Join Bridge Winners
NABC Online Individual - Day 1
(Page of 13)

After having played the practice individuals I thought that mostly good bridge would let me score somewhere in the 65-70% range without needing much crazy, so that was my plan for the NABC individual this time.  I was playing from Toronto shortly past midnight each night, and I'll go through the 4 session looking at the more extreme hands (both good and bad). I'm sharing the more extreme hands, rather than all of the hands, to help make it easier to write and read the article and under the assumption that "weird" actions that work would be in the top 25% of scores and "weird" actions that don't work would be in the bottom 25% (but so are many "normal" hands as well), so it should be clear that the missing hands are more down the middle bridge than this set, even if this set is mostly down the middle.

 

Here are the individual hands I played in the first individual session that scored at or above 75% or at or below 25% in the robot individual.  I mostly felt like I was playing "normal" bridge, with much fewer of the "robot" plays that some of the other early previews had done (fewer, not none), and as many of the strange actions was driven by the "best hand" rules than just desire to throw sand in the eyes of the robots.  

 

First hand out of the box:

 

Robot
AQ85
J83
106
10875
Robot
J10
A10
Q95432
A94
Robot
K943
75
J87
K632
Mbodell
762
KQ9642
AK
QJ
W
N
E
S
P
P
1
P
1NT
P
2
P
3
P
4
P
P
P
D
1
4 South
NS: 0 EW: 0
10
2
7
A
3
1
0
2
3
A
5
1
2
0
10
7
K
J
3
3
0
Q
8
J
6
3
4
0
K
6
3
8
3
5
0
13 tricks claimed
N/S +510
5

With both red suits behaving this seemingly straightforward hand at my table scored 82% for 4+3.  

The traveller for the hand was:

4HS+3 10 510 82.00%

4HS+2 1 480 60.00%

4HS+1 1 450 56.00%

4HS= 3 420 48.00%

1NN+6 1 270 40.00%

3HS+4 2 260 34.00%

3HS+1 1 170 28.00%

4HS-1 7 -50 12.00%

 

So what was going wrong on the other hands?  First of all, if you bid 3 over 1NT instead of 2 you'd get a 4 cue bid, and then regardless of if you cue 4 or just bid 4 the robot gets off to the spade lead instead of the diamond lead, and now you aren't going to take all the tricks.  In addition, the computer switches to attack clubs and forces out the A and now many players try to pitch the third spade on the Q after cashing two rounds of hearts and suffer the ruff for down one when West has the 3rd heart.  So is 3 or 2 over 1NT the right bid.  2 is described as 12-16 total points and 3 as 16-18 total points.  We have 15 HCP and a 6322 shape, so that might be 17 total points for the 2 doubleton points; however, the QJ tight certainly isn't worth a full 4 total points and AK tight of diamonds might not be the best 8 total points either, so 2 at matchpoints seemed better to me.  It probably could have gone either way, but if you always went aggressive with robots you'd probably choose 3, but this time the more conservative bid was rewarded this time.

Second hand involved slam bidding with the robots, and did involve me bidding NT with the stiff K, here 2NT with the 20 count 3154 hand that was not a robot special as I may well do this with a human player too:

Robot
8653
J85
75
Q842
Robot
109
AQ9642
KQ2
65
Robot
QJ74
1073
864
K103
Mbodell
AK2
K
AJ1093
AJ97
W
N
E
S
 
P
2N
P
4
P
4
P
4N
P
5
P
5N
P
7N
P
P
P
D
2
7NT South
NS: 0 EW: 0
3
10
J
A
3
1
0
K
5
2
3
3
2
0
3
5
K
8
1
3
0
A
7
7
8
1
4
0
Q
10
9
J
1
5
0
13 tricks claimed
N/S +2220
5

