KOO Hor Yung Charmian · BANANA
vs par split: bidding +0.41 · play -0.77
Strength of schedule: opponents averaged -0.14/bd (an easy draw) → opponent-adjusted +0.24/bd
Card play — on target: opening leads 84.6% #97 of 221 · declarer play 57.1% #202 of 221 · defence 69.2% #218 of 221
Bidding activity — not a pass: 41.7% #113 of 221 (63/151)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 90.9% (11) |
| Declarer play | 60.0% (10) | 50.0% (4) |
| Defence | 100.0% (5) | 61.9% (21) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 66.7% (3) · ♦ 100.0% (2) · ♣ 100.0% (3)
vs par by strain: NT +0.80 (20) · a suit -1.00 (36)
vs par by level: part-score +1.72 (25) · game -2.33 (27) · slam +0.00 (4)
By role: declaring +0.22/bd (-2.87 vs par · 30) · defending +0.56/bd (+2.54 vs par · 26)
By vulnerability: vulnerable +0.94/bd (+0.39 vs par · 28) · not vulnerable -0.19/bd (-1.11 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Chiang | P.Bertheau – C.Madsen | Closed | 14 | -7.6 | -0.54 | +0.93 |
| Round 2 | J.Chiang | J.Zalewska – J.Stepinski | Open | 14 | +3.7 | +0.26 | +1.79 |
| Round 3 | J.Chiang | N.Hammelev – E.Rosthoej | Closed | 14 | +36.1 | +2.58 | -0.21 |
| Round 4 | J.Chiang | O.Moran Ohayon – I.Yadlin | Open | 14 | -11.0 | -0.79 | -3.93 |
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 |
|---|---|---|---|---|---|---|---|
| +10.9 | Round 3 | 2 MANY GINGERS | 4 | 2♣xx | ♣3 | -1 | +11 |
| +9.7 | Round 3 | 2 MANY GINGERS | 10 | 3NTx | ♠T | +1 | -4 |
| +9.0 | Round 1 | LUNDBERG | 14 | 3NTx | ♣5 | = | +4 |
| +8.4 | Round 1 | LUNDBERG | 12 | 4NT | ♦2 | -1 | +11 |
| +8.2 | Round 3 | 2 MANY GINGERS | 14 | 3♦x | ♥A | -3 | +3 |
| +7.9 | Round 1 | LUNDBERG | 6 | 4♠ | ♥A | -3 | +9 |
| +7.4 | Round 3 | 2 MANY GINGERS | 6 | 3NT | ♠7 | -3 | +9 |
| +7.3 | Round 3 | 2 MANY GINGERS | 1 | 6NT | ♥8 | = | +0 |
| +5.8 | Round 2 | GROUP ONE TEAM | 20 | 6♣ | ♠A | = | +0 |
| +4.5 | Round 2 | GROUP ONE TEAM | 23 | 3♥ | ♠J | +1 | +10 |
| +4.2 | Round 2 | GROUP ONE TEAM | 17 | 3♦ | ♣Q | +3 | +13 |
| +4.2 | Round 3 | 2 MANY GINGERS | 12 | 1NT | ♥3 | = | +6 |
| +4.0 | Round 3 | 2 MANY GINGERS | 13 | 3♦ | ♠A | -3 | +4 |
| +3.1 | Round 2 | GROUP ONE TEAM | 26 | 3♦ | ♣A | -2 | +7 |
| +3.0 | Round 1 | LUNDBERG | 13 | 3NT | ♥K | -1 | +12 |
| +2.3 | Round 3 | 2 MANY GINGERS | 9 | 3NT | ♦3 | = | -1 |
