ZHOU Weichen · SCTT
717rank
-65.6Butler · 80 bds
-0.82per board
±3.7swing
-0.26vs par /bd · #434/672
-1.09adjusted /bd
by round
vs par split: bidding -0.47 · play -0.92
Strength of schedule: opponents averaged -0.27/bd (an easy draw) → opponent-adjusted -1.09/bd
Card play — on target: opening leads 71.4% #552 of 671 · declarer play 75.0% #406 of 671 · defence 90.3% #132 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 71.4% (14) |
| Declarer play | · | 75.0% (12) |
| Defence | · | 90.3% (31) |
Opening leads by suit led: ♠ 0.0% (2) · ♥ 100.0% (5) · ♦ 100.0% (2) · ♣ 60.0% (5)
vs par by strain: a suit -1.40 (53)
vs par by level: part-score -0.70 (27) · game -2.79 (24) · slam +6.00 (2)
By role: declaring -0.92/bd (-3.03 vs par · 31) · defending -0.76/bd (+1.49 vs par · 49)
By vulnerability: vulnerable -0.82/bd (-0.38 vs par · 45) · not vulnerable -0.83/bd (-0.11 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | Y.Huo | R.Okuno – P.Lin | Open | 10 | +3.9 | +0.39 | +2.10 |
| Round 4 | Y.Huo | S.Bi – Y.Wei | Open | 10 | -5.4 | -0.54 | -0.40 |
| Round 5 | Y.Huo | Y.Zhang – Y.Zhang | Open | 10 | +1.1 | +0.11 | -0.40 |
| Round 7 | Y.Huo | N.Chitlangia – H.Bangur | Open | 10 | -13.2 | -1.32 | -0.60 |
| Round 8 | Y.Huo | A.Hobart – F.Hoffer | Open | 10 | -35.4 | -3.54 | -3.00 |
| Round 9 | Y.Huo | P.Gill – C.Boylson | Closed | 10 | -8.2 | -0.82 | -1.40 |
| Round 12 | Y.Huo | Z.Nan – X.Liu | Open | 10 | -8.2 | -0.82 | -2.00 |
| Round 13 | Y.Huo | M.Dix – M.Parnis-England | Open | 10 | -0.2 | -0.02 | +3.60 |
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 13 | SECOND CHANCE | 7 | 3♠x | ♥A | -4 | +10 |
| +8.5 | Round 9 | GILL | 21 | 3N | ♦5 | -1 | +11 |
| +6.5 | Round 12 | TIANJIN UNION | 24 | 3N | ♣4 | = | +11 |
| +6.4 | Round 5 | SHANGHAI YOUTH 1 | 15 | 6♦ | ♣5 | = | -2 |
| +6.3 | Round 3 | FAIRY TALE | 28 | 3N | ♠4 | -1 | +11 |
| +6.3 | Round 5 | SHANGHAI YOUTH 1 | 13 | 3♣ | ♠2 | -1 | +11 |
| +5.9 | Round 3 | FAIRY TALE | 21 | 3N | ♣9 | -1 | +6 |
| +4.5 | Round 13 | SECOND CHANCE | 6 | 6♠ | ♥4 | -1 | +14 |
| +3.5 | Round 4 | HUATIE HAIXING | 10 | 3N | ♠9 | -1 | +6 |
| +3.3 | Round 4 | HUATIE HAIXING | 9 | 1N | ♠4 | +1 | +6 |
| +3.0 | Round 7 | CHITLANGIA | 3 | Pass | +11 | ||
| +2.7 | Round 3 | FAIRY TALE | 27 | 3N | ♠J | -1 | +5 |
| +2.3 | Round 3 | FAIRY TALE | 23 | 4♠ | ♣10 | +1 | +0 |
| +2.2 | Round 12 | TIANJIN UNION | 27 | 4♥ | ♦Q | = | -6 |
| +2.1 | Round 4 | HUATIE HAIXING | 4 | 1♠ | ♥J | +3 | +10 |
| +1.9 | Round 9 | GILL | 24 | 4♥ | ♣2 | +1 | -5 |
| +1.3 | Round 3 | FAIRY TALE | 29 | 5♦ | ♣A | +1 | -1 |
| +1.3 | Round 12 | TIANJIN UNION | 30 | 4♥ | ♦A | -1 | +5 |
| +1.2 | Round 5 | SHANGHAI YOUTH 1 | 11 | 3♣ | ♠9 | -2 | +5 |
| +1.1 | Round 13 | SECOND CHANCE | 3 | 3N | ♦5 | = | +2 |
| +0.8 | Round 7 | CHITLANGIA | 9 | 4♥ | ♦K | +2 | -11 |
| +0.6 | Round 4 | HUATIE HAIXING | 3 | 3N | ♥9 | = | -2 |
| +0.3 | Round 3 | FAIRY TALE | 22 | 3N | ♥2 | = | +5 |
| +0.2 | Round 9 | GILL | 23 | 1N | ♠Q | +1 | +0 |
| +0.1 | Round 7 | CHITLANGIA | 6 | 4♥ | ♥J | = | +1 |
| -0.0 | Round 12 | TIANJIN UNION | 21 | 3♦ | ♠6 | +1 | -1 |
