DU Lixin · SUZHOU TAIHU
493rank
-22.1Butler · 100 bds
-0.22per board
±4.2swing
-1.05vs par /bd · #629/672
-0.34adjusted /bd
by round
vs par split: bidding -1.22 · play -0.03
Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted -0.34/bd
Card play — on target: opening leads 87.5% #162 of 671 · declarer play 77.3% #345 of 671 · defence 80.8% #500 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 87.5% (16) |
| Declarer play | · | 77.3% (22) |
| Defence | · | 80.8% (26) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (2) · ♦ 100.0% (3) · ♣ 77.8% (9)
vs par by strain: a suit -1.25 (63)
vs par by level: part-score -0.22 (27) · game -0.97 (33) · slam -13.67 (3)
By role: declaring +0.22/bd (-2.19 vs par · 58) · defending -0.83/bd (+0.52 vs par · 42)
By vulnerability: vulnerable -0.14/bd (-1.00 vs par · 59) · not vulnerable -0.33/bd (-1.12 vs par · 41)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Z.Yu | Z.Chen – W.Tu | Open | 10 | -11.2 | -1.12 | -2.50 |
| Round 2 | Z.Yu | G.Gross – E.Mauberquez | Closed | 10 | +0.9 | +0.09 | -4.20 |
| Round 3 | Z.Yu | N.Shen – C.Chen | Closed | 10 | +5.7 | +0.57 | +1.70 |
| Round 4 | Z.Yu | T.Teramoto – H.Yokoi | Closed | 10 | -29.4 | -2.94 | -2.80 |
| Round 5 | Z.Yu | M.Park – I.Hwang | Open | 10 | +2.8 | +0.28 | -0.70 |
| Round 7 | Z.Yu | Z.Wu – Q.Qu | Closed | 10 | +10.5 | +1.05 | -0.40 |
| Round 8 | Z.Yu | F.Macri – P.Lambardi | Closed | 10 | +7.7 | +0.77 | +0.40 |
| Round 9 | W.Zhang | H.Wang – P.Li | Open | 10 | -11.9 | -1.19 | -1.00 |
| Round 10 | W.Zhang | M.Dix – M.Parnis-England | Open | 10 | +2.0 | +0.20 | -1.40 |
| Round 11 | J.Gao | Z.Chen – X.Zhang | Closed | 10 | +0.8 | +0.08 | +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 |
|---|---|---|---|---|---|---|---|
| +12.4 | Round 1 | XIAMEN | 10 | 4♥ | ♠4 | -1 | +12 |
| +8.1 | Round 11 | SHANGHAI YOUTH 2 | 15 | 4♠ | ♣A | +1 | +11 |
| +7.9 | Round 7 | SHANGHAI YOUTH 5 | 8 | 4♠x | ♣A | -3 | +5 |
| +7.8 | Round 3 | RIGHT CALL | 30 | 3N | ♦5 | -2 | +12 |
| +7.7 | Round 8 | SOCMA | 11 | 4♠x | ♦J | = | +7 |
| +7.1 | Round 2 | GROSS | 14 | 6♦ | ♠5 | +1 | -15 |
| +5.9 | Round 1 | XIAMEN | 7 | 4♥ | ♠J | = | -1 |
| +5.7 | Round 10 | SECOND CHANCE | 7 | 3♦ | ♠K | +1 | +12 |
| +5.6 | Round 7 | SHANGHAI YOUTH 5 | 9 | 2♥ | ♦3 | +4 | +13 |
| +5.5 | Round 2 | GROSS | 12 | 2♠ | ♣7 | -3 | +4 |
| +5.0 | Round 10 | SECOND CHANCE | 8 | 5♣ | ♥Q | -3 | +2 |
| +4.5 | Round 9 | HEILONGJIANG YAXUAN | 25 | 3N | ♠3 | -2 | +8 |
| +4.3 | Round 9 | HEILONGJIANG YAXUAN | 21 | 3N | ♣K | +1 | +5 |
