Game point match, Score is robin swaffield: 7, andy darby: 5 42: 8/4 6/4 31: 8/5 6/5 51: 24/23 13/8

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1 Game 7 11 point match, Score is robin swaffield: 7, andy darby: 5 42: 8/4 6/4 XGID=-b----E-C---eE---c-e----B-:0:0:-1:42:7:5:0:11:10 Pip= Book 1 8/4 6/4 eq: % (G:16.33% B:0.68%) 46.36% (G:11.76% B:0.55%) 31: 8/5 6/5 XGID=-b----E-C---eE---b-d-b--B-:0:0:1:31:7:5:0:11:10 Pip= ply 8/5 6/5 eq: % (G:13.69% B:0.62%) 50.96% (G:15.06% B:0.76%) 51: 24/23 13/8

2 XGID=-b---BD-B---eE---b-d-b--B-:0:0:-1:51:7:5:0:11:10 Pip= ply 24/23 13/8 eq: % (G:14.28% B:0.66%) 50.97% (G:14.44% B:0.60%) 54: 24/20 13/8 XGID=-aa--BD-B---dE---c-d-b--B-:0:0:1:54:7:5:0:11:10 Pip= ply 24/20 13/8 eq: % (G:13.24% B:0.54%) 49.01% (G:14.21% B:0.51%) 61: 13/7 8/7

3 XGID=-aa--BD-C---dD---c-dAb--A-:0:0:-1:61:7:5:0:11:10 Pip= ply 13/7 8/7 eq: % (G:12.64% B:0.46%) 52.45% (G:14.86% B:0.60%) 52: 20/13 XGID=-aa--BD-C---cD---bbdAb--A-:0:0:1:52:7:5:0:11:10 Pip= ply 20/13 eq: % (G:11.45% B:0.41%) 51.72% (G:15.19% B:0.42%) 31: 8/5 6/5

4 XGID=-aa--BD-C---cE---bbd-b--A-:0:0:-1:31:7:5:0:11:10 Pip= ply 8/5 6/5 eq: % (G:17.97% B:0.49%) 46.28% (G:11.82% B:0.51%) 22: 13/11(2) 6/4(2) XGID=-aa--BD-C---cE---abcbb--A-:0:0:1:22:7:5:0:11:10 Pip= ply 13/11(2) 6/4(2) eq: % (G:14.28% B:0.65%) 46.76% (G:14.30% B:0.40%) 2. 4-ply 24/22 13/11 6/4(2) eq: (-0.065) 52.94% (G:13.84% B:0.75%) 47.06% (G:17.95% B:0.49%) Move one of the spares on the midpoint to the 5 point makes stepping up with the back man correct for two reasons. White would now have a race lead and unstacking the midpoint would now leave it stripped. 43: 13/9 8/5

5 XGID=-aa-BBB-C--BcC---abcbb--A-:0:0:-1:43:7:5:0:11:10 Pip= ply 13/9 8/5 eq: % (G:13.10% B:0.34%) 58.39% (G:16.63% B:0.84%) 51: 24/23 13/8 XGID=-aa-BBB-C--BbC--a-bccb--A-:0:0:1:51:7:5:0:11:10 Pip= ply 24/23 13/8 eq: % (G:14.07% B:0.75%) 45.69% (G:16.64% B:0.32%) 66: 13/1(2)

6 XGID=-aa-BBB-D--BbB--a-bccb-A--:0:0:-1:66:7:5:0:11:10 Pip= ply 13/1(2) eq: % (G:14.15% B:0.15%) 64.02% (G:14.47% B:0.77%) Boxes was not a good roll once Robin had stepped up, and Robin is now a clear favourite. 64: 23/13 XGID=-aa-BBB-D--B-B--a-bccb-Ab-:0:0:1:64:7:5:0:11:10 Pip= ply 23/13 eq: % (G:9.26% B:0.28%) 29.20% (G:3.91% B:0.03%) 2. 4-ply 13/7 11/7 eq: (-0.002) 73.03% (G:18.39% B:1.05%) 26.97% (G:10.41% B:0.23%) And this splendid roll puts him firmly in the driver s seat. Rollouts show Robin s play to be clearly correct. 52: 24/22 9/4

