CHEN Liu-Mou · MARK WU
497rank
-54.7Butler · 100 bds
-0.55per board
±4.6swing
-0.16vs par /bd · #334/535
-0.55adjusted /bd
by round
vs par split: bidding -0.05 · play -0.11
Strength of schedule: opponents averaged +0.00/bd (an average draw) → opponent-adjusted -0.55/bd
Card play — on target: opening leads 76.2% #291 of 534 · declarer play 73.1% #252 of 534 · defence 90.0% #78 of 535
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 70.0% (10) | 81.8% (11) |
| Declarer play | 70.0% (10) | 75.0% (16) |
| Defence | 83.3% (18) | 93.8% (32) |
Opening leads by suit led: ♠ 87.5% (8) · ♥ 60.0% (5) · ♦ 50.0% (4) · ♣ 100.0% (4)
vs par by strain: NT -0.41 (32) · a suit -0.04 (68)
vs par by level: part-score -0.95 (38) · game -0.06 (55) · slam +3.29 (7)
By role: declaring -0.92/bd (-2.12 vs par · 50) · defending -0.18/bd (+1.80 vs par · 50)
By vulnerability: vulnerable -0.66/bd (-0.57 vs par · 53) · not vulnerable -0.42/bd (+0.30 vs par · 47)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | E.Yeh | A.Robson – D.Gold | Closed | 10 | -0.3 | -0.03 | -1.50 |
| Round 2 | E.Yeh | J.Grenthe – G.Grenthe | Closed | 10 | -18.6 | -1.86 | +1.20 |
| Round 4 | E.Yeh | P.Marmion – F.Lobry | Closed | 10 | -17.3 | -1.73 | -1.30 |
| Round 5 | E.Yeh | R.Helle – E.Hoogenkamp | Closed | 10 | -7.5 | -0.75 | -0.80 |
| Round 7 | E.Yeh | T.Asbi – R.Tobing | Closed | 10 | +9.5 | +0.95 | +0.90 |
| Round 8 | E.Yeh | P.Naels – P.Louchart | Closed | 10 | -2.7 | -0.27 | +0.00 |
| Round 10 | E.Yeh | A.Audiche – M.Heshmat | Closed | 10 | -9.9 | -0.99 | -3.40 |
| Round 11 | E.Yeh | R.Milner – H.Lall | Closed | 10 | +1.9 | +0.19 | +2.50 |
| Round 13 | E.Yeh | A.Birman – P.Lakatos | Open | 10 | +2.0 | +0.20 | +1.60 |
| Round 14 | E.Yeh | M.Sen – S.Unal | Closed | 10 | -11.8 | -1.18 | -0.80 |
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 |
|---|---|---|---|---|---|---|---|
| +10.8 | Round 13 | DUMBOVICH | 2 | 3NT | ♠Q | -1 | +15 |
| +9.1 | Round 1 | PERCY | 9 | 4♠ | ♦5 | = | +6 |
| +8.5 | Round 1 | PERCY | 2 | 6♠ | ♥10 | -1 | +13 |
| +8.3 | Round 11 | LALL | 16 | 5♥ | ♣5 | -1 | +5 |
| +7.6 | Round 7 | INDONESIA OPEN | 10 | 2NT | ♥5 | -3 | +10 |
| +6.8 | Round 5 | OBJECTIVITY | 17 | 4♠ | ♥K | = | +3 |
| +6.7 | Round 7 | INDONESIA OPEN | 4 | 3NT | ♦8 | = | +0 |
| +6.3 | Round 13 | DUMBOVICH | 1 | 2♥x | ♠3 | = | +11 |
| +