🇹🇼 LU Yi-Zu · CHINESE TAIPEI
13rank
+80.8Butler · 160 bds
+0.51per board
±4.7swing
+0.71vs par /bd · #17/137
+0.26adjusted /bd
by round
vs par split: bidding +0.74 · play -0.04
Strength of schedule: opponents averaged -0.24/bd (an easy draw) → opponent-adjusted +0.26/bd
Card play — on target: opening leads 68.2% #126 of 137 · declarer play 80.0% #24 of 137 · defence 87.7% #45 of 137
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 42.9% (14) | 80.0% (30) |
| Declarer play | 75.0% (12) | 81.6% (38) |
| Defence | 79.2% (24) | 91.2% (57) |
Opening leads by suit led: ♠ 75.0% (8) · ♥ 73.3% (15) · ♦ 60.0% (10) · ♣ 63.6% (11)
vs par by strain: NT +0.98 (44) · a suit +0.60 (116)
vs par by level: part-score +0.59 (69) · game +0.45 (80) · slam +3.27 (11)
By role: declaring +0.04/bd (-1.20 vs par · 79) · defending +0.95/bd (+2.57 vs par · 81)
By vulnerability: vulnerable +0.41/bd (+0.74 vs par · 80) · not vulnerable +0.60/bd (+0.68 vs par · 80)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | H.Yang | T.Asbi – L.Bojoh | Closed | 16 | +3.7 | +0.23 | +2.81 |
| Round 5 | H.Yang | J.Wojcieszek – M.Wojcik | Open | 16 | -3.0 | -0.19 | +0.69 |
| Round 9 | H.Yang | M.Bandesha – R.Saigol | Closed | 16 | +42.7 | +2.67 | +2.06 |
| Round 11 | H.Yang | D.Attanasio – G.Manara | Open | 16 | -2.3 | -0.14 | -0.88 |
| Round 12 | H.Yang | W.El Ahmady – C.Audiche | Open | 16 | +13.2 | +0.82 | +1.06 |
| Round 13 | H.Yang | D.Beauchamp – J.Tutty | Closed | 16 | -2.8 | -0.17 | -1.25 |
| Round 14 | H.Yang | J.Patterson – C.Davies | Open | 16 | -5.9 | -0.37 | -2.31 |
| Round 16 | H.Yang | A.Stokka – Y.Strandberg | Open | 16 | +2.5 | +0.16 | +0.50 |
| Round 18 | H.Yang | D.Rotchell – P.Cummins | Closed | 16 | +12.8 | +0.80 | +1.56 |
| Round 21 | H.Yang | A.El Awad – L.Lamrani | Closed | 16 | +19.9 | +1.24 | +2.81 |
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 |
