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ALT BOARD-A-MATCH INVITATIONAL IV

Bridge Base Online, July 9 - 11, 2024

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 09 10 11 12
Board details:
01 02 03 04 05 06 07 08 09 10 11 12

Bas van Roosmalen

All-tournaments history →
BBO nickname: basvanr

Tournament statistics
 BoardsIMPsIMP/bdButlerButl/bd% bds
Declarer 16 +6 0.38 61.5% — 25%
Dummy 20 -10 -0.50 34.2% — 31%
Defense, player leads 14 -3 -0.21 48.4% — 22%
Defense, partner leads 14 +3 0.21 57.1% — 22%
Total 64 -4 -0.06 49.1% — 100%
OtherDeclared (pair)Best roundWorst round
  36 R9 (+5) R2 (-6)
Card play (DD) (positions where every card gives the same result are not counted)CardsAccurateAcc %Subopt.Tricks lostLost/card
All cards 242 232 95.87% 10 11 0.0455
Opening lead 12 10 83.33% 2 2 0.1667
After the lead — declarer 155 149 96.13% 6 6 0.0387
After the lead — defense 75 73 97.33% 2 3 0.0400

Round 1  (match scorecard, all results of round 1)
NETBRIDGE
 VS
AMATEURS
CLOSED ROOM
 NS: Craig Ganzer - Rob Brady
 EW: Bas van Roosmalen - Frank Vlam
NETBRIDGE
VS
AMATEURS
CLOSED ROOM
NS: Craig Ganzer - Rob Brady
EW: Bas van Roosmalen - Frank Vlam

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3NTW ♠3+1 +1 -430  61% -460   1
2 1NTE ♥6+1 +3 -180  39% -180  0.50.5
3 2♥E ♠K-2 -1    +100 22%    +200 1 
4 4♠S ♥10-1 -1 -100  17%    +110 1 
5 3♠S ♣K= =    +140 39%    +150 1 
6 2♠W ♥A= -1    +100 67% -50   1
7 4♦W ♥3+3 = -130  33%    +200 1 
8 3♥N ♠4-1 -1 -50  44%    +110 1 
ROUND 1 IMPs: 5 2
VP: 5.50 2.50
1 3NTW ♠3+1 +1 -430  -460  1
2 1NTE ♥6+1 +3 -180  -180  0.5
3 2♥E ♠K-2 -1    +100    +200 1
4 4♠S ♥10-1 -1 -100     +110 1
5 3♠S ♣K= =    +140    +150 1
6 2♠W ♥A= -1    +100 -50  1
7 4♦W ♥3+3 = -130     +200 1
8 3♥N ♠4-1 -1 -50     +110 1
ROUND 1 IMPs: 5 2 VP: 5.50 2.50


Round 2  (match scorecard, all results of round 2)
SCORWAY
 VS
NETBRIDGE
OPEN ROOM
 NS: Nils Kvangraven - Stephen Levinson
 EW: Bas van Roosmalen - Frank Vlam
SCORWAY
VS
NETBRIDGE
OPEN ROOM
NS: Nils Kvangraven - Stephen Levinson
EW: Bas van Roosmalen - Frank Vlam

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3♥E ♠Q+2 +2 -200  72% -450  1 
2 4♠N ♣A= =    +620 56%    +50 1 
3 3♣E ♣4+2 +2 -150  22% -140   1
4 3NTW ♠10+4 +4 -720  100% -1390  1 
5 3NTW ♥4-1 -2    +100 100% -150  1 
6 2♠N ♠3= =    +110 89% -50  1 
7 3♣xW ♣4-2 -2    +500 100%    +120 1 
8 3NTN ♦10-1 -1 -50  72% -170  1 
ROUND 2 IMPs: 7 1
VP: 7.00 1.00
1 3♥E ♠Q+2 +2 -200  -450  1
2 4♠N ♣A= =    +620    +50 1
3 3♣E ♣4+2 +2 -150  -140  1
4 3NTW ♠10+4 +4 -720  -1390  1
5 3NTW ♥4-1 -2    +100 -150  1
6 2♠N ♠3= =    +110 -50  1
7 3♣xW ♣4-2 -2    +500    +120 1
8 3NTN ♦10-1 -1 -50  -170  1
ROUND 2 IMPs: 7 1 VP: 7.00 1.00


Round 3  (match scorecard, all results of round 3)
NETBRIDGE
 VS
COCONUT
CLOSED ROOM
 NS: Xiaojing Deng - Nina Huang
 EW: Bas van Roosmalen - Merlijn Donk
NETBRIDGE
VS
COCONUT
CLOSED ROOM
NS: Xiaojing Deng - Nina Huang
EW: Bas van Roosmalen - Merlijn Donk