| +0.0 | Round 13 | SECOND CHANCE | 9 | 4♠ | ♠2 | +1 | +0 |
| -0.1 | Round 7 | CHITLANGIA | 1 | 4♥ | ♦8 | = | -1 |
| -0.1 | Round 13 | SECOND CHANCE | 10 | 2♦ | ♥3 | +2 | +0 |
| -0.3 | Round 5 | SHANGHAI YOUTH 1 | 12 | 2♦ | ♠7 | -1 | -1 |
| -0.5 | Round 12 | TIANJIN UNION | 23 | 3N | ♠A | -1 | -6 |
| -0.6 | Round 5 | SHANGHAI YOUTH 1 | 20 | 4♠ | ♥5 | = | +1 |
| -0.7 | Round 7 | CHITLANGIA | 10 | 3♥ | ♣Q | = | +0 |
| -0.8 | Round 7 | CHITLANGIA | 4 | 4♥ | ♠3 | +1 | +0 |
| -0.8 | Round 12 | TIANJIN UNION | 25 | 3N | ♠9 | +2 | -6 |
| -0.9 | Round 8 | BARAN | 13 | 4♠ | ♦7 | +2 | -7 |
| -0.9 | Round 13 | SECOND CHANCE | 5 | 3N | ♥5 | +2 | +12 |
| -1.0 | Round 3 | FAIRY TALE | 25 | 1N | ♣6 | -1 | -1 |
| -1.0 | Round 4 | HUATIE HAIXING | 5 | 2♥ | ♥3 | -1 | +1 |
| -1.0 | Round 5 | SHANGHAI YOUTH 1 | 14 | 3♦ | ♣7 | = | +0 |
| -1.0 | Round 7 | CHITLANGIA | 2 | 1N | ♠10 | = | +1 |
| -1.1 | Round 4 | HUATIE HAIXING | 2 | 3N | ♣9 | = | -1 |
| -1.1 | Round 7 | CHITLANGIA | 5 | 5♦x | ♠4 | -1 | +0 |
| -1.1 | Round 8 | BARAN | 14 | 2♥ | ♠3 | = | +0 |
| -1.2 | Round 13 | SECOND CHANCE | 8 | 4♠ | ♠3 | +2 | +14 |
| -1.4 | Round 4 | HUATIE HAIXING | 8 | 2♥ | ♣5 | +1 | +0 |
| -1.5 | Round 8 | BARAN | 18 | 2♥ | ♠5 | = | +0 |
| -1.5 | Round 9 | GILL | 30 | 3♠ | ♣2 | = | +0 |
| -1.7 | Round 13 | SECOND CHANCE | 1 | 5♦x | ♠A | -2 | -3 |
| -2.1 | Round 9 | GILL | 28 | 3N | ♠A | +3 | +3 |
| -2.2 | Round 4 | HUATIE HAIXING | 1 | 5♦ | ♥5 | -2 | -5 |
| -2.3 | Round 5 | SHANGHAI YOUTH 1 | 16 | 1N | ♠5 | -1 | -3 |
| -2.3 | Round 5 | SHANGHAI YOUTH 1 | 18 | 4♠ | ♣3 | -1 | -5 |
| -2.3 | Round 8 | BARAN | 12 | 2N | ♣10 | = | +1 |
| -2.3 | Round 9 | GILL | 25 | 3N | ♠3 | -1 | -6 |
| -2.5 | Round 8 | BARAN | 17 | 3N | ♦Q | +2 | +5 |
| -2.5 | Round 9 | GILL | 22 | 2♠ | ♣2 | +2 | -6 |
| -2.5 | Round 12 | TIANJIN UNION | 29 | 2♥ | ♠K | +1 | -1 |
| -2.6 | Round 9 | GILL | 27 | 2♠ | ♦6 | +1 | +0 |
| -2.7 | Round 8 | BARAN | 19 | 3♦ | ♥K | -2 | +0 |
| -2.9 | Round 5 | SHANGHAI YOUTH 1 | 17 | 3♦ | ♠6 | -2 | -5 |
| -3.1 | Round 9 | GILL | 26 | 4♠ | ♥2 | -1 | -6 |
| -3.2 | Round 12 | TIANJIN UNION | 26 | 2♠ | ♣A | +1 | +0 |
| -3.3 | Round 3 | FAIRY TALE | 30 | 3N | ♥2 | = | +6 |
| -3.4 | Round 5 | SHANGHAI YOUTH 1 | 19 | 2♠ | ♠5 | = | -5 |
| -3.6 | Round 12 | TIANJIN UNION | 22 | 5♣ | ♥5 | -1 | -5 |
| -3.7 | Round 3 | FAIRY TALE | 26 | 5♦x | ♦6 | -1 | -3 |
| -3.7 | Round 4 | HUATIE HAIXING | 6 | 3♣ | ♠Q | -1 | -12 |
| -3.7 | Round 8 | BARAN | 15 | 2♠ | ♠5 | -1 | -6 |
| -4.1 | Round 13 | SECOND CHANCE | 2 | 4♥ | ♣5 | +1 | +0 |
| -4.6 | Round 8 | BARAN | 11 | 3N | ♦7 | +1 | -4 |
| -4.7 | Round 7 | CHITLANGIA | 7 | 3♠ | ♥3 | +1 | -1 |
| -4.7 | Round 9 | GILL | 29 | 2♣ | ♣2 | = | -5 |
| -5.0 | Round 8 | BARAN | 16 | 2♥ | ♥7 | = | -6 |
| -5.5 | Round 4 | HUATIE HAIXING | 7 | 2♥ | ♣K | +1 | -7 |
| -6.9 | Round 3 | FAIRY TALE | 24 | 3N | ♣A | +1 | -7 |
| -7.6 | Round 12 | TIANJIN UNION | 28 | 4♠ | ♦K | -1 | -11 |
| -8.2 | Round 13 | SECOND CHANCE | 4 | 3N | ♥3 | -1 | -13 |
| -8.7 | Round 7 | CHITLANGIA | 8 | 5♦x | ♦7 | = | -6 |
| -11.1 | Round 8 | BARAN | 20 | 4♥ | ♥8 | -2 | -13 |