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ALT COMPETITION 2023 - EVENT 4

Bridge Base Online, April 3 - 6, 2023

Results produced by bridgeresults.org
CONDITIONS OF CONTEST
Leaderboard
Butler
Cross Table
Line-Up
Results of round:
01 02 03 04 05 06 07 08
Board details:
01 02 03 04 05 06 07 08

Ai-Tai Lo

All-tournaments history →
BBO nickname: aitail WBF: 13330

Tournament statistics
 BoardsIMPsIMP/bdButlerButl/bd% bds
Declarer 16 +6 0.38 18.9 1.18 25%
Dummy 15 +7 0.47 -21.5 -1.43 23%
Defense, player leads 19 -16 -0.84 15.7 0.83 30%
Defense, partner leads 14 -1 -0.07 -16.0 -1.14 22%
Total 64 -4 -0.06 -2.8 -0.04 100%
OtherDeclared (pair)Best roundWorst round
  31 R4 (+18) R8 (-33)
Card play (DD) (positions where every card gives the same result are not counted)CardsAccurateAcc %Subopt.Tricks lostLost/card
All cards 224 198 88.39% 26 32 0.1429
Opening lead 14 5 35.71% 9 15 1.0714
After the lead — declarer 125 117 93.60% 8 8 0.0640
After the lead — defense 85 76 89.41% 9 9 0.1059

Round 2  (match scorecard, all results of round 2)
SELIGMAN
 VS
AMATEURS
CLOSED ROOM
 NS: Jiang Gu - Ai-Tai Lo
 EW: Martin Seligman - Jacek Pszczoła
SELIGMAN
VS
AMATEURS
CLOSED ROOM
NS: Jiang Gu - Ai-Tai Lo
EW: Martin Seligman - Jacek Pszczoła

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♠W ♣3= = -420  -5.6 -140  7 
2 4♥N ♦K-1 -2 -200  -2.8 -500   7
3 4♥S ♠2-2 -2 -100  -2.3 -100  --
4 4♠S ♦J+1 +1    +650 -0.6    +850 5 
5 4♥S ♠7+2 +2    +680 3.3    +650  1
6 2♠S ♣9= +1    +140 0.1    +110  1
7 5♣W ♥K+1 = -600  -4.9 -750   4
8 1NTE ♥4= = -90  0.0 -110   1
9 4♠N ♣A= -1 -50  -2.6    +140 5 
10 4♥N ♣A+1 +1    +650 2.6    +620  1
11 3NTN ♥10+1 +2    +460 2.0    +400  2
12 3♥W ♦A-2 -1    +50 2.5    +100 2 
13 3NTS ♠9+2 +1    +630 3.5    +660 1 
14 3NTE ♦J+2 +2 -460  -0.5 -430  1 
15 3NTE ♥10-3 -3    +150 0.9    +50  3
16 4♠W ♠2= -1    +100 9.7 -500   12
ROUND 2 IMPs: 21 32
VP: 6.96 13.04
1 4♠W ♣3= = -420  -140  7
2 4♥N ♦K-1 -2 -200  -500  7
3 4♥S ♠2-2 -2 -100  -100  -
4 4♠S ♦J+1 +1    +650    +850 5
5 4♥S ♠7+2 +2    +680    +650 1
6 2♠S ♣9= +1    +140    +110 1
7 5♣W ♥K+1 = -600  -750  4
8 1NTE ♥4= = -90  -110  1
9 4♠N ♣A= -1 -50     +140 5
10 4♥N ♣A+1 +1    +650    +620 1
11 3NTN ♥10+1 +2    +460    +400 2
12 3♥W ♦A-2 -1    +50    +100 2
13 3NTS ♠9+2 +1    +630    +660 1
14 3NTE ♦J+2 +2 -460  -430  1
15 3NTE ♥10-3 -3    +150    +50 3
16 4♠W ♠2= -1    +100 -500  12
ROUND 2 IMPs: 21 32 VP: 6.96 13.04


