🇨🇳 ZHANG Yalan · CHINA
13rank
+34.0Butler · 96 bds
+0.35per board
±5.5swing
+0.74vs par /bd
+0.11adjusted /bd
by round
vs par split: bidding +1.09 · play +0.11
Strength of schedule: opponents averaged -0.24/bd (an easy draw) → opponent-adjusted +0.11/bd
Card play — on target: opening leads 80.0% · declarer play 75.0% · defence 94.3%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 80.0% (10) |
| Declarer play | · | 75.0% (12) |
| Defence | · | 94.3% (35) |
Opening leads by suit led: ♥ 75.0% (4) · ♦ 100.0% (3) · ♣ 66.7% (3)
vs par by strain: a suit +1.20 (64)
vs par by level: part-score +3.10 (29) · game -0.11 (27) · slam -1.25 (8)
By role: declaring +0.82/bd (-2.10 vs par · 42) · defending -0.01/bd (+2.94 vs par · 54)
By vulnerability: vulnerable -0.13/bd (-0.46 vs par · 48) · not vulnerable +0.84/bd (+1.94 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | L.Gu | J.Pasman – A.Simons | Closed | 16 | +42.6 | +2.66 | +2.62 |
| Quarterfinal | L.Gu | J.Pasman – A.Simons | Closed | 16 | +9.5 | +0.59 | +2.38 |
| Quarterfinal | L.Gu | F.Hoogweg – W.Van Zwol | Closed | 16 | -27.4 | -1.71 | -1.62 |
| Quarterfinal | L.Gu | F.Hoogweg – W.Van Zwol | Closed | 16 | +28.9 | +1.81 | -1.75 |
| Quarterfinal | L.Gu | B.Vriend – C.Arnolds | Open | 16 | +0.4 | +0.03 | +2.06 |
| Quarterfinal | L.Gu | F.Hoogweg – W.Van Zwol | Closed | 16 | -20.0 | -1.25 | +0.75 |
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 |
|---|---|---|---|---|---|---|---|
| +15.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 50 | 6Nx | ♥Q | -3 | +16 |
| +13.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 12 | 5♠x | ♣9 | = | +13 |
| +12.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 73 | 2♣xx | ♠2 | +1 | +12 |
| +11.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 31 | 6♠ | ♥2 | = | +11 |
| +11.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 87 | 3♣ | ♦A | -1 | +11 |
| +9.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 61 | 6♠ | ♣2 | = | +0 |
| +9.2 | Quarterfinal | 🇳🇱 NETHERLANDS | 79 | 4♥x | ♠K | -3 | +12 |
| +7.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 3 | 3N | ♠3 | = | +0 |
| +7.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 16 | 3N | ♠4 | -1 | +10 |
| +6.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 39 | 3N | ♥10 | +3 | -12 |
| +6.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 82 | 2N | ♠6 | -1 | +5 |
| +5.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 5 | 2♥x | ♣2 | -3 | +9 |
| +5.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 9 | 2♠ | ♥6 | = | +6 |
| +5.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 17 | 3N | ♥3 | -1 | +5 |
| +5.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 92 | 2♠ | ♦A | = | +6 |
| +4.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 14 | 4♣ | ♠5 | = | +1 |
| +4.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 56 | 4♠x | ♣Q | -2 | +0 |
| +4.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 43 | 3♠ | ♣A | -2 | +13 |
| +4.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 91 | 3♠ | ♥5 | -2 | -7 |
| +3.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 21 | 5♦ | ♠A | +1 | +10 |
| +3.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 25 | 3N | ♦4 | +2 | +4 |
| +3.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 19 | 2N | ♣2 | = | +7 |
| +3.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 62 | 3N | ♠8 | -1 | +5 |
| +3.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 45 | 2N | ♥7 | = | +0 |
| +3.2 | Quarterfinal | 🇳🇱 NETHERLANDS | 66 | 4♥ | ♣A | -3 | +7 |
| +3.2 | Quarterfinal | 🇳🇱 NETHERLANDS | 72 | 6♣ | ♥5 | -2 | +11 |
| +3.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 67 | 2♠ | ♦3 | +1 | +6 |
| +2.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 49 | 3N | ♥5 | +1 | +14 |
| +2.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 77 | 2♥ | ♠K | +1 | +10 |
| +2.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 58 | 4♠ | ♣K | +2 | -13 |
| +1.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 46 | 1♣ | ♣A | -2 | +5 |
| +1.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 29 | 5♣ | ♥K | = | -1 |
| +1.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 27 | 6♠ | ♣K | +1 | +11 |
| +1.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 80 | 2♦ | ♥6 | +1 | -1 |
| +1.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 4 | 3♠ | ♣A | -1 | -6 |
| +1.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 78 | 3♥ | ♠2 | = | +6 |
| +1.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 52 | 3♥x | ♠A | -2 | -4 |
| +1.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 23 | 4♠ | ♥6 | -1 | -3 |
| +1.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 48 | 5♣x | ♥K | -1 | +6 |
