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ALT COMPETITION 2023 - EVENT 7

Bridge Base Online, September 18 - 21, 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

David Yang

All-tournaments history →
BBO nickname: hyang WBF: 13374

Tournament statistics
 BoardsIMPsIMP/bdButlerButl/bd% bds
Declarer 36 -4 -0.11 3.6 0.10 28%
Dummy 24 -51 -2.13 -37.5 -1.56 19%
Defense, player leads 37 +10 0.27 -14.9 -0.40 29%
Defense, partner leads 31 +16 0.52 -0.8 -0.02 24%
Total 128 -29 -0.23 -49.5 -0.39 100%
OtherDeclared (pair)Best roundWorst round
  60 R6 (+27) R7 (-46)
Card play (DD) (positions where every card gives the same result are not counted)CardsAccurateAcc %Subopt.Tricks lostLost/card
All cards 518 471 90.93% 47 51 0.0985
Opening lead 27 22 81.48% 5 5 0.1852
After the lead — declarer 306 286 93.46% 20 21 0.0686
After the lead — defense 185 163 88.11% 22 25 0.1351

Round 1  (match scorecard, all results of round 1)
AMATEURS
 VS
PIONEERS
OPEN ROOM
 NS: David Yang - Weishu Wu
 EW: Jun Shi - Jianjian Wang
AMATEURS
VS
PIONEERS
OPEN ROOM
NS: David Yang - Weishu Wu
EW: Jun Shi - Jianjian Wang

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3♦W ♥8= = -110  -2.1 -110  --
2 3♣E ♦8-2 -1    +50 -3.5    +300  6
3 2♥xE ♦Q-2 -3    +800 8.5    +800 --
4 4♠W ♥7-3 -3    +300 6.8 -500  13 
5 3NTN ♠2= -2 -200  -7.4    +140  8
6 5♣xE ♥A-3 -3    +800 6.8    +450 8 
7 3♦S ♠10+1 +1    +130 2.3    +200  2
8 4♠W ♥8= = -420  -4.2 -420  --
9 3♣N ♠Q+2 +1    +130 3.1 -50  5 
10 4♥N ♠K-1 -2 -200  -4.1    +140  8
11 4♠xN ♣Q= -1 -100  -2.9 -110  --
12 3♠E ♦Q-2 -2    +100 -5.6    +620  11
13 1NTS ♣K-1 -1 -100  -0.5    +110  5
14 2♥E ♠J= -1    +50 3.4    +50 --
15 3♦E ♥10+1 +1 -130  -0.1 -140  --
16 4♠N ♥8+1 +1    +450 -0.1    +480  1
ROUND 1 IMPs: 26 41
VP: 6.03 13.97
1 3♦W ♥8= = -110  -110  -
2 3♣E ♦8-2 -1    +50    +300 6
3 2♥xE ♦Q-2 -3    +800    +800 -
4 4♠W ♥7-3 -3    +300 -500  13
5 3NTN ♠2= -2 -200     +140 8
6 5♣xE ♥A-3 -3    +800    +450 8
7 3♦S ♠10+1 +1    +130    +200 2
8 4♠W ♥8= = -420  -420  -
9 3♣N ♠Q+2 +1    +130 -50  5
10 4♥N ♠K-1 -2 -200     +140 8
11 4♠xN ♣Q= -1 -100  -110  -
12 3♠E ♦Q-2 -2    +100    +620 11
13 1NTS ♣K-1 -1 -100     +110 5
14 2♥E ♠J= -1    +50    +50 -
15 3♦E ♥10+1 +1 -130  -140  -
16 4♠N ♥8+1 +1    +450    +480 1
ROUND 1 IMPs: 26 41 VP: 6.03 13.97


Round 2  (match scorecard, all results of round 2)
FREDIN
 VS
AMATEURS
CLOSED ROOM
 NS: David Yang - Ai-Tai Lo
 EW: Johan Bennet - Christian Lahrmann
FREDIN
VS
AMATEURS
CLOSED ROOM
NS: David Yang - Ai-Tai Lo
EW: Johan Bennet - Christian Lahrmann

