GUO Xiaofeng · ZHONGSHAN JIEGAO
99rank
+46.4Butler · 100 bds
+0.46per board
±4.5swing
+0.43vs par /bd · #140/567
+0.40adjusted /bd
by round
vs par split: bidding +0.40 · play +0.00
Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted +0.40/bd
Card play — on target: opening leads 84.0% #168 of 567 · declarer play 92.0% #17 of 567 · defence 81.2% #357 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 77.8% (9) | 87.5% (16) |
| Declarer play | 100.0% (7) | 88.9% (18) |
| Defence | 66.7% (12) | 86.1% (36) |
Opening leads by suit led: ♠ 75.0% (8) · ♥ 87.5% (8) · ♦ 100.0% (5) · ♣ 75.0% (4)
vs par by strain: NT -0.68 (31) · a suit +0.90 (68)
vs par by level: part-score +1.54 (35) · game -0.02 (59) · slam -2.60 (5)
By role: declaring +0.62/bd (-1.27 vs par · 51) · defending +0.31/bd (+2.20 vs par · 49)
By vulnerability: vulnerable +0.87/bd (+0.52 vs par · 50) · not vulnerable +0.06/bd (+0.34 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Huang | L.Qi – S.Liu | Closed | 10 | +14.6 | +1.46 | +2.50 |
| Round 2 | Y.Huang | A.Nurhalim – M.Hartono | Closed | 10 | +14.2 | +1.42 | +0.10 |
| Round 3 | Y.Huang | S.Fraser – D.Fraser | Closed | 10 | +11.2 | +1.12 | +0.50 |
| Round 6 | Y.Huang | G.Matushko – J.Khokhlov | Closed | 10 | -8.1 | -0.81 | -2.40 |
| Round 7 | Y.Huang | W.He – J.Yao | Open | 10 | +1.0 | +0.10 | +3.20 |
| Round 8 | Y.Huang | W.Gu – W.Gong | Closed | 10 | +10.3 | +1.03 | +1.10 |
| Round 11 | Y.Huang | X.Yu – S.Zhang | Closed | 10 | +5.3 | +0.53 | +1.20 |
| Round 12 | Y.Huang | L.Gontha – S.Suhendro | Closed | 10 | +2.2 | +0.22 | -0.30 |
| Round 13 | Y.Huang | E.Sefita – A.Soebroto | Closed | 10 | -9.0 | -0.90 | +0.40 |
| Round 15 | Y.Huang | K.Mccallum – L.Baker | Open | 10 | +4.7 | +0.47 | -2.00 |
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 |
|---|---|---|---|---|---|---|---|
| +11.5 | Round 3 | WE THE NORTH | 23 | 3NT | ♦3 | = | +10 |
| +10.5 | Round 2 | INDONESIA Seniors | 11 | 5♥x | ♣K | -4 | +9 |
| +9.7 | Round 7 | CRE8IVE | 10 | 5♦x | ♠Q | -2 | +12 |
| +9.0 | Round 15 | USA 1 Women | 21 | 2♦ | ♣J | -4 | +11 |
| +8.1 | Round 15 | USA 1 Women | 26 | 5♦x | ♥10 | = | +3 |
| +8.0 | Round 1 | WUHAN JIANG AN AREA | 4 | 4♥ | ♦9 | = | +10 |
| +7.8 | Round 1 | WUHAN JIANG AN AREA | 10 | 4♥x | ♣10 | -2 | +9 |
| +7.8 | Round 7 | CRE8IVE | 5 | 5♣x | ♥3 | -2 | +9 |
| +6.5 | Round 6 | RUSSIA Open | 29 | 6♠ | ♦J | = | +0 |
| +5.9 | Round 12 | INDONESIA Open | 24 | 4♠ | ♣A | +1 | +0 |
| +5.9 | Round 15 | USA 1 Women | 22 | 3NT | ♥6 | = | +0 |
| +5.7 | Round 8 | HUBEI BRIDGE TEAM | 12 | 6♣ | ♦3 | = | -2 |
| +5.2 | Round 2 | INDONESIA Seniors | 19 | 2♣ | ♦10 | -1 | +6 |
