🇰🇷 KWON Soo Ja · KOREA
38rank
+21.5Butler · 160 bds
+0.13per board
±4.4swing
+0.54vs par /bd · #19/103
+0.02adjusted /bd
by round
vs par split: bidding +0.88 · play -0.34
Strength of schedule: opponents averaged -0.11/bd (an easy draw) → opponent-adjusted +0.02/bd
Card play — on target: opening leads 89.5% #6 of 103 · declarer play 57.7% #100 of 103 · defence 81.8% #82 of 103
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (8) | 93.3% (30) |
| Declarer play | 57.1% (7) | 57.9% (19) |
| Defence | 78.9% (19) | 82.6% (69) |
Opening leads by suit led: ♠ 93.3% (15) · ♥ 83.3% (6) · ♦ 100.0% (8) · ♣ 77.8% (9)
vs par by strain: NT -0.82 (39) · a suit +0.97 (121)
vs par by level: part-score +0.19 (68) · game +0.52 (84) · slam +3.62 (8)
By role: declaring +0.12/bd (-2.19 vs par · 72) · defending +0.15/bd (+2.77 vs par · 88)
By vulnerability: vulnerable -0.06/bd (-0.21 vs par · 80) · not vulnerable +0.33/bd (+1.29 vs par · 80)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | H.Im | K.Sandstrom – M.Myllaeri | Closed | 16 | +15.0 | +0.94 | +2.38 |
| Round 2 | H.Im | M.Modlin – N.Bateman | Open | 16 | -11.0 | -0.69 | -0.19 |
| Round 4 | H.Im | A.Pecci – M.Ritiani | Open | 16 | +18.5 | +1.16 | +0.94 |
| Round 5 | H.Im | L.Badawi – N.Hamdy | Closed | 16 | +9.8 | +0.61 | -1.31 |
| Round 7 | H.Im | C.Tinajero – M.Dolera | Closed | 16 | -11.4 | -0.71 | -1.00 |
| Round 8 | H.Im | E.Ovelius – I.Gronkvist | Open | 16 | +8.8 | +0.55 | +2.50 |
| Round 11 | H.Im | L.Pain – I.Vargas De Andrade | Closed | 16 | -16.2 | -1.01 | -1.19 |
| Round 13 | H.Im | L.Grude – B.Oigarden | Closed | 16 | -12.5 | -0.78 | +2.44 |
| Round 16 | H.Im | S.Raza – R.Saigol | Open | 16 | +15.2 | +0.95 | +1.12 |
| Round 17 | H.Im | Y.Oda – N.Orihara | Closed | 16 | +5.3 | +0.33 | -0.31 |
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 |
