PENG Youyou · RDFZ R
91rank
-20.2Butler · 90 bds
-0.22per board
±5.3swing
+0.64vs par /bd · #32/132
-0.22adjusted /bd
by round
vs par split: bidding +0.97 · play -0.32
Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted -0.22/bd
Card play — on target: opening leads 78.6% #77 of 132 · declarer play 75.0% #40 of 132 · defence 75.5% #115 of 132
Bidding activity — not a pass: 38.2% #114 of 132 (99/259)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 77.8% (9) | 78.9% (19) |
| Declarer play | 100.0% (2) | 71.4% (14) |
| Defence | 66.7% (15) | 78.9% (38) |
Opening leads by suit led: ♠ 62.5% (8) · ♥ 88.9% (9) · ♦ 75.0% (4) · ♣ 85.7% (7)
vs par by strain: NT +1.30 (23) · a suit +0.42 (67)
vs par by level: part-score +1.49 (37) · game +0.11 (47) · slam -0.33 (6)
By role: declaring -0.23/bd (-1.89 vs par · 37) · defending -0.22/bd (+2.42 vs par · 53)
By vulnerability: vulnerable -0.12/bd (+1.09 vs par · 45) · not vulnerable -0.33/bd (+0.20 vs par · 45)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Li | G.Friesen – J.Essink | Closed | 10 | +5.4 | +0.54 | +0.40 |
| Round 2 | X.Li | H.Ma – Z.Wang | Closed | 10 | -20.3 | -2.03 | -0.40 |
| Round 4 | L.Liu | A.Krawiecki – S.Heimrath | Closed | 10 | -21.5 | -2.15 | -4.70 |
| Round 5 | X.Li | K.Jankowiak – H.Jaworska | Closed | 10 | +12.8 | +1.28 | +0.00 |
| Round 6 | X.Li | M.Larsen – K.Andersen | Closed | 10 | -5.1 | -0.51 | +3.50 |
| Round 7 | X.Li | W.Klarenbeek – M.Goor | Closed | 10 | +4.9 | +0.49 | +0.80 |
| Round 8 | X.Li | I.Herbst – E.Gisin | Closed | 10 | +12.4 | +1.24 | +2.70 |
| Round 9 | X.Li | B.Gala – D.Wrzesinski | Closed | 10 | -20.6 | -2.06 | +0.40 |
| Round 10 | X.Li | K.Pacalowska – S.Wojtczak | Closed | 10 | +11.8 | +1.18 | +3.10 |
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 |
|---|---|---|---|---|---|---|---|
| +12.9 | Round 1 | NETHERLANDS U21 | 23 | 3♠x | ♠A | = | +11 |
| +11.6 | Round 10 | PTC DOLINA NARWI | 27 | 6♥x | ♠T | -2 | +13 |
| +10.5 | Round 5 | KL2 KBSM2 | 7 | 2NTx | ♣4 | -2 | +12 |
| +9.6 | Round 9 | PIAST GOL AZS UW | 19 | 4♠ | ♦K | -1 | +12 |
| +8.3 | Round 10 | PTC DOLINA NARWI | 23 | 4♠ | ♦6 | -2 | +8 |
| +8.1 | Round 9 | PIAST GOL AZS UW | 11 | 4♠ | ♠T | +1 | +0 |
| +7.7 | Round 10 | PTC DOLINA NARWI | 24 | 3NT | ♥A | = | +7 |
| +7.6 | Round 8 | PANATHINAIKOS | 5 | 3♠ | ♥A | +1 | +14 |