|---|---|---|---|---|---|---|---|
| +13.1 | Round 12 | 🇪🇬 EGYPT | 32 | 6♠ | ♦7 | = | +13 |
| +11.2 | Round 9 | 🇵🇰 PAKISTAN | 6 | 5♥x | ♠A | -3 | +8 |
| +10.8 | Round 18 | 🇧🇧 BARBADOS | 26 | 5♣ | ♦A | = | +10 |
| +10.7 | Round 11 | 🇮🇹 ITALY | 12 | 3NT | ♥A | -1 | +16 |
| +10.7 | Round 16 | 🇸🇪 SWEDEN | 27 | 4♥ | ♦5 | +2 | +11 |
| +10.1 | Round 9 | 🇵🇰 PAKISTAN | 5 | 7♠ | ♣J | = | +0 |
| +9.7 | Round 9 | 🇵🇰 PAKISTAN | 12 | 6♥ | ♦A | -2 | +11 |
| +9.5 | Round 18 | 🇧🇧 BARBADOS | 19 | 3♣ | ♣5 | +1 | +10 |
| +9.0 | Round 2 | 🇮🇩 INDONESIA | 17 | 4♠x | ♦6 | -1 | +9 |
| +8.2 | Round 21 | 🇲🇦 MOROCCO | 10 | 3♥ | ♠3 | +2 | +10 |
| +8.1 | Round 9 | 🇵🇰 PAKISTAN | 9 | 6♠ | ♥K | -1 | +11 |
| +7.6 | Round 5 | 🇵🇱 POLAND | 12 | 3NT | ♥3 | = | +11 |
| +7.6 | Round 12 | 🇪🇬 EGYPT | 24 | 5♦x | ♥3 | -4 | +8 |
| +7.6 | Round 21 | 🇲🇦 MOROCCO | 6 | 6♠ | ♣A | = | +0 |
| +6.8 | Round 9 | 🇵🇰 PAKISTAN | 2 | 6♠ | ♣A | = | +0 |
| +6.3 | Round 11 | 🇮🇹 ITALY | 9 | 5♥x | ♣A | -1 | +11 |
| +6.2 | Round 14 | 🇳🇿 NEW ZEALAND | 26 | 3♠ | ♣A | -1 | +11 |
| +6.2 | Round 18 | 🇧🇧 BARBADOS | 31 | 4♥ | ♠7 | -1 | +10 |
| +5.5 | Round 9 | 🇵🇰 PAKISTAN | 8 | 1NT | ♠7 | -4 | +6 |
| +5.3 | Round 11 | 🇮🇹 ITALY | 7 | 5♦x | ♦7 | -2 | +12 |
| +5.3 | Round 13 | 🇦🇺 AUSTRALIA | 5 | 4♠x | ♥2 | -2 | +8 |
| +5.0 | Round 9 | 🇵🇰 PAKISTAN | 16 | 5♦ | ♣7 | +2 | +10 |
| +5.0 | Round 16 | 🇸🇪 SWEDEN | 28 | 3NT | ♠8 | -2 | +7 |
| +4.9 | Round 16 | 🇸🇪 SWEDEN | 30 | 2♥x | ♥6 | -2 | +9 |
| +4.7 | Round 14 | 🇳🇿 NEW ZEALAND | 23 | 3NT | ♠8 | +1 | +1 |
| +4.5 | Round 2 | 🇮🇩 INDONESIA | 21 | 4♥ | ♠A | -2 | +8 |
| +4.5 | Round 2 | 🇮🇩 INDONESIA | 28 | 5♥ | ♠7 | +1 | +13 |
| +4.4 | Round 11 | 🇮🇹 ITALY | 14 | 1NT | ♠2 | = | +0 |
| +4.3 | Round 9 | 🇵🇰 PAKISTAN | 13 | 4♠ | ♦A | = | +9 |
| +4.2 | Round 13 | 🇦🇺 AUSTRALIA | 7 | 2♥ | ♦2 | = | -1 |
| +4.1 | Round 16 | 🇸🇪 SWEDEN | 25 | 4♠ | ♦J | = | +8 |
