YEUNG Amy · MASTERMIND
523rank
-131.8Butler · 100 bds
-1.32per board
±4.1swing
-2.21vs par /bd · #515/518
-1.42adjusted /bd
by round
vs par split: bidding -1.22 · play -0.99
Strength of schedule: opponents averaged -0.11/bd (an easy draw) → opponent-adjusted -1.42/bd
Card play — on target: opening leads 78.3% #296 of 518 · declarer play 57.9% #490 of 517 · defence 76.6% #427 of 518
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (8) | 80.0% (15) |
| Declarer play | 40.0% (5) | 64.3% (14) |
| Defence | 83.3% (18) | 72.4% (29) |
Opening leads by suit led: ♠ 77.8% (9) · ♥ 83.3% (6) · ♦ 83.3% (6) · ♣ 50.0% (2)
vs par by strain: NT -0.47 (30) · a suit -2.96 (70)
vs par by level: part-score -1.62 (45) · game -2.30 (53) · slam -13.00 (2)
By role: declaring -2.48/bd (-5.11 vs par · 53) · defending -0.01/bd (+1.06 vs par · 47)
By vulnerability: vulnerable -2.00/bd (-4.00 vs par · 51) · not vulnerable -0.61/bd (-0.35 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | H.Lam | J.Smederevac – M.Seligman | Open | 10 | -14.7 | -1.47 | -2.70 |
| Round 2 | H.Lam | J.Lall – S.Moss | Open | 10 | +2.9 | +0.29 | +0.80 |
| Round 3 | H.Lam | S.Rodrigues – L.Doria | Open | 10 | -25.1 | -2.51 | -2.60 |
| Round 4 | H.Lam | M.Dunitz – J.Meyers | Open | 10 | -25.0 | -2.50 | -4.30 |
| Round 5 | H.Lam | S.Cope – M.Robertson | Open | 10 | -30.0 | -3.00 | -3.00 |
| Round 6 | H.Lam | J.Meckstroth – S.Meckstroth | Open | 10 | -20.7 | -2.07 | -3.20 |
| Round 7 | H.Lam | A.Lavin – C.Hoyos | Closed | 10 | -15.5 | -1.55 | -3.30 |
| Round 8 | H.Lam | L.Feldman – R.Roeder | Open | 10 | -13.5 | -1.35 | -0.50 |
| Round 9 | H.Lam | S.Barg – I.Vargas De Andrade | Open | 10 | +9.0 | +0.90 | -1.10 |
| Round 10 | H.Lam | D.Mcleish – P.Mcleish | Open | 10 | +0.8 | +0.08 | -2.20 |
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 |
|---|---|---|---|---|---|---|---|
| +9.3 | Round 9 | GOWER | 19 | 4♥ | ♥2 | -2 | +11 |
| +8.5 | Round 2 | MOSS | 12 | 3NT | ♥8 | -1 | +6 |
| +8.5 | Round 8 | THE ORPHANS | 1 | 3NT | ♦2 | -1 | +10 |
| +5.2 | Round 9 | GOWER | 14 | 3NT | ♠Q | -2 | +5 |
| +5.0 | Round 1 | SELIGMAN | 8 | 3NT | ♦J | = | +0 |
| +4.5 | Round 7 | ARVECHICO | 19 | 2♥ | ♦6 | -2 | +3 |
| +4.4 | Round 10 | HARD YAKKA | 28 | 4♥ | ♦2 | -1 | +5 |
| +4.2 | Round 2 | MOSS | 15 | 3NT | ♠K | -1 | +16 |
| +3.5 | Round 1 | SELIGMAN | 10 | 5♦ | ♠A | -2 | +2 |
| +3.5 | Round 7 | ARVECHICO | 18 | 5♦x | ♠A | -6 | -1 |
| +3.3 | Round 3 | LIS | 7 | 2♦ | ♠6 | = | +0 |