|---|---|---|---|---|---|---|---|
| +14.9 | Round 1 | 🇫🇮 FINLAND | 6 | 6♠ | ♦5 | = | +13 |
| +11.0 | Round 17 | 🇯🇵 JAPAN | 4 | 6♠ | ♣5 | -2 | +17 |
| +10.9 | Round 4 | 🇸🇲 SAN MARINO | 28 | 2♠ | ♦3 | = | +11 |
| +10.5 | Round 8 | 🇸🇪 SWEDEN | 29 | 3♥ | ♦10 | -3 | +13 |
| +10.4 | Round 8 | 🇸🇪 SWEDEN | 22 | 5♥ | ♠9 | -1 | +10 |
| +9.4 | Round 4 | 🇸🇲 SAN MARINO | 27 | 3♠ | ♣9 | = | +10 |
| +9.3 | Round 7 | 🇲🇽 MEXICO | 8 | 4♥ | ♠3 | = | +11 |
| +8.6 | Round 5 | 🇪🇬 EGYPT | 1 | 3NT | ♦8 | = | +0 |
| +8.5 | Round 4 | 🇸🇲 SAN MARINO | 31 | 3♠ | ♣A | +2 | +10 |
| +8.1 | Round 1 | 🇫🇮 FINLAND | 2 | 4♣ | ♦4 | = | +11 |
| +7.9 | Round 16 | 🇵🇰 PAKISTAN | 31 | 3NT | ♦6 | +1 | +7 |
| +6.9 | Round 11 | 🇧🇷 BRAZIL | 11 | 4♦ | ♣A | = | +1 |
| +6.4 | Round 8 | 🇸🇪 SWEDEN | 24 | 3NT | ♠9 | -1 | +10 |
| +5.9 | Round 8 | 🇸🇪 SWEDEN | 31 | 4♥ | ♠6 | -1 | +6 |
| +5.8 | Round 2 | 🇿🇦 SOUTH AFRICA | 17 | 3NT | ♥3 | +3 | +10 |
| +5.8 | Round 4 | 🇸🇲 SAN MARINO | 24 | 3♥ | ♦A | -1 | +5 |
| +5.3 | Round 7 | 🇲🇽 MEXICO | 12 | 6♠ | ♥7 | = | +0 |
| +5.1 | Round 1 | 🇫🇮 FINLAND | 4 | 4♥ | ♦8 | = | +3 |
| +4.9 | Round 4 | 🇸🇲 SAN MARINO | 29 | 2♠ | ♥K | -1 | +6 |
| +4.8 | Round 4 | 🇸🇲 SAN MARINO | 23 | 4♠ | ♥2 | +1 | +4 |
| +4.5 | Round 16 | 🇵🇰 PAKISTAN | 17 | 4♠ | ♣K | -3 | +6 |
| +4.4 | Round 13 | 🇳🇴 NORWAY | 4 | 3♠ | ♥5 | = | +1 |
| +4.2 | Round 2 | 🇿🇦 SOUTH AFRICA | 19 | 5♦ | ♠10 | = | +3 |
| +4.2 | Round 7 | 🇲🇽 MEXICO | 16 | 7NT | ♥9 | = | +0 |
| +4.1 | Round 1 | 🇫🇮 FINLAND | 14 | 3♥ | ♦2 | +1 | +6 |
| +4.0 | Round 17 | 🇯🇵 JAPAN | 5 | 3♠ | ♥A | -1 | +6 |
| +3.9 | Round 2 | 🇿🇦 SOUTH AFRICA | 24 | 2♠ | ♣8 | +1 | +6 |
| +3.6 | Round 5 | 🇪🇬 EGYPT | 8 | 1NT | ♣2 | +2 | +2 |
| +3.6 | Round 17 | 🇯🇵 JAPAN | 11 | 5♥x | ♦K | -1 | +5 |
| +3.5 | Round 1 | 🇫🇮 FINLAND | 16 | 2NT | ♠3 | -1 | -2 |
| +3.5 | Round 5 | 🇪🇬 EGYPT | 12 | 2NT | ♥A | -3 | -3 |