| +4.0 | Round 13 | 🇦🇺 AUSTRALIA | 9 | 4♠ | ♥2 | -2 | +7 |
| +4.0 | Round 14 | 🇳🇿 NEW ZEALAND | 24 | 3NT | ♥Q | = | +0 |
| +4.0 | Round 16 | 🇸🇪 SWEDEN | 21 | 3NT | ♥6 | -1 | +6 |
| +4.0 | Round 21 | 🇲🇦 MOROCCO | 12 | 3NT | ♠4 | = | +10 |
| +3.8 | Round 2 | 🇮🇩 INDONESIA | 20 | 6♦ | ♥6 | +1 | +13 |
| +3.8 | Round 12 | 🇪🇬 EGYPT | 22 | 2♥ | ♣3 | +1 | +1 |
| +3.7 | Round 5 | 🇵🇱 POLAND | 2 | 3NT | ♦10 | -3 | +7 |
| +3.7 | Round 16 | 🇸🇪 SWEDEN | 24 | 6♠ | ♣A | = | +0 |
| +3.6 | Round 13 | 🇦🇺 AUSTRALIA | 13 | 2♠ | ♥2 | = | +0 |
| +3.2 | Round 5 | 🇵🇱 POLAND | 14 | 3NT | ♣2 | -2 | +6 |
| +3.1 | Round 21 | 🇲🇦 MOROCCO | 7 | 4♦ | ♣7 | +1 | +15 |
| +3.0 | Round 12 | 🇪🇬 EGYPT | 25 | 2♠ | ♣6 | +2 | +11 |
| +3.0 | Round 21 | 🇲🇦 MOROCCO | 13 | 3♣ | ♦6 | -1 | -1 |
| +2.9 | Round 11 | 🇮🇹 ITALY | 3 | 3♣ | ♦10 | +2 | +6 |
| +2.9 | Round 21 | 🇲🇦 MOROCCO | 9 | 1NT | ♥4 | = | +5 |
| +2.8 | Round 18 | 🇧🇧 BARBADOS | 25 | 1NT | ♠5 | -2 | +2 |
| +2.7 | Round 5 | 🇵🇱 POLAND | 13 | 4♠ | ♦9 | -1 | +6 |
| +2.7 | Round 18 | 🇧🇧 BARBADOS | 17 | 2♥ | ♦8 | -2 | +6 |
| +2.6 | Round 21 | 🇲🇦 MOROCCO | 1 | 2♥ | ♥3 | +2 | +1 |
| +2.4 | Round 13 | 🇦🇺 AUSTRALIA | 11 | 3♠ | ♣2 | +3 | +6 |
| +2.3 | Round 5 | 🇵🇱 POLAND | 10 | 2♠ | ♥K | +2 | +10 |
| +2.3 | Round 9 | 🇵🇰 PAKISTAN | 11 | 3♥ | ♣5 | = | +6 |
| +2.3 | Round 14 | 🇳🇿 NEW ZEALAND | 27 | 3♥ | ♦6 | -2 | -1 |
| +2.2 | Round 9 | 🇵🇰 PAKISTAN | 10 | 3♦ | ♦K | -1 | +1 |
| +2.1 | Round 12 | 🇪🇬 EGYPT | 27 | 3♣ | ♥K | +1 | +7 |
| +2.0 | Round 16 | 🇸🇪 SWEDEN | 23 | 1NT | ♦K | -1 | +5 |
| +1.9 | Round 2 | 🇮🇩 INDONESIA | 27 | 3♣ | ♦4 | = | +7 |
| +1.9 | Round 9 | 🇵🇰 PAKISTAN | 3 | 3♥x | ♠K | -3 | -3 |
| +1.8 | Round 18 | 🇧🇧 BARBADOS | 22 | 5♠x | ♦A | -2 | +0 |
| +1.7 | Round 12 | 🇪🇬 EGYPT | 28 | 3♥ | ♠A | -1 | +5 |
| +1.6 | Round 14 | 🇳🇿 NEW ZEALAND | 18 | 5♠x | ♥A | -1 | -6 |
| +1.5 | Round 2 | 🇮🇩 INDONESIA | 32 | 1NT | ♣K | = | -1 |
| +1.5 | Round 11 | 🇮🇹 ITALY | 4 | 3♦ | ♣Q | +2 | -10 |
