GROENENBOOM Merijn · HET WITTE 2
321rank
+7.6Butler · 90 bds
+0.08per board
±3.6swing
+0.23vs par /bd · #252/695
+0.30adjusted /bd
by round
vs par split: bidding +0.29 · play -0.06
Strength of schedule: opponents averaged +0.21/bd (a tough draw) → opponent-adjusted +0.30/bd
Card play — on target: opening leads 84.2% #187 of 694 · declarer play 59.1% #665 of 694 · defence 87.5% #180 of 695
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 83.3% (6) | 84.6% (13) |
| Declarer play | 33.3% (6) | 68.8% (16) |
| Defence | 84.6% (13) | 88.6% (35) |
Opening leads by suit led: ♠ 87.5% (8) · ♥ 80.0% (5) · ♣ 83.3% (6)
vs par by strain: NT -0.66 (29) · a suit +0.66 (61)
vs par by level: part-score +0.57 (30) · game +0.07 (58) · slam +0.00 (2)
By role: declaring +0.11/bd (-3.00 vs par · 42) · defending +0.06/bd (+3.06 vs par · 48)
By vulnerability: vulnerable +0.76/bd (-0.05 vs par · 43) · not vulnerable -0.53/bd (+0.49 vs par · 47)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | B.Drijver | P.Mcleish – D.Mcleish | Open | 10 | +8.6 | +0.86 | +1.50 |
| Round 2 | B.Drijver | M.Lesniewski – A.Jaszczak | Open | 10 | -2.9 | -0.29 | -0.10 |
| Round 8 | B.Drijver | J.Lobstein – E.Krist | Open | 10 | +14.9 | +1.49 | +3.80 |
| Round 9 | B.Drijver | J.Baldursson – T.Jonsson | Open | 10 | +9.7 | +0.97 | +0.70 |
| Round 10 | B.Drijver | F.Karwur – J.George | Open | 10 | -29.4 | -2.94 | -3.90 |
| Round 11 | B.Drijver | K.Ormay – R.Vermeiren | Open | 10 | +6.1 | +0.61 | +3.20 |
| Round 13 | B.Drijver | D.Bilde – H.Graversen | Open | 10 | +3.3 | +0.33 | -0.80 |
| Round 14 | B.Drijver | T.Nunn – S.Hans | Open | 10 | -6.4 | -0.64 | -1.80 |
| Round 15 | B.Drijver | A.Birman – D.Padon | Open | 10 | +3.7 | +0.37 | -0.50 |
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 11 | THE HONBEL SHOCK | 19 | 4♠ | ♦J | -2 | +14 |
| +8.5 | Round 1 | GOLD COAST AUSTRALIA | 10 | 4♠ | ♥K | = | +10 |
| +7.6 | Round 11 | THE HONBEL SHOCK | 17 | 4♥ | ♣K | = | +8 |
| +6.3 | Round 13 | DENMARK | 2 | 2♠ | ♣10 | = | +12 |
| +5.8 | Round 9 | ICELAND | 23 | 4♥ | ♠J | = | +0 |
| +5.7 | Round 8 | ZEEROB WIT | 19 | 4♠ | ♣10 | -3 | +9 |
| +5.2 | Round 8 | ZEEROB WIT | 12 | 5♦x | ♥3 | -3 | +8 |
| +4.8 | Round 8 | ZEEROB WIT | 11 | 3NT | ♠5 | -2 | +6 |
| +4.4 | Round 1 | GOLD COAST AUSTRALIA | 5 | 4♣ | ♠2 | -1 | +4 |
| +4.4 | Round 9 | ICELAND | 26 | 4♥ | ♦9 | -1 | +17 |
