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Tactics Trainer Quirk

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Jpatrick

I've observed a quirk in the way Tactics Trainer pairs me with problems, and I'm wondering if others have similar experience.   Lately, I find that I am getting a disproportionate number of problems that are rated higher than my TT rating.  I just think this is odd. In the next post, I will copy my present TT history so that you can see what I'm talking about. 

If you are reading this, and if you use Tactics Trainer, would you please do the same?  I'm quite curious to see what others are experiencing.

Best regards,

Jpatrick

Jpatrick

Here is my TT history for the last 25 problems.  You can see that I only got three problems that were lower than my rating.  What is your experience?

Apr 13 4:39am 0022840 2156 2006 3/3 1:11 5:21 Passed (20% | -3)
Apr 13 4:33am 0037555 2146 2009 3/3 1:22 3:01 Passed (20% | -4)
Apr 13 4:29am 0029446 2097 2013 3/3 0:55 1:59 Passed (20% | -6)
Apr 13 4:26am 0123140 1938 2019 2/2 0:27 0:35 Passed (68% | +2)
Apr 12 8:06am 0026125 2064 2017 3/3 0:39 0:30 Passed (85% | +8)
Apr 12 4:11am 0020729 2173 2009 2/2 0:27 0:45 Passed (49% | -1)
Apr 12 4:09am 0022326 2160 2010 3/3 0:59 9:04 Passed (20% | -3)
Apr 12 3:54am 0034370 2135 2013 3/3 1:25 1:39 Passed (73% | +11)
Apr 12 3:51am 0024750 2103 2002 2/2 0:41 3:33 Passed (20% | -5)
Apr 11 4:55am 0036653 2142 2007 0/3 1:14 0:18 Failed (0% | -10)
Apr 11 4:50am 0000855 2148 2017 4/4 0:49 1:20 Passed (51% | +6)
Apr 11 4:31am 0020907 2080 2011 4/4 1:11 0:59 Passed (83% | +15)
Apr 11 4:29am 0068286 2052 1996 1/1 0:26 0:31 Passed (72% | +13)
Apr 11 3:52am 0172039 2197 1984 0/2 0:29 0:57 Failed (0% | -10)
Apr 11 3:49am 0022130 2145 1994 2/2 0:44 0:57 Passed (68% | +11)
Apr 11 3:46am 0021285 2125 1983 0/3 0:55 4:03 Failed (0% | -10)
Apr 11 3:41am 0030690 2123 1993 1/1 0:28 0:38 Passed (66% | +10)
Apr 11 3:37am 0036589 2171 1983 2/2 0:49 2:00 Passed (20% | -8)
Apr 11 3:27am 0073636 1639 1991 0/4 1:19 2:29 Failed (0% | -16)
Apr 10 4:01am 0021865 2087 2007 2/2 0:33 0:31 Passed (81% | +15)
Apr 10 3:58am 0058706 2138 1992 4/4 1:17 2:30 Passed (25% | -2)
Apr 10 3:55am 0035598 2099 1994 6/6 1:28 2:17 Passed (55% | +5)
Apr 10 3:51am 0089779 2102 1989 4/4 0:59 0:50 Passed (83% | +16)
Apr 9 5:07am 0038225 2168 1973 2/2 0:51 1:02 Passed (71% | +12)
Apr 9 5:03am 0024887 2352 1961 2/2 0:53 4:01 Passed (20% | -14)
Jpatrick

Here is another block of 25 problems in my TT history. Same thing.  Only two problems are lower.

 

