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ALT COMPETITION 2026 - EVENT 2

Bridge Base Online, February 23 - 26, 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 15 +18 1.20 22.4 1.49 19%
Dummy 18 +16 0.89 -20.6 -1.15 23%
Defense, player leads 16 +35 2.19 28.3 1.77 20%
Defense, partner leads 31 -40 -1.29 -30.4 -0.98 39%
Total 80 +29 0.36 -0.4 -0.01 100%
OtherDeclared (pair)Best roundWorst round
  33 R3 (+25) R7 (-10)
Card play (DD) (positions where every card gives the same result are not counted)CardsAccurateAcc %Subopt.Tricks lostLost/card
All cards 266 242 90.98% 24 25 0.0940
Opening lead 11 9 81.82% 2 3 0.2727
After the lead — declarer 131 121 92.37% 10 10 0.0763
After the lead — defense 124 112 90.32% 12 12 0.0968

Round 1  (match scorecard, all results of round 1)
BC CRASH
 VS
JUST JUMP
CLOSED ROOM
 NS: Eugenii Kupriianov - Yuliy Chumak
 EW: Robbie de Koster - Jasper Williams
BC CRASH
VS
JUST JUMP
CLOSED ROOM
NS: Eugenii Kupriianov - Yuliy Chumak
EW: Robbie de Koster - Jasper Williams

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3NT xE ♠J-1 = -550  10.6 -50  11 
2 3NTS ♣9+3 +2    +660 -5.1 -200   13
3 4♠S ♣A= =    +420 -6.1    +400  1
4 3NTN ♥4= -1 -100  12.0    +600 12 
5 3♦N ♠8-2 -1 -100  0.9    +50 4 
6 4♥W ♠7-1 -1    +100 -5.0    +100 --
7 3♠S ♦A-1 =    +140 -4.3 -200   8
8 3NTE ♣5+3 +3 -490  -0.1 -490  --
9 6♦E ♣K+1 +1 -1390  3.0 -1390  --
10 4♥xS ♦3= =    +790 -9.2 -200   14
11 4♥W ♠K+2 +2 -480  4.0 -230  6 
12 5♦xS ♥8-2 -2 -500  4.4 -420  2 
13 4♥E ♠J+1 +1 -650  0.5 -650  --
14 2♥xE ♠2-2 -3    +500 -1.6    +400  3
15 3NTW ♦5+1 +1 -430  -0.3 -430  --
16 5♥W ♠K-1 -1    +100 0.3    +650 11 
ROUND 1 IMPs: 46 39
VP: 12.03 7.97
1 3NT xE ♠J-1 = -550  -50  11
2 3NTS ♣9+3 +2    +660 -200  13
3 4♠S ♣A= =    +420    +400 1
4 3NTN ♥4= -1 -100     +600 12
5 3♦N ♠8-2 -1 -100     +50 4
6 4♥W ♠7-1 -1    +100    +100 -
7 3♠S ♦A-1 =    +140 -200  8
8 3NTE ♣5+3 +3 -490  -490  -
9 6♦E ♣K+1 +1 -1390  -1390  -
10 4♥xS ♦3= =    +790 -200  14
11 4♥W ♠K+2 +2 -480  -230  6
12 5♦xS ♥8-2 -2 -500  -420  2
13 4♥E ♠J+1 +1 -650  -650  -
14 2♥xE ♠2-2 -3    +500    +400 3
15 3NTW ♦5+1 +1 -430  -430  -
16 5♥W ♠K-1 -1    +100    +650 11
ROUND 1 IMPs: 46 39 VP: 12.03 7.97


Round 3  (match scorecard, all results of round 3)
SCOTTISH IMPS
 VS
BC CRASH
OPEN ROOM
 NS: Joan Forsyth - Beryl Campbell
 EW: Eva Poppe - Robbie de Koster
SCOTTISH IMPS
VS
BC CRASH
OPEN ROOM
NS: Joan Forsyth - Beryl Campbell
EW: Eva Poppe - Robbie de Koster

