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ALT COMPETITION 2025 - EVENT 7

Bridge Base Online, August 11 - 14, 2025

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

Sibrand van Oosten

All-tournaments history →
BBO nickname: sibrand WBF: 41257

Sibrand VAN OOSTEN
Country: Netherlands
WBF: NED11143293 (41257)
MPPPTitleRank
🔵 Open900—699

Tournament statistics
 BoardsIMPsIMP/bdButlerButl/bd% bds
Declarer 38 +11 0.29 9.7 0.25 30%
Dummy 33 +75 2.27 27.7 0.84 26%
Defense, player leads 28 +77 2.75 59.7 2.13 22%
Defense, partner leads 29 +10 0.34 31.4 1.08 23%
Total 128 +173 1.35 128.5 1.00 100%
OtherDeclared (pair)Best roundWorst round
  71 R8 (+66) R5 (-7)
Card play (DD) (positions where every card gives the same result are not counted)CardsAccurateAcc %Subopt.Tricks lostLost/card
All cards 448 411 91.74% 37 43 0.0960
Opening lead 16 15 93.75% 1 2 0.1250
After the lead — declarer 284 263 92.61% 21 26 0.0915
After the lead — defense 148 133 89.86% 15 15 0.1014

Round 1  (match scorecard, all results of round 1)
SPRING
 VS
HARRIS
CLOSED ROOM
 NS: Vladi Isporski - Rumen Trendafilov
 EW: Sibrand van Oosten - Thibo Sprinkhuizen
SPRING
VS
HARRIS
CLOSED ROOM
NS: Vladi Isporski - Rumen Trendafilov
EW: Sibrand van Oosten - Thibo Sprinkhuizen

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♥S ♣2= =    +420 -3.8    +170  6
2 2NTE ♣7= +1 -150  0.0 -100  2 
3 2♥N ♥3+1 =    +110 1.3    +150 1 
4 3NTE ♥2-1 -2    +200 -1.1    +300 3 
5 4♥S ♦K+1 =    +620 -0.5    +650 1 
6 4♥E ♦A-1 -1    +100 3.0    +200 3 
7 1NTW ♥4+1 +2 -150  1.3    +100 6 
8 2NTN ♣4+1 -2 -100  1.5    +800 14 
9 4♣S ♠3= =    +130 -4.0    +130 --
10 4♠E ♥2+2 +2 -680  -0.7 -990   7
11 3NTS ♥2+1 +1    +430 -0.9    +400  1
12 3♠E ♦8+4 +1 -170  0.5    +100 7 
13 5♣N ♥2= =    +600 -5.7    +600 --
14 5♣xN ♥5= -1 -100  1.7    +100 5 
15 3♣W ♦J= = -110  5.2    +150 6 
16 2♣N ♦4+3 +3    +150 0.5    +180 1 
ROUND 1 IMPs: 49 14
VP: 17.45 2.55
1 4♥S ♣2= =    +420    +170 6
2 2NTE ♣7= +1 -150  -100  2
3 2♥N ♥3+1 =    +110    +150 1
4 3NTE ♥2-1 -2    +200    +300 3
5 4♥S ♦K+1 =    +620    +650 1
6 4♥E ♦A-1 -1    +100    +200 3
7 1NTW ♥4+1 +2 -150     +100 6
8 2NTN ♣4+1 -2 -100     +800 14
9 4♣S ♠3= =    +130    +130 -
10 4♠E ♥2+2 +2 -680  -990  7
11 3NTS ♥2+1 +1    +430    +400 1
12 3♠E ♦8+4 +1 -170     +100 7
13 5♣N ♥2= =    +600    +600 -
14 5♣xN ♥5= -1 -100     +100 5
15 3♣W ♦J= = -110     +150 6
16 2♣N ♦4+3 +3    +150    +180 1
ROUND 1 IMPs: 49 14 VP: 17.45 2.55


Round 2  (match scorecard, all results of round 2)
NETBRIDGE
 VS
SPRING
OPEN ROOM
 NS: Marijn Huber - Martin van der Starre
 EW: Sibrand van Oosten - Thibo Sprinkhuizen
NETBRIDGE
VS
SPRING
OPEN ROOM
NS: Marijn Huber - Martin van der Starre
EW: Sibrand van Oosten - Thibo Sprinkhuizen