Apr 13 9:25am 0020621 2134 2026 2/2 0:29 0:14 Passed (91% | +18)
Apr 13 9:24am 0037878 2163 2008 3/3 1:26 3:02 Passed (20% | -3)
Apr 13 9:09am 0026645 2015 2011 2/2 0:27 0:11 Passed (93% | +15)
Apr 13 9:05am 0035543 2146 1996 1/3 0:58 0:56 Failed (27% | -1)
Apr 13 9:01am 0028824 2161 1997 0/3 0:45 1:28 Failed (0% | -9)
Apr 13 8:59am 0038557 2133 2006 5/5 2:40 3:43 Passed (64% | +10)
Apr 13 8:54am 0025832 2027 1996 2/2 0:39 0:55 Passed (64% | +6)
Apr 13 8:43am 0020576 2138 1990 1/2 0:50 1:03 Failed (35% | -1)
Apr 13 8:41am 0023930 2154 1991 1/5 1:39 3:38 Failed (4% | -8)
Apr 13 8:30am 0055326 2164 1999 5/5 1:37 3:53 Passed (20% | -3)
Apr 13 8:25am 0024879 2155 2002 2/2 0:40 2:04 Passed (20% | -3)
Apr 13 8:15am 0029044 2123 2005 3/3 0:52 0:38 Passed (85% | +17)
Apr 13 8:12am 0037028 2137 1988 4/4 1:47 3:20 Passed (46% | -1)
Apr 13 8:08am 0022545 1966 1989 5/5 1:51 0:22 Passed (100% | +15)
Apr 13 7:01am 0024751 2124 1976 2/7 2:17 1:00 Failed (26% | -1)
Apr 13 6:45am 0021288 1912 1977 2/2 1:08 2:01 Passed (41% | -7)
Apr 13 6:41am 0036719 2149 1984 0/2 1:06 0:51 Failed (0% | -9)
Apr 13 6:39am 0082565 2172 1993 5/5 1:09 3:44 Passed (20% | -3)
Apr 13 6:31am 0021106 2131 1996 0/3 0:39 1:10 Failed (0% | -11)
Apr 13 6:29am 0027992 2117 2007 1/1 1:26 3:52 Passed (20% | -4)
Apr 13 6:25am 0021829 2113 2011 2/2 0:33 0:35 Passed (78% | +14)
Apr 13 6:21am 0030708 2143 1997 1/2 1:15 7:04 Failed (10% | -7)
Apr 13 6:13am 0100581 2131 2004 1/1 0:41 1:12 Passed (43% | -1)
Apr 13 6:07am 0022934 2101 2005 2/4 1:43 0:59 Failed (44% | -1)
Apr 13 4:39am 0022840 2156 2006 3/3 1:11 5:21 Passed (20% | -3)
Jpatrick

 

 Here are 25 more.  25/25 are higher than my TT rating.  I'd sure like to hear why the problem pairing is biased like this.

DateID#RatingMy RatingMovesAvg. TimeMy TimeOutcome
Apr 14 9:47am 0033710 2005 2016 2/2 1:08 0:42 Passed (88% | +12)
Apr 14 9:46am 0029895 1988 2004 2/2 0:47 0:05 Passed (100% | +16)
Apr 14 9:42am 0020795 2077 2004 0/2 0:32 0:45 Failed (0% | -13)
Apr 14 9:39am 0031036 2170 2017 3/3 1:06 2:35 Passed (20% | -3)
Apr 14 9:16am 0058876 2171 2020 1/3 1:52 1:13 Failed (29% | -1)
Apr 14 9:09am 0022079 2043 2021 4/4 1:14 0:59 Passed (84% | +13)
Apr 14 9:05am 0030234 2149 2008 0/2 3:41 10:30 Failed (0% | -10)
Apr 14 8:21am 0023290 2172 2018 5/5 2:37 6:48 Passed (20% | -3)
Apr 14 7:52am 0133707 2159 2026 2/2 0:36 0:58 Passed (53% | +7)
Apr 14 7:51am 0184475 2172 2019 2/2 1:37 10:31 Passed (20% | -3)
Apr 14 7:40am 0042548 2178 2022 1/1 0:25 1:11 Passed (20% | -3)
Apr 14 7:31am 0141195 2140 2025 2/4 1:44 0:43 Failed (47% | -1)
Apr 14 7:23am 0030159 2180 2026 0/2 0:58 0:54 Failed (0% | -10)
Apr 14 6:01am 0101928 2140 2036 2/2 1:29 1:53 Passed (69% | +12)
Apr 14 5:56am 0020979 2063 2024 3/3 0:42 0:44 Passed (78% | +11)
Apr 14 5:55am 0040738 2166 2013 1/1 0:48 1:46 Passed (20% | -3)
Apr 14 5:53am 0028089 2034 2016 3/3 1:13 0:58 Passed (84% | +13)
Apr 14 5:51am 0021918 2171 2003 0/2 0:30 2:53 Failed (0% | -9)
Apr 14 5:13am 0027230 2178 2022 2/2 0:48 1:28 Passed (53% | +7)
Apr 14 4:49am 0038600 2169 2015 2/2 0:59 2:17 Passed (20% | -3)
Apr 14 4:46am 0108106 2142 2018 3/3 1:24 1:47 Passed (69% | +12)
Apr 14 4:43am 0022583 2171 2006 0/2 0:47 6:14 Failed (0% | -10)
Apr 14 4:32am 0043212 2178 2016 0/2 0:30 0:34 Failed (0% | -10)
Apr 14 4:30am 0038534 2167 2026 5/5 1:51 4:07 Passed (20% | -4)
Apr 14 4:23am 0035985 2163 2030 0/2 3:28 4:59 Failed (0% | -12)
Jpatrick