| +3.3 | Round 16 | 🇵🇰 PAKISTAN | 20 | 4♠ | ♠3 | -1 | -1 |
| +3.1 | Round 16 | 🇵🇰 PAKISTAN | 26 | 2♥ | ♦9 | +1 | +10 |
| +2.9 | Round 8 | 🇸🇪 SWEDEN | 21 | 1NT | ♦5 | +2 | +10 |
| +2.9 | Round 11 | 🇧🇷 BRAZIL | 1 | 3NT | ♦5 | -2 | +11 |
| +2.8 | Round 4 | 🇸🇲 SAN MARINO | 21 | 4♥ | ♠Q | +1 | +1 |
| +2.8 | Round 7 | 🇲🇽 MEXICO | 7 | 1NT | ♥2 | = | +6 |
| +2.5 | Round 13 | 🇳🇴 NORWAY | 10 | 3NT | ♣K | +1 | +0 |
| +2.4 | Round 16 | 🇵🇰 PAKISTAN | 22 | 4♥ | ♣6 | -1 | +5 |
| +2.4 | Round 17 | 🇯🇵 JAPAN | 3 | 1NT | ♥J | +3 | -10 |
| +2.2 | Round 5 | 🇪🇬 EGYPT | 5 | 2♦ | ♣8 | +1 | +0 |
| +2.1 | Round 13 | 🇳🇴 NORWAY | 12 | 2♠ | ♥5 | = | +0 |
| +2.0 | Round 1 | 🇫🇮 FINLAND | 10 | 2♠ | ♥A | -1 | -1 |
| +2.0 | Round 17 | 🇯🇵 JAPAN | 7 | 4♠ | ♦2 | +2 | +13 |
| +1.9 | Round 2 | 🇿🇦 SOUTH AFRICA | 21 | 3♠ | ♣K | = | +6 |
| +1.8 | Round 5 | 🇪🇬 EGYPT | 11 | 4♠ | ♥A | = | +0 |
| +1.8 | Round 7 | 🇲🇽 MEXICO | 13 | 6♦ | ♦5 | +1 | +13 |
| +1.7 | Round 17 | 🇯🇵 JAPAN | 12 | 4♠ | ♣7 | = | +0 |
| +1.6 | Round 5 | 🇪🇬 EGYPT | 2 | 4♥ | ♣Q | +1 | +0 |
| +1.6 | Round 8 | 🇸🇪 SWEDEN | 23 | 3♠ | ♣7 | -1 | -1 |
| +1.5 | Round 4 | 🇸🇲 SAN MARINO | 32 | 4♠ | ♦4 | +1 | +0 |
| +1.5 | Round 5 | 🇪🇬 EGYPT | 9 | 4♠ | ♦4 | -1 | +10 |
| +1.5 | Round 13 | 🇳🇴 NORWAY | 3 | 3♥ | ♠4 | = | +1 |
| +1.5 | Round 13 | 🇳🇴 NORWAY | 16 | 3♥ | ♣A | -1 | +5 |
| +1.5 | Round 17 | 🇯🇵 JAPAN | 2 | 4♠ | ♦4 | +2 | -14 |
| +1.4 | Round 1 | 🇫🇮 FINLAND | 15 | 2♥ | ♣Q | = | +0 |
| +1.4 | Round 2 | 🇿🇦 SOUTH AFRICA | 26 | 4♥ | ♠2 | +2 | +13 |
| +1.4 | Round 17 | 🇯🇵 JAPAN | 16 | 3♦ | ♠2 | = | +0 |
| +1.3 | Round 5 | 🇪🇬 EGYPT | 3 | 3NT | ♠7 | +1 | +0 |
| +1.2 | Round 16 | 🇵🇰 PAKISTAN | 27 | 1NT | ♥4 | +1 | -7 |
| +1.1 | Round 13 | 🇳🇴 NORWAY | 11 | 4♠ | ♣Q | +2 | +1 |
| +0.9 | Round 13 | 🇳🇴 NORWAY | 1 | 4♠ | ♥3 | +1 | +14 |
| +0.8 | Round 2 | 🇿🇦 SOUTH AFRICA | 32 | 2♥ | ♣7 | = | +0 |
| +0.8 | Round 5 | 🇪🇬 EGYPT | 16 | 1NT | ♦4 | +1 | +7 |
