# numbering is continued from strategy3.tst. loadsgf games/gwe.sgf 231 # strictly speaking tenuki is possible here. Q1 is of course bad # tm - Indeed GNU Go has finally figured out that tenuki is best! # tm - yes, Q1 is bad. T5 also wastes a point. # gf - However, policy is to restrain thrashing dragons, so T5 is correct. 151 reg_genmove white #? [T5] loadsgf games/gwe.sgf 241 152 reg_genmove white #? [S8] loadsgf games/strategy36.sgf 153 reg_genmove black #? [Q9]* loadsgf games/strategy37.sgf 154 reg_genmove white #? [E8] # Incident 190. loadsgf games/incident189.sgf 186 155 reg_genmove black #? [D18] loadsgf games/ssstator.sgf 133 156 reg_genmove black #? [B14|B16] # This problem is interesting. First there's a combination attack # at B16/B14/C18/B12. Second there's a combination breakin attack # G9+E9+F10 together with the cuts at B10,B12,B14. # The only moves defending against both combinations are B14, B13, # B12, A14, and A12. loadsgf games/ssstator.sgf 136 157 reg_genmove white #? [B14|B13|B12|A14|A12]* # E16 is completely aimless and ineffective. loadsgf games/strategy38.sgf 51 158 restricted_genmove black E16 R18 #? [R18] loadsgf games/strategy38.sgf 117 159 reg_genmove black #? [R9]* loadsgf games/strategy38.sgf 133 160 reg_genmove black #? [K2|L2|L3] loadsgf games/strategy38.sgf 197 161 reg_genmove black #? [E12] # First live then attack. This should probably be analyzed as a semeai. loadsgf games/strategy39.sgf 156 162 reg_genmove white #? [O7|Q7|N7] # First live then attack. This should probably be analyzed as a semeai. # tm - P8, though not as clean, also kills all the B stones. loadsgf games/strategy39.sgf 158 163 reg_genmove white #? [O7|P8]* #### N4 is clearly superior to O5. #### tm - N4 has it's weaknesses (at O5) too. Both clearly kill. ### removing this problem. ###loadsgf games/strategy39.sgf 172 ###164 reg_genmove white ####? [!O5] ### # K1 is out of the question. K3 is locally better and L6 might kill with ko. loadsgf games/strategy39.sgf 178 165 reg_genmove white #? [K3|L6] loadsgf games/incident94.sgf 114 166 reg_genmove white #? [D11]* # Tenuki instead of urgent edge joseki move. loadsgf games/strategy40.sgf 10 167 reg_genmove black #? [D4] # Safety must come first. This is almost a whole-board semeai. loadsgf games/strategy40.sgf 30 168 reg_genmove black #? [A3|A4]* # Both J7 and J9 rescue the threatened stones, but J7 is the proper # choice since it leaves a smaller ko threat behind. (That there's no # risk for ko in this position is irrelevant. There's still no reason # to choose J9 over J7.) loadsgf games/strategy41.sgf 169 reg_genmove black #? [J7] # White can't play G19. Locally this move must be at G18. loadsgf games/strategy42.sgf 174 170 restricted_genmove white G18 G19 #? [G18] # T19 is out of the question. Locally T17 is better but the correct # move is A5. loadsgf games/strategy42.sgf 188 171 reg_genmove white #? [A5] # It's correct to make a ko threat, but N9 is inefficient because it # doesn't utilize the full ko potential of the position. Locally M8 is # superior. loadsgf games/strategy42.sgf 214 172 restricted_genmove white M8 N9 #? [M8]* #CATEGORY=KO #DESCRIPTION=GNU Go lacks sufficient Ko understanding #SEVERITY=4 # There's no way to win the ko by making atari from above. This move # must be at A9. This is a good example showing why only having the # difference between a ko where we make the first threat or not is # insufficient. loadsgf games/strategy42.sgf 218 173 reg_genmove white #? [A9] # Always take the ko at least once. loadsgf games/strategy42.sgf 248 174 reg_genmove white #? [S19] # This example shows that we need to find additional owl attack # points. Currently only K15 is found to owl attack N19, but clearly # the J14 move also does this, without sacrificing K13. loadsgf games/strategy43.sgf 271 175 reg_genmove white #? [J14] # Best to capture with snapback. loadsgf games/strategy44.sgf 176 reg_genmove black #? [D9] loadsgf games/xxlin.sgf 8 177 reg_genmove black #? [E2] # E2 looks somewhat smaller but is still a good move. I think it # should be