CHEN Li · SHANGHAI YOUTH 4
716rank
-64.2Butler · 80 bds
-0.80per board
±4.7swing
-0.60vs par /bd · #542/672
-0.87adjusted /bd
by round
vs par split: bidding +0.07 · play -0.81
Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted -0.87/bd
Card play — on target: opening leads 76.5% #477 of 671 · declarer play 76.9% #363 of 671 · defence 84.8% #349 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 76.5% (17) |
| Declarer play | · | 76.9% (13) |
| Defence | · | 84.8% (33) |
Opening leads by suit led: ♠ 0.0% (1) · ♥ 66.7% (6) · ♦ 100.0% (5) · ♣ 80.0% (5)
vs par by strain: a suit -0.74 (57)
vs par by level: part-score -0.52 (25) · game -0.50 (26) · slam -2.67 (6)
By role: declaring -0.77/bd (-3.11 vs par · 36) · defending -0.83/bd (+1.46 vs par · 44)
By vulnerability: vulnerable -0.59/bd (+0.19 vs par · 43) · not vulnerable -1.04/bd (-1.51 vs par · 37)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | Y.Gu | Y.Qi – Q.Yang | Closed | 10 | -14.6 | -1.46 | +1.80 |
| Round 3 | Y.Gu | A.Kowalski – P.Tuszynski | Open | 10 | -3.0 | -0.30 | -1.80 |
| Round 5 | Y.Gu | B.Yuan – J.Lu | Open | 10 | -17.6 | -1.76 | -0.90 |
| Round 8 | Y.Gu | K.Shimamura – T.Higashiguchi | Open | 10 | -21.9 | -2.19 | -2.90 |
| Round 9 | B.Fu | R.Yang – J.Mao | Open | 10 | +2.7 | +0.27 | +0.70 |
| Round 11 | Y.Gu | J.Shen – J.Zhou | Closed | 10 | -4.2 | -0.42 | +0.70 |
| Round 12 | Y.Gu | A.Weber – A.Delorenzo | Closed | 10 | +7.3 | +0.73 | +1.80 |
| Round 13 | Y.Gu | L.Shen – L.Wang | Closed | 10 | -12.9 | -1.29 | -4.20 |
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 |
|---|---|---|---|---|---|---|---|
| +10.6 | Round 3 | ROSSARSKI | 29 | 6♦ | ♥Q | -1 | +13 |
| +10.1 | Round 9 | WEIYU JUNIOR MIDDLE SCHOOL | 30 | 3♠x | ♦8 | +1 | +10 |
| +9.7 | Round 9 | WEIYU JUNIOR MIDDLE SCHOOL | 22 | 3N | ♣Q | -2 | +12 |
| +9.7 | Round 13 | QING HAI | 1 | 6♠ | ♠4 | -2 | +11 |
| +7.8 | Round 5 | TAICANG BA | 13 | 3Nx | ♠2 | = | +8 |
| +6.9 | Round 13 | QING HAI | 10 | 5♦ | ♣A | -2 | +8 |
| +6.3 | Round 3 | ROSSARSKI | 28 | 3N | ♠4 | +1 | +5 |
| +6.3 | Round 12 | ANDREW | 21 | 4♥ | ♦6 | = | +8 |
| +6.1 | Round 11 | SH PANYU MIDDLE SCHOOL | 13 | 2♥ | ♣3 | -2 | +7 |
