GROOT Niels de · ZEEROB
101rank
+51.2Butler · 100 bds
+0.51per board
±4.6swing
+0.52vs par /bd · #128/552
+0.34adjusted /bd
by round
vs par split: bidding +0.74 · play -0.18
Strength of schedule: opponents averaged -0.18/bd (an easy draw) → opponent-adjusted +0.34/bd
Card play — on target: opening leads 89.7% #95 of 551 · declarer play 74.3% #248 of 551 · defence 77.5% #465 of 552
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (6) | 95.7% (23) |
| Declarer play | 61.5% (13) | 81.8% (22) |
| Defence | 90.0% (10) | 73.3% (30) |
Opening leads by suit led: ♠ 60.0% (5) · ♥ 88.9% (9) · ♦ 100.0% (6) · ♣ 100.0% (9)
vs par by strain: NT +0.13 (30) · a suit +0.74 (69)
vs par by level: part-score +0.32 (38) · game +0.38 (53) · slam +2.88 (8)
By role: declaring +0.71/bd (-1.08 vs par · 60) · defending +0.22/bd (+2.92 vs par · 40)
By vulnerability: vulnerable +0.87/bd (+1.66 vs par · 50) · not vulnerable +0.15/bd (-0.62 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Stomphorst | P.Pauncz – N.Fossi | Closed | 10 | -4.5 | -0.45 | -0.20 |
| Round 2 | J.Stomphorst | O.Ekinci – Y.Kahyaoglou | Closed | 10 | +3.0 | +0.30 | -1.10 |
| Round 3 | J.Stomphorst | E.Jepsen – D.Bilde | Closed | 10 | +9.4 | +0.94 | -1.60 |
| Round 4 | J.Stomphorst | I.Bareket – A.Lengy | Closed | 10 | -22.9 | -2.29 | -2.60 |
| Round 5 | J.Stomphorst | D.Price – C.Simpson | Closed | 10 | +2.1 | +0.21 | +0.20 |
| Round 6 | J.Stomphorst | BRENU MICHEL – DAMSEAUX ERIC | Closed | 10 | +16.3 | +1.63 | +2.70 |
| Round 7 | J.Stomphorst | A.Battista – M.Gandini | Open | 10 | +1.2 | +0.12 | +1.20 |
| Round 8 | J.Stomphorst | P.Yans – T.Defosse | Closed | 10 | +4.0 | +0.40 | -0.40 |
| Round 9 | J.Stomphorst | S.Ovesen – R.Olsen | Open | 10 | +22.6 | +2.26 | +2.80 |
| Round 10 | J.Stomphorst | A.Arlovich – E.Vainikonis | Closed | 10 | +20.0 | +2.00 | +4.20 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +10.3 | Round 10 | ERA | 10 | 4♥x | ♥5 | = | +14 |
| +10.2 | Round 10 | ERA | 3 | 6♥ | ♣A | -1 | +15 |
| +9.9 | Round 4 | ISRAEL EMERALD | 7 | 3NT | ♠K | = | +10 |
| +9.6 | Round 9 | EL VICTORIOS | 21 | 4♠ | ♣K | = | +10 |
| +8.4 | Round 2 | SANSAR | 12 | 3NT | ♥6 | +1 | +11 |
| +8.3 | Round 9 | EL VICTORIOS | 29 | 4♠ | ♦3 | +1 | +11 |
| +7.8 | Round 3 | TEAM PHARMASERVICE | 27 | 5♣ | ♥10 | = | +0 |
| +7.8 | Round 6 | PERRON 2 | 29 | 4♥ | ♦A | +1 | +0 |
| +7.4 | Round 8 | PERRON | 17 | 4♥ | ♠A | = | +3 |
| +7.3 | Round 8 | PERRON | 13 | 3♦ | ♣A | +1 | +12 |