added. /gf loadsgf games/xxlin.sgf 16 178 reg_genmove black #? [P4|P3|E2] #DESCRIPTION=Tenuki also seems OK here. #Added E2 (3.1.14) -trevor loadsgf games/xxlin.sgf 20 179 reg_genmove black #? [P3|O2|P2|O4|E2]* loadsgf games/xxlin.sgf 30 180 restricted_genmove black M7 Q8 R8 S8 #? [Q8|R8]* loadsgf games/xxlin.sgf 38 181 reg_genmove black #? [F3]* loadsgf games/xxlin.sgf 48 182 reg_genmove black #? [E7|F8]* loadsgf games/xxlin.sgf 76 183 reg_genmove black #? [P10|H9] loadsgf games/xxlin.sgf 106 184 reg_genmove black #? [H13|F15|Q13] # We may want to move this to a dedicated seki or semeai test suite in # the future. loadsgf games/seki02.sgf 185 reg_genmove black #? [E7] # O8 only move. loadsgf games/owl29.sgf 134 186 reg_genmove white #? [O8] # B can play at C4 if we remember the tesuji B:C4 W:E4 B:B2. loadsgf games/pooo.sgf 16 187 restricted_genmove black E4 C4 B3 B4 C1 #? [C4|E4]* loadsgf games/pooo.sgf 24 188 reg_genmove black #? [B6|C4] loadsgf games/pooo.sgf 50 189 restricted_genmove black A14 C14 D14 E14 D15 E15 C19 #? [E14]* loadsgf games/pooo.sgf 52 190 reg_genmove black #? [D13]* loadsgf games/pooo.sgf 56 191 reg_genmove black #? [C12] # A15 captures the white corner stones but does not have much # strategical value. The black stones are safe anyway. Thus A15 is # worth about 19 points. Other moves may well be larger. loadsgf games/pooo.sgf 74 192 reg_genmove black #? [A15]* # (3.1.9) owl status of A11 is unchecked. loadsgf games/bretz.sgf 26 193 reg_genmove black #? [F16]* loadsgf games/bretz.sgf 58 194 reg_genmove black #? [A13]* loadsgf games/bretz.sgf 88 195 restricted_genmove black S13 S14 #? [S13] loadsgf games/bretz.sgf 100 196 reg_genmove black #? [M17]* #Tenuki at S18 is not unthinkable. (3.1.14) -trevor loadsgf games/bretz.sgf 130 197 reg_genmove black #? [K3|S18] #Tenuki at S18 is not unthinkable. (3.1.14) -trevor loadsgf games/bretz.sgf 148 198 reg_genmove black #? [C10|S18] #Tenuki at S18 is not unthinkable. (3.1.14) -trevor loadsgf games/bretz.sgf 164 199 reg_genmove black #? [N5|S18] #Tenuki at S18 is not unthinkable. (3.1.14) -trevor loadsgf games/bretz.sgf 212 200 reg_genmove black #? [P6|P7|Q7|S18]* loadsgf games/juka1.sgf 8 201 reg_genmove black #? [D5] loadsgf games/juka1.sgf 14 202 reg_genmove black #? [B6]* loadsgf games/juka1.sgf 18 203 reg_genmove black #? [D5]* loadsgf games/juka1.sgf 28 204 reg_genmove black #? [B2]* loadsgf games/juka1.sgf 48 205 restricted_genmove black O11 P11 #? [P11]* #CATEGORY=SEMEAI #DESCRIPTION=K6 does take K8 to no eyes, but... #SEVERITY=8 #GNU Go misses that K10 (large B group) has way fewer liberties #than O9 group, hense missing importance of cutting off K8. loadsgf games/strategy45.sgf 206 reg_genmove black #? [L8]* # T6 fails badly. Locally S9 looks best. loadsgf games/owl30.sgf 84 207 restricted_genmove black R9 S9 T6 #? [S9]* loadsgf games/lordofpi.sgf 36 208 reg_genmove black #? [A5|A2|B1] # A4 allows W to make seki loadsgf games/lordofpi.sgf 46 209 restricted_genmove black A1 A3 A4 C1 D3 #? [A3] loadsgf games/lordofpi.sgf 52 210 reg_genmove black #? [H7] loadsgf games/lordofpi.sgf 56 211 reg_genmove black #? [H8] # Pattern LE14 gives an unreasonable value to H3. loadsgf games/owl31.sgf 28 212 reg_genmove white #? [G2] loadsgf games/strategy46.sgf 172 213 reg_genmove white #? [F1] loadsgf games/strategy46.sgf 174 214 reg_genmove white #? [D2] # No longer interesting. Removed. # # CD103a incorrectly thinks E7 defends against a combination attack. # loadsgf games/owl33.sgf 200 # 215 reg_genmove black # #? [!E7] # B6 is too slow at this time. loadsgf games/handtalk/handtalk1.sgf 45 216 reg_genmove black #? [!B6] loadsgf games/handtalk/handtalk1.sgf 49 217 reg_genmove black #? [!R9] # locally F12 is better. Similar problem at move 51 loadsgf games/handtalk/handtalk1.sgf 55 218 restricted_genmove black C14 E12 F12 #? [F12]* # lots of good problems in this game loadsgf games/nngs/gnugo-3.1.30-morlvera-200204041921.sgf 154 219 reg_genmove white #? [K9]* loadsgf games/nngs/gnugo-3.1.30-merlin-200204041428.sgf 189 220 reg_genmove white #? [R6]