(2020) Ikeda - Kawachi
Kenkyukai, 23-02-2017


1.32-28 18-22 2.34-30 12-18 3.38-32 7-12 4.42-38 1-7 5.47-42 20-25 6.40-34 15-20 7.44-40 10-15 8.50-44 5-10
[ 8...20-24














Computer recommends 20-24.

]
9.31-26
[ 9.30-24














Computer recommends 30-24. Field 24 should be a point at this moment.

19x30 10.35x24 20x29 11.34x23 18x29 12.33x24 22x33 13.38x29












]
9...20-24 10.37-31
[ >10.28-23 18x29 11.34x23 25x34 12.40x20 15x24 13.44-40 19x28 14.32x23 10-15 15.39-34 22-27 16.43-39 27-31 17.36x27 17-21 18.26x17 12x43 19.49x38 7-12 20.48-43 (-0.06;-0.45/13) ]
10...15-20














White short wing is locked. Computer estimates -0.42. Black has some advantage.

11.31-27
[ 11.32-27














Computer recommends 32-27. It seems 'chain lock'.

17-21














Black should move 17-21.

12.28x17 21x32 13.38x27 12x32 14.33-29 24x33 15.39x37














White formation is not good. Black has some advantage.(-0.41)

10-15 16.44-39 20-24












]
11...22x31 12.26x37 18-23














Good move.
White doesn't have much options.

13.36-31 12-18 14.41-36 8-12 15.31-26 2-8 16.37-31 10-15 17.46-41














Black had a good move.


[ >17.31-27 17-21 18.26x17 11x31 19.36x27 7-11 20.46-41 11-17 (-0.67;-1.01/12) ]
17...4-10
[ >17...24-29














This is it.

18.33x24 20x29














Black's aim is a shot of 29-33 and 17-21. It is difficult for white to defend the shot. This pattern is very important.

19.30-24 29x20 20.38-33 23-29 21.33x24 20x29 22.34x23 18x29 23.40-34 29x40 24.45x34 14-20 25.31-27 20-24 26.43-38 17-21 27.26x17 11x33 28.38x20 15x24 (-1.01;-0.49/11) ]
18.41-37 18-22 19.31-27
[ >19.33-29 22x33 20.29x18 13x22 21.38x29 24x33 22.39x28 22x33 23.43-38 12-18 24.38x29 20-24 25.29x20 15x24 26.49-43 10-15 27.44-39 18-23 (-0.38;-0.91/13) ]
19...22x31 20.36x27












17-21 21.26x17 11x31 22.37x26 7-11 23.42-37 24-29















Black this move is late. White can break black formation.


[ >23...12-17












24.48-42 8-12 25.28-22 17x28 26.33x22 3-8 27.38-33 23-29 28.34x23 19x17 29.30x19 13x24 30.42-38 24-29 31.33x24 20x29 32.39-33 25-30 33.35x24 29x20 34.44-39 (-0.94;0.00/12) ]
24.33x24 20x29 25.28-22
[ >25.30-24












29x20 26.34-30 25x34 27.40x7 11x2 28.37-31 19-23 29.28x19 14x23 30.38-33 13-19 31.31-27 8-13 32.33-29 23x34 33.39x30 19-23 34.44-39 (0.00;-0.40/11) ]
25...12-17 26.32-27
[ >26.22-18 13x22 27.39-33 9-13 28.33x24 3-9 29.37-31 8-12 30.32-27 22-28 31.34-29 23x34 32.30x39 19x30 33.35x24 28-32 34.27-22 17x28 35.38x27 (-0.39;-1.37/12) ]
26...17x28 27.37-32
[ >27.30-24 29x20 28.37-31 13-18 29.38-33 9-13 30.33x22 8-12 31.34-29 23x34 32.40x29 3-8 33.48-42 12-17 34.42-38 17x28 35.38-33 16-21 36.27x7 8-12 37.33x22 18x36 38.7x9 14x3 (-1.37;-2.00/11) ]
27...28x37 28.38-33 29x38 29.43x41 23-29 30.34x23 25x43 31.49x38 19x28 32.41-37














White gave up.

0-2