Below, you will see my latest 25 problems in my Tactics Trainer history.  Does anyone else have the same odd experience with rated retests and problem pairings?

 

Recent Problems

 

DateID#RatingMy RatingMovesAvg. TimeMy TimeOutcome
Apr 15 8:56am 0156412 2173 2050 3/3 0:42 0:48 Passed (74% | +13)
Apr 15 8:54am 0023055 2139 2037 4/4 0:47 0:25 Passed (89% | +18)
Apr 15 8:54am 0022842 2172 2019 2/2 0:52 2:43 Passed (20% | -3)
Apr 15 8:48am 0028337 2188 2022 0/3 6:26 2:04 Failed (0% | -9)
Apr 15 8:46am 0040913 2175 2031 3/3 1:09 11:34 Passed (20% | -3)
Apr 15 8:31am 0031184 2162 2034 2/2 0:57 1:41 Passed (59% | +9)
Apr 15 8:28am 0030425 2123 2025 2/2 0:30 0:24 Passed (84% | +15)
Apr 15 8:27am 0032534 2177 2010 0/2 0:38 2:03 Failed (0% | -9)
Apr 15 8:21am 0076939 2133 2019 3/3 1:11 0:40 Passed (89% | +17)
Apr 15 7:43am 0037318 2012 2002 6/6 2:24 0:05 Passed (100% | +17)
Apr 15 7:34am 0040453 1995 1994 5/5 1:45 0:11 Passed (100% | +17)
Apr 15 7:29am 0040580 1940 1977 4/4 1:21 1:01 Passed (85% | +10)
Apr 15 7:19am 0040173 1999 1978 4/4 0:46 0:23 Passed (90% | +13)
Apr 15 7:17am 0039138 2038 1965 0/3 0:52 1:20 Failed (0% | -13)
Apr 15 7:15am 0039332 1940 1978 3/3 1:38 0:06 Passed (100% | +14)
Apr 15 7:09am 0038460 2041 1964 0/2 1:48 5:36 Failed (0% | -13)
Apr 15 6:08am 0037056 2048 1978 2/4 1:22 4:48 Failed (10% | -10)
Apr 15 6:02am 0036901 2004 1988 2/2 0:40 1:08 Passed (47% | -1)
Apr 15 6:01am 0036021 1947 1989 5/5 6:22 0:10 Passed (100% | +15)
Apr 15 5:34am 0036011 2014 1981 3/3 0:57 1:48 Passed (41% | -1)
Apr 15 5:31am 0034364 1935 1982 2/2 0:40 0:52 Passed (68% | +4)
Apr 15 5:30am 0034008 1981 1978 1/1 4:46 0:01 Passed (100% | +16)
Apr 15 5:22am 0030778 1964 1977 1/1 0:24 1:14 Passed (20% | -10)
Apr 15 5:21am 0023372 2014 1987 3/3 1:18 0:09 Passed (100% | +17)
Apr 15 5:20am 0042363 1921 1970 1/1 0:26 0:54 Passed (20% | -13)
Jpatrick

Let me explain what you see above.

The problems where I got "100%" were rated retests.  I failed the problem, Tactics Trainer gave it to me again, I solved it instantly and got 100% full credit.

