ZHOU Yi · SYNREY RDFZ
vs par split: bidding +0.90 · play +0.16
Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted +0.79/bd
Card play — on target: opening leads 85.7% #19 of 75 · declarer play 86.7% #12 of 75 · defence 76.0% #54 of 76
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 90.0% (10) |
| Declarer play | 100.0% (5) | 80.0% (10) |
| Defence | 66.7% (9) | 81.2% (16) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (5) · ♦ 66.7% (3) · ♣ 100.0% (4)
vs par by strain: NT +2.29 (17) · a suit +0.42 (33)
vs par by level: part-score +0.94 (16) · game +1.77 (31) · slam -5.67 (3)
By role: declaring +0.45/bd (-0.44 vs par · 25) · defending +0.97/bd (+2.56 vs par · 25)
By vulnerability: vulnerable +1.10/bd (+2.48 vs par · 23) · not vulnerable +0.38/bd (-0.15 vs par · 27)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | B.Xiong | Y.Ding – T.Qin | Closed | 10 | +15.8 | +1.58 | +1.90 |
| Round 3 | B.Xiong | DAS SHOUVIK – KUSHARI SAYANTAN | Open | 10 | +0.5 | +0.05 | +0.70 |
| Round 5 | B.Xiong | A.Naser – M.Tharwat | Open | 10 | +21.5 | +2.15 | +4.10 |
| Round 7 | B.Xiong | F.Weiss – S.Velja | Closed | 10 | +5.3 | +0.53 | +1.40 |
| Round 8 | B.Xiong | M.Alishaw – S.Kennedy | Closed | 10 | -7.6 | -0.76 | -2.80 |
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 |
|---|---|---|---|---|---|---|---|
| +13.5 | Round 2 | CUST | 16 | 3♣x | ♦A | -7 | -11 |
| +9.1 | Round 5 | EGYPT | 18 | 4♠ | ♣A | = | +11 |
| +6.5 | Round 8 | NORTON | 12 | 3NT | ♠5 | -3 | +9 |
| +6.4 | Round 2 | CUST | 20 | 3♥ | ♦K | -1 | +12 |
| +5.7 | Round 2 | CUST | 12 | 5♥ | ♦K | = | +10 |
| +5.7 | Round 7 | SRBIJA VAJS | 4 | 4♥ | ♠A | -1 | +12 |
| +4.5 | Round 5 | EGYPT | 14 | 3NT | ♦2 | = | +3 |
| +4.3 | Round 3 | INDIA | 27 | 3NT | ♠Q | +1 | +0 |
| +4.3 | Round 8 | NORTON | 14 | 6♥ | ♦Q | = | +5 |
| +4.1 | Round 8 | NORTON | 16 | 2♣ | ♣4 | -4 | +2 |
| +3.9 | Round 7 | SRBIJA VAJS | 9 | 4♥ | ♣6 | +1 | +4 |
| +3.7 | Round 7 | SRBIJA VAJS | 3 | 3NT | ♣Q | -3 | +11 |
| +3.1 | Round 5 | EGYPT | 20 | 1NT | ♣8 | -1 | +11 |
| +2.7 | Round 5 | EGYPT | 13 | 4♠ | ♦A | = | +0 |
| +2.7 | Round 7 | SRBIJA VAJS | 1 | 6♠ | ♦10 | = | -11 |
| +2.3 | Round 3 | INDIA | 29 | 3♠x | ♣Q | -1 | +8 |
| +2.3 | Round 8 | NORTON | 18 | 4♥ | ♦K | +2 | +1 |
| +2.2 | Round 3 | INDIA | 23 | 4♥ | ♦2 | -1 | +6 |
| +2.1 | Round 5 | EGYPT | 17 | 3NT | ♣2 | -1 | +10 |
| +1.9 | Round 5 | EGYPT | 16 | 2♠ | ♦2 | = | +5 |
| +1.7 | Round 2 | CUST | 18 | 4♥ | ♣8 | = | +7 |
| +1.7 | Round 8 | NORTON | 20 | 4♥ | ♠K | = | -1 |
| +1.6 | Round 3 | INDIA | 26 | 5♣ | ♠A | = | +1 |
| +1.3 | Round 5 | EGYPT | 12 | 2♠ | ♣A | = | +1 |
| +1.1 | Round 3 | INDIA | 21 | 4♠ | ♦2 | -1 | +2 |
| +0.7 | Round 3 | INDIA | 30 | 5♥ | ♦A | -1 | +2 |
| +0.7 | Round 5 | EGYPT | 15 | 4♥ | ♣2 | +1 | +0 |
| +0.5 | Round 5 | EGYPT | 11 | 1NT | ♠2 | = | +0 |
| +0.5 | Round 7 | SRBIJA VAJS | 5 | 4♠ | ♥2 | = | +1 |
| +0.5 | Round 7 | SRBIJA VAJS | 6 | 3NT | ♣2 | +2 | +1 |
| +0.4 | Round 2 | CUST | 17 | 5♠ | ♥A | = | +0 |
| +0.3 | Round 8 | NORTON | 15 | 3NT | ♠J | +1 | -10 |
| -0.0 | Round 2 | CUST | 15 | 3NT | ♠6 | = | +1 |
| -0.0 | Round 7 | SRBIJA VAJS | 10 | 3NT | ♠10 | = | +0 |
| -0.9 | Round 2 | CUST | 19 | 3NT | ♣4 | = | +11 |
| -0.9 | Round 3 | INDIA | 25 | 3♦ | ♠5 | +2 | -1 |
| -1.0 | Round 3 | INDIA | 22 | 5♣ | ♦10 | = | +2 |
| -1.0 | Round 7 | SRBIJA VAJS | 8 | 1NT | ♠5 | +1 | +0 |
| -1.2 | Round 3 | INDIA | 24 | 1NT | ♥8 | -1 | -2 |
| -1.3 | Round 8 | NORTON | 13 | 3♦ | ♥5 | +1 | -10 |
| -2.0 | Round 2 | CUST | 11 | 3♠ | ♥4 | = | -6 |
| -4.3 | Round 2 | CUST | 14 | 4♠ | ♣6 | -2 | -5 |
| -4.4 | Round 5 | EGYPT | 19 | 3♠ | ♦2 | = | +0 |
| -4.7 | Round 2 | CUST | 13 | 3NT | ♠8 | +1 | +0 |
| -4.7 | Round 7 | SRBIJA VAJS | 2 | 4♥ | ♥7 | -1 | -10 |
| -4.8 | Round 8 | NORTON | 11 | 3♣ | ♥K | +1 | +0 |
| -6.0 | Round 7 | SRBIJA VAJS | 7 | 1NT | ♥5 | -4 | +6 |
| -8.6 | Round 3 | INDIA | 28 | 6♣ | ♥J | -1 | -11 |
| -8.9 | Round 8 | NORTON | 19 | 4♥ | ♦4 | -2 | -12 |
| -11.8 | Round 8 | NORTON | 17 | 3NTx | ♠7 | = | -12 |