| +0.6 | Round 4 | 🇸🇲 SAN MARINO | 18 | 2♥ | ♣4 | +2 | +10 |
| +0.6 | Round 7 | 🇲🇽 MEXICO | 10 | 4♠ | ♦A | = | -1 |
| +0.6 | Round 13 | 🇳🇴 NORWAY | 5 | 3NT | ♠5 | +3 | +13 |
| +0.5 | Round 7 | 🇲🇽 MEXICO | 14 | 1♠ | ♥2 | = | -2 |
| +0.5 | Round 11 | 🇧🇷 BRAZIL | 10 | 2♠ | ♣A | -1 | -5 |
| +0.5 | Round 16 | 🇵🇰 PAKISTAN | 23 | 3♣ | ♣J | = | -1 |
| +0.4 | Round 1 | 🇫🇮 FINLAND | 9 | 2♠ | ♥A | -2 | +0 |
| +0.4 | Round 13 | 🇳🇴 NORWAY | 13 | 5♠ | ♦7 | +1 | +12 |
| +0.4 | Round 13 | 🇳🇴 NORWAY | 14 | 5♥ | ♠8 | -1 | +8 |
| +0.4 | Round 16 | 🇵🇰 PAKISTAN | 30 | 4♠ | ♣A | +1 | -4 |
| +0.4 | Round 17 | 🇯🇵 JAPAN | 8 | 4♠ | ♥K | +1 | +0 |
| +0.3 | Round 16 | 🇵🇰 PAKISTAN | 29 | 2♣ | ♠7 | +1 | +0 |
| +0.1 | Round 8 | 🇸🇪 SWEDEN | 17 | 4♥ | ♦Q | +1 | +0 |
| +0.1 | Round 11 | 🇧🇷 BRAZIL | 14 | 2♠ | ♦3 | = | -7 |
| -0.0 | Round 13 | 🇳🇴 NORWAY | 7 | 4♠ | ♣8 | +1 | +0 |
| -0.0 | Round 17 | 🇯🇵 JAPAN | 10 | 5♦ | ♥8 | = | +1 |
| -0.1 | Round 4 | 🇸🇲 SAN MARINO | 26 | 4♠ | ♦7 | = | +1 |
| -0.2 | Round 11 | 🇧🇷 BRAZIL | 7 | 4♥ | ♠9 | = | +0 |
| -0.2 | Round 11 | 🇧🇷 BRAZIL | 12 | 4♥ | ♦J | +1 | +0 |
| -0.2 | Round 11 | 🇧🇷 BRAZIL | 13 | 1NT | ♦Q | +3 | +9 |
| -0.2 | Round 16 | 🇵🇰 PAKISTAN | 19 | 2♦ | ♣Q | -1 | -1 |
| -0.3 | Round 5 | 🇪🇬 EGYPT | 4 | 4♥ | ♠3 | -2 | -3 |
| -0.3 | Round 5 | 🇪🇬 EGYPT | 6 | 4♠ | ♦J | +1 | +0 |
| -0.4 | Round 2 | 🇿🇦 SOUTH AFRICA | 22 | 4♠ | ♥8 | -1 | +10 |
| -0.4 | Round 5 | 🇪🇬 EGYPT | 14 | 4♠ | ♥8 | +1 | -11 |
| -0.4 | Round 17 | 🇯🇵 JAPAN | 1 | 4♠ | ♠2 | +1 | +0 |
| -0.5 | Round 1 | 🇫🇮 FINLAND | 8 | 2♣ | ♦5 | +1 | +0 |
| -0.5 | Round 16 | 🇵🇰 PAKISTAN | 24 | 2♦ | ♥10 | -2 | +8 |
| -0.6 | Round 7 | 🇲🇽 MEXICO | 3 | 3NT | ♣8 | +1 | +1 |
| -0.6 | Round 16 | 🇵🇰 PAKISTAN | 21 | 1♠ | ♦A | -1 | +2 |
| -0.7 | Round 13 | 🇳🇴 NORWAY | 9 | 3♥ | ♠A | = | -1 |
| -0.8 | Round 7 | 🇲🇽 MEXICO | 9 | 4♠ | ♣2 | -1 | +1 |
