From: Reijer Grimbergen yz yamagata-u ac jp> Date: 15 jun 2006 Subject: This week in Shukan Shogi (no. 1150, June 7th 2006) Your free subscription is supported by today's sponsor: ------------------------------------------------------------------- FREE Zoobooks Elephants ISSUE and tiger POSTER! Is your child reading? Zoobooks is guaranteed to improve=20 your child=92s reading skills. Click below to sign up now! http://click.topica.com/= caaeTvYa2i6YsbnuqMaa/ Zoobooks ------------------------------------------------------------------- In this report the fifth game of Meijin match between Moriuchi and=20 Tanigawa. With his back against the wall, Tanigawa played his best shogi= =20 and denied Moriuchi an early defense of his title. Here is the game with= =20 comments: [Black "Tanigawa Koji, Challenger"] [White "Moriuchi Toshiyuki, Meijin"] [Event "64th Meijin-sen, Game 5"] [Date "June 1st and 2nd 2006"] 1.P7g-7f 00:00:00 00:00:00 2.P3c-3d 00:00:00 00:03:00 3.P6g-6f 00:02:00 00:03:00 4.P5c-5d 00:02:00 00:06:00 5.S7i-6h 00:13:00 00:06:00 6.S7a-6b 00:13:00 00:11:00 7.P5g-5f 00:35:00 00:11:00 8.G6a-5b 00:35:00 00:26:00 9.S3i-4h 01:06:00 00:26:00 10.S3a-3b 01:06:00 00:35:00 11.G4i-5h 01:08:00 00:35:00 12.K5a-4b 01:08:00 00:46:00 13.P2g-2f 01:20:00 00:46:00 14.P4c-4d 01:20:00 00:58:00 15.S6h-7g 01:28:00 00:58:00 16.S3b-3c 01:28:00 01:04:00 17.B8h-7i 01:41:00 01:04:00 18.K4b-3b 01:41:00 01:04:00 19.K5i-6h 01:57:00 01:04:00 20.B2b-3a 01:57:00 01:07:00 21.K6h-7h 01:57:00 01:07:00 22.P7c-7d 01:57:00 01:07:00 23.P3g-3f 02:02:00 01:07:00 24.R8b-7b 02:02:00 01:27:00 25.G5h-6g 02:41:00 01:27:00 26.P7d-7e 02:41:00 01:57:00 Tanigawa admitted after the game that he was not sure if he would play=20 Furibisha in this game or not. In the end, the game settled into a=20 Yagura, but this type of attack by white is rather unusual. It is=20 unclear whether Moriuchi prepared this for this game. 27.P7fx7e 03:14:00 01:57:00 28.B3ax7e 03:14:00 01:57:00 29.B7i-4f 03:14:00 01:57:00 30.B7e-6d 03:14:00 01:58:00 31.S4h-5g 03:15:00 01:58:00 32.K3b-2b 03:15:00 03:04:00 33.P2f-2e 04:06:00 03:04:00 34.S6b-5c 04:06:00 03:11:00 35.K7h-8h 04:10:00 03:11:00 36.S5c-4b?! 04:10:00 03:35:00 Interesting move, as white threatens to play S4c next, after which the=20 white position has good balance and the number of squares where black=20 can drop a bishop is limited. Still, Moriuchi regretted this move after=20 the game. There is a hidden problem with it that Tanigawa doesn't miss.=20 Better was 36.G3b G7h Bx4f Sx4f P4e S5g S5c-4d and we end up in a pretty= =20 normal position. Fujii suggested that Moriuchi didn't think about this=20 very deeply because exchanging the bishops is a loss of tempo by white,=20 more or less admitting strategic defeat. 37.B4fx6d 04:46:00 03:35:00 38.P6cx6d 04:46:00 03:35:00 39.P*7c 04:46:00 03:35:00 40.N8ax7c 04:46:00 04:19:00 41.B*8a 04:47:00 04:19:00 42.R7b-6b 04:47:00 04:23:00 43.B8ax5d+ 04:47:00 04:23:00 44.G5b-6c 04:47:00 04:25:00 45.P2e-2d! 05:16:00 04:25:00 Well-timed pawn sacrifice. White can't take this pawn with the silver=20 because of the fork +Bx4d. 46.P2cx2d 05:16:00 04:26:00 The head of the white king now is very weak and the white pieces are all= =20 over the place. Moriuchi has to work very hard to keep his position=20 together. 47.+B5d-5e 05:16:00 04:26:00 48.S4b-4c 05:16:00 04:48:00 49.N2i-3g 05:27:00 04:48:00 50.P3d-3e 05:27:00 05:44:00 51.+B5e-4f 05:37:00 05:44:00 52.P3ex3f 05:37:00 05:47:00 53.+B4fx3f 05:37:00 05:47:00 54.B*5d 05:37:00 05:49:00 55.+B3fx5d 06:24:00 05:49:00 56.G6cx5d 06:24:00 05:49:00 57.P5f-5e 06:24:00 05:49:00 58.G5d-5c 06:24:00 06:06:00 59.P*2e 06:33:00 06:06:00 60.P2dx2e 06:33:00 06:20:00 61.B*7d 07:01:00 06:20:00 62.G5c-6c 07:01:00 06:32:00 63.B7dx8c+ 07:02:00 06:32:00 64.S3c-2d 07:02:00 06:48:00 65.P*7d 07:21:00 06:48:00 66.N7c-8e 07:21:00 06:50:00 67.P7d-7c+ 07:23:00 06:50:00 68.R6b-3b 07:23:00 06:52:00 69.P*3e! 07:23:00 06:52:00 Good move. This blocks the rook and 70.Rx3e fails to 71.S4f, which=20 defends the bishop and attacks the rook while the gold on 6c is still=20 under attack. 