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ALT COMPETITION 2026 - EVENT 4

Bridge Base Online, April 20 - 23, 2026

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

Friso Zwerver

All-tournaments history →
BBO nickname: frisoz WBF: 5694

Friso ZWERVER
Country: Netherlands
WBF: NED9980011 (5694)

Tournament statistics
 BoardsIMPsIMP/bdButlerButl/bd% bds
Declarer 22 +34 1.55 8.5 0.38 28%
Dummy 30 +3 0.10 2.2 0.07 38%
Defense, player leads 14 +5 0.36 -18.5 -1.32 18%
Defense, partner leads 14 +22 1.57 5.4 0.38 18%
Total 80 +64 0.80 -2.5 -0.03 100%
OtherDeclared (pair)Best roundWorst round
  52 R8 (+61) R4 (-38)
Card play (DD) (positions where every card gives the same result are not counted)CardsAccurateAcc %Subopt.Tricks lostLost/card
All cards 250 227 90.80% 23 26 0.1040
Opening lead 11 8 72.73% 3 4 0.3636
After the lead — declarer 168 158 94.05% 10 11 0.0655
After the lead — defense 71 61 85.92% 10 11 0.1549

Round 1  (match scorecard, all results of round 1)
BC CRASH
 VS
HARRIS
CLOSED ROOM
 NS: Jonathan Harris - Marusa Gold
 EW: Sibrand van Oosten - Friso Zwerver
BC CRASH
VS
HARRIS
CLOSED ROOM
NS: Jonathan Harris - Marusa Gold
EW: Sibrand van Oosten - Friso Zwerver

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 5♠xE ♥A-1 -1    +100 -4.1    +100 --
2 6♠S ♣10= =    +1430 -3.5    +1430 --
3 2NTS ♦A= +1    +150 -2.8 -150   7
4 2♣E ♠3+3 +3 -150  1.6 -150  --
5 3NTE ♦4= +2 -460  1.7 -400  2 
6 1NTS ♦K+1 +2    +150 -2.1 -50   5
7 4♥W ♣3-1 -1    +100 -4.5 -140   6
8 3NTW ♥J= = -400  4.9    +50 10 
9 1NTS ♥3= -2 -100  1.6 -50  2 
10 3♣E ♣7+1 = -110  -0.7 -130   1
11 3♥N ♦K= -1 -50  2.4 -50  --
12 3♥E ♦8+1 +2 -200  0.9 -420   6
13 2♠S ♦A+2 +3    +200 -1.0    +620 9 
14 6NT xS ♣J-2 -2 -300  4.8 -100  5 
15 4♠E ♣A= = -420  0.0 -420  --
16 4♠E ♥A+1 +2 -680  -0.6 -650  1 
ROUND 1 IMPs: 29 25
VP: 11.20 8.80
1 5♠xE ♥A-1 -1    +100    +100 -
2 6♠S ♣10= =    +1430    +1430 -
3 2NTS ♦A= +1    +150 -150  7
4 2♣E ♠3+3 +3 -150  -150  -
5 3NTE ♦4= +2 -460  -400  2
6 1NTS ♦K+1 +2    +150 -50  5
7 4♥W ♣3-1 -1    +100 -140  6
8 3NTW ♥J= = -400     +50 10
9 1NTS ♥3= -2 -100  -50  2
10 3♣E ♣7+1 = -110  -130  1
11 3♥N ♦K= -1 -50  -50  -
12 3♥E ♦8+1 +2 -200  -420  6
13 2♠S ♦A+2 +3    +200    +620 9
14 6NT xS ♣J-2 -2 -300  -100  5
15 4♠E ♣A= = -420  -420  -
16 4♠E ♥A+1 +2 -680  -650  1
ROUND 1 IMPs: 29 25 VP: 11.20 8.80


Round 2  (match scorecard, all results of round 2)
ULI
 VS
BC CRASH
OPEN ROOM
 NS: Walter Schuster - Federico Primavera
 EW: Onno Eskes - Friso Zwerver
ULI
VS
BC CRASH
OPEN ROOM
NS: Walter Schuster - Federico Primavera
EW: Onno Eskes - Friso Zwerver

