Test-Positions

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There are several classical and new developed test-position suites available as =Test Suites= add more...
 * Forsyth-Edwards Notation (FEN)
 * Extended Position Description (EPD)
 * Portable Game Notation (PGN)
 * Bednorz-Tönissen Test (BT-Test, BS-Test)
 * Bratko-Kopec Test (BK-Test)
 * CCR One Hour Test by Larry Kaufman
 * Eigenmann Endgame Test
 * Eigenmann Rapid Engine Test
 * Kaufman Test
 * LCT II
 * The Nolot Suite
 * Null Move Test-Positions
 * Silent but Deadly an EPD test by Dann Corbit that is designed to help tune chess engines (2008)
 * Strategic Test Suite by Dann Corbit and Swaminathan
 * Win at Chess

=Studies and famous Positions=
 * Behting Study
 * Djaja Study
 * HAKMEM 70
 * Lasker-Reichhelm Position (Fine #70)
 * Réti Endgame Study
 * Szén Position
 * Saavedra position

=Other Test Suites= =Opening Suites=
 * Amundsen chess program | Testsuites collected by John Bergbom » Amundsen
 * Arasan Test Suite by Jon Dart » Arasan
 * Big Book Of Combinations (long post) by Jouni Uski, CCC, September 17, 2001
 * CCC-I test set by Ed Schröder, CCC, October 04, 1997
 * CCC-II test set by Ed Schröder, CCC, October 04, 1997
 * CCC-III (positional test) by Ed Schröder, CCC, October 06, 1997
 * Colditz test suite by Ferdinand Mosca, CCC, December 30, 2016
 * CSS WM-Test hosted by Steffen A. Jakob, css-wm.epd
 * ECM.epd from Renze Steenhuisen's projects
 * Endgame testsuite - final version + pgn with comments by Sune Larsson, CCC, January 01, 2006
 * My Positional Test Suite by Tony Hedlund
 * New Zugzwang Testsuite by Robert Allgeuer, CCC, October 14, 2004 » Zugzwang
 * Passed Pawn Suite by Howard Exner, CCC, February 24, 2000 » Passed Pawn
 * Quicktest by Michael Scheidl
 * Test by Kurt Utzinger
 * Test suites for chess software by Emil Vlasák
 * Test Suites from Hossa - A Chess Program by Steffen A. Jakob
 * Tests by Pierre Nolot from blitzchess.fr (French)
 * Zugzwang Test Suite ZPTS - updated version and results of Fruit by Robert Allgeuer, CCC, October 19, 2004 » Zugzwang

Banks

 * Graham2014-1.cgb opening book for ChessGUI by Graham Banks, CCC, December 19, 2013 » ChessGUI

Hyatt

 * Crafty/openings at master · MichaelB7/Crafty · GitHub
 * Hyatt 4000 openings 7z

Lacrosse

 * Fast engine testing : the MLmfl test by Marc Lacrosse, January 08, 2007

Nebula

 * Test Sets - Nebula Chess by Dragan Zdravkovic

Noomen

 * Noomen Testsuites, Noomen Testsuite from Rybka - Free downloads by Jeroen Noomen
 * New testsuite: UltraShort Lines by Jeroen Noomen, Rybka Forum, June 03, 2017
 * New testsuite: King's Indian Mar del Plata by Jeroen Noomen, CCC, June 22, 2017
 * Updated Mar del Plata testsuite, NEW Ruy Lopez testsuite by Jeroen Noomen, CCC, July 04, 2017
 * Mar del Plata II testsuite by Jeroen Noomen, CCC, July 08, 2017
 * New testsuite: Slav Defence (plus link to all my testsuites) by Jeroen Noomen, CCC, July 19, 2017
 * New: Noomen 2-move Testsuite by Jeroen Noomen, CCC, October 22, 2017 » TCEC Season 10

Nunn

 * Nunn openings by Jouni Uski, CCC, November 07, 2005
 * Nunn2 openings by Kurt Utzinger, CCC, November 07, 2005

Pohl

 * SALC V5 openings and books launched by Stefan Pohl, CCC, January 13, 2018

Silver
=Publications=

1950 ...

