1# M19 is a serious blunder. 2loadsgf games/nngs/gnugo-3.3.10-viking4-200210261703.sgf 181 31 reg_genmove white 4#? [M17] 5 6# D19 is locally worse than both E17 and E18. 7loadsgf games/nngs/gnugo-3.3.10-rcde05-200210280427.sgf 83 82 restricted_genmove white D19 E18 E17 9#? [E17|E18] 10 11# Just connect at K17. Don't make it difficult. 12loadsgf games/nngs/gnugo-3.3.10-rcde05-200210280427.sgf 157 133 reg_genmove white 14#? [K17]* 15 16# L17 is horribly overconcentrated 17loadsgf games/nngs/gnugo-3.3.10-rcde05-200210300235.sgf 27 184 restricted_genmove white L17 O18 19#? [O18] 20 21# G1 is the wrong way to defend G2. Both F2 and K2/K3 are locally better. 22# But what's really urgent is a move around F12. 23# An invasion around R8 would also be big but must wait until the left 24# edge has been settled. 25loadsgf games/nngs/gnugo-3.3.10-rcde05-200210300235.sgf 51 265 reg_genmove white 27#? [F12]* 28 29# B17 is unreasonable. Locally E16 only move. 30loadsgf games/nngs/gnugo-3.3.11-ccwills-200211031528.sgf 35 316 restricted_genmove white B17 E16 32#? [E16] 33 34# O14 adds nothing at all to the position. 35loadsgf games/nngs/niko-gnugo-3.3.11-200211201651.sgf 216 367 restricted_genmove black O14 M19 37#? [M19] 38 39# O13 is completely wasted. 40loadsgf games/nngs/niko-gnugo-3.3.11-200211201651.sgf 222 418 restricted_genmove black M19 O13 42#? [M19] 43 44# Critical to keep black split up. 45loadsgf games/gunnar/gunnar1.sgf 34 469 reg_genmove white 47#? [F13]* 48 49# Q15 was supposed to attack either Q14 or Q16 but obviously doesn't work. 50# R12 is probably better than R14 but both get the point. 51loadsgf games/gunnar/gunnar1.sgf 96 5210 reg_genmove white 53#? [R12|R14] 54 55# L8 doesn't suffice for local life. 56loadsgf games/gunnar/gunnar1.sgf 126 5711 reg_genmove white 58#? [K9] 59 60# C13 is nonsense. Just connect with B13. 61loadsgf games/gunnar/gunnar2.sgf 72 6212 reg_genmove white 63#? [B13] 64 65# Q5 is 3 points reverse sente. Q12 is of similar size. 66# E4 is only one point reverse sente. 67loadsgf games/gunnar/gunnar2.sgf 164 6813 reg_genmove white 69#? [Q5|Q12] 70 71# Necessary to block at Q11. O13 is a rather bad idea. 72loadsgf games/gunnar/gunnar2.sgf 168 7314 reg_genmove white 74#? [Q11]* 75 76# O6 is clearly locally better than P6. 77loadsgf games/gunnar/gunnar3.sgf 140 7815 restricted_genmove white O6 P6 79#? [O6] 80 81# T5 is huge. See next test case. 82loadsgf games/gunnar/gunnar3.sgf 190 8316 reg_genmove white 84#? [T5]* 85 86# T6 allows a combination attack. Necessary to fall back. 87loadsgf games/gunnar/gunnar3.sgf 192 8817 reg_genmove white 89#? [S7]* 90 91# Q15 is just swallowed. 92loadsgf games/gunnar/gunnar4.sgf 180 9318 restricted_genmove white P15 Q15 94#? [P15] 95 96# No reason to play ko with L3. 97loadsgf games/gunnar/gunnar4.sgf 198 9819 reg_genmove white 99#? [L4] 100 101# H14 and J14 are blunders. 102loadsgf games/gunnar/gunnar5.sgf 198 10320 reg_genmove black 104#? [F16|K14] 105 106# P17 only helps black and leaves white with bad shape. Locally Q17 is 107# superior. A move around K16 may be even better to start with. 108loadsgf games/nngs/gnugo-3.3.16-rubus-200302281805.sgf 17 10921 restricted_genmove white P17 Q17 K16 K17 110#? [Q17|K16|K17]* 111 112# Same problem as 21 but with slightly different surroundings. 113loadsgf games/nngs/gnugo-3.3.16-rubus-200302281805.sgf 19 11422 restricted_genmove white E17 D17 K16 K17 115#? [D17|K16|K17]* 116 117# Must not play empty triangle at O5. N5 superior local shape. 