🇨🇳 MIAO Jiezhen · CHINA 1
15rank
+18.2Butler · 84 bds
+0.22per board
±4.8swing
+0.01vs par /bd · #20/42
+0.15adjusted /bd
by round
vs par split: bidding +0.30 · play -0.29
Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted +0.15/bd
Card play — on target: opening leads 68.8% #33 of 42 · declarer play 63.2% #36 of 42 · defence 73.5% #34 of 42
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 42.9% (7) | 88.9% (9) |
| Declarer play | 71.4% (7) | 58.3% (12) |
| Defence | 65.2% (23) | 80.8% (26) |
Opening leads by suit led: ♠ 40.0% (5) · ♥ 50.0% (2) · ♦ 83.3% (6) · ♣ 100.0% (3)
vs par by strain: NT +0.82 (33) · a suit -0.51 (51)
vs par by level: part-score -0.87 (30) · game +0.53 (45) · slam +0.33 (9)
By role: declaring +0.62/bd (-2.11 vs par · 35) · defending -0.07/bd (+1.53 vs par · 49)
By vulnerability: vulnerable +0.30/bd (-0.02 vs par · 42) · not vulnerable +0.13/bd (+0.05 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | R.Song | H.Luba – M.Xu | Open | 12 | +4.4 | +0.37 | +0.75 |
| Quarterfinal | R.Song | H.Luba – M.Xu | Open | 12 | -9.3 | -0.78 | -2.00 |
| Semifinal | R.Song | N.Berger – S.Zur | Open | 12 | +26.0 | +2.17 | +2.92 |
| Semifinal | R.Song | Y.Fixel – L.Batzia Greenberg | Open | 12 | -10.5 | -0.88 | -0.33 |
| Semifinal | R.Song | N.Berger – S.Zur | Open | 12 | -6.6 | -0.55 | -0.33 |
| Final | R.Song | K.Brekke – T.Toesse | Open | 12 | +30.8 | +2.57 | +1.17 |
| Final | R.Song | K.Brekke – T.Toesse | Open | 12 | -16.6 | -1.38 | -2.08 |
| Final | R.Song | M.Saetre – C.Johnsen | Open | 0 | +0.0 | +0.00 | · |
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 |
|---|---|---|---|---|---|---|---|
| +13.7 | Semifinal | 🇮🇱 ISRAEL | 21 | 5♥x | ♦A | -5 | +17 |
| +11.1 | Quarterfinal | 🇺🇸 USA | 20 | 4♠x | ♦J | = | +12 |
| +10.7 | Quarterfinal | 🇺🇸 USA | 23 | 6♣ | ♦A | = | +0 |
| +10.4 | Semifinal | 🇮🇱 ISRAEL | 11 | 6♥ | ♦9 | -2 | +14 |
| +8.6 | Final | 🇳🇴 NORWAY | 9 | 3♥ | ♠K | -1 | +6 |
| +8.3 | Final | 🇳🇴 NORWAY | 11 | 3NT | ♥7 | -4 | +8 |
| +8.0 | Final | 🇳🇴 NORWAY | 5 | 5♥x | ♦A | = | +13 |
| +6.9 | Semifinal | 🇮🇱 ISRAEL | 2 | 4♠x | ♣8 | -2 | +9 |
| +5.0 | Quarterfinal | 🇺🇸 USA | 33 | 2♠ | ♣A | -2 | +0 |