| +5.2 | Round 3 | WE THE NORTH | 29 | 4♠ | ♥J | = | +10 |
| +5.2 | Round 8 | HUBEI BRIDGE TEAM | 19 | 3NT | ♥7 | -2 | +11 |
| +4.9 | Round 1 | WUHAN JIANG AN AREA | 5 | 4♠ | ♠4 | +1 | +1 |
| +4.9 | Round 7 | CRE8IVE | 7 | 2♦ | ♦3 | -1 | +5 |
| +4.9 | Round 13 | INDONESIA Mixed | 6 | 4♥ | ♣3 | -1 | +10 |
| +4.7 | Round 11 | SHANGHAILVCHENG | 19 | 3NT | ♥4 | +1 | +1 |
| +4.3 | Round 13 | INDONESIA Mixed | 5 | 4♥ | ♠8 | = | +11 |
| +4.2 | Round 3 | WE THE NORTH | 28 | 3NT | ♦Q | +4 | +2 |
| +4.1 | Round 13 | INDONESIA Mixed | 2 | 2♠ | ♣2 | +1 | +12 |
| +3.9 | Round 12 | INDONESIA Open | 22 | 6♥ | ♦J | = | +0 |
| +3.8 | Round 2 | INDONESIA Seniors | 16 | 3NT | ♥4 | = | +7 |
| +3.6 | Round 6 | RUSSIA Open | 27 | 5♠x | ♣A | -1 | +9 |
| +3.2 | Round 8 | HUBEI BRIDGE TEAM | 17 | 4♥ | ♦3 | -2 | +0 |
| +3.2 | Round 11 | SHANGHAILVCHENG | 16 | 4♥ | ♠6 | -1 | +5 |
| +3.2 | Round 11 | SHANGHAILVCHENG | 20 | Pass | +3 | ||
| +3.1 | Round 11 | SHANGHAILVCHENG | 13 | 1NT | ♣J | +3 | -1 |
| +3.0 | Round 11 | SHANGHAILVCHENG | 14 | 3♦ | ♠A | -1 | +2 |
| +2.6 | Round 12 | INDONESIA Open | 25 | 6♥ | ♣A | = | -11 |
| +2.0 | Round 3 | WE THE NORTH | 30 | 4♠x | ♣2 | -3 | +2 |
| +1.8 | Round 6 | RUSSIA Open | 24 | 3♦ | ♣6 | +1 | +1 |
| +1.5 | Round 1 | WUHAN JIANG AN AREA | 2 | 3♦ | ♥A | +1 | +0 |
| +1.5 | Round 7 | CRE8IVE | 6 | 4♥x | ♦6 | -2 | +3 |
| +1.4 | Round 11 | SHANGHAILVCHENG | 12 | 4♥ | ♦J | = | +0 |
| +1.3 | Round 2 | INDONESIA Seniors | 17 | 2♠ | ♠5 | +2 | -6 |
| +1.2 | Round 1 | WUHAN JIANG AN AREA | 7 | 1NT | ♥5 | +2 | +1 |
| +1.2 | Round 2 | INDONESIA Seniors | 18 | 2♥ | ♥2 | -1 | +4 |
| +1.2 | Round 8 | HUBEI BRIDGE TEAM | 20 | 2♥ | ♠4 | = | +6 |
| +1.0 | Round 3 | WE THE NORTH | 25 | 2♠ | ♦J | -2 | +5 |
| +1.0 | Round 12 | INDONESIA Open | 21 | 2♠ | ♠5 | = | +0 |
| +1.0 | Round 13 | INDONESIA Mixed | 7 | 4♠ | ♠3 | = | -1 |
| +0.9 | Round 2 | INDONESIA Seniors | 14 | 2NT | ♥5 | = | +6 |
| +0.9 | Round 7 | CRE8IVE | 2 | 2♠ | ♦8 | -1 | -1 |
| +0.7 | Round 8 | HUBEI BRIDGE TEAM | 13 | 3♠ | ♠3 | -1 | +1 |
| +0.6 | Round 1 | WUHAN JIANG AN AREA | 1 | 3♠ | ♣4 | +1 | +6 |
| +0.6 | Round 6 | RUSSIA Open | 23 | 2♥ | ♣4 | = | -1 |
| +0.5 | Round 15 | USA 1 Women | 25 | 3NT | ♦A | = | +1 |
| +0.2 | Round 6 | RUSSIA Open | 30 | 2NT | ♦2 | +2 | -6 |
| +0.1 | Round 3 | WE THE NORTH | 22 | 3NT | ♥10 | -1 | +5 |
| +0.1 | Round 6 | RUSSIA Open | 22 | 3♦ | ♦3 | -1 | +1 |
| -0.0 | Round 6 | RUSSIA Open | 26 | 2♦ | ♥5 | +1 | +0 |
| +0.0 | Round 8 | HUBEI BRIDGE TEAM | 11 | 4♠ | ♥A | +1 | +0 |
| -0.0 | Round 8 | HUBEI BRIDGE TEAM | 14 | 3NT | ♥4 | +2 | +0 |
| -0.1 | Round 2 | INDONESIA Seniors | 20 | 4♥ | ♣A | -2 | -7 |
| -0.2 | Round 7 | CRE8IVE | 1 | 3♥ | ♥5 | -1 | +2 |