Notice also how the only times that I get paired with a lower rated problem are when my rating is below 2000.

Jpatrick

 Below is another block of 25 problems.  6/25 are lower than my TT rating. Five of those are when my rating was <2000.  Wherever I got 100%, it was on a "rated retest".

 

Recent Problems

 

DateID#RatingMy RatingMovesAvg. TimeMy TimeOutcome
Apr 17 9:08am 0024530 2037 1977 0/2 0:35 1:00 Failed (0% | -13)
Apr 17 4:51am 0021651 2047 1990 3/3 1:15 6:42 Passed (20% | -7)
Apr 17 4:38am 0029614 2140 1997 3/3 1:47 7:33 Passed (20% | -3)
Apr 17 4:29am 0030234 2018 2000 2/2 3:32 1:15 Passed (95% | +15)
Apr 17 4:27am 0025175 1999 1985 5/5 1:38 2:34 Passed (55% | +3)
Apr 17 4:06am 0042955 1968 1982 5/5 3:04 0:07 Passed (100% | +15)
Apr 17 4:01am 0042915 1918 1966 6/6 5:28 0:10 Passed (100% | +14)
Apr 17 3:52am 0041947 1991 1959 3/3 1:12 1:26 Passed (72% | +9)
Apr 17 3:49am 0041183 2013 1950 2/2 0:46 2:51 Passed (20% | -7)
Apr 17 3:46am 0040741 1923 1957 2/2 0:40 1:49 Passed (20% | -10)
Apr 17 3:42am 0040678 1975 1967 4/4 1:15 1:49 Passed (62% | +6)
Apr 16 1:57pm 0040872 1938 1961 1/1 0:28 0:51 Passed (42% | -3)
Apr 16 1:56pm 0040638 1935 1964 2/2 1:08 0:03 Passed (100% | +15)
Apr 16 1:50pm 0038841 2052 1961 1/4 1:02 0:21 Failed (24% | -6)
Apr 16 10:40am 0039164 2010 1967 4/4 1:32 4:15 Passed (20% | -8)
Apr 16 10:35am 0036139 2040 1975 2/2 1:37 7:00 Passed (20% | -7)
Apr 16 9:49am 0033468 2032 1982 2/2 0:52 2:58 Passed (20% | -7)
Apr 16 9:46am 0032099 2028 1989 1/1 1:00 1:47 Passed (41% | -1)
Apr 16 9:43am 0020795 2075 1990 0/2 0:32 3:06 Failed (0% | -13)
Apr 16 9:35am 0021687 2132 2003 0/6 2:05 1:32 Failed (0% | -11)
Apr 16 9:33am 0029647 2160 2014 2/4 2:21 3:32 Failed (30% | -1)
Apr 16 6:30am 0046392 2161 2015 2/2 0:29 2:37 Passed (20% | -4)
Apr 16 6:10am 0021533 2160 2019 0/4 2:41 16:58 Failed (0% | -11)
Apr 16 5:52am 0040482 2169 2030 0/2 0:44 4:18 Failed (0% | -12)
Apr 16 5:47am 0106089 1974 2042 2/2 0:45 2:02 Passed (20% | -8)
Jpatrick
   
 

 Here is another block of 25 problems.  19/25 are higher rated than me.  Those that weren't occurred when my TT rating was <2000.  All problems where I scored 100% were "rated retests".

Recent Problems

 

