(2137) Kawachi - Ikeda
Kenkyukai, 13-04-2016


1.34-29 19-24 2.40-34 14-19 3.44-40 19-23 4.50-44 10-14 5.32-28 23x32 6.37x28 17-22 7.28x17 12x21 8.34-30 4-10 9.30x19 14x34 10.39x30 7-12 11.41-37 20-25 12.44-39
[ 12.37-32













Computer recommends 37-32.

25x34 13.40x29












]
12...25x34 13.39x30 10-14 14.31-26
[
White could move 37-32. When black moves 26-21..

14.37-32












21-26 15.32-28 26x37 16.42x31














Good developed. ( But not tight. It seems difficult to make tight white pieces.)

]
14...5-10 15.26x17 11x22 16.46-41 14-19 17.37-32 10-14 18.32-28?














Not good. White lost tempi. 41-37 is better.

1-7 19.28x17 12x21 20.41-37 7-12 21.40-34? 6-11 22.45-40!? 11-17
[ 22...14-20














14-20 is also possible.

23.30-25 (23.34-29












19-24 24.30x19 13x24;












23.43-39 19-23)












23...19-24 24.25x14 9x20












]
23.37-32?














When white move 37, 37-31 is better than 37-32. Because black can get 27 with exchange of 21-27 when 37-32.

18-22?

14-20 is better. Black can attack bad shape of white right wing.

24.43-39?
[ 24.34-29 Moving to 24 is good. 14-20 25.30-24 19x30 26.35x24












]
24...12-18
[ >24...19-23












Black can control the center. 25.48-43 21-27 26.32x21 17x26 27.42-37 14-20 28.30-25 16-21 29.25x14 9x20 30.35-30 13-19 31.30-25 8-13 32.25x14 19x10 (-0.13;-0.01/12) ]
25.48-43 34-29 is better. 8-12 26.32-28 21-26 27.34-29 26-31? 28.36x27 22x31












+0.10. White got some advantage because black exchange in white left wing. Whie can get 24 in his right wing. 29.38-32
[ 29.30-24












19x30 30.35x24 ]
29...2-8 30.43-38 17-22 31.28x17 12x21 32.32-28 21-26 33.30-24 19x30 34.35x24 16-21 35.38-32 18-22 Not good. Black lost two tempi. 36.28x17 21x12 37.33-28 12-18
[ >37...12-17 38.40-35 8-12 39.39-33 (0.13;0.25/12) ]
38.39-33 +0.25 31-36 39.49-43 8-12 40.43-38 12-17 41.28-23 17-21 42.23x12 21-27 43.32x21 26x8 44.38-32 8-12 45.33-28
[ >45.32-27 12-17 46.33-28 14-20 47.42-38 13-18 48.29-23 18x29 49.24x33 3-8 50.40-35 20-24 51.27-22 17-21 52.28-23 (0.45;0.27/13) ]
45...13-18
[ >45...14-19 46.40-35 19x30 47.35x24 12-18 48.42-38 9-14 49.38-33 3-8 50.28-23 36-41 51.23x3 41-46 52.3x25 46x45 53.33-28 45-40 54.25-30 (0.27;0.60/13) ]
46.32-27 12-17 47.40-35
[ >47.42-37












14-20 48.29-23 18x29 49.24x33 20-25 50.40-35 3-8 (0.57;0.28/12) ]
47...3-8
[ >47...9-13 48.28-23 36-41 49.23x21 41-46 50.29-23 46x30 51.35x24 14-19 52.21-17 19x30 53.17-11 30-35 54.11-6 35-40 55.6-1 (0.28;0.54/12) ]
48.28-23 18-22 49.27x18 8-13 50.35-30 13x22 51.24-19
[ >51.42-37












You must think deeply in the endgame. 17-21 52.30-25 21-26 53.23-18! 22x13 54.29-23












]
51...17-21 52.19x10 15x4 53.30-24
[ >53.42-37 9-14 54.29-24 21-26












(0.31;0.15/15)
Notice that white can defend in his left wing.

]
53...21-26
[ >53...21-27 54.24-19 9-14 55.19x10 4x15 56.23-19 27-31 57.19-13 22-28 58.13-8 28-32 59.8-2 32-37 60.42-38 37-41 61.2-30 15-20 62.30-48 20-24 63.29x20 41-46 64.48x26 46-5 65.47-42 (0.15;0.38/14) ]
54.24-19
[ >54.42-37 26-31 55.37x26 22-27 56.24-19 27-32 57.19-13 9x18 58.23x12 32-38 59.29-23 38-43 60.12-7 43-49 61.7-1 49-16 62.23-18 16-2 (0.38;0.24/15) ]
54...26-31 55.19-13 9x18 56.23x12 22-27 57.12-7
[ >57.12-8 27-32 58.8-3 32-37 59.42-38 37-41 60.3-26 41-46 61.26x42 4-10 62.38-33 10-15 63.42-38 15-20 64.38-27 20-24 65.29x20 46-5 (0.18;0.04/12) ]
57...27-32 58.7-2 32-37 59.42-38 37-41 60.2-19 41-46 61.29-23 36-41 62.47x27 46-32
1-1