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♣E ♣A-3 -4    +200 12.0 -480   12
2 2NTW ♠4-1 = -120  -1.4 -120  --
3 3NTS ♦2= =    +400 2.8    +420 1 
4 3♣N ♦10-3 -2 -200  -0.4 -300   3
5 2♦S ♥Q= =    +90 0.8    +100 --
6 4♠W ♣5= +1 -650  -6.5 -630  1 
7 4♥W ♦2= = -620  -0.6 -620  --
8 3NTW ♣4+1 = -400  1.0 -400  --
9 3NTS ♦10= =    +400 5.3    +170  6
10 3NTW ♦9+1 +2 -660  -0.1 -660  --
11 6♥S ♥J= =    +980 7.5    +1010 1 
12 4♥E ♠Q+1 = -420  -0.2 -420  --
13 2♠W ♥K= +1 -140  -3.4    +170 7 
14 2♦W ♦5+2 +1 -110  0.5 -50  2 
15 3NTW ♣A= = -400  -3.8 -100  7 
16 3NTW ♥5+1 +1 -630  -9.7    +100 12 
ROUND 2 IMPs: 31 21
VP: 12.80 7.20
1 4♣E ♣A-3 -4    +200 -480  12
2 2NTW ♠4-1 = -120  -120  -
3 3NTS ♦2= =    +400    +420 1
4 3♣N ♦10-3 -2 -200  -300  3
5 2♦S ♥Q= =    +90    +100 -
6 4♠W ♣5= +1 -650  -630  1
7 4♥W ♦2= = -620  -620  -
8 3NTW ♣4+1 = -400  -400  -
9 3NTS ♦10= =    +400    +170 6
10 3NTW ♦9+1 +2 -660  -660  -
11 6♥S ♥J= =    +980    +1010 1
12 4♥E ♠Q+1 = -420  -420  -
13 2♠W ♥K= +1 -140     +170 7
14 2♦W ♦5+2 +1 -110  -50  2
15 3NTW ♣A= = -400  -100  7
16 3NTW ♥5+1 +1 -630     +100 12
ROUND 2 IMPs: 31 21 VP: 12.80 7.20


Round 3  (match scorecard, all results of round 3)
REYNOLDS
 VS
AMATEURS
CLOSED ROOM
 NS: David Yang - Weishu Wu
 EW: Piotr Bizon - Marek Blat
REYNOLDS
VS
AMATEURS
CLOSED ROOM
NS: David Yang - Weishu Wu
EW: Piotr Bizon - Marek Blat

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 1NTE ♣K-1 -1    +50 4.6 -800   13
2 1NTW ♦J= +1 -120  -3.2    +50 5 
3 1NTN ♣9+1 =    +90 0.6    +150 2 
4 1NTN ♠3-2 -1 -100  2.9 -200   3
5 4♠E ♣Q-2 -2    +100 -0.8    +100 --
6 3NTN ♣5+1 =    +400 -0.6    +480 2 
7 2♥W ♦J-3 -3    +300 4.8    +150  4
8 6♠W ♣A+1 +1 -1010  1.3 -1010  --
9 1NTE ♠8-1 -1    +100 1.7 -110   5
10 2♥N ♥8= =    +110 0.1    +200 3 
11 3NTE ♥10= +1 -430  -2.7 -400  1 
12 3♦W ♣2= = -110  1.2 -100  --
13 2♥N ♠A= =    +110 3.4 -300   9
14 5♥E ♣7+1 +1 -480  0.4 -450  1 
15 4♠E ♦K= +1 -450  -2.2 -450  --
16 5♦xN ♠4= =    +550 4.9    +400  4
ROUND 3 IMPs: 14 38
VP: 4.26 15.74
1 1NTE ♣K-1 -1    +50 -800  13
2 1NTW ♦J= +1 -120     +50 5
3 1NTN ♣9+1 =    +90    +150 2
4 1NTN ♠3-2 -1 -100  -200  3
5 4♠E ♣Q-2 -2    +100    +100 -
6 3NTN ♣5+1 =    +400    +480 2
7 2♥W ♦J-3 -3    +300    +150 4
8 6♠W ♣A+1 +1 -1010  -1010  -
9 1NTE ♠8-1 -1    +100 -110  5
10 2♥N ♥8= =    +110    +200 3
11 3NTE ♥10= +1 -430  -400  1
12 3♦W ♣2= = -110  -100  -
13 2♥N ♠A= =    +110 -300  9
14 5♥E ♣7+1 +1 -480  -450  1
15 4♠E ♦K= +1 -450  -450  -
16 5♦xN ♠4= =    +550    +400 4
ROUND 3 IMPs: 14 38 VP: 4.26 15.74