| +4.9 | Final | 🇳🇴 NORWAY | 34 | 4♠ | ♣2 | +2 | +2 |
| +4.7 | Semifinal | 🇮🇱 ISRAEL | 3 | 3NT | ♦3 | = | +7 |
| +4.1 | Semifinal | 🇮🇱 ISRAEL | 26 | 3NT | ♦7 | +2 | +0 |
| +4.0 | Semifinal | 🇮🇱 ISRAEL | 19 | 2♠ | ♦K | = | -1 |
| +3.9 | Semifinal | 🇮🇱 ISRAEL | 7 | 6♦ | ♠A | = | +7 |
| +3.7 | Semifinal | 🇮🇱 ISRAEL | 1 | 4♠ | ♣J | +2 | -11 |
| +3.7 | Semifinal | 🇮🇱 ISRAEL | 17 | 3♣ | ♣3 | -4 | +2 |
| +3.6 | Semifinal | 🇮🇱 ISRAEL | 23 | 3♠ | ♥A | -2 | +0 |
| +3.4 | Semifinal | 🇮🇱 ISRAEL | 8 | 3♠ | ♣K | +1 | +7 |
| +3.3 | Final | 🇳🇴 NORWAY | 7 | 2♥ | ♠10 | -3 | +4 |
| +3.1 | Final | 🇳🇴 NORWAY | 36 | 3NT | ♦5 | -3 | +11 |
| +3.0 | Semifinal | 🇮🇱 ISRAEL | 6 | 4♥ | ♠4 | -1 | +6 |
| +3.0 | Semifinal | 🇮🇱 ISRAEL | 12 | 3NT | ♦5 | +3 | +14 |
| +2.9 | Semifinal | 🇮🇱 ISRAEL | 32 | 1NT | ♣6 | -1 | +4 |
| +2.7 | Semifinal | 🇮🇱 ISRAEL | 27 | 4♠ | ♣Q | +2 | +1 |
| +2.6 | Semifinal | 🇮🇱 ISRAEL | 25 | 1NT | ♥7 | = | +6 |
| +2.4 | Final | 🇳🇴 NORWAY | 10 | 3NT | ♦3 | -2 | +3 |
| +2.3 | Final | 🇳🇴 NORWAY | 4 | 3NT | ♣6 | +1 | +0 |
| +2.0 | Quarterfinal | 🇺🇸 USA | 26 | 3♠ | ♥5 | = | +0 |
| +2.0 | Final | 🇳🇴 NORWAY | 12 | 4♥ | ♦3 | = | +0 |
| +1.7 | Quarterfinal | 🇺🇸 USA | 22 | 4♠ | ♦3 | +1 | +0 |
| +1.6 | Final | 🇳🇴 NORWAY | 2 | 3♠ | ♦4 | -2 | +0 |
| +1.4 | Final | 🇳🇴 NORWAY | 6 | 3NT | ♠10 | = | +7 |
| +1.3 | Quarterfinal | 🇺🇸 USA | 19 | 3NT | ♠10 | -1 | +6 |
| +1.1 | Quarterfinal | 🇺🇸 USA | 27 | 1NT | ♠10 | -1 | -1 |
| +1.1 | Semifinal | 🇮🇱 ISRAEL | 24 | 3NT | ♣9 | -3 | +7 |
| +0.6 | Quarterfinal | 🇺🇸 USA | 13 | 4♥ | ♠J | = | +0 |
| +0.6 | Semifinal | 🇮🇱 ISRAEL | 28 | 1NT | ♦7 | = | -12 |
| +0.4 | Semifinal | 🇮🇱 ISRAEL | 18 | 3NT | ♥6 | +2 | +0 |
| +0.3 | Final | 🇳🇴 NORWAY | 35 | 1NT | ♦J | +1 | +7 |
| +0.1 | Quarterfinal | 🇺🇸 USA | 16 | 5♦ | ♣A | = | +2 |
| +0.1 | Quarterfinal | 🇺🇸 USA | 18 | 3NT | ♥Q | -2 | -7 |
| +0.0 | Final | 🇳🇴 NORWAY | 31 | 4♥ | ♥8 | +1 | +0 |
| -0.3 | Quarterfinal | 🇺🇸 USA | 21 | 2♣ | ♦4 | +1 | +0 |
| -0.4 | Semifinal | 🇮🇱 ISRAEL | 16 | 3NT | ♦Q | +1 | +0 |
| -0.4 | Semifinal | 🇮🇱 ISRAEL | 34 | 3NT | ♠6 | +2 | -1 |
| -0.4 | Final | 🇳🇴 NORWAY | 26 | 1NT | ♣10 | +2 | +0 |
