LIU Siyuan · SX HYSW
11rank
+19.7Butler · 96 bds
+0.21per board
±4.8swing
+0.26vs par /bd · #9/18
+0.57adjusted /bd
by round
vs par split: bidding +0.29 · play -0.03
Strength of schedule: opponents averaged +0.37/bd (a tough draw) → opponent-adjusted +0.57/bd
Card play — on target: opening leads 69.6% #16 of 18 · declarer play 68.2% #14 of 18 · defence 89.6% #3 of 18
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (6) | 76.5% (17) |
| Declarer play | 80.0% (5) | 64.7% (17) |
| Defence | 85.7% (14) | 91.2% (34) |
Opening leads by suit led: ♠ 60.0% (5) · ♥ 71.4% (7) · ♦ 75.0% (4) · ♣ 71.4% (7)
vs par by strain: NT +1.86 (29) · a suit -0.43 (67)
vs par by level: part-score +0.02 (47) · game +1.06 (46) · slam -8.33 (3)
By role: declaring +0.07/bd (-1.94 vs par · 48) · defending +0.34/bd (+2.46 vs par · 48)
By vulnerability: vulnerable -0.21/bd (-1.27 vs par · 48) · not vulnerable +0.62/bd (+1.79 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | Y.Shao | O.Trybus – K.Kopka | Open | 16 | -7.9 | -0.49 | +0.44 |
| Quarterfinal | Y.Shao | O.Trybus – K.Kopka | Open | 16 | +2.0 | +0.12 | +1.19 |
| Semifinal | Y.Shao | H.Dai – T.Zhang | Open | 16 | +6.1 | +0.38 | -2.00 |
| Semifinal | Y.Shao | H.Dai – T.Zhang | Open | 16 | +25.3 | +1.58 | +1.56 |
| Final | Y.Shao | S.Qiu – H.Yu | Open | 16 | -34.8 | -2.17 | -2.12 |
| Final | Y.Shao | R.Pan – B.Jiang | Closed | 16 | +29.0 | +1.81 | +2.50 |
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 |
|---|---|---|---|---|---|---|---|
| +12.3 | Semifinal | SX XNWY | 19 | 6♠ | ♥J | = | +0 |
| +10.7 | Semifinal | SX XNWY | 17 | 4♠ | ♣3 | -1 | +10 |
| +10.3 | Semifinal | SX XNWY | 31 | 3♦ | ♥3 | = | +10 |
| +8.0 | Final | CHINA RDFZ1 | 8 | 5♣ | ♠2 | = | +7 |
| +7.6 | Quarterfinal | AZSUW AKADEMIABRYDZA | 3 | 2NT | ♥9 | +1 | +6 |
| +6.7 | Final | CHINA RDFZ1 | 32 | 3NT | ♣5 | = | +10 |
| +6.3 | Final | CHINA RDFZ1 | 30 | 3NT | ♣K | -4 | +8 |
| +6.0 | Semifinal | SX XNWY | 2 | 4♠ | ♦3 | -1 | +13 |
| +6.0 | Semifinal | SX XNWY | 6 | 6NT | ♠K | +1 | -13 |
| +6.0 | Semifinal | SX XNWY | 27 | 2NT | ♣2 | +1 | +6 |
| +5.7 | Quarterfinal | AZSUW AKADEMIABRYDZA | 25 | 5♦ | ♠3 | -1 | +5 |
| +5.7 | Semifinal | SX XNWY | 12 | 3♠ | ♥A | +2 | -6 |
| +5.7 | Final | CHINA RDFZ1 | 20 | 1NTx | ♠8 | +1 | +11 |
| +5.6 | Quarterfinal | AZSUW AKADEMIABRYDZA | 22 | 2NT | ♦K | = | +6 |
| +5.3 | Semifinal | SX XNWY | 28 | 4♠ | ♦7 | = | +6 |
| +5.3 | Final | CHINA RDFZ1 | 28 | 3NT | ♣2 | -2 | +8 |
