YANG Boyuan · SHENGXING GREEN
vs par split: bidding +0.25 · play +0.42
Strength of schedule: opponents averaged -0.28/bd (an easy draw) → opponent-adjusted +0.42/bd
Card play — on target: opening leads 72.2% #92 of 124 · declarer play 69.2% #57 of 124 · defence 96.7% #5 of 124
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (4) | 78.6% (14) |
| Declarer play | 0.0% (1) | 75.0% (12) |
| Defence | 90.9% (11) | 100.0% (19) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 50.0% (4) · ♦ 100.0% (2) · ♣ 71.4% (7)
vs par by strain: NT +0.22 (18) · a suit +0.88 (41)
vs par by level: part-score +2.37 (19) · game +0.00 (39) · slam -5.00 (1)
By role: declaring +1.59/bd (-1.67 vs par · 30) · defending -0.18/bd (+2.60 vs par · 30)
By vulnerability: vulnerable +0.78/bd (+0.63 vs par · 30) · not vulnerable +0.63/bd (+0.30 vs par · 30)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Zhang | Y.Yao – B.Liu | Open | 10 | +38.0 | +3.80 | +0.50 |
| Round 2 | C.Gu | S.Li – Y.Hu | Closed | 10 | +25.1 | +2.51 | +0.20 |
| Round 4 | Y.Zhang | R.Wang – H.Xu | Open | 10 | -14.9 | -1.49 | -0.40 |
| Round 5 | C.Gu | N.Lang – X.Hou | Closed | 10 | +1.3 | +0.13 | +1.30 |
| Round 7 | Y.Chen | Z.Zhuo – Y.Liu | Closed | 10 | -1.5 | -0.15 | -1.00 |
| Round 8 | Y.Chen | M.Liu – H.Hou | Open | 10 | -5.8 | -0.58 | +2.20 |
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 |
|---|---|---|---|---|---|---|---|
| +12.7 | Round 1 | CHINA RDFZ YELLOW | 10 | 4♣x | ♠Q | -5 | +13 |
| +9.1 | Round 7 | CHINA RDFZ BLUE | 4 | 4♥ | ♠A | = | +0 |
| +7.7 | Round 2 | SHENGXING RED | 11 | 4♠ | ♥4 | = | +11 |
| +7.1 | Round 4 | SHENGXING SATURN | 10 | 3♥ | ♣J | -4 | +6 |
| +6.9 | Round 7 | CHINA RDFZ BLUE | 1 | 4♠ | ♠3 | +3 | +14 |
| +6.2 | Round 1 | CHINA RDFZ YELLOW | 5 | 3NT | ♦Q | +2 | +1 |
| +6.2 | Round 5 | SHENGXING YELLOW | 16 | 2♥x | ♠K | -2 | +9 |
| +6.1 | Round 1 | CHINA RDFZ YELLOW | 4 | 4♠ | ♦Q | -2 | +12 |
| +5.8 | Round 1 | CHINA RDFZ YELLOW | 1 | 3NT | ♠K | = | -1 |
| +5.6 | Round 2 | SHENGXING RED | 13 | 4♥ | ♣3 | +1 | +1 |
| +4.3 | Round 2 | SHENGXING RED | 14 | 3NT | ♠5 | -2 | +5 |
| +4.2 | Round 8 | CHINA RDFZ HOPE 1 | 11 | 3♣ | ♥K | = | -1 |
| +3.9 | Round 2 | SHENGXING RED | 18 | 2♥ | ♠4 | +1 | +0 |
| +3.8 | Round 1 | CHINA RDFZ YELLOW | 3 | 3NT | ♥5 | +3 | +2 |
| +3.5 | Round 2 | SHENGXING RED | 19 | 4♥ | ♠10 | = | -11 |
| +3.4 | Round 8 | CHINA RDFZ HOPE 1 | 18 | 5♣ | ♠K | -1 | +8 |
| +3.0 | Round 5 | SHENGXING YELLOW | 13 | 4♠ | ♣6 | +1 | +1 |
| +2.8 | Round 2 | SHENGXING RED | 16 | 4NT | ♣2 | +1 | +17 |
| +2.7 | Round 5 | SHENGXING YELLOW | 12 | 3♣ | ♠9 | -1 | +0 |