DateID#RatingMy RatingMovesAvg. TimeMy TimeOutcome
Apr 19 6:19am 0031203 2025 2004 2/2 1:17 1:58 Passed (58% | +3)
Apr 19 6:08am 0023939 2167 2001 0/4 1:12 2:04 Failed (0% | -9)
Apr 19 5:57am 0036166 2163 2010 4/4 2:24 5:35 Passed (20% | -3)
Apr 19 5:51am 0026876 2012 2013 3/3 1:42 0:03 Passed (100% | +16)
Apr 19 5:45am 0021878 2160 2003 0/4 0:52 3:01 Failed (0% | -10)
Apr 19 5:41am 0044084 2114 2013 2/2 1:12 1:34 Passed (68% | +10)
Apr 19 5:39am 0021908 2148 2003 3/3 0:47 5:52 Passed (20% | -3)
Apr 19 5:30am 0066177 2115 2006 0/3 2:14 0:26 Failed (0% | -11)
Apr 19 5:28am 0023494 2141 2017 1/2 1:00 2:11 Failed (10% | -8)
Apr 18 5:31am 0030415 2138 2025 3/3 0:41 0:31 Passed (85% | +16)
Apr 18 5:27am 0032912 2185 2009 1/1 0:26 4:41 Passed (20% | -3)
Apr 18 5:22am 0036549 2125 2012 4/4 1:00 0:53 Passed (82% | +15)
Apr 18 5:20am 0032994 2044 1997 4/4 1:39 0:17 Passed (100% | +17)
Apr 18 5:16am 0065358 2041 1980 0/1 0:24 1:02 Failed (0% | -9)
Apr 18 5:12am 0038421 1934 1989 3/3 1:21 0:36 Passed (92% | +13)
Apr 18 5:11am 0037056 1965 1976 4/4 1:22 1:21 Passed (80% | +9)
Apr 18 5:09am 0036207 2007 1967 2/2 1:22 2:26 Passed (41% | -1)
Apr 18 5:06am 0034673 2009 1968 1/1 0:23 1:49 Passed (20% | -7)
Apr 18 4:31am 0033830 1980 1988 1/1 0:24 0:14 Passed (88% | +13)
Apr 18 4:16am 0025940 1972 1986 2/2 0:32 0:52 Passed (52% | +2)
Apr 18 4:15am 0030718 2188 1984 2/2 0:54 10:48 Passed (20% | -3)
Apr 18 4:03am 0024530 1922 1987 2/2 0:35 0:02 Passed (100% | +14)
Apr 18 4:02am 0020697 2063 1974 3/3 0:48 3:27 Passed (20% | -7)
Apr 18 3:57am 0093133 2100 1981 2/2 1:05 0:56 Passed (83% | +14)
Apr 18 3:56am 0042301 2415 1967 1/1 0:17 0:52 Passed (20% | -10)
Jpatrick

In the block of problems below, 25/25 were higher than my Tactics Trainer rating. The one where I scored 98% was a rated retest.

Jpatrick

Recent Problems

DateID#RatingMy RatingMovesAvg. TimeMy TimeOutcome
Apr 21 4:21am 0037191 2174 2015 0/2 0:41 1:24 Failed (0% | -10)
Apr 21 4:17am 0033678 2170 2025 1/2 0:41 0:58 Failed (32% | -1)
Apr 20 2:18pm 0034994 2027 2026 3/3 0:55 1:09 Passed (70% | +7)
Apr 20 2:16pm 0022936 2184 2019 0/4 1:40 3:53 Failed (0% | -9)
Apr 20 2:06pm 0028117 2124 2028 3/3 1:22 1:32 Passed (75% | +13)
Apr 20 2:02pm 0084564 2170 2015 5/5 2:05 3:49 Passed (51% | +6)
Apr 20 10:35am 0032296 2113 2009 1/1 0:46 4:36 Passed (20% | -7)
Apr 20 10:30am 0020685 2080 2016 2/2 0:30 1:45 Passed (20% | -7)
Apr 20 10:23am 0031374 2183 2023 1/3 1:28 3:09 Failed (7% | -7)
Apr 20 10:19am 0050663 2181 2030 5/5 1:35 2:52 Passed (54% | +7)
Apr 20 9:41am 0049585 2188 2023 0/3 1:13 2:00 Failed (0% | -9)
Apr 20 9:39am 0116507 2164 2032 2/2 0:41 5:43 Passed (20% | -3)
Apr 20 9:26am 0131760 2085 2035 5/5 1:29 1:12 Passed (84% | +16)
Apr 20 9:24am 0023999 2345 2019 5/5 2:06 0:49 Passed (98% | +16)
Apr 20 9:11am 0036884 2009 2003 5/5 1:59 2:33 Passed (69% | +8)
Apr 20 8:30am 0025833 2149 2002 1/3 2:03 4:31 Failed (7% | -7)
Apr 20 8:25am 0072899 2141 2009 5/5 2:25 3:17 Passed (66% | +9)
Apr 20 5:33am 0038841 2044 2000 4/4 1:01 0:32 Passed (90% | +13)
Apr 20 5:29am 0034493 2024 1987 4/4 1:06 2:45 Passed (20% | -9)
Apr 20 5:24am 0030018 2046 1996 4/4 0:54 3:09 Passed (20% | -7)
Apr 20 5:10am 0025864 2069 2003 4/4 1:42 7:21 Passed (20% | -7)
Apr 20 4:56am 0083481 2157 2010 1/3 9:20 12:12 Failed (23% | -2)
Apr 20 4:29am 0022585 2043 2012 1/1 0:31 0:24 Passed (85% | +11)
Apr 20 4:25am 0021900 2150 2001 1/2 1:02 0:39 Failed (44% | -1)
Apr 20 4:16am 0021836 2138 2002 1/3 1:02 1:04 Failed (26% | -2)
Jpatrick