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3NTE ♠6+1 = -400  -1.7 -420  1 
2 2♠W ♠3+1 +1 -140  1.5    +200  8
3 4NTW ♥4+1 = -630  -0.9 -660  1 
4 3NTS ♥K-2 -1 -100  0.9    +110  5
5 2♠W ♦K+2 +1 -140  0.9 -140  --
6 2♥W ♦8-1 -1    +100 -0.5    +500  9
7 5♦E ♠K= = -600  6.0 -500   3
8 4♥N ♦A-2 -2 -100  2.3    +110  5
9 3♦E ♣4+2 +2 -150  -1.4    +100  6
10 4♠W ♥4-2 -2    +200 7.6    +620  9
11 2♠S ♣K= =    +110 -0.1 -50  4 
12 4♠E ♦A-1 -1    +50 -5.5 -170  6 
13 4♥W ♦K+3 +2 -680  -3.7 -680  --
14 4♠xS ♦K= =    +590 -9.1 -100  12 
15 4♦xW ♣J= = -510  6.7 -200   7
16 3♣E ♣Q+2 +3 -170  -2.1 -600  10 
ROUND 2 IMPs: 34 52
VP: 5.40 14.60
1 3NTE ♠6+1 = -400  -420  1
2 2♠W ♠3+1 +1 -140     +200 8
3 4NTW ♥4+1 = -630  -660  1
4 3NTS ♥K-2 -1 -100     +110 5
5 2♠W ♦K+2 +1 -140  -140  -
6 2♥W ♦8-1 -1    +100    +500 9
7 5♦E ♠K= = -600  -500  3
8 4♥N ♦A-2 -2 -100     +110 5
9 3♦E ♣4+2 +2 -150     +100 6
10 4♠W ♥4-2 -2    +200    +620 9
11 2♠S ♣K= =    +110 -50  4
12 4♠E ♦A-1 -1    +50 -170  6
13 4♥W ♦K+3 +2 -680  -680  -
14 4♠xS ♦K= =    +590 -100  12
15 4♦xW ♣J= = -510  -200  7
16 3♣E ♣Q+2 +3 -170  -600  10
ROUND 2 IMPs: 34 52 VP: 5.40 14.60


Round 3  (match scorecard, all results of round 3)
SPRING
 VS
COCONUT
OPEN ROOM
 NS: Sibrand van Oosten - Thibo Sprinkhuizen
 EW: Weimin Pan - Difan Wang
SPRING
VS
COCONUT
OPEN ROOM
NS: Sibrand van Oosten - Thibo Sprinkhuizen
EW: Weimin Pan - Difan Wang

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 2♥xN ♦J-1 -1 -100  1.5 -300  5 
2 3NTW ♣5-2 -3    +150 4.1 -500  12 
3 2♥xN ♦Q-2 -2 -300  -4.0 -130   5
4 3NTE ♠4+1 +2 -660  -1.9 -630   1
5 3NTS ♠6-1 -1 -100  -2.0 -200  3 
6 3NTW ♠2-1 -1    +100 3.8    +200  3
7 2♥E ♣7-1 -1    +100 4.5    +90 --
8 4♥N ♦K+1 +1    +450 1.2 -50  11 
9 4♠E ♥9= = -620  -2.8 -620  --
10 3NTN ♥5= =    +600 -0.7    +630  1
11 3NTE ♠4+4 +3 -490  7.1 -510  1 
12 4♥E ♠J-3 -2    +100 2.7 -110  5 
13 5♣xW ♠K-4 -4    +1100 13.1    +620 10 
14 2♣S ♦10+1 +1    +110 -1.7    +90 1 
15 2NTS ♠7-1 =    +120 3.4 -100  6 
16 3♥E ♦8+1 +1 -170  3.6 -300  4 
ROUND 3 IMPs: 58 10
VP: 18.97 1.03
1 2♥xN ♦J-1 -1 -100  -300  5
2 3NTW ♣5-2 -3    +150 -500  12
3 2♥xN ♦Q-2 -2 -300  -130  5
4 3NTE ♠4+1 +2 -660  -630  1
5 3NTS ♠6-1 -1 -100  -200  3
6 3NTW ♠2-1 -1    +100    +200 3
7 2♥E ♣7-1 -1    +100    +90 -
8 4♥N ♦K+1 +1    +450 -50  11
9 4♠E ♥9= = -620  -620  -
10 3NTN ♥5= =    +600    +630 1
11 3NTE ♠4+4 +3 -490  -510  1
12 4♥E ♠J-3 -2    +100 -110  5
13 5♣xW ♠K-4 -4    +1100    +620 10
14 2♣S ♦10+1 +1    +110    +90 1
15 2NTS ♠7-1 =    +120 -100  6
16 3♥E ♦8+1 +1 -170  -300  4
ROUND 3 IMPs: 58 10 VP: 18.97 1.03