At my table partner transfered me and bid blackwood showing 12+ total points, and then confirms all the keycards and the Q of hearts.  With that much strength I took the risk that there would be 13 tricks in NT.  I knew that if partner has AQxxxx (and an outside entry) opposite my K that we'd have 6 heart tricks a little over a third of the time, plus some of the time we might have the T or 9 and have the higher cards on the short side (I.e., AQTxxx with J in the 2 of a 4-2).  In addition 40% of the time my partner has the J, in which case we have 6 tricks 95+% of the time (3-3, 4-2, plus the 1/3 of the time we have the T, etc.).  Plus, some amount of the time my partner has 7 hearts.  So overall I think hearts run somewhere between 2/3 and 3/4 of the time.  With partner having 12+ total points, of which at most 7 are in hearts odds are very good my partner has at least 1 if not more of the Q, K, and K which would be the outside entry plus points.  While I could be stuck, my hope was there would be enough outside tricks to come to 13 some of the time directly, and some of the time I might have to rely on a finesse or squeeze - possibly after playing for the drop in one suit.

We hit the worst possible heart holding and near the minimum points for partner, but because they are the diamond KQ and because hearts were 3-3 there are indeed 13 top tricks (14 actually).  So a little lucky in the end.

7NT= was worth 98.08%.

The traveller for the hand was:

7NS= 2 2220 98.08%

7HS= 1 2210 92.31%

7DS= 3 2140 84.62%

6NS+1 2 1470 75.00%

6HN+1 5 1460 61.54%

6DS+1 2 1390 48.08%

6DS= 3 1370 38.46%

3NS+4 7 720 19.23%

4HN+3 1 710 3.85%

6NS-3 1 -300 0.00%

There were people who bid the same as I did up to 5nt and then if you pick 6 the computer chooses 7, if you choose 6nt or 7nt you play it there.  Some started 1 and then rebid 2nt, these people usually ended up in 6.  Some started 1 and then made a jump shift to 3 and the computer then choose 6 for them.  The 7 people started with a strong 2 and over the 2 positive from the computer when they bid 3 the computer responds 7.  The most common contract was after the auction 1-1-3NT all pass.

Third hand was flat board, but the 4th hand brought some different scores, depending on if you think a 12 HCP opposite a partner's opening bid is worth driving to game or not:

Robot
Q876
1098532
AQ
6
Robot
J3
K76
986
AKJ109
Robot
K105
J4
KJ52
7432
Mbodell
A942
AQ
10743
Q85
W
N
E
S
P
1
P
1
P
1NT
P
3NT
P
P
P
D
4
3NT North
NS: 0 EW: 0
2
5
6
K
1
1
0
8
5
3
Q
0
1
1
6
3
10
A
3
2
1
A
3
6
4
3
3
1
Q
5
7
J
3
4
1
Q
7
A
3
1
5
1
K
2
8
8
1
6
1
10
7
4
9
1
7
1
9
4
7
10
1
8
1
J
5
10
8
1
9
1
J
K
2
Q
2
9
2
K
4
A
6
0
9
3
2
9
J
9
0
9
4
N/S +600
13

I choose to raise the 1..1NT to 3.  If you invite with 2NT you get passed.  If you pass 1NT W balances in with 2 where you can then bid 2NT over that and play it there or double the 2 bid which ends up not going great for you.  With an obvious 9 top tricks in NT with not much prospects of more tricks or fewer ending up in 3NT is the winning spot for 78%.  

Here's the traveller:

3NS+1 1 630 100.00%

3NN= 10 600 78.00%

2NN+1 10 150 38.00%

2NN= 3 120 12.00%

2HWx= 1 -670 4.00%

2HWx+1 1 -870 0.00%

The one person with 10 tricks bid 1-3NT and got a spade lead to the T and A, and after cashing 9 tricks and exiting in diamonds in a point where both defenders have just 2 diamonds each, the spade Q was led smoothering the J but was then covered by the K unblocking and the 9 was now the 10th trick.

After another flattish board in 4H-1 and a good score not quite at our threshhold for 4=, we have board 7 and another shared top for being in the right game and making the rare overtrick.

