12 - Mar 23$12.94, Mar 21 5:26 am$18.46, Mar 12 - Mar 31$13.38, Dec 12 - Mar 23$12.87, Mar 23 12:03 pm$18.46, Mar 12 - Mar 31$13.21, Mar 25 7:17 pm$13.01, Mar 25 - Mar 28$18.46, Mar 12 - Mar 31$13.06, Mar 28 - Apr 23$13.01, Mar 25 - Mar 28$18.55, Apr 1 - Apr 10$13.06, Mar 28 - Apr 23$13.01, Apr 1 - Apr 10$18.64, Apr 11 - Apr 14$13.06, Mar 28 - Apr 23$12.49, Apr 12 - Apr 15$18.73, Apr 15 - Apr 23$13.06, Mar 28 - Apr 23$12.49, Apr 12 - Apr 15$18.73, Apr 15 - Apr 23$13.06, Mar 28 - Apr 23$11.94, Apr 18 - Apr 23$18.82, Apr 26 - May 1$13.06, Apr 26 - Jun 8$11.93, Apr 26 - May 2$18.63, May 2 - May 6$13.06, Apr 26 - Jun 8$11.93, Apr 26 - May 2$18.63, May 2 - May 6$13.06, Apr 26 - Jun 8$11.94, May 4 - May 12$18.44, May 8 5:35 pm$13.06, Apr 26 - Jun 8$11.94, May 4 - May 12$18.84, May 12 - May 15$13.06, Apr 26 - Jun 8$11.94, May 4 - May 12$18.84, May 12 - May 15$13.06, Apr 26 - Jun 8$11.95, May 15 9:34 am$18.25, May 19 - May 23$13.06, Apr 26 - Jun 8$12.50, May 19 - Jun 8$18.14, May 25 - Jun 27$13.06, Apr 26 - Jun 8$12.50, May 19 - Jun 8$18.14, May 25 - Jun 27$13.01, Jun 12 - Jul 6$12.01, Jun 12 - Jun 16$18.14, May 25 - Jun 27$13.01, Jun 12 - Jul 6$12.00, Jun 18 - Jun 21$18.14, May 25 - Jun 27$13.01, Jun 12 - Jul 6$12.49, Jun 25 - Jun 27$17.59, Jul 1 - Jul 8$13.01, Jun 12 - Jul 6$12.47, Jul 1 6:30 pm$17.59, Jul 1 - Jul 8$13.01, Jun 12 - Jul 6$10.99, Jul 6 12:35 am$17.59, Jul 1 - Jul 8$13.32, Jul 8 - Jul 11$12.50, Jul 8 - Jul 29$16.27, Jul 11 - Jul 22$13.32, Jul 8 - Jul 11$12.50, Jul 8 - Jul 29$16.27, Jul 11 - Jul 22$13.46, Jul 15 - Jul 17$12.50, Jul 8 - Jul 29$16.27, Jul 11 - Jul 22$13.60, Jul 19 - Jul 22$12.50, Jul 8 - Jul 29$16.14, Jul 26 - Jul 29$13.46, Jul 26 - Sep 21$12.50, Jul 8 - Jul 29$15.51, Aug 2 - Aug 6$13.46, Jul 26 - Sep 21$10.64, Aug 2 - Aug 17$15.07, Aug 10 - Aug 13$13.46, Jul 26 - Sep 21$10.64, Aug 2 - Aug 17$15.64, Aug 17 - Aug 21$13.46, Jul 26 - Sep 21$10.64, Aug 2 - Aug 17$15.64, Aug 17 - Aug 21$13.46, Jul 26 - Sep 21$10.55, Aug 21 9:58 am$16.96, Aug 25 - Sep 19$13.46, Jul 26 - Sep 21$2.24, Aug 27 2:23 am$16.96, Aug 25 - Sep 19$13.46, Jul 26 - Sep 21$10.98, Aug 30 - Sep 3$16.96, Aug 25 - Sep 19$13.46, Jul 26 - Sep 21$12.50, Sep 7 - Oct 7$18.14, Sep 21 - Sep 28$13.46, Jul 26 - Sep 21$12.50, Sep 7 - Oct 7$18.14, Sep 21 - Sep 28$13.29, Sep 25 1:52 am$12.50, Sep 7 - Oct 7$18.14, Sep 21 - Sep 28$13.06, Sep 28 - Oct 11$12.50, Sep 7 - Oct 7$20.63, Oct 3 - Mar 17$13.06, Sep 28 - Oct 11$12.50, Sep 7 - Oct 7$20.63, Oct 3 - Mar 17$13.06, Oct 11 - Oct 15$13.06, Sep 28 - Oct 11$20.63, Oct 3 - Mar 17$13.06, Oct 11 - Oct 15$13.05, Oct 15 5:33 am$20.63, Oct 3 - Mar 17$13.21, Oct 17 - Oct 19$13.21, Oct 17 1:52 am$20.63, Oct 3 - Mar 17$13.21, Oct 17 - Oct 19$13.20, Oct 19 12:34 am$20.63, Oct 3 - Mar 17$13.39, Oct 22 - Oct 30$13.17, Oct 22 - Oct 30$20.63, Oct 3 - Mar 17$14.01, Nov 3 7:19 pm$13.06, Nov 3 - Nov 7$20.63, Oct 3 - Mar 17$13.25, Nov 7 9:54 pm$13.06, Nov 3 - Nov 7$20.63, Oct 3 - Mar 17$13.21, Nov 12 - Nov 18$13.21, Nov 