LI Changcheng · YENOVA
638rank
-96.8Butler · 80 bds
-1.21per board
±3.8swing
-0.71vs par /bd · #491/567
-1.38adjusted /bd
by round
vs par split: bidding +0.55 · play -1.26
Strength of schedule: opponents averaged -0.17/bd (an easy draw) → opponent-adjusted -1.38/bd
Card play — on target: opening leads 73.9% #447 of 567 · declarer play 73.7% #362 of 567 · defence 65.9% #564 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 33.3% (6) | 88.2% (17) |
| Declarer play | 100.0% (2) | 70.6% (17) |
| Defence | 50.0% (12) | 71.9% (32) |
Opening leads by suit led: ♠ 87.5% (8) · ♥ 42.9% (7) · ♦ 75.0% (4) · ♣ 100.0% (4)
vs par by strain: NT -0.41 (22) · a suit -0.83 (58)
vs par by level: part-score -0.49 (39) · game -1.29 (38) · slam +3.67 (3)
By role: declaring -1.54/bd (-2.47 vs par · 36) · defending -0.94/bd (+0.73 vs par · 44)
By vulnerability: vulnerable -1.43/bd (-1.30 vs par · 40) · not vulnerable -0.99/bd (-0.12 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Zhang | J.You – F.Gao | Closed | 10 | -17.4 | -1.74 | -2.50 |
| Round 2 | X.Zhang | J.Mourgues – L.Thuillez | Open | 10 | +3.0 | +0.30 | -1.40 |
| Round 3 | X.Zhang | L.Soudan – P.Mathieu | Open | 10 | -13.3 | -1.33 | +0.20 |
| Round 7 | X.Zhang | S.Humphries – D.Humphries | Open | 10 | -14.2 | -1.42 | +1.50 |
| Round 8 | X.Zhang | J.Shi – S.Zhou | Open | 10 | -26.6 | -2.66 | -2.70 |
| Round 10 | X.Zhang | E.Mcgowan – F.Mcquaker | Closed | 10 | -10.3 | -1.03 | +1.20 |
| Round 11 | X.Zhang | L.Lei – L.Zhou | Closed | 10 | -3.5 | -0.35 | +0.00 |
| Round 12 | X.Zhang | B.Tang – D.Cui | Closed | 10 | -14.5 | -1.45 | -2.00 |
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 |
|---|---|---|---|---|---|---|---|
| +8.5 | Round 12 | METALLURGY FED | 28 | 5♠ | ♣6 | -1 | +14 |
| +7.2 | Round 2 | PSG | 19 | 4♠ | ♣9 | -2 | +8 |
| +6.8 | Round 10 | SCOTMARK | 2 | 3♠ | ♣J | +1 | +8 |
| +6.5 | Round 2 | PSG | 11 | 5♣x | ♦8 | = | +4 |
| +4.8 | Round 11 | JILIN BA | 17 | 2♥ | ♠2 | = | +11 |
| +4.4 | Round 2 | PSG | 13 | 1NT | ♦K | -1 | +5 |
| +4.4 | Round 11 | JILIN BA | 15 | 3♦ | ♥A | -1 | +12 |
| +3.7 | Round 10 | SCOTMARK | 4 | 4♦ | ♠A | -1 | +6 |
| +3.2 | Round 11 | JILIN BA | 16 | 4♥ | ♠6 | -1 | +5 |
| +3.1 | Round 1 | WUHAN DONGFANG | 8 | 4♠ | ♥4 | -1 | +10 |
| +2.9 | Round 3 | CARIBBEAN PIRATES | 28 | 3♥ | ♠Q | +2 | +6 |
| +2.8 | Round 12 | METALLURGY FED | 30 | 4♠x | ♦3 | -1 | +6 |
| +2.7 | Round 7 | GINNAN | 4 | 5♦ | ♠6 | = | +3 |
| +2.4 | Round 12 | METALLURGY FED | 22 | 6♣ | ♦J | = | -2 |
| +2.2 | Round 1 | WUHAN DONGFANG | 5 | 3♣ | ♣4 | +2 | +7 |
| +2.2 | Round 7 | GINNAN | 10 | 4♦ | ♠Q | -1 | +6 |
| +2.0 | Round 3 | CARIBBEAN PIRATES | 27 | 3NT | ♦6 | = | +3 |
| +1.8 | Round 3 | CARIBBEAN PIRATES | 23 | 3♣ | ♥3 | = | +6 |
| +1.4 | Round 1 | WUHAN DONGFANG | 9 | 4♥ | ♦A | -1 | -3 |
| +1.4 | Round 11 | JILIN BA | 12 | 3NT | ♠10 | +1 | +0 |
| +1.2 | Round 7 | GINNAN | 3 | 1NT | ♥10 | +1 | +0 |
| +1.1 | Round 3 | CARIBBEAN PIRATES | 26 | 4♥ | ♠K | +2 | +13 |
| +0.8 | Round 11 | JILIN BA | 20 | 2♦ | ♦4 | = | +1 |
| +0.6 | Round 2 | PSG | 14 | 3♦ | ♦4 | = | +5 |
| +0.5 | Round 11 | JILIN BA | 14 | 4♣ | ♦Q | +1 | -1 |
