LIU Ming-Chien · POLAR FORMOSA
19rank
+105.5Butler · 111 bds
+0.95per board
±4.0swing
+1.02vs par /bd · #33/488
+0.98adjusted /bd
by round
vs par split: bidding +0.73 · play +0.33
Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted +0.98/bd
Card play — on target: opening leads 96.6% #14 of 488 · declarer play 86.7% #53 of 488 · defence 85.2% #336 of 488
Bidding activity — not a pass: 41.5% #302 of 488 (140/337)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (9) | 95.0% (20) |
| Declarer play | 60.0% (5) | 92.0% (25) |
| Defence | 77.8% (18) | 88.9% (36) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (9) · ♦ 100.0% (11) · ♣ 100.0% (6)
vs par by strain: NT +1.23 (30) · a suit +0.99 (80)
vs par by level: part-score +1.12 (33) · game +1.54 (68) · slam -2.89 (9)
By role: declaring +0.76/bd (-2.55 vs par · 56) · defending +1.17/bd (+4.80 vs par · 54)
By vulnerability: vulnerable +1.57/bd (+1.80 vs par · 56) · not vulnerable +0.32/bd (+0.22 vs par · 55)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | K.Chen | P.Cholakov – J.Reining | Closed | 14 | +25.6 | +1.83 | +4.64 |
| Round 2 | K.Chen | Q.Robert – C.Puillet | Open | 14 | +14.5 | +1.04 | -0.57 |
| Round 3 | K.Chen | L.Care – F.Assenzo | Closed | 13 | +18.8 | +1.45 | +1.69 |
| Round 4 | K.Chen | I.Bareket – N.Saada | Closed | 14 | +5.4 | +0.39 | -0.29 |
| Round 5 | K.Chen | B.Jenkins – B.Cohen | Open | 14 | +9.0 | +0.64 | +1.71 |
| Round 6 | K.Chen | M.Sheng – H.Ding | Closed | 14 | +19.1 | +1.36 | +0.21 |
| Round 7 | K.Chen | D.Yavas – B.Seker | Closed | 14 | +7.1 | +0.51 | +0.14 |
| Round 8 | K.Chen | P.Shao – Y.Huang | Closed | 14 | +6.0 | +0.43 | +0.64 |
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 |
|---|---|---|---|---|---|---|---|
| +10.9 | Round 4 | PATRICK SAADA | 26 | 3♦x | ♠A | -3 | +7 |
| +9.4 | Round 1 | FLYHIGH | 3 | 4♠ | ♦2 | -1 | +10 |
| +9.1 | Round 1 | FLYHIGH | 6 | 3NT | ♣A | -1 | +10 |
| +8.2 | Round 2 | DAISY CHAIN | 17 | 6♥ | ♣7 | = | +0 |
| +7.3 | Round 5 | MIXED NUTS | 4 | 4♥x | ♣6 | -1 | +13 |
| +7.1 | Round 3 | CARE | 12 | 4♥ | ♠3 | -1 | +12 |
| +7.1 | Round 6 | DH888 | 20 | 3NT | ♠7 | -3 | +9 |
| +6.7 | Round 1 | FLYHIGH | 7 | 4♠x | ♥6 | -1 | +9 |
| +6.2 | Round 1 | FLYHIGH | 5 | 3NT | ♣3 | -2 | +8 |
| +6.2 | Round 7 | DITI | 7 | 5♦ | ♠A | +2 | +14 |
| +6.2 | Round 8 | CHINA1 | 15 | 6♠ | ♣8 | = | +0 |
| +6.1 | Round 3 | CARE | 10 | 3NT | ♦K | -1 | +6 |
| +6.1 | Round 5 | MIXED NUTS | 10 | 3NT | ♥8 | = | -1 |
| +6.0 | Round 8 | CHINA1 | 19 | 4♠ | ♦5 | = | +0 |
| +5.9 | Round 2 | DAISY CHAIN | 18 | 3NT | ♦J | -1 | +6 |
| +5.8 | Round 1 | FLYHIGH | 11 | 3NT | ♠3 | = | +0 |