12 - Nov 16$20.63, Oct 3 - Mar 17$13.21, Nov 12 - Nov 18$13.20, Nov 18 10:39 am$20.63, Oct 3 - Mar 17$13.39, Nov 22 - Nov 29$13.17, Nov 22 - Nov 29$20.63, Oct 3 - Mar 17$14.37, Dec 4 4:02 pm$13.08, Dec 4 4:02 pm$20.63, Oct 3 - Mar 17$14.14, Dec 7 3:52 am$10.52, Dec 7 3:52 am$20.63, Oct 3 - Mar 17$13.33, Dec 12 5:04 am$10.51, Dec 12 5:04 am$20.63, Oct 3 - Mar 17$13.09, Dec 14 6:09 pm$9.76, Dec 14 6:09 pm$20.63, Oct 3 - Mar 17$13.03, Dec 17 - Jan 23$10.03, Dec 17 7:35 am$20.63, Oct 3 - Mar 17$13.03, Dec 17 - Jan 23$10.51, Dec 19 9:03 pm$20.63, Oct 3 - Mar 17$13.03, Dec 17 - Jan 23$10.50, Dec 22 8:51 am$20.63, Oct 3 - Mar 17$13.03, Dec 17 - Jan 23$10.00, Dec 24 7:03 pm$20.63, Oct 3 - Mar 17$13.03, Dec 17 - Jan 23$9.95, Dec 27 2:05 pm$20.63, Oct 3 - Mar 17$13.03, Dec 17 - Jan 23$12.72, Jan 1 12:29 pm$20.63, Oct 3 - Mar 17$13.03, Dec 17 - Jan 23$11.87, Jan 6 7:44 am$20.63, Oct 3 - Mar 17$13.03, Dec 17 - Jan 23$11.63, Jan 11 5:20 am$20.63, Oct 3 - Mar 17$13.03, Dec 17 - Jan 23$11.99, Jan 18 5:57 pm$20.63, Oct 3 - Mar 17$13.03, Dec 17 - Jan 23$12.03, Jan 23 7:04 pm$20.63, Oct 3 - Mar 17$13.03, Jan 28 8:45 pm$13.02, Jan 28 - Feb 7$20.63, Oct 3 - Mar 17$13.02, Jan 28 - Feb 7$11.76, Feb 2 8:08 pm$20.63, Oct 3 - Mar 17$13.03, Feb 7 - Feb 13$13.02, Jan 28 - Feb 7$20.63, Oct 3 - Mar 17$13.03, Feb 7 - Feb 13$13.03, Feb 13 - Feb 18$20.63, Oct 3 - Mar 17$13.03, Feb 13 - Feb 18$12.50, Feb 18 11:34 am$20.63, Oct 3 - Mar 17$13.55, Feb 21 5:23 am$11.84, Feb 21 5:23 am$20.63, Oct 3 - Mar 17$13.03, Feb 26 - Apr 15$10.13, Feb 26 5:02 pm$20.63, Oct 3 - Mar 17$13.03, Feb 26 - Apr 15$9.89, Feb 29 3:20 pm$20.63, Oct 3 - Mar 17$13.03, Feb 26 - Apr 15$9.99, Mar 5 12:55 pm$20.63, Oct 3 - Mar 17$13.03, Feb 26 - Apr 15$12.80, Mar 12 - Mar 17$19.51, Mar 29 9:39 am$13.03, Feb 26 - Apr 15$12.23, Mar 29 9:39 am$19.56, Apr 4 6:19 am$13.03, Feb 26 - Apr 15$11.77, Apr 4 6:19 am$19.36, Apr 15 11:30 pm$13.03, Feb 26 - Apr 15$10.81, Apr 15 11:30 pm 27,959716,277 781,250 625,000 468,750 312,500 156,250 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Latest $19.36 Apr 15, '16
Highest $20.63 Oct 3, '15
Lowest $15.07 Aug 10, '15
Average $19.99 (30d avg)
$20.42 (90d avg)
$20.52 (180d avg)
$19.09 (365d avg)
$18.56 (Lifetime average)
Added Apr 14, 2013

3rd Party New

Latest $13.03 Apr 15, '16
Highest $14.37 Dec 4, '15
Lowest $12.91 Oct 18, '14
Average $13.03 (30d avg)
$13.06 (90d avg)
$13.16 (180d avg)
$13.20 (365d avg)
$13.20 (Lifetime average)
Added Apr 14, 2013

3rd Party Used

Latest $10.81 Apr 15, '16
Highest $14.46 May 3, '14
Lowest $2.24 Aug 27, '15
Average $12.29 (30d avg)
$11.99 (90d avg)
$12.09 (180d avg)
$11.93 (365d avg)
$12.33 (Lifetime average)
Added Apr 14, 2013

Sales Rank

30 day average: 397,931
90 day average: 342,013

Product Description

The three-times World Chess Solving Champion distils the most useful middlegame concepts and knowledge into 100 lessons that everyone can understand.

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