LING Roger · MASTER MINDS
vs par split: bidding -1.24 · play +0.90
Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted -0.09/bd
Card play — on target: opening leads 60.0% #182 of 207 · declarer play 75.0% #102 of 206 · defence 85.7% #95 of 208
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 25.0% (4) | 83.3% (6) |
| Declarer play | 100.0% (3) | 69.2% (13) |
| Defence | 83.3% (6) | 86.7% (15) |
Opening leads by suit led: ♠ 33.3% (3) · ♥ 50.0% (4) · ♦ 100.0% (2) · ♣ 100.0% (1)
vs par by strain: NT -2.23 (13) · a suit +0.33 (36)
vs par by level: part-score -0.60 (15) · game -0.58 (33) · slam +11.00 (1)
By role: declaring +1.27/bd (-0.93 vs par · 28) · defending -1.99/bd (+0.43 vs par · 21)
By vulnerability: vulnerable +0.06/bd (-0.20 vs par · 25) · not vulnerable -0.32/bd (-0.50 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | A.Yeung | H.Zhao – Y.Kuang | Open | 7 | -33.1 | -4.73 | -2.43 |
| Round 3 | A.Yeung | J.Rosenfeld – J.Gu | Open | 7 | +9.0 | +1.29 | -1.29 |
| Round 4 | P.Ling | Z.Li – SHEN (1) Qi | Closed | 7 | -10.0 | -1.43 | +0.00 |
| Round 5 | A.Yeung | R.Stephens – D.Rosslee | Open | 7 | +13.7 | +1.96 | -1.43 |
| Round 6 | A.Yeung | S.Burgess – N.Djurovic | Open | 7 | -0.2 | -0.03 | -0.29 |
| Round 7 | A.Yeung | X.He – L.Shen | Open | 7 | -5.0 | -0.71 | -1.14 |
| Round 8 | P.Ling | X.Li – R.Zhang | Closed | 7 | +19.5 | +2.79 | +4.14 |
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 |
|---|---|---|---|---|---|---|---|
| +11.5 | Round 8 | BEYOND | 24 | 2♠x | ♠7 | = | +14 |
| +8.8 | Round 5 | ROSSLEE | 6 | 4♥ | ♣Q | +1 | +8 |
| +8.6 | Round 3 | PANDA | 18 | 3NT | ♦8 | +2 | +0 |
| +7.6 | Round 8 | BEYOND | 28 | 4♥ | ♦A | = | +7 |
| +6.7 | Round 3 | PANDA | 17 | 5♦x | ♠5 | -3 | +9 |
| +5.0 | Round 5 | ROSSLEE | 7 | 4♠ | ♣4 | +1 | -13 |
| +4.6 | Round 7 | QINGHAI BRIDGE ASSOCIATION | 18 | 4♠ | ♦7 | +1 | +0 |
| +4.1 | Round 5 | ROSSLEE | 1 | 4♠ | ♦3 | = | +0 |
| +3.9 | Round 6 | BURGESS | 13 | 4♠x | ♥Q | -2 | +12 |
| +3.7 | Round 5 | ROSSLEE | 5 | 2♦ | ♠7 | = | +5 |
| +3.6 | Round 6 | BURGESS | 11 | 3NT | ♠5 | +1 | -1 |
| +3.3 | Round 7 | QINGHAI BRIDGE ASSOCIATION | 15 | 2♥ | ♠5 | -1 | +7 |
