KANG Seongseok · SEOUL
vs par split: bidding -0.93 · play +0.24
Strength of schedule: opponents averaged -0.20/bd (an easy draw) → opponent-adjusted +0.22/bd
Card play — on target: opening leads 90.9% · declarer play 69.2% · defence 81.2%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 100.0% (6) |
| Declarer play | 60.0% (5) | 75.0% (8) |
| Defence | 80.0% (5) | 81.8% (11) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 83.3% (6) · ♦ 100.0% (1) · ♣ 100.0% (3)
vs par by strain: NT -0.50 (10) · a suit -0.74 (31)
vs par by level: part-score -0.73 (15) · game -0.95 (21) · slam +0.60 (5)
By role: declaring +0.32/bd (-1.19 vs par · 26) · defending +0.57/bd (+0.62 vs par · 16)
By vulnerability: vulnerable -0.17/bd (-1.14 vs par · 21) · not vulnerable +1.01/bd (+0.14 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | S.Roh | L.Lebowitz – A.Grossack | Closed | 14 | +30.4 | +2.17 | +0.64 |
| Round of 32 | S.Roh | L.Lebowitz – A.Grossack | Closed | 14 | +8.3 | +0.59 | -0.36 |
| Round of 32 | S.Roh | F.Nystrom – G.Helgemo | Open | 14 | -21.1 | -1.51 | -1.79 |
| Round of 32 | S.Roh | F.Nystrom – G.Helgemo | Open | 0 | +0.0 | +0.00 | · |
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 |
|---|---|---|---|---|---|---|---|
| +11.3 | Round of 32 | LEBOWITZ | 22 | 6♠ | ♣7 | -1 | +13 |
| +9.9 | Round of 32 | LEBOWITZ | 3 | 6♠ | ♥K | = | +0 |
| +9.5 | Round of 32 | LEBOWITZ | 27 | 4♥ | ♣3 | +2 | +11 |
| +8.1 | Round of 32 | LEBOWITZ | 16 | 3NT | ♥5 | -4 | +6 |
| +7.3 | Round of 32 | LEBOWITZ | 2 | 6♠ | ♠2 | = | +0 |
| +6.7 | Round of 32 | LEBOWITZ | 6 | 3♥ | ♣A | = | +7 |
| +6.6 | Round of 32 | LEBOWITZ | 5 | 4♥ | ♣K | -1 | +10 |
| +4.2 | Round of 32 | LEBOWITZ | 42 | 2NT | ♥7 | -3 | +6 |
| +4.0 | Round of 32 | LEBOWITZ | 32 | 4♥ | ♦3 | -1 | +6 |
| +3.7 | Round of 32 | LEBOWITZ | 28 | 3NT | ♠6 | +1 | +0 |
| +2.9 | Round of 32 | LEBOWITZ | 8 | 4♠ | ♣8 | = | -1 |
| +1.9 | Round of 32 | LEBOWITZ | 34 | 4♥ | ♠A | -2 | -2 |
| +1.8 | Round of 32 | LEBOWITZ | 17 | 4♠ | ♠2 | +2 | +1 |
| +1.5 | Round of 32 | LEBOWITZ | 14 | 4♥ | ♣J | = | -1 |
| +1.3 | Round of 32 | LEBOWITZ | 13 | 3NT | ♣5 | +1 | +0 |
| +1.1 | Round of 32 | LEBOWITZ | 4 | 3♣ | ♦5 | = | +0 |
| +0.9 | Round of 32 | LEBOWITZ | 1 | 2♥x | ♠A | -1 | +7 |
| +0.9 | Round of 32 | LEBOWITZ | 26 | 2♠ | ♠2 | -1 | +0 |
| +0.9 | Round of 32 | LEBOWITZ | 33 | 3NT | ♥J | = | +0 |
| +0.9 | Round of 32 | LEBOWITZ | 37 | 4♠ | ♣A | = | +0 |
| +0.8 | Round of 32 | LEBOWITZ | 18 | 2♦ | ♥Q | -1 | -2 |
| +0.6 | Round of 32 | LEBOWITZ | 10 | Adj. | ♠A | +7 | |
| +0.4 | Round of 32 | LEBOWITZ | 19 | 4♥ | ♠2 | +3 | -10 |
| +0.2 | Round of 32 | LEBOWITZ | 30 | 2♥ | ♣2 | = | +0 |
| -0.6 | Round of 32 | LEBOWITZ | 23 | 3NT | ♥J | = | +1 |
| -0.7 | Round of 32 | LEBOWITZ | 25 | 3♠ | ♦A | -1 | +2 |
| -0.7 | Round of 32 | LEBOWITZ | 31 | 2♦ | ♥K | -1 | -3 |
| -1.3 | Round of 32 | LEBOWITZ | 7 | 4♠ | ♥A | -2 | -3 |
| -1.5 | Round of 32 | LEBOWITZ | 40 | 3NT | ♠Q | = | +1 |
| -1.6 | Round of 32 | LEBOWITZ | 12 | 2♠ | ♠3 | = | -6 |
| -1.8 | Round of 32 | LEBOWITZ | 35 | 1NT | ♥6 | +1 | -6 |
| -1.8 | Round of 32 | LEBOWITZ | 38 | 3♠ | ♠9 | -1 | +1 |
| -2.5 | Round of 32 | LEBOWITZ | 11 | 3♥ | ♦A | -2 | +0 |
| -2.7 | Round of 32 | LEBOWITZ | 41 | 1NT | ♦J | -1 | -5 |
| -3.0 | Round of 32 | LEBOWITZ | 9 | 5♥ | ♠K | = | -11 |
| -3.1 | Round of 32 | LEBOWITZ | 21 | 3NT | ♣J | -2 | -8 |
| -4.7 | Round of 32 | LEBOWITZ | 24 | 4♥ | ♠K | -1 | -5 |
| -5.4 | Round of 32 | LEBOWITZ | 15 | 6♦ | ♠A | +1 | +0 |
| -5.6 | Round of 32 | LEBOWITZ | 36 | 4♥ | ♣3 | = | -1 |
| -8.4 | Round of 32 | LEBOWITZ | 29 | 6♣ | ♠K | -1 | -10 |
| -10.7 | Round of 32 | LEBOWITZ | 39 | 3♥x | ♦A | = | -12 |
| -13.7 | Round of 32 | LEBOWITZ | 20 | 5♥x | ♥10 | = | -14 |