YANG Sidney · MARK WU
210rank
+14.3Butler · 100 bds
+0.14per board
±4.9swing
-0.11vs par /bd · #319/535
+0.15adjusted /bd
by round
vs par split: bidding -0.35 · play +0.24
Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted +0.15/bd
Card play — on target: opening leads 66.7% #477 of 534 · declarer play 81.8% #64 of 534 · defence 86.7% #213 of 535
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 66.7% (21) |
| Declarer play | 83.3% (12) | 81.0% (21) |
| Defence | 91.7% (12) | 84.8% (33) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (1) · ♦ 66.7% (12) · ♣ 62.5% (8)
vs par by strain: NT -0.06 (33) · a suit -0.13 (67)
vs par by level: part-score -0.05 (37) · game -0.42 (57) · slam +2.50 (6)
By role: declaring -0.09/bd (-2.27 vs par · 55) · defending +0.42/bd (+2.53 vs par · 45)
By vulnerability: vulnerable +0.24/bd (-0.79 vs par · 47) · not vulnerable +0.06/bd (+0.49 vs par · 53)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Wu | A.Sinclair – P.Crouch | Open | 10 | +6.8 | +0.68 | +2.50 |
| Round 3 | M.Wu | Y.Chen – Y.Lin | Closed | 10 | +20.8 | +2.08 | +0.90 |
| Round 5 | M.Wu | R.Bryant – S.Green | Open | 10 | -16.4 | -1.64 | -1.20 |
| Round 6 | M.Wu | L.Neveu – S.Thobie | Open | 10 | +41.7 | +4.17 | +3.30 |
| Round 8 | M.Wu | D.Fonteneau – O.Desages | Open | 10 | -34.0 | -3.40 | -2.90 |
| Round 9 | M.Wu | T.Ponomareva – T.Dikhnova | Open | 10 | -14.2 | -1.42 | -1.00 |
| Round 11 | M.Wu | J.Lall – K.Bathurst | Open | 10 | -0.8 | -0.08 | -2.30 |
| Round 12 | M.Wu | T.Garvey – J.Carroll | Open | 10 | +10.9 | +1.09 | +1.30 |
| Round 14 | M.Wu | M.Gundogdu – L.Imamoglu | Open | 10 | +6.9 | +0.69 | +0.20 |
| Round 15 | M.Wu | A.Hydes – D.Mossop | Open | 10 | -7.4 | -0.74 | -1.90 |
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 |
|---|---|---|---|---|---|---|---|
| +14.6 | Round 6 | FRANCORUSSE | 22 | 7NT | ♦2 | = | +13 |
| +12.3 | Round 6 | FRANCORUSSE | 23 | 6♦ | ♦2 | -3 | +14 |
| +10.3 | Round 12 | MORAN | 27 | 3NTx | ♠8 | = | +9 |
| +9.3 | Round 3 | FRAPEI | 25 | 3NT | ♦6 | -5 | +12 |
| +9.3 | Round 3 | FRAPEI | 28 | 7♦x | ♣10 | -1 | +11 |
| +9.1 | Round 6 | FRANCORUSSE | 21 | 5♥ | ♠Q | -1 | +14 |
| +9.0 | Round 1 | PERCY | 2 | 6♠ | ♦A | = | +5 |
| +8.8 | Round 3 | FRAPEI | 23 | 3♥x | ♠A | -4 | -7 |
| +8.7 | Round 15 | MOSSOP | 25 | 5♥ | ♣2 | -1 | +11 |
| +8.6 | Round 6 | FRANCORUSSE | 24 | 4♠ | ♦2 | -1 | +10 |
| +5.8 | Round 1 | PERCY | 10 | 5♠ | ♣K | = | +10 |