| +2.8 | Round 1 | SELIGMAN | 6 | 3NT | ♥5 | +2 | +1 |
| +2.6 | Round 8 | THE ORPHANS | 6 | 3NT | ♠3 | +1 | +10 |
| +2.5 | Round 5 | COPING WITH PUNCH | 28 | 1NT | ♦K | -2 | +2 |
| +1.9 | Round 6 | MECKWELL | 3 | 4♥ | ♠3 | +2 | +11 |
| +1.8 | Round 6 | MECKWELL | 6 | 4♠ | ♣A | +1 | +0 |
| +1.7 | Round 1 | SELIGMAN | 7 | 1♠ | ♦Q | = | -1 |
| +1.6 | Round 8 | THE ORPHANS | 5 | 3♣ | ♠Q | -2 | +2 |
| +1.5 | Round 5 | COPING WITH PUNCH | 23 | 2♥ | ♣6 | = | -1 |
| +1.5 | Round 6 | MECKWELL | 4 | 3NT | ♣5 | = | -1 |
| +1.4 | Round 2 | MOSS | 14 | 3NT | ♥K | +3 | +14 |
| +1.3 | Round 3 | LIS | 2 | 3♠ | ♦2 | +2 | +9 |
| +1.0 | Round 2 | MOSS | 11 | 2♠ | ♥9 | +2 | -4 |
| +1.0 | Round 4 | GARTAGANIS | 12 | 2♠ | ♥K | +2 | +1 |
| +0.8 | Round 10 | HARD YAKKA | 24 | 1NT | ♠2 | -1 | +5 |
| +0.8 | Round 10 | HARD YAKKA | 27 | 2♥ | ♥2 | +1 | -6 |
| +0.7 | Round 2 | MOSS | 18 | 2♥ | ♦A | +1 | +0 |
| +0.7 | Round 10 | HARD YAKKA | 29 | 3♦ | ♠2 | -1 | -1 |
| +0.6 | Round 7 | ARVECHICO | 17 | 2♠ | ♥7 | = | -7 |
| +0.6 | Round 9 | GOWER | 18 | 3NT | ♣3 | +2 | +1 |
| +0.5 | Round 9 | GOWER | 11 | 4♠ | ♣J | +1 | +0 |
| +0.5 | Round 9 | GOWER | 15 | 4♠ | ♥A | +1 | +0 |
| +0.4 | Round 2 | MOSS | 20 | 4♥ | ♠7 | +1 | +0 |
| +0.4 | Round 3 | LIS | 5 | 3♥ | ♣5 | +1 | -7 |
| +0.4 | Round 4 | GARTAGANIS | 11 | 1NT | ♠3 | = | +1 |
| +0.3 | Round 9 | GOWER | 17 | 4♥ | ♣5 | +1 | -10 |
| +0.2 | Round 4 | GARTAGANIS | 20 | 2♥ | ♦2 | +1 | +1 |
| +0.2 | Round 5 | COPING WITH PUNCH | 24 | 2♠ | ♣8 | +1 | +7 |
| +0.2 | Round 7 | ARVECHICO | 16 | 4♠ | ♥10 | = | -1 |
| +0.1 | Round 9 | GOWER | 20 | 1NT | ♦6 | +1 | +1 |
| -0.1 | Round 3 | LIS | 3 | 3NT | ♥3 | +1 | +0 |
| -0.1 | Round 4 | GARTAGANIS | 18 | 4♣ | ♣7 | -2 | +1 |
| -0.1 | Round 10 | HARD YAKKA | 21 | 3♠ | ♦K | -2 | +1 |
| -0.2 | Round 9 | GOWER | 13 | 3NT | ♣5 | -1 | -6 |
| -0.2 | Round 10 | HARD YAKKA | 30 | 2♥ | ♠J | +2 | -6 |
| -0.3 | Round 1 | SELIGMAN | 4 | 4♠ | ♥4 | +1 | +0 |
| -0.4 | Round 6 | MECKWELL | 8 | 2♠ | ♣3 | +2 | +6 |
| -0.4 | Round 9 | GOWER | 16 | 4♠ | ♦5 | +1 | +0 |
| -0.5 | Round 4 | GARTAGANIS | 19 | 3♥ | ♣A | +1 | -8 |
| -0.7 | Round 2 | MOSS | 13 | 4♠ | ♣5 | +1 | -13 |
| -0.7 | Round 2 | MOSS | 16 | 3NT | ♥10 | +1 | +0 |
| -0.7 | Round 3 | LIS | 6 | 4♥ | ♣8 | +1 | +0 |
| -0.9 | Round 10 | HARD YAKKA | 25 | 5♣x | ♠Q | -3 | -3 |
| -1.0 | Round 1 | SELIGMAN | 2 | 3NT | ♦3 | +1 | +0 |
| -1.0 | Round 7 | ARVECHICO | 11 | 3♣ | ♥K | = | +0 |
| -1.1 | Round 5 | COPING WITH PUNCH | 30 | 3♠x | ♥3 | -2 | -4 |
