Changes

|-

! #

! Theme <ref>[https://sites.google.com/site/strategictestsuite/ Strategic Test Suite]</ref>

! EDP <ref>Revised STS [[Extended Position Description|EPDs]] by [[Ferdinand Mosca]], [http://www.talkchess.com/forum/viewtopic.php?t=56435&start=1 Re: STS 1-15 epd and analysis tool] by [[Ferdinand Mosca]], [[CCC]], May 20, 2015</ref>

|-

! 1

| [https://sites.google.com/site/strategictestsuite/undermining Undermining]

| style="text-align:center;" | [[FILE:STS1.epd|STS1.epd]]

|-

! 2

| [https://sites.google.com/site/strategictestsuite/open-files-and-diagonals Open Files and Diagonals]

| style="text-align:center;" | [[FILE:STS2.epd|STS2.epd]]

|-

! 3

| [https://sites.google.com/site/strategictestsuite/knight-outposts Knight Outposts]

| style="text-align:center;" | [[FILE:STS3.epd|STS3.epd]]

|-

! 4

| [https://sites.google.com/site/strategictestsuite/square-vacancy Square Vacancy]

| style="text-align:center;" | [[FILE:STS4.epd|STS4.epd]]

|-

! 5

| [https://sites.google.com/site/strategictestsuite/home/bishop-vs-knight Bishop vs Knight]

| style="text-align:center;" | [[FILE:STS5.epd|STS5.epd]]

|-

! 6

| [https://sites.google.com/site/strategictestsuite/home/re-capturing Re-Capturing]

| style="text-align:center;" | [[FILE:STS6.epd|STS6.epd]]

|-

! 7

| [https://sites.google.com/site/strategictestsuite/home/offer-of-simplification Offer of Simplification]

| style="text-align:center;" | [[FILE:STS7.epd|STS7.epd]]

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! 8

| [https://sites.google.com/site/strategictestsuite/8-advancement-of-f-g-h-pawn Advancement of f/g/h pawns]

| style="text-align:center;" | [[FILE:STS8.epd|STS8.epd]]

|-

! 9

| [https://sites.google.com/site/strategictestsuite/9-advancement-of-a-b-c-pawns Advancement of a/b/c Pawns]

| style="text-align:center;" | [[FILE:STS9.epd|STS9.epd]]

|-

! 10

| [https://sites.google.com/site/strategictestsuite/simplification Simplification]

| style="text-align:center;" | [[FILE:STS10.epd|STS10.epd]]

|-

! 11

| [https://sites.google.com/site/strategictestsuite/activity-of-the-king Activity of the King]

| style="text-align:center;" | [[FILE:STS11.epd|STS11.epd]]

|-

! 12

| [https://sites.google.com/site/strategictestsuite/center-control Center Control]

| style="text-align:center;" | [[FILE:STS12.epd|STS12.epd]]

|-

! 13

| [https://sites.google.com/site/strategictestsuite/home/sts13 Pawn Play in the Center]

| style="text-align:center;" | [[FILE:STS13.epd|STS13.epd]]

|-

! 14

| [https://sites.google.com/site/strategictestsuite/queens-and-rooks-to-the-7th-rank Queens and Rooks to the 7th Rank]

| style="text-align:center;" | [[FILE:STS14.epd|STS14.epd]]

|-

! 15

| [https://sites.google.com/site/strategictestsuite/home/sts-15 Avoid Pointless Exchange]

| style="text-align:center;" | [[FILE:STS15.epd|STS15.epd]]