| +6.4 | Round 5 | MOSSOP | 12 | 3NT | ♣Q | = | +3 |
| +6.3 | Round 1 | PAUNCZ | 1 | 4♥ | ♦J | -1 | +10 |
| +5.7 | Round 2 | SANSAR | 18 | 6NT | ♥6 | = | +0 |
| +5.5 | Round 7 | 4 TOPS | 2 | 3♣ | ♥4 | -3 | +6 |
| +5.5 | Round 10 | ERA | 4 | 3NT | ♣Q | -1 | +12 |
| +5.4 | Round 5 | MOSSOP | 18 | 3NT | ♥6 | -2 | +11 |
| +5.2 | Round 9 | EL VICTORIOS | 26 | 3NT | ♥K | +1 | +4 |
| +5.0 | Round 9 | EL VICTORIOS | 27 | 5♦ | ♣K | +1 | +9 |
| +4.7 | Round 5 | MOSSOP | 19 | 5♣x | ♦8 | +1 | -7 |
| +4.5 | Round 9 | EL VICTORIOS | 23 | 3♠ | ♦K | -2 | +10 |
| +3.9 | Round 6 | PERRON 2 | 23 | 3♠ | ♥7 | -3 | +5 |
| +3.7 | Round 5 | MOSSOP | 11 | 2♠ | ♠2 | -1 | +5 |
| +3.7 | Round 6 | PERRON 2 | 21 | 2NT | ♣6 | -1 | +4 |
| +3.3 | Round 6 | PERRON 2 | 25 | 2♦ | ♣5 | = | +6 |
| +3.2 | Round 10 | ERA | 8 | 2♦ | ♥K | -3 | +1 |
| +3.1 | Round 3 | TEAM PHARMASERVICE | 24 | 2♠ | ♥Q | -1 | +5 |
| +3.0 | Round 1 | PAUNCZ | 5 | 3♠ | ♠4 | -2 | +5 |
| +3.0 | Round 7 | 4 TOPS | 3 | 4♠ | ♣A | = | +0 |
| +2.6 | Round 3 | TEAM PHARMASERVICE | 23 | 5♦ | ♥3 | = | -1 |
| +2.3 | Round 6 | PERRON 2 | 26 | 1NT | ♠A | = | +5 |
| +2.3 | Round 7 | 4 TOPS | 7 | 3♠ | ♦K | = | +0 |
| +2.2 | Round 3 | TEAM PHARMASERVICE | 26 | 3♠ | ♥7 | +1 | -10 |
| +2.2 | Round 9 | EL VICTORIOS | 22 | 6♥ | ♥6 | = | +0 |
| +2.0 | Round 3 | TEAM PHARMASERVICE | 28 | 3♦ | ♠6 | = | -1 |
| +2.0 | Round 9 | EL VICTORIOS | 25 | 2♠ | ♦J | = | +1 |
| +1.9 | Round 2 | SANSAR | 19 | 4♠ | ♦4 | -1 | +6 |
| +1.9 | Round 8 | PERRON | 11 | 3NT | ♦10 | -1 | -5 |
| +1.7 | Round 3 | TEAM PHARMASERVICE | 21 | 4♥ | ♦K | -1 | +5 |
| +1.7 | Round 10 | ERA | 6 | 1NT | ♣Q | -1 | +2 |
| +1.5 | Round 7 | 4 TOPS | 5 | 2♠ | ♣K | +2 | -1 |
| +1.4 | Round 1 | PAUNCZ | 8 | Pass | -3 | ||
| +1.4 | Round 2 | SANSAR | 20 | 5♠ | ♦A | = | +0 |
| +1.3 | Round 4 | ISRAEL EMERALD | 9 | 4♥ | ♥A | +1 | +0 |
| +1.3 | Round 5 | MOSSOP | 13 | 3NT | ♠3 | +1 | -1 |
| +1.3 | Round 8 | PERRON | 16 | 4♥ | ♥6 | = | +0 |
| +1.2 | Round 9 | EL VICTORIOS | 28 | 2♠ | ♦10 | = | +0 |
| +1.1 | Round 3 | TEAM PHARMASERVICE | 30 | 4♥ | ♥J | = | +0 |
| +1.1 | Round 10 | ERA | 2 | 4NT | ♠K | = | +10 |
| +1.0 | Round 6 | PERRON 2 | 22 | 5♣ | ♦J | -1 | +5 |
| +0.7 | Round 8 | PERRON | 15 | 2♥ | ♦K | = | +7 |
| +0.5 | Round 1 | PAUNCZ | 9 | 2♠ | ♣A | -1 | +11 |
| +0.4 | Round 8 | PERRON | 18 | 3♦ | ♣Q | -3 | +0 |
| +0.2 | Round 2 | SANSAR | 13 | 2♠ | ♠A | -2 | -7 |
| +0.2 | Round 5 | MOSSOP | 17 | 3♦ | ♥2 | -2 | -1 |
| +0.1 | Round 1 | PAUNCZ | 3 | 2♥ | ♠2 | = | -1 |