| -0.8 | Round 8 | 🇸🇪 SWEDEN | 20 | 3NT | ♠5 | = | +0 |
| -0.8 | Round 16 | 🇵🇰 PAKISTAN | 25 | 3NT | ♦3 | +1 | +0 |
| -0.8 | Round 16 | 🇵🇰 PAKISTAN | 28 | 2♠ | ♥J | +1 | +0 |
| -0.9 | Round 1 | 🇫🇮 FINLAND | 12 | 4♥ | ♦K | +1 | +0 |
| -0.9 | Round 2 | 🇿🇦 SOUTH AFRICA | 30 | 3NT | ♣10 | +1 | -1 |
| -0.9 | Round 5 | 🇪🇬 EGYPT | 13 | 3NT | ♠4 | +2 | +0 |
| -0.9 | Round 11 | 🇧🇷 BRAZIL | 3 | 4♥ | ♠7 | -1 | -10 |
| -1.0 | Round 11 | 🇧🇷 BRAZIL | 2 | 4♠ | ♣10 | = | -1 |
| -1.1 | Round 5 | 🇪🇬 EGYPT | 7 | 3NT | ♦7 | +2 | -13 |
| -1.1 | Round 7 | 🇲🇽 MEXICO | 2 | 4♦ | ♥A | = | -1 |
| -1.2 | Round 11 | 🇧🇷 BRAZIL | 8 | 1NT | ♥3 | +2 | +6 |
| -1.4 | Round 8 | 🇸🇪 SWEDEN | 19 | 3♥ | ♠8 | -1 | -3 |
| -1.5 | Round 11 | 🇧🇷 BRAZIL | 5 | 3♦ | ♠7 | = | +1 |
| -1.5 | Round 13 | 🇳🇴 NORWAY | 15 | 4♠ | ♥7 | +2 | +13 |
| -1.6 | Round 11 | 🇧🇷 BRAZIL | 9 | 2NT | ♦5 | -2 | -2 |
| -1.7 | Round 8 | 🇸🇪 SWEDEN | 18 | 4♥ | ♠10 | +2 | +3 |
| -1.8 | Round 8 | 🇸🇪 SWEDEN | 32 | 3NT | ♦3 | +2 | +0 |
| -1.9 | Round 1 | 🇫🇮 FINLAND | 1 | 4♥ | ♠6 | +3 | +10 |
| -1.9 | Round 8 | 🇸🇪 SWEDEN | 25 | 2♥ | ♠8 | +2 | -1 |
| -1.9 | Round 16 | 🇵🇰 PAKISTAN | 18 | 3NT | ♣K | -3 | -6 |
| -2.0 | Round 2 | 🇿🇦 SOUTH AFRICA | 28 | 4♥ | ♦Q | = | +0 |
| -2.2 | Round 1 | 🇫🇮 FINLAND | 11 | 1NT | ♠3 | +2 | +6 |
| -2.2 | Round 17 | 🇯🇵 JAPAN | 6 | 2♥ | ♣A | -1 | -5 |
| -2.2 | Round 17 | 🇯🇵 JAPAN | 9 | 4♥ | ♠9 | -1 | -6 |
| -2.4 | Round 1 | 🇫🇮 FINLAND | 5 | 1NT | ♠3 | = | +1 |
| -2.5 | Round 2 | 🇿🇦 SOUTH AFRICA | 25 | 3♠ | ♥4 | -2 | -15 |
| -2.5 | Round 4 | 🇸🇲 SAN MARINO | 20 | 3♥ | ♣Q | = | -8 |
| -2.6 | Round 8 | 🇸🇪 SWEDEN | 27 | 4♥ | ♠9 | = | +11 |
| -2.6 | Round 11 | 🇧🇷 BRAZIL | 16 | 3♠ | ♥3 | +2 | -2 |
| -2.9 | Round 7 | 🇲🇽 MEXICO | 4 | 3♥ | ♣Q | = | -6 |
| -2.9 | Round 7 | 🇲🇽 MEXICO | 15 | 3♦ | ♠8 | = | -7 |
| -2.9 | Round 17 | 🇯🇵 JAPAN | 14 | 4♠ | ♣9 | -1 | -10 |