| +5.2 | Round 9 | MOET | 27 | 3♠ | ♣A | -1 | +5 |
| +5.2 | Round 12 | MORAN | 21 | 4♥ | ♠K | = | +0 |
| +5.1 | Round 15 | MOSSOP | 29 | 3NT | ♣2 | +1 | +0 |
| +4.1 | Round 1 | PERCY | 4 | 5♦x | ♥10 | +1 | +10 |
| +3.8 | Round 6 | FRANCORUSSE | 28 | 1NT | ♦2 | = | +5 |
| +3.8 | Round 11 | LALL | 14 | 6♠ | ♥8 | = | -11 |
| +3.7 | Round 14 | NONAME | 11 | 4♠x | ♦2 | -1 | +5 |
| +3.2 | Round 11 | LALL | 19 | 3NT | ♥2 | +1 | +0 |
| +2.9 | Round 8 | PGRENTHE | 16 | 2♠ | ♣K | +4 | -9 |
| +2.8 | Round 5 | OBJECTIVITY | 16 | 5♠ | ♣A | -2 | +6 |
| +2.8 | Round 11 | LALL | 12 | 4♥ | ♣J | +2 | +1 |
| +2.7 | Round 8 | PGRENTHE | 12 | 3♦ | ♣Q | = | +0 |
| +2.5 | Round 14 | NONAME | 14 | 3♦ | ♦2 | -2 | +5 |
| +2.4 | Round 6 | FRANCORUSSE | 25 | 4♠ | ♦2 | -1 | -6 |
| +2.2 | Round 11 | LALL | 17 | 4♠x | ♣K | -1 | -1 |
| +2.1 | Round 14 | NONAME | 16 | 1NT | ♦2 | +1 | +1 |
| +2.0 | Round 11 | LALL | 13 | 3NT | ♠Q | +1 | +1 |
| +1.8 | Round 6 | FRANCORUSSE | 29 | 2♥ | ♦2 | +1 | +0 |
| +1.7 | Round 1 | PERCY | 1 | 3♠ | ♦J | -1 | +4 |
| +1.7 | Round 14 | NONAME | 15 | 1NT | ♦2 | +2 | +1 |
| +1.6 | Round 3 | FRAPEI | 26 | 3NT | ♣5 | +3 | +2 |
| +1.4 | Round 9 | MOET | 21 | 2♦ | ♠7 | +1 | +11 |
| +1.2 | Round 1 | PERCY | 5 | 3NT | ♦J | +1 | +1 |
| +1.2 | Round 12 | MORAN | 26 | 3NT | ♥5 | +2 | +1 |
| +1.2 | Round 14 | NONAME | 12 | 2♠ | ♦2 | +1 | +0 |
| +1.0 | Round 5 | OBJECTIVITY | 13 | 3♠ | ♥K | = | +0 |
| +1.0 | Round 11 | LALL | 18 | 1NT | ♦6 | +1 | +0 |
| +0.9 | Round 3 | FRAPEI | 24 | 4♠ | ♥5 | +1 | +0 |
| +0.9 | Round 3 | FRAPEI | 30 | 5♠ | ♣7 | = | +0 |
| +0.9 | Round 9 | MOET | 26 | 3NT | ♥J | -1 | +6 |
| +0.7 | Round 9 | MOET | 30 | 2♥ | ♣4 | = | +0 |
| +0.7 | Round 15 | MOSSOP | 24 | 1NT | ♣2 | -2 | +1 |
| +0.5 | Round 9 | MOET | 23 | 2♦ | ♥K | +1 | +0 |
| +0.5 | Round 12 | MORAN | 28 | 2♠ | ♠9 | +2 | +1 |
| +0.5 | Round 12 | MORAN | 29 | 4♥ | ♠K | +1 | +0 |
| +0.4 | Round 9 | MOET | 28 | 4♥ | ♠A | = | +0 |
| +0.3 | Round 8 | PGRENTHE | 13 | 1NT | ♠K | +1 | +0 |
| +0.2 | Round 14 | NONAME | 13 | 2♥ | ♦2 | +2 | +1 |
| +0.2 | Round 14 | NONAME | 17 | 3♣ | ♦2 | +2 | +7 |
| +0.2 | Round 14 | NONAME | 19 | 4♥ | ♦2 | +2 | -13 |
| +0.1 | Round 9 | MOET | 22 | 4♥ | ♣Q | +1 | +0 |
| +0.1 | Round 15 | MOSSOP | 23 | 1NT | ♣2 | = | -1 |
| +0.0 | Round 15 | MOSSOP | 30 | 2♥ | ♣2 | +1 | +0 |
| -0.2 | Round 3 | FRAPEI | 29 | 2♥ | ♦2 | -5 | -4 |
| -0.4 | Round 6 | FRANCORUSSE | 27 | 4♠ | ♦2 | +1 | +0 |