 * Fred Reinfeld (1958, 2001). Win at Chess. Dover Books on Chess » Win at Chess

1970 ...

 * F. Donald Bloss (1973). Rate your own Chess. Van Nostrand Reinhold Inc.
 * Gary L. Ratliff (1979). Practical Rating Program. Personal Computing, Vol. 3, No. 9, pp. 62 » Bloss
 * Frieder Schwenkel (1979). Berating the ratings system. Personal Computing, Vol. 3, No. 11, pp. 77 » Ratliff, Bloss
 * John Shaposka (1979). "JS" Takes the Bloss Test. Personal Computing, Vol. 3, No. 12, pp. 75 » Ratliff, Bloss
 * Editor (1979). Chess Ratings from Problem Solving. Personal Computing, Vol. 3, No. 12, pp. 77 » CAPS II, Chess Problems, Compositions and Studies

1980 ...

 * Floyd R. Kirk (1980). Bloss Flunks Test. Personal Computing, Vol. 4, No. 8, pp. 72 » Ratliff, Bloss
 * W. W. Foster (1980). Six Test Problems for Chess Playing Machines. Personal Computing, Vol. 4, No. 10, pp. 81
 * Ivan Bratko, Danny Kopec (1982). A Test for Comparison of Human and Computer Performance in Chess. Advances in Computer Chess 3

1990 ...

 * Tony Marsland (1990). The Bratko-Kopec Test Revisited. ICCA Journal, Vol. 13, No. 1
 * Kevin J. Lang, Warren D. Smith (1993). A Test Suite for Chess Programs. ps, ChessTest2.tar.Z
 * Shawn Benn, Danny Kopec (1993). The Bratko-Kopec Test Recalibrated. ICCA Journal, Vol. 16, No. 3, pdf
 * Larry Kaufman (1994). The One-Hour CCR Test. Computer Chess Reports, Vol. 4, No. 2, pp. 25-30
 * Kevin J. Lang, Warren D. Smith (1995). A Test Suite for Chess Programs. ICCA Journal, Vol. 16, No. 3

=Forum Posts=

1997 ...

 * The new YAZGAC - test-suite by mclane, rgcc, April 15, 1997
 * ECM - first 100 problems summary by Don Dailey, CCC, February 01, 1998
 * Needed really good tactical test suite: here's one! by Jouni Uski, CCC, August 16, 1998
 * And here is corrected ECM testsuite (15 wrong positions removed) by Jouni Uski, CCC, October 11, 1998
 * Test suites - can they reliably predict ELO? by Tom King, CCC, December 11, 1999

2000 ...

 * The Scalable Search Test by Gian-Carlo Pascutto, CCC, June 18, 2000
 * Mate in 1 - but Fritz 6 needs 1 hour!!! by Christoph Fieberg from CCC, August 10, 2000
 * Pawn endgame test suite by Peter McKenzie, CCC, October 07, 2000 » Pawn Endgame
 * Stalemate trap(SOS-Delfi) by George Lyapko, Winboard Forum, December 18, 2001 » Stalemate, SOS, Delfi
 * STATIC EVAL TEST (provisional) by Jaime Benito de Valle Ruiz, CCC, February 21, 2004 » Evaluation
 * Test Position = GM Tony Miles vs Deep Thought, 1989 [14...Bxh2!!] by José Antônio Fabiano Mendes, CCC, September 09, 2004 » Deep Thought

2005 ...

 * Trying to improve MES endgame suite by George Lyapko, Winboard Forum, September 30, 2005
 * Problem suite testing - how to extract a useful number by Don Dailey from CCC, May 25, 2008

2010 ...

 * Zugzwang Collection by kingliveson, OpenChess Forum, February 14, 2012 » Zugzwang
 * Arasan test suite additions by Jon Dart, CCC, December 20, 2012 » Arasan
 * Openings in PGN and EPD format by Adam Hair, CCC, December 24, 2013
 * A new testsuite by Jeroen Noomen, CCC, June 21, 2014
 * New testsuite available by Jeroen Noomen, CCC, November 13, 2014

2015 ...

