LIU Ethan · SHEN
vs par split: bidding -0.36 · play -0.55
Strength of schedule: opponents averaged +0.09/bd (a tough draw) → opponent-adjusted +0.08/bd
Card play — on target: opening leads 100.0% #1 of 43 · declarer play 62.5% #35 of 43 · defence 78.8% #42 of 43
Bidding activity — not a pass: 29.6% #43 of 43 (47/159)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 100.0% (12) |
| Declarer play | 33.3% (3) | 80.0% (5) |
| Defence | 78.6% (14) | 78.9% (19) |
Opening leads by suit led: ♠ 100.0% (5) · ♥ 100.0% (4) · ♦ 100.0% (4) · ♣ 100.0% (4)
vs par by strain: NT +0.18 (22) · a suit -1.62 (34)
vs par by level: part-score -2.33 (21) · game -0.19 (32) · slam +1.33 (3)
By role: declaring +1.12/bd (-3.04 vs par · 23) · defending -0.79/bd (+0.58 vs par · 33)
By vulnerability: vulnerable +0.02/bd (-1.46 vs par · 28) · not vulnerable -0.04/bd (-0.36 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Sun | T.Bessis – I.Baroni | Closed | 8 | +5.5 | +0.69 | -1.00 |
| Round 2 | X.Sun | K.Mak – S.Wu | Open | 8 | -2.3 | -0.29 | -1.75 |
| Round 3 | X.Sun | K.Dwyer Rimstedt – C.Dwyer Rimstedt | Closed | 8 | +11.3 | +1.41 | -1.25 |
| Round 4 | X.Sun | A.Sontag – B.Levin | Open | 8 | -8.6 | -1.07 | -0.62 |
| Round 5 | X.Sun | D.Bilde – D.Bilde | Closed | 8 | -8.6 | -1.07 | -0.62 |
| Round 6 | X.Sun | Q.Robert – C.Puillet | Open | 8 | +11.1 | +1.39 | +2.25 |
| Round 7 | X.Sun | M.Klukowski – J.Zmuda | Closed | 8 | -8.8 | -1.10 | -3.38 |
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 |
|---|---|---|---|---|---|---|---|
| +11.4 | Round 2 | GEELY AUTOMOBILE | 16 | 3NT | ♥Q | = | +7 |
| +6.0 | Round 6 | DAISY CHAIN | 10 | 3NT | ♦Q | = | -1 |
| +5.9 | Round 1 | MINITER | 3 | 4♠ | ♣A | -1 | +6 |
| +5.9 | Round 3 | MILLENS | 22 | 5♣ | ♥K | -1 | +9 |
| +5.6 | Round 1 | MINITER | 5 | 4♠ | ♦9 | = | -1 |
| +4.9 | Round 3 | MILLENS | 17 | 4♥ | ♠T | +1 | +7 |
| +4.6 | Round 6 | DAISY CHAIN | 16 | 3NTx | ♠K | = | +4 |
| +3.6 | Round 6 | DAISY CHAIN | 12 | 6NT | ♥J | = | +0 |
| +3.4 | Round 1 | MINITER | 1 | 3NT | ♦9 | -2 | +6 |
| +3.3 | Round 4 | SIMSON | 30 | 3♠ | ♦T | -1 | +10 |
| +3.1 | Round 3 | MILLENS | 23 | 5♦ | ♥3 | +1 | -13 |
| +3.1 | Round 7 | EDMONDS | 20 | 3NT | ♠9 | -2 | +8 |
| +1.9 | Round 5 | GUPTA | 7 | 3NT | ♠3 | +1 | -1 |
| +1.4 | Round 3 | MILLENS | 21 | 1NT | ♠2 | +5 | -9 |