| +1.5 | Round 21 | 🇲🇦 MOROCCO | 4 | 1NT | ♥6 | = | +1 |
| +1.3 | Round 12 | 🇪🇬 EGYPT | 20 | 1NT | ♣2 | -2 | +9 |
| +1.2 | Round 12 | 🇪🇬 EGYPT | 31 | 4♠ | ♣10 | +1 | +0 |
| +1.1 | Round 11 | 🇮🇹 ITALY | 10 | 3♥ | ♠A | = | -2 |
| +1.0 | Round 5 | 🇵🇱 POLAND | 9 | 4♠ | ♦A | +1 | +1 |
| +0.9 | Round 9 | 🇵🇰 PAKISTAN | 1 | 2♠ | ♣3 | -1 | +2 |
| +0.9 | Round 14 | 🇳🇿 NEW ZEALAND | 20 | 3♥ | ♦Q | +1 | -1 |
| +0.8 | Round 13 | 🇦🇺 AUSTRALIA | 8 | 4♠ | ♦2 | +1 | +0 |
| +0.7 | Round 5 | 🇵🇱 POLAND | 16 | 2♠ | ♥K | = | +0 |
| +0.7 | Round 13 | 🇦🇺 AUSTRALIA | 3 | 2♠ | ♣2 | +1 | +0 |
| +0.6 | Round 11 | 🇮🇹 ITALY | 1 | 1NT | ♠6 | = | -1 |
| +0.5 | Round 12 | 🇪🇬 EGYPT | 23 | 3NT | ♣3 | = | +0 |
| +0.5 | Round 14 | 🇳🇿 NEW ZEALAND | 21 | 4♠ | ♠7 | = | +0 |
| +0.5 | Round 14 | 🇳🇿 NEW ZEALAND | 28 | 3NT | ♥4 | = | +2 |
| +0.5 | Round 14 | 🇳🇿 NEW ZEALAND | 31 | 4♥ | ♠10 | +1 | +1 |
| +0.4 | Round 5 | 🇵🇱 POLAND | 7 | 2♥ | ♠6 | +1 | +0 |
| +0.4 | Round 18 | 🇧🇧 BARBADOS | 20 | 4♠ | ♦9 | = | +1 |
| +0.4 | Round 21 | 🇲🇦 MOROCCO | 2 | 3NT | ♠6 | +2 | +0 |
| +0.3 | Round 11 | 🇮🇹 ITALY | 5 | 1♠ | ♦5 | -2 | +11 |
| +0.3 | Round 12 | 🇪🇬 EGYPT | 18 | 4♥ | ♥J | +1 | +0 |
| +0.3 | Round 13 | 🇦🇺 AUSTRALIA | 12 | 3♦ | ♠2 | = | -1 |
| +0.0 | Round 21 | 🇲🇦 MOROCCO | 5 | 4♥ | ♣9 | +1 | +0 |
| -0.1 | Round 2 | 🇮🇩 INDONESIA | 25 | 4♠ | ♥6 | -1 | +5 |
| -0.2 | Round 18 | 🇧🇧 BARBADOS | 24 | 5♦ | ♥A | = | +0 |
| -0.3 | Round 12 | 🇪🇬 EGYPT | 30 | 4♠ | ♥A | = | -3 |
| -0.4 | Round 2 | 🇮🇩 INDONESIA | 18 | 3♦ | ♥5 | +1 | +0 |
| -0.4 | Round 5 | 🇵🇱 POLAND | 6 | 1NT | ♣3 | -2 | +2 |
| -0.4 | Round 21 | 🇲🇦 MOROCCO | 3 | 1NT | ♦2 | -1 | +3 |
| -0.5 | Round 2 | 🇮🇩 INDONESIA | 24 | 4♠ | ♥A | +1 | +0 |
| -0.6 | Round 18 | 🇧🇧 BARBADOS | 23 | 2♦ | ♣4 | +1 | +0 |
| -0.6 | Round 18 | 🇧🇧 BARBADOS | 28 | 3NT | ♥7 | = | +2 |
| -0.7 | Round 2 | 🇮🇩 INDONESIA | 29 | 4♥ | ♣A | = | +1 |
