EVENT WHITE Mark Hall BLACK Richard Granville RESULT W+13 BOARDSIZE 19 DATE October 1981 PLACE Wessex round 4 KOMI 5.5 SOURCE BGJ 55 page 24 COM Copyright British Go Association 1981, 2002 Black Rank: 1dan Write Rank: 3dan ENDCOM B 1 R16 W 2 D17 B 3 Q3 W 4 C4 B 5 E3 W 6 P16 B 7 D15 W 8 Q5 B 9 R7 W 10 P6 B 11 N3 W 12 R3 B 13 R4 W 14 Q4 B 15 R5 W 16 P3 B 17 Q2 W 18 R6 B 19 S6 W 20 Q6 COM White 18 - Black 21: I think it is better to omit this exchange, since white loses the possibility of a ko later on. (R) The ko arises if white plays 20 one line higher, after the exchange to 24. Then if black extends 9 along the third line white can pull out his dead stone 12 in the corner (E). ENDCOM B 21 S4 W 22 O3 B 23 R2 W 24 N4 B 25 J3 COM Black 25: This move is OK but black should expect white to invade in the middle of the extension immediately. (E) ENDCOM W 26 D12 B 27 G16 W 28 E15 B 29 E14 W 30 F15 B 31 D16 W 32 E16 B 33 C17 W 34 C18 B 35 E17 W 36 D18 B 37 F17 W 38 D14 B 39 C14 W 40 D13 B 41 B17 W 42 B18 B 43 B15 W 44 C16 COM White 34: This move is hamete. Doubtless I would have fallen into the trap had I not done so already at Linz! (R) ENDCOM B 45 C15 W 46 A17 B 47 B16 W 48 G15 B 49 E18 W 50 H16 B 51 H17 W 52 J17 B 53 J16 COM Black 53: A small mistake - Black should simply play 55. If White replies with 56, then the cut at 54 looks better than 53; if white 53 instead, then black 57 moves out slightly faster along the side. (E) ENDCOM W 54 H15 B 55 J18 W 56 K17 B 57 K18 W 58 L17 B 59 L18 W 60 B13 B 61 A16 W 62 M17 COM White 62: This is a reasonable result for White as black’s corner is about 25 points and white can start a multi step ko by playing on the corner point. (E) ENDCOM B 63 Q14 MARK A@D5 COM Black 63: Awful - A is the only move. White cannot achieve a great deal in the top right. (R) ENDCOM W 64 E5 B 65 F4 MARK A@D5 B@C3 C@G2 COM Black 65: A bad exchange for 66. Black should reduce the left side (where?). If White invades at 69, Black can handle the situation with moves such as B and C. (R) ENDCOM W 66 F5 B 67 O14 W 68 G4 B 69 G3 W 70 H4 B 71 H3 W 72 K5 B 73 J10 COM Black 73: Too deep. It is important for both players to count the game before this kind of play. Black would discover that a shallower invasion was sufficient, and White would discover that it was necessary to capture 73 by replying with 91. Therefore... ENDCOM W 74 G10 COM White 74: Too slow, He must play 9l and try to capture 73. Eventually 73 did die, but more by Black’s efforts than White’s. (E) ENDCOM B 75 H12 W 76 H11 B 77 J11 W 78 G12 B 79 Q9 W 80 M14 B 81 M13 W 82 L14 B 83 N13 W 84 N9 COM White 84: It should be clear that White has to cut off Black’s centre stones to win. The next few moves show White successfully persuading Black to let this happen. (E) ENDCOM B 85 J8 W 86 G8 B 87 O10 W 88 K12 B 89 J12 COM Black 89: Rash. ENDCOM W 90 L11 B 91 L10 W 92 M10 B 93 M11 W 94 M12 B 95 N11 W 96 L9 B 97 K10 W 98 L13 B 99 M8 W 100 M9 B 101 L8 COM Black 101: Very slow, By now Black needs something more imaginative. (E) ENDCOM W 102 N8 B 103 N7 W 104 O7 B 105 M6 W 106 K9 B 107 J9 W 108 P9 B 109 M4 W 110 K8 B 111 K7 W 112 L7 B 113 J5 W 114 J6 B 115 H6 W 116 J7 B 117 H7 W 118 K6 B 119 J4 W 120 H8 B 121 G5 W 122 F7 B 123 P10 COM White wins by 13 ENDCOM