| -3.2 | Round 11 | 🇧🇷 BRAZIL | 6 | 1NT | ♣Q | +1 | -11 |
| -3.3 | Round 2 | 🇿🇦 SOUTH AFRICA | 18 | 4♥ | ♦8 | = | -3 |
| -3.4 | Round 17 | 🇯🇵 JAPAN | 13 | 3♦ | ♠K | +1 | -1 |
| -3.5 | Round 4 | 🇸🇲 SAN MARINO | 30 | 4♠ | ♥Q | -2 | +0 |
| -3.6 | Round 2 | 🇿🇦 SOUTH AFRICA | 29 | 2NT | ♣9 | -1 | -5 |
| -3.6 | Round 16 | 🇵🇰 PAKISTAN | 32 | 4♥ | ♥4 | = | +0 |
| -3.7 | Round 8 | 🇸🇪 SWEDEN | 26 | 4♥ | ♠A | +1 | +0 |
| -3.9 | Round 2 | 🇿🇦 SOUTH AFRICA | 31 | 2♣ | ♠6 | = | -6 |
| -3.9 | Round 4 | 🇸🇲 SAN MARINO | 17 | 2♠ | ♣9 | +2 | -7 |
| -4.1 | Round 2 | 🇿🇦 SOUTH AFRICA | 23 | 4♠ | ♥10 | = | +0 |
| -4.1 | Round 2 | 🇿🇦 SOUTH AFRICA | 27 | 3NT | ♥8 | -1 | -10 |
| -4.2 | Round 2 | 🇿🇦 SOUTH AFRICA | 20 | 3NT | ♣J | +2 | -11 |
| -5.1 | Round 1 | 🇫🇮 FINLAND | 7 | 4♠ | ♣K | = | +1 |
| -5.1 | Round 4 | 🇸🇲 SAN MARINO | 19 | 4♠ | ♦A | -2 | -7 |
| -5.1 | Round 5 | 🇪🇬 EGYPT | 10 | 3♠ | ♠3 | -2 | -10 |
| -5.7 | Round 1 | 🇫🇮 FINLAND | 13 | 4♥ | ♣5 | -5 | +3 |
| -5.8 | Round 1 | 🇫🇮 FINLAND | 3 | 3NT | ♦J | -2 | -13 |
| -6.2 | Round 7 | 🇲🇽 MEXICO | 11 | 6♥ | ♦J | = | +0 |
| -6.2 | Round 8 | 🇸🇪 SWEDEN | 28 | 4♠ | ♥5 | +1 | -11 |
| -6.5 | Round 7 | 🇲🇽 MEXICO | 5 | 5♠ | ♥9 | +1 | -11 |
| -6.8 | Round 11 | 🇧🇷 BRAZIL | 4 | 1NT | ♥2 | +2 | -10 |
| -7.0 | Round 5 | 🇪🇬 EGYPT | 15 | 7♥ | ♠J | = | +0 |
| -7.2 | Round 7 | 🇲🇽 MEXICO | 6 | 1NT | ♣7 | +3 | -10 |
| -7.2 | Round 11 | 🇧🇷 BRAZIL | 15 | 5♣ | ♥A | = | +1 |
| -7.7 | Round 4 | 🇸🇲 SAN MARINO | 25 | 4♠ | ♥8 | -4 | -7 |
| -7.7 | Round 7 | 🇲🇽 MEXICO | 1 | 3NT | ♣3 | -1 | -10 |
| -7.9 | Round 4 | 🇸🇲 SAN MARINO | 22 | 6♥ | ♠10 | -1 | -14 |
| -8.0 | Round 13 | 🇳🇴 NORWAY | 2 | 5♥x | ♣10 | -4 | -4 |
| -8.6 | Round 13 | 🇳🇴 NORWAY | 6 | 2♠ | ♥K | +1 | -12 |
| -8.9 | Round 8 | 🇸🇪 SWEDEN | 30 | 3NT | ♠9 | +1 | -7 |
| -9.1 | Round 13 | 🇳🇴 NORWAY | 8 | 5♦ | ♠2 | +2 | -12 |
| -11.6 | Round 17 | 🇯🇵 JAPAN | 15 | 4♠ | ♠2 | = | -1 |