| +1.1 | Round 1 | MINITER | 2 | 3♦ | ♣A | +1 | -9 |
| +1.1 | Round 5 | GUPTA | 8 | 2♠ | ♣7 | -3 | +1 |
| +0.9 | Round 4 | SIMSON | 26 | 3♣ | ♠Q | +1 | -11 |
| +0.7 | Round 3 | MILLENS | 18 | 3NT | ♥4 | = | +1 |
| +0.7 | Round 6 | DAISY CHAIN | 9 | 3NT | ♣5 | = | +2 |
| +0.7 | Round 7 | EDMONDS | 23 | 3♥ | ♠7 | = | +0 |
| +0.6 | Round 4 | SIMSON | 29 | 1♠ | ♥8 | +3 | +1 |
| +0.3 | Round 3 | MILLENS | 19 | 3♦ | ♦6 | -1 | +2 |
| +0.1 | Round 2 | GEELY AUTOMOBILE | 10 | 3♠ | ♦Q | -2 | -7 |
| +0.1 | Round 2 | GEELY AUTOMOBILE | 12 | 3♠ | ♣9 | +2 | +6 |
| +0.0 | Round 5 | GUPTA | 5 | 4♥ | ♦T | +1 | -1 |
| +0.0 | Round 6 | DAISY CHAIN | 11 | 4♠ | ♠7 | +1 | +1 |
| +0.0 | Round 6 | DAISY CHAIN | 14 | 3NT | ♣K | = | +0 |
| -0.1 | Round 7 | EDMONDS | 22 | 3♣ | ♠4 | +3 | -6 |
| -0.4 | Round 1 | MINITER | 6 | 3NT | ♠8 | = | -1 |
| -0.4 | Round 2 | GEELY AUTOMOBILE | 15 | 3NT | ♥3 | +1 | +0 |
| -0.6 | Round 1 | MINITER | 4 | 3NT | ♦J | -2 | +7 |
| -0.6 | Round 7 | EDMONDS | 19 | 3NT | ♦5 | +3 | -1 |
| -0.7 | Round 2 | GEELY AUTOMOBILE | 13 | 3♦ | ♣K | = | +0 |
| -0.7 | Round 4 | SIMSON | 27 | 3NT | ♥3 | +2 | +0 |
| -0.9 | Round 5 | GUPTA | 4 | 4♠ | ♦3 | +1 | +0 |
| -0.9 | Round 6 | DAISY CHAIN | 13 | 6♠ | ♠4 | +1 | +13 |
| -1.0 | Round 7 | EDMONDS | 18 | 3NT | ♠8 | -1 | -3 |
| -1.4 | Round 2 | GEELY AUTOMOBILE | 11 | 2NT | ♥9 | +3 | -2 |
| -1.4 | Round 5 | GUPTA | 3 | 4♠ | ♥6 | -1 | -5 |
| -1.6 | Round 4 | SIMSON | 25 | 4♥ | ♠A | = | +0 |
| -1.6 | Round 5 | GUPTA | 6 | 3♥ | ♠3 | -2 | +1 |
| -1.9 | Round 3 | MILLENS | 20 | 4♥ | ♠7 | +1 | +0 |
| -2.3 | Round 5 | GUPTA | 2 | 2♠ | ♦7 | = | +0 |
| -2.4 | Round 4 | SIMSON | 32 | 1NT | ♥5 | = | +1 |
| -2.4 | Round 7 | EDMONDS | 24 | 5♣ | ♠J | +1 | -9 |
| -2.9 | Round 6 | DAISY CHAIN | 15 | 2♥ | ♣T | +1 | -1 |
| -3.0 | Round 4 | SIMSON | 31 | 3♠ | ♦4 | = | -6 |
| -3.1 | Round 3 | MILLENS | 24 | 3NT | ♠3 | = | -7 |
| -3.6 | Round 7 | EDMONDS | 21 | 2♠ | ♠2 | = | -5 |
| -4.1 | Round 2 | GEELY AUTOMOBILE | 14 | 2♥ | ♦K | -1 | -8 |
| -4.4 | Round 1 | MINITER | 7 | 6♣ | ♠A | -2 | -9 |
| -4.9 | Round 7 | EDMONDS | 17 | 4♠x | ♥3 | -1 | -11 |
| -5.1 | Round 1 | MINITER | 8 | 1NT | ♦5 | +2 | -7 |
| -5.4 | Round 5 | GUPTA | 1 | 3NT | ♠7 | = | +0 |
| -5.7 | Round 4 | SIMSON | 28 | 4♠ | ♦6 | = | +0 |
| -7.3 | Round 2 | GEELY AUTOMOBILE | 9 | 5♣ | ♠K | = | -10 |