| +7.6 | Round 8 | PANATHINAIKOS | 6 | 3♠x | ♥4 | -2 | +3 |
| +7.2 | Round 7 | NONE | 30 | 3NT | ♠K | -5 | +9 |
| +7.1 | Round 5 | KL2 KBSM2 | 4 | 5♦ | ♥3 | -2 | +7 |
| +6.6 | Round 6 | KAMAZEE | 15 | 3NT | ♦8 | -1 | +10 |
| +6.1 | Round 1 | NETHERLANDS U21 | 25 | 3NT | ♦2 | = | -1 |
| +5.6 | Round 9 | PIAST GOL AZS UW | 12 | 3NT | ♦6 | -4 | +8 |
| +5.3 | Round 7 | NONE | 22 | 3NT | ♦4 | -4 | +7 |
| +4.9 | Round 10 | PTC DOLINA NARWI | 25 | 3♥ | ♦5 | +1 | +12 |
| +4.7 | Round 5 | KL2 KBSM2 | 1 | 3NT | ♠8 | +2 | +0 |
| +4.5 | Round 4 | WZBS | 23 | 6♠ | ♥9 | +1 | -13 |
| +4.2 | Round 5 | KL2 KBSM2 | 6 | 3NT | ♠7 | = | +0 |
| +4.2 | Round 8 | PANATHINAIKOS | 7 | 3♦ | ♠4 | +2 | +11 |
| +3.8 | Round 6 | KAMAZEE | 13 | 2NT | ♠J | -1 | +5 |
| +3.4 | Round 5 | KL2 KBSM2 | 9 | 3NT | ♥3 | +2 | -11 |
| +3.4 | Round 7 | NONE | 23 | 5♥ | ♠2 | -1 | -1 |
| +3.4 | Round 10 | PTC DOLINA NARWI | 28 | 4♥ | ♣A | -1 | +5 |
| +3.3 | Round 2 | RDFZ B | 8 | 4♠ | ♣Q | +1 | +1 |
| +3.0 | Round 8 | PANATHINAIKOS | 10 | 3NT | ♥7 | +1 | +0 |
| +2.6 | Round 6 | KAMAZEE | 17 | 3♣ | ♥K | +2 | +7 |
| +2.3 | Round 1 | NETHERLANDS U21 | 26 | 4♦ | ♥2 | = | +10 |
| +2.1 | Round 7 | NONE | 24 | 3♠ | ♣A | = | -1 |
| +1.9 | Round 5 | KL2 KBSM2 | 8 | 4♠ | ♣3 | -2 | +0 |
| +1.9 | Round 6 | KAMAZEE | 14 | 5♠ | ♠9 | +2 | +2 |
| +1.7 | Round 4 | WZBS | 30 | 4♠ | ♣Q | = | -1 |
| +1.0 | Round 6 | KAMAZEE | 11 | 4♦ | ♣8 | = | +7 |
| +0.9 | Round 8 | PANATHINAIKOS | 8 | 3♠ | ♦K | +1 | -6 |
| +0.6 | Round 1 | NETHERLANDS U21 | 21 | 4♠ | ♥J | = | +0 |
| +0.6 | Round 4 | WZBS | 27 | 2♠ | ♥2 | = | -1 |
| +0.5 | Round 2 | RDFZ B | 1 | 4♥ | ♦A | = | +0 |
| +0.5 | Round 6 | KAMAZEE | 20 | 4♠ | ♥Q | +1 | +13 |
| +0.3 | Round 1 | NETHERLANDS U21 | 22 | 3♦ | ♣Q | -1 | -2 |
| +0.2 | Round 1 | NETHERLANDS U21 | 30 | 3♥ | ♠8 | -2 | +1 |
| +0.2 | Round 2 | RDFZ B | 3 | 2♠ | ♣Q | +3 | +9 |
| +0.0 | Round 6 | KAMAZEE | 12 | 3NT | ♣3 | -1 | +4 |
| +0.0 | Round 7 | NONE | 25 | 2♠ | ♣5 | -1 | +1 |
| -0.1 | Round 8 | PANATHINAIKOS | 2 | 4♠ | ♥7 | = | +0 |
| -0.2 | Round 7 | NONE | 26 | 2♠ | ♥K | +1 | +0 |
| -0.3 | Round 2 | RDFZ B | 4 | 5♦ | ♥K | +1 | +13 |
| -0.3 | Round 10 | PTC DOLINA NARWI | 26 | 2♥ | ♣K | = | +1 |
| -0.4 | Round 2 | RDFZ B | 7 | 3♠ | ♣7 | -1 | +0 |
| -0.4 | Round 7 | NONE | 28 | 2♠ | ♣T | +2 | +1 |