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♥S ♦J-2 -3 -150  22% -420   1
2 2♥xxE ♥6+3 +3 -1240  0%    +50 1 
3 5♠xW ♣7-3 -3    +800 67%    +420  1
4 2♠E ♣K= +1 -140  22% -110  1 
5 3NTW ♥8+3 +1 -430  72% -460   1
6 6♣E ♥J= = -1370  0% -620  1 
7 5♠xS ♦A= =    +850 83%    +800  1
8 3NTW ♥6+2 +2 -460  50% -460  0.50.5
ROUND 3 IMPs: 3 4
VP: 3.50 4.50
1 4♥S ♦J-2 -3 -150  -420  1
2 2♥xxE ♥6+3 +3 -1240     +50 1
3 5♠xW ♣7-3 -3    +800    +420 1
4 2♠E ♣K= +1 -140  -110  1
5 3NTW ♥8+3 +1 -430  -460  1
6 6♣E ♥J= = -1370  -620  1
7 5♠xS ♦A= =    +850    +800 1
8 3NTW ♥6+2 +2 -460  -460  0.5
ROUND 3 IMPs: 3 4 VP: 3.50 4.50


Round 4  (match scorecard, all results of round 4)
SELIGMAN
 VS
NETBRIDGE
OPEN ROOM
 NS: Włodzimierz Starkowski - Piotr Bizon
 EW: Bas van Roosmalen - Merlijn Donk
SELIGMAN
VS
NETBRIDGE
OPEN ROOM
NS: Włodzimierz Starkowski - Piotr Bizon
EW: Bas van Roosmalen - Merlijn Donk

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3♣W ♦9-1 = -110  78% -300  1 
2 3NTN ♥7-3 -3 -300  0%    +300  1
3 1NTN ♦10-1 -2 -100  17%    +90  1
4 2♠E ♦6-1 -1    +100 6%    +500  1
5 3♠E ♠A= +1 -170  11%    +50  1
6 3♠S ♥A-1 =    +140 22%    +200  1
7 3NTS ♥J+1 +3    +690 100%    +130 1 
8 3NTW ♥5+2 +2 -460  11% -450   1
ROUND 4 IMPs: 2 6
VP: 2.00 6.00
1 3♣W ♦9-1 = -110  -300  1
2 3NTN ♥7-3 -3 -300     +300 1
3 1NTN ♦10-1 -2 -100     +90 1
4 2♠E ♦6-1 -1    +100    +500 1
5 3♠E ♠A= +1 -170     +50 1
6 3♠S ♥A-1 =    +140    +200 1
7 3NTS ♥J+1 +3    +690    +130 1
8 3NTW ♥5+2 +2 -460  -450  1
ROUND 4 IMPs: 2 6 VP: 2.00 6.00


Round 7  (match scorecard, all results of round 7)
ULI
 VS
NETBRIDGE
CLOSED ROOM
 NS: Bas van Roosmalen - Merlijn Donk
 EW: Gabriele Zanasi - Linda Epstein
ULI
VS
NETBRIDGE
CLOSED ROOM
NS: Bas van Roosmalen - Merlijn Donk
EW: Gabriele Zanasi - Linda Epstein

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♥W ♠A= = -420  44% -170  1 
2 3NTS ♦Q-3 -4 -400  39% -400  0.50.5
3 3♦S ♠5= =    +110 67%    +130 1 
4 4♠E ♥10= +1 -650  11% -620  1 
5 4♠W ♣9+1 +1 -450  17%    +50 1 
6 4♠S ♣9= =    +420 67%    +200  1
7 3NTN ♠A-1 -1 -100  28%    +120 1 
8 4♥xE ♠K-1 -1    +100 67%    +450 1 
ROUND 7 IMPs: 6 1
VP: 6.50 1.50
1 4♥W ♠A= = -420  -170  1
2 3NTS ♦Q-3 -4 -400  -400  0.5
3 3♦S ♠5= =    +110    +130 1
4 4♠E ♥10= +1 -650  -620  1
5 4♠W ♣9+1 +1 -450     +50 1
6 4♠S ♣9= =    +420    +200 1
7 3NTN ♠A-1 -1 -100     +120 1
8 4♥xE ♠K-1 -1    +100    +450 1
ROUND 7 IMPs: 6 1 VP: 6.50 1.50