Robot
1043
10863
AKQ5
84
Robot
KQ9
72
109843
K102
Robot
76
KQJ95
76
9763
Mbodell
AJ852
A4
J2
AQJ5
W
N
E
S
1
P
2
P
3
P
4
P
P
P
D
7
4 South
NS: 0 EW: 0
K
3
7
2
0
0
1
A
4
6
J
0
0
2
3
2
J
A
3
1
2
2
4
K
7
1
2
2
Q
6
5
3
1
3
2
8
7
A
5
3
4
2
J
10
9
5
3
5
2
5
4
10
6
1
6
2
9
3
8
Q
3
7
2
J
8
K
9
1
8
2
10
K
4
6
1
9
2
2
9
Q
10
3
10
2
A
8
7
Q
3
11
2
N/S +650
13

After cashing 2 top diamonds and switching to the heart, the 5th round diamond is a clear trick as long as the transportation of entries is maintained and the trumps behave and we have a 98% board.  

Here's the traveller:

4SS+1 2 650 98.00%

3NS+1 1 630 92.00%

4SS= 21 620 48.00%

2SS+2 1 170 4.00%

4SS-1 1 -100 0.00%

This might have been partially the benefit of the robot safe tactical bid at my table as my 3 bid is clearly not honest, but I had decided to bid 4 no matter what so was very low cost as compared to instead blasting the 4 that most did. This is a case where no worry about a tank 3 that you would with a human partner can help in a robot.  So at a lot of tables against the more book 1-2-4 auction after cashing one top they switch to which might have made it harder to arrange the overtrick (and switch to obviously sinks the 11 trick chances), but at my table they are planning on possibly getting 3 diamond tricks when they cash the second diamond, so they help me set up the suit to be ruffed good.

Board 8 was below average for playing a 50/50 game that makes in a partscore, then board 9 lets us try our skills at defense:

Robot
963
AK107
875
1043
Robot
J5
Q952
J1094
J98
Robot
KQ107
64
AQ63
Q65
Mbodell
A842
J83
K2
AK72
W
N
E
S
P
1
X
1
P
1
P
1NT
P
P
P
D
9
1NT West
NS: 0 EW: 0
8
5
K
3
3
1
0
A
4
9
6
3
2
0
2
10
J
Q
2
2
1
K
2
3
5
2
2
2
3
K
5
4
3
3
2
7
7
J
6
3
4
2
3
A
5
6
0
4
3
7
9
A
2
2
4
4
7
A
6
10
3
5
4
8
K
9
4
0
5
5
9
2
Q
4
2
5
6
10
8
8
J
2
5
7
Q
J
10
Q
2
5
8
E/W +120
13

We X the 1 RHO opening but when partner refuses to bid, we go quietly.  After partners club lead we need to attack hearts to hold opponent tight.  When we don't and instead setup the clubs and rise with the diamond K, we are now too late to knock out the hearts for partner.  Letting them take 8 tricks is the mode but still just a 24% board.

Here's the traveller:

1NW-1 2 100 98.00%

1NS= 2 90 90.00%

1NS-1 3 -50 80.00%

1NW= 3 -90 68.00%

1NS-2 3 -100 54.00%

3CS-2 1 -100 54.00%

2SE= 1 -110 44.00%

1NW+1 9 -120 24.00%

3CN-3 1 -150 4.00%

2DEx= 1 -180 0.00%

Obviously, some choose to bid 1NT instead of X since we do have a 15 count and Kx in diamonds, and going down white is better scoring.  The line given that set the opponents is the same auction and lead for us, but then ducking the first club, opponents attack spades and we win the first trick, cash 3 club tricks and switch to a heart. Then after winning 2 spades ending in W, they lead a diamond up and duck when N wins, but N leads the heart Q, and now declarer takes the diamond finesse into our stiff K and we cash the J for our 7th and setting trick.

