1# numbering is continued from strategy3.tst. 2 3loadsgf games/gwe.sgf 231 4# strictly speaking tenuki is possible here. Q1 is of course bad 5# tm - Indeed GNU Go has finally figured out that tenuki is best! 6# tm - yes, Q1 is bad. T5 also wastes a point. 7# gf - However, policy is to restrain thrashing dragons, so T5 is correct. 8151 reg_genmove white 9#? [T5] 10 11loadsgf games/gwe.sgf 241 12152 reg_genmove white 13#? [S8] 14 15loadsgf games/strategy36.sgf 16153 reg_genmove black 17#? [Q9]* 18 19loadsgf games/strategy37.sgf 20154 reg_genmove white 21#? [E8] 22 23# Incident 190. 24loadsgf games/incident189.sgf 186 25155 reg_genmove black 26#? [D18] 27 28loadsgf games/ssstator.sgf 133 29156 reg_genmove black 30#? [B14|B16] 31 32# This problem is interesting. First there's a combination attack 33# at B16/B14/C18/B12. Second there's a combination breakin attack 34# G9+E9+F10 together with the cuts at B10,B12,B14. 35# The only moves defending against both combinations are B14, B13, 36# B12, A14, and A12. 37loadsgf games/ssstator.sgf 136 38157 reg_genmove white 39#? [B14|B13|B12|A14|A12]* 40 41# E16 is completely aimless and ineffective. 42loadsgf games/strategy38.sgf 51 43158 restricted_genmove black E16 R18 44#? [R18] 45 46loadsgf games/strategy38.sgf 117 47159 reg_genmove black 48#? [R9]* 49 50loadsgf games/strategy38.sgf 133 51160 reg_genmove black 52#? [K2|L2|L3] 53 54loadsgf games/strategy38.sgf 197 55161 reg_genmove black 56#? [E12] 57 58# First live then attack. This should probably be analyzed as a semeai. 59loadsgf games/strategy39.sgf 156 60162 reg_genmove white 61#? [O7|Q7|N7] 62 63# First live then attack. This should probably be analyzed as a semeai. 64# tm - P8, though not as clean, also kills all the B stones. 65loadsgf games/strategy39.sgf 158 66163 reg_genmove white 67#? [O7|P8]* 68 69#### N4 is clearly superior to O5. 70#### tm - N4 has it's weaknesses (at O5) too. Both clearly kill. 71### removing this problem. 72###loadsgf games/strategy39.sgf 172 73###164 reg_genmove white 74####? [!O5] 75### 76 77# K1 is out of the question. K3 is locally better and L6 might kill with ko. 78loadsgf games/strategy39.sgf 178 79165 reg_genmove white 80#? [K3|L6] 81 82loadsgf games/incident94.sgf 114 83166 reg_genmove white 84#? [D11]* 85 86# Tenuki instead of urgent edge joseki move. 87loadsgf games/strategy40.sgf 10 88167 reg_genmove black 89#? [D4] 90 91# Safety must come first. This is almost a whole-board semeai. 92loadsgf games/strategy40.sgf 30 93168 reg_genmove black 94#? [A3|A4]* 95 96# Both J7 and J9 rescue the threatened stones, but J7 is the proper 97# choice since it leaves a smaller ko threat behind. (That there's no 98# risk for ko in this position is irrelevant. There's still no reason 99# to choose J9 over J7.) 100loadsgf games/strategy41.sgf 101169 reg_genmove black 102#? [J7] 103 104# White can't play G19. Locally this move must be at G18. 105loadsgf games/strategy42.sgf 174 106170 restricted_genmove white G18 G19 107#? [G18] 108 109# T19 is out of the question. Locally T17 is better but the correct 110# move is A5. 111loadsgf games/strategy42.sgf 188 112171 reg_genmove white 113#? [A5] 114 115# It's correct to make a ko threat, but N9 is inefficient because it 116# doesn't utilize the full ko potential of the position. Locally M8 is 117# superior. 118loadsgf games/strategy42.sgf 214 119172 restricted_genmove white M8 N9 120#? [M8]* 121 122#CATEGORY=KO 123#DESCRIPTION=GNU Go lacks sufficient Ko understanding 124#SEVERITY=4 125# There's no way to win the ko by making atari from above. This move 126# must be at A9. This is a good example showing why only having the 127# difference between a ko where we make the first threat or not is 128# insufficient. 129loadsgf games/strategy42.sgf 218 130173 reg_genmove white 131#? [A9] 132 133# Always take the ko at least once. 134loadsgf games/strategy42.sgf 248 135174 reg_genmove white 136#? [S19] 137 138# This example shows that we need to find additional owl attack 139# points. Currently only K15 is found to owl attack N19, but clearly 140# the J14 move also does this, without sacrificing K13. 141loadsgf games/strategy43.sgf 271 142175 reg_genmove white 143#? [J14] 144 145# Best to capture with snapback. 