| +0.1 | Round 2 | SANSAR | 16 | 3NT | ♠10 | +1 | -1 |
| -0.0 | Round 6 | PERRON 2 | 24 | 3NT | ♥Q | +1 | -1 |
| -0.0 | Round 7 | 4 TOPS | 9 | 3NT | ♣10 | +1 | -1 |
| -0.1 | Round 4 | ISRAEL EMERALD | 1 | 4♠ | ♣K | +1 | +0 |
| -0.2 | Round 10 | ERA | 7 | 4♥ | ♦7 | = | -1 |
| -0.4 | Round 6 | PERRON 2 | 30 | 6♦ | ♥A | = | -2 |
| -0.6 | Round 4 | ISRAEL EMERALD | 8 | 3♠ | ♣K | -2 | +0 |
| -0.6 | Round 8 | PERRON | 12 | 3NT | ♣2 | +1 | +0 |
| -0.7 | Round 2 | SANSAR | 14 | 3NT | ♥6 | +2 | -1 |
| -0.7 | Round 8 | PERRON | 14 | 2♥ | ♣4 | = | +0 |
| -0.9 | Round 3 | TEAM PHARMASERVICE | 25 | 3NT | ♣6 | = | -2 |
| -1.0 | Round 2 | SANSAR | 11 | 4♠ | ♥Q | = | +0 |
| -1.0 | Round 6 | PERRON 2 | 28 | 6♠ | ♥K | = | +11 |
| -1.0 | Round 7 | 4 TOPS | 8 | 3♠ | ♥A | -1 | -2 |
| -1.3 | Round 7 | 4 TOPS | 4 | 3NT | ♣6 | -1 | +1 |
| -1.4 | Round 1 | PAUNCZ | 6 | 3♥ | ♠K | +2 | +7 |
| -1.6 | Round 7 | 4 TOPS | 1 | 3♦ | ♣2 | -2 | -5 |
| -1.8 | Round 1 | PAUNCZ | 4 | 3♣ | ♥2 | = | -6 |
| -1.9 | Round 1 | PAUNCZ | 7 | 2♣ | ♠K | = | -2 |
| -1.9 | Round 10 | ERA | 1 | 3♦ | ♠K | = | +0 |
| -2.0 | Round 4 | ISRAEL EMERALD | 3 | 4♠ | ♦5 | -1 | -5 |
| -2.5 | Round 2 | SANSAR | 17 | 3NT | ♠2 | +1 | -7 |
| -2.5 | Round 5 | MOSSOP | 16 | 3♥ | ♣8 | = | -7 |
| -2.7 | Round 7 | 4 TOPS | 6 | 3NT | ♦2 | = | +1 |
| -3.2 | Round 5 | MOSSOP | 20 | 6♣ | ♠K | +1 | +13 |
| -3.8 | Round 4 | ISRAEL EMERALD | 6 | 2♠ | ♠2 | -1 | -4 |
| -3.9 | Round 10 | ERA | 5 | 4♥ | ♦Q | = | -1 |
| -4.3 | Round 6 | PERRON 2 | 27 | 4♠ | ♦8 | -2 | -6 |
| -4.5 | Round 7 | 4 TOPS | 10 | 3NT | ♣2 | +2 | +13 |
| -4.7 | Round 3 | TEAM PHARMASERVICE | 29 | 4♥ | ♣6 | -1 | -6 |
| -4.7 | Round 4 | ISRAEL EMERALD | 10 | 4♥ | ♥9 | -1 | -6 |
| -4.8 | Round 9 | EL VICTORIOS | 24 | 3NT | ♠7 | -2 | -5 |
| -4.9 | Round 8 | PERRON | 19 | 3NT | ♠10 | -1 | -10 |
| -5.0 | Round 1 | PAUNCZ | 10 | 2♦x | ♦3 | = | -7 |
| -5.1 | Round 4 | ISRAEL EMERALD | 5 | 6♥ | ♥3 | = | +0 |
| -5.5 | Round 3 | TEAM PHARMASERVICE | 22 | 2♠x | ♣K | -1 | -6 |
| -5.7 | Round 1 | PAUNCZ | 2 | 3NT | ♥4 | +2 | -16 |
| -6.0 | Round 10 | ERA | 9 | 5♣ | ♦5 | -1 | -10 |
| -6.8 | Round 5 | MOSSOP | 14 | 6♣ | ♠2 | -1 | -14 |
| -7.1 | Round 5 | MOSSOP | 15 | 3NT | ♣2 | = | +0 |
| -8.3 | Round 4 | ISRAEL EMERALD | 2 | 1NTx | ♥7 | -2 | -9 |
| -8.8 | Round 8 | PERRON | 20 | 2♠ | ♥K | -1 | -11 |
| -9.5 | Round 4 | ISRAEL EMERALD | 4 | 3NT | ♠10 | -1 | -12 |
| -10.5 | Round 2 | SANSAR | 15 | 3NTx | ♣A | -2 | -12 |
| -10.6 | Round 9 | EL VICTORIOS | 30 | 4♠x | ♠K | -3 | -12 |