| +2.1 | Round 3 | 2 MANY GINGERS | 5 | 4♠ | ♦K | = | +0 |
| +2.1 | Round 4 | BEKKER | 18 | 3♥ | ♠J | = | +1 |
| +2.0 | Round 1 | LUNDBERG | 1 | 4♦ | ♠J | -2 | -1 |
| +1.8 | Round 4 | BEKKER | 23 | 2♣ | ♦7 | +1 | +0 |
| +1.7 | Round 2 | GROUP ONE TEAM | 21 | 2NT | ♥5 | +1 | +6 |
| +1.5 | Round 2 | GROUP ONE TEAM | 18 | 3♣ | ♥T | +1 | +7 |
| +1.3 | Round 1 | LUNDBERG | 10 | 1NT | ♥2 | -2 | +2 |
| +1.2 | Round 4 | BEKKER | 28 | 1NT | ♠5 | = | +0 |
| +1.0 | Round 4 | BEKKER | 20 | 4♥ | ♣4 | +1 | +0 |
| +1.0 | Round 4 | BEKKER | 24 | 4♠ | ♣Q | = | -1 |
| +0.7 | Round 2 | GROUP ONE TEAM | 28 | 4♠ | ♦3 | +2 | -13 |
| +0.7 | Round 3 | 2 MANY GINGERS | 7 | 3NT | ♥Q | +1 | -1 |
| +0.5 | Round 4 | BEKKER | 26 | 3NT | ♣5 | +1 | -1 |
| +0.2 | Round 4 | BEKKER | 19 | 2♠ | ♦A | +2 | -6 |
| -0.0 | Round 4 | BEKKER | 27 | 3NT | ♣T | +2 | -11 |
| -0.1 | Round 2 | GROUP ONE TEAM | 25 | 4♥ | ♦3 | +1 | +0 |
| -0.1 | Round 3 | 2 MANY GINGERS | 3 | 2♠ | ♥A | +1 | +0 |
| -0.2 | Round 1 | LUNDBERG | 4 | 3♥ | ♦J | -1 | +1 |
| -0.2 | Round 4 | BEKKER | 16 | 4♠ | ♣6 | +1 | +0 |
| -0.2 | Round 4 | BEKKER | 25 | 1NT | ♣5 | +1 | -1 |
| -0.9 | Round 1 | LUNDBERG | 8 | 4♠ | ♣Q | = | +1 |
| -1.0 | Round 2 | GROUP ONE TEAM | 15 | 2♥ | ♠6 | = | +0 |
| -1.4 | Round 2 | GROUP ONE TEAM | 27 | 4♠ | ♦J | -2 | -6 |
| -1.5 | Round 2 | GROUP ONE TEAM | 24 | 2NT | ♥K | -2 | +0 |
| -1.5 | Round 4 | BEKKER | 22 | 1NT | ♣7 | +2 | -7 |
| -1.8 | Round 1 | LUNDBERG | 2 | 3♠ | ♦K | +1 | -1 |
| -2.9 | Round 3 | 2 MANY GINGERS | 8 | 2♠ | ♥T | +2 | -7 |
| -3.0 | Round 4 | BEKKER | 15 | 4♥ | ♠9 | +1 | -6 |
| -4.1 | Round 2 | GROUP ONE TEAM | 22 | 6♠ | ♥2 | = | +0 |
| -4.3 | Round 1 | LUNDBERG | 11 | 1NT | ♦7 | -1 | -5 |
| -4.4 | Round 2 | GROUP ONE TEAM | 19 | 4♦ | ♠Q | = | +0 |
| -5.1 | Round 4 | BEKKER | 17 | 5♦ | ♠K | -1 | -11 |
| -5.3 | Round 2 | GROUP ONE TEAM | 16 | 3NT | ♣5 | = | +1 |
| -6.1 | Round 1 | LUNDBERG | 7 | 7♠ | ♠7 | = | +0 |
| -7.2 | Round 1 | LUNDBERG | 3 | 4♥ | ♣5 | = | -3 |
| -7.2 | Round 3 | 2 MANY GINGERS | 11 | 4♠ | ♥5 | = | -7 |
| -8.3 | Round 1 | LUNDBERG | 9 | 3NT | ♣8 | -1 | -4 |
| -8.8 | Round 4 | BEKKER | 21 | 5♥x | ♦2 | -1 | -12 |
| -10.4 | Round 1 | LUNDBERG | 5 | 5♦x | ♥8 | -2 | -13 |
| -10.5 | Round 3 | 2 MANY GINGERS | 2 | 4♥ | ♣5 | -2 | -16 |