ZOU Liwu · ANHUI
556rank
-32.0Butler · 100 bds
-0.32per board
±4.2swing
-0.89vs par /bd · #607/672
-0.35adjusted /bd
by round
vs par split: bidding -0.04 · play -0.31
Strength of schedule: opponents averaged -0.03/bd (an average draw) → opponent-adjusted -0.35/bd
Card play — on target: opening leads 84.2% #264 of 671 · declarer play 78.6% #305 of 671 · defence 78.4% #553 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 84.2% (19) |
| Declarer play | · | 78.6% (14) |
| Defence | · | 78.4% (37) |
Opening leads by suit led: ♠ 83.3% (6) · ♥ 100.0% (3) · ♦ 75.0% (4) · ♣ 83.3% (6)
vs par by strain: a suit -0.36 (70)
vs par by level: part-score +1.48 (29) · game -2.00 (36) · slam +0.80 (5)
By role: declaring -1.12/bd (-3.46 vs par · 50) · defending +0.48/bd (+1.68 vs par · 50)
By vulnerability: vulnerable -0.43/bd (-1.22 vs par · 59) · not vulnerable -0.17/bd (-0.41 vs par · 41)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | B.He | J.Ventin – C.Pellegrini | Closed | 10 | -17.4 | -1.74 | -3.20 |
| Round 2 | B.He | K.Shimamura – P.Lin | Open | 10 | +4.5 | +0.45 | -2.70 |
| Round 4 | B.He | F.Zimmermann – M.Rehder | Closed | 10 | -22.4 | -2.24 | -2.60 |
| Round 5 | B.He | T.Walsh – P.Goodman | Closed | 10 | -13.0 | -1.30 | -2.20 |
| Round 7 | B.He | F.Mayer – G.Soo | Closed | 10 | +5.2 | +0.52 | -0.60 |
| Round 9 | B.He | A.Hsiao – V.Liu | Closed | 10 | +13.1 | +1.31 | +0.90 |
| Round 10 | B.He | Y.Bi – J.Gu | Open | 10 | +12.6 | +1.26 | +0.00 |
| Round 12 | B.He | S.Bi – Y.Wei | Open | 10 | +6.5 | +0.65 | +1.80 |
| Round 13 | B.He | Y.Gong – W.Zhang | Open | 10 | +4.4 | +0.44 | +3.30 |
| Round 15 | B.He | Y.Cheng – C.Chen | Closed | 10 | -25.5 | -2.55 | -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 |
|---|---|---|---|---|---|---|---|
| +8.5 | Round 9 | WELLWISE | 21 | 3N | ♦J | -1 | +11 |
| +7.7 | Round 13 | YUNNAN DIKUANG | 8 | 7♠ | ♦Q | -2 | +17 |
| +6.7 | Round 12 | HUATIE HAIXING | 30 | 5♦x | ♣K | -2 | +4 |
| +6.5 | Round 9 | WELLWISE | 30 | 4♠xx | ♣K | -1 | +8 |
| +6.1 | Round 13 | YUNNAN DIKUANG | 2 | 3♥ | ♠8 | = | +11 |
| +5.8 | Round 7 | EGAN | 5 | 4♠ | ♦Q | +1 | +6 |
| +5.4 | Round 12 | HUATIE HAIXING | 24 | 2♠ | ♦4 | +1 | +0 |
| +5.2 | Round 10 | SHNT CLUB | 9 | 4♥ | ♠5 | = | +8 |
| +5.1 | Round 1 | VENTIN | 3 | 4N | ♥9 | +2 | +1 |
| +5.1 | Round 10 | SHNT CLUB | 6 | 2♠ | ♣A | +3 | +6 |
| +5.1 | Round 13 | YUNNAN DIKUANG | 7 | 5♣x | ♥A | -3 | +4 |
| +4.6 | Round 2 | FAIRY TALE | 19 | 3N | ♠6 | -2 | +6 |