| +2.6 | Round 8 | CHINA RDFZ HOPE 1 | 17 | 2♣ | ♦J | = | +5 |
| +2.4 | Round 1 | CHINA RDFZ YELLOW | 2 | 3NT | ♥9 | = | -1 |
| +2.3 | Round 5 | SHENGXING YELLOW | 17 | 3NT | ♣5 | -1 | +10 |
| +2.0 | Round 1 | CHINA RDFZ YELLOW | 8 | 4♥ | ♣Q | = | -9 |
| +2.0 | Round 4 | SHENGXING SATURN | 3 | 4♠ | ♣A | +1 | +6 |
| +1.4 | Round 1 | CHINA RDFZ YELLOW | 9 | 2♠ | ♣6 | -3 | +1 |
| +1.4 | Round 4 | SHENGXING SATURN | 7 | 2♥ | ♥4 | +1 | +1 |
| +1.4 | Round 5 | SHENGXING YELLOW | 19 | 3♦x | ♥3 | -1 | +6 |
| +1.3 | Round 7 | CHINA RDFZ BLUE | 5 | 4♠ | ♣J | = | -1 |
| +1.2 | Round 2 | SHENGXING RED | 15 | 4♥ | ♦5 | = | +0 |
| +1.2 | Round 4 | SHENGXING SATURN | 4 | 4♥ | ♦9 | +1 | +0 |
| +1.1 | Round 5 | SHENGXING YELLOW | 18 | 4♠ | ♥K | -1 | +2 |
| +0.8 | Round 2 | SHENGXING RED | 17 | 4♠ | ♦9 | +1 | +0 |
| +0.6 | Round 8 | CHINA RDFZ HOPE 1 | 15 | 3NT | ♠4 | = | +11 |
| +0.6 | Round 8 | CHINA RDFZ HOPE 1 | 16 | 3♦ | ♣7 | -2 | +1 |
| +0.4 | Round 7 | CHINA RDFZ BLUE | 8 | 2NT | ♥4 | = | +0 |
| +0.2 | Round 8 | CHINA RDFZ HOPE 1 | 13 | 3♦ | ♥5 | +2 | +10 |
| +0.0 | Round 1 | CHINA RDFZ YELLOW | 7 | 4♠ | ♥Q | -1 | -6 |
| -0.0 | Round 5 | SHENGXING YELLOW | 11 | 1NT | ♥3 | = | +0 |
| -0.2 | Round 2 | SHENGXING RED | 12 | 4♥ | ♦K | +2 | -9 |
| -0.3 | Round 4 | SHENGXING SATURN | 9 | 4♥ | ♣A | = | -11 |
| -0.6 | Round 5 | SHENGXING YELLOW | 15 | 4♥ | ♣4 | +1 | +0 |
| -1.2 | Round 7 | CHINA RDFZ BLUE | 6 | 3NT | ♣4 | +2 | -1 |
| -1.5 | Round 8 | CHINA RDFZ HOPE 1 | 12 | 1NT | ♣J | -1 | -5 |
| -2.2 | Round 7 | CHINA RDFZ BLUE | 2 | 2♥ | ♥6 | +1 | +7 |
| -2.4 | Round 1 | CHINA RDFZ YELLOW | 6 | 3NT | ♥K | = | -7 |
| -2.4 | Round 4 | SHENGXING SATURN | 6 | 5♣ | ♦K | = | +2 |
| -2.6 | Round 4 | SHENGXING SATURN | 1 | 3♠x | ♥7 | -3 | +10 |
| -2.8 | Round 7 | CHINA RDFZ BLUE | 10 | 3NT | ♠6 | +1 | -1 |
| -3.2 | Round 7 | CHINA RDFZ BLUE | 7 | Pass | -12 | ||
| -3.2 | Round 8 | CHINA RDFZ HOPE 1 | 20 | 4♥ | ♠K | = | +1 |
| -3.6 | Round 5 | SHENGXING YELLOW | 14 | 3NT | ♦Q | -1 | -8 |
| -4.1 | Round 4 | SHENGXING SATURN | 2 | 3NT | ♦3 | = | +1 |
| -4.4 | Round 7 | CHINA RDFZ BLUE | 9 | 4♥ | ♣4 | +1 | -4 |
| -4.5 | Round 2 | SHENGXING RED | 20 | 4♥ | ♦K | -1 | -12 |
| -5.4 | Round 7 | CHINA RDFZ BLUE | 3 | 3NT | ♣Q | -4 | -12 |
| -6.1 | Round 8 | CHINA RDFZ HOPE 1 | 14 | 6♥ | ♠6 | = | -5 |
| -6.2 | Round 4 | SHENGXING SATURN | 8 | 4♥ | ♣4 | +1 | -8 |
| -6.6 | Round 8 | CHINA RDFZ HOPE 1 | 19 | 4♥ | ♣K | = | -3 |
| -11.0 | Round 4 | SHENGXING SATURN | 5 | 2♠x | ♦4 | = | -11 |
| -11.2 | Round 5 | SHENGXING YELLOW | 20 | 2NTx | ♥3 | +1 | -7 |