118loadsgf games/nngs/gnugo-3.3.16-rubus-200302281805.sgf 69 11923 restricted_genmove white O4 O5 N4 N5 120#? [N5] 121 122# L17 and P9 are both -1 point gote. K3 is just a random dame point. 123# See also owl1:300 124loadsgf games/gunnar/gunnar7.sgf 12524 restricted_genmove black L17 K3 126#? [K3] 12725 restricted_genmove black P9 K3 128#? [K3]* 129 130# J2 is not a relevant cutstone and saving it should not be worth a bonus. 131loadsgf games/gunnar/gunnar8.sgf 13226 restricted_genmove black K1 H1 J3 J4 F9 133#? [F9] 134 135# White cannot make two proper eyes but can make life with 136# topologically false eyes. G18 and M19 both live but G18 is 137# slightly bigger. M12 is a well timed double sente move which of 138# course also makes life. F19, G19, K19, and N19 all die. 139# See also owl1:301 140loadsgf games/gunnar/rbm-bobk-200303111815.sgf 159 14127 reg_genmove white 142#? [G18|M12|M19]* 143 144# T9 is maybe okay but it seems to end in ko for the life of one of 145# the white dragons. Anything is better than the game move at N1, but 146# it looks like S9 is the correct move. For the time being we allow 147# also T9, though. 148loadsgf games/nngs/gnugo-3.3.17-joshj-200304172202.sgf 226 14928 reg_genmove white 150#? [S9|T9] 151 152# H5 is the only move. H11 can connect to either of two invincible 153# dragons and is therefore not weak at all. 154loadsgf games/gunnar/gunnar9.sgf 1 15529 reg_genmove white 156#? [H5]* 157 158# F18 should be a better and bigger way to live than B18. 159loadsgf games/nngs/gnugo-3.3.18-overziel7-200304281000.sgf 110 16030 restricted_genmove white F18 B18 161#? [F18] 162 163# F18 is clearly bigger and better shape than E17. 164loadsgf games/nngs/gnugo-3.3.18-overziel7-200304281000.sgf 120 16531 restricted_genmove white F18 E17 166#? [F18]* 167 168# C18 looks like the simplest way to live. There may be other effective 169# moves which should also be accepted. 170loadsgf games/nngs/gnugo-3.3.18-overziel7-200304281000.sgf 124 17132 reg_genmove white 172#? [C18]* 173 174# Important to strengthen the wall at M11. P10 is not so large. 175loadsgf games/nngs/gnugo-3.3.18-overziel7-200304281000.sgf 184 17633 restricted_genmove white M11 P10 177#? [M11]* 178 179# The game move at P7 is worthless. M4 or M5 take the last point. 180loadsgf games/nngs/gnugo-3.3.18-overziel7-200304281000.sgf 234 18134 reg_genmove white 182#? [M4|M5] 183 184# D5 is a ko threat which loses two points. Better let black connect 185# the ko. 186loadsgf games/gunnar/gunnar10.sgf 18735 reg_genmove white 188#? [C7|D7|E7]* 189 190# The break-in code of GNU Go 3.3.21 wants to play J12, H11, or K13. 191# Clearly filling ko at B18 is the only worthwhile move here. 192loadsgf games/gunnar/gunnar11.sgf 19336 reg_genmove white 194#? [B18] 195 196# The game move at S8 was found as a bogus endgame backfilling dame 197# move. 198loadsgf games/nngs/tommmal-gnugo-3.4-200309021655.sgf 106 19937 restricted_genmove black S8 Q15 200#? [Q15]* 201 202# The semeai can still be won. 203loadsgf games/nngs/tommmal-gnugo-3.5.1-200309081210.sgf 208 20438 reg_genmove black 205#? [M7|N1]* 206 207# Keep the connection to save everything without ko. 208loadsgf games/nngs/gnugo-3.5.1-viking4-200309231039.sgf 123 20939 reg_genmove white 210#? [N4]* 211 212# A14 is huge, determining the entire upper left part of the board. 213# The lower right corner is also critical but much smaller. 214# See also owl1:332. 