| +2.4 | Round 8 | BEYOND | 26 | 4♥ | ♣8 | -2 | +9 |
| +2.4 | Round 8 | BEYOND | 27 | 4♠ | ♥4 | = | +0 |
| +2.0 | Round 4 | GZ. ZHAOHENG2 | 25 | 4♥ | ♠A | -1 | +6 |
| +1.8 | Round 3 | PANDA | 19 | 3NT | ♦4 | = | +0 |
| +1.4 | Round 4 | GZ. ZHAOHENG2 | 23 | 3NT | ♠10 | = | +0 |
| +1.3 | Round 2 | ZHIHAOLE | 9 | 1NTx | ♠3 | -1 | -2 |
| +1.2 | Round 2 | ZHIHAOLE | 13 | 4♠ | ♦8 | = | -1 |
| +1.1 | Round 4 | GZ. ZHAOHENG2 | 22 | 4♠ | ♦A | +1 | +0 |
| +0.9 | Round 6 | BURGESS | 14 | 4♥ | ♦10 | -2 | -1 |
| +0.5 | Round 5 | ROSSLEE | 3 | 2♠ | ♥6 | +1 | +0 |
| +0.1 | Round 8 | BEYOND | 22 | 4♥ | ♥2 | = | +1 |
| -0.2 | Round 3 | PANDA | 20 | 4♠ | ♦Q | = | -1 |
| -0.3 | Round 5 | ROSSLEE | 2 | 2NT | ♥2 | = | +0 |
| -0.3 | Round 7 | QINGHAI BRIDGE ASSOCIATION | 17 | 4♠ | ♦10 | = | +1 |
| -0.5 | Round 7 | QINGHAI BRIDGE ASSOCIATION | 21 | 2♠ | ♥A | = | +0 |
| -0.5 | Round 8 | BEYOND | 23 | 3NT | ♠10 | +2 | -2 |
| -0.7 | Round 4 | GZ. ZHAOHENG2 | 28 | 1NT | ♥K | -1 | -1 |
| -1.0 | Round 4 | GZ. ZHAOHENG2 | 24 | 2♥ | ♣J | -2 | +0 |
| -1.0 | Round 6 | BURGESS | 12 | 2NT | ♣5 | +2 | +6 |
| -1.0 | Round 7 | QINGHAI BRIDGE ASSOCIATION | 20 | 4♥ | ♦4 | = | +1 |
| -1.5 | Round 3 | PANDA | 21 | 4♥ | ♣7 | +1 | +0 |
| -1.5 | Round 6 | BURGESS | 10 | 3NT | ♦7 | = | +1 |
| -2.5 | Round 2 | ZHIHAOLE | 8 | 4♠x | ♥Q | -1 | +0 |
| -2.5 | Round 3 | PANDA | 16 | 2NT | ♠K | -2 | -11 |
| -2.5 | Round 7 | QINGHAI BRIDGE ASSOCIATION | 16 | 3♠ | ♣8 | +1 | -6 |
| -2.9 | Round 6 | BURGESS | 8 | 3NT | ♥10 | -1 | -5 |
| -3.2 | Round 6 | BURGESS | 9 | 3NT | ♥5 | = | -14 |
| -3.8 | Round 4 | GZ. ZHAOHENG2 | 27 | 2♥ | ♠A | +1 | -1 |
| -3.9 | Round 3 | PANDA | 15 | 4♠ | ♦Q | -1 | -6 |
| -4.0 | Round 8 | BEYOND | 25 | 4♥ | ♠Q | +1 | +0 |
| -6.7 | Round 2 | ZHIHAOLE | 11 | 5♥x | ♦A | = | -5 |
| -7.7 | Round 2 | ZHIHAOLE | 10 | 3♠ | ♦7 | +2 | -10 |
| -8.0 | Round 2 | ZHIHAOLE | 12 | 4♥ | ♥7 | -1 | -10 |
| -8.1 | Round 5 | ROSSLEE | 4 | 2♠ | ♥7 | +3 | -10 |
| -8.6 | Round 7 | QINGHAI BRIDGE ASSOCIATION | 19 | 4♠ | ♥Q | = | -11 |
| -9.0 | Round 4 | GZ. ZHAOHENG2 | 26 | 5♣x | ♥A | +1 | -4 |
| -10.7 | Round 2 | ZHIHAOLE | 14 | 6♠ | ♥Q | +1 | +11 |