loadsgf games/incident2.sgf 212
# These are all trivialities.
loadsgf games/incident79.sgf 168
# FIXME: Not sure whether defense at J16 works without ko.
# incident 67 (slightly modified)
loadsgf games/incident67.sgf 21
loadsgf games/incident64.sgf 52
loadsgf games/incident55.sgf 98
loadsgf games/incident80.sgf 141
loadsgf games/incident82.sgf 184
loadsgf games/incident114.sgf 36
# Three space nakade in the corner.
loadsgf games/incident231.sgf 206
# incident 84 (slightly modified)
loadsgf games/incident84.sgf 57
loadsgf games/incident85.sgf 214
# Double snapback. Also see tests 89, 90.
loadsgf games/incident92.sgf 250
# Defense available by backfilling. Also see test 91.
loadsgf games/incident93.sgf 42
loadsgf games/incident144.sgf 98
# Indirect defense causing shortage of liberties available. See also
loadsgf games/incident42.sgf 58
# Essentially identical to incident 42. See also test 92.
loadsgf games/incident42.sgf 88
# This is a ko reading mistake. See also tests 93--96.
loadsgf games/incident118.sgf 252
# This is a ko reading mistake. See also tests 97 and 98.
loadsgf games/incident118.sgf 256
# Technically N1 also works with ko, but it's inferior since we have
# This test passes if ko depth is increased to 9.
loadsgf games/incident121.sgf 74
# Ko is involved here too, if trying to defend at B1.
loadsgf games/incident239.sgf 58
# Another ko reading mistake.
loadsgf games/incident165.sgf 212
# This is a reading mistake from the first game of the Honinbo title
# match 2000, between O Meien (white) and Cho Sonjin (black). White
# resigned after move 59.
loadsgf games/ladder1.sgf 59
# The same position a few moves earlier.
loadsgf games/ladder1.sgf 55
# This mistake can be solved by increasing the backfill depth to 11.
loadsgf games/incident185.sgf 204
loadsgf games/incident186.sgf
# incident 194 (slightly modified)
loadsgf games/incident189.sgf 222
loadsgf games/incident189.sgf 252
loadsgf games/incident225.sgf 252
loadsgf games/incident225.sgf 254
loadsgf games/incident246.sgf 74
loadsgf games/incident246.sgf 76
# This is a cleaned up version of incident 247
loadsgf games/reading01.sgf
# This is a simplified version of the reading problem in incident 59.
# Still it's a very tough problem for a computer.
loadsgf games/reading02.sgf
loadsgf games/reading03.sgf
# Should find ko attack. Also a life and death problem
loadsgf games/incident252.sgf 134
# This mistake can be solved by increasing the fourlib depth to 11.
loadsgf games/incident272.sgf 24
# This ko is quite messy with respect to internal ko threats. Awaiting
# further analysis, we accept both return codes 2 and 3.
loadsgf games/incident272.sgf 252
loadsgf games/incident278.sgf 160
loadsgf games/strategy5.sgf 44
loadsgf games/reading04.sgf 237
# Position from Tim's game
loadsgf games/reading05.sgf
loadsgf games/nicklas/nicklas11.sgf 244
loadsgf games/reading06.sgf
loadsgf games/reading07.sgf 1
loadsgf games/reading07.sgf 2
# A simplification of incident 225. Ko tests.
loadsgf games/reading08.sgf
# A simplification of incident 119. Ko tests.
loadsgf games/reading09.sgf 1
loadsgf games/reading09.sgf 3
# Failure to consider double atari on surrounding chain.
loadsgf games/reading10.sgf
# Crawling along the edge.
loadsgf games/strategy5.sgf 45
# Necessary to start by reinforcing surrounding chain.
loadsgf games/reading11.sgf
# Simplification of test 24, double snapback.
loadsgf games/reading12.sgf
# Simplification of test 25, backfilling defense.
loadsgf games/reading12.sgf
# Simplification of tests 27 and 28, indirect defense.
loadsgf games/incident42.sgf 89
# Simplification of tests 29 and 30, ko mistakes.
loadsgf games/reading13.sgf 1
loadsgf games/reading13.sgf 2
loadsgf games/reading13.sgf 3
# Simplification of tests 31 and 32, ko mistakes.
loadsgf games/reading13.sgf 4
loadsgf games/reading14.sgf
loadsgf games/reading16.sgf
# Simplification of test 21.
loadsgf games/reading12.sgf
loadsgf games/reading15.sgf
loadsgf games/reading17.sgf
loadsgf games/reading18.sgf
loadsgf games/reading18.sgf
# based on test 12 (incident79.sgf)
loadsgf games/reading19.sgf
# based on strategy test 18
loadsgf games/reading20.sgf
loadsgf games/reading21.sgf
# Backfilling insufficient, need to back-capture.
loadsgf games/reading22.sgf
loadsgf games/TSa.sgf 298
# Derived from strategy2 test 78. See also test case 138.
loadsgf games/strategy21.sgf 96