| +4.3 | Round 8 | ZEEROB WIT | 16 | 3NT | ♠5 | -2 | +12 |
| +3.7 | Round 10 | INDONESIA | 7 | 4♣ | ♥A | -3 | +4 |
| +3.7 | Round 14 | OZ OPEN | 16 | 5♦ | ♥A | = | +3 |
| +3.2 | Round 9 | ICELAND | 25 | 3♥ | ♥A | -1 | +5 |
| +3.2 | Round 14 | OZ OPEN | 12 | 5♣ | ♠4 | -1 | +6 |
| +3.0 | Round 14 | OZ OPEN | 18 | 4♣ | ♠A | +1 | +8 |
| +3.0 | Round 15 | ISRAEL JUNIORS | 30 | 3NT | ♣2 | +2 | +0 |
| +2.9 | Round 1 | GOLD COAST AUSTRALIA | 7 | 3NT | ♦5 | +1 | +1 |
| +2.8 | Round 13 | DENMARK | 8 | 1NT | ♦4 | -1 | +8 |
| +2.6 | Round 11 | THE HONBEL SHOCK | 16 | 3NT | ♠3 | -2 | +11 |
| +2.3 | Round 8 | ZEEROB WIT | 13 | 4♥ | ♦7 | +1 | +4 |
| +2.3 | Round 11 | THE HONBEL SHOCK | 13 | 4♥ | ♠6 | +1 | +0 |
| +2.2 | Round 15 | ISRAEL JUNIORS | 23 | 5♣ | ♦6 | -1 | +6 |
| +2.1 | Round 15 | ISRAEL JUNIORS | 27 | 4♠ | ♣7 | +1 | +0 |
| +1.8 | Round 2 | A J DIAMENT | 13 | 3NT | ♠2 | +2 | +13 |
| +1.8 | Round 2 | A J DIAMENT | 15 | 2NT | ♦A | = | -1 |
| +1.7 | Round 8 | ZEEROB WIT | 14 | 4♥ | ♣7 | -1 | +4 |
| +1.7 | Round 13 | DENMARK | 4 | 1NT | ♠3 | -1 | -1 |
| +1.6 | Round 1 | GOLD COAST AUSTRALIA | 1 | 5♦ | ♣K | -2 | +5 |
| +1.5 | Round 1 | GOLD COAST AUSTRALIA | 2 | 4♥ | ♣J | -1 | -2 |
| +1.4 | Round 13 | DENMARK | 3 | 1NT | ♠7 | = | +0 |
| +1.2 | Round 2 | A J DIAMENT | 19 | 3♠ | ♦K | = | -8 |
| +1.2 | Round 14 | OZ OPEN | 15 | 2♠ | ♦A | +1 | +6 |
| +1.0 | Round 2 | A J DIAMENT | 12 | 3♥ | ♥J | = | +0 |
| +1.0 | Round 11 | THE HONBEL SHOCK | 20 | 4♠ | ♣3 | +2 | +12 |
| +1.0 | Round 15 | ISRAEL JUNIORS | 24 | 4♠ | ♠4 | +1 | +0 |
| +1.0 | Round 15 | ISRAEL JUNIORS | 29 | 4♠ | ♣Q | +1 | +0 |
| +0.9 | Round 10 | INDONESIA | 10 | 3♣ | ♠J | = | +1 |
| +0.8 | Round 13 | DENMARK | 6 | 4♣ | ♠3 | = | +7 |
| +0.7 | Round 9 | ICELAND | 21 | 3♠ | ♥J | +1 | -1 |
| +0.6 | Round 9 | ICELAND | 28 | 4♥ | ♣K | +2 | -12 |
| +0.6 | Round 9 | ICELAND | 30 | 1NT | ♠4 | +2 | +6 |
| +0.6 | Round 14 | OZ OPEN | 14 | 3NT | ♠K | +1 | -11 |
| +0.4 | Round 11 | THE HONBEL SHOCK | 15 | 3NT | ♦5 | +1 | +0 |
| +0.4 | Round 13 | DENMARK | 5 | 3NT | ♣3 | = | -1 |
| +0.2 | Round 14 | OZ OPEN | 13 | 3NT | ♠4 | +2 | -13 |
| +0.1 | Round 14 | OZ OPEN | 19 | 4♠ | ♥8 | +1 | +0 |
| -0.0 | Round 13 | DENMARK | 10 | 3♠ | ♥Q | = | -10 |
| -0.1 | Round 2 | A J DIAMENT | 14 | 3♠ | ♣7 | -1 | -2 |
| -0.2 | Round 1 | GOLD COAST AUSTRALIA | 6 | 3♣ | ♠K | = | +10 |