| +4.5 | Round 5 | DELANEY | 12 | 2♠ | ♣A | -3 | +5 |
| +4.5 | Round 13 | YUNNAN DIKUANG | 6 | 6♣ | ♥3 | -1 | +14 |
| +4.2 | Round 9 | WELLWISE | 27 | 1♦x | ♥A | = | +7 |
| +4.0 | Round 2 | FAIRY TALE | 13 | 4♥x | ♣6 | -1 | +8 |
| +3.9 | Round 10 | SHNT CLUB | 8 | 4♠x | ♣J | -1 | +0 |
| +3.8 | Round 10 | SHNT CLUB | 1 | 2N | ♥4 | = | +1 |
| +3.3 | Round 2 | FAIRY TALE | 12 | 2♠ | ♥3 | -2 | +2 |
| +3.0 | Round 1 | VENTIN | 6 | 3N | ♣5 | -1 | +4 |
| +2.9 | Round 4 | GERMANY JUNIORS | 5 | 2♥ | ♦A | = | +5 |
| +2.9 | Round 10 | SHNT CLUB | 3 | 3♥ | ♥6 | +3 | +3 |
| +2.6 | Round 4 | GERMANY JUNIORS | 6 | 4♣x | ♠Q | -2 | -8 |
| +2.6 | Round 12 | HUATIE HAIXING | 28 | 3♠ | ♠6 | +1 | +7 |
| +2.5 | Round 5 | DELANEY | 19 | 4♣ | ♠A | = | +1 |
| +2.5 | Round 15 | RIGHT CALL | 28 | 1♠ | ♦A | = | +1 |
| +2.4 | Round 4 | GERMANY JUNIORS | 3 | 3N | ♥5 | +2 | +0 |
| +2.3 | Round 1 | VENTIN | 4 | 4♠ | ♠2 | -2 | +2 |
| +2.3 | Round 9 | WELLWISE | 23 | 2♥ | ♠3 | -2 | +2 |
| +2.2 | Round 2 | FAIRY TALE | 18 | 2♠ | ♦7 | = | +0 |
| +2.2 | Round 9 | WELLWISE | 25 | 2♠ | ♥Q | -3 | +0 |
| +1.9 | Round 2 | FAIRY TALE | 11 | 1N | ♥2 | +1 | +0 |
| +1.9 | Round 9 | WELLWISE | 29 | 2♠ | ♥K | -2 | +3 |
| +1.7 | Round 2 | FAIRY TALE | 15 | 4♥ | ♦K | +1 | +0 |
| +1.6 | Round 7 | EGAN | 8 | 5♠x | ♦6 | -1 | -5 |
| +1.5 | Round 12 | HUATIE HAIXING | 29 | 3♠ | ♥Q | -1 | +0 |
| +1.2 | Round 1 | VENTIN | 1 | 3♦ | ♣K | +1 | +8 |
| +1.2 | Round 5 | DELANEY | 11 | 3♥ | ♦J | -2 | +5 |
| +1.2 | Round 5 | DELANEY | 17 | 2♠ | ♣3 | -1 | -2 |
| +1.2 | Round 13 | YUNNAN DIKUANG | 1 | 4♠ | ♥Q | = | +0 |
| +1.0 | Round 7 | EGAN | 2 | 2♠ | ♣2 | -1 | -1 |
| +0.9 | Round 4 | GERMANY JUNIORS | 2 | 3N | ♣4 | +2 | +1 |
| +0.9 | Round 9 | WELLWISE | 24 | 4♥ | ♥10 | = | -5 |
| +0.8 | Round 4 | GERMANY JUNIORS | 10 | Pass | +3 | ||
| +0.8 | Round 12 | HUATIE HAIXING | 25 | 3N | ♥5 | +2 | +6 |
| +0.7 | Round 7 | EGAN | 10 | 2♥ | ♣Q | +1 | +0 |
| +0.5 | Round 12 | HUATIE HAIXING | 23 | 5♦ | ♠6 | -1 | +6 |
| +0.2 | Round 1 | VENTIN | 10 | 3N | ♦5 | +1 | -4 |
| +0.2 | Round 2 | FAIRY TALE | 20 | 3N | ♥5 | +3 | -13 |
| +0.2 | Round 10 | SHNT CLUB | 7 | 1N | ♦9 | = | +9 |
| +0.1 | Round 7 | EGAN | 1 | 4♥ | ♦9 | = | +1 |
| -0.0 | Round 7 | EGAN | 3 | 1N | ♣A | -2 | -9 |
| +0.0 | Round 12 | HUATIE HAIXING | 21 | 3♦ | ♥A | +1 | +1 |
| +0.0 | Round 13 | YUNNAN DIKUANG | 9 | 4♠ | ♠2 | +1 | +0 |
| -0.1 | Round 7 | EGAN | 6 | 4♥ | ♣J | = | -1 |
| -0.1 | Round 13 | YUNNAN DIKUANG | 10 | 3♦ | ♥K | +1 | +0 |