| -0.6 | Quarterfinal | 🇺🇸 USA | 30 | 2♠ | ♥7 | -2 | -1 |
| -0.6 | Semifinal | 🇮🇱 ISRAEL | 5 | 1NT | ♠7 | +2 | -2 |
| -0.6 | Semifinal | 🇮🇱 ISRAEL | 31 | 4♥ | ♠2 | = | -1 |
| -0.6 | Semifinal | 🇮🇱 ISRAEL | 35 | 4♠ | ♦10 | +1 | -1 |
| -0.9 | Semifinal | 🇮🇱 ISRAEL | 9 | 3NT | ♥A | +1 | -4 |
| -0.9 | Final | 🇳🇴 NORWAY | 28 | 3NT | ♥2 | +2 | -16 |
| -1.0 | Quarterfinal | 🇺🇸 USA | 28 | 4♥ | ♣8 | = | -9 |
| -1.1 | Quarterfinal | 🇺🇸 USA | 36 | 4♠ | ♥4 | -1 | -5 |
| -1.1 | Semifinal | 🇮🇱 ISRAEL | 10 | 2♠ | ♣9 | +1 | +0 |
| -1.1 | Semifinal | 🇮🇱 ISRAEL | 30 | 4♠ | ♣J | +1 | +1 |
| -1.1 | Semifinal | 🇮🇱 ISRAEL | 36 | 3♥ | ♦10 | = | -1 |
| -1.1 | Final | 🇳🇴 NORWAY | 33 | 2♠ | ♥A | +1 | -7 |
| -1.3 | Quarterfinal | 🇺🇸 USA | 29 | 4♥ | ♣A | = | +0 |
| -1.3 | Final | 🇳🇴 NORWAY | 1 | 1NT | ♠3 | +3 | -2 |
| -1.4 | Quarterfinal | 🇺🇸 USA | 15 | 6NT | ♥2 | = | +11 |
| -1.4 | Quarterfinal | 🇺🇸 USA | 31 | 3NT | ♠8 | +3 | +12 |
| -1.4 | Quarterfinal | 🇺🇸 USA | 34 | 3NT | ♠4 | -1 | -1 |
| -1.7 | Final | 🇳🇴 NORWAY | 3 | 3NT | ♠3 | = | -11 |
| -2.1 | Quarterfinal | 🇺🇸 USA | 25 | 3♦ | ♦5 | = | +0 |
| -2.1 | Final | 🇳🇴 NORWAY | 27 | 1NT | ♥7 | +2 | -1 |
| -3.0 | Final | 🇳🇴 NORWAY | 29 | 3♦ | ♠6 | -2 | -9 |
| -3.1 | Quarterfinal | 🇺🇸 USA | 32 | 6♠ | ♦J | +1 | -11 |
| -3.7 | Semifinal | 🇮🇱 ISRAEL | 13 | 3♥ | ♠2 | -2 | +0 |
| -4.1 | Quarterfinal | 🇺🇸 USA | 17 | 2♠ | ♦2 | +1 | +8 |
| -4.1 | Final | 🇳🇴 NORWAY | 8 | 6♠ | ♦6 | -1 | -14 |
| -4.3 | Semifinal | 🇮🇱 ISRAEL | 15 | 2♠x | ♥K | -3 | -12 |
| -4.7 | Quarterfinal | 🇺🇸 USA | 14 | 4♥ | ♦6 | +2 | -11 |
| -4.9 | Final | 🇳🇴 NORWAY | 32 | 4♥ | ♠Q | -1 | -6 |
| -5.4 | Quarterfinal | 🇺🇸 USA | 35 | 3♠ | ♦3 | -2 | -8 |
| -5.6 | Final | 🇳🇴 NORWAY | 30 | 4♥ | ♦2 | +1 | +0 |
| -6.4 | Semifinal | 🇮🇱 ISRAEL | 22 | 3NT | ♦6 | = | +0 |
| -6.6 | Semifinal | 🇮🇱 ISRAEL | 29 | 3♥ | ♣7 | -2 | -13 |
| -6.9 | Final | 🇳🇴 NORWAY | 25 | 3NT | ♥4 | -2 | -6 |
| -8.6 | Semifinal | 🇮🇱 ISRAEL | 20 | 6NT | ♦J | = | +0 |
| -9.1 | Semifinal | 🇮🇱 ISRAEL | 33 | 6♥ | ♦K | +1 | +13 |
| -10.4 | Semifinal | 🇮🇱 ISRAEL | 4 | 4♠ | ♦6 | -1 | -12 |
| -10.7 | Quarterfinal | 🇺🇸 USA | 24 | 3NT | ♥7 | = | -12 |
| -13.6 | Semifinal | 🇮🇱 ISRAEL | 14 | 6♠ | ♠10 | -1 | -17 |