| +5.1 | Quarterfinal | AZSUW AKADEMIABRYDZA | 29 | 3NT | ♥3 | +1 | +1 |
| +4.7 | Semifinal | SX XNWY | 14 | 2♦ | ♠4 | +2 | +0 |
| +4.6 | Quarterfinal | AZSUW AKADEMIABRYDZA | 15 | 3♦ | ♥3 | -1 | +11 |
| +4.3 | Final | CHINA RDFZ1 | 21 | 3NT | ♠2 | = | +0 |
| +4.0 | Quarterfinal | AZSUW AKADEMIABRYDZA | 6 | 2♠ | ♥2 | -1 | +5 |
| +3.7 | Final | CHINA RDFZ1 | 29 | 2♥ | ♠K | +2 | +10 |
| +3.3 | Quarterfinal | AZSUW AKADEMIABRYDZA | 17 | 2♣ | ♥3 | +1 | +6 |
| +3.3 | Semifinal | SX XNWY | 7 | 2NT | ♦5 | +1 | -1 |
| +3.0 | Final | CHINA RDFZ1 | 19 | 4♥ | ♦K | -2 | +6 |
| +2.7 | Final | CHINA RDFZ1 | 17 | 3♥ | ♦K | -1 | +5 |
| +2.6 | Quarterfinal | AZSUW AKADEMIABRYDZA | 31 | 4♠ | ♥3 | -1 | +12 |
| +2.4 | Quarterfinal | AZSUW AKADEMIABRYDZA | 19 | 2♠ | ♥3 | +1 | +6 |
| +2.1 | Quarterfinal | AZSUW AKADEMIABRYDZA | 5 | 4♠ | ♦J | = | +0 |
| +2.0 | Semifinal | SX XNWY | 13 | 2♥ | ♠J | +1 | +0 |
| +2.0 | Semifinal | SX XNWY | 21 | 3♦ | ♥K | +1 | +0 |
| +2.0 | Semifinal | SX XNWY | 32 | 2♠ | ♦A | +1 | +0 |
| +1.7 | Semifinal | SX XNWY | 1 | 4♠ | ♣K | -3 | +1 |
| +1.7 | Semifinal | SX XNWY | 10 | 3♠ | ♥A | +2 | +9 |
| +1.7 | Semifinal | SX XNWY | 16 | 4♥ | ♦6 | +2 | -9 |
| +1.7 | Final | CHINA RDFZ1 | 27 | 3NT | ♦7 | = | +0 |
| +1.6 | Quarterfinal | AZSUW AKADEMIABRYDZA | 32 | 3♦ | ♥3 | -2 | -1 |
| +1.3 | Semifinal | SX XNWY | 9 | 2♥ | ♦8 | -1 | +0 |
| +1.1 | Quarterfinal | AZSUW AKADEMIABRYDZA | 1 | 4♠ | ♦5 | +1 | +11 |
| +1.1 | Quarterfinal | AZSUW AKADEMIABRYDZA | 4 | 5♠ | ♦7 | +1 | +12 |
| +1.1 | Quarterfinal | AZSUW AKADEMIABRYDZA | 9 | 3♠ | ♦J | = | +1 |
| +1.1 | Quarterfinal | AZSUW AKADEMIABRYDZA | 12 | 3♦ | ♣Q | +1 | +0 |
| +0.7 | Quarterfinal | AZSUW AKADEMIABRYDZA | 24 | 3♣ | ♥9 | = | +0 |
| +0.7 | Semifinal | SX XNWY | 23 | 1NT | ♦J | +1 | +0 |
| +0.4 | Quarterfinal | AZSUW AKADEMIABRYDZA | 11 | 2♣ | ♠A | -2 | +0 |
| +0.3 | Semifinal | SX XNWY | 18 | 4♥ | ♣J | -1 | +3 |
| +0.3 | Final | CHINA RDFZ1 | 11 | 1NT | ♣2 | +1 | +0 |
| -0.0 | Quarterfinal | AZSUW AKADEMIABRYDZA | 18 | 3NT | ♥3 | +3 | -11 |
| -0.0 | Quarterfinal | AZSUW AKADEMIABRYDZA | 30 | 3NT | ♥5 | +2 | +11 |
| +0.0 | Final | CHINA RDFZ1 | 4 | 3NT | ♠10 | +2 | -1 |
| +0.0 | Final | CHINA RDFZ1 | 5 | 4♥ | ♠9 | = | +3 |
| +0.0 | Final | CHINA RDFZ1 | 14 | 3NT | ♣8 | +2 | +14 |
| +0.0 | Final | CHINA RDFZ1 | 15 | 4♠ | ♦K | +1 | +0 |
| -0.0 | Final | CHINA RDFZ1 | 18 | 4♠ | ♣9 | +1 | +0 |
| -0.0 | Final | CHINA RDFZ1 | 26 | 4♥ | ♣A | -2 | -8 |
| -0.1 | Quarterfinal | AZSUW AKADEMIABRYDZA | 20 | 3♣ | ♥3 | -1 | -1 |