Round 4  (match scorecard, all results of round 4)
AMATEURS
 VS
UKRAINE
OPEN ROOM
 NS: David Yang - Ai-Tai Lo
 EW: Yuliy Chumak - Petro Karlykov
AMATEURS
VS
UKRAINE
OPEN ROOM
NS: David Yang - Ai-Tai Lo
EW: Yuliy Chumak - Petro Karlykov

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 6♦W ♥Q+1 = -920  -11.8 -170   13
2 1NTS ♠2+2 +2    +150 1.6    +150 --
3 3NTW ♦5+2 +2 -660  0.4 -1430  13 
4 4♥N ♣6-1 -1 -100  -2.2    +200  7
5 3NTW ♥9+1 +1 -430  -0.9 -430  --
6 3NTN ♠2+3 +2    +460 -0.1    +460 --
7 2♠W ♥Q+2 +1 -140  4.4 -600  10 
8 4♥N ♦K= =    +420 1.1    +450  1
9 3NTW ♣2+1 +1 -630  -6.0 -600   1
10 4♠S ♠4-1 -1 -100  -4.5 -100  --
11 2♦E ♣7-1 -3    +150 4.1 -150  7 
12 3NTW ♠4+3 +3 -490  -0.6    +100  11
13 5♥xW ♦A-2 -2    +500 11.7 -100  12 
14 4♥E ♥4= = -420  -4.4 -110   7
15 4♥N ♣J+2 +2    +680 0.8    +650 1 
16 2♥S ♦Q= =    +110 1.1    +140  1
ROUND 4 IMPs: 43 41
VP: 10.61 9.39
1 6♦W ♥Q+1 = -920  -170  13
2 1NTS ♠2+2 +2    +150    +150 -
3 3NTW ♦5+2 +2 -660  -1430  13
4 4♥N ♣6-1 -1 -100     +200 7
5 3NTW ♥9+1 +1 -430  -430  -
6 3NTN ♠2+3 +2    +460    +460 -
7 2♠W ♥Q+2 +1 -140  -600  10
8 4♥N ♦K= =    +420    +450 1
9 3NTW ♣2+1 +1 -630  -600  1
10 4♠S ♠4-1 -1 -100  -100  -
11 2♦E ♣7-1 -3    +150 -150  7
12 3NTW ♠4+3 +3 -490     +100 11
13 5♥xW ♦A-2 -2    +500 -100  12
14 4♥E ♥4= = -420  -110  7
15 4♥N ♣J+2 +2    +680    +650 1
16 2♥S ♦Q= =    +110    +140 1
ROUND 4 IMPs: 43 41 VP: 10.61 9.39


Round 5  (match scorecard, all results of round 5)
YELLOW CAP
 VS
AMATEURS
CLOSED ROOM
 NS: David Yang - Weishu Wu
 EW: Jan Clementsson - Mats Nilsland
YELLOW CAP
VS
AMATEURS
CLOSED ROOM
NS: David Yang - Weishu Wu
EW: Jan Clementsson - Mats Nilsland

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3♣W ♣5-3 -2    +100 -1.0    +150 2 
2 4♠W ♥4-1 -1    +50 2.0 -420   10
3 4♥E ♠A+1 +1 -650  -1.6 -650  --
4 5♦E ♥K= = -600  -2.9 -720   3
5 4♥E ♠K-2 -2    +100 1.6    +100 --
6 3NTN ♣A+2 +1    +430 -0.4    +490 2 
7 3♦S ♠K+2 +2    +150 -3.4    +630 10 
8 4♥xN ♦7= =    +590 9.4    +170  9
9 1NTN ♠6+1 =    +90 2.2 -100   5
10 3NTW ♠5-2 = -600  -8.7    +200 13 
11 3♠N ♣7+1 +1    +170 -3.9    +170 --
12 4♥E ♠A+2 +1 -450  0.1 -480   1
13 4♥N ♣9+1 +1    +650 4.4    +650 --
14 3NTS ♠2+1 =    +400 -0.4    +460 2 
15 5♥N ♦3-1 -1 -100  -10.6    +620 12 
16 4♠N ♣5= +1    +450 5.1 -50   11
ROUND 5 IMPs: 41 39
VP: 10.61 9.39
1 3♣W ♣5-3 -2    +100    +150 2
2 4♠W ♥4-1 -1    +50 -420  10
3 4♥E ♠A+1 +1 -650  -650  -
4 5♦E ♥K= = -600  -720  3
5 4♥E ♠K-2 -2    +100    +100 -
6 3NTN ♣A+2 +1    +430    +490 2
7 3♦S ♠K+2 +2    +150    +630 10
8 4♥xN ♦7= =    +590    +170 9
9 1NTN ♠6+1 =    +90 -100  5
10 3NTW ♠5-2 = -600     +200 13
11 3♠N ♣7+1 +1    +170    +170 -
12 4♥E ♠A+2 +1 -450  -480  1
13 4♥N ♣9+1 +1    +650    +650 -
14 3NTS ♠2+1 =    +400    +460 2
15 5♥N ♦3-1 -1 -100     +620 12
16 4♠N ♣5= +1    +450 -50  11
ROUND 5 IMPs: 41 39 VP: 10.61 9.39