7 XGID=-aa-BBB-D--B-C--a-bccb--b-:0:0:-1:52:7:5:0:11:10 Pip= XG Roller++ 24/22 7/2 eq: % (G:4.30% B:0.03%) 72.56% (G:11.60% B:0.48%) 2. XG Roller++ 24/22 9/4 eq: % (G:3.85% B:0.03%) 73.03% (G:10.50% B:0.30%) 3. 4-ply 24/22 23/18 eq: % (G:4.23% B:0.05%) 73.24% (G:13.20% B:0.45%) 4. 4-ply 23/16 eq: % (G:4.27% B:0.04%) 75.44% (G:10.89% B:0.33%) 5. 4-ply 24/22 6/1 eq: % (G:3.51% B:0.03%) 74.64% (G:12.18% B:0.43%) No double XGID=--aaBBB-D--B-C----bccc--b-:0:0:1:00:7:5:0:11:10 Pip= Analyzed in XG Roller++ No double Double/Take Player Winning Chances: 72.96% (G:10.48% B:0.29%) 73.34% (G:10.53% B:0.32%) Opponent Winning Chances: 27.04% (G:3.83% B:0.04%) 26.66% (G:3.65% B:0.03%) Cubeless Equities Cubeful Equities No double: (-0.122) Double/Take: (+0.067)

8 Double/Pass: Best Cube action: Double / Pass No cube from Robin, but he should have recognised this as a double. Whilst down in the race, attacking and priming options give a lot of good sequences for White. It s a clear double/take for money and the fact that 4 points from any gammon make him gin means that it is a pass. Scores of 8-5 or 6-5 also give Andy a pass. 51: 8/3* 3/2* XGID=--aaBBB-D--B-C----bccc--b-:0:0:1:51:7:5:0:11:10 Pip= ply 8/3* 3/2* eq: % (G:14.26% B:0.43%) 30.44% (G:10.80% B:0.10%) 41: Bar/24 XGID=b-A-BBB-C--B-C----bccc--b-:0:0:-1:41:7:5:0:11:10 Pip= ply Bar/24 eq: % (G:5.82% B:0.08%) 76.03% (G:14.76% B:0.48%)

9 No double XGID=aaA-BBB-C--B-C----bccc--b-:0:0:1:00:7:5:0:11:10 Pip= Analyzed in XG Roller++ No double Double/Take Player Winning Chances: 76.37% (G:16.23% B:0.50%) 76.62% (G:17.26% B:0.53%) Opponent Winning Chances: 23.63% (G:5.87% B:0.08%) 23.38% (G:6.12% B:0.09%) Cubeless Equities Cubeful Equities No double: (-0.111) Double/Take: (+0.323) Double/Pass: Best Cube action: Double / Pass battery died - missed a couple of moves Again, Robin is not alert to the cube action. Not only were the players getting tired, at this juncture my battery died, and we rejoin it a couple of moves later with the cube still in the middle, Robin has now become too good and has a 21 to play. 21: 11/10 8/6

10 XGID=aaC-BBB-CB-A bccbab-:0:0:1:21:7:5:0:11:10 Pip= ply 11/10 8/6 eq: % (G:18.17% B:0.57%) 16.76% (G:1.83% B:0.07%) 2. 4-ply 8/5 eq: (-0.010) 82.63% (G:18.37% B:0.60%) 17.37% (G:1.85% B:0.07%) 3. 4-ply 9/7 8/7 eq: (-0.015) 84.22% (G:18.36% B:0.60%) 15.78% (G:1.70% B:0.05%) No need to leave any shots. 44: Cannot Move 65: 9/3 8/3 XGID=aaC-BBC-BBA bccbab-:0:0:1:65:7:5:0:11:10 Pip= ply 9/3 8/3 eq: % (G:27.63% B:0.76%) 9.81% (G:0.93% B:0.01%) 33: Cannot Move

11 41: 8/4 6/5 XGID=aaCBBBC-AAA bccbab-:0:0:1:41:7:5:0:11:10 Pip= XG Roller++ 9/5 2/1* eq: % (G:40.12% B:1.61%) 12.34% (G:2.49% B:0.12%) 2. XG Roller++ 8/4 6/5 eq: (-0.051) 91.17% (G:30.09% B:0.96%) 8.83% (G:0.71% B:0.03%) 3. 4-ply 8/4 2/1* eq: (-0.017) 87.19% (G:39.10% B:1.45%) 12.81% (G:2.27% B:0.17%) 4. 4-ply 10/6 2/1* eq: (-0.021) 86.68% (G:38.57% B:1.44%) 13.32% (G:2.02% B:0.16%) A quote I remember from Bill Robertie. when you have your opponent by the throat squeeze. What is Robin worried about? After a single 1 from the bar, he would still be too good to double. Even after a double 1, entering two and covering the blot he is still a favourite! After such a wimpy play he doesn t deserve a Gammon, let s see if he gets one. 43: 5/1* 4/1