| -0.3 | Semifinal | SX XNWY | 15 | 2♠ | ♥K | +1 | +0 |
| -0.3 | Semifinal | SX XNWY | 20 | 4♥ | ♠J | = | +0 |
| -0.3 | Final | CHINA RDFZ1 | 31 | 4♠ | ♦K | = | +0 |
| -0.7 | Semifinal | SX XNWY | 3 | 3NT | ♣J | +2 | +0 |
| -0.7 | Semifinal | SX XNWY | 29 | 1♠ | ♦J | +2 | +0 |
| -0.7 | Final | CHINA RDFZ1 | 22 | 3NT | ♣3 | -1 | +5 |
| -1.0 | Semifinal | SX XNWY | 26 | 4♠ | ♣2 | -4 | +5 |
| -1.0 | Final | CHINA RDFZ1 | 1 | 2♥ | ♦K | = | -1 |
| -1.1 | Quarterfinal | AZSUW AKADEMIABRYDZA | 16 | 2NT | ♦2 | -2 | -2 |
| -1.3 | Quarterfinal | AZSUW AKADEMIABRYDZA | 21 | 3♦ | ♥10 | = | -6 |
| -1.3 | Semifinal | SX XNWY | 30 | 3NT | ♣2 | = | +14 |
| -1.6 | Quarterfinal | AZSUW AKADEMIABRYDZA | 14 | 4♥ | ♦J | = | +1 |
| -1.7 | Semifinal | SX XNWY | 24 | 2♥ | ♣A | = | -6 |
| -1.7 | Final | CHINA RDFZ1 | 2 | 3♦ | ♠A | -1 | -5 |
| -1.7 | Final | CHINA RDFZ1 | 23 | 1NT | ♣6 | = | +2 |
| -2.0 | Final | CHINA RDFZ1 | 10 | 3♠ | ♦2 | = | +0 |
| -2.3 | Final | CHINA RDFZ1 | 6 | 3♥ | ♦4 | +1 | -7 |
| -2.7 | Semifinal | SX XNWY | 8 | 3♥ | ♣Q | -1 | -2 |
| -2.7 | Final | CHINA RDFZ1 | 24 | 4♠ | ♦A | -3 | -6 |
| -2.9 | Quarterfinal | AZSUW AKADEMIABRYDZA | 8 | 2♠ | ♣K | +2 | -7 |
| -3.0 | Final | CHINA RDFZ1 | 16 | 3NT | ♠10 | -1 | +6 |
| -3.3 | Semifinal | SX XNWY | 5 | 3♣ | ♥K | = | +0 |
| -4.0 | Final | CHINA RDFZ1 | 9 | 5♠x | ♣K | -2 | -5 |
| -4.3 | Quarterfinal | AZSUW AKADEMIABRYDZA | 23 | 3♥ | ♥3 | -1 | -6 |
| -4.7 | Quarterfinal | AZSUW AKADEMIABRYDZA | 7 | 2♠ | ♥3 | -2 | -9 |
| -4.7 | Final | CHINA RDFZ1 | 12 | 3NT | ♥7 | -2 | -13 |
| -5.0 | Final | CHINA RDFZ1 | 25 | 5♦x | ♠A | -2 | -11 |
| -5.1 | Quarterfinal | AZSUW AKADEMIABRYDZA | 10 | 4♠ | ♦J | -1 | -12 |
| -5.4 | Quarterfinal | AZSUW AKADEMIABRYDZA | 26 | 3♦ | ♠3 | -3 | -5 |
| -6.3 | Semifinal | SX XNWY | 25 | 3♠x | ♣4 | +3 | -10 |
| -6.7 | Final | CHINA RDFZ1 | 13 | 4♥ | ♦4 | -1 | -12 |
| -6.9 | Quarterfinal | AZSUW AKADEMIABRYDZA | 2 | 2NT | ♣4 | -4 | -2 |
| -6.9 | Quarterfinal | AZSUW AKADEMIABRYDZA | 28 | 3NT | ♥3 | +1 | +1 |
| -7.0 | Quarterfinal | AZSUW AKADEMIABRYDZA | 27 | 3NT | ♥3 | = | +1 |
| -8.0 | Final | CHINA RDFZ1 | 7 | 4♠ | ♦9 | -1 | -12 |
| -8.3 | Semifinal | SX XNWY | 11 | 4♠x | ♥K | = | -12 |
| -8.7 | Quarterfinal | AZSUW AKADEMIABRYDZA | 13 | 3♠ | ♣A | +1 | -8 |
| -9.7 | Final | CHINA RDFZ1 | 3 | 3♠ | ♣6 | = | -8 |
| -12.7 | Semifinal | SX XNWY | 4 | 6♥ | ♥10 | -1 | -12 |
| -13.0 | Semifinal | SX XNWY | 22 | 3NT | ♠8 | -2 | -13 |