| +5.1 | Round 11 | SH PANYU MIDDLE SCHOOL | 16 | 5♠ | ♣9 | +1 | +1 |
| +3.9 | Round 2 | YANG JING | 14 | 5♦ | ♠3 | +2 | +18 |
| +3.2 | Round 12 | ANDREW | 26 | 2♥ | ♣A | +1 | +0 |
| +3.1 | Round 12 | ANDREW | 28 | 3♠ | ♦K | = | +7 |
| +2.8 | Round 2 | YANG JING | 12 | 4♥ | ♦J | -1 | +5 |
| +2.7 | Round 8 | FAIRY TALE | 19 | 3♦ | ♥K | -2 | +0 |
| +2.3 | Round 5 | TAICANG BA | 16 | 2♣ | ♦K | -1 | +3 |
| +2.3 | Round 5 | TAICANG BA | 18 | 4♠ | ♣3 | -1 | +5 |
| +2.3 | Round 9 | WEIYU JUNIOR MIDDLE SCHOOL | 25 | 3N | ♠J | -1 | +6 |
| +1.6 | Round 2 | YANG JING | 18 | 4♠ | ♥A | -1 | +4 |
| +1.6 | Round 11 | SH PANYU MIDDLE SCHOOL | 12 | 3♠ | ♣7 | = | +10 |
| +1.5 | Round 8 | FAIRY TALE | 17 | 3N | ♥7 | +1 | -5 |
| +1.4 | Round 2 | YANG JING | 17 | 3♣ | ♠J | +2 | +8 |
| +1.3 | Round 11 | SH PANYU MIDDLE SCHOOL | 17 | 2♠ | ♣J | -1 | +4 |
| +1.2 | Round 11 | SH PANYU MIDDLE SCHOOL | 19 | 4♠ | ♣J | +1 | +1 |
| +1.0 | Round 8 | FAIRY TALE | 18 | 1N | ♣4 | = | -1 |
| +1.0 | Round 12 | ANDREW | 24 | 1♥ | ♦A | -1 | -5 |
| +0.9 | Round 8 | FAIRY TALE | 13 | 4♠ | ♦7 | +2 | +7 |
| +0.9 | Round 13 | QING HAI | 5 | 3N | ♠2 | +2 | -12 |
| +0.8 | Round 12 | ANDREW | 25 | 3N | ♥5 | +2 | +6 |
| +0.7 | Round 2 | YANG JING | 20 | 3N | ♠4 | +2 | +13 |
| +0.7 | Round 3 | ROSSARSKI | 22 | 3N | ♦8 | +1 | -5 |
| +0.6 | Round 5 | TAICANG BA | 20 | 4♠ | ♣K | = | -1 |
| +0.5 | Round 12 | ANDREW | 23 | 3N | ♠A | -1 | +6 |
| +0.1 | Round 11 | SH PANYU MIDDLE SCHOOL | 20 | 3N | ♠5 | +3 | +13 |
| -0.0 | Round 3 | ROSSARSKI | 25 | 1N | ♠8 | = | +0 |
| -0.2 | Round 9 | WEIYU JUNIOR MIDDLE SCHOOL | 23 | 1N | ♥4 | +1 | +0 |
| -0.3 | Round 3 | ROSSARSKI | 21 | 2N | ♣10 | = | -1 |
| -0.8 | Round 12 | ANDREW | 22 | 4♣ | ♥A | = | +0 |
| -0.9 | Round 9 | WEIYU JUNIOR MIDDLE SCHOOL | 24 | 4♥ | ♠3 | = | +5 |
| -1.1 | Round 8 | FAIRY TALE | 16 | 2♠ | ♥A | +1 | +0 |
| -1.1 | Round 13 | QING HAI | 3 | 3N | ♥2 | = | -2 |
| -1.3 | Round 5 | TAICANG BA | 11 | 2♠ | ♥6 | = | -5 |
| -1.3 | Round 12 | ANDREW | 30 | 4♥ | ♦A | -1 | -5 |
| -1.3 | Round 13 | QING HAI | 7 | 4♥ | ♦A | +1 | +0 |
