DONG Chunhui · FEIXIANG
vs par split: bidding +1.10 · play +0.15
Strength of schedule: opponents averaged -0.50/bd (an easy draw) → opponent-adjusted +0.43/bd
Card play — on target: opening leads 66.7% #477 of 518 · declarer play 66.7% #397 of 517 · defence 85.0% #185 of 518
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 33.3% (3) | 83.3% (6) |
| Declarer play | 66.7% (3) | · |
| Defence | 66.7% (3) | 88.2% (17) |
Opening leads by suit led: ♠ 50.0% (4) · ♥ 50.0% (2) · ♦ 100.0% (1) · ♣ 100.0% (2)
vs par by strain: NT +0.50 (10) · a suit +1.50 (30)
vs par by level: part-score +2.00 (19) · game +1.28 (18) · slam -3.67 (3)
By role: declaring +0.61/bd (-0.35 vs par · 20) · defending +1.24/bd (+2.85 vs par · 20)
By vulnerability: vulnerable +1.17/bd (+0.65 vs par · 20) · not vulnerable +0.69/bd (+1.85 vs par · 20)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | Y.Liu | I.Kislitsyna – F.Bernal | Closed | 10 | +3.1 | +0.31 | +0.50 |
| Round 5 | Y.Liu | F.Hinden – G.Osborne | Closed | 10 | +11.4 | +1.14 | +2.20 |
| Round 7 | Y.Liu | M.Kamil – S.Culham | Open | 10 | +14.5 | +1.45 | +3.80 |
| Round 10 | Y.Liu | C.Hoyos – A.Lavin | Closed | 10 | +8.0 | +0.80 | -1.50 |
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 |
|---|---|---|---|---|---|---|---|
| +10.8 | Round 5 | BADGER | 23 | 4♥ | ♣5 | +1 | +11 |
| +9.2 | Round 5 | BADGER | 30 | 4♠x | ♥3 | -4 | +8 |
| +7.7 | Round 3 | ROMAMIAMI | 7 | 3♠ | ♣Q | -3 | +5 |
| +7.4 | Round 7 | KAMIL | 20 | 2♦x | ♣8 | -2 | -3 |
| +7.3 | Round 7 | KAMIL | 12 | 5♣ | ♠2 | -1 | +12 |
| +5.9 | Round 3 | ROMAMIAMI | 10 | 2♥ | ♠9 | -3 | +6 |
| +5.5 | Round 3 | ROMAMIAMI | 5 | 3NT | ♠4 | = | -2 |
| +4.8 | Round 10 | ARVECHICO | 21 | 4♥ | ♠3 | -1 | +6 |
| +4.6 | Round 10 | ARVECHICO | 30 | 1NTx | ♠J | +2 | -1 |
| +3.9 | Round 10 | ARVECHICO | 26 | 2♥ | ♠A | +1 | +1 |
| +3.0 | Round 3 | ROMAMIAMI | 1 | 3NT | ♠7 | = | +7 |
| +2.7 | Round 7 | KAMIL | 15 | 3♥ | ♦Q | -1 | +6 |
| +2.4 | Round 7 | KAMIL | 14 | 5♣ | ♥A | = | +0 |
| +2.3 | Round 5 | BADGER | 26 | 6NT | ♥A | = | +0 |
| +2.3 | Round 10 | ARVECHICO | 24 | 4♠ | ♠3 | -2 | +6 |
| +1.8 | Round 7 | KAMIL | 19 | 1NT | ♠2 | -1 | +4 |
| +1.7 | Round 5 | BADGER | 21 | 2♥ | ♣K | -1 | +1 |
| +1.7 | Round 10 | ARVECHICO | 25 | 4♠ | ♦8 | = | +0 |
| +0.9 | Round 3 | ROMAMIAMI | 3 | 3NT | ♣10 | +2 | +1 |
| +0.8 | Round 7 | KAMIL | 13 | 4♦x | ♣3 | -2 | +14 |
| +0.8 | Round 10 | ARVECHICO | 27 | 2♥ | ♦5 | +1 | -6 |
| +0.7 | Round 10 | ARVECHICO | 29 | 2♠ | ♦K | = | +0 |
| +0.5 | Round 5 | BADGER | 25 | 5♦x | ♣K | -1 | +0 |
| +0.3 | Round 3 | ROMAMIAMI | 6 | 4♥ | ♣8 | = | +1 |
| +0.0 | Round 5 | BADGER | 24 | 1NT | ♠8 | -3 | +7 |
| -0.7 | Round 7 | KAMIL | 11 | 2♠ | ♣Q | -1 | -2 |
| -1.2 | Round 10 | ARVECHICO | 22 | 2♥ | ♣A | +1 | +0 |
| -1.7 | Round 10 | ARVECHICO | 23 | 4♥ | ♠A | -1 | -12 |
| -1.8 | Round 5 | BADGER | 22 | 2♣x | ♠7 | -2 | +5 |
| -2.0 | Round 3 | ROMAMIAMI | 8 | 1♠ | ♥10 | -1 | +6 |
| -2.0 | Round 7 | KAMIL | 16 | 4♠ | ♥5 | +2 | -1 |
| -2.6 | Round 7 | KAMIL | 17 | 2♠ | ♥3 | +2 | +6 |
| -2.6 | Round 7 | KAMIL | 18 | 6♣ | ♦K | = | +2 |
| -2.9 | Round 5 | BADGER | 27 | 5♦ | ♥J | -1 | -5 |
| -3.6 | Round 5 | BADGER | 29 | 3NT | ♥J | +1 | +0 |
| -3.7 | Round 3 | ROMAMIAMI | 9 | 2NT | ♠5 | -1 | -6 |
| -4.8 | Round 5 | BADGER | 28 | 1NT | ♠10 | = | -5 |
| -7.1 | Round 3 | ROMAMIAMI | 2 | 4♠ | ♥3 | = | +0 |
| -7.4 | Round 3 | ROMAMIAMI | 4 | 6♦ | ♦3 | -1 | -13 |
| -7.9 | Round 10 | ARVECHICO | 28 | 5♦x | ♥Q | -3 | -9 |