CHENG Qiang · BARR
vs par split: bidding -0.08 · play +0.60
Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted -0.10/bd
Card play — on target: opening leads 55.6% #172 of 187 · declarer play 69.2% #119 of 187 · defence 87.0% #90 of 187
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 33.3% (3) | 66.7% (6) |
| Declarer play | 0.0% (1) | 75.0% (12) |
| Defence | 85.7% (7) | 87.5% (16) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (1) · ♦ 50.0% (4) · ♣ 0.0% (1)
vs par by strain: NT +1.54 (11) · a suit -0.10 (38)
vs par by level: part-score -1.33 (12) · game +0.78 (37)
By role: declaring -0.23/bd (-2.04 vs par · 26) · defending +0.21/bd (+2.87 vs par · 23)
By vulnerability: vulnerable -0.30/bd (-0.58 vs par · 24) · not vulnerable +0.24/bd (+1.08 vs par · 25)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | Y.Hou | L.Lei – H.Ying | Open | 7 | +14.0 | +2.00 | +3.43 |
| Round 3 | Y.Hou | G.Hampson – J.Meyers | Open | 7 | +1.2 | +0.17 | +3.00 |
| Round 4 | Y.Hou | K.Djauhari – R.Andhani | Open | 7 | +4.0 | +0.57 | -0.71 |
| Round 5 | Y.Hou | C.Willenken – D.Berkowitz | Open | 7 | -11.1 | -1.59 | -5.00 |
| Round 6 | Y.Hou | W.He – H.Yang | Open | 7 | +17.2 | +2.46 | +3.29 |
| Round 7 | Y.Hou | M.Hu – Y.Zhou | Closed | 7 | -16.9 | -2.41 | -2.14 |
| Round 8 | Y.Hou | D.Berkowitz – L.Berkowitz | Closed | 7 | -9.7 | -1.39 | +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 |
|---|---|---|---|---|---|---|---|
| +12.0 | Round 6 | JILINSHENGQIAOPAIXIEHUI | 11 | 5♦x | ♦K | -3 | +14 |
| +10.3 | Round 6 | JILINSHENGQIAOPAIXIEHUI | 14 | 4♥ | ♥A | = | +11 |
| +8.5 | Round 2 | LUCKY STAR | 11 | 5♥ | ♦K | -1 | +11 |
| +8.2 | Round 4 | PERTAMINA EP BLUE | 26 | 5♣x | ♦A | +1 | +4 |
| +5.0 | Round 8 | TAYLOR | 26 | 3♠ | ♥Q | +1 | +10 |
| +4.5 | Round 5 | WILLENKEN | 7 | 4♠ | ♦K | +1 | -13 |
| +4.1 | Round 4 | PERTAMINA EP BLUE | 28 | 1NT | ♥7 | = | +5 |
| +3.4 | Round 3 | DIAMOND | 15 | 4♠ | ♦Q | -1 | +6 |
| +3.2 | Round 6 | JILINSHENGQIAOPAIXIEHUI | 9 | 5♣ | ♥A | = | +14 |
| +2.9 | Round 3 | DIAMOND | 18 | 3NT | ♣7 | -1 | +13 |
| +2.5 | Round 6 | JILINSHENGQIAOPAIXIEHUI | 8 | 3NT | ♥10 | -1 | +5 |
| +2.4 | Round 2 | LUCKY STAR | 14 | 4♠ | ♥Q | = | +15 |
| +2.3 | Round 7 | SAIC | 17 | 4♠ | ♥2 | +2 | +1 |
| +2.1 | Round 3 | DIAMOND | 21 | 4♥ | ♣2 | +1 | +0 |
| +2.0 | Round 2 | LUCKY STAR | 10 | 4♠ | ♥7 | +1 | +0 |
| +2.0 | Round 3 | DIAMOND | 16 | 2NT | ♠K | -1 | +10 |
| +1.7 | Round 2 | LUCKY STAR | 9 | 2♥ | ♦7 | -2 | -2 |
| +1.7 | Round 2 | LUCKY STAR | 12 | 4♥ | ♣7 | = | +0 |
| +1.6 | Round 5 | WILLENKEN | 4 | 4♠ | ♥7 | +1 | +0 |
| +1.1 | Round 6 | JILINSHENGQIAOPAIXIEHUI | 10 | 4♠ | ♦5 | = | +0 |
| +0.8 | Round 7 | SAIC | 20 | 4♠ | ♦A | +1 | +0 |
| +0.8 | Round 8 | TAYLOR | 27 | 4♠ | ♦7 | = | +0 |
| +0.7 | Round 8 | TAYLOR | 23 | 3NT | ♠10 | +1 | -1 |
| +0.2 | Round 3 | DIAMOND | 20 | 3NT | ♦Q | = | +2 |
| -0.3 | Round 2 | LUCKY STAR | 13 | 4NT | ♦A | +1 | +0 |
| -0.6 | Round 4 | PERTAMINA EP BLUE | 22 | 5♠ | ♦K | = | +0 |
| -0.6 | Round 7 | SAIC | 21 | 4♥ | ♠3 | -1 | +2 |
| -0.9 | Round 4 | PERTAMINA EP BLUE | 27 | 2♠ | ♥3 | -1 | -4 |
| -1.0 | Round 5 | WILLENKEN | 2 | 2♣ | ♠7 | +1 | +0 |
| -1.1 | Round 5 | WILLENKEN | 5 | 1♠ | ♦7 | = | +0 |
| -1.2 | Round 4 | PERTAMINA EP BLUE | 23 | 3NT | ♠10 | = | +0 |
| -1.3 | Round 3 | DIAMOND | 19 | 3NT | ♠4 | +1 | -1 |
| -1.5 | Round 8 | TAYLOR | 22 | 4♥ | ♠10 | +1 | +0 |
| -2.0 | Round 2 | LUCKY STAR | 8 | 4♠ | ♥Q | -2 | +0 |
| -2.0 | Round 6 | JILINSHENGQIAOPAIXIEHUI | 12 | 1NT | ♣5 | +1 | -7 |
| -2.2 | Round 4 | PERTAMINA EP BLUE | 24 | 2♥ | ♦K | -1 | -4 |
| -2.6 | Round 5 | WILLENKEN | 3 | 3♥ | ♠9 | -1 | -3 |
| -2.6 | Round 7 | SAIC | 16 | 4♠ | ♦J | = | +0 |
| -3.0 | Round 8 | TAYLOR | 24 | 4♥ | ♠Q | = | +0 |
| -3.2 | Round 7 | SAIC | 18 | 4♠ | ♦7 | +2 | -1 |
| -3.4 | Round 4 | PERTAMINA EP BLUE | 25 | 4♥ | ♠K | -1 | -6 |
| -4.7 | Round 7 | SAIC | 19 | 4♠ | ♥Q | -1 | -5 |
| -4.8 | Round 8 | TAYLOR | 25 | 4♥ | ♠2 | +1 | +0 |
| -5.3 | Round 5 | WILLENKEN | 6 | 4♥ | ♦K | -1 | -9 |
| -6.9 | Round 8 | TAYLOR | 28 | 1NT | ♣6 | -5 | -9 |
| -7.2 | Round 5 | WILLENKEN | 1 | 4♠ | ♥3 | -1 | -10 |
| -8.1 | Round 3 | DIAMOND | 17 | 5♦x | ♥A | -3 | -9 |
| -8.9 | Round 7 | SAIC | 15 | 3♥ | ♦J | -4 | -12 |
| -9.9 | Round 6 | JILINSHENGQIAOPAIXIEHUI | 13 | 4♥x | ♦A | = | -14 |