Round 6  (match scorecard, all results of round 6)
AMATEURS
 VS
ULI
OPEN ROOM
 NS: David Yang - Ai-Tai Lo
 EW: Gabriele Zanasi - Linda Epstein
AMATEURS
VS
ULI
OPEN ROOM
NS: David Yang - Ai-Tai Lo
EW: Gabriele Zanasi - Linda Epstein

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 5♥S ♣K-1 -1 -50  -7.7 -50  --
2 3NTE ♠7+2 +3 -490  -3.8 -460   1
3 4♥W ♥Q-2 -2    +200 3.8    +200 --
4 4♥S ♠6-1 -1 -100  -1.3 -650  11 
5 3NTW ♠10-5 -1    +50 4.7 -550  12 
6 4♠S ♦A+1 +1    +450 0.5    +450 --
7 3NTW ♥A-2 -2    +200 6.8 -90  7 
8 2♥E ♥3+1 +2 -170  0.5 -400  6 
9 1NTN ♥2= =    +90 0.2 -50  4 
10 3♠W ♣A-3 -2    +200 2.8    +100 3 
11 4♥xN ♦K-2 -2 -300  -4.2    +50  8
12 6♥E ♥7+1 +1 -1010  -3.9 -510   11
13 3NTS ♠K-1 -1 -100  -11.4    +500  12
14 5♠N ♥10-1 =    +450 4.2    +300 4 
15 2♠N ♠4-2 =    +110 4.8 -100  5 
16 3NTN ♥6+1 =    +400 5.1    +120 7 
ROUND 6 IMPs: 59 32
VP: 16.26 3.74
1 5♥S ♣K-1 -1 -50  -50  -
2 3NTE ♠7+2 +3 -490  -460  1
3 4♥W ♥Q-2 -2    +200    +200 -
4 4♥S ♠6-1 -1 -100  -650  11
5 3NTW ♠10-5 -1    +50 -550  12
6 4♠S ♦A+1 +1    +450    +450 -
7 3NTW ♥A-2 -2    +200 -90  7
8 2♥E ♥3+1 +2 -170  -400  6
9 1NTN ♥2= =    +90 -50  4
10 3♠W ♣A-3 -2    +200    +100 3
11 4♥xN ♦K-2 -2 -300     +50 8
12 6♥E ♥7+1 +1 -1010  -510  11
13 3NTS ♠K-1 -1 -100     +500 12
14 5♠N ♥10-1 =    +450    +300 4
15 2♠N ♠4-2 =    +110 -100  5
16 3NTN ♥6+1 =    +400    +120 7
ROUND 6 IMPs: 59 32 VP: 16.26 3.74


Round 7  (match scorecard, all results of round 7)
NETBRIDGE
 VS
AMATEURS
CLOSED ROOM
 NS: David Yang - Weishu Wu
 EW: Olivier de Haas - Marcus Been
NETBRIDGE
VS
AMATEURS
CLOSED ROOM
NS: David Yang - Weishu Wu
EW: Olivier de Haas - Marcus Been