loadsgf games/reading22.sgf
# See also test case 137.
loadsgf games/strategy27.sgf 62
loadsgf games/nicklas/nicklas18.sgf 45
loadsgf games/explorer.sgf 64
loadsgf games/reading23.sgf
loadsgf games/incident156.sgf 186
loadsgf games/reading24.sgf 48
# superstring problem with double ko
loadsgf games/reading26.sgf
loadsgf games/reading27.sgf 66
loadsgf games/reading28.sgf
loadsgf games/gwe.sgf 225
loadsgf games/reading29.sgf
loadsgf games/reading29.sgf
loadsgf games/reading30.sgf
loadsgf games/reading31.sgf
# Ko depth needs to be increased to 11 before the ko is detected.
loadsgf games/trevor/trevor_03.sgf 29
loadsgf games/reading32.sgf
loadsgf games/reading33.sgf
loadsgf games/strategy11.sgf 77
loadsgf games/trevor/auto/d12.sgf 66
loadsgf games/ssstator.sgf 133
loadsgf games/reading34.sgf
loadsgf games/reading34.sgf
loadsgf games/trevor/auto/b75.sgf 62
loadsgf games/reading35.sgf
loadsgf games/reading36.sgf 23
loadsgf games/nngs/Lazarus-gnugo-3.1.19-200201092246.sgf 66
# Gets it right if F5 is filled, so the issue is finding the
loadsgf games/doubleko.sgf
# This position can reveal komaster scheme weaknesses.
loadsgf games/reading37.sgf
# After B:F13, W:D13, B:H13, W:G13, B:G12, white G11 would be self-atari.
loadsgf games/trevor/auto/b28.sgf 80
loadsgf games/owl33.sgf 212
# See also connect:4,54,55
loadsgf golois/Basique990715-1.sgf
loadsgf games/reading38.sgf
loadsgf games/nngs/gnugo-3.3.2-Zahlman-200205221717.sgf 207
# Although gnugo plays N16, the fact it doesn't see that the move
# is also a defense for N13 causes owl misreads.
loadsgf games/nngs/Lazarus-gnugo-3.1.19-200201092246.sgf 258
loadsgf games/reading39.sgf
loadsgf games/nngs/gnugo-3.3.9-nailer-200210192227.sgf 242
loadsgf games/mertin13x13/katsunari-gnugo2.W+4.sgf 126
loadsgf games/reading40.sgf
loadsgf games/nngs/halti-gnugo-3.3.17-200303162357.sgf 228
# See also trevora:480. F5 doesn't work.
loadsgf games/trevor/auto/a031.sgf 40
# A18 only attacks with bad ko (extremely bad since the whole semeai
# is lost if white ignores the ko threat). A17 also attacks with bad
# ko but here a lost ko means seki. A19 gives a good ko but losing it
# costs the whole semeai.
# The distinction between these results is too subtle for the tactical
# reading code so for now we only check that it realizes that there is
loadsgf games/reading41.sgf 118
# Playing E11 immediately gives bad ko. A18 obviously is totally
# ineffective. Necessary to start at A16.
loadsgf games/reading41.sgf 130
loadsgf games/reading40.sgf
loadsgf games/nngs/tommmal-gnugo-3.5.1-200310071202.sgf 194
loadsgf games/reading42.sgf 62
# A3 wins the semeai. This is very ugly since it requires backfilling
# of a large number of superstring liberties. See also gifu03:310.
loadsgf games/cgf2003/GnuGo-GoInt.sgf 237
loadsgf games/reading43.sgf
loadsgf games/reading44.sgf
loadsgf games/incident108b.sgf 292
loadsgf games/test4lose.sgf
# Standard corner tesuji (sacrifice two stones at H8 and J8 later). /ab
loadsgf games/nngs/evand-gnugo-3.5.2gf1-200312130817.sgf 28
loadsgf games/blunder23.sgf
# See also connection:113 and blunder:24.
loadsgf games/blunder17.sgf
loadsgf games/reading45.sgf
# Ladder reading problem. See also kgs:290 and kgs:300
# This is more or less a duplicate of reading:156.
loadsgf games/kgs/yagr-czarny.sgf 17
loadsgf games/arend/gnugo-gnugo7.sgf 24
# See also trevorc:880,890
loadsgf games/trevor/auto/c51.sgf 82
loadsgf games/reading46.sgf
loadsgf games/reading47.sgf
loadsgf games/reading47.sgf
loadsgf games/nngs/evand-gnugo-3.5.2gf1-200312161910.sgf 52
# GNU Go 3.7.2 thinks white has an attack at D3.
loadsgf games/kgs/maproom-gnugo3pt6.sgf 37
# See also connection:119.
loadsgf games/kgs/llk-GNU.sgf 150
loadsgf games/nando/auto023.sgf 170
# See also olympiad2004:112
loadsgf games/olympiad2004/19x19/int-gnu.sgf 96
# See also ninestones:370
loadsgf games/nngs/leftd-gnugo-3.3.16-200302072009.sgf 78
loadsgf games/9handicap.sgf 280
# See also semeai:143-144.
loadsgf games/semeai/semeai22.sgf 7
loadsgf games/cgos/879.sgf 68
loadsgf games/cgos/25811.sgf 52
# The send-two-return-one move at J1 is totally ineffective but
# causes horizon effects.
loadsgf games/cgos/14198.sgf 53
loadsgf games/semeai/semeai6.sgf
#? [1 (B15|C15|D15|E15)]*
loadsgf games/gifu2005/mfg-gnugo.sgf 195
loadsgf games/reading48.sgf