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 2♣E ♦6+1 +2 -130  -0.6 -120  --
2 1NTS ♥K+1 =    +90 0.6    +90 --
3 3♠E ♥2-1 -1    +100 -4.0 -110  5 
4 2NTN ♥2= -1 -100  -1.5 -100  --
5 4♥N ♠4= -2 -200  2.7 -100   3
6 2♥N ♣4+1 +1    +140 -1.2    +140 --
7 3NTW ♥4+2 +1 -630  -0.5 -630  --
8 3♠N ♥5+2 +2    +200 6.9    +450  6
9 2♠S ♥2-2 -3 -150  5.5    +110  6
10 2NTN ♥10-1 =    +120 -8.9 -500  12 
11 3NTS ♠2+4 +4    +520 7.6    +1440  14
12 3NTE ♥J+1 +1 -430  10.0    +150  11
13 3NTS ♣9+1 +2    +660 -6.4    +630 1 
14 5♠S ♦A= =    +450 0.8    +450 --
15 4♥W ♦A+1 = -420  -1.1 -420  --
16 1NTS ♥9= -2 -100  3.9 0  3
ROUND 3 IMPs: 18 43
VP: 4.08 15.92
1 2♣E ♦6+1 +2 -130  -120  -
2 1NTS ♥K+1 =    +90    +90 -
3 3♠E ♥2-1 -1    +100 -110  5
4 2NTN ♥2= -1 -100  -100  -
5 4♥N ♠4= -2 -200  -100  3
6 2♥N ♣4+1 +1    +140    +140 -
7 3NTW ♥4+2 +1 -630  -630  -
8 3♠N ♥5+2 +2    +200    +450 6
9 2♠S ♥2-2 -3 -150     +110 6
10 2NTN ♥10-1 =    +120 -500  12
11 3NTS ♠2+4 +4    +520    +1440 14
12 3NTE ♥J+1 +1 -430     +150 11
13 3NTS ♣9+1 +2    +660    +630 1
14 5♠S ♦A= =    +450    +450 -
15 4♥W ♦A+1 = -420  -420  -
16 1NTS ♥9= -2 -100  0 3
ROUND 3 IMPs: 18 43 VP: 4.08 15.92


Round 5  (match scorecard, all results of round 5)
NETBRIDGE
 VS
BC CRASH
OPEN ROOM
 NS: Erwin Witteveen - Kees Rentes
 EW: Robbie de Koster - Onno Eskes
NETBRIDGE
VS
BC CRASH
OPEN ROOM
NS: Erwin Witteveen - Kees Rentes
EW: Robbie de Koster - Onno Eskes

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 6♦E ♣2= = -920  1.3 -980  2 
2 6NTE ♦7+1 = -990  -0.2 -1520  11 
3 3NTS ♣3= -1 -50  4.0    +400  10
4 4♥N ♦10+1 =    +620 -0.5    +650  1
5 3NTS ♣A+1 +1    +630 -3.5    +630 --
6 4♥S ♠9+1 +1    +450 -0.5    +450 --
7 2NTS ♥10+1 +1    +150 2.8 -100  6 
8 3NTE ♦3-2 -2    +100 -3.8    +100 --
9 2♠W ♥Q= = -110  1.9 -110  --
10 3NTE ♦Q= -1    +100 -0.9    +200  3
11 1♠W ♦8+2 +2 -140  3.5 -140  --
12 4♥S ♠K+1 +1    +650 -1.3    +650 --
13 4♥N ♥3-1 -2 -200  3.5 -200  --
14 4♠E ♣10+2 +2 -480  0.1 -400   2
15 4♠S ♣8+1 +1    +650 -0.1    +650 --
16 4♠W ♣J= -1    +100 -6.3    +100 --
ROUND 5 IMPs: 19 16
VP: 10.91 9.09
1 6♦E ♣2= = -920  -980  2
2 6NTE ♦7+1 = -990  -1520  11
3 3NTS ♣3= -1 -50     +400 10
4 4♥N ♦10+1 =    +620    +650 1
5 3NTS ♣A+1 +1    +630    +630 -
6 4♥S ♠9+1 +1    +450    +450 -
7 2NTS ♥10+1 +1    +150 -100  6
8 3NTE ♦3-2 -2    +100    +100 -
9 2♠W ♥Q= = -110  -110  -
10 3NTE ♦Q= -1    +100    +200 3
11 1♠W ♦8+2 +2 -140  -140  -
12 4♥S ♠K+1 +1    +650    +650 -
13 4♥N ♥3-1 -2 -200  -200  -
14 4♠E ♣10+2 +2 -480  -400  2
15 4♠S ♣8+1 +1    +650    +650 -
16 4♠W ♣J= -1    +100    +100 -
ROUND 5 IMPs: 19 16 VP: 10.91 9.09


Round 7  (match scorecard, all results of round 7)
BC CRASH
 VS
MULTI FUN BUSSLOO
OPEN ROOM
 NS: Eva Poppe - Robbie de Koster
 EW: Rene Coppens - Frank van Gorp
BC CRASH
VS
MULTI FUN BUSSLOO
OPEN ROOM
NS: Eva Poppe - Robbie de Koster
EW: Rene Coppens - Frank van Gorp

