Inspired by the indefatigable @bugcat’s
here are some excerpts from the Dutch Go Magazine (year 41; number 5; December 2004).
The Dutch 6D’s Frank Janssen (black) played Geert Groenen (white) each other in Groningen on November 7 2004. 90 minutes plus 30 seconds byoyomi.
Commentary by Alexandre Dinerchtein (1P).
Figure 1
(9) New move that originated in China a few years ago.
(10) The only answer. Playing at (13) doesn’t work.
(11) Correct.
(12) Cutting at A would result in a complicated situation for white.
(13) Extending at B used to be popular.
(14) Correct shape.
Figure 2
(17) Black is prepared to fight.
(18) Overplay.
(19) Tough fight for white.
(24) Another overplay.
(33) Horrible result for white, game seems to be over.
(35) Vital point.
(52) Not possible to tenuki. Jumping to A to create some aji before living.
(56) Only an active play style can help white win this game.
Figure 3
(59) A is also possible.
(72) Result is balanced.
(89) Strong position for Black. Not necessary to defend. Invasion at 3-3 looks good.
(90) Big.
(98) It is getting close, but the best chances still seem to be for black.
(99) (121) is better.
(106) Overplay. Blocking at (107) is better.
(117) The losing move.
(118) Frank Jannsen seems to have overlooked this answer.
(127) Gote and loses points.
Figure 4
(128) Small. Defending at (130) is better.
(138) Bad for white.
(145) Mistake.
(150) Stones are worth lot of points. Pity to miss sente at A and B.
(156) Kosumi at C is correct.
Figure 5
(162) No need to play actively, white is already winning.
(175) Nice tesuji.
(179) Exchange is bad for white.
(181) Fatal. Connect stones.
(184) Winning move.
(190) White catches the centre stones and is leading by a few points.
Figure 6
(298) White wins by 1,5 point.