LIU Garrett · MAPLE
vs par split: bidding -0.19 · play -0.64
Strength of schedule: opponents averaged -0.46/bd (an easy draw) → opponent-adjusted -1.25/bd
Card play — on target: opening leads 73.3% #81 of 89 · declarer play 71.4% #61 of 89 · defence 70.8% #69 of 89
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 60.0% (5) | 80.0% (10) |
| Declarer play | 80.0% (5) | 66.7% (9) |
| Defence | 62.5% (8) | 75.0% (16) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 75.0% (8) · ♦ 60.0% (5)
vs par by strain: NT +2.14 (14) · a suit -2.32 (28)
vs par by level: part-score +0.38 (21) · game -2.26 (19) · slam +0.00 (2)
By role: declaring +0.24/bd (+0.06 vs par · 18) · defending -1.57/bd (-1.50 vs par · 24)
By vulnerability: vulnerable -0.17/bd (-2.25 vs par · 20) · not vulnerable -1.35/bd (+0.46 vs par · 22)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | D.Chiang | M.Guendel – K.Schwalbach | Open | 6 | -11.4 | -1.90 | -2.67 |
| Round 2 | D.Chiang | R.Barnett – R.Sinclair | Open | 6 | -14.1 | -2.35 | -4.50 |
| Round 3 | D.Chiang | R.Serrano Sotomayor – N.Sotorp | Open | 6 | +0.6 | +0.10 | +4.17 |
| Round 4 | D.Chiang | N.Vachtarcikova – M.Drozd | Closed | 6 | -11.3 | -1.88 | +0.00 |
| Round 6 | D.Chiang | I.La Chapelle – H.Rose | Open | 6 | -14.1 | -2.35 | -3.17 |
| Round 7 | D.Chiang | N.Yamazaki – Y.Xiao | Closed | 6 | +13.5 | +2.25 | +1.33 |
| Round 8 | D.Chiang | V.Chan – C.Chan | Closed | 6 | +3.6 | +0.60 | -1.00 |
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 |
|---|---|---|---|---|---|---|---|
| +11.2 | Round 8 | ECUADOR GIRLS | 13 | 4♠x | ♦Q | -4 | -8 |
| +10.9 | Round 7 | JAPAN | 7 | 6♠ | ♦J | = | +0 |
| +5.4 | Round 1 | GERMANY U21 | 6 | 2NT | ♥5 | -1 | +10 |
| +5.1 | Round 2 | THE MULTI LANDONERS | 11 | 3NT | ♥6 | -1 | +5 |
| +4.8 | Round 3 | ECUADOR U21 | 15 | 3NT | ♦5 | -1 | +12 |
| +3.7 | Round 7 | JAPAN | 9 | 2♠ | ♦5 | -2 | +6 |
| +3.6 | Round 3 | ECUADOR U21 | 17 | 4♦ | ♠5 | -3 | +7 |
| +3.6 | Round 8 | ECUADOR GIRLS | 14 | 2♦ | ♠6 | = | +5 |
| +3.3 | Round 7 | JAPAN | 12 | 3♥ | ♦K | = | +1 |
| +2.9 | Round 3 | ECUADOR U21 | 14 | 3♦ | ♠7 | +2 | +6 |
| +2.9 | Round 6 | ENGLAND U21 | 2 | 3NT | ♥K | = | -1 |
| +2.5 | Round 1 | GERMANY U21 | 5 | 3♥ | ♥7 | = | +0 |
| +2.3 | Round 2 | THE MULTI LANDONERS | 10 | 3♥ | ♠6 | -1 | -11 |
| +1.8 | Round 8 | ECUADOR GIRLS | 16 | 3NT | ♣5 | = | +3 |
| +1.3 | Round 4 | CZECH REPUBLIC B | 20 | 3NT | ♠6 | = | +2 |
| +1.3 | Round 7 | JAPAN | 10 | 2♠ | ♦7 | = | +6 |
| +1.1 | Round 7 | JAPAN | 11 | 2NT | ♠7 | +1 | +2 |
| +0.9 | Round 3 | ECUADOR U21 | 16 | 3NT | ♦2 | +2 | +0 |
| -0.3 | Round 4 | CZECH REPUBLIC B | 21 | 2NT | ♦Q | = | +9 |
| -0.4 | Round 3 | ECUADOR U21 | 13 | 4♥ | ♠Q | = | +0 |
| -0.9 | Round 4 | CZECH REPUBLIC B | 19 | 5♦ | ♥8 | = | +0 |
| -1.2 | Round 6 | ENGLAND U21 | 3 | 2♠ | ♦K | -1 | -3 |
| -1.3 | Round 6 | ENGLAND U21 | 5 | 2NT | ♥9 | -1 | +1 |
| -1.4 | Round 4 | CZECH REPUBLIC B | 23 | 1NT | ♥9 | +1 | -1 |
| -1.9 | Round 2 | THE MULTI LANDONERS | 8 | 4♥ | ♦K | = | +0 |
| -1.9 | Round 2 | THE MULTI LANDONERS | 9 | 4♠ | ♥7 | = | +0 |
| -2.1 | Round 1 | GERMANY U21 | 2 | 2♥ | ♦J | +1 | +0 |
| -2.3 | Round 6 | ENGLAND U21 | 4 | 1NT | ♠2 | -1 | -1 |
| -2.8 | Round 4 | CZECH REPUBLIC B | 24 | 4♠ | ♥A | -3 | -2 |
| -2.9 | Round 6 | ENGLAND U21 | 1 | 5♦ | ♦3 | = | -3 |
| -3.0 | Round 8 | ECUADOR GIRLS | 15 | 3♣ | ♦A | -3 | -1 |
| -3.5 | Round 1 | GERMANY U21 | 3 | 3♣ | ♦K | = | -6 |
| -3.9 | Round 1 | GERMANY U21 | 1 | 3♣ | ♥A | +2 | -7 |
| -4.3 | Round 2 | THE MULTI LANDONERS | 7 | 3♣ | ♥6 | -2 | -9 |
| -4.5 | Round 8 | ECUADOR GIRLS | 17 | 3NT | ♥Q | +1 | +1 |
| -5.5 | Round 8 | ECUADOR GIRLS | 18 | 3♥ | ♦J | +2 | -6 |
| -6.8 | Round 7 | JAPAN | 8 | 4♠ | ♥Q | = | -7 |
| -7.2 | Round 4 | CZECH REPUBLIC B | 22 | 4♥ | ♠6 | -2 | -8 |
| -9.3 | Round 6 | ENGLAND U21 | 6 | 3NT | ♣8 | -1 | -12 |
| -9.8 | Round 1 | GERMANY U21 | 4 | 4♥ | ♥10 | = | -13 |
| -11.2 | Round 3 | ECUADOR U21 | 18 | 6♦ | ♠4 | = | +0 |
| -13.4 | Round 2 | THE MULTI LANDONERS | 12 | 4♠x | ♥A | = | -12 |