215loadsgf games/nngs/tommmal-gnugo-3.5.1-200310071202.sgf 194 21640 reg_genmove black 217#? [A14] 218 219# 3.5.1 finds an owl attack on H17 at E16 but no defense. The semeai 220# code correctly understands the vitality of D13 for both players and 221# revises the status to critical. However, the attack point is not 222# revised. 223loadsgf games/nngs/tommmal-gnugo-3.5.1-200310140825.sgf 142 22441 reg_genmove black 225#? [D13] 226 227# Make seki with B18. The problem for 3.5.1 is that the semeai code is 228# not called since E19 is considered owl alive and B18 owl dead. 229loadsgf games/gunnar/gunnar12.sgf 23042 reg_genmove white 231#? [B19] 232 233# Q19 lets white make seki. T17 dies. 234loadsgf games/nngs/Minori-gnugo-3.5.2gf1-200312161433.sgf 130 23543 reg_genmove black 236#? [R18|S18]* 237 238# T18 still gives seki. T17 dies. 239loadsgf games/nngs/Minori-gnugo-3.5.2gf1-200312161433.sgf 132 24044 reg_genmove black 241#? [T18]* 242 243# The played move here was H13, caused by incorrect delta territory 244# but ultimately by a bug in break_through(). Naturally there is no 245# way for white to break through G13, H14, G15. 246# 247# Original problem solved, but there's a better move than just 248# filling dames at Q7|Q6|J16|J17|E7|N4 /nn 249loadsgf games/nngs/Minori-gnugo-3.5.2gf1-200312161433.sgf 254 25045 reg_genmove black 251#? [K1] 252 253# Don't leave aji around, capture the white stones solidly. 254loadsgf games/nngs/joshj-gnugo-3.5.2gf1-200312171536.sgf 140 25546 restricted_genmove black O11 O9 N10 N9 M9 256#? [O11]* 257 258# F15 is about 6 points plus some reverse followup. A4 is three points 259# reverse sente. 260loadsgf games/nngs/gnugo-3.5.2gf1-wingjk-200312301242.sgf 114 26147 restricted_genmove white F15 A4 262#? [F15]* 263 264# Saving M13 is small compared to stopping a black incursion. 265loadsgf games/nngs/gnugo-3.5.2gf1-wingjk-200312301242.sgf 122 26648 restricted_genmove white M12 P11 267#? [P11]* 268 269# In 3.5.2 the breakin code hallucinates that white A10 would suddenly 270# let black break into the territory around F6. 271loadsgf games/nngs/gnugo-3.5.2gf1-wingjk-200312301242.sgf 164 27249 reg_genmove white 273#? [A10] 274 275# R13 very inefficient. 276loadsgf games/nngs/gnugo-3.5.4-chpr-200403201748.sgf 132 27750 restricted_genmove white R13 O8 278#? [O8]* 279 280# S7 kills all black stones in the corner. For GNU Go 3.5.4 this seems 281# to be a problem with valuation of the semeai. 282loadsgf games/nngs/gnugo-3.5.4-chpr-200403201748.sgf 154 28351 reg_genmove white 284#? [S7] 285 286# Regardless whether the dragon is thrashing or critical, Q14 is the 287# most solid move. 288loadsgf games/nngs/gnugo-3.5.4-chpr-200403201748.sgf 216 28952 reg_genmove white 290#? [Q14]* 291 292# R18 is clearly ineffective. 293# See also connection:111 294loadsgf games/nngs/gnugo-3.5.4-chpr-200403201748.sgf 290 29553 reg_genmove white 296#? [S17] 297 298# Playing J4 or F6 inside own territory clearly loses points. In 3.5.9 299# this is caused by some break-in confusion. 300loadsgf games/gunnar/gunnar13.sgf 30154 restricted_genmove white J4 F6 D9 302#? [D9] 303 304# White must find a ko threat. In the choice between C13 and D13, the 305# former has absolutely no followup potential and in this case also 306# happens to lose a point right out. 307# 308# Notice that C1 must be included among the considered moves to 309# provoke generation of ko threats in the first place. 