ZHANG Ligang · REIGNWOOD
vs par split: bidding +1.08 · play -0.38
Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted +0.18/bd
Card play — on target: opening leads 100.0% #1 of 518 · declarer play 54.5% #503 of 517 · defence 72.7% #472 of 518
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 100.0% (8) |
| Declarer play | 50.0% (2) | 55.6% (9) |
| Defence | 57.1% (7) | 80.0% (15) |
Opening leads by suit led: ♠ 100.0% (7) · ♥ 100.0% (1) · ♦ 100.0% (2)
vs par by strain: NT +1.78 (9) · a suit +0.37 (30)
vs par by level: part-score +0.30 (20) · game +0.61 (18) · slam +10.00 (1)
By role: declaring -1.43/bd (-2.22 vs par · 18) · defending +1.60/bd (+3.18 vs par · 22)
By vulnerability: vulnerable -0.51/bd (+0.35 vs par · 20) · not vulnerable +0.98/bd (+1.15 vs par · 20)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 6 | L.Zhou | J.Mahaffey – J.Radin | Open | 10 | +32.8 | +3.28 | +4.20 |
| Round 7 | L.Zhou | R.Parasian – J.Tueje | Open | 10 | -4.7 | -0.47 | -2.90 |
| Round 9 | L.Zhou | L.Stansby – J.Stansby | Open | 10 | -21.5 | -2.15 | -1.00 |
| Round 10 | L.Zhou | C.Nell – B.Bart | Open | 10 | +2.9 | +0.29 | +2.70 |
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 |
|---|---|---|---|---|---|---|---|
| +11.6 | Round 6 | MAHAFFEY | 6 | 3NT | ♥J | -1 | +13 |
| +10.5 | Round 6 | MAHAFFEY | 4 | 3NT | ♣5 | -1 | +12 |
| +8.1 | Round 10 | JT BICEPS | 25 | 2♦ | ♠7 | +2 | +10 |
| +7.4 | Round 7 | INDONESIA | 14 | 6♣ | ♥A | -1 | +10 |
| +6.0 | Round 6 | MAHAFFEY | 5 | 4♠ | ♣A | +2 | +11 |
| +4.1 | Round 6 | MAHAFFEY | 10 | 2♥ | ♠K | = | +6 |
| +3.4 | Round 9 | GARTAGANIS | 15 | 5♥x | ♦8 | -4 | +4 |
| +3.2 | Round 6 | MAHAFFEY | 1 | 5♦ | ♥A | = | +7 |
| +3.2 | Round 6 | MAHAFFEY | 7 | 3♣ | ♠4 | +2 | +11 |
| +2.6 | Round 7 | INDONESIA | 17 | 3♠ | ♥3 | +1 | -6 |
| +2.3 | Round 10 | JT BICEPS | 30 | 3♠ | ♥6 | -2 | +8 |
| +2.0 | Round 7 | INDONESIA | 11 | Pass | +3 | ||
| +2.0 | Round 7 | INDONESIA | 19 | 3♣ | ♣3 | -1 | +0 |
| +2.0 | Round 9 | GARTAGANIS | 19 | 4♥ | ♠3 | = | +0 |
| +1.7 | Round 10 | JT BICEPS | 23 | 4♥ | ♠A | -1 | +12 |
| +1.4 | Round 6 | MAHAFFEY | 8 | 3♦ | ♠3 | -4 | -5 |
| +0.9 | Round 7 | INDONESIA | 15 | 2♠ | ♦9 | -1 | -3 |
| +0.9 | Round 10 | JT BICEPS | 28 | 3♥ | ♦A | = | +1 |
| +0.8 | Round 7 | INDONESIA | 12 | 3♠x | ♠J | -2 | -5 |
| +0.5 | Round 9 | GARTAGANIS | 11 | 4♠ | ♠6 | = | +1 |
| +0.4 | Round 7 | INDONESIA | 20 | 1NT | ♦7 | +2 | +10 |
| +0.4 | Round 9 | GARTAGANIS | 16 | 4♠ | ♣9 | +1 | +0 |
| +0.2 | Round 10 | JT BICEPS | 21 | 2♣ | ♣10 | +1 | -1 |
| +0.2 | Round 10 | JT BICEPS | 22 | 1♥ | ♣A | +1 | -1 |
| -0.3 | Round 9 | GARTAGANIS | 17 | 4♥ | ♦10 | +1 | +10 |
| -0.6 | Round 9 | GARTAGANIS | 18 | 3NT | ♥5 | +2 | -1 |
| -0.8 | Round 7 | INDONESIA | 13 | 4♦x | ♠3 | -2 | -14 |
| -1.1 | Round 9 | GARTAGANIS | 20 | 1NT | ♦6 | = | -2 |
| -1.2 | Round 6 | MAHAFFEY | 2 | 3NT | ♥Q | +1 | -1 |
| -1.8 | Round 10 | JT BICEPS | 27 | 2♥ | ♠K | +2 | +6 |
| -1.9 | Round 6 | MAHAFFEY | 3 | 4♥ | ♠3 | +2 | -11 |
| -2.3 | Round 10 | JT BICEPS | 24 | 3♠ | ♠2 | -2 | -6 |
| -3.0 | Round 10 | JT BICEPS | 26 | 2♥ | ♠A | = | +0 |
| -3.4 | Round 10 | JT BICEPS | 29 | 3♦ | ♠2 | -2 | -2 |
| -4.0 | Round 9 | GARTAGANIS | 14 | 3NT | ♠Q | -1 | -4 |
| -4.1 | Round 6 | MAHAFFEY | 9 | 2NT | ♠2 | = | -1 |
| -9.6 | Round 7 | INDONESIA | 16 | 4♠ | ♥6 | -1 | -11 |
| -10.4 | Round 7 | INDONESIA | 18 | 5♣ | ♦K | +1 | -13 |
| -10.9 | Round 9 | GARTAGANIS | 12 | 5♣ | ♥A | -8 | -8 |
| -10.9 | Round 9 | GARTAGANIS | 13 | 3NT | ♣5 | = | -10 |