| -0.9 | Round 8 | PANATHINAIKOS | 1 | 2♣ | ♠K | -2 | -1 |
| -1.2 | Round 4 | WZBS | 29 | 4♥ | ♣A | = | +1 |
| -1.4 | Round 2 | RDFZ B | 2 | 3♦ | ♠4 | +1 | -6 |
| -1.4 | Round 5 | KL2 KBSM2 | 2 | 3♣ | ♠6 | +2 | +6 |
| -1.6 | Round 2 | RDFZ B | 10 | 3NT | ♠7 | +1 | -1 |
| -2.1 | Round 9 | PIAST GOL AZS UW | 17 | 4♣x | ♣7 | -2 | +4 |
| -2.3 | Round 7 | NONE | 21 | 3♠ | ♦K | -3 | -1 |
| -2.8 | Round 4 | WZBS | 24 | 3NT | ♥5 | -1 | -10 |
| -2.9 | Round 2 | RDFZ B | 9 | 1♠ | ♥T | = | +1 |
| -3.0 | Round 4 | WZBS | 26 | 6♠ | ♣A | = | +0 |
| -3.0 | Round 5 | KL2 KBSM2 | 3 | 1NT | ♣3 | -2 | +0 |
| -3.0 | Round 8 | PANATHINAIKOS | 3 | 4♥ | ♣K | -1 | -5 |
| -3.1 | Round 9 | PIAST GOL AZS UW | 14 | 6♣ | ♣4 | +1 | +11 |
| -3.3 | Round 5 | KL2 KBSM2 | 5 | 5♣x | ♠A | -3 | -4 |
| -3.3 | Round 8 | PANATHINAIKOS | 4 | 3NT | ♠3 | +2 | +12 |
| -3.4 | Round 1 | NETHERLANDS U21 | 29 | 2♠ | ♣7 | -1 | -6 |
| -3.4 | Round 4 | WZBS | 25 | 2NT | ♠K | = | +0 |
| -3.6 | Round 8 | PANATHINAIKOS | 9 | 3♥ | ♦J | = | -1 |
| -3.8 | Round 9 | PIAST GOL AZS UW | 20 | 3NT | ♠5 | = | -10 |
| -3.9 | Round 1 | NETHERLANDS U21 | 27 | 1♥ | ♠A | = | -5 |
| -4.0 | Round 1 | NETHERLANDS U21 | 24 | 4♥ | ♠T | +1 | -1 |
| -4.1 | Round 10 | PTC DOLINA NARWI | 22 | 5♦ | ♥A | = | +0 |
| -4.6 | Round 7 | NONE | 27 | 4♥ | ♦5 | = | +0 |
| -5.1 | Round 10 | PTC DOLINA NARWI | 21 | 3NT | ♥K | = | +0 |
| -5.2 | Round 9 | PIAST GOL AZS UW | 18 | 4♠ | ♦2 | -1 | -12 |
| -5.5 | Round 4 | WZBS | 22 | 4♥ | ♠2 | = | -6 |
| -5.5 | Round 4 | WZBS | 28 | 3♥ | ♦Q | = | -7 |
| -5.6 | Round 6 | KAMAZEE | 19 | 3NT | ♥3 | +1 | -1 |
| -5.6 | Round 7 | NONE | 29 | 2♦x | ♦4 | -1 | -7 |
| -5.7 | Round 1 | NETHERLANDS U21 | 28 | 4♠ | ♥5 | = | -3 |
| -6.0 | Round 10 | PTC DOLINA NARWI | 30 | 5♦x | ♠A | -3 | -2 |
| -6.1 | Round 2 | RDFZ B | 5 | 4♠ | ♥K | -2 | -8 |
| -6.9 | Round 4 | WZBS | 21 | 5♣ | ♥A | -1 | -10 |
| -7.5 | Round 6 | KAMAZEE | 16 | 4♠x | ♥3 | = | -4 |
| -8.4 | Round 6 | KAMAZEE | 18 | 4♣x | ♠J | -2 | -8 |
| -8.6 | Round 10 | PTC DOLINA NARWI | 29 | 6♠ | ♣A | -2 | -13 |
| -9.2 | Round 9 | PIAST GOL AZS UW | 13 | 2♣x | ♠J | -2 | +3 |
| -9.2 | Round 9 | PIAST GOL AZS UW | 16 | 6NT | ♥4 | = | +0 |
| -11.3 | Round 5 | KL2 KBSM2 | 10 | 3NT | ♠3 | +1 | -10 |
| -11.3 | Round 9 | PIAST GOL AZS UW | 15 | 3♠x | ♦Q | -2 | -12 |
| -11.6 | Round 2 | RDFZ B | 6 | 4♥ | ♦K | = | -13 |