| -0.2 | Round 2 | A J DIAMENT | 16 | 5♠ | ♥4 | -1 | -2 |
| -0.2 | Round 2 | A J DIAMENT | 20 | 5♦x | ♣10 | -1 | +12 |
| -0.2 | Round 9 | ICELAND | 29 | 3NT | ♠J | = | +2 |
| -0.2 | Round 15 | ISRAEL JUNIORS | 26 | 4♠ | ♣A | = | +0 |
| -0.3 | Round 10 | INDONESIA | 1 | 3NT | ♠6 | +1 | -1 |
| -0.5 | Round 8 | ZEEROB WIT | 15 | 4♠ | ♦K | = | -1 |
| -0.5 | Round 15 | ISRAEL JUNIORS | 28 | 4♠ | ♥A | +1 | +0 |
| -0.6 | Round 9 | ICELAND | 22 | 4♥ | ♠Q | = | -1 |
| -1.0 | Round 2 | A J DIAMENT | 18 | 5♦ | ♥4 | -1 | -5 |
| -1.1 | Round 15 | ISRAEL JUNIORS | 22 | 4♠ | ♥2 | +1 | -1 |
| -1.3 | Round 13 | DENMARK | 1 | 3NT | ♠8 | +2 | +0 |
| -1.4 | Round 15 | ISRAEL JUNIORS | 25 | 2♠ | ♦K | +1 | -10 |
| -1.6 | Round 9 | ICELAND | 27 | 3NT | ♦Q | = | -3 |
| -1.9 | Round 10 | INDONESIA | 3 | 1NT | ♠5 | -1 | -4 |
| -2.0 | Round 13 | DENMARK | 9 | 3NT | ♣5 | = | -13 |
| -2.1 | Round 1 | GOLD COAST AUSTRALIA | 4 | 4♠ | ♦4 | = | -13 |
| -2.1 | Round 1 | GOLD COAST AUSTRALIA | 8 | 3♦ | ♠A | = | +1 |
| -2.1 | Round 8 | ZEEROB WIT | 18 | 5♥x | ♣K | -3 | -4 |
| -2.4 | Round 15 | ISRAEL JUNIORS | 21 | 4♥ | ♣6 | +1 | +0 |
| -2.5 | Round 1 | GOLD COAST AUSTRALIA | 9 | 1NT | ♦8 | = | +0 |
| -2.8 | Round 2 | A J DIAMENT | 11 | 2NT | ♠5 | -3 | -2 |
| -2.8 | Round 8 | ZEEROB WIT | 17 | 2♠ | ♥J | = | +0 |
| -3.1 | Round 10 | INDONESIA | 4 | 3♦ | ♠K | +1 | +0 |
| -3.2 | Round 9 | ICELAND | 24 | 4♠ | ♠7 | -3 | -6 |
| -3.3 | Round 11 | THE HONBEL SHOCK | 18 | 4♠ | ♣K | = | -3 |
| -3.4 | Round 1 | GOLD COAST AUSTRALIA | 3 | 3NT | ♦3 | +1 | -1 |
| -3.7 | Round 8 | ZEEROB WIT | 20 | 4♥ | ♣10 | = | +0 |
| -3.7 | Round 14 | OZ OPEN | 20 | 3NT | ♣3 | -1 | -12 |
| -3.8 | Round 10 | INDONESIA | 9 | 2♠ | ♣7 | +1 | +0 |
| -3.8 | Round 14 | OZ OPEN | 11 | 2♣ | ♥K | -2 | -5 |
| -4.2 | Round 11 | THE HONBEL SHOCK | 14 | 3NT | ♥9 | +1 | +0 |
| -4.4 | Round 2 | A J DIAMENT | 17 | 2♠ | ♥7 | = | -6 |
| -4.6 | Round 10 | INDONESIA | 5 | 1NT | ♠5 | = | -5 |
| -5.2 | Round 11 | THE HONBEL SHOCK | 12 | 5♣ | ♥K | -1 | -10 |
| -5.4 | Round 11 | THE HONBEL SHOCK | 11 | 6NT | ♦5 | = | +0 |
| -6.0 | Round 10 | INDONESIA | 8 | 4♠ | ♣6 | -2 | -11 |
| -6.8 | Round 10 | INDONESIA | 2 | 4♠ | ♦Q | -2 | -13 |
| -6.8 | Round 13 | DENMARK | 7 | 4♠ | ♥K | = | -10 |
| -7.5 | Round 10 | INDONESIA | 6 | 3NT | ♥3 | -1 | -10 |
| -10.9 | Round 14 | OZ OPEN | 17 | 7♣ | ♦8 | = | +0 |