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ALT COMPETITION 2026 - EVENT 1

Bridge Base Online, January 19 - 22, 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

Robbie de Koster

All-tournaments history →
BBO nickname: robbiedk WBF: 203249

Robbie DE KOSTER
Country: Netherlands
WBF: NED10666701 (203249)

Tournament statistics
 BoardsIMPsIMP/bdButlerButl/bd% bds
Declarer 11 -8 -0.73 -7.7 -0.70 23%
Dummy 14 +28 2.00 22.9 1.64 29%
Defense, player leads 10 -15 -1.50 -2.6 -0.26 21%
Defense, partner leads 13 +43 3.31 21.7 1.67 27%
Total 48 +48 1.00 34.3 0.71 100%
OtherDeclared (pair)Best roundWorst round
  25 R1 (+59) R5 (-17)
Card play (DD) (positions where every card gives the same result are not counted)CardsAccurateAcc %Subopt.Tricks lostLost/card
All cards 158 140 88.61% 18 20 0.1266
Opening lead 10 6 60.00% 4 5 0.5000
After the lead — declarer 85 76 89.41% 9 9 0.1059
After the lead — defense 63 58 92.06% 5 6 0.0952

Round 1  (match scorecard, all results of round 1)
BC CRASH
 VS
SCOTCH LOVERS
CLOSED ROOM
 NS: David Shenkin - Cameron McLatchie
 EW: Eva Poppe - Robbie de Koster
BC CRASH
VS
SCOTCH LOVERS
CLOSED ROOM
NS: David Shenkin - Cameron McLatchie
EW: Eva Poppe - Robbie de Koster

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♥E ♣2+1 +1 -450  1.9 -450  --
2 4♦S ♥3+1 =    +130 -4.5 -100   6
3 6♦N ♣7-2 -2 -100  11.0    +400 11 
4 2♠W ♦J= = -110  0.1 -110  --
5 3NTN ♠5= +2    +660 -3.0    +630  1
6 2NTN ♦3+3 +2    +180 6.7    +400 6 
7 3♥W ♣5-1 = -140  1.5    +110 6 
8 3♥S ♠7= -2 -100  1.1 0 3 
9 4♠N ♣J-2 -1 -50  2.1    +80 4 
10 2♦E ♣5+1 +2 -130  2.3    +100 6 
11 6♦N ♥A+1 +1    +940 -2.3    +1440 11 
12 3♠E ♦10-2 = -140  3.7    +100 6 
13 5♠xE ♦K-3 -2    +500 1.9    +620 3 
14 6♦S ♣2-1 -1 -50  8.2    +400 10 
15 6♥xE ♦4-1 -1    +100 -9.7 -420   11
16 6♣N ♥J-1 -1 -50  8.1    +450 11 
ROUND 1 IMPs: 77 18
VP: 19.93 0.07
1 4♥E ♣2+1 +1 -450  -450  -
2 4♦S ♥3+1 =    +130 -100  6
3 6♦N ♣7-2 -2 -100     +400 11
4 2♠W ♦J= = -110  -110  -
5 3NTN ♠5= +2    +660    +630 1
6 2NTN ♦3+3 +2    +180    +400 6
7 3♥W ♣5-1 = -140     +110 6
8 3♥S ♠7= -2 -100  0 3
9 4♠N ♣J-2 -1 -50     +80 4
10 2♦E ♣5+1 +2 -130     +100 6
11 6♦N ♥A+1 +1    +940    +1440 11
12 3♠E ♦10-2 = -140     +100 6
13 5♠xE ♦K-3 -2    +500    +620 3
14 6♦S ♣2-1 -1 -50     +400 10
15 6♥xE ♦4-1 -1    +100 -420  11
16 6♣N ♥J-1 -1 -50     +450 11
ROUND 1 IMPs: 77 18 VP: 19.93 0.07


Round 2  (match scorecard, all results of round 2)
BC CRASH
 VS
FREDIN
CLOSED ROOM
 NS: Peter Fredin - Hong Ding
 EW: Eva Poppe - Robbie de Koster
BC CRASH
VS
FREDIN
CLOSED ROOM
NS: Peter Fredin - Hong Ding
EW: Eva Poppe - Robbie de Koster

