From: Jason Childress HOTMAIL COM> Date: 10 feb 2002 Subject: Re: This week in Shukan Shogi (no. 928, February 6th 2002) How do I unsubscribe from Shogi-L? Sorry to post directly to the mailing list but I am too lazy to dig it up on the web :( >From: Reijer Grimbergen FU IS SAGA-U AC JP> >Reply-To: The Shogi Discussion List TECHUNIX TECHNION AC IL> >To: SHOGI-L TECHUNIX TECHNION AC IL >Subject: This week in Shukan Shogi (no. 928, February 6th 2002) >Date: Fri, 8 Feb 2002 19:05:01 +0900 > >This week in Shukan Shogi the second game of the Osho match between Habu >and Sato. A surprisingly easy victory for Sato, who takes a 2-0 lead in >the match and looks like a man with a mission. Here is the game with >comments: > >Black: Sato Yasumitsu, Challenger >White: Habu Yoshiharu, Osho >51st Osho-sen, Game 2, January 25th and 26th 2002 >1.P2g-2f 00:02:00 00:00:00 >2.P8c-8d 00:02:00 00:04:00 > >A small surprise. It was expected that Habu would defend with the >Yokofudori in this game. > >3.P2f-2e 00:04:00 00:04:00 >4.P8d-8e 00:04:00 00:07:00 >5.G6i-7h 00:04:00 00:07:00 >6.G4a-3b 00:04:00 00:09:00 >7.P2e-2d 00:06:00 00:09:00 >8.P2cx2d 00:06:00 00:10:00 >9.R2hx2d 00:06:00 00:10:00 >10.P*2c 00:06:00 00:11:00 >11.R2d-2h 00:06:00 00:11:00 >12.P8e-8f 00:06:00 00:33:00 >13.P8gx8f 00:06:00 00:33:00 >14.R8bx8f 00:06:00 00:33:00 >15.P*8g 00:07:00 00:33:00 >16.R8f-8d 00:07:00 00:33:00 >17.S3i-3h 00:09:00 00:33:00 >18.P3c-3d 00:09:00 00:34:00 >19.S3h-2g 00:17:00 00:34:00 >20.P1c-1d 00:17:00 01:29:00 >21.P7g-7f 00:48:00 01:29:00 >22.N2a-3c?! 00:48:00 01:42:00 > >This position is similar to an earlier game between these players: A >Nihon Series game played on October 14th last year. That game was won by >Habu, but the colors were reversed. Both players must have been well >aware of this and Habu is the first one to try and improve the play in >that game. There, Sato played N3c only after the silver had come up to >3f. Habu's idea is the same: pushing back the silver on 3f by playing >B1c followed by P3e if the silver moves up. Pushing back the silver and >moving into a hineribisha position (R3d, N3d, B1c) wins white some >moves. However, with the silver not yet played to 3f, this plan is not >so strong. Sato just abandons this idea in favor of another one. > >23.S7i-6h 01:03:00 01:42:00 >24.R8d-7d 01:03:00 01:49:00 >25.S6h-7g!? 01:29:00 01:49:00 > >A risky move, but Sato has correctly judged this. Often played in this >type of position is G7g, but this gold eventually has to return to 7h, >giving white an extra move. Sato doesn't want to give up that move and >aims for a Yagura position instead. The problem is that 25.S7g weakens >5g, which is exactly the point where white's attack is aimed at. > >26.P3d-3e 01:29:00 01:55:00 >27.B8h-7i 01:31:00 01:55:00 >28.R7d-3d 01:31:00 02:08:00 >29.P5g-5f 01:39:00 02:08:00 >30.K5a-6b 01:39:00 02:14:00 >31.K5i-6i 01:45:00 02:14:00 >32.S7a-7b 01:45:00 02:21:00 >33.P9g-9f 02:40:00 02:21:00 > >In this game, Sato spent most of his time on this move: 55 minutes. It >is a subtle waiting move. 33.B6h followed by K7i and K8h is the obvious >way to continue, but Sato didn't like P7d followed by N7c in that case. >Sato is playing P9f to see what his opponent is going to do. > >34.B2b-1c 02:40:00 02:42:00 > >Habu plays the active plan. He judged that answering P9f with P9d wasn't >good for white. B1c is a natural development move in the hineribisha, >but also a small trap. > >35.S7g-6f! 02:54:00 02:42:00 > >Of course Sato doesn't fall for it. 35.B6h? would have been very >dangerous after 36.N4e and after both 37.G3h or G4h, white strongly >attacks with 38.P3f. With the gold on 3h, the hole on 5g is undefended >and with a gold on 4h, there is always a bishop drop on 3i. 35.S6f >abandons the plan of building a perfect Yagura, but is a good, active move. > >36.K6b-7a 02:54:00 02:57:00 >37.P9f-9e 03:21:00 02:57:00 >38.S3a-4b 03:21:00 03:21:00 >39.P1g-1f 03:29:00 03:21:00 >40.P4c-4d? 03:29:00 04:11:00 > >Professional shogi can be decided by very subtle things. This innocent >looking move might well have been the difference in this game. Habu >should have played 40.P6d immediately, threatening to attack the silver >on 6f at any time with P6e. In this case, black can not play 41.B6h >because of 42.P*8h and white has a strong attack. After 40.P6d the >following variation can be expected: 41.S2f P3f Px3f Rx3f S3g Rx5f S4f >R5d. Habu said after the game that he wasn't very confident about this >position, but that it was much better than what happened after 40.P4d. > >41.B7i-6h 03:44:00 04:11:00 >42.P6c-6d 03:44:00 04:22:00 >43.K6i-7i 04:09:00 04:22:00 > >The difference. Black is now in time to stop the attack with 43.P*8h. > >44.N3c-4e 04:09:00 04:53:00 > >Habu realizes he is in trouble and tries to force the position. > >45.R2h-5h! 04:30:00 04:53:00 > >Cool defense. This rook is now out of harm's way after P3f, which is the >only attack white has. > >46.P3e-3f? 04:30:00 05:31:00 > >Going in strong, but based on a mistake in Habu's calculations. > >47.B6hx1c+ 05:02:00 05:31:00 >48.L1ax1c 05:02:00 05:47:00 > >Here Habu realized that his planned 48.Px3g+ fails to 49.B*2e! and now >50.