Round 8  (match scorecard, all results of round 8)
NETBRIDGE
 VS
HARRIS
OPEN ROOM
 NS: Bas van Roosmalen - Merlijn Donk
 EW: Marusa Gold - Steve Root
NETBRIDGE
VS
HARRIS
OPEN ROOM
NS: Bas van Roosmalen - Merlijn Donk
EW: Marusa Gold - Steve Root

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3NT xN ♥7+2 =    +550 100%    +460 1 
2 3♦S ♥K-1 -1 -100  11%    +130  1
3 2♠S ♦10+2 +1    +140 0%    +170  1
4 4♠xS ♥5-1 -2 -500  0% -110   1
5 4♠E ♥10+1 +1 -450  22% -450  0.50.5
6 3NTN ♥6-1 -1 -50  44% -50  0.50.5
7 6♠S ♠10-1 -1 -100  22%    +680  1
8 2♥xW ♦6-4 -3    +500 94%    +430 1 
ROUND 8 IMPs: 2 4
VP: 3.00 5.00
1 3NT xN ♥7+2 =    +550    +460 1
2 3♦S ♥K-1 -1 -100     +130 1
3 2♠S ♦10+2 +1    +140    +170 1
4 4♠xS ♥5-1 -2 -500  -110  1
5 4♠E ♥10+1 +1 -450  -450  0.5
6 3NTN ♥6-1 -1 -50  -50  0.5
7 6♠S ♠10-1 -1 -100     +680 1
8 2♥xW ♦6-4 -3    +500    +430 1
ROUND 8 IMPs: 2 4 VP: 3.00 5.00


Round 9  (match scorecard, all results of round 9)
GREENBERG
 VS
NETBRIDGE
CLOSED ROOM
 NS: Bas van Roosmalen - Frank Vlam
 EW: Timur Edis - Elvan Edis
GREENBERG
VS
NETBRIDGE
CLOSED ROOM
NS: Bas van Roosmalen - Frank Vlam
EW: Timur Edis - Elvan Edis

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3NTW ♣3= = -400  28% -150  1 
2 3♥N ♦10-1 -1 -100  17% -200   1
3 2♣W ♥4+1 +1 -110  78% -150   1
4 3NTW ♠3-1 +1 -630  17% -630  0.50.5
5 2♦xS ♥Q-2 -1 -200  56% -430   1
6 2♣E ♥10-2 -2    +200 94% -100   1
7 4♣E ♦Q+1 +1 -150  56% -600   1
8 3NTE ♦Q-1 -3    +150 100%    +50  1
ROUND 9 IMPs: 1 6
VP: 1.50 6.50
1 3NTW ♣3= = -400  -150  1
2 3♥N ♦10-1 -1 -100  -200  1
3 2♣W ♥4+1 +1 -110  -150  1
4 3NTW ♠3-1 +1 -630  -630  0.5
5 2♦xS ♥Q-2 -1 -200  -430  1
6 2♣E ♥10-2 -2    +200 -100  1
7 4♣E ♦Q+1 +1 -150  -600  1
8 3NTE ♦Q-1 -3    +150    +50 1
ROUND 9 IMPs: 1 6 VP: 1.50 6.50


Round 10  (match scorecard, all results of round 10)
NETBRIDGE
 VS
GREENBERG
OPEN ROOM
 NS: Bas van Roosmalen - Frank Vlam
 EW: Timur Edis - Elvan Edis
NETBRIDGE
VS
GREENBERG
OPEN ROOM
NS: Bas van Roosmalen - Frank Vlam
EW: Timur Edis - Elvan Edis

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♠E ♦2+1 = -420  89% -450  1 
2 2♠N ♠K+2 +1    +140 6%    +140 0.50.5
3 5♣xW ♠Q= = -750  6%    +650  1
4 6♠E ♦A= = -1430  44% -1460  1 
5 4♦xN ♠A= -1 -200  11%    +660  1
6 2♠N ♣J+1 +1    +140 72%    +140 0.50.5
7 6♦S ♥6+1 =    +1370 61%    +1390  1
8 2♠xW ♦A-1 -1    +100 72%    +130  1
ROUND 10 IMPs: 2 4
VP: 3.00 5.00
1 4♠E ♦2+1 = -420  -450  1
2 2♠N ♠K+2 +1    +140    +140 0.5
3 5♣xW ♠Q= = -750     +650 1
4 6♠E ♦A= = -1430  -1460  1
5 4♦xN ♠A= -1 -200     +660 1
6 2♠N ♣J+1 +1    +140    +140 0.5
7 6♦S ♥6+1 =    +1370    +1390 1
8 2♠xW ♦A-1 -1    +100    +130 1
ROUND 10 IMPs: 2 4 VP: 3.00 5.00