Round 4  (match scorecard, all results of round 4)
JEDI KNIGHTS
 VS
AMATEURS
CLOSED ROOM
 NS: David Chechelashvili - Ai-Tai Lo
 EW: Ranald Milne - Derek O'Gorman
JEDI KNIGHTS
VS
AMATEURS
CLOSED ROOM
NS: David Chechelashvili - Ai-Tai Lo
EW: Ranald Milne - Derek O'Gorman

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♠N ♣8+3 =    +420 0.0    +420 --
2 4♥W ♦3+2 +2 -480  -0.5 -450  1 
3 3♠W ♥2-1 -1    +100 -1.9    +300 5 
4 4♠W ♦6= +1 -650  -1.9 -620  1 
5 3♠S ♦K= =    +140 3.3    +140 --
6 2♦xS ♥3-1 =    +180 3.5 -300   10
7 1NTW ♠8-1 -2    +200 3.7 -90   7
8 2♥xW ♠2-3 -1    +100 -6.4    +430 8 
9 4♥W ♦10+1 +1 -650  -8.5 -650  --
10 1NTE ♥3-1 -2    +200 5.7    +200 --
11 2♦S ♠7-2 -1 -50  -0.8    +50 3 
12 4♥E ♦Q-1 -1    +50 2.9    +50 --
13 3♠S ♣A= =    +140 4.1    +100  1
14 3♥E ♦10+1 +1 -170  2.3 -420   6
15 1NTW ♥4-1 -1    +50 -0.1    +50 --
16 4♥E ♠A-1 -1    +100 6.1 -630   12
ROUND 4 IMPs: 18 36
VP: 5.40 14.60
1 4♠N ♣8+3 =    +420    +420 -
2 4♥W ♦3+2 +2 -480  -450  1
3 3♠W ♥2-1 -1    +100    +300 5
4 4♠W ♦6= +1 -650  -620  1
5 3♠S ♦K= =    +140    +140 -
6 2♦xS ♥3-1 =    +180 -300  10
7 1NTW ♠8-1 -2    +200 -90  7
8 2♥xW ♠2-3 -1    +100    +430 8
9 4♥W ♦10+1 +1 -650  -650  -
10 1NTE ♥3-1 -2    +200    +200 -
11 2♦S ♠7-2 -1 -50     +50 3
12 4♥E ♦Q-1 -1    +50    +50 -
13 3♠S ♣A= =    +140    +100 1
14 3♥E ♦10+1 +1 -170  -420  6
15 1NTW ♥4-1 -1    +50    +50 -
16 4♥E ♠A-1 -1    +100 -630  12
ROUND 4 IMPs: 18 36 VP: 5.40 14.60


Round 6  (match scorecard, all results of round 6)
NETBRIDGE
 VS
AMATEURS
CLOSED ROOM
 NS: David Chechelashvili - Ai-Tai Lo
 EW: Olivier de Haas - Marcus Been
NETBRIDGE
VS
AMATEURS
CLOSED ROOM
NS: David Chechelashvili - Ai-Tai Lo
EW: Olivier de Haas - Marcus Been