Board 10 gives a competitive auction when we have 7 solid clubs:

Robot
873
3
Q9765
8762
Robot
J65
AK102
K1043
104
Robot
AQ104
QJ9654
A82
Mbodell
K92
87
J
AKQJ953
W
N
E
S
1
2
P
2NT
3
3NT
P
P
P
D
10
3NT North
NS: 0 EW: 0
6
8
3
2
3
1
0
3
2
10
4
1
2
0
5
A
2
3
2
2
1
A
J
5
3
2
2
2
2
9
Q
K
1
3
2
11 tricks claimed
N/S +660
5

Over the opponents heart opening, we try the simple club overcall and when partner shows a balanced invite with a heart stop, and opener shows a spade suit, we take the transfer to 3nt.  The opening heart lead is won cheaply, and we have an obvious 10 tricks, so the issue will be can we figure out an 11th trick.  Given the bidding by E I decide to take the spade finesse right away and when they rise with the A and cashes the diamond A the hand is over and we have an 82% board.

Here's the traveller:

3NN+2 10 660 82.00%

3NN+1 4 630 54.00%

5CS= 1 600 40.00%

3NN= 2 600 40.00%

3DW-2 1 200 32.00%

4CS= 1 130 28.00%

3DW-1 1 100 24.00%

5CS-1 2 -100 18.00%

5CS-2 2 -200 8.00%

4CSx-1 1 -200 8.00%

7DN-9 1 -900 0.00%

The movie for 10 tricks shows cashing the first 3 heart tricks then 7 club tricks and east gets the last 3 tricks easily.  The 9 trick movie shows the declarer choose to play tricky and win the first heart with the K and attack diamonds for unclear reasons.  4X might have been the top board if they made it (P-1-4-P-P-X) but after a heart lead and the bad news on the T the decision to cash the second top heart was not a winning one,

A string of 3 middling boards, including a 26% for letting the double dummy par 4 make when half the field was able to find a way to set it, led to board 14 a good board for getting to game instead of trying to penalize at the one level:

Robot
85
109765
J105
852
Robot
A10643
J84
AK876
Robot
J9
AQ32
92
AQ1096
Mbodell
KQ72
K
Q43
KJ743
W
N
E
S
 
1
1N
P
2
P
2
P
3
P
4
P
4N
P
5
P
5
P
P
P
D
14
5 South
NS: 0 EW: 0
J
6
2
Q
3
1
0
K
5
3
9
3
2
0
K
5
4
A
2
2
1
Q
2
7
8
3
3
1
Q
8
4
J
3
4
1
3
10
A
9
1
5
1
12 tricks claimed
N/S +480
6

This was again a NT with a stiff K that I might well have done with a human partner, although not as clear as the 2NT, since here we are a point light as well.  But with the 5 clubs, passing 1 wasn't attractive to me so 1NT seemed clear.  Partner has a confused slam drive blackwooding with a void but then signing off missing 2 key cards, and we miss the pretty reasonable slam that exactly 0 people bid, but still get 79.17%.

Here's the traveller:

4SS+3 1 510 100.00%

4SS+2 5 480 79.17%

4SN+2 2 480 79.17%

5SS+1 2 480 79.17%

4SS+1 5 450 50.00%

4SS= 1 420 37.50%

1CEx-2 8 300 18.75%

1CEx= 1 -140 0.00%

The most common choice was to pass my hand and over partners double to bid 2 which partner raises to 3 and we accept.  The top scorer choose to double 1, and partner cues and opener doubles the cue, we bid 2 and partner raises to 4 but now the club is the opening lead and that starts the pressure on East of keep hearts or clubs for which will be ruffed good, and when the run of diamonds they pitch to AQ tight of hearts the J of hearts is made good.

The next board sees us in 3NT after partner shows both minors and we show spade strength before signing off in NT but opponents never attack hearts.

