LIU Siqi · RDFZ R
vs par split: bidding -1.39 · play -0.52
Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted -0.85/bd
Card play — on target: opening leads 90.9% #22 of 132 · declarer play 60.9% #111 of 132 · defence 77.8% #103 of 132
Bidding activity — not a pass: 51.1% #10 of 132 (89/174)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 88.9% (9) |
| Declarer play | 57.1% (7) | 62.5% (16) |
| Defence | 40.0% (5) | 86.4% (22) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (4) · ♦ 66.7% (3) · ♣ 100.0% (3)
vs par by strain: NT -1.67 (18) · a suit -2.00 (51)
vs par by level: part-score -2.49 (35) · game -1.57 (30) · slam +0.50 (4)
By role: declaring -0.29/bd (-3.67 vs par · 42) · defending -1.61/bd (+0.81 vs par · 27)
By vulnerability: vulnerable -0.37/bd (-2.06 vs par · 35) · not vulnerable -1.21/bd (-1.60 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Ni | S.De Wijs – L.De Wijs | Open | 10 | -35.8 | -3.58 | -3.10 |
| Round 2 | Y.Ni | B.Zhang – Y.Yang | Open | 10 | -2.3 | -0.23 | -2.00 |
| Round 4 | Y.Ni | M.Grabowski – A.Farine | Open | 10 | -3.9 | -0.39 | +2.10 |
| Round 6 | Y.Ni | N.Zeeberg – C.Zeeberg | Open | 10 | -2.9 | -0.29 | -4.40 |
| Round 7 | Y.Ni | E.Osen – K.Austad | Open | 10 | -10.8 | -1.08 | -1.30 |
| Round 8 | L.Liu | P.Typaldos – A.Beligianni | Open | 10 | -9.0 | -0.90 | -2.70 |
| Round 9 | Y.Ni | M.Kaminski – W.Godlewski | Open | 10 | +9.5 | +0.95 | -1.40 |
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 |
|---|---|---|---|---|---|---|---|
| +9.2 | Round 9 | PIAST GOL AZS UW | 16 | 6NT | ♠5 | = | +0 |
| +6.9 | Round 4 | WZBS | 21 | 5♣ | ♥A | -1 | +10 |
| +6.7 | Round 6 | KAMAZEE | 17 | 5♣x | ♦Q | = | +3 |
| +6.1 | Round 2 | RDFZ B | 5 | 4♠ | ♥K | -2 | +8 |
| +5.0 | Round 4 | WZBS | 22 | 3NT | ♣7 | = | +5 |
| +4.7 | Round 9 | PIAST GOL AZS UW | 14 | 6♠ | ♣6 | +1 | -11 |
| +4.2 | Round 6 | KAMAZEE | 16 | 4♠ | ♦Q | = | +0 |
| +3.8 | Round 9 | PIAST GOL AZS UW | 20 | 3NT | ♥T | = | +10 |
| +3.1 | Round 7 | NONE | 29 | 1NT | ♥5 | -1 | +5 |
| +3.0 | Round 4 | WZBS | 26 | 6♠ | ♦T | = | +0 |
| +3.0 | Round 8 | PANATHINAIKOS | 3 | 4♥ | ♣K | -1 | +5 |
| +3.0 | Round 9 | PIAST GOL AZS UW | 19 | 4♠ | ♣6 | = | +3 |
| +2.9 | Round 2 | RDFZ B | 9 | 2♣ | ♠2 | = | -1 |
| +2.7 | Round 7 | NONE | 22 | 3♥ | ♦A | = | +1 |
| +2.3 | Round 6 | KAMAZEE | 13 | 2NT | ♠J | = | +0 |
| +2.2 | Round 4 | WZBS | 29 | 4♥ | ♣K | +1 | +0 |
| +1.5 | Round 8 | PANATHINAIKOS | 4 | 5♣ | ♣3 | = | -13 |
| +1.0 | Round 2 | RDFZ B | 4 | 5♦ | ♥A | +2 | -13 |
| +1.0 | Round 7 | NONE | 21 | 3♦ | ♥4 | = | +0 |
| +1.0 | Round 8 | PANATHINAIKOS | 8 | 2♠ | ♥5 | = | +7 |
| +1.0 | Round 8 | PANATHINAIKOS | 9 | 2♠ | ♥Q | -1 | -2 |
| +0.9 | Round 2 | RDFZ B | 10 | 3NT | ♠7 | = | +0 |