+Px4g is answered by R1h and 50.R3c by P*3d. > >49.P3gx3f 05:02:00 05:47:00 >50.P2c-2d 05:02:00 05:58:00 >51.B*4f! 05:08:00 05:58:00 > >Another good move by Sato. 51.B*6h is the most natural looking drop for >the bishop, but Sato didn't like a future N5g+. Furthermore, there is no >way black can go and kill the knight with P4f (the hole on 4g would be >too severe), so Sato thought it better to drop the bishop on 4f. > >52.R3d-3c 05:08:00 06:06:00 >53.P3f-3e 05:09:00 06:06:00 >54.G3b-4c 05:09:00 06:14:00 >55.S2g-3f 05:18:00 06:14:00 > >Finally, the silver moves up. Black has a big advantage here. > >56.B*6c 05:18:00 06:35:00 >57.R5h-3h 05:31:00 06:35:00 >58.R3c-3a 05:31:00 06:51:00 > >It looks like white might have a chance here with 58.P*3g 59.Nx3g >60.N5g=, but after 61.N2e! Nx4i+ Nx3c+ Sx3c Bx6d +N4h Rx4h Bx3f R*1b >followed by capturing the lance on 1c, black keeps his advantage. > >59.G4i-4h 05:54:00 06:51:00 >60.R3a-2a 05:54:00 06:53:00 >61.R3h-3i 05:54:00 06:53:00 > >Habu is hoping for some attack with P*3g, but Sato doesn't give him any >hope. > >62.P*3g 05:54:00 06:57:00 >63.N2ix3g 06:02:00 06:57:00 >64.N4e-5g+ 06:02:00 06:57:00 >65.S6fx5g 06:08:00 06:57:00 >66.B6cx3f 06:08:00 06:57:00 >67.N3g-2e! 06:10:00 06:57:00 > >The game winner. If white moves the bishop, Nx1c+ is too severe. > >68.B3fx2e 06:10:00 07:13:00 >69.P*2f 06:10:00 07:13:00 > >This completely kills white's attack. > >70.P4d-4e 06:10:00 07:13:00 >71.B4f-5e 06:12:00 07:13:00 >72.G4c-5d 06:12:00 07:13:00 >73.P2fx2e 06:12:00 07:13:00 >74.G5dx5e 06:12:00 07:13:00 >75.P5fx5e 06:12:00 07:13:00 >76.B*2h 06:12:00 07:13:00 >77.R3i-5i 06:21:00 07:13:00 >78.B2hx5e+ 06:21:00 07:17:00 >79.S5g-6f 06:21:00 07:17:00 >80.+B5e-5d 06:21:00 07:17:00 >81.P3e-3d 06:27:00 07:17:00 >82.K7a-8b 06:27:00 07:20:00 >83.K7i-8h 06:33:00 07:20:00 >84.R2a-3a 06:33:00 07:23:00 >85.B*2b 06:36:00 07:23:00 >86.R3ax3d 06:36:00 07:32:00 >87.B2bx1c+ 06:36:00 07:32:00 >88.P4e-4f 06:36:00 07:32:00 >89.+B1c-2c 06:47:00 07:32:00 >90.R3d-3f 06:47:00 07:32:00 >91.+B2c-5f 06:48:00 07:32:00 >Resigns 06:48:00 07:32:00 > >Not a position in which many amateur players would resign, but Habu sees >that he has to defend against L*8f P*8c Lx8c+ Sx8c +Bx8c Kx8c N*7e K7b >Rx5d. The only way to do that is by playing 92.P*8c, but this makes his >only attacking chance with P*8f impossible, so there is no way to win >for white from there. The white position is much worse than it looks at >first glance. A complete victory for Sato in this game, who really >stepped up his game so far. For Habu this is the first time in seven >Osho matches that he starts with two losses. Is the writing on the wall, >or can Habu find a way to fight back? > > >In other shogi news >=================== >* Kisei league: Okazaki-Sugimoto 0-1 (Group A), Fujii-Sato Yasumitsu 1-0 >(Group D). Sugimoto wins the first survival game and is now 1-1. Fujii >and Sato only played their first game in the league. Fujii will meet >Hatakeyama Nariyuki to play for a place in the challenger finals. Sato >will play Suzuki next to stay in the tournament. >* The Asahi Open tournament (the follow-up of the Zen Nihon Pro >tournament) is taking shape. Seven out of eight quarter finalists have >been decided: Moriuchi will play Sugimoto, Nakahara plays Maruyama and >Habu plays Tanigawa. The final game is between Sato and the winner of >the game between Fujii and Horiguchi Kazushiza. A very interesting >best-of-five match for the tournament victory can already be expected. > >More next week, >Reijer > >-- > >Reijer Grimbergen >Department of Information Science >Saga University >1 Honjo-machi, Saga-shi, 840-8502 Japan >E-mail: grimbergen fu is saga-u ac jp >URL: http://www.fu.is.saga-u.ac.jp/~grimberg/ >Tel: +81-(0)952-28-8821 >Fax: +81-(0)952-28-8650 _________________________________________________________________ Chat with friends online, try MSN Messenger: http://messenger.msn.com