Robot
K7543
K62
K74
74
Robot
9
A3
QJ1065
J10983
Robot
1086
QJ1094
98
KQ5
Mbodell
AQJ2
875
A32
A62
W
N
E
S
 
1N
P
2
P
2N
P
3
P
3
P
3N
P
P
P
D
15
3NT South
NS: 0 EW: 0
7
J
Q
A
3
1
0
6
4
9
K
2
1
1
10
A
3
9
3
2
1
2
4
10
5
1
3
1
8
4
5
2
1
4
1
3
Q
7
4
1
5
1
Q
9
2
K
0
5
2
K
A
J
8
1
6
2
5
8
A
7
3
7
2
3
7
10
10
1
8
2
J
8
2
5
1
9
2
6
6
J
6
1
10
2
3
9
Q
K
2
10
3
N/S +630
13

This might be the robots desire to avoid the underlead of the K as they attack clubs for me, and then when I put E in right away they decide there is more future in partner's spades than in their QJT9x of hearts with no outside entry, and now I am able to set up for 10 tricks even with the diamond K being offside.  A bit lucky the computers didn't defend this one better, but this is worth 90%.

Here's the traveller:

 

3NS+2 1 660 100.00%

3NS+1 4 630 90.00%

3NS= 3 600 76.00%

3DN+1 2 130 48.00%

4CS= 8 130 48.00%

3CS+1 1 130 48.00%

3DN= 2 110 22.00%

5CS-1 1 -100 16.00%

5CS-2 2 -200 8.00%

3NS-2 1 -200 8.00%

6DS-4 1 -400 0.00%

A lot of people choosing to play it in the minor, understandably enough, but 8 out of the 9 people in 3nt are rewarded with good boards.

After a 33% board for being in game down 2 with 15 other people we move to another board where we are on defense after partner opens a preempt, this one working out better for us:

Robot
A643
62
AQ83
A85
Robot
75
K87
KJ10976
96
Robot
QJ98
J1093
52
J74
Mbodell
K102
AQ54
4
KQ1032
W
N
E
S
2
P
P
2NT
P
P
P
D
17
2NT West
NS: 0 EW: 0
7
Q
2
6
2
0
1
J
K
A
5
0
0
2
4
7
9
10
3
1
2
4
A
7
2
0
1
3
2
K
3
4
1
2
3
9
J
Q
5
3
3
3
K
A
6
7
0
3
4
3
6
8
5
2
3
5
J
A
6
8
3
4
5
Q
3
J
9
3
5
5
10
8
10
4
3
6
5
3
8
9
5
3
7
5
2
Q
K
10
3
8
5
E/W -150
13

With the mis-fit 14 count we choose to pass 2 and our LHO who isn't aware that we must have the best hand tries to balance with 2NT with the 14 count.  Partner wisely decides not to lead their diamond suit and chooses spade, and also wisely decides not to cash the top diamond when in on the heart K and instead plays the clubs through helping us set up our clubs, and we get declarer for down 3 and 80%.

Here's the traveller:

2NWx-3 2 500 98.00%

2NW-3 7 150 80.00%

2NW-2 3 100 60.00%

3DN-1 3 -50 46.00%

3NS-1 1 -50 46.00%

3DN-2 4 -100 24.00%

3CS-2 2 -100 24.00%

3NS-2 1 -100 24.00%

2NW= 1 -120 8.00%

3HS-3 1 -150 2.00%

3NS-3 1 -150 2.00%

Weilding the axe would have been a good idea, as even with the humans going for the less careful defense leading to down 2 is a great score.

We get a bad board, 37.5%, when we try to mastermind an 11 count into 1NT but partner pulls and the computer balances to 2 white and down 1 is not beating our partscore.  

This brings about the worse scoring board of the session where we try to play 9 ticks in NT instead of 9 tricks in clubs after partner preempts and we have Axx of clubs and an 11 count:

Robot
A1096
A642
652
Q6
Robot
9853
A9
KJ109532
Robot
KQJ85
Q7
K8743
7
Mbodell
7432
KJ10
QJ10
A84
W
N
E
S
P
P
3
P
3NT
P
P
P
D
19
3NT South
NS: 0 EW: 0
2
9
K
10
2
0
1
K
2
6
3
2
0
2
Q
3
10
5
2
0
3
Q
K
A
8
0
0
4
A
9
5
4
0
0
5
6
A
8
J
1
1
5
2
7
A
6
3
2
5
8
Q
K
3
1
3
5
8 tricks claimed
N/S -50
8

It felt like 7xxx KJT and QJT should be stoppers in all 3 suits, especially since we knew partner has at least 7 hcp so at least a little help outside, and with us knowning that every hand, because of best hand, is between 7-11 hcp I felt we may be able to guess 2-way guesses much better than 50%.  But this is clearly way too optimistic as there are way too many hands where opponents have 5 tricks even without needing to run any suit, so a very bad call on my part. But on the diamond lead we have only 8 tricks with clubs losing so I take the very likely to fail finesse in diamonds to set up trick 9, the opponents could now get me for down 3, but they mess up and only get me down 1, but that is still worth nearly all the matchpoints with my 6% for -50.  