| -0.4 | Round 12 | MORAN | 24 | 1NT | ♦5 | +1 | +7 |
| -0.7 | Round 1 | PERCY | 3 | 3NT | ♦7 | +1 | +0 |
| -0.7 | Round 5 | OBJECTIVITY | 12 | 3♠ | ♣J | = | +0 |
| -0.7 | Round 12 | MORAN | 22 | 4♠ | ♣A | = | +1 |
| -0.7 | Round 15 | MOSSOP | 21 | 4♠ | ♣2 | +2 | -1 |
| -0.8 | Round 11 | LALL | 11 | 2♦ | ♦3 | -1 | -2 |
| -0.9 | Round 5 | OBJECTIVITY | 17 | 3♦ | ♥J | +1 | +5 |
| -0.9 | Round 12 | MORAN | 23 | 3NT | ♥3 | +2 | +0 |
| -1.0 | Round 8 | PGRENTHE | 20 | 3NT | ♥3 | +3 | +13 |
| -1.1 | Round 5 | OBJECTIVITY | 14 | 3NT | ♠7 | -1 | -4 |
| -1.1 | Round 14 | NONAME | 18 | 4♠ | ♦2 | -2 | -5 |
| -1.2 | Round 5 | OBJECTIVITY | 11 | 4♥ | ♠A | +1 | -1 |
| -1.3 | Round 12 | MORAN | 25 | 3♥ | ♦J | = | +0 |
| -1.4 | Round 11 | LALL | 20 | 5♠ | ♦A | -2 | -2 |
| -1.5 | Round 3 | FRAPEI | 27 | 3NT | ♥7 | = | +0 |
| -1.6 | Round 9 | MOET | 25 | 3NT | ♠4 | = | -13 |
| -1.7 | Round 1 | PERCY | 8 | 3NT | ♥6 | = | +0 |
| -1.7 | Round 15 | MOSSOP | 27 | 4♥ | ♣2 | +1 | +0 |
| -2.0 | Round 6 | FRANCORUSSE | 30 | 3♣ | ♦2 | -2 | +0 |
| -2.8 | Round 5 | OBJECTIVITY | 18 | 2♠ | ♣6 | = | +0 |
| -2.8 | Round 8 | PGRENTHE | 18 | 4♥ | ♣A | +1 | +0 |
| -2.9 | Round 1 | PERCY | 6 | 3NT | ♦Q | +1 | +1 |
| -2.9 | Round 3 | FRAPEI | 22 | 4♠ | ♥10 | -1 | -5 |
| -3.5 | Round 12 | MORAN | 30 | 2♠ | ♠2 | +2 | -6 |
| -3.7 | Round 5 | OBJECTIVITY | 15 | 5♣x | ♥A | -2 | +0 |
| -3.8 | Round 14 | NONAME | 20 | 3NT | ♦2 | +1 | +0 |
| -4.0 | Round 5 | OBJECTIVITY | 19 | 3♠ | ♥6 | -1 | -5 |
| -4.2 | Round 1 | PERCY | 9 | 3♠ | ♦5 | = | +2 |
| -4.9 | Round 11 | LALL | 16 | 5♣x | ♠8 | -1 | +0 |
| -5.1 | Round 8 | PGRENTHE | 14 | 3♠ | ♣5 | = | -6 |
| -5.2 | Round 8 | PGRENTHE | 19 | 5♣ | ♠4 | -2 | -8 |
| -5.4 | Round 3 | FRAPEI | 21 | 3NT | ♦9 | = | +0 |
| -5.5 | Round 1 | PERCY | 7 | 4♦ | ♠5 | -2 | -8 |
| -5.8 | Round 5 | OBJECTIVITY | 20 | 3NT | ♠3 | -2 | -13 |
| -6.0 | Round 15 | MOSSOP | 22 | 4♥ | ♦2 | = | -7 |
| -6.3 | Round 8 | PGRENTHE | 11 | 5♦x | ♦5 | -3 | -2 |
| -6.3 | Round 15 | MOSSOP | 28 | 2♣ | ♦K | -1 | -10 |
| -6.5 | Round 8 | PGRENTHE | 17 | 5♣ | ♦A | = | +0 |
| -7.3 | Round 15 | MOSSOP | 26 | 3NT | ♠5 | -1 | -12 |
| -8.5 | Round 6 | FRANCORUSSE | 26 | 3NT | ♦2 | -2 | -17 |
| -8.7 | Round 11 | LALL | 15 | 3NTx | ♠10 | -2 | -9 |
| -9.5 | Round 9 | MOET | 24 | 3NT | ♦2 | = | -7 |
| -12.3 | Round 9 | MOET | 29 | 4♠x | ♥9 | -3 | -12 |
| -13.0 | Round 8 | PGRENTHE | 15 | 6♥ | ♦7 | -1 | -17 |