12 XGID=aaCBCCB--AA bccbab-:0:0:1:43:7:5:0:11:10 Pip= ply 5/1* 4/1 eq: % (G:39.64% B:0.93%) 5.49% (G:0.00% B:0.00%) : Cannot Move Gammons are about 40% with two on the bar and your opponent having a decent board. With a crunched board the Gammoner can bear off more aggressively and get closer to 50% gammons. 64: 10/4 9/5 XGID=bBCBBBB--AA bccbab-:0:0:1:64:7:5:0:11:10 Pip= ply 10/4 9/5 eq: % (G:40.31% B:0.99%) 5.07% (G:0.00% B:0.00%) : Cannot Move 54: 5/Off 4/Off XGID=bBCBCCB bccbab-:0:0:1:54:7:5:0:11:10 Pip=53-99

13 1. 3-ply 5/Off 4/Off eq: % (G:45.23% B:1.24%) 4.05% (G:0.00% B:0.00%) : Cannot Move 22: 6/4 6/Off XGID=bBCBBBB bccbab-:0:0:1:22:7:5:0:11:10 Pip= ply 6/4 6/Off eq: % (G:46.31% B:1.51%) 4.80% (G:0.00% B:0.00%) It is correct to run a very slight risk of being hit, in order to bear off. 64: Bar/19 XGID=bBCBCB bccbab-:0:0:-1:64:7:5:0:11:10 Pip= ply Bar/19 eq: % (G:0.00% B:0.00%) 96.39% (G:32.49% B:0.33%) 64: 5/1 5/Off

14 XGID=aBCBCBa bccbab-:0:0:1:64:7:5:0:11:10 Pip= ply 5/1 5/Off eq: % (G:27.80% B:0.17%) 3.80% (G:0.00% B:0.00%) 61: Bar/18 XGID=aCCBC-a bccbab-:0:0:-1:61:7:5:0:11:10 Pip= ply Bar/18 eq: % (G:0.00% B:0.00%) % (G:19.54% B:0.00%) 52: 4/Off 2/Off

15 XGID=-CCBC-aa bccbab-:0:0:1:52:7:5:0:11:10 Pip= ply 4/Off 2/Off eq: % (G:15.50% B:0.00%) 0.02% (G:0.00% B:0.00%) 53: 19/11 XGID=-CBBB-aa bccbab-:0:0:-1:53:7:5:0:11:10 Pip= ply 19/11 eq: % (G:0.00% B:0.00%) % (G:12.79% B:0.00%) 22: 4/Off 2/Off(2)

16 XGID=-CBBB--a------a----bccbab-:0:0:1:22:7:5:0:11:10 Pip= ply 4/Off 2/Off(2) eq: % (G:24.03% B:0.00%) 0.02% (G:0.00% B:0.00%) 64: 18/8 XGID=-C-BA--a------a----bccbab-:0:0:-1:64:7:5:0:11:10 Pip= XG Roller++ 18/12 11/7 eq: % (G:0.00% B:0.00%) % (G:14.49% B:0.00%) 2. XG Roller++ 18/8 eq: (-0.003) 0.00% (G:0.00% B:0.00%) % (G:14.74% B:0.00%) 55: 4/Off 3/Off(2) 1/Off

17 XGID=-C-BA a--a-bccbab-:0:0:1:55:7:5:0:11:10 Pip= ply 4/Off 3/Off(2) 1/Off eq: % (G:88.89% B:0.00%) 0.00% (G:0.00% B:0.00%) A joker from Robin resurrects his gammons. Looks like he will get the Gammon he didn t deserve. Only double 3 or better can save Andy 55:???? Justice in Backgammon? Surely not Resigns a Single Game 1pt. Game Summary: robin swaffield Category andy darby Expert ( ) Total Error World Champ. ( ) World Champ. ( ) Checker Play World Champ. ( ) Intermediate ( ) Cube Play NA 5.92 Performance Rating Move Errors (-0.34%) Equity lost (cost) (-0.02%) 2(2) Double Errors (-1.56%) Equity lost (cost) Take Errors Equity lost (cost) (2) Total Error 0

18 -0.284(-1.90%) Equity lost (cost) (-0.02%) 4 Jokers (+9.93%) Luck (-9.93%)

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