Round 4  (match scorecard, all results of round 4)
SCOTTISH IMPS
 VS
SPRING
OPEN ROOM
 NS: Bob McKinnon - Cathy Ferguson
 EW: Sibrand van Oosten - Thibo Sprinkhuizen
SCOTTISH IMPS
VS
SPRING
OPEN ROOM
NS: Bob McKinnon - Cathy Ferguson
EW: Sibrand van Oosten - Thibo Sprinkhuizen

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3♦E ♣8= = -110  0.9 -110  --
2 2♠E ♥7-1 -1    +50 -2.8 -100  4 
3 4♣xS ♥5= =    +510 -9.3 -100  12 
4 4♥W ♠K= = -620  1.5 -620  --
5 1NTN ♥3= =    +90 -0.1 -100  5 
6 3NTN ♥K+4 +4    +520 9.0    +940  9
7 4♠xE ♥K+3 +3 -1390  4.9 -1390  --
8 2♠W ♦5-1 -1    +50 -1.2    +50 --
9 3♠E ♥4+1 +1 -170  -0.7 -50   3
10 1NTN ♥7= +2    +150 -1.8    +120 1 
11 5♦W ♣4= -1    +50 -2.0    +100  2
12 3NTW ♠6+2 +2 -460  2.3 -430   1
13 2♥W ♠4+1 +2 -170  -9.0 -400  6 
14 4♥S ♦A= =    +420 -3.2    +400 1 
15 4♥E ♠6-1 = -420  8.5    +50  10
16 3NTW ♥K-1 = -600  5.5 -600  --
ROUND 4 IMPs: 29 25
VP: 11.20 8.80
1 3♦E ♣8= = -110  -110  -
2 2♠E ♥7-1 -1    +50 -100  4
3 4♣xS ♥5= =    +510 -100  12
4 4♥W ♠K= = -620  -620  -
5 1NTN ♥3= =    +90 -100  5
6 3NTN ♥K+4 +4    +520    +940 9
7 4♠xE ♥K+3 +3 -1390  -1390  -
8 2♠W ♦5-1 -1    +50    +50 -
9 3♠E ♥4+1 +1 -170  -50  3
10 1NTN ♥7= +2    +150    +120 1
11 5♦W ♣4= -1    +50    +100 2
12 3NTW ♠6+2 +2 -460  -430  1
13 2♥W ♠4+1 +2 -170  -400  6
14 4♥S ♦A= =    +420    +400 1
15 4♥E ♠6-1 = -420     +50 10
16 3NTW ♥K-1 = -600  -600  -
ROUND 4 IMPs: 29 25 VP: 11.20 8.80


Round 5  (match scorecard, all results of round 5)
SPRING
 VS
SCOTTISH SELECT
OPEN ROOM
 NS: Thibo Sprinkhuizen - Sibrand van Oosten
 EW: Troy Van de L'Isle - Robert Clow
SPRING
VS
SCOTTISH SELECT
OPEN ROOM
NS: Thibo Sprinkhuizen - Sibrand van Oosten
EW: Troy Van de L'Isle - Robert Clow

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 2♦S ♥8-2 -1 -50  -2.3 -50  --
2 2♠N ♣9= -1 -100  -1.5 -100  --
3 4♠S ♦A= =    +420 -0.2    +450  1
4 5♥W ♣A+1 = -650  0.7    +100  13
5 3NTS ♥6= -1 -100  0.9 -100  --
6 4♥E ♣A-2 -1    +100 -1.2    +200  3
7 2♠xS ♥7-2 -2 -500  2.0    +100  12
8 3♥N ♣Q-1 -1 -50  -0.8    +50  3
9 1♥S ♣7+1 -1 -50  -3.9    +100  4
10 4♠W ♥2= -1    +100 10.7 -790  13 
11 4♥N ♣7= =    +420 2.3    +420 --
12 4♣xW ♦8-2 -3    +500 10.2    +100 9 
13 4♠S ♦5+1 +1    +650 -0.1    +680  1
14 4♠W ♥A-2 -2    +100 -1.3    +50 2 
15 2♣S ♣6+1 =    +90 -0.6    +300  5
16 4♠S ♣J= =    +420 8.9 -100  11 
ROUND 5 IMPs: 35 42
VP: 7.97 12.03
1 2♦S ♥8-2 -1 -50  -50  -
2 2♠N ♣9= -1 -100  -100  -
3 4♠S ♦A= =    +420    +450 1
4 5♥W ♣A+1 = -650     +100 13
5 3NTS ♥6= -1 -100  -100  -
6 4♥E ♣A-2 -1    +100    +200 3
7 2♠xS ♥7-2 -2 -500     +100 12
8 3♥N ♣Q-1 -1 -50     +50 3
9 1♥S ♣7+1 -1 -50     +100 4
10 4♠W ♥2= -1    +100 -790  13
11 4♥N ♣7= =    +420    +420 -
12 4♣xW ♦8-2 -3    +500    +100 9
13 4♠S ♦5+1 +1    +650    +680 1
14 4♠W ♥A-2 -2    +100    +50 2
15 2♣S ♣6+1 =    +90    +300 5
16 4♠S ♣J= =    +420 -100  11
ROUND 5 IMPs: 35 42 VP: 7.97 12.03