| -1.6 | Round 11 | SH PANYU MIDDLE SCHOOL | 18 | 4♣ | ♠3 | -1 | -4 |
| -1.9 | Round 2 | YANG JING | 11 | 1N | ♥4 | +1 | +0 |
| -1.9 | Round 9 | WEIYU JUNIOR MIDDLE SCHOOL | 29 | 4♠ | ♥K | -2 | -3 |
| -2.2 | Round 3 | ROSSARSKI | 24 | 2♣ | ♦2 | -1 | -3 |
| -2.2 | Round 9 | WEIYU JUNIOR MIDDLE SCHOOL | 28 | 5♥x | ♣K | -3 | -7 |
| -2.2 | Round 12 | ANDREW | 27 | 4♥ | ♦Q | = | +6 |
| -2.3 | Round 3 | ROSSARSKI | 23 | 4♠ | ♦J | +1 | +0 |
| -2.6 | Round 2 | YANG JING | 16 | 2♣ | ♠9 | -1 | -4 |
| -2.6 | Round 5 | TAICANG BA | 17 | 2♠ | ♦10 | -2 | +0 |
| -2.6 | Round 8 | FAIRY TALE | 20 | 4♠ | ♦J | = | +0 |
| -2.7 | Round 9 | WEIYU JUNIOR MIDDLE SCHOOL | 26 | 3♠ | ♣4 | = | +0 |
| -3.3 | Round 11 | SH PANYU MIDDLE SCHOOL | 11 | 3♦ | ♥2 | +2 | -7 |
| -3.3 | Round 12 | ANDREW | 29 | 2♥ | ♠A | -1 | -5 |
| -3.4 | Round 2 | YANG JING | 19 | 3N | ♠6 | -1 | -5 |
| -3.6 | Round 13 | QING HAI | 4 | 4♠ | ♥2 | = | +1 |
| -3.9 | Round 13 | QING HAI | 9 | 5♥x | ♠K | -4 | -4 |
| -4.2 | Round 3 | ROSSARSKI | 26 | 5♣ | ♦A | +1 | -8 |
| -4.2 | Round 5 | TAICANG BA | 14 | 1N | ♠6 | = | -5 |
| -4.2 | Round 8 | FAIRY TALE | 14 | 1N | ♠2 | = | -5 |
| -4.5 | Round 5 | TAICANG BA | 12 | 2♥ | ♥5 | -3 | -5 |
| -4.5 | Round 8 | FAIRY TALE | 12 | 3N | ♦4 | -3 | -7 |
| -4.5 | Round 13 | QING HAI | 6 | 6♣ | ♠J | -1 | -14 |
| -4.6 | Round 11 | SH PANYU MIDDLE SCHOOL | 15 | 3♣ | ♦A | +1 | -1 |
| -5.0 | Round 9 | WEIYU JUNIOR MIDDLE SCHOOL | 21 | 1♠ | ♣10 | +2 | -7 |
| -5.1 | Round 3 | ROSSARSKI | 27 | 3♠ | ♥A | +1 | -7 |
| -5.3 | Round 8 | FAIRY TALE | 11 | 4♠ | ♣A | -1 | -8 |
| -6.2 | Round 2 | YANG JING | 13 | 1N | ♣2 | -3 | -10 |
| -6.5 | Round 3 | ROSSARSKI | 30 | 5♣ | ♦J | -1 | -12 |
| -6.5 | Round 9 | WEIYU JUNIOR MIDDLE SCHOOL | 27 | 1♦x | ♥A | +1 | -9 |
| -6.8 | Round 13 | QING HAI | 8 | 6♠ | ♠3 | -1 | -17 |
| -6.9 | Round 5 | TAICANG BA | 15 | 6♦ | ♠J | +1 | +2 |
| -9.2 | Round 13 | QING HAI | 2 | 4♥ | ♠2 | -1 | -13 |
| -10.1 | Round 11 | SH PANYU MIDDLE SCHOOL | 14 | 1N | ♠4 | +4 | -17 |
| -10.3 | Round 8 | FAIRY TALE | 15 | 4♥ | ♣6 | = | -10 |
| -10.9 | Round 2 | YANG JING | 15 | 6♥ | ♣10 | = | -11 |
| -11.1 | Round 5 | TAICANG BA | 19 | 4♥ | ♠2 | = | -11 |