| +4.3 | Round 10 | SECOND CHANCE | 1 | 1N | ♠3 | +2 | +2 |
| +3.7 | Round 3 | RIGHT CALL | 26 | 5♣ | ♦A | = | +7 |
| +3.3 | Round 8 | SOCMA | 19 | 1N | ♣2 | +1 | +1 |
| +3.2 | Round 5 | HAPPY BRIDGE | 14 | 3♠ | ♦9 | -1 | +4 |
| +3.2 | Round 5 | HAPPY BRIDGE | 19 | 2♥ | ♣6 | +2 | +2 |
| +2.7 | Round 3 | RIGHT CALL | 27 | 3N | ♥7 | -1 | +5 |
| +2.6 | Round 11 | SHANGHAI YOUTH 2 | 11 | 3N | ♥2 | = | -1 |
| +2.5 | Round 8 | SOCMA | 18 | 2♠ | ♦Q | +1 | +1 |
| +2.4 | Round 2 | GROSS | 15 | 4♥ | ♠9 | +2 | +1 |
| +2.4 | Round 5 | HAPPY BRIDGE | 18 | 3♠ | ♣K | = | +0 |
| +2.3 | Round 3 | RIGHT CALL | 23 | 4♠ | ♦J | +1 | +0 |
| +2.3 | Round 5 | HAPPY BRIDGE | 17 | 1N | ♠4 | = | -1 |
| +1.9 | Round 2 | GROSS | 11 | 1N | ♥4 | +1 | +0 |
| +1.5 | Round 4 | YANAGISAWA | 3 | 3N | ♦2 | +1 | -1 |
| +1.5 | Round 9 | HEILONGJIANG YAXUAN | 30 | 3♠ | ♣K | = | +0 |
| +1.5 | Round 11 | SHANGHAI YOUTH 2 | 12 | 3♥ | ♦A | -3 | +10 |
| +1.4 | Round 1 | XIAMEN | 9 | 3N | ♥10 | +2 | +0 |
| +1.3 | Round 3 | RIGHT CALL | 29 | 3N | ♥K | +1 | -1 |
| +1.3 | Round 5 | HAPPY BRIDGE | 11 | 2♠ | ♦A | = | +5 |
| +1.3 | Round 11 | SHANGHAI YOUTH 2 | 17 | 2♠ | ♣Q | -1 | +4 |
| +1.2 | Round 11 | SHANGHAI YOUTH 2 | 19 | 4♠ | ♣J | +1 | +1 |
| +1.1 | Round 8 | SOCMA | 14 | 2♥ | ♠3 | = | +0 |
| +1.0 | Round 7 | SHANGHAI YOUTH 5 | 2 | 1N | ♠K | = | -1 |
| +0.9 | Round 4 | YANAGISAWA | 2 | 3N | ♣8 | +2 | +1 |
| +0.9 | Round 7 | SHANGHAI YOUTH 5 | 6 | 4♥ | ♥6 | +1 | +0 |
| +0.9 | Round 8 | SOCMA | 13 | 4♠ | ♦2 | +2 | +7 |
| +0.9 | Round 11 | SHANGHAI YOUTH 2 | 20 | 3N | ♠7 | +2 | +13 |
| +0.8 | Round 7 | SHANGHAI YOUTH 5 | 4 | 4♥ | ♠9 | +1 | +0 |
| +0.7 | Round 7 | SHANGHAI YOUTH 5 | 10 | 2♥ | ♣Q | +1 | +0 |
| +0.6 | Round 8 | SOCMA | 17 | 3N | ♥3 | = | -6 |
| +0.4 | Round 9 | HEILONGJIANG YAXUAN | 28 | 5♦ | ♠A | +1 | -5 |
| +0.3 | Round 3 | RIGHT CALL | 21 | 2N | ♣9 | = | +1 |
| +0.3 | Round 3 | RIGHT CALL | 22 | 3N | ♥2 | = | +5 |
| +0.1 | Round 7 | SHANGHAI YOUTH 5 | 1 | 3N | ♣3 | +1 | +1 |
| +0.1 | Round 7 | SHANGHAI YOUTH 5 | 3 | 2♣ | ♥A | +1 | -9 |
| +0.0 | Round 3 | RIGHT CALL | 25 | 1N | ♥10 | = | +0 |
| -0.2 | Round 5 | HAPPY BRIDGE | 12 | 3♣ | ♣9 | = | +0 |
| -0.2 | Round 9 | HEILONGJIANG YAXUAN | 23 | 1N | ♥4 | +1 | +0 |
| -0.3 | Round 4 | YANAGISAWA | 7 | 1N | ♥4 | = | -2 |
| -0.3 | Round 4 | YANAGISAWA | 8 | 4♦ | ♣Q | -2 | +1 |
| -0.3 | Round 10 | SECOND CHANCE | 5 | 4♠ | ♦9 | +2 | -11 |
| -0.6 | Round 5 | HAPPY BRIDGE | 20 | 4♠ | ♣A | = | +1 |
| -0.7 | Round 2 | GROSS | 20 | 3N | ♠4 | +2 | -13 |