Round 6  (match scorecard, all results of round 6)
SCOTCH LOVERS
 VS
SPRING
OPEN ROOM
 NS: Cameron McLatchie - Barnet Shenkin
 EW: Thibo Sprinkhuizen - Sibrand van Oosten
SCOTCH LOVERS
VS
SPRING
OPEN ROOM
NS: Cameron McLatchie - Barnet Shenkin
EW: Thibo Sprinkhuizen - Sibrand van Oosten

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♥W ♠7+1 = -420  4.6 -450  1 
2 3NTN ♥7+1 +1    +630 -1.0    +630 --
3 5♦xS ♦3-5 -5 -1100  9.1 -680   9
4 4♥W ♦4-1 -2    +200 -4.1    +100 3 
5 1NTW ♥J= = -90  -2.9 -200  3 
6 3NTS ♠A= =    +400 -9.6    +110 7 
7 1♠S ♣3+4 +4    +200 5.3    +200 --
8 1NT xE ♠Q-1 -1    +100 0.1    +110 --
9 4♣S ♥6+1 +1    +150 3.2    +550  9
10 1NTN ♠8+2 =    +90 3.1    +150  2
11 2♠N ♦A-2 -1 -50  -1.3 -150  3 
12 3NTW ♥6+2 +2 -460  2.0 -460  --
13 4♠W ♣9= = -620  3.3 -620  --
14 2♥S ♣A= =    +110 -1.6 -50  4 
15 5♣xS ♠K-1 -1 -200  4.5    +50  6
16 2♥W ♠3= +1 -140  3.9    +80  6
ROUND 6 IMPs: 21 32
VP: 6.96 13.04
1 4♥W ♠7+1 = -420  -450  1
2 3NTN ♥7+1 +1    +630    +630 -
3 5♦xS ♦3-5 -5 -1100  -680  9
4 4♥W ♦4-1 -2    +200    +100 3
5 1NTW ♥J= = -90  -200  3
6 3NTS ♠A= =    +400    +110 7
7 1♠S ♣3+4 +4    +200    +200 -
8 1NT xE ♠Q-1 -1    +100    +110 -
9 4♣S ♥6+1 +1    +150    +550 9
10 1NTN ♠8+2 =    +90    +150 2
11 2♠N ♦A-2 -1 -50  -150  3
12 3NTW ♥6+2 +2 -460  -460  -
13 4♠W ♣9= = -620  -620  -
14 2♥S ♣A= =    +110 -50  4
15 5♣xS ♠K-1 -1 -200     +50 6
16 2♥W ♠3= +1 -140     +80 6
ROUND 6 IMPs: 21 32 VP: 6.96 13.04


Round 7  (match scorecard, all results of round 7)
SPRING
 VS
MULTI FUN BUSSLOO
OPEN ROOM
 NS: Thibo Sprinkhuizen - Sibrand van Oosten
 EW: Harm Everts - Rieks Mulder
SPRING
VS
MULTI FUN BUSSLOO
OPEN ROOM
NS: Thibo Sprinkhuizen - Sibrand van Oosten
EW: Harm Everts - Rieks Mulder