Here's the traveller:

5CS= 1 400 100.00%

4CS+1 5 150 66.00%

3CN+2 11 150 66.00%

3CN+1 5 130 22.00%

4CS= 1 130 22.00%

5CN-1 1 -50 6.00%

3NS-1 1 -50 6.00%

5HN-5 1 -250 0.00%

My bad decision is properly punished and 3 making 150 would have gotten the expected A+ score.

We immediately get a chance to redeem ourselves with a semi-balanced hand that I upgrade in 4th seat to 1NT.  I'd open this shape close to 100% of the time NT with a human partner although I probably wouldn't upgrade this to a 15 count although it is close with the good minor T and 9.

Robot
AQ5
J8632
1084
A5
Robot
K43
A1094
J763
92
Robot
J10986
Q5
K52
Q43
Mbodell
72
K7
AQ9
KJ10876
W
N
E
S
P
P
P
1NT
P
2
P
2
P
2NT
P
P
P
D
20
2NT South
NS: 0 EW: 0
3
4
Q
K
3
1
0
7
6
9
5
1
2
0
9
3
6
A
0
2
1
Q
3
6
2
0
2
2
A
4
J
7
0
2
3
5
K
8
9
1
3
3
A
9
Q
8
1
4
3
2
Q
K
5
3
5
3
J
2
3
4
3
6
3
10
4
6
5
3
7
3
8
10
7
2
3
8
3
7
8
10
10
3
9
3
A
J
J
K
3
10
3
N/S +180
13

When partner staymans and invites I decline.  The opening lead gives me an extra trick in hearts which I take advantage of to also let me take the club finesse.  When I duck the opening spade lead they can cut me off from dummy and hold me to 9 tricks, but when they clear spades they give me the top tricks to take 10 tricks when clubs are 3-2 and this is a cold 100% top score as most are in club partials.

Here's the traveller:

2NS+2 1 180 100.00%

1NS+2 1 150 95.83%

2CS+2 7 130 77.08%

2CN+2 1 130 77.08%

2CS+1 10 110 39.58%

1NS= 1 90 12.50%

2CS= 2 90 12.50%

P 1 0 4.17%

1NS-1 1 -100 0.00%

The most common auction was 1-1-2 although there was a funny auction of 1NT that passed the 2 stayman bid.

The last board to highlight is one where in addition to getting to slam it is important to make it:

Robot
A9
J98
K93
98752
Robot
KQ1043
3
Q1087
AKJ
Robot
J75
7542
52
10643
Mbodell
862
AKQ106
AJ64
Q
W
N
E
S
 
1
P
2
P
3
P
3
P
4
P
4N
P
5
P
6
P
P
P
D
21
6 North
NS: 0 EW: 0
3
Q
2
J
3
1
0
2
A
3
7
0
1
1
9
K
5
6
1
2
1
Q
J
8
3
1
3
1
3
2
A
8
3
4
1
K
9
7
7
3
5
1
Q
J
8
5
3
6
1
10
5
10
4
3
7
1
A
9
Q
5
3
8
1
6
8
4
4
1
9
1
10
6
4
9
1
10
1
A
10
6
7
1
11
1
K
2
J
K
1
12
1
N/S +1430
13

At my table the auction is straightforward with a 2/1 and after we show spade support partner cues, we blackwood, and we are in 6.  They set us if they get off to the diamond lead, but on the club lead the spades split and the hearts are a source of tricks making our contract for a 91.67% score.

