ZHANG Xiao · SH PANYU MIDDLE SCHOOL
600rank
-31.1Butler · 80 bds
-0.39per board
±4.2swing
-0.30vs par /bd · #449/672
-0.79adjusted /bd
by round
vs par split: bidding +0.12 · play -0.02
Strength of schedule: opponents averaged -0.40/bd (an easy draw) → opponent-adjusted -0.79/bd
Card play — on target: opening leads 81.8% #329 of 671 · declarer play 70.6% #492 of 671 · defence 82.1% #460 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 81.8% (11) |
| Declarer play | · | 70.6% (17) |
| Defence | · | 82.1% (28) |
Opening leads by suit led: ♠ 83.3% (6) · ♦ 50.0% (2) · ♣ 100.0% (3)
vs par by strain: a suit +0.10 (59)
vs par by level: part-score -0.58 (26) · game +0.58 (31) · slam +1.50 (2)
By role: declaring -0.36/bd (-1.98 vs par · 43) · defending -0.42/bd (+1.65 vs par · 37)
By vulnerability: vulnerable -0.10/bd (-0.07 vs par · 45) · not vulnerable -0.76/bd (-0.60 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Shen | J.Mao – R.Yang | Closed | 10 | +5.5 | +0.55 | +2.00 |
| Round 3 | J.Shen | G.Tislevoll – M.Rahelt | Closed | 10 | -23.1 | -2.31 | -0.80 |
| Round 5 | J.Shen | W.Han – J.Zhang | Closed | 10 | -3.4 | -0.34 | +0.20 |
| Round 6 | J.Shen | A.Weber – A.Delorenzo | Closed | 10 | +10.2 | +1.02 | +0.20 |
| Round 8 | J.Shen | P.Gill – C.Boylson | Open | 10 | -8.0 | -0.80 | -1.30 |
| Round 12 | J.Shen | G.Lei – Y.Mei | Closed | 10 | +16.0 | +1.60 | +2.30 |
| Round 13 | K.Lu | H.Lei – M.Gao | Closed | 10 | -14.4 | -1.44 | -4.60 |
| Round 15 | K.Lu | Y.Shi – T.Zhou | Closed | 10 | -13.9 | -1.39 | -0.40 |
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 |
|---|---|---|---|---|---|---|---|
| +14.6 | Round 6 | ANDREW | 26 | 4♠ | ♥Q | = | +14 |
| +11.6 | Round 1 | WEIYU JUNIOR MIDDLE SCHOOL | 9 | 6N | ♥10 | -1 | +13 |
| +8.3 | Round 1 | WEIYU JUNIOR MIDDLE SCHOOL | 7 | 3♦ | ♠6 | -2 | +13 |
| +7.4 | Round 12 | HUBEI YICHANG | 27 | 5♦ | ♥3 | -1 | +12 |
| +5.9 | Round 12 | HUBEI YICHANG | 22 | 4♠ | ♥A | -3 | +7 |
| +5.6 | Round 15 | KOREA-CHINA | 25 | 6♠ | ♥3 | -2 | +17 |
| +5.1 | Round 6 | ANDREW | 21 | 4♥ | ♥8 | +2 | +1 |
| +4.8 | Round 13 | TRIJET | 10 | 3N | ♥K | -1 | +6 |
| +3.5 | Round 8 | GILL | 12 | 2♥ | ♣2 | +2 | +1 |
| +3.2 | Round 12 | HUBEI YICHANG | 26 | 2♠ | ♣A | +1 | +0 |
| +2.9 | Round 5 | BLUEMAROON | 17 | 2♠ | ♦9 | = | +6 |
| +2.7 | Round 3 | DENNOR | 28 | 1N | ♦A | +1 | +7 |
| +2.6 | Round 3 | DENNOR | 25 | 1Nx | ♠8 | = | +3 |
| +2.3 | Round 5 | BLUEMAROON | 18 | 4♠ | ♣3 | -1 | +5 |
| +1.9 | Round 5 | BLUEMAROON | 14 | 3♠ | ♣K | = | +1 |
| +1.9 | Round 5 | BLUEMAROON | 15 | 4♥ | ♠K | +1 | +11 |
| +1.8 | Round 1 | WEIYU JUNIOR MIDDLE SCHOOL | 5 | 4♠ | ♠2 | -1 | +5 |
| +1.8 | Round 6 | ANDREW | 24 | 1N | ♠K | = | -1 |
| +1.5 | Round 12 | HUBEI YICHANG | 29 | 3♠ | ♠2 | -1 | +0 |
| +1.2 | Round 15 | KOREA-CHINA | 23 | 1N | ♥2 | -1 | +5 |
| +1.1 | Round 8 | GILL | 14 | 2♥ | ♣2 | = | +0 |
| +1.0 | Round 13 | TRIJET | 8 | 4♠ | ♠6 | +1 | -14 |
| +1.0 | Round 15 | KOREA-CHINA | 29 | 4♠ | ♣K | = | +0 |
| +0.9 | Round 6 | ANDREW | 29 | 2♦ | ♣3 | +1 | +0 |
| +0.9 | Round 8 | GILL | 13 | 4♠ | ♠4 | +2 | +7 |
| +0.7 | Round 1 | WEIYU JUNIOR MIDDLE SCHOOL | 10 | 4♥ | ♠4 | +1 | +4 |
