60th Oza Match Game 4
[Black "Watanabe Akira, Oza"]
[White "Habu Yoshiharu, Challenger"]
[Event "60th Oza-sen, Game 4"]
[Date "October 3rd 2012"]
1.P7g-7f 00:00:00 00:00:00
2.R8b-3b 00:00:00 00:00:00
When Habu extended his hand to the 8th file, everybody thought that he would
play the pawn to 8d. It was a big surprise when he took the rook and moved it
to 3b. Even Watanabe couldn't hide his surprise and he took 5 minutes for the
next move.
3.P2g-2f 00:05:00 00:00:00
4.S3a-4b 00:05:00 00:03:00
5.K5i-6h 00:06:00 00:03:00
6.P3c-3d 00:06:00 00:04:00
7.K6h-7h 00:07:00 00:04:00
8.K5a-6b 00:07:00 00:05:00
9.P2f-2e 00:09:00 00:05:00
10.K6b-7b 00:09:00 00:06:00
11.S3i-4h 00:26:00 00:06:00
12.B2b-3c 00:26:00 00:07:00
13.P5g-5f 00:38:00 00:07:00
14.K7b-8b 00:38:00 00:12:00
15.S4h-5g 00:38:00 00:12:00
16.S7a-7b 00:38:00 00:31:00
17.G4i-5h 00:52:00 00:31:00
18.P9c-9d 00:52:00 00:35:00
19.P9g-9f 00:53:00 00:35:00
20.P6c-6d 00:53:00 00:58:00
21.P8g-8f 00:58:00 00:58:00
Watanabe would have liked to move into the Anaguma formation, but with the bishop
diagonal open this is too risky. Instead, the game turns into an old-fashioned Mino
against Sankenbisha game. This classic opening is rarely seen in professional games
these days.
22.G4a-5b 00:58:00 01:02:00
23.K7h-8g 00:59:00 01:02:00
24.P4c-4d 00:59:00 01:12:00
25.S7i-7h 00:59:00 01:12:00
26.S4b-4c 00:59:00 01:13:00
27.P3g-3f 01:11:00 01:13:00
28.P7c-7d 01:11:00 01:22:00
29.S5g-6f 01:12:00 01:22:00
30.G5b-6c 01:12:00 01:37:00
31.B8h-7i 01:15:00 01:37:00
32.R3b-2b 01:15:00 01:37:00
33.S6f-7g 01:22:00 01:37:00
34.P6d-6e 01:22:00 01:40:00
35.P6g-6f 01:29:00 01:40:00
36.P6ex6f 01:29:00 01:41:00
37.G5h-5g 01:29:00 01:41:00
38.N8a-7c 01:29:00 01:44:00
39.G5gx6f 01:29:00 01:44:00
40.P*6e 01:29:00 01:46:00
41.G6f-6g 01:29:00 01:46:00
42.P8c-8d 01:29:00 01:49:00
43.B7i-4f 01:36:00 01:49:00
44.P4d-4e 01:36:00 02:17:00
45.B4f-3g 01:37:00 02:17:00
46.P5c-5d 01:37:00 02:18:00
47.P*6f 01:54:00 02:18:00
48.P6ex6f 01:54:00 02:19:00
49.G6gx6f 01:55:00 02:19:00
50.S4c-4d 01:55:00 02:19:00
51.P7f-7e 02:25:00 02:19:00
52.P5d-5e 02:25:00 02:28:00
53.P5fx5e 02:34:00 02:28:00
54.S7b-8c 02:34:00 02:43:00
55.P7ex7d 02:38:00 02:43:00
56.S8cx7d 02:38:00 02:43:00
57.P*7e 02:38:00 02:43:00
58.S7d-8c 02:38:00 02:43:00
59.S7g-7f 02:41:00 02:43:00
60.P4e-4f 02:41:00 03:05:00
61.P4gx4f 02:52:00 03:05:00
62.P*6e 02:52:00 03:17:00
63.G6f-5f 03:05:00 03:17:00
64.S4dx5e 03:05:00 03:17:00
65.G5fx5e 03:05:00 03:17:00
66.B3cx5e 03:05:00 03:17:00
67.N8i-7g 03:05:00 03:17:00
68.G*6d 03:05:00 03:22:00
69.R2h-5h 03:15:00 03:22:00
70.P*5g 03:15:00 03:30:00
71.R5hx5g 03:15:00 03:30:00
72.B5e-6f 03:15:00 03:30:00
73.R5g-5i 03:16:00 03:30:00
74.P*7d 03:16:00 03:32:00
75.P4f-4e 03:18:00 03:32:00
76.P7dx7e 03:18:00 03:45:00
77.S7f-6g 03:19:00 03:45:00
78.R2b-7b 03:19:00 03:46:00