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3NTW ♠9-1 -1    +50 -4.2    +50 --
2 3NTW ♥4-1 = -400  7.1    +50  10
3 4♠S ♠7+1 +1    +450 -5.0    +450 --
4 3♥N ♠8+1 +1    +170 -1.7    +170 --
5 2♠W ♥8= +1 -140  3.3    +50  5
6 3♦S ♣5+1 -1 -50  1.1 -100  2 
7 4♠E ♠4= = -620  2.5 -650  1 
8 3NTE ♥7+3 +3 -490  -1.1 -490  --
9 4♥E ♦10+1 = -620  1.0 -600   1
10 4♠E ♦3+1 +1 -650  0.1 -650  --
11 4♥N ♦4= =    +420 0.5    +420 --
12 4♠E ♦5= = -420  0.1 -420  --
13 3♠N ♥4-1 +1    +170 -3.8    +200  1
14 3NTE ♦Q+3 +1 -430  -1.8 -430  --
15 2♥W ♣2+2 +2 -170  -2.4 -420  6 
16 3NTW ♠Q+1 +1 -630  0.4 -660  1 
ROUND 2 IMPs: 10 17
VP: 7.97 12.03
1 3NTW ♠9-1 -1    +50    +50 -
2 3NTW ♥4-1 = -400     +50 10
3 4♠S ♠7+1 +1    +450    +450 -
4 3♥N ♠8+1 +1    +170    +170 -
5 2♠W ♥8= +1 -140     +50 5
6 3♦S ♣5+1 -1 -50  -100  2
7 4♠E ♠4= = -620  -650  1
8 3NTE ♥7+3 +3 -490  -490  -
9 4♥E ♦10+1 = -620  -600  1
10 4♠E ♦3+1 +1 -650  -650  -
11 4♥N ♦4= =    +420    +420 -
12 4♠E ♦5= = -420  -420  -
13 3♠N ♥4-1 +1    +170    +200 1
14 3NTE ♦Q+3 +1 -430  -430  -
15 2♥W ♣2+2 +2 -170  -420  6
16 3NTW ♠Q+1 +1 -630  -660  1
ROUND 2 IMPs: 10 17 VP: 7.97 12.03


Round 3  (match scorecard, all results of round 3)
BC CRASH
 VS
GREENBERG
CLOSED ROOM
 NS: Mustafa Cem Tokay - Ted Greenberg
 EW: Sibrand van Oosten - Friso Zwerver
BC CRASH
VS
GREENBERG
CLOSED ROOM
NS: Mustafa Cem Tokay - Ted Greenberg
EW: Sibrand van Oosten - Friso Zwerver

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♥N ♥5-2 -1 -50  1.0 -100   2
2 3NT xN ♥6-3 -2 -500  7.7 -100  9 
3 4♠W ♥K+3 +2 -680  7.5 -100  11 
4 2♠E ♥3-1 -1    +100 -2.3    +100 --
5 2♥S ♦K+3 +2    +170 1.9    +620 10 
6 3NTE ♥2+1 +1 -630  2.5 -600  1 
7 1NTW ♠2= = -90  1.2 -100  --
8 4♠W ♥J-1 -1    +50 -1.3 -140   5
9 4♠W ♥6+2 +3 -710  8.6    +200 14 
10 2♠W ♦5= = -110  1.5 -200   3
11 4♥W ♦5+2 +2 -480  -3.9 -980   11
12 4♦S ♥7-2 =    +130 -2.0    +130 --
13 1♣N ♥5-1 -1 -100  2.7    +110 5 
14 4♥E ♣K+1 +1 -450  0.5 -450  --
15 4♥W ♦2+1 +1 -450  0.5 -420  1 
16 7♥N ♦5= =    +1510 -8.1    +1510 --
ROUND 3 IMPs: 51 21
VP: 16.73 3.27
1 4♥N ♥5-2 -1 -50  -100  2
2 3NT xN ♥6-3 -2 -500  -100  9
3 4♠W ♥K+3 +2 -680  -100  11
4 2♠E ♥3-1 -1    +100    +100 -
5 2♥S ♦K+3 +2    +170    +620 10
6 3NTE ♥2+1 +1 -630  -600  1
7 1NTW ♠2= = -90  -100  -
8 4♠W ♥J-1 -1    +50 -140  5
9 4♠W ♥6+2 +3 -710     +200 14
10 2♠W ♦5= = -110  -200  3
11 4♥W ♦5+2 +2 -480  -980  11
12 4♦S ♥7-2 =    +130    +130 -
13 1♣N ♥5-1 -1 -100     +110 5
14 4♥E ♣K+1 +1 -450  -450  -
15 4♥W ♦2+1 +1 -450  -420  1
16 7♥N ♦5= =    +1510    +1510 -
ROUND 3 IMPs: 51 21 VP: 16.73 3.27


Round 4  (match scorecard, all results of round 4)
IRISH OPEN
 VS
BC CRASH
OPEN ROOM
 NS: Tom Hanlon - Conor Boland
 EW: Sibrand van Oosten - Friso Zwerver
IRISH OPEN
VS
BC CRASH
OPEN ROOM
NS: Tom Hanlon - Conor Boland
EW: Sibrand van Oosten - Friso Zwerver