| +0.6 | Round 5 | BLUEMAROON | 20 | 4♠ | ♣A | = | -1 |
| +0.6 | Round 8 | GILL | 17 | 3N | ♥2 | = | -6 |
| +0.6 | Round 15 | KOREA-CHINA | 24 | 2N | ♣3 | -1 | -4 |
| +0.5 | Round 3 | DENNOR | 23 | 3N | ♥10 | = | -2 |
| +0.5 | Round 3 | DENNOR | 29 | 3N | ♥K | = | -2 |
| +0.5 | Round 5 | BLUEMAROON | 11 | 3♣ | ♠7 | -1 | -4 |
| +0.5 | Round 12 | HUBEI YICHANG | 23 | 5♦ | ♠2 | -1 | +6 |
| +0.4 | Round 6 | ANDREW | 23 | 3♥ | ♠6 | = | +0 |
| +0.3 | Round 5 | BLUEMAROON | 12 | 2♦ | ♣A | -1 | +1 |
| +0.2 | Round 15 | KOREA-CHINA | 22 | 4♠ | ♥3 | +1 | +5 |
| +0.1 | Round 13 | TRIJET | 5 | 4N | ♥5 | = | -12 |
| +0.0 | Round 3 | DENNOR | 24 | 3♦ | ♣K | +1 | +0 |
| +0.0 | Round 12 | HUBEI YICHANG | 21 | 3♦ | ♥A | +1 | +1 |
| -0.0 | Round 13 | TRIJET | 9 | 4♠ | ♠4 | +1 | +0 |
| -0.1 | Round 1 | WEIYU JUNIOR MIDDLE SCHOOL | 8 | 3♦ | ♠2 | = | +0 |
| -0.2 | Round 6 | ANDREW | 27 | 4♥ | ♦K | -1 | -5 |
| -0.2 | Round 12 | HUBEI YICHANG | 25 | 3N | ♥2 | +1 | +5 |
| -0.2 | Round 13 | TRIJET | 3 | 4♠ | ♥A | = | -1 |
| -0.2 | Round 15 | KOREA-CHINA | 21 | 2♠ | ♣Q | +1 | +0 |
| -0.3 | Round 12 | HUBEI YICHANG | 28 | 5♦x | ♠A | -2 | +4 |
| -0.4 | Round 13 | TRIJET | 7 | 4♥ | ♠9 | = | +1 |
| -0.6 | Round 1 | WEIYU JUNIOR MIDDLE SCHOOL | 2 | 4♠x | ♣Q | -2 | +0 |
| -0.7 | Round 12 | HUBEI YICHANG | 24 | 3♦ | ♠A | +1 | -7 |
| -0.8 | Round 8 | GILL | 15 | 4♣ | ♦A | -2 | +1 |
| -1.1 | Round 8 | GILL | 16 | 3♠ | ♣2 | = | +0 |
| -1.2 | Round 13 | TRIJET | 1 | 4♠ | ♦3 | = | +0 |
| -1.3 | Round 12 | HUBEI YICHANG | 30 | 4♥ | ♦A | -1 | -5 |
| -1.7 | Round 3 | DENNOR | 22 | 3N | ♠2 | +2 | +4 |
| -1.9 | Round 6 | ANDREW | 28 | 3N | ♠6 | = | -2 |
| -2.1 | Round 15 | KOREA-CHINA | 27 | 3♥ | ♦7 | = | +0 |
| -2.3 | Round 1 | WEIYU JUNIOR MIDDLE SCHOOL | 3 | 4♠x | ♣A | -3 | +4 |
| -2.3 | Round 1 | WEIYU JUNIOR MIDDLE SCHOOL | 4 | 4♠ | ♥10 | -2 | -2 |
| -2.4 | Round 8 | GILL | 11 | 4♥x | ♣K | -1 | -5 |
| -2.4 | Round 8 | GILL | 18 | 2♠ | ♥Q | -1 | -4 |
| -2.6 | Round 6 | ANDREW | 25 | 3♥ | ♦4 | -1 | -6 |
| -2.6 | Round 8 | GILL | 20 | 4♠ | ♦J | = | +0 |
| -3.1 | Round 6 | ANDREW | 30 | 3♦ | ♥2 | = | +1 |
| -3.2 | Round 5 | BLUEMAROON | 19 | 2♥ | ♣6 | +2 | -2 |
| -3.6 | Round 13 | TRIJET | 4 | 4♠ | ♠J | = | +1 |
| -4.3 | Round 1 | WEIYU JUNIOR MIDDLE SCHOOL | 6 | 3N | ♠8 | -2 | -5 |
| -4.3 | Round 5 | BLUEMAROON | 16 | 1Nx | ♠5 | -2 | -4 |
| -4.5 | Round 13 | TRIJET | 6 | 6♠ | ♠8 | -1 | -14 |
| -4.8 | Round 6 | ANDREW | 22 | 3♠ | ♦A | -1 | +0 |
| -4.8 | Round 8 | GILL | 19 | 4♥ | ♣2 | -2 | -7 |
| -4.9 | Round 3 | DENNOR | 30 | 3N | ♥7 | +2 | +4 |
| -5.0 | Round 15 | KOREA-CHINA | 30 | 4♥ | ♦10 | -1 | -11 |
| -5.9 | Round 3 | DENNOR | 26 | 5♦ | ♣K | -1 | -5 |
| -6.3 | Round 5 | BLUEMAROON | 13 | 3N | ♠2 | -1 | -11 |
| -6.3 | Round 15 | KOREA-CHINA | 28 | 2♣ | ♦J | = | -5 |
| -6.5 | Round 3 | DENNOR | 27 | 3N | ♠5 | = | -7 |
| -7.3 | Round 1 | WEIYU JUNIOR MIDDLE SCHOOL | 1 | 3♠ | ♣A | = | -12 |
| -8.9 | Round 15 | KOREA-CHINA | 26 | 1Nx | ♦5 | +1 | -11 |
| -10.4 | Round 3 | DENNOR | 21 | 3N | ♣10 | +1 | -10 |
| -10.4 | Round 13 | TRIJET | 2 | 4♥ | ♠6 | -2 | -13 |