ALT-OCBL Grand Final 2025
Bridge Base Online, December 22 - 23, 2025
Results produced by bridgeresults.org
Results of round:
Board details:
Robbie de Koster
| Tournament statistics | ||||||
|---|---|---|---|---|---|---|
| Boards | IMPs | IMP/bd | Butler | Butl/bd | % bds | |
| Declarer | 6 | -4 | -0.67 | -4.5 | -0.74 | 20% |
| Dummy | 6 | -16 | -2.67 | -27.5 | -4.58 | 20% |
| Defense, player leads | 7 | -18 | -2.57 | -10.6 | -1.52 | 23% |
| Defense, partner leads | 11 | -38 | -3.45 | -30.5 | -2.77 | 37% |
| Total | 30 | -76 | -2.53 | -73.0 | -2.43 | 100% |
| Other | Declared (pair) | Best round | Worst round | |||
| 12 | R8 (+11) | R7 (-67) | ||||
| Card play (DD) (positions where every card gives the same result are not counted) | Cards | Accurate | Acc % | Subopt. | Tricks lost | Lost/card |
| All cards | 76 | 66 | 86.84% | 10 | 10 | 0.1316 |
| Opening lead | 3 | 1 | 33.33% | 2 | 2 | 0.6667 |
| After the lead — declarer | 40 | 37 | 92.50% | 3 | 3 | 0.0750 |
| After the lead — defense | 33 | 28 | 84.85% | 5 | 5 | 0.1515 |
|
VS |
| ||||
| CLOSED ROOM | ||||||
| NS: Eva Poppe - Robbie de Koster | ||||||
| EW: Ofek Sabbah - Yonatan Sliwowicz | ||||||
| BRD # | CONT | LEAD | TR | SCORE | Butler | OTHER | HOME | AWAY |
|---|---|---|---|---|---|---|---|---|
| 1 | 2♠xS | ♥3-2 | -2 | -300 | -5.8 | -300 | - | - |
| 2 | 3♦E | ♣3+1 | = | -110 | 0.3 | +50 | 4 | |
| 3 | 3♣W | ♥6+2 | +2 | -150 | 1.0 | -120 | 1 | |
| 4 | 4♠N | ♥K-1 | -1 | -100 | -2.8 | +100 | 5 | |
| 5 | 3NTE | ♠A+3 | +2 | -460 | -4.0 | -200 | 6 | |
| 6 | 1NTW | ♦Q= | = | -90 | 1.0 | -90 | - | - |
| 7 | 2♠S | ♥2-1 | -1 | -100 | -2.0 | +110 | 5 | |
| 8 | 4♥E | ♦K+1 | +1 | -450 | -5.2 | -420 | 1 | |
| 9 | 3♥E | ♦2+1 | +1 | -170 | 0.8 | -140 | 1 | |
| 10 | 5♣N | ♥K-1 | -1 | -100 | -3.1 | -200 | 3 | |
| ROUND 4 | IMPs: | 23 | 3 | |||||
| VP: | 15.97 | 4.03 | ||||||
|
VS |
| ||||
| CLOSED ROOM | ||||||
| NS: Bas van Roosmalen - Erik Goris | ||||||
| EW: Robbie de Koster - Eva Poppe | ||||||
| BRD # | CONT | LEAD | TR | SCORE | Butler | OTHER | HOME | AWAY |
|---|---|---|---|---|---|---|---|---|
| 1 | 4♠W | ♦7-1 | -2 | +100 | -0.1 | +50 | 2 | |
| 2 | 3♣S | ♥4= | +1 | +130 | -0.5 | +140 | - | - |
| 3 | 5♦xS | ♠5-1 | = | +550 | -10.5 | -50 | 12 | |
| 4 | 4♠S | ♥6+1 | +1 | +650 | -2.8 | -200 | 13 | |
| 5 | 4♠E | ♦K= | -1 | +50 | -7.8 | -420 | 10 | |
| 6 | 3♥E | ♦K-1 | -1 | +100 | -2.8 | -110 | 5 | |
| 7 | 5♣N | ♠3= | = | +600 | -7.0 | -600 | 15 | |
| 8 | 6♥S | ♦2= | = | +980 | -8.8 | +510 | 10 | |
| 9 | 2♠W | ♥10+2 | +3 | -200 | -8.5 | -170 | 1 | |
| 10 | 4♥N | ♣3+2 | +2 | +680 | 0.5 | +650 | 1 | |
| ROUND 7 | IMPs: | 1 | 68 | |||||
| VP: | 0.00 | 20.00 | ||||||
|
VS |
| ||||
| CLOSED ROOM | ||||||
| NS: Martin Cantor - Peter Lund | ||||||
| EW: Robbie de Koster - Eva Poppe | ||||||
| BRD # | CONT | LEAD | TR | SCORE | Butler | OTHER | HOME | AWAY |
|---|---|---|---|---|---|---|---|---|
| 1 | 4♦S | ♣4-2 | -2 | -100 | 1.8 | +100 | 5 | |
| 2 | 5♦xE | ♠J-2 | -2 | +300 | 5.5 | +300 | - | - |
| 3 | 2♠S | ♠K-2 | = | +110 | -3.5 | -50 | 4 | |
| 4 | 3♠N | ♥K+2 | = | +140 | 4.0 | +620 | 10 | |
| 5 | 2♠E | ♠A-3 | -2 | +100 | 8.4 | +1400 | 16 | |
| 6 | 3♣S | ♠A= | +1 | +130 | -2.8 | +110 | 1 | |
| 7 | 3NTS | ♣J+2 | +3 | +690 | -1.7 | +660 | 1 | |
| 8 | 1♣W | ♣5+1 | +1 | -90 | -0.3 | -120 | 1 | |
| 9 | 4♥S | ♣2= | = | +420 | -3.7 | +400 | 1 | |
| 10 | 3♣xW | ♥2-3 | -3 | +800 | -12.6 | +110 | 12 | |
| ROUND 8 | IMPs: | 31 | 20 | |||||
| VP: | 13.72 | 6.28 | ||||||