146loadsgf games/strategy44.sgf 147176 reg_genmove black 148#? [D9] 149 150loadsgf games/xxlin.sgf 8 151177 reg_genmove black 152#? [E2] 153 154# E2 looks somewhat smaller but is still a good move. I think it 155# should be added. /gf 156loadsgf games/xxlin.sgf 16 157178 reg_genmove black 158#? [P4|P3|E2] 159 160#DESCRIPTION=Tenuki also seems OK here. 161#Added E2 (3.1.14) -trevor 162loadsgf games/xxlin.sgf 20 163179 reg_genmove black 164#? [P3|O2|P2|O4|E2]* 165 166loadsgf games/xxlin.sgf 30 167180 restricted_genmove black M7 Q8 R8 S8 168#? [Q8|R8]* 169 170loadsgf games/xxlin.sgf 38 171181 reg_genmove black 172#? [F3]* 173 174loadsgf games/xxlin.sgf 48 175182 reg_genmove black 176#? [E7|F8]* 177 178loadsgf games/xxlin.sgf 76 179183 reg_genmove black 180#? [P10|H9] 181 182loadsgf games/xxlin.sgf 106 183184 reg_genmove black 184#? [H13|F15|Q13] 185 186# We may want to move this to a dedicated seki or semeai test suite in 187# the future. 188loadsgf games/seki02.sgf 189185 reg_genmove black 190#? [E7] 191 192# O8 only move. 193loadsgf games/owl29.sgf 134 194186 reg_genmove white 195#? [O8] 196 197# B can play at C4 if we remember the tesuji B:C4 W:E4 B:B2. 198 199loadsgf games/pooo.sgf 16 200187 restricted_genmove black E4 C4 B3 B4 C1 201#? [C4|E4]* 202 203loadsgf games/pooo.sgf 24 204188 reg_genmove black 205#? [B6|C4] 206 207loadsgf games/pooo.sgf 50 208189 restricted_genmove black A14 C14 D14 E14 D15 E15 C19 209#? [E14]* 210 211loadsgf games/pooo.sgf 52 212190 reg_genmove black 213#? [D13]* 214 215loadsgf games/pooo.sgf 56 216191 reg_genmove black 217#? [C12] 218 219# A15 captures the white corner stones but does not have much 220# strategical value. The black stones are safe anyway. Thus A15 is 221# worth about 19 points. Other moves may well be larger. 222loadsgf games/pooo.sgf 74 223192 reg_genmove black 224#? [A15]* 225 226# (3.1.9) owl status of A11 is unchecked. 227 228loadsgf games/bretz.sgf 26 229193 reg_genmove black 230#? [F16]* 231 232loadsgf games/bretz.sgf 58 233194 reg_genmove black 234#? [A13]* 235 236loadsgf games/bretz.sgf 88 237195 restricted_genmove black S13 S14 238#? [S13] 239 240loadsgf games/bretz.sgf 100 241196 reg_genmove black 242#? [M17]* 243 244#Tenuki at S18 is not unthinkable. (3.1.14) -trevor 245loadsgf games/bretz.sgf 130 246197 reg_genmove black 247#? [K3|S18] 248 249#Tenuki at S18 is not unthinkable. (3.1.14) -trevor 250loadsgf games/bretz.sgf 148 251198 reg_genmove black 252#? [C10|S18] 253 254#Tenuki at S18 is not unthinkable. (3.1.14) -trevor 255loadsgf games/bretz.sgf 164 256199 reg_genmove black 257#? [N5|S18] 258 259#Tenuki at S18 is not unthinkable. (3.1.14) -trevor 260loadsgf games/bretz.sgf 212 261200 reg_genmove black 262#? [P6|P7|Q7|S18]* 263 264loadsgf games/juka1.sgf 8 265201 reg_genmove black 266#? [D5] 267 268loadsgf games/juka1.sgf 14 269202 reg_genmove black 270#? [B6]* 271 272loadsgf games/juka1.sgf 18 273203 reg_genmove black 274#? [D5]* 275 276loadsgf games/juka1.sgf 28 277204 reg_genmove black 278#? [B2]* 279 280loadsgf games/juka1.sgf 48 281205 restricted_genmove black O11 P11 282#? [P11]* 283 284#CATEGORY=SEMEAI 285#DESCRIPTION=K6 does take K8 to no eyes, but... 286#SEVERITY=8 287#GNU Go misses that K10 (large B group) has way fewer liberties 288#than O9 group, hense missing importance of cutting off K8. 289loadsgf games/strategy45.sgf 290206 reg_genmove black 291#? [L8]* 292 293# T6 fails badly. Locally S9 looks best. 294loadsgf games/owl30.sgf 84 295207 restricted_genmove black R9 S9 T6 296#? [S9]* 297 298loadsgf games/lordofpi.sgf 36 299208 reg_genmove black 300#? [A5|A2|B1] 301 302# A4 allows W to make seki 303loadsgf games/lordofpi.sgf 46 304209 restricted_genmove black A1 A3 A4 C1 D3 305#? [A3] 306 307loadsgf games/lordofpi.sgf 52 308210 reg_genmove black 309#? [H7] 310 311loadsgf games/lordofpi.sgf 56 312211 reg_genmove black 313#? [H8] 314 315# Pattern LE14 gives an unreasonable value to H3. 316loadsgf games/owl31.sgf 28 317212 reg_genmove white 318#? [G2] 319 320loadsgf games/strategy46.sgf 172 321213 reg_genmove white 322#? [F1] 323 324loadsgf games/strategy46.sgf 174 325214 reg_genmove white 326#? [D2] 327 328# No longer interesting. Removed. 329# # CD103a incorrectly thinks E7 defends against a combination attack. 330# loadsgf games/owl33.sgf 200 331# 215 reg_genmove black 332# #? [!E7] 333 334# B6 is too slow at this time. 335loadsgf games/handtalk/handtalk1.sgf 45 336216 reg_genmove black 337#? [!B6] 338 339loadsgf games/handtalk/handtalk1.sgf 49 340217 reg_genmove black 341#? [!R9] 342 343# locally F12 is better. Similar problem at move 51 344loadsgf games/handtalk/handtalk1.sgf 55 345218 restricted_genmove black C14 E12 F12 346#? [F12]* 347 348# lots of good problems in this game 349loadsgf games/nngs/gnugo-3.1.30-morlvera-200204041921.sgf 154 350219 reg_genmove white 351#? [K9]* 352 353loadsgf games/nngs/gnugo-3.1.30-merlin-200204041428.sgf 189 354220 reg_genmove white 355#? [R6] 356