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3NTW ♠4+4 +2 -460  -0.8 -520  2 
2 5♦xE ♠K-4 -4    +800 -3.0    +800 --
3 1NTE ♣J-1 -1    +100 -0.8    +100 --
4 4♠E ♥K+3 = -620  0.5 -620  --
5 5♦xW ♥6-2 -2    +300 -2.0    +300 --
6 4♥N ♣10+1 +1    +450 0.6    +450 --
7 2♠E ♥6+2 +2 -170  -2.1 -170  --
8 4♥W ♠6= = -420  0.5 -450  1 
9 3NTE ♠6+2 +3 -690  -0.1 -1400  12 
10 4♥N ♦7-1 -1 -100  -1.3 -100  --
11 4♠E ♦10+1 +1 -450  -0.2 -450  --
12 1♣E ♦K+1 +1 -90  0.1 -90  --
13 1NTS ♣A-2 =    +90 -6.3 -200  7 
14 6♦E ♠K-1 -1    +50 -7.5 -550  12 
15 4♠S ♥8= =    +620 -0.7    +620 --
16 4♥W ♣A-1 -1    +100 -6.6 -50  4 
ROUND 4 IMPs: 38 0
VP: 17.85 2.15
1 3NTW ♠4+4 +2 -460  -520  2
2 5♦xE ♠K-4 -4    +800    +800 -
3 1NTE ♣J-1 -1    +100    +100 -
4 4♠E ♥K+3 = -620  -620  -
5 5♦xW ♥6-2 -2    +300    +300 -
6 4♥N ♣10+1 +1    +450    +450 -
7 2♠E ♥6+2 +2 -170  -170  -
8 4♥W ♠6= = -420  -450  1
9 3NTE ♠6+2 +3 -690  -1400  12
10 4♥N ♦7-1 -1 -100  -100  -
11 4♠E ♦10+1 +1 -450  -450  -
12 1♣E ♦K+1 +1 -90  -90  -
13 1NTS ♣A-2 =    +90 -200  7
14 6♦E ♠K-1 -1    +50 -550  12
15 4♠S ♥8= =    +620    +620 -
16 4♥W ♣A-1 -1    +100 -50  4
ROUND 4 IMPs: 38 0 VP: 17.85 2.15


Round 8  (match scorecard, all results of round 8)
BC CRASH
 VS
SCOTTISH IMPS
CLOSED ROOM
 NS: Pete Moss - Tom Robertson
 EW: Friso Zwerver - Ed Hoogenkamp
BC CRASH
VS
SCOTTISH IMPS
CLOSED ROOM
NS: Pete Moss - Tom Robertson
EW: Friso Zwerver - Ed Hoogenkamp

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 2♣S ♣6+2 +2    +130 -1.5    +130 --
2 3NTS ♠3+3 +2    +660 -0.4    +620  1
3 3NTN ♦6+1 +1    +430 -1.1    +430 --
4 3NTW ♥Q-1 -1    +100 1.1    +200 3 
5 4♠W ♦2-1 -1    +50 -4.2    +50 --
6 3NT xS ♥A-3 -3 -500  8.8 -50  10 
7 4♥W ♠K-1 = -620  7.5    +100 12 
8 4♠N ♦4= =    +420 -3.5    +420 --
9 3♥E ♠Q= -1    +100 -3.3    +160 2 
10 5♦E ♠3+1 +1 -620  -3.7 -690   2
11 4♠W ♣5= = -420  7.0 -450   1
12 4♠E ♠9+3 +1 -450  1.4    +50 11 
13 4♠W ♥3= = -620  3.4    +200 13 
14 3♠S ♥J-2 -2 -100  -1.6 -100  --
15 4♥E ♦K= = -420  4.4    +100 11 
16 3♥W ♥4= -1    +100 0.0    +200 3 
ROUND 8 IMPs: 65 4
VP: 20.00 0.00
1 2♣S ♣6+2 +2    +130    +130 -
2 3NTS ♠3+3 +2    +660    +620 1
3 3NTN ♦6+1 +1    +430    +430 -
4 3NTW ♥Q-1 -1    +100    +200 3
5 4♠W ♦2-1 -1    +50    +50 -
6 3NT xS ♥A-3 -3 -500  -50  10
7 4♥W ♠K-1 = -620     +100 12
8 4♠N ♦4= =    +420    +420 -
9 3♥E ♠Q= -1    +100    +160 2
10 5♦E ♠3+1 +1 -620  -690  2
11 4♠W ♣5= = -420  -450  1
12 4♠E ♠9+3 +1 -450     +50 11
13 4♠W ♥3= = -620     +200 13
14 3♠S ♥J-2 -2 -100  -100  -
15 4♥E ♦K= = -420     +100 11
16 3♥W ♥4= -1    +100    +200 3
ROUND 8 IMPs: 65 4 VP: 20.00 0.00