| -0.2 | Round 11 | SHANGHAILVCHENG | 18 | 2♠ | ♥2 | = | +0 |
| -0.2 | Round 15 | USA 1 Women | 24 | 3NT | ♠2 | +2 | +0 |
| -0.3 | Round 1 | WUHAN JIANG AN AREA | 3 | 2♥ | ♣3 | = | +1 |
| -0.3 | Round 3 | WE THE NORTH | 24 | 5♦ | ♥4 | = | -2 |
| -0.3 | Round 12 | INDONESIA Open | 23 | 2♥ | ♥9 | +1 | +0 |
| -0.4 | Round 7 | CRE8IVE | 8 | 3NT | ♥Q | +2 | +10 |
| -0.5 | Round 8 | HUBEI BRIDGE TEAM | 15 | 3NT | ♥4 | +1 | +0 |
| -0.7 | Round 12 | INDONESIA Open | 28 | 5♥ | ♠J | = | +11 |
| -0.9 | Round 13 | INDONESIA Mixed | 9 | 3NT | ♥6 | +2 | -2 |
| -1.0 | Round 12 | INDONESIA Open | 29 | 2♠ | ♣3 | = | -1 |
| -1.1 | Round 3 | WE THE NORTH | 26 | 4♥ | ♠J | +2 | -13 |
| -1.6 | Round 2 | INDONESIA Seniors | 13 | 1NT | ♦K | +1 | +0 |
| -1.6 | Round 11 | SHANGHAILVCHENG | 17 | 2NT | ♦A | -3 | +6 |
| -1.6 | Round 12 | INDONESIA Open | 26 | 2NT | ♠3 | +2 | -1 |
| -1.7 | Round 8 | HUBEI BRIDGE TEAM | 18 | 5♦ | ♣5 | = | +2 |
| -1.8 | Round 15 | USA 1 Women | 23 | 3♥ | ♦3 | = | -1 |
| -2.1 | Round 1 | WUHAN JIANG AN AREA | 6 | 3♥ | ♠4 | = | +7 |
| -2.1 | Round 12 | INDONESIA Open | 30 | 3♦ | ♥6 | -2 | +1 |
| -2.5 | Round 15 | USA 1 Women | 28 | 3NT | ♥10 | +3 | -11 |
| -2.7 | Round 3 | WE THE NORTH | 27 | 4♥ | ♠2 | = | -3 |
| -2.8 | Round 15 | USA 1 Women | 30 | 3NT | ♦3 | -1 | -5 |
| -3.1 | Round 1 | WUHAN JIANG AN AREA | 8 | 4♠ | ♦A | -1 | -10 |
| -3.2 | Round 7 | CRE8IVE | 3 | 3NT | ♥10 | -1 | -5 |
| -3.3 | Round 2 | INDONESIA Seniors | 15 | 4♥ | ♠A | = | -6 |
| -3.3 | Round 6 | RUSSIA Open | 25 | 3NT | ♦8 | -2 | -7 |
| -3.5 | Round 8 | HUBEI BRIDGE TEAM | 16 | 3NT | ♥5 | -2 | -7 |
| -3.5 | Round 13 | INDONESIA Mixed | 1 | 4♥ | ♦Q | = | +0 |
| -3.7 | Round 2 | INDONESIA Seniors | 12 | 4♠ | ♥Q | -1 | -12 |
| -3.7 | Round 13 | INDONESIA Mixed | 4 | 2♠ | ♥Q | = | -6 |
| -3.9 | Round 1 | WUHAN JIANG AN AREA | 9 | 4♥ | ♦A | -2 | +0 |
| -3.9 | Round 13 | INDONESIA Mixed | 10 | 4♥ | ♠5 | -2 | -8 |
| -4.2 | Round 7 | CRE8IVE | 9 | 3NT | ♠2 | = | +13 |
| -4.5 | Round 13 | INDONESIA Mixed | 8 | 6♦ | ♠5 | = | +0 |
| -5.1 | Round 11 | SHANGHAILVCHENG | 15 | 4♠ | ♦6 | = | +1 |
| -5.2 | Round 15 | USA 1 Women | 27 | 3♠ | ♠8 | = | -6 |
| -5.5 | Round 12 | INDONESIA Open | 27 | 4♠ | ♥J | +2 | -2 |
| -6.3 | Round 15 | USA 1 Women | 29 | 5♥ | ♠K | -1 | -12 |
| -6.4 | Round 11 | SHANGHAILVCHENG | 11 | 3NT | ♣K | -2 | -5 |
| -6.8 | Round 13 | INDONESIA Mixed | 3 | 3NT | ♦3 | -1 | -12 |
| -8.0 | Round 6 | RUSSIA Open | 21 | 3NTx | ♠4 | -3 | -11 |
| -8.7 | Round 3 | WE THE NORTH | 21 | 3NT | ♠Q | -2 | -11 |
| -9.6 | Round 6 | RUSSIA Open | 28 | 3NT | ♦4 | = | -10 |
| -15.8 | Round 7 | CRE8IVE | 4 | 4♠x | ♦A | +1 | -16 |