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 4♦W ♥3= = -130  -1.2    +140  7
2 5♥N ♦Q-1 -1 -100  -5.3 -100  --
3 3NTW ♣6+1 = -600  0.5 -600  --
4 3♥W ♠10-1 = -140  -4.6    +100  6
5 3♣N ♠6-2 -2 -200  -4.1 -100   3
6 5♦xN ♠K-5 -5 -1100  -13.9 -500   12
7 1NTN ♣J-1 +2    +150 5.0 -90  6 
8 4♠N ♥K+1 +1    +450 0.0 -100  11 
9 5♣N ♦3-2 -1 -50  -7.1    +500  11
10 3NTE ♣5-2 -2    +200 8.5 -600  13 
11 1NTE ♠7-1 = -90  -4.3    +110  5
12 3NTS ♠K= =    +600 11.4 -90  12 
13 4♠W ♣5+1 = -620  0.7 -650  1 
14 3♠E ♦2= = -140  -1.6 -140  --
15 1NTE ♠Q+1 +3 -180  -1.9 -120   2
16 3♥W ♠K-1 = -140  -5.9    +130  7
ROUND 7 IMPs: 43 53
VP: 7.20 12.80
1 4♦W ♥3= = -130     +140 7
2 5♥N ♦Q-1 -1 -100  -100  -
3 3NTW ♣6+1 = -600  -600  -
4 3♥W ♠10-1 = -140     +100 6
5 3♣N ♠6-2 -2 -200  -100  3
6 5♦xN ♠K-5 -5 -1100  -500  12
7 1NTN ♣J-1 +2    +150 -90  6
8 4♠N ♥K+1 +1    +450 -100  11
9 5♣N ♦3-2 -1 -50     +500 11
10 3NTE ♣5-2 -2    +200 -600  13
11 1NTE ♠7-1 = -90     +110 5
12 3NTS ♠K= =    +600 -90  12
13 4♠W ♣5+1 = -620  -650  1
14 3♠E ♦2= = -140  -140  -
15 1NTE ♠Q+1 +3 -180  -120  2
16 3♥W ♠K-1 = -140     +130 7
ROUND 7 IMPs: 43 53 VP: 7.20 12.80


Round 8  (match scorecard, all results of round 8)
BC CRASH
 VS
HARRIS
OPEN ROOM
 NS: Robbie de Koster - Eva Poppe
 EW: Steve Root - Niall Igoe
BC CRASH
VS
HARRIS
OPEN ROOM
NS: Robbie de Koster - Eva Poppe
EW: Steve Root - Niall Igoe

BRD # CONT LEAD TR SCORE Butler OTHER HOME AWAY
1 3NTE ♠5= = -400  -0.1 -430  1 
2 6♥W ♦6= = -980  -5.9 -510   10
3 4♠W ♥5-1 -1    +100 5.4    +100 --
4 4♠E ♦7-1 -1    +100 -1.1    +200  3
5 3♥E ♣Q-2 -3    +150 2.5 -100  6 
6 4♠S ♣7+1 +1    +450 4.7    +420 1 
7 3NTE ♥7+2 +1 -630  -0.6 -650  1 
8 6♥xE ♠A-3 -3    +500 1.8    +480 1 
9 6♦E ♠Q= = -1370  -12.7 -660   12
10 4♥E ♦2-1 -2    +200 6.2    +100 3 
11 2♠E ♦J= -1    +50 4.0 -430  10 
12 1NTE ♠5+1 +1 -120  -1.2 -110  --
13 3♠N ♣J-1 -1 -100  -3.5    +110  5
14 2♠E ♠4-3 -2    +100 2.1 -90  5 
15 4♥S ♦4+2 +2    +680 -3.5    +650 1 
16 3NTN ♦3+1 +1    +430 7.3 -100  11 
ROUND 8 IMPs: 40 30
VP: 12.80 7.20
1 3NTE ♠5= = -400  -430  1
2 6♥W ♦6= = -980  -510  10
3 4♠W ♥5-1 -1    +100    +100 -
4 4♠E ♦7-1 -1    +100    +200 3
5 3♥E ♣Q-2 -3    +150 -100  6
6 4♠S ♣7+1 +1    +450    +420 1
7 3NTE ♥7+2 +1 -630  -650  1
8 6♥xE ♠A-3 -3    +500    +480 1
9 6♦E ♠Q= = -1370  -660  12
10 4♥E ♦2-1 -2    +200    +100 3
11 2♠E ♦J= -1    +50 -430  10
12 1NTE ♠5+1 +1 -120  -110  -
13 3♠N ♣J-1 -1 -100     +110 5
14 2♠E ♠4-3 -2    +100 -90  5
15 4♥S ♦4+2 +2    +680    +650 1
16 3NTN ♦3+1 +1    +430 -100  11
ROUND 8 IMPs: 40 30 VP: 12.80 7.20