310loadsgf games/gunnar/gunnar14.sgf 311play black B1 31255 restricted_genmove white C13 D13 C1 313#? [D13] 314 315# White must find a ko threat. A11 is neither a ko threat, nor worth a 316# point. 317loadsgf games/gunnar/gunnar15.sgf 318play black R1 31956 reg_genmove white 320#? [P18|E15|O12|N11|T12|T10|S7|T5] 321 322# No territory to contest around J12. Connect ko at Q19 instead. 323loadsgf games/gunnar/gunnar16.sgf 32457 restricted_genmove black J13 J12 H11 J11 K11 Q19 325#? [Q19] 326 327# No territory to contest around J15. Filling ko at Q19 bigger. 328loadsgf games/gunnar/gunnar17.sgf 32958 reg_genmove white 330#? [Q19] 331 332# Do not defend against combination attack inside potential territory 333# unless we have to. 334loadsgf games/gunnar/gunnar18.sgf 33559 reg_genmove black 336#? [P13] 337 338# R10 is clearly bigger than R11. 339loadsgf games/gunnar/gunnar19.sgf 34060 restricted_genmove white R10 R11 341#? [R10]* 342 343# Major endgame tesuji. 344loadsgf games/gunnar/gunnar20.sgf 34561 reg_genmove black 346#? [D8]* 347 348# O19 is both bigger and safer than the played move at G14. 349loadsgf games/kgs/GnuGoCVS-john.sgf 204 35062 reg_genmove white 351#? [O19]* 352 353# Q2 more solid than P1. 354loadsgf games/kgs/dogo-TheGNUGo.sgf 42 35563 restricted_genmove black Q2 P1 356#? [Q2]* 357 358# The game move at M1 is just weird. R2 is locally better than Q2. 359loadsgf games/kgs/dogo-TheGNUGo.sgf 44 36064 restricted_genmove black M1 Q2 R2 M5 R5 361#? [R2|M5|R5]* 362 363# P19 is one point reverse sente. There are many larger moves. 364loadsgf games/kgs/dogo-TheGNUGo.sgf 146 36565 restricted_genmove black P19 Q12 B11 S8 366#? [Q12|B11|S8]* 367 368# A10 was an overplay. Black should capture it and not fall back. 369loadsgf games/kgs/dogo-TheGNUGo.sgf 162 37066 restricted_genmove black B11 B10 B9 A9 A11 371#? [B11] 372 373# O16 severely overvalued and D9 undervalued 374loadsgf games/kgs/dogo-TheGNUGo.sgf 164 37567 restricted_genmove black D9 O16 376#? [D9]* 377 378# Capture on a large scale. 379loadsgf games/kgs/dogo-TheGNUGo.sgf 170 38068 restricted_genmove black F6 D8 381#? [D8] 382 383# Stop the main incursion first. 384loadsgf games/kgs/dogo-TheGNUGo.sgf 178 38569 restricted_genmove black A9 D7 386#? [D7]* 387 388# A13 and A18 live, the game move at D14 dies. 389loadsgf games/kgs/dogo-TheGNUGo.sgf 190 39070 reg_genmove black 391#? [A18|A13] 392 393# D5 huge. 394loadsgf games/kgs/dogo-TheGNUGo.sgf 198 39571 reg_genmove black 396#? [D5] 397 398# P11 is sente but loses one point since white can then play Q7 in 399# sente. 400loadsgf games/kgs/llk-GNU.sgf 228 40172 restricted_genmove black P11 F18 402#? [F18] 403 404# The ko threat was answered. Now take the ko again instead of a small 405# move like M4. 406# See also owl1:376,377. 407loadsgf games/kgs/GNU-ivanho.sgf 182 40873 reg_genmove white 409#? [M19] 410 411# No need to fall down to B14. C14 is effective enough and saves more 412# of the territory. 413loadsgf games/kgs/GNU-ivanho.sgf 210 41474 restricted_genmove white B14 C14 415#? [C14] 416 417# See also connection:120,121. 418loadsgf games/kgs/GNU-higher.sgf 193 41975 reg_genmove white 420#? [M11]* 421 422# R2 can't live. Necessary to find a ko threat. 423loadsgf games/kgs/GNU-HISOKA10.sgf 226 42476 restricted_genmove white P1 R2 G17 425#? [G17] 426 427# G8 is biggest by far. 428loadsgf games/kgs/GNU-marfan.sgf 183 42977 reg_genmove white 430#? [G8] 431 432# N3 is a solid defense. The game move at M5 fails. 