Here's the traveller:

6SN= 5 1430 91.67%

3NN+2 1 660 79.17%

4SN+1 2 650 72.92%

5DN= 2 600 64.58%

2SN+2 1 170 58.33%

6SN-1 4 -100 39.58%

6NS-1 1 -100 39.58%

6DN-1 2 -100 39.58%

6NN-1 1 -100 39.58%

6SN-2 6 -200 10.42%

At the 3nt tables our hand repeats the hearts over 3 and partner bids 3NT for us to play there.  At the 4 tables we lead to 4 over the 3 bid.  At the 5 tables we blackwood in diamonds after the 3 call, and find out we are missing 2 so play there.  There were some who leaped to 6 over 3 and they still got the club lead but managed to go down.  In 6nt some people attacked the diamonds leading to go down.  Some choose to leap to 6 over the 3 bid.  Some choose to leap to 6NT over the 3-3-3nt continuation but they pitched spades on the hearts and then lost the diamond also.  So all over the map on this one.

That was the last extreme hand as we ended with 2 more dead 50% and one 62.5% for ending up in the normal sane spot with 18 others.

 

So overall on the first day when we finished our play (around 4:40 am Toronto time - and we took about 1 hour 33 minutes for this first session, slightly slower than I would have expected) our provisional score was 66.x% which seemed hopeful for something in the range we were expecting, despite several clear mistakes which cost.  As more scores came in, however, our score went down to just 62.51%, which was 151st out of 2611 competitors.

If you break down the boards into quartiles I had:

10 greater than or equal to 75% up to 100%

8  greater than or equal to 50% but less than 75%

4 greater than or equal to 25% but less than 50%

2 greater than or equal to 0% but less than 25%

12 of which I covered here.

Dividing in to quintiles instead I had:

8 greater than or equal to 80% up to 100%

5 greater than or equal to 60% but less than 80%

6 greater than or equal to 40% but less than 60%

3 greater than or equal to 20% but less than 40%

1 greater than or equal to 0% but less than 20%

 

So overall not quite as good a score as I had been hoping for, but my biggest costing mistake was the 3nt instead of passing 3, and if I correct that I'd be back around 65+%, so that left me planning the same strategy of mostly normalish bridge and attempt to minimize mistakes.

Full hands for the first session:

Mbodell 1 00:07 4HS+3 510 82.00% Traveller

Mbodell 2 00:11 7NS= 2220 98.08% Traveller

Mbodell 3 00:15 1NS+2 150 56.00% Traveller

Mbodell 4 00:19 3NN= 600 78.00% Traveller

Mbodell 5 00:22 4HN-1 -100 52.00% Traveller

Mbodell 6 00:26 4DN= 130 70.00% Traveller

Mbodell 7 00:29 4SS+1 650 98.00% Traveller

Mbodell 8 00:32 2SS+2 170 40.00% Traveller

Mbodell 9 00:35 1NW+1 -120 24.00% Traveller

Mbodell 10 00:40 3NN+2 660 82.00% Traveller

Mbodell 11 00:43 3NS= 400 64.00% Traveller

Mbodell 12 00:45 3HS-2 -200 50.00% Traveller

Mbodell 13 00:52 4DE= -130 26.00% Traveller

Mbodell 14 00:55 5SS+1 480 79.17% Traveller

Mbodell 15 01:04 3NS+1 630 90.00% Traveller

Mbodell 16 01:08 4SN-2 -100 33.33% Traveller

Mbodell 17 01:12 2NW-3 150 80.00% Traveller

Mbodell 18 01:17 2HW-1 50 37.50% Traveller

Mbodell 19 01:23 3NS-1 -50 6.00% Traveller

Mbodell 20 01:27 2NS+2 180 100.00% Traveller

Mbodell 21 01:32 6SN= 1430 91.67% Traveller

Mbodell 22 01:35 4HS-1 -50 50.00% Traveller

Mbodell 23 01:37 4HW= -620 50.00% Traveller

Mbodell 24 01:40 4HS+2 480 62.50% Traveller

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