| -0.8 | Round 2 | GROSS | 17 | 3♣ | ♠J | +1 | -8 |
| -0.8 | Round 4 | YANAGISAWA | 6 | 4♥ | ♠Q | -3 | -11 |
| -0.8 | Round 10 | SECOND CHANCE | 3 | 1N | ♠3 | -2 | -1 |
| -0.8 | Round 10 | SECOND CHANCE | 9 | 5♦x | ♠A | -2 | +0 |
| -0.9 | Round 9 | HEILONGJIANG YAXUAN | 24 | 4♥ | ♦2 | = | +5 |
| -1.0 | Round 4 | YANAGISAWA | 5 | 1N | ♦5 | -1 | +1 |
| -1.0 | Round 10 | SECOND CHANCE | 4 | 1N | ♣9 | -1 | -5 |
| -1.0 | Round 10 | SECOND CHANCE | 10 | 2♠ | ♣5 | +1 | -1 |
| -1.1 | Round 2 | GROSS | 16 | 1N | ♠10 | = | +1 |
| -1.1 | Round 8 | SOCMA | 16 | 3♠ | ♥A | = | +0 |
| -1.2 | Round 5 | HAPPY BRIDGE | 16 | 1N | ♦5 | = | -2 |
| -1.2 | Round 11 | SHANGHAI YOUTH 2 | 13 | 2♥ | ♣4 | = | -1 |
| -1.4 | Round 10 | SECOND CHANCE | 6 | 4♠ | ♣A | +1 | -1 |
| -1.6 | Round 2 | GROSS | 18 | 4♠ | ♦7 | -1 | -4 |
| -1.7 | Round 1 | XIAMEN | 6 | 2N | ♣5 | = | -1 |
| -1.8 | Round 1 | XIAMEN | 5 | 4♠ | ♦A | -1 | -5 |
| -1.9 | Round 7 | SHANGHAI YOUTH 5 | 7 | 4♠ | ♥4 | -1 | -6 |
| -1.9 | Round 8 | SOCMA | 12 | 3♥ | ♣10 | -1 | -5 |
| -1.9 | Round 9 | HEILONGJIANG YAXUAN | 27 | 2♥ | ♦9 | -1 | -5 |
| -1.9 | Round 9 | HEILONGJIANG YAXUAN | 29 | 4♠ | ♥K | -2 | -3 |
| -2.4 | Round 5 | HAPPY BRIDGE | 15 | 3N | ♣4 | +1 | -11 |
| -2.6 | Round 8 | SOCMA | 20 | 4♠ | ♦J | = | +0 |
| -2.8 | Round 8 | SOCMA | 15 | 1N | ♣6 | +3 | -1 |
| -3.2 | Round 11 | SHANGHAI YOUTH 2 | 18 | 2♠ | ♥6 | = | -5 |
| -3.3 | Round 1 | XIAMEN | 8 | 3N | ♣7 | -1 | -4 |
| -3.4 | Round 1 | XIAMEN | 2 | 4♠x | ♣7 | -3 | -5 |
| -3.4 | Round 4 | YANAGISAWA | 9 | 2♠ | ♠2 | +1 | -1 |
| -3.6 | Round 11 | SHANGHAI YOUTH 2 | 14 | 3♦ | ♣5 | +2 | -15 |
| -4.3 | Round 4 | YANAGISAWA | 10 | 1N | ♣J | -2 | -2 |
| -4.6 | Round 2 | GROSS | 13 | 3♥ | ♣6 | +1 | -1 |
| -4.7 | Round 7 | SHANGHAI YOUTH 5 | 5 | 5♠x | ♦Q | -1 | -7 |
| -5.2 | Round 5 | HAPPY BRIDGE | 13 | 5♦ | ♣Q | = | -5 |
| -5.8 | Round 3 | RIGHT CALL | 28 | 3N | ♠4 | = | -5 |
| -6.4 | Round 1 | XIAMEN | 1 | 4♥ | ♣3 | +1 | +0 |
| -6.8 | Round 1 | XIAMEN | 4 | 4♥x | ♠8 | -1 | -8 |
| -6.8 | Round 11 | SHANGHAI YOUTH 2 | 16 | 6♠ | ♣9 | -1 | -13 |
| -6.9 | Round 3 | RIGHT CALL | 24 | 3N | ♣K | +1 | -7 |
| -7.1 | Round 9 | HEILONGJIANG YAXUAN | 22 | 4♠ | ♦6 | = | -5 |
| -7.2 | Round 2 | GROSS | 19 | 3N | ♠6 | +1 | -7 |
| -7.2 | Round 4 | YANAGISAWA | 4 | 5♦ | ♣Q | = | +1 |
| -7.5 | Round 1 | XIAMEN | 3 | 6♣ | ♦A | -1 | -13 |
| -7.7 | Round 10 | SECOND CHANCE | 2 | 3♥ | ♦8 | = | -11 |
| -10.6 | Round 9 | HEILONGJIANG YAXUAN | 26 | 3N | ♣5 | +1 | -10 |
| -14.5 | Round 4 | YANAGISAWA | 1 | 5♦x | ♥J | -5 | -15 |