| +5.7 | Round 4 | PATRICK SAADA | 19 | 6♣ | ♠K | +1 | -13 |
| +5.4 | Round 5 | MIXED NUTS | 9 | 3♣ | ♥K | -2 | +11 |
| +5.3 | Round 6 | DH888 | 22 | 4♥ | ♣T | -1 | +5 |
| +5.1 | Round 7 | DITI | 2 | 3NT | ♠2 | = | +7 |
| +5.0 | Round 2 | DAISY CHAIN | 23 | 6♦ | ♠2 | +1 | -13 |
| +4.9 | Round 7 | DITI | 4 | 4♠ | ♥8 | +1 | +11 |
| +4.6 | Round 2 | DAISY CHAIN | 19 | 3NT | ♠2 | -4 | +12 |
| +4.6 | Round 6 | DH888 | 23 | 3NT | ♣8 | -2 | +3 |
| +4.6 | Round 7 | DITI | 3 | 3NT | ♦3 | -3 | +7 |
| +4.3 | Round 4 | PATRICK SAADA | 17 | 4♠x | ♥A | -1 | +8 |
| +3.9 | Round 2 | DAISY CHAIN | 22 | 2NT | ♥8 | +3 | +13 |
| +3.7 | Round 2 | DAISY CHAIN | 25 | 2♥ | ♥8 | -3 | +6 |
| +3.7 | Round 7 | DITI | 1 | 4♥ | ♠2 | -1 | +10 |
| +3.5 | Round 6 | DH888 | 15 | 2♥ | ♠4 | +1 | +6 |
| +3.3 | Round 4 | PATRICK SAADA | 25 | 2♠ | ♥Q | -1 | +5 |
| +2.9 | Round 2 | DAISY CHAIN | 28 | 4♥ | ♦K | +1 | +0 |
| +2.8 | Round 8 | CHINA1 | 17 | 6NT | ♥7 | = | +0 |
| +2.7 | Round 8 | CHINA1 | 20 | 3♠ | ♣2 | = | +0 |
| +2.6 | Round 6 | DH888 | 24 | 4♠ | ♥A | = | +3 |
| +2.1 | Round 8 | CHINA1 | 27 | 2♠ | ♣T | -1 | +4 |
| +2.0 | Round 3 | CARE | 1 | 3♣ | ♥K | = | +0 |
| +1.9 | Round 6 | DH888 | 26 | 4♠ | ♦J | = | +0 |
| +1.8 | Round 6 | DH888 | 25 | 3NT | ♠2 | = | +2 |
| +1.7 | Round 1 | FLYHIGH | 1 | 4♥ | ♠7 | +1 | +11 |
| +1.7 | Round 3 | CARE | 13 | 6NT | ♦J | = | +13 |
| +1.7 | Round 5 | MIXED NUTS | 3 | 3NT | ♥6 | +3 | -13 |
| +1.6 | Round 3 | CARE | 8 | 4♦ | ♦Q | = | +7 |
| +1.6 | Round 4 | PATRICK SAADA | 15 | 4♠ | ♣J | +1 | +0 |
| +1.5 | Round 4 | PATRICK SAADA | 24 | 3♣ | ♠7 | -1 | -1 |
| +1.3 | Round 1 | FLYHIGH | 9 | 3♠ | ♥K | +1 | +6 |
| +1.2 | Round 8 | CHINA1 | 26 | 3NT | ♦6 | -2 | +3 |
| +1.1 | Round 3 | CARE | 5 | 4♥ | ♦4 | +1 | +0 |
| +1.0 | Round 5 | MIXED NUTS | 14 | 2♣ | ♥J | +1 | +0 |
| +1.0 | Round 8 | CHINA1 | 21 | 2♠ | ♥5 | +1 | +0 |
| +0.9 | Round 2 | DAISY CHAIN | 27 | 4♥ | ♣3 | +1 | +0 |
| +0.9 | Round 6 | DH888 | 27 | 4♥ | ♠A | = | -1 |
| +0.8 | Round 1 | FLYHIGH | 10 | 4♥ | ♠A | +1 | +0 |
| +0.8 | Round 4 | PATRICK SAADA | 22 | 2♥ | ♦Q | +1 | +7 |
| +0.7 | Round 3 | CARE | 9 | 3♠ | ♥K | -1 | -6 |
| +0.6 | Round 1 | FLYHIGH | 14 | 3NT | ♠2 | +1 | -1 |
| +0.5 | Round 7 | DITI | 14 | 4♠ | ♥9 | -1 | +4 |
| +0.4 | Round 3 | CARE | 6 | 3♦ | ♦3 | = | +7 |
| +0.4 | Round 3 | CARE | 7 | 3NT | ♦4 | +1 | +0 |
| +0.4 | Round 4 | PATRICK SAADA | 20 | 3♠ | ♣8 | = | +0 |
| +0.4 | Round 8 | CHINA1 | 18 | 2♠ | ♥8 | +3 | -6 |
| +0.3 | Round 5 | MIXED NUTS | 6 | 3♦ | ♥A | +2 | +6 |
| +0.3 | Round 6 | DH888 | 16 | 4♥ | ♦9 | = | +0 |