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3NTE ♠5-1 -2    +100 3.7 -300   9
2 4♥S ♠8-1 -1 -100  -3.2    +500 12 
3 3♠E ♥K-1 -2    +200 3.2    +140  2
4 3♥W ♠3-1 -2    +200 2.6    +130  2
5 6♠W ♣6+1 = -980  -8.5 -480  11 
6 3♥N ♦K= =    +140 -0.1    +500 8 
7 5♣xS ♥A-3 -3 -800  -10.8 -400  9 
8 2♠N ♥4-1 =    +110 3.0    +110 --
9 4♠W ♠7-1 -1    +100 3.6 -100   5
10 3NTN ♠K+3 +2    +660 0.6    +600  2
11 2♠S ♦K= +1    +140 4.1    +90  2
12 3NTS ♦A-1 -1 -100  -5.8 -100  --
13 3♣N ♥6+2 +2    +150 -8.9    +600 10 
14 6♥E ♣2= = -980  -10.4 -480  11 
15 4♥W ♦J= = -420  -0.2 -400  1 
16 1NTE ♥9+1 +2 -150  -2.7    +100 6 
ROUND 7 IMPs: 68 22
VP: 18.77 1.23
1 3NTE ♠5-1 -2    +100 -300  9
2 4♥S ♠8-1 -1 -100     +500 12
3 3♠E ♥K-1 -2    +200    +140 2
4 3♥W ♠3-1 -2    +200    +130 2
5 6♠W ♣6+1 = -980  -480  11
6 3♥N ♦K= =    +140    +500 8
7 5♣xS ♥A-3 -3 -800  -400  9
8 2♠N ♥4-1 =    +110    +110 -
9 4♠W ♠7-1 -1    +100 -100  5
10 3NTN ♠K+3 +2    +660    +600 2
11 2♠S ♦K= +1    +140    +90 2
12 3NTS ♦A-1 -1 -100  -100  -
13 3♣N ♥6+2 +2    +150    +600 10
14 6♥E ♣2= = -980  -480  11
15 4♥W ♦J= = -420  -400  1
16 1NTE ♥9+1 +2 -150     +100 6
ROUND 7 IMPs: 68 22 VP: 18.77 1.23


Round 8  (match scorecard, all results of round 8)
UKRAINE
 VS
AMATEURS
CLOSED ROOM
 NS: David Yang - Ai-Tai Lo
 EW: Yuriy Lukke - Vitaly Zuban
UKRAINE
VS
AMATEURS
CLOSED ROOM
NS: David Yang - Ai-Tai Lo
EW: Yuriy Lukke - Vitaly Zuban

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3NTE ♥5+1 +1 -430  -1.8 -430  --
2 4♠S ♥K= =    +620 3.3 -200   13
3 3♥S ♣K= =    +140 0.2 -50   5
4 3NTE ♣7+1 +1 -630  -0.6 -600  1 
5 4♠N ♣2-1 -1 -100  -5.5    +300 9 
6 1NT xN ♠5-2 -1 -100  0.8 -110  --
7 4♥S ♦3= -1 -100  -6.9    +100 5 
8 4♠W ♥J-1 -1    +50 2.9 -140   5
9 2♣N ♥K= +1    +110 0.1 -50   4
10 5♦xW ♥A= = -750  -6.5 -750  --
11 2♥N ♣3+2 +3    +200 -1.5    +170  1
12 4♠E ♠4-1 = -420  -4.2 -420  --
13 5♥xS ♠K-1 -2 -500  -2.5    +2200 21 
14 5♦xE ♠2-1 -1    +100 0.0 -130   6
15 2NTS ♠J-2 -4 -400  -8.4 -110  7 
16 4♠W ♣Q-2 -1    +100 3.0    +100 --
ROUND 8 IMPs: 43 34
VP: 12.55 7.45
1 3NTE ♥5+1 +1 -430  -430  -
2 4♠S ♥K= =    +620 -200  13
3 3♥S ♣K= =    +140 -50  5
4 3NTE ♣7+1 +1 -630  -600  1
5 4♠N ♣2-1 -1 -100     +300 9
6 1NT xN ♠5-2 -1 -100  -110  -
7 4♥S ♦3= -1 -100     +100 5
8 4♠W ♥J-1 -1    +50 -140  5
9 2♣N ♥K= +1    +110 -50  4
10 5♦xW ♥A= = -750  -750  -
11 2♥N ♣3+2 +3    +200    +170 1
12 4♠E ♠4-1 = -420  -420  -
13 5♥xS ♠K-1 -2 -500     +2200 21
14 5♦xE ♠2-1 -1    +100 -130  6
15 2NTS ♠J-2 -4 -400  -110  7
16 4♠W ♣Q-2 -1    +100    +100 -
ROUND 8 IMPs: 43 34 VP: 12.55 7.45