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 1NTS ♠7= -1 -50  0.3 -50  --
2 4♠N ♦9-2 -1 -100  -0.5 -100  --
3 3♦W ♠7+1 +1 -130  -1.3 -50   2
4 3NTW ♣5+2 +2 -660  -0.1 -660  --
5 3NTE ♠2+2 +2 -460  0.3 -400   2
6 3NTS ♠6-3 -3 -150  -7.0 -150  --
7 4♠W ♥J-1 -1    +100 3.9    +100 --
8 3NTE ♠9+3 +2 -460  0.3 -490  1 
9 6♠N ♦10+1 +1    +1010 10.2    +980 1 
10 3♣E ♠J= = -110  -4.3    +200  7
11 6♠N ♦4= =    +980 7.5    +510 10 
12 1NTN ♣2+1 +1    +120 1.5 -400  11 
13 3NTN ♦4= =    +600 -0.5    +630  1
14 4♠N ♣J+2 +2    +480 -0.5    +460 1 
15 2♠N ♠4-1 -1 -100  -3.1    +140  6
16 4♥N ♦9+1 +1    +450 0.7    +450 --
ROUND 7 IMPs: 24 18
VP: 11.76 8.24
1 1NTS ♠7= -1 -50  -50  -
2 4♠N ♦9-2 -1 -100  -100  -
3 3♦W ♠7+1 +1 -130  -50  2
4 3NTW ♣5+2 +2 -660  -660  -
5 3NTE ♠2+2 +2 -460  -400  2
6 3NTS ♠6-3 -3 -150  -150  -
7 4♠W ♥J-1 -1    +100    +100 -
8 3NTE ♠9+3 +2 -460  -490  1
9 6♠N ♦10+1 +1    +1010    +980 1
10 3♣E ♠J= = -110     +200 7
11 6♠N ♦4= =    +980    +510 10
12 1NTN ♣2+1 +1    +120 -400  11
13 3NTN ♦4= =    +600    +630 1
14 4♠N ♣J+2 +2    +480    +460 1
15 2♠N ♠4-1 -1 -100     +140 6
16 4♥N ♦9+1 +1    +450    +450 -
ROUND 7 IMPs: 24 18 VP: 11.76 8.24


Round 8  (match scorecard, all results of round 8)
MULTI FUN BUSSLOO
 VS
SPRING
OPEN ROOM
 NS: Sinan Tatlicioglu - Burak Baskan
 EW: Sibrand van Oosten - Thibo Sprinkhuizen
MULTI FUN BUSSLOO
VS
SPRING
OPEN ROOM
NS: Sinan Tatlicioglu - Burak Baskan
EW: Sibrand van Oosten - Thibo Sprinkhuizen

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♠E ♦6+2 +1 -450  -0.1 -420   1
2 4♠xS ♥A-2 -6 -1700  16.4    +50  18
3 5♣xW ♥K-1 -1    +200 -6.3    +140 2 
4 2♣xN ♥8-1 -2 -500  12.0    +200  12
5 4♥S ♠K-4 -4 -400  11.0    +150  11
6 3NTE ♦3= = -600  4.3 -180   9
7 2♠W ♦K= -1    +100 -3.5    +100 --
8 4♠S ♣A-2 -2 -100  1.7 -100  --
9 3♦S ♥8-1 =    +110 -4.3 -140  6 
10 4♦N ♥A-2 -2 -200  -1.3 -300  3 
11 3♣N ♦6-2 -2 -100  -0.2 -130  1 
12 2♠N ♣4+2 +2    +170 0.2    +300  4
13 4♠N ♣2-1 -3 -300  9.9    +300  12
14 1♥xE ♠10-1 -2    +300 -5.2    +100 5 
15 2♠xN ♥9= -1 -200  3.4 -110   3
16 4♥W ♣4+1 +1 -650  7.0    +100  13
ROUND 8 IMPs: 17 83
VP: 0.00 20.00
1 4♠E ♦6+2 +1 -450  -420  1
2 4♠xS ♥A-2 -6 -1700     +50 18
3 5♣xW ♥K-1 -1    +200    +140 2
4 2♣xN ♥8-1 -2 -500     +200 12
5 4♥S ♠K-4 -4 -400     +150 11
6 3NTE ♦3= = -600  -180  9
7 2♠W ♦K= -1    +100    +100 -
8 4♠S ♣A-2 -2 -100  -100  -
9 3♦S ♥8-1 =    +110 -140  6
10 4♦N ♥A-2 -2 -200  -300  3
11 3♣N ♦6-2 -2 -100  -130  1
12 2♠N ♣4+2 +2    +170    +300 4
13 4♠N ♣2-1 -3 -300     +300 12
14 1♥xE ♠10-1 -2    +300    +100 5
15 2♠xN ♥9= -1 -200  -110  3
16 4♥W ♣4+1 +1 -650     +100 13
ROUND 8 IMPs: 17 83 VP: 0.00 20.00