| +0.3 | Round 7 | DITI | 8 | 4♥ | ♠2 | = | +0 |
| +0.2 | Round 3 | CARE | 11 | 4♥ | ♣K | +1 | +0 |
| +0.2 | Round 8 | CHINA1 | 16 | 3NT | ♣Q | = | +1 |
| +0.1 | Round 2 | DAISY CHAIN | 26 | 4♠ | ♥T | -1 | -6 |
| +0.1 | Round 6 | DH888 | 28 | 5♠ | ♦A | = | -11 |
| -0.0 | Round 5 | MIXED NUTS | 1 | Pass | -3 | ||
| -0.1 | Round 5 | MIXED NUTS | 8 | 3NT | ♠7 | +1 | -11 |
| -0.1 | Round 5 | MIXED NUTS | 11 | 4♠ | ♥4 | = | +0 |
| -0.2 | Round 3 | CARE | 4 | 5♣ | ♦4 | +1 | -17 |
| -0.3 | Round 3 | CARE | 2 | 3♠ | ♣A | -1 | +5 |
| -0.3 | Round 8 | CHINA1 | 22 | 4♠ | ♥K | +2 | +11 |
| -0.5 | Round 2 | DAISY CHAIN | 21 | 5♦x | ♥A | -2 | +5 |
| -0.5 | Round 7 | DITI | 11 | 1NT | ♥5 | +1 | -7 |
| -0.5 | Round 7 | DITI | 13 | 6♥ | ♥6 | +1 | -13 |
| -0.6 | Round 7 | DITI | 10 | 3NT | ♥6 | +1 | +1 |
| -0.7 | Round 7 | DITI | 9 | 3NT | ♥5 | +2 | -13 |
| -1.1 | Round 4 | PATRICK SAADA | 23 | 4♠ | ♠8 | -1 | -6 |
| -1.1 | Round 5 | MIXED NUTS | 13 | 5♣ | ♥J | = | +13 |
| -1.3 | Round 6 | DH888 | 18 | 3♠ | ♣A | -1 | -5 |
| -1.3 | Round 8 | CHINA1 | 28 | 4♠x | ♥Q | -2 | +7 |
| -1.5 | Round 2 | DAISY CHAIN | 24 | 2♥ | ♠4 | = | -5 |
| -1.6 | Round 1 | FLYHIGH | 8 | 2♥ | ♦T | +2 | -2 |
| -1.6 | Round 6 | DH888 | 19 | 3NT | ♥5 | = | +1 |
| -1.6 | Round 8 | CHINA1 | 25 | 3NT | ♥2 | = | -2 |
| -1.8 | Round 4 | PATRICK SAADA | 21 | 2♠ | ♥T | +2 | -1 |
| -1.8 | Round 5 | MIXED NUTS | 2 | 3NT | ♥J | +1 | -1 |
| -2.0 | Round 3 | CARE | 3 | 4♥ | ♣4 | -1 | -5 |
| -2.2 | Round 1 | FLYHIGH | 12 | 5♥ | ♣K | = | +0 |
| -2.3 | Round 7 | DITI | 5 | 2♠ | ♠2 | -1 | -4 |
| -2.3 | Round 7 | DITI | 6 | 4♠x | ♥2 | -2 | -2 |
| -2.5 | Round 2 | DAISY CHAIN | 16 | 3♥ | ♦K | -2 | -7 |
| -2.5 | Round 5 | MIXED NUTS | 5 | 3♣ | ♦2 | -1 | +2 |
| -2.7 | Round 4 | PATRICK SAADA | 28 | 2♠ | ♣A | = | +0 |
| -2.9 | Round 6 | DH888 | 21 | 4♥ | ♠Q | -1 | -5 |
| -3.0 | Round 5 | MIXED NUTS | 12 | 3♠ | ♦A | = | -1 |
| -3.2 | Round 1 | FLYHIGH | 4 | 4♥ | ♣Q | -2 | -2 |
| -3.2 | Round 6 | DH888 | 17 | 3♥ | ♦K | +1 | -4 |
| -3.5 | Round 4 | PATRICK SAADA | 18 | 4♠ | ♦J | = | -3 |
| -4.0 | Round 1 | FLYHIGH | 2 | 4♠ | ♥A | +2 | +3 |
| -4.2 | Round 5 | MIXED NUTS | 7 | 4♥ | ♥2 | +2 | +9 |
| -4.3 | Round 2 | DAISY CHAIN | 15 | 2♠ | ♦2 | = | -6 |
| -5.0 | Round 1 | FLYHIGH | 13 | 6♠ | ♥6 | +1 | +13 |
| -5.0 | Round 8 | CHINA1 | 24 | 3NT | ♣5 | -1 | -5 |
| -6.5 | Round 4 | PATRICK SAADA | 27 | 4♠ | ♣A | = | +0 |
| -7.5 | Round 4 | PATRICK SAADA | 16 | 3NT | ♦8 | = | -7 |
| -8.4 | Round 8 | CHINA1 | 23 | 3NT | ♥Q | +1 | -4 |
| -11.3 | Round 7 | DITI | 12 | 4♠ | ♥K | = | -13 |
| -11.9 | Round 2 | DAISY CHAIN | 20 | 6♠ | ♦K | -1 | -13 |