70.N8ex7g+? 07:23:00 07:16:00 The decisive mistake. Hard to see, but correct was 70.B*2c!. This move=20 invites black to finish his castle with 71.G7h, but then 72.P*3f is a=20 strong attack. The reason is that with the bishop on 2c, Nx2e is not so=20 effective with the bishop acting as a cushion against the black rook on=20 the 2nd file. Also, black wants to pull back the promoted bishop to 5f=20 where it works very well in attack and defense, but with the bishop on=20 2c, this is no longer possible. After 72.P*3f, 73.+Px6c Px3g+ R6h Nx7g+=20 Kx7g Rx3e is much better for white than the game variation. 71.G6gx7g 07:24:00 07:16:00 72.G6c-5c 07:24:00 07:16:00 73.+B8c-7d 07:25:00 07:16:00 74.G4a-5b 07:25:00 07:24:00 75.P5e-5d 07:31:00 07:24:00 76.S4cx5d 07:31:00 07:24:00 77.S5g-4f! 07:37:00 07:24:00 Another good move by Tanigawa. Tempting is 77.N*3d, but after 78.K2c=20 +P6b G5b-4c +B4a S*3a white still has fighting chances. 77.S4f is a good= =20 move because it defends both against Rx3e and the fork B*3i and now=20 threatens N*1f strongly. 78.S*2c 07:37:00 07:47:00 The head of the king is too weak, but Moriuchi will have dropped this=20 silver here with great regret. 79.N*3d 07:44:00 07:47:00 80.S2cx3d 07:44:00 07:49:00 81.P3ex3d 07:44:00 07:49:00 82.R3bx3d 07:44:00 07:50:00 83.+B7d-5f 07:55:00 07:50:00 84.N*4e 07:55:00 08:01:00 85.N3gx4e 08:10:00 08:01:00 86.S5dx4e 08:10:00 08:05:00 Suddenly black looks to be in trouble. R3i+ next attacks both rook and=20 gold and with the king open at the side, an attack with the rook looks=20 worrying. However, this rook promotion can't be defended because the=20 black bishop is attacked. 87.S4fx4e! 08:24:00 08:05:00 Tanigawa has come prepared. This required some deep calculation, but=20 playing a close endgame is Tanigawa's specialty. 88.R3d-3i+ 08:24:00 08:07:00 89.S4e-3d! 08:25:00 08:07:00 90.+R3ix2h 08:25:00 08:09:00 91.G6i-7h! 08:27:00 08:09:00 Tanigawa has given up the rook for a decisive attack. It is very=20 important that the gold on 7h is defended by the bishop on 5f and that=20 black is threatening mate here with S2c=3D K3c +B3d K4b N*5d Gx5d +Bx5b=20 Kx5b S*6a K4b G*5b K4c S*3d. It looks like white can both attack and=20 defend with 92.R*3h, but then 93.S2c+ K3a N*3d is winning. Finally,=20 picking of the bishop with 92.B*7i Kx7i R*5i K8h Rx5f+ is mate after=20 S*2c K3a N*4c etc. 92.K2b-3a 08:27:00 08:51:00 Moriuchi kind of makes a last stand, but after the game he admitted that= =20 he was just going through the motions. 93.S3d-2c=3D 08:30:00 08:51:00 94.B*4a 08:30:00 08:57:00 95.S*2b 08:35:00 08:57:00 96.K3a-4b 08:35:00 08:57:00 97.+B5f-3d 08:35:00 08:57:00 98.R*3h 08:35:00 08:57:00 99.+B3dx2d 08:37:00 08:57:00 100.P*3c 08:37:00 08:57:00 101.S2bx3c+ 08:42:00 08:57:00 102.N2ax3c 08:42:00 08:58:00 103.N*3d 08:42:00 08:58:00 104.K4b-4c 08:42:00 08:58:00 105.S*3b 08:42:00 08:58:00 106.B4ax3b 08:42:00 08:58:00 107.S2cx3b=3D 08:42:00 08:58:00 108.K4cx3b 08:42:00 08:58:00 109.B*2a 08:42:00 08:58:00 110.K3b-4a 08:42:00 08:58:00 111.S*4b 08:42:00 08:58:00 Resigns 08:42:00 08:59:00 Mate after 112.Gx4b +B2c K5a Nx4b+ Kx4b B3b+ K5a G*6b. A very good win=20 by Tanigawa in a game he couldn't afford to lose. He still has a=20 mountain to climb, because he has to win the next game with the white=20 pieces to force a decisive seventh game. However, the way his positive=20 attacking play paid off in this game will give him the confidence that=20 this match is not over yet. --=20 Reijer Grimbergen Department of Informatics, Yamagata University Jonan 4-3-16, Yonezawa, 992-8510 Japan Tel: +81-(0)238-26-3740 FAX: +81-(0)238-26-3299 http://gamelab.yz.yamagata-u.ac.jp/ Your free subscription is supported by today's sponsor: ------------------------------------------------------------------- FREE Zoobooks Elephants ISSUE and tiger POSTER! Is your child reading? Zoobooks is guaranteed to improve=20 your child=92s reading skills. 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