79.S6gx6f 03:35:00 03:46:00
80.P6ex6f 03:35:00 03:46:00
81.B*4c 03:35:00 03:46:00
82.G6a-7a 03:35:00 03:52:00
83.P*6h 03:37:00 03:52:00
84.N2a-3c 03:37:00 03:55:00
85.K8g-8h 03:42:00 03:55:00
86.P*5d 03:42:00 04:01:00
87.S*8g 03:43:00 04:01:00
88.N3cx4e 03:43:00 04:01:00
89.B3gx6d 03:57:00 04:01:00
90.G6cx6d 03:57:00 04:01:00
91.R5ix5d 03:57:00 04:01:00
92.G6dx5d 03:57:00 04:05:00
93.B4cx5d+ 03:57:00 04:05:00
94.P6f-6g+ 03:57:00 04:15:00
95.P6hx6g 04:04:00 04:15:00
96.N4e-5g= 04:04:00 04:16:00
97.G6i-7i 04:04:00 04:16:00
98.R*5i 04:04:00 04:16:00
99.G*6c 04:11:00 04:16:00
100.B*4f 04:11:00 04:25:00
This threatens Rx7i+ Kx7i N6i+ and mate, so black has to defend.
101.G*8i 04:24:00 04:25:00
102.N5g-6i+? 04:24:00 04:30:00
Watanabe had feared 102.Bx1i+. The white position is vulnerable, but there is
no good way for black to get the pieces in hand he needs to give the attack
decisive strength. Furthermore, if white can play +Bx2i next, the promoted bishop
defends the important weaknesses on 7d and 8c.
103.G6cx7b 04:26:00 04:30:00
104.S8cx7b 04:26:00 04:30:00
105.+B5dx7b 04:26:00 04:30:00
106.G7ax7b 04:26:00 04:30:00
107.G7ix6i 04:26:00 04:30:00
108.R5ix2i+ 04:26:00 04:30:00
109.S*6a 04:30:00 04:30:00
Now the white king is also in a lot of danger. At this point, nobody had any idea
how this game would end.
110.N*7f 04:30:00 04:32:00
111.K8h-9g 04:37:00 04:32:00
112.+R2ix6i 04:37:00 04:48:00
113.N*7d 04:46:00 04:48:00
114.K8b-9c 04:46:00 04:48:00
115.S6ax7b= 04:46:00 04:48:00
116.B*7i 04:46:00 04:48:00
117.G*8h 04:47:00 04:48:00
118.G*9b 04:47:00 04:48:00
119.S7hx6i 04:50:00 04:48:00
120.N7fx8h+ 04:50:00 04:51:00
121.G8ix8h 04:50:00 04:51:00
This threatens mate with R*8c Gx8c Sx8c+ Kx8c R*8b K7d N*6f etc. This seems hard to
defend, but Habu finds a magical way.
122.S*6f!! 04:50:00 04:55:00
Defends against the mating threat (N*6f is no longer possible) and threatens mate
himself after Bx8h+ Kx8h Sx7g+ etc.
123.P6gx6f 04:57:00 04:55:00
Now black is not threatening mate anymore. Watanabe is fortunate that the extra move
that white gets is not decisive.
124.G*8i 04:57:00 04:55:00
125.R*7h 04:57:00 04:55:00
126.G8ix8h 04:57:00 04:55:00
127.R7hx8h 04:57:00 04:55:00
128.G*8i 04:57:00 04:55:00
129.G*7h 04:57:00 04:55:00
130.G8ix8h 04:57:00 04:55:00
131.G7hx8h 04:57:00 04:55:00
132.G*8i 04:57:00 04:56:00
133.G*7h 04:57:00 04:56:00
134.G8ix8h 04:57:00 04:56:00
135.G7hx8h 04:57:00 04:56:00
136.G*8i 04:57:00 04:56:00
137.G*7h 04:57:00 04:56:00
138.G8ix8h 04:57:00 04:56:00
139.G7hx8h 04:57:00 04:56:00
140.G*8i 04:57:00 04:56:00
141.G*7h 04:57:00 04:56:00
142.G8ix8h 04:57:00 04:56:00
Sennichite 04:57:00 04:56:00
The white attack is not strong enough, so the game ends in sennichite at 22:09 in
the evening. After a 30 minute break, the replay starts with reversed colors.