| +0.7 | Round 6 | KAMAZEE | 18 | 3♠ | ♣K | = | +0 |
| +0.7 | Round 9 | PIAST GOL AZS UW | 15 | 3♦ | ♥Q | -1 | +2 |
| +0.6 | Round 2 | RDFZ B | 2 | 3♦ | ♥K | = | +5 |
| +0.4 | Round 1 | NETHERLANDS U21 | 27 | 1♥ | ♠A | -1 | +2 |
| +0.4 | Round 2 | RDFZ B | 7 | 3♠ | ♣K | -1 | +0 |
| +0.3 | Round 2 | RDFZ B | 6 | Pass | +4 | ||
| +0.3 | Round 9 | PIAST GOL AZS UW | 13 | 3♦ | ♣5 | = | -11 |
| +0.2 | Round 7 | NONE | 26 | 2♠ | ♥K | +1 | +0 |
| +0.1 | Round 8 | PANATHINAIKOS | 2 | 4♠ | ♠2 | = | +0 |
| -0.0 | Round 7 | NONE | 25 | 1NT | ♠T | = | -1 |
| -0.1 | Round 6 | KAMAZEE | 14 | 4♠ | ♣8 | +1 | -1 |
| -0.2 | Round 2 | RDFZ B | 3 | 2♠ | ♣Q | +3 | -9 |
| -0.4 | Round 9 | PIAST GOL AZS UW | 17 | 3♥ | ♣6 | +2 | -6 |
| -0.5 | Round 6 | KAMAZEE | 20 | 4♠ | ♦K | +1 | -13 |
| -0.5 | Round 8 | PANATHINAIKOS | 1 | 1NT | ♣A | +2 | +0 |
| -0.6 | Round 1 | NETHERLANDS U21 | 21 | 4♠ | ♣J | = | +0 |
| -0.7 | Round 8 | PANATHINAIKOS | 5 | 2♥ | ♣3 | +4 | -11 |
| -1.0 | Round 7 | NONE | 27 | 1NT | ♥7 | -4 | -6 |
| -1.3 | Round 4 | WZBS | 25 | 2NT | ♠K | -1 | -5 |
| -1.6 | Round 4 | WZBS | 27 | 2♠ | ♥4 | +1 | +0 |
| -1.6 | Round 9 | PIAST GOL AZS UW | 12 | 2NT | ♥3 | -1 | -5 |
| -1.7 | Round 1 | NETHERLANDS U21 | 29 | 2♠ | ♦J | = | +0 |
| -1.7 | Round 4 | WZBS | 30 | 4♠ | ♣Q | = | +1 |
| -1.8 | Round 6 | KAMAZEE | 15 | 2♥ | ♠K | +1 | -6 |
| -1.9 | Round 6 | KAMAZEE | 12 | 3NT | ♣4 | -2 | -5 |
| -2.1 | Round 1 | NETHERLANDS U21 | 22 | 2♣ | ♥6 | +1 | +0 |
| -2.2 | Round 9 | PIAST GOL AZS UW | 11 | 2♠ | ♣A | +2 | +7 |
| -2.7 | Round 4 | WZBS | 24 | 3♣ | ♥A | +2 | +6 |
| -3.0 | Round 7 | NONE | 24 | 5♥ | ♦A | -2 | +0 |
| -3.0 | Round 8 | PANATHINAIKOS | 10 | 4♠ | ♣8 | = | +0 |
| -3.4 | Round 7 | NONE | 23 | 4♥ | ♠2 | -1 | +1 |
| -3.8 | Round 1 | NETHERLANDS U21 | 24 | 2♥ | ♠T | +1 | -7 |
| -4.0 | Round 1 | NETHERLANDS U21 | 28 | 3♠ | ♥2 | +1 | -8 |
| -4.1 | Round 1 | NETHERLANDS U21 | 23 | 3NT | ♠T | -1 | +1 |
| -4.5 | Round 4 | WZBS | 23 | 6♠ | ♥9 | +1 | +13 |
| -4.5 | Round 8 | PANATHINAIKOS | 7 | 3♦ | ♠4 | +1 | -11 |
| -4.9 | Round 7 | NONE | 30 | 3NT | ♠A | -2 | -6 |
| -5.0 | Round 2 | RDFZ B | 1 | 2♠ | ♥A | +4 | -5 |
| -5.1 | Round 6 | KAMAZEE | 11 | 5♦ | ♣8 | -1 | -10 |
| -5.3 | Round 1 | NETHERLANDS U21 | 30 | 2♥ | ♠A | = | -6 |
| -5.5 | Round 7 | NONE | 28 | 4♠ | ♦A | = | -7 |
| -6.9 | Round 1 | NETHERLANDS U21 | 25 | 3NT | ♦3 | +1 | +0 |
| -6.9 | Round 8 | PANATHINAIKOS | 6 | 3NT | ♣5 | +2 | -2 |
| -7.4 | Round 6 | KAMAZEE | 19 | 3NT | ♥Q | -1 | -12 |
| -7.7 | Round 1 | NETHERLANDS U21 | 26 | 3♣ | ♦A | +2 | -13 |
| -8.0 | Round 9 | PIAST GOL AZS UW | 18 | 4♠ | ♦5 | = | -3 |
| -9.2 | Round 4 | WZBS | 28 | 1NT | ♦J | -5 | -9 |
| -9.3 | Round 2 | RDFZ B | 8 | 4♥x | ♣A | -4 | -9 |