| +0.3 | Round 3 | CARIBBEAN PIRATES | 24 | 5♦ | ♥3 | = | +2 |
| +0.1 | Round 7 | GINNAN | 7 | 2♥ | ♣8 | = | +0 |
| +0.0 | Round 1 | WUHAN DONGFANG | 10 | 1NT | ♥3 | +1 | +0 |
| -0.0 | Round 8 | WUHAN | 11 | 5♠ | ♥K | = | +0 |
| +0.0 | Round 8 | WUHAN | 14 | 3NT | ♠J | +2 | +0 |
| -0.2 | Round 10 | SCOTMARK | 3 | 2♣ | ♦3 | +3 | +6 |
| -0.3 | Round 2 | PSG | 12 | 4♥ | ♦5 | -1 | -10 |
| -0.3 | Round 3 | CARIBBEAN PIRATES | 30 | 4♥ | ♣6 | +1 | +0 |
| -0.4 | Round 7 | GINNAN | 8 | 3NT | ♥Q | +2 | +10 |
| -0.5 | Round 1 | WUHAN DONGFANG | 7 | 2NT | ♥5 | = | +0 |
| -0.5 | Round 8 | WUHAN | 15 | 3NT | ♠2 | = | -1 |
| -0.6 | Round 1 | WUHAN DONGFANG | 1 | 3♠ | ♣3 | +1 | -6 |
| -0.6 | Round 8 | WUHAN | 13 | 3♦ | ♠A | = | -1 |
| -1.0 | Round 8 | WUHAN | 20 | 2♠ | ♥J | -1 | -5 |
| -1.0 | Round 10 | SCOTMARK | 8 | 6NT | ♣7 | +1 | +11 |
| -1.2 | Round 2 | PSG | 20 | 2♠ | ♥A | +1 | -8 |
| -1.5 | Round 10 | SCOTMARK | 9 | 1NT | ♦9 | = | -5 |
| -1.9 | Round 12 | METALLURGY FED | 21 | 1NT | ♥A | -2 | -3 |
| -2.1 | Round 3 | CARIBBEAN PIRATES | 22 | 3NT | ♣Q | -2 | -6 |
| -2.1 | Round 12 | METALLURGY FED | 23 | 1NTx | ♥A | -1 | -2 |
| -2.2 | Round 12 | METALLURGY FED | 26 | 3♦ | ♦6 | -2 | -2 |
| -2.3 | Round 12 | METALLURGY FED | 24 | 3NT | ♥J | -2 | -8 |
| -2.4 | Round 10 | SCOTMARK | 6 | 4♠ | ♣10 | -1 | -6 |
| -2.7 | Round 2 | PSG | 16 | 3♦ | ♣2 | +1 | +0 |
| -2.7 | Round 7 | GINNAN | 2 | 2♠ | ♣A | = | -5 |
| -2.8 | Round 2 | PSG | 18 | 2♥ | ♣3 | = | -1 |
| -3.3 | Round 2 | PSG | 15 | 4♥ | ♦10 | = | -6 |
| -3.4 | Round 7 | GINNAN | 1 | 4♥ | ♦4 | -3 | -2 |
| -3.4 | Round 10 | SCOTMARK | 5 | 2♠ | ♦3 | = | +0 |
| -3.6 | Round 1 | WUHAN DONGFANG | 3 | 2NT | ♦9 | -1 | -5 |
| -3.6 | Round 3 | CARIBBEAN PIRATES | 21 | 4♥ | ♠K | +1 | +0 |
| -3.7 | Round 8 | WUHAN | 16 | 3♦ | ♥3 | = | +0 |
| -3.7 | Round 8 | WUHAN | 19 | 4♦ | ♠4 | -1 | -10 |
| -3.7 | Round 10 | SCOTMARK | 10 | 3♠ | ♥A | -1 | -5 |
| -3.8 | Round 1 | WUHAN DONGFANG | 6 | 2♠ | ♦A | = | -11 |
| -3.9 | Round 8 | WUHAN | 17 | 3♣ | ♠6 | +1 | -1 |
| -3.9 | Round 10 | SCOTMARK | 7 | 3NT | ♦8 | +1 | -1 |
| -3.9 | Round 11 | JILIN BA | 18 | 3♠ | ♣2 | -1 | -4 |
| -4.2 | Round 7 | GINNAN | 9 | 3NT | ♠Q | = | +13 |
| -4.5 | Round 7 | GINNAN | 6 | 4♥ | ♦6 | -2 | -5 |
| -4.6 | Round 11 | JILIN BA | 13 | 3NT | ♠4 | = | -10 |
| -4.7 | Round 10 | SCOTMARK | 1 | 2NT | ♦9 | -3 | -2 |
| -5.0 | Round 11 | JILIN BA | 19 | 2♠ | ♣J | +1 | -10 |
| -5.0 | Round 12 | METALLURGY FED | 27 | 3NT | ♥5 | +2 | -1 |
| -5.1 | Round 11 | JILIN BA | 11 | 5♦ | ♠4 | -1 | -4 |
| -5.2 | Round 3 | CARIBBEAN PIRATES | 29 | 4♠ | ♥5 | = | -10 |
| -5.2 | Round 7 | GINNAN | 5 | 4♥ | ♣J | -3 | -5 |
| -5.4 | Round 2 | PSG | 17 | 4♠ | ♥2 | -2 | -11 |
| -5.7 | Round 8 | WUHAN | 12 | 6♦ | ♠3 | = | +2 |
| -7.2 | Round 12 | METALLURGY FED | 25 | 4♥ | ♣A | +3 | -14 |
| -7.5 | Round 8 | WUHAN | 18 | 3♦ | ♣5 | +2 | -11 |
| -7.5 | Round 12 | METALLURGY FED | 29 | 4♠ | ♣3 | -2 | -8 |
| -7.6 | Round 1 | WUHAN DONGFANG | 2 | 3NT | ♣3 | = | -7 |
| -8.0 | Round 1 | WUHAN DONGFANG | 4 | 4♥ | ♦9 | = | -10 |
| -10.2 | Round 3 | CARIBBEAN PIRATES | 25 | 4♥ | ♦A | = | -12 |