| -1.2 | Round 10 | HARD YAKKA | 22 | 2♥ | ♦9 | +1 | +0 |
| -1.7 | Round 10 | HARD YAKKA | 23 | 4♥ | ♠Q | -1 | -12 |
| -1.8 | Round 6 | MECKWELL | 7 | 3♠ | ♣A | -2 | -10 |
| -1.8 | Round 10 | HARD YAKKA | 26 | 2♥ | ♠K | -1 | -5 |
| -1.9 | Round 6 | MECKWELL | 9 | 2♠ | ♦Q | = | -5 |
| -1.9 | Round 8 | THE ORPHANS | 7 | 3♦ | ♦10 | +1 | -11 |
| -2.0 | Round 3 | LIS | 8 | 3♥ | ♣3 | -1 | +6 |
| -2.0 | Round 4 | GARTAGANIS | 16 | 2♠ | ♥J | = | -12 |
| -2.2 | Round 5 | COPING WITH PUNCH | 21 | 1NT | ♣3 | -1 | -4 |
| -2.3 | Round 8 | THE ORPHANS | 2 | 3♣ | ♥3 | +1 | +10 |
| -2.4 | Round 7 | ARVECHICO | 14 | 5♣ | ♥A | = | +0 |
| -2.6 | Round 4 | GARTAGANIS | 14 | 4♥ | ♦Q | -2 | +0 |
| -2.8 | Round 5 | COPING WITH PUNCH | 29 | 3NT | ♥5 | = | +1 |
| -2.8 | Round 7 | ARVECHICO | 15 | 2♠ | ♥Q | = | -6 |
| -2.9 | Round 8 | THE ORPHANS | 4 | 5♥x | ♣K | -1 | -9 |
| -2.9 | Round 8 | THE ORPHANS | 8 | 4♦ | ♠4 | -2 | +1 |
| -3.0 | Round 1 | SELIGMAN | 1 | 3♣ | ♥9 | = | -1 |
| -3.0 | Round 1 | SELIGMAN | 5 | 4♠ | ♥Q | -1 | -5 |
| -3.0 | Round 7 | ARVECHICO | 12 | 3♣ | ♦8 | +1 | -9 |
| -3.2 | Round 6 | MECKWELL | 1 | 3NT | ♠3 | = | -7 |
| -3.3 | Round 8 | THE ORPHANS | 3 | 3♦ | ♥A | = | -5 |
| -3.6 | Round 3 | LIS | 10 | 1NT | ♠9 | = | -5 |
| -3.6 | Round 6 | MECKWELL | 10 | 1♠ | ♥2 | -1 | -5 |
| -4.3 | Round 5 | COPING WITH PUNCH | 27 | 2♠ | ♣Q | = | -6 |
| -4.6 | Round 5 | COPING WITH PUNCH | 25 | 3NT | ♥4 | +2 | -6 |
| -4.8 | Round 2 | MOSS | 19 | 4♠ | ♥9 | -2 | -7 |
| -5.1 | Round 8 | THE ORPHANS | 9 | 3NT | ♥J | -1 | -12 |
| -5.4 | Round 7 | ARVECHICO | 20 | 3♣ | ♦A | -4 | +5 |
| -5.5 | Round 4 | GARTAGANIS | 13 | 3NT | ♣3 | = | -10 |
| -5.8 | Round 4 | GARTAGANIS | 15 | 3NT | ♥4 | -3 | -6 |
| -6.0 | Round 6 | MECKWELL | 5 | 4♠ | ♣K | +2 | -11 |
| -6.9 | Round 9 | GOWER | 12 | 6♥x | ♠K | -2 | -13 |
| -7.1 | Round 2 | MOSS | 17 | 3NT | ♥K | +1 | -4 |
| -7.4 | Round 3 | LIS | 4 | 6♦ | ♠6 | -1 | -13 |
| -7.8 | Round 8 | THE ORPHANS | 10 | 4♠ | ♣4 | +1 | -1 |
| -8.0 | Round 3 | LIS | 9 | 3NT | ♠9 | -3 | -10 |
| -8.3 | Round 3 | LIS | 1 | 1♣ | ♦10 | -2 | -6 |
| -8.4 | Round 1 | SELIGMAN | 9 | 4♥ | ♣5 | -1 | -6 |
| -8.4 | Round 5 | COPING WITH PUNCH | 22 | 3NT | ♦2 | -1 | -6 |
| -9.0 | Round 6 | MECKWELL | 2 | 3NT | ♥J | -1 | -10 |
| -9.7 | Round 7 | ARVECHICO | 13 | 4♠ | ♦7 | -1 | -17 |
| -10.1 | Round 4 | GARTAGANIS | 17 | 4♠ | ♥10 | -2 | -11 |
| -10.8 | Round 5 | COPING WITH PUNCH | 26 | 4♠ | ♣5 | +2 | -13 |
| -12.0 | Round 1 | SELIGMAN | 3 | 4♠ | ♣J | -4 | -17 |