| -0.2 | Round 7 | EGAN | 4 | 4♥ | ♠9 | = | -1 |
| -0.2 | Round 15 | RIGHT CALL | 22 | 4♠ | ♦8 | +1 | -5 |
| -0.3 | Round 10 | SHNT CLUB | 5 | 4♠ | ♦9 | +2 | -11 |
| -0.8 | Round 13 | YUNNAN DIKUANG | 3 | 3N | ♥7 | +2 | +0 |
| -0.9 | Round 5 | DELANEY | 14 | 3N | ♠4 | -2 | +0 |
| -1.0 | Round 10 | SHNT CLUB | 4 | 2♠ | ♦10 | -1 | -5 |
| -1.0 | Round 10 | SHNT CLUB | 10 | 2♠ | ♥2 | +1 | -1 |
| -1.0 | Round 15 | RIGHT CALL | 26 | 1N | ♠7 | -1 | +1 |
| -1.0 | Round 15 | RIGHT CALL | 29 | 4♠ | ♣A | = | +0 |
| -1.2 | Round 15 | RIGHT CALL | 23 | 1N | ♥2 | -1 | -5 |
| -1.8 | Round 1 | VENTIN | 5 | 4♠ | ♣9 | -1 | -5 |
| -1.8 | Round 7 | EGAN | 9 | 4♥ | ♠8 | +3 | +10 |
| -1.9 | Round 7 | EGAN | 7 | 4♠ | ♥6 | -1 | -6 |
| -2.1 | Round 2 | FAIRY TALE | 16 | 2N | ♣10 | = | +0 |
| -2.2 | Round 12 | HUATIE HAIXING | 27 | 4♥ | ♠A | = | +6 |
| -2.3 | Round 5 | DELANEY | 18 | 4♠ | ♣A | -1 | -5 |
| -2.3 | Round 12 | HUATIE HAIXING | 26 | 4♠ | ♣A | -1 | -6 |
| -2.4 | Round 5 | DELANEY | 15 | 3N | ♣4 | +1 | -11 |
| -2.5 | Round 4 | GERMANY JUNIORS | 9 | 2♠ | ♣8 | = | +0 |
| -3.1 | Round 9 | WELLWISE | 26 | 4♠ | ♦7 | -1 | -6 |
| -3.3 | Round 1 | VENTIN | 8 | 3N | ♣7 | -1 | -4 |
| -3.3 | Round 9 | WELLWISE | 22 | 2♠ | ♦6 | +1 | -7 |
| -3.9 | Round 2 | FAIRY TALE | 14 | 5♦ | ♠5 | +2 | -18 |
| -4.0 | Round 15 | RIGHT CALL | 24 | 3♣ | ♦A | -2 | +0 |
| -4.3 | Round 15 | RIGHT CALL | 27 | 3N | ♠9 | -2 | -6 |
| -4.8 | Round 15 | RIGHT CALL | 30 | 3N | ♠8 | +1 | +2 |
| -4.9 | Round 4 | GERMANY JUNIORS | 7 | 3N | ♥5 | -1 | -6 |
| -5.4 | Round 5 | DELANEY | 20 | 5♣x | ♣9 | -3 | -4 |
| -5.6 | Round 15 | RIGHT CALL | 25 | 7♠ | ♦6 | -2 | -17 |
| -5.7 | Round 5 | DELANEY | 13 | 3N | ♥K | +1 | -5 |
| -5.7 | Round 5 | DELANEY | 16 | 2N | ♥2 | -1 | -6 |
| -5.9 | Round 15 | RIGHT CALL | 21 | 4♠ | ♦4 | = | -7 |
| -6.0 | Round 1 | VENTIN | 2 | 3N | ♣5 | +1 | -8 |
| -6.2 | Round 10 | SHNT CLUB | 2 | 6♦ | ♥A | -1 | -10 |
| -6.3 | Round 4 | GERMANY JUNIORS | 1 | 4♠x | ♥5 | -2 | -9 |
| -6.5 | Round 1 | VENTIN | 7 | 3N | ♠J | -1 | -13 |
| -6.5 | Round 12 | HUATIE HAIXING | 22 | 3N | ♥A | = | -6 |
| -7.0 | Round 9 | WELLWISE | 28 | 5♦x | ♠K | +1 | -4 |
| -7.4 | Round 2 | FAIRY TALE | 17 | 4♥ | ♠J | = | -12 |
| -8.2 | Round 13 | YUNNAN DIKUANG | 4 | 4♠ | ♦7 | -1 | -13 |
| -8.8 | Round 4 | GERMANY JUNIORS | 8 | 5♦x | ♣Q | -3 | -8 |
| -9.5 | Round 4 | GERMANY JUNIORS | 4 | 5♦x | ♣2 | = | -4 |
| -11.1 | Round 13 | YUNNAN DIKUANG | 5 | 6♦ | ♠9 | = | +0 |
| -11.6 | Round 1 | VENTIN | 9 | 6N | ♥10 | -1 | -13 |