Is anyone else having the same experience?

StrategicPlay

That's weird. Retests, huh? I don't get those. Must be a bug. 

baddogno

TT adapts to your current success level and attempts to give you appropriate challenges.  Quite often my block of 25 most recent problems is a sea of red, in which case the TT takes pity and feeds me easier problems than my current rating.  Nail 5 or 6 of those and I'm right back at my rating.  Get a couple more right and it ramps right back up to 100 or even 200 points higher than my present rating.  Would love for someone who understands the math of it to give a "dumbed down" explanation of how it all works.........

baddogno

OOps, missed your main point, sorry.   I think the "rated retest" is a feature for premium members.  I first noticed it about 6 months ago and posted a thread then (Tactics Trainer too generous?).   Seems to be a deliberate attempt to give a review of questions that have been missed.  I once had it give me the same question 3 times in a row.   I might have missed it more than a few times to incite TT to such radical behavior, but yeah I don't think it's a bug.   I look at as a feature, even if it wasn't designed to be.

Jpatrick

I think that you should have an equal chance of getting a problem that your Tactics Trainer rating +/- a reasonable amount, say 200.  I'm clearly not getting this.

Jpatrick

Below is another block of problem history.

Jpatrick

Recent Problems

 

DateID#RatingMy RatingMovesAvg. TimeMy TimeOutcome
Apr 29 3:44am 0033682 2018 1943 0/3 0:59 3:16 Failed (0% | -13)
Apr 29 3:41am 0036193 1966 1956 3/3 1:09 0:07 Passed (100% | +17)
Apr 29 3:40am 0043407 1956 1939 1/1 0:19 0:17 Passed (82% | +11)
Apr 29 3:39am 0041212 1888 1928 3/3 1:01 0:04 Passed (100% | +14)
Apr 28 4:32am 0035966 1974 1936 3/3 0:47 1:22 Passed (44% | -3)
Apr 28 4:30am 0033806 1959 1939 2/2 0:31 0:57 Passed (52% | +2)
Apr 28 4:28am 0033717 1977 1937 1/1 0:22 0:41 Passed (47% | -1)
Apr 28 4:27am 0033441 1858 1938 5/5 2:43 0:08 Passed (100% | +15)
Apr 28 4:16am 0072706 1947 1921 0/4 0:53 0:53 Failed (0% | -20)
Apr 28 4:06am 0040157 1855 1941 0/1 0:23 0:26 Failed (0% | -19)
Apr 28 4:04am 0038105 2129 1960 0/1 0:30 0:39 Failed (0% | -9)
Apr 28 4:01am 0092312 1869 1969 2/2 1:25 4:24 Passed (20% | -15)
Apr 27 5:40am 0028889 2008 1984 4/4 1:17 6:30 Passed (20% | -7)
Apr 27 5:27am 0033622 2173 1991 0/2 0:33 0:15 Failed (0% | -10)
Apr 27 4:51am 0027049 2035 2001 3/3 1:23 2:09 Passed (56% | +4)
Apr 27 4:46am 0032956 2176 1997 1/1 0:22 0:45 Passed (20% | -3)
Apr 27 4:41am 0025927 2025 2000 3/3 0:49 0:16 Passed (96% | +16)
Apr 27 3:59am 0032819 2102 1982 0/1 0:30 12:17 Failed (0% | -9)
Apr 27 3:46am 0056492 2109 1991 0/1 0:36 1:19 Failed (0% | -10)
Apr 27 3:37am 0031864 2173 2001 4/4 2:25 7:42 Passed (20% | -3)
Apr 27 3:28am 0021312 2065 2004 1/1 0:23 0:35 Passed (59% | +7)
Apr 24 9:47am 0041663 2213 1997 1/4 0:47 1:42 Failed (5% | -8)
Apr 24 9:39am 0037085 2197 2005 4/4 1:15 3:22 Passed (20% | -3)
Apr 24 9:35am 0021497 2097 2008 3/3 1:49 4:38 Passed (20% | -5)
Apr 24 9:30am 0021743 1847 2013 3/3 0:39 0:15 Passed (95% | +17)
Jpatrick