 * Noomen selected openings for eng-eng matches by Ed Schröder, CCC, May 31, 2015 » Opening Suites
 * Transposition table test positons by Robert Pope, CCC, September 11, 2015 » Transposition Table
 * Test positions for draw detection by Shawn Chidester, CCC, September 27, 2015 » Draw
 * Static evaluation test posistions by Shawn Chidester, CCC, November 25, 2015
 * Re: Static evaluation test posistions by Ferdinand Mosca, CCC, November 26, 2015 » Python

2016
 * Test suites by Fabio Gobbato, CCC, December 04, 2015
 * Larsen EPD Test Suite by Marc Moisan, CCC, December 29, 2015
 * king safety: hard positions for zurichess by Alexandru Mosoi, CCC, March 27, 2016 » King Safety, Zurichess
 * Good testsets for tablebases testing by Sergei S. Markoff, CCC, May 15, 2016 » Endgame Tablebases
 * EPD to test EGTB probe code by Sergei S. Markoff, CCC, May 24, 2016

2017 2018 2019
 * 13 hard test positions July 2016 by Vincent Lejeune, CCC, July 27, 2016
 * perpetual check position by Erin Dame, CCC, August 16, 2016 » Perpetual Check, Repetitions
 * Arasan test suite by Jon Dart, CCC, August 22, 2016 » Arasan
 * Nightmare II (Test-Set) by Walter Eigenmann, CCC, August 25, 2016
 * SAN test position by Matthew Lai, CCC, September 11, 2016 » SAN
 * "Poor Fish": very hard test suite by Marco Costalba, CCC, September 25, 2016
 * Opening performance of engines by Kai Laskos, CCC, October 28, 2016 » Opening
 * Colditz test suite by Ferdinand Mosca, CCC, December 30, 2016
 * Bob Hyatt's opening set of positions by Stuart Cracraft, CCC, March 19, 2017
 * Tony's positional test suite by Dann Corbit, CCC, June 16, 2017
 * Opening testing suites efficiency by Kai Laskos, CCC, June 21, 2017 » Engine Testing, Opening, Match Statistics
 * "IQ test" for engines by Marek Kwiatkowski, CCC, August 08, 2017
 * "IQ test" for engines (2) by Marek Kwiatkowski, CCC, October 21, 2017
 * AlphaZero: The 10 Top Shots by Walter Eigenmann, CCC, December 30, 2017 » AlphaZero
 * Marcel Duchamp endgame "splits" engines / hash phenomenon by Kenneth Regan, CCC, February 19, 2018 » Chess Problems, Compositions and Studies, Marcel Duchamp, Transposition Table
 * mate test positions by Uri Blass, CCC, July 29, 2018 » Checkmate
 * A mate suite to test multi-pv and new engines by Uri Blass, CCC, August 06, 2018
 * Test sets results on opening, tactical, ending by Ferdinand Mosca, CCC, April 06, 2019
 * Middlegame positional test-suite by Kai Laskos, CCC, April 07, 2019
 * Arasan test suite - draft version by Jon Dart, CCC, June 19, 2019 » Arasan
 * Really difficult mate by Jouni Uski, CCC, February 16, 2019
 * Testposition EET/002 by Jouni Uski, CCC, September 18, 2019

2020 ...

 * Hyatt 4000 openings by Mathieu Pagé, CCC, January 21, 2020 » Hyatt 4000 openings
 * Request for InDoubleCheck PERFTS EPDs by Chris Whittington, CCC, May 02, 2020 » Double Check, Perft
 * Any Testsuites in EPD format you can recommend? by Thomas Jahn, CCC, July 22, 2021
 * mate suite for chess engines by Uri Blass, CCC, July 30, 2021 » Checkmate

Leonid's Positions
=External Links=
 * GitHub - fsmosca/chess-tests: Chess engines test results by Ferdinand Mosca
 * GitHub - ChrisWhittington/Chess-EPDs: Various EPD test suites by Chris Whittington

=References= Up one Level