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♠N ♦2= =    +420 7.7 -50   10
2 2♥S ♥2= -1 -100  1.5 -100  --
3 2♥N ♥2-1 -2 -100  0.4    +200 7 
4 3♠E ♣K-1 -1    +100 -5.4    +600 11 
5 3♦E ♠A+1 = -110  -0.7 -100  --
6 3NTE ♣7= -1    +100 6.2 -100   5
7 3♥E ♣8= +1 -170  -1.6    +400 11 
8 3♥E ♦8+1 +1 -170  -3.5    +50 6 
9 3NTN ♠K= =    +400 5.7    +110  7
10 2♥S ♣4+1 +2    +170 2.6    +130  1
11 1NTS ♠2= +1    +120 0.7    +120 --
12 6♠N ♥A-1 -1 -100  -10.7 -100  --
13 3♦E ♣Q+2 +1 -130  2.3 -150   1
14 1NTS ♣5-1 =    +90 3.8 -90   5
15 2♠N ♦J+2 +2    +170 -1.9    +150  1
16 2♥N ♣K+1 +1    +140 0.3 -50   5
ROUND 6 IMPs: 35 35
VP: 10.00 10.00
1 4♠N ♦2= =    +420 -50  10
2 2♥S ♥2= -1 -100  -100  -
3 2♥N ♥2-1 -2 -100     +200 7
4 3♠E ♣K-1 -1    +100    +600 11
5 3♦E ♠A+1 = -110  -100  -
6 3NTE ♣7= -1    +100 -100  5
7 3♥E ♣8= +1 -170     +400 11
8 3♥E ♦8+1 +1 -170     +50 6
9 3NTN ♠K= =    +400    +110 7
10 2♥S ♣4+1 +2    +170    +130 1
11 1NTS ♠2= +1    +120    +120 -
12 6♠N ♥A-1 -1 -100  -100  -
13 3♦E ♣Q+2 +1 -130  -150  1
14 1NTS ♣5-1 =    +90 -90  5
15 2♠N ♦J+2 +2    +170    +150 1
16 2♥N ♣K+1 +1    +140 -50  5
ROUND 6 IMPs: 35 35 VP: 10.00 10.00


Round 8  (match scorecard, all results of round 8)
CANTOR
 VS
AMATEURS
CLOSED ROOM
 NS: Bill Pettis - Ai-Tai Lo
 EW: Henrik Kruse Petersen - Leif Nygaard
CANTOR
VS
AMATEURS
CLOSED ROOM
NS: Bill Pettis - Ai-Tai Lo
EW: Henrik Kruse Petersen - Leif Nygaard

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3♥E ♠A+1 +1 -170  3.7 -170  --
2 4♠E ♥8-1 -1    +50 -2.1    +1400 16 
3 2NTN ♥4-1 -1 -50  -2.4 -100   2
4 2♥N ♥7+2 +2    +170 -2.3    +170 --
5 4♠N ♣3-2 -3 -300  -6.9 -100  5 
6 4♥S ♥8+2 +2    +480 3.5    +450  1
7 2♦E ♦10+1 = -90  -2.5 -90  --
8 4♠S ♥3-1 -2 -100  -2.2 -50  2 
9 4♦E ♥K+2 +1 -150  3.2 -300   4
10 2♥S ♠7-1 -2 -200  -5.0 -90  3 
11 3♥W ♦10-2 -1    +50 -1.3    +50 --
12 2♠W ♣7-1 = -110  -0.6 -110  --
13 3NTE ♣J+4 +4 -720  -3.1 -600  3 
14 2NTE ♦Q= -1    +50 1.9    +50 --
15 4♠W ♥3+1 +1 -450  -0.2 -450  --
16 3NTN ♥3-2 -2 -100  -10.5    +450 11 
ROUND 8 IMPs: 40 7
VP: 17.17 2.83
1 3♥E ♠A+1 +1 -170  -170  -
2 4♠E ♥8-1 -1    +50    +1400 16
3 2NTN ♥4-1 -1 -50  -100  2
4 2♥N ♥7+2 +2    +170    +170 -
5 4♠N ♣3-2 -3 -300  -100  5
6 4♥S ♥8+2 +2    +480    +450 1
7 2♦E ♦10+1 = -90  -90  -
8 4♠S ♥3-1 -2 -100  -50  2
9 4♦E ♥K+2 +1 -150  -300  4
10 2♥S ♠7-1 -2 -200  -90  3
11 3♥W ♦10-2 -1    +50    +50 -
12 2♠W ♣7-1 = -110  -110  -
13 3NTE ♣J+4 +4 -720  -600  3
14 2NTE ♦Q= -1    +50    +50 -
15 4♠W ♥3+1 +1 -450  -450  -
16 3NTN ♥3-2 -2 -100     +450 11
ROUND 8 IMPs: 40 7 VP: 17.17 2.83