LIU Siyi · RDFZ ZHIHAOLE
vs par split: bidding +1.10 · play -0.72
Strength of schedule: opponents averaged +0.44/bd (a tough draw) → opponent-adjusted -0.06/bd
Card play — on target: opening leads 100.0% #1 of 78 · declarer play 66.7% #47 of 78 · defence 77.3% #53 of 78
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 100.0% (7) |
| Declarer play | 50.0% (2) | 75.0% (4) |
| Defence | 100.0% (6) | 68.8% (16) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (5) · ♦ 100.0% (3) · ♣ 100.0% (1)
vs par by strain: NT +1.27 (11) · a suit +0.03 (29)
vs par by level: part-score +1.93 (15) · game -1.65 (23) · slam +12.00 (2)
By role: declaring +1.05/bd (-0.78 vs par · 18) · defending -1.76/bd (+1.32 vs par · 22)
By vulnerability: vulnerable -1.52/bd (-0.80 vs par · 20) · not vulnerable +0.53/bd (+1.55 vs par · 20)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Su | K.Probst – E.Dragcevic | Closed | 8 | +15.2 | +1.90 | +5.12 |
| Round 3 | C.Su | Z.Wang – Z.Gao | Closed | 8 | +9.1 | +1.14 | +1.88 |
| Round 4 | C.Su | T.Tang – Y.Wu | Open | 8 | -16.0 | -2.00 | +0.12 |
| Round 6 | C.Su | J.Wang – J.Yang | Open | 8 | -18.6 | -2.33 | -2.25 |
| Round 8 | C.Su | N.Xu – Y.Jiang | Closed | 8 | -9.6 | -1.20 | -3.00 |
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 |
|---|---|---|---|---|---|---|---|
| +10.4 | Round 3 | SXMARS | 19 | 6♠ | ♦4 | -2 | +13 |
| +8.2 | Round 1 | CROATIA U16 | 4 | 3♦ | ♠5 | +1 | +12 |
| +8.0 | Round 6 | SXVENUS | 14 | 3NT | ♣10 | +2 | +1 |
| +6.2 | Round 8 | SHSLLS1 | 32 | 3NT | ♥3 | = | +7 |
| +4.2 | Round 1 | CROATIA U16 | 2 | 4♥ | ♣4 | +2 | +11 |
| +3.7 | Round 3 | SXMARS | 23 | 2NT | ♦8 | = | +0 |
| +3.6 | Round 4 | SXSATURN | 31 | 4♥ | ♦Q | = | -1 |
| +3.2 | Round 4 | SXSATURN | 26 | 2♥ | ♦J | = | +5 |
| +3.2 | Round 8 | SHSLLS1 | 29 | 3♥ | ♠A | +2 | -9 |
| +3.0 | Round 3 | SXMARS | 17 | 4♠ | ♣K | +1 | +0 |
| +2.5 | Round 8 | SHSLLS1 | 27 | 2♥ | ♠2 | +1 | +0 |
| +2.2 | Round 1 | CROATIA U16 | 1 | 3NT | ♥2 | -2 | +0 |
| +2.1 | Round 6 | SXVENUS | 9 | 4♥ | ♣2 | = | +0 |
| +1.7 | Round 3 | SXMARS | 22 | 2♠ | ♦10 | = | +0 |
| +1.5 | Round 1 | CROATIA U16 | 6 | 2♦ | ♣5 | = | +11 |
| +1.4 | Round 1 | CROATIA U16 | 3 | 2♠ | ♥9 | -3 | +4 |
| +1.4 | Round 8 | SHSLLS1 | 30 | 4♠ | ♦2 | = | +3 |
| +0.9 | Round 1 | CROATIA U16 | 7 | 1♥ | ♣3 | +3 | +1 |
| +0.8 | Round 8 | SHSLLS1 | 25 | 4♠ | ♣4 | = | +1 |
| +0.3 | Round 3 | SXMARS | 21 | 3♠ | ♥10 | +1 | -1 |
| +0.1 | Round 1 | CROATIA U16 | 5 | 1♥ | ♣4 | +2 | +0 |
| -0.5 | Round 3 | SXMARS | 24 | 1NT | ♥3 | -1 | -2 |
| -1.0 | Round 4 | SXSATURN | 27 | 4♥ | ♦K | = | +0 |
| -1.2 | Round 4 | SXSATURN | 32 | 2NT | ♥6 | = | +9 |
| -1.6 | Round 4 | SXSATURN | 28 | 3♠ | ♥5 | +1 | -1 |
| -1.7 | Round 6 | SXVENUS | 13 | 4♥ | ♠8 | +1 | +0 |
| -1.9 | Round 4 | SXSATURN | 25 | 3♥ | ♦2 | = | +0 |
| -2.6 | Round 6 | SXVENUS | 15 | 4♥ | ♦A | +2 | -1 |
| -3.3 | Round 1 | CROATIA U16 | 8 | 4♥ | ♠3 | -1 | +2 |
| -3.8 | Round 6 | SXVENUS | 10 | 3NT | ♥4 | -1 | -6 |
| -4.3 | Round 3 | SXMARS | 18 | 6NT | ♣2 | +1 | +11 |
| -5.2 | Round 3 | SXMARS | 20 | 3NT | ♦Q | -1 | -6 |
| -5.8 | Round 6 | SXVENUS | 11 | 4♥ | ♣J | = | -7 |
| -7.1 | Round 8 | SHSLLS1 | 26 | 4♠ | ♣Q | = | +0 |
| -7.2 | Round 6 | SXVENUS | 12 | 4♥x | ♠8 | = | -5 |
| -7.2 | Round 8 | SHSLLS1 | 31 | 4♠ | ♥3 | -1 | -12 |
| -7.6 | Round 6 | SXVENUS | 16 | 3NT | ♠4 | +1 | +0 |
| -7.8 | Round 4 | SXSATURN | 29 | 3NT | ♥6 | +1 | +0 |
| -9.3 | Round 4 | SXSATURN | 30 | 4♥ | ♣J | -1 | -11 |
| -9.4 | Round 8 | SHSLLS1 | 28 | 4♥ | ♦5 | = | -14 |