| -0.8 | Round 2 | 🇮🇩 INDONESIA | 19 | 3NT | ♠6 | = | +0 |
| -0.9 | Round 2 | 🇮🇩 INDONESIA | 26 | 3NT | ♥3 | +1 | -1 |
| -0.9 | Round 11 | 🇮🇹 ITALY | 16 | 3NT | ♥10 | +2 | -2 |
| -0.9 | Round 16 | 🇸🇪 SWEDEN | 31 | 3♥ | ♣10 | +1 | -6 |
| -1.0 | Round 12 | 🇪🇬 EGYPT | 29 | 4♥ | ♠6 | +2 | -13 |
| -1.0 | Round 14 | 🇳🇿 NEW ZEALAND | 32 | 4♠ | ♦A | +1 | +0 |
| -1.0 | Round 16 | 🇸🇪 SWEDEN | 22 | 4NT | ♣2 | = | +0 |
| -1.0 | Round 21 | 🇲🇦 MOROCCO | 14 | 1NT | ♣6 | -1 | +3 |
| -1.1 | Round 2 | 🇮🇩 INDONESIA | 22 | 3NT | ♥K | = | +0 |
| -1.3 | Round 13 | 🇦🇺 AUSTRALIA | 1 | 3♥ | ♣2 | -1 | -4 |
| -1.3 | Round 13 | 🇦🇺 AUSTRALIA | 2 | 4♠ | ♣2 | +2 | -1 |
| -1.3 | Round 13 | 🇦🇺 AUSTRALIA | 6 | 1NT | ♦2 | -1 | -5 |
| -1.4 | Round 13 | 🇦🇺 AUSTRALIA | 15 | 3♥ | ♣2 | +1 | -1 |
| -1.5 | Round 18 | 🇧🇧 BARBADOS | 32 | 1NT | ♦A | -2 | +1 |
| -1.6 | Round 18 | 🇧🇧 BARBADOS | 21 | 2♥ | ♣7 | -1 | -5 |
| -1.6 | Round 21 | 🇲🇦 MOROCCO | 15 | 4♠ | ♥6 | = | +0 |
| -1.7 | Round 5 | 🇵🇱 POLAND | 3 | 3♦x | ♣Q | -2 | +5 |
| -1.7 | Round 5 | 🇵🇱 POLAND | 15 | 4♥ | ♦5 | +1 | +0 |
| -1.7 | Round 14 | 🇳🇿 NEW ZEALAND | 29 | 4♥ | ♥3 | +2 | -1 |
| -1.7 | Round 18 | 🇧🇧 BARBADOS | 18 | 4♥ | ♣Q | +1 | +0 |
| -1.9 | Round 13 | 🇦🇺 AUSTRALIA | 4 | 2♦ | ♦2 | +4 | -17 |
| -2.0 | Round 5 | 🇵🇱 POLAND | 1 | 4♥ | ♣9 | -1 | -11 |
| -2.0 | Round 13 | 🇦🇺 AUSTRALIA | 16 | 4♠ | ♥2 | = | +1 |
| -2.0 | Round 18 | 🇧🇧 BARBADOS | 30 | 2♥ | ♣J | = | -5 |
| -2.0 | Round 21 | 🇲🇦 MOROCCO | 16 | 1♦ | ♦3 | -1 | -4 |
| -2.3 | Round 16 | 🇸🇪 SWEDEN | 20 | 2NT | ♠5 | +1 | -1 |
| -2.5 | Round 14 | 🇳🇿 NEW ZEALAND | 17 | 2♥ | ♣6 | -1 | -4 |
| -2.6 | Round 18 | 🇧🇧 BARBADOS | 29 | 1NT | ♥J | -5 | +4 |
| -2.7 | Round 2 | 🇮🇩 INDONESIA | 23 | 3NT | ♠4 | = | +0 |
| -2.7 | Round 16 | 🇸🇪 SWEDEN | 26 | 3♣ | ♠4 | -1 | -1 |
| -2.8 | Round 11 | 🇮🇹 ITALY | 11 | 2NT | ♠K | = | -1 |
| -2.8 | Round 12 | 🇪🇬 EGYPT | 21 | 7♠ | ♠6 | = | +0 |