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♠W ♣6+1 = -420  3.1 -450   1
2 5♥xE ♦K-2 -1    +100 -7.7 -590   12
3 1NTN ♥2+1 +1    +120 0.3    +120 --
4 4♠W ♥A+2 +1 -650  0.1 -680   1
5 6♠xW ♥6-2 -2    +300 8.3    +710 9 
6 4♠W ♦4+2 = -620  6.1    +100 12 
7 4♥E ♦6-1 = -620  5.9    +100 12 
8 5♥E ♣6= = -450  0.9 -480   1
9 4♠E ♣5= = -620  8.3 -620  --
10 4♦N ♥5-1 -1 -100  -3.9 -500   9
11 4♠S ♦5-1 -1 -50  2.7 -50  --
12 2NTN ♦K= -1 -100  1.7    +300 9 
13 4♥N ♠K= +1    +650 -2.3    +620  1
14 2♠S ♥Q+1 =    +110 0.3    +140 1 
15 4♠xW ♥K-1 -3    +500 -8.2 -200   12
16 2♠N ♣Q+1 +1    +140 -1.4    +140 --
ROUND 2 IMPs: 43 37
VP: 11.76 8.24
1 4♠W ♣6+1 = -420  -450  1
2 5♥xE ♦K-2 -1    +100 -590  12
3 1NTN ♥2+1 +1    +120    +120 -
4 4♠W ♥A+2 +1 -650  -680  1
5 6♠xW ♥6-2 -2    +300    +710 9
6 4♠W ♦4+2 = -620     +100 12
7 4♥E ♦6-1 = -620     +100 12
8 5♥E ♣6= = -450  -480  1
9 4♠E ♣5= = -620  -620  -
10 4♦N ♥5-1 -1 -100  -500  9
11 4♠S ♦5-1 -1 -50  -50  -
12 2NTN ♦K= -1 -100     +300 9
13 4♥N ♠K= +1    +650    +620 1
14 2♠S ♥Q+1 =    +110    +140 1
15 4♠xW ♥K-1 -3    +500 -200  12
16 2♠N ♣Q+1 +1    +140    +140 -
ROUND 2 IMPs: 43 37 VP: 11.76 8.24


Round 5  (match scorecard, all results of round 5)
BC CRASH
 VS
ULI
CLOSED ROOM
 NS: Walter Schuster - Federico Primavera
 EW: Robbie de Koster - Chris Westerbeek
BC CRASH
VS
ULI
CLOSED ROOM
NS: Walter Schuster - Federico Primavera
EW: Robbie de Koster - Chris Westerbeek

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♥N ♠K= =    +420 -2.1    +420 --
2 4♥xN ♠A-2 -2 -500  8.5    +100 12 
3 5♣S ♥5-1 -2 -100  5.6    +200 7 
4 3♥E ♠A= = -140  2.5 -100  1 
5 3NTW ♦5-1 = -400  5.5 -200  5 
6 1NTW ♠K= = -90  1.0    +100 5 
7 4♥N ♠K+1 =    +620 -9.7 -100   12
8 2NTS ♦5= =    +120 -0.8 -50   5
9 2♣E ♣5+2 +2 -130  0.7 -130  --
10 4♠N ♥10= =    +620 -2.1    +170  10
11 3NTE ♣2-1 -1    +50 -9.7 -420   10
12 4♥N ♠4+2 +1    +650 -5.1 -200   13
13 4♠W ♦2-1 -1    +100 -1.0    +800 12 
14 3♥W ♠2-1 -1    +50 4.9    +170 3 
15 3NTW ♣8+1 +1 -430  4.9 -430  --
16 6♥E ♠K-1 -1    +100 -12.2 -600   12
ROUND 5 IMPs: 45 62
VP: 5.61 14.39
1 4♥N ♠K= =    +420    +420 -
2 4♥xN ♠A-2 -2 -500     +100 12
3 5♣S ♥5-1 -2 -100     +200 7
4 3♥E ♠A= = -140  -100  1
5 3NTW ♦5-1 = -400  -200  5
6 1NTW ♠K= = -90     +100 5
7 4♥N ♠K+1 =    +620 -100  12
8 2NTS ♦5= =    +120 -50  5
9 2♣E ♣5+2 +2 -130  -130  -
10 4♠N ♥10= =    +620    +170 10
11 3NTE ♣2-1 -1    +50 -420  10
12 4♥N ♠4+2 +1    +650 -200  13
13 4♠W ♦2-1 -1    +100    +800 12
14 3♥W ♠2-1 -1    +50    +170 3
15 3NTW ♣8+1 +1 -430  -430  -
16 6♥E ♠K-1 -1    +100 -600  12
ROUND 5 IMPs: 45 62 VP: 5.61 14.39