| +1.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 64 | 4♠ | ♦2 | = | -1 |
| +1.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 53 | 3N | ♦10 | = | +1 |
| +1.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 94 | 3N | ♠9 | +2 | +0 |
| +0.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 28 | 4♥ | ♣K | +2 | +13 |
| +0.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 33 | 4♥ | ♣K | = | +0 |
| +0.9 | Quarterfinal | 🇳🇱 NETHERLANDS | 40 | 4♠ | ♥K | = | +0 |
| +0.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 2 | 3N | ♥K | -1 | -10 |
| +0.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 60 | 3N | ♠6 | +3 | -11 |
| +0.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 65 | 3♦ | ♣8 | +1 | +8 |
| +0.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 6 | 2♦ | ♣K | = | +0 |
| +0.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 10 | 3N | ♠6 | +2 | +13 |
| +0.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 26 | 3N | ♦9 | = | +1 |
| +0.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 69 | 1N | ♣2 | -1 | +0 |
| +0.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 55 | 3N | ♥7 | = | -10 |
| +0.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 51 | 1N | ♥3 | +1 | -1 |
| -0.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 7 | 6♥ | ♦2 | = | +1 |
| -0.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 8 | 4♠ | ♥3 | +1 | -4 |
| -0.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 11 | 1N | ♣3 | = | +2 |
| +0.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 70 | 3N | ♦3 | -1 | -5 |
| -0.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 81 | 3♥ | ♣K | -2 | +0 |
| -0.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 83 | 4♥ | ♦K | +1 | +0 |
| -0.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 86 | 6♥ | ♥7 | +1 | -13 |
| -0.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 88 | 2♠ | ♦A | -1 | +4 |
| -0.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 93 | 2♠ | ♥10 | +1 | +8 |
| -0.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 13 | 3♥ | ♠K | +1 | +10 |
| -0.8 | Quarterfinal | 🇳🇱 NETHERLANDS | 71 | 3♦ | ♥A | +1 | +0 |
| -1.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 37 | 2N | ♣2 | +1 | -6 |
| -1.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 84 | 1♣ | ♦K | +2 | +0 |
| -1.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 96 | 2♠ | ♣K | = | -1 |
| -1.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 35 | 3N | ♥4 | = | +2 |
| -1.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 15 | 4♠x | ♥A | -1 | +0 |
| -1.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 20 | 4♥ | ♦Q | = | +1 |
| -1.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 44 | 2N | ♥7 | = | +0 |
| -1.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 22 | 2♠ | ♦5 | +1 | +0 |
| -1.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 32 | 3♦ | ♣K | +1 | +0 |
| -2.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 63 | 4♠ | ♦5 | +1 | +0 |
| -2.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 57 | 3N | ♦5 | +3 | -13 |
| -2.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 1 | 5♥x | ♣8 | -2 | -3 |
| -3.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 41 | 4♥ | ♣3 | +1 | -6 |
| -4.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 59 | 5♦x | ♣K | -2 | -4 |
| -5.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 54 | 4♠ | ♦2 | -2 | -7 |
| -5.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 42 | 5♠ | ♦J | +1 | +12 |
| -6.1 | Quarterfinal | 🇳🇱 NETHERLANDS | 18 | 2♥ | ♠5 | = | -6 |
| -6.2 | Quarterfinal | 🇳🇱 NETHERLANDS | 74 | 3N | ♠4 | +2 | -2 |
| -6.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 30 | 1N | ♥2 | = | -8 |
| -6.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 24 | 3N | ♣2 | = | -7 |
| -7.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 90 | 3♠ | ♥J | +2 | +14 |
| -7.3 | Quarterfinal | 🇳🇱 NETHERLANDS | 38 | 3N | ♥Q | = | -7 |
| -7.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 75 | 4♠x | ♥A | -3 | -2 |
| -7.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 34 | 4♠ | ♥J | -2 | -11 |
| -7.7 | Quarterfinal | 🇳🇱 NETHERLANDS | 47 | 4♥x | ♣A | +1 | -8 |
| -9.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 76 | 3N | ♥6 | -1 | -12 |
| -11.6 | Quarterfinal | 🇳🇱 NETHERLANDS | 36 | 2♠x | ♣10 | -4 | -14 |
| -12.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 89 | 6♣ | ♥6 | -1 | -14 |
| -13.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 85 | 3N | ♥7 | +3 | +13 |
| -13.0 | Quarterfinal | 🇳🇱 NETHERLANDS | 95 | 5♦x | ♥2 | = | -14 |
| -13.4 | Quarterfinal | 🇳🇱 NETHERLANDS | 68 | 6♦ | ♠8 | -1 | -17 |