| -2.8 | Round 16 | 🇸🇪 SWEDEN | 18 | 5♣ | ♥10 | -1 | -10 |
| -3.0 | Round 9 | 🇵🇰 PAKISTAN | 14 | 1NT | ♣6 | +2 | -7 |
| -3.0 | Round 11 | 🇮🇹 ITALY | 8 | 2♠ | ♥2 | -1 | -5 |
| -3.1 | Round 5 | 🇵🇱 POLAND | 5 | 3NT | ♥2 | +2 | -1 |
| -3.3 | Round 5 | 🇵🇱 POLAND | 11 | 2NT | ♠10 | -3 | -6 |
| -3.3 | Round 14 | 🇳🇿 NEW ZEALAND | 25 | 4♠x | ♥7 | -1 | -8 |
| -3.4 | Round 5 | 🇵🇱 POLAND | 4 | 3NT | ♠7 | -2 | -7 |
| -3.4 | Round 12 | 🇪🇬 EGYPT | 17 | 5♠ | ♣8 | -2 | -5 |
| -3.4 | Round 21 | 🇲🇦 MOROCCO | 11 | 6♦ | ♥A | = | +2 |
| -3.6 | Round 14 | 🇳🇿 NEW ZEALAND | 22 | 4♥ | ♣J | -1 | -12 |
| -3.6 | Round 16 | 🇸🇪 SWEDEN | 29 | 4♠ | ♥K | +1 | +0 |
| -3.7 | Round 11 | 🇮🇹 ITALY | 2 | 3♣ | ♦A | -1 | -5 |
| -3.8 | Round 16 | 🇸🇪 SWEDEN | 32 | 4♠ | ♣5 | = | -1 |
| -4.6 | Round 12 | 🇪🇬 EGYPT | 26 | 3♦x | ♥7 | -1 | -7 |
| -4.9 | Round 13 | 🇦🇺 AUSTRALIA | 14 | 3♥x | ♣2 | -3 | -2 |
| -5.0 | Round 21 | 🇲🇦 MOROCCO | 8 | 4♠ | ♣6 | -2 | +0 |
| -5.1 | Round 16 | 🇸🇪 SWEDEN | 17 | 3♣x | ♥5 | -2 | -5 |
| -5.4 | Round 14 | 🇳🇿 NEW ZEALAND | 30 | 3NT | ♠2 | = | -7 |
| -5.8 | Round 11 | 🇮🇹 ITALY | 13 | 4♠ | ♣A | -2 | -12 |
| -6.3 | Round 2 | 🇮🇩 INDONESIA | 31 | 5♣x | ♠A | -2 | -5 |
| -6.6 | Round 11 | 🇮🇹 ITALY | 15 | 1♠x | ♦A | -1 | -15 |
| -6.9 | Round 9 | 🇵🇰 PAKISTAN | 4 | 4♠ | ♦10 | +3 | -17 |
| -7.0 | Round 9 | 🇵🇰 PAKISTAN | 7 | 4♥ | ♣7 | = | +0 |
| -8.0 | Round 2 | 🇮🇩 INDONESIA | 30 | 3NTx | ♥K | = | -4 |
| -8.4 | Round 9 | 🇵🇰 PAKISTAN | 15 | 4♥x | ♣K | -2 | -4 |
| -9.0 | Round 5 | 🇵🇱 POLAND | 8 | 3NT | ♣9 | -4 | -12 |
| -9.3 | Round 12 | 🇪🇬 EGYPT | 19 | 4♥x | ♠K | -2 | -9 |
| -9.6 | Round 14 | 🇳🇿 NEW ZEALAND | 19 | 4♣x | ♦K | = | -12 |
| -9.7 | Round 16 | 🇸🇪 SWEDEN | 19 | 6♠ | ♥J | -3 | -14 |
| -10.0 | Round 13 | 🇦🇺 AUSTRALIA | 10 | 3NT | ♥2 | = | -10 |
| -10.6 | Round 18 | 🇧🇧 BARBADOS | 27 | 5♥ | ♣A | -1 | -11 |
| -12.6 | Round 11 | 🇮🇹 ITALY | 6 | 4♠ | ♥3 | +3 | -17 |