433loadsgf games/kgs/GNU-marfan.sgf 221 43478 reg_genmove white 435#? [N3]* 436 437# K12 is clearly more solid than K11. 438loadsgf games/kgs/perler-GNU.sgf 198 43979 restricted_genmove black K11 K12 440#? [K12] 441 442# K15 is clearly more solid than K14. 443loadsgf games/kgs/perler-GNU.sgf 202 44480 restricted_genmove black K14 K15 445#? [K15]* 446 447# C5 is both bigger and leaves less aji than C4. 448loadsgf games/kgs/JMBE-GNU.sgf 198 44981 restricted_genmove black C4 C5 450#? [C5] 451 452# One point bigger to capture at T6 than to connect at T11. 453loadsgf games/kgs/sade-GNU.sgf 253 45482 restricted_genmove black T11 T6 455#? [T6]* 456 457# M10 is clearly better than N10. 458loadsgf games/kgs/sade-GNU.sgf 265 45983 restricted_genmove black M10 N10 460#? [M10] 461 462# P13 is clearly better than O13. 463loadsgf games/kgs/GNU-bassanio.sgf 164 46484 restricted_genmove white P13 O13 465#? [P13] 466 467# T6 can't be defended. R8 is globally too small but locally 468# guaranteed to be better. 469loadsgf games/kgs/ben9992000-GNU.sgf 141 47085 restricted_genmove black T6 R8 471#? [R8] 472 473# B6 unreasonable. 474loadsgf games/kgs/haiku-GNU.sgf 93 47586 restricted_genmove black C8 B6 476#? [C8] 477 478# O5 solves the problem. P4 backfires. 479loadsgf games/kgs/melonhead1-GNU.sgf 127 48087 restricted_genmove black O5 P4 M4 P3 M3 N3 N2 M5 N6 481#? [O5] 482 483# A15 does not solve the atari-atari problem. 484loadsgf games/kgs/melonhead1-GNU.sgf 183 48588 reg_genmove black 486#? [B17]* 487 488# E6 three points reverse sente. 489loadsgf games/kgs/Kuksa-GNU.sgf 178 49089 reg_genmove black 491#? [E6]* 492 493# Black H3 captures the H2 stone with ko. Even if the ko should 494# eventually be lost there's no points to lose in trying. 495loadsgf games/gunnar/gunnar21.sgf 49690 reg_genmove black 497#? [H3] 498 499# Break-in weirdness. P6 does not save the T10 stones. 500loadsgf games/kgs/GNU-roidesnems.sgf 143 50191 restricted_genmove white P6 S4 T4 P5 O5 N5 502#? [S4|T4]* 503 504# B15 cuts off the black stone in the corner. G17 is pointlessly submissive. 505loadsgf games/kgs/GNU-namascae.sgf 102 50692 restricted_genmove white G17 B15 507#? [B15] 508 509# C11 blocks off better than D11. 510loadsgf games/kgs/GNU-namascae.sgf 110 51193 restricted_genmove white C11 D11 512#? [C11]* 513 514# Necessary to protect against J14 cut. L16 and N15 are ineffective. 515loadsgf games/kgs/GNU-namascae.sgf 154 51694 reg_genmove white 517#? [H15|K16]* 518 519# Of course O3 isn't an option. 520loadsgf games/gunnar/gunnar22.sgf 52195 reg_genmove white 522#? [P1|S1] 523 524# Connection intransitivity, connecting at D18 lets the top be cut 525# off. We accept all moves which solve the connection problem. 526loadsgf games/kgs/koketto-GNU.sgf 209 52796 reg_genmove black 528#? [E16|F15|F14|G15|H15]* 529 530# B8 is overvalued by 3.7.8. 531loadsgf games/kgs/GNU-goodluck.sgf 233 53297 restricted_genmove white N16 B8 533#? [N16]* 534 535# F7 is mostly pointless as strategic defense. 536loadsgf games/kgs/GNU-ituyosi2.sgf 243 53798 restricted_genmove white A6 B6 F7 538#? [A6]* 539 540# T2 is found by endgame move generator in 3.7.9 but has no effect. 541loadsgf games/kgs/GNU-ituyosi2.sgf 293 54299 restricted_genmove white T2 C11 543#? [C11]* 544 545# Letting black cut at S6 gives major trouble. 546loadsgf games/kgs/GNU-ituyosi2.sgf 301 547100 reg_genmove white 548#? [S6]* 549 550# T8 wins the semeai, T7 allows black to make seki. 551loadsgf games/kgs/GNU-ituyosi2.sgf 311 552101 reg_genmove white 553#? [T8]* 554