Above, 5 out of 25 problems were rated higher than my TT rating.   With one exception, the lower rated problems occurred when my TT rating was under 2000.

anywhere that I got 95% or higher, it was a rated retest.

Jpatrick

Okay.

Now that my Tactics Trainer rating has slipped 150 points or so, I am able to demonstrate how bias in problem pairing shifts.  Ready?

Jpatrick

Recent Problems

 

DateID#RatingMy RatingMovesAvg. TimeMy TimeOutcome
Apr 30 10:16am 0030701 1700 1818 1/1 0:18 3:40 Passed (20% | -15)
Apr 30 10:11am 0026110 1807 1833 3/3 0:38 1:25 Passed (20% | -11)
Apr 30 10:09am 0038109 1844 1844 0/2 0:35 1:32 Failed (0% | -16)
Apr 30 10:07am 0023925 1824 1860 3/3 0:42 0:03 Passed (100% | +14)
Apr 30 8:38am 0098255 1741 1863 0/3 0:40 0:10 Failed (0% | -21)
Apr 30 8:36am 0040157 1881 1884 0/1 0:23 3:01 Failed (0% | -16)
Apr 30 8:32am 0043945 1889 1900 0/2 0:35 0:18 Failed (0% | -17)
Apr 30 6:45am 0039505 1861 1917 7/7 2:11 1:06 Passed (90% | +10)
Apr 30 6:24am 0043377 1890 1907 1/1 0:32 0:39 Passed (71% | +4)
Apr 30 6:21am 0091253 1773 1903 2/2 0:25 1:21 Passed (20% | -15)
Apr 30 6:14am 0045834 1887 1918 1/4 1:01 0:59 Failed (20% | -11)
Apr 30 6:07am 0046480 1914 1929 1/4 1:30 2:12 Failed (15% | -12)
Apr 30 3:34am 0043960 1844 1941 4/4 1:02 0:32 Passed (90% | +10)
Apr 30 3:30am 0045850 1898 1931 2/2 0:41 3:44 Passed (20% | -11)
Apr 30 3:21am 0045820 1965 1942 3/3 1:36 10:42 Passed (20% | -9)
Apr 30 3:09am 0042897 1909 1951 1/1 0:22 0:38 Passed (45% | -4)
Apr 30 3:07am 0043813 2043 1955 0/1 0:20 0:46 Failed (0% | -13)
Apr 30 3:06am 0037548 1988 1968 3/3 0:33 0:15 Passed (92% | +14)
Apr 30 2:59am 0028007 2051 1954 0/2 4:14 5:26 Failed (0% | -9)
Apr 30 2:47am 0025723 2001 1963 2/2 0:55 5:23 Passed (20% | -5)
Apr 29 9:38am 0041226 1946 1968 4/4 0:56 0:08 Passed (100% | +16)
Apr 29 9:10am 0037459 1978 1952 2/2 0:54 3:44 Passed (20% | -7)
Apr 29 9:06am 0044839 1896 1959 6/6 11:27 0:22 Passed (100% | +14)
Apr 29 5:52am 0044331 1909 1941 4/4 1:28 0:11 Passed (100% | +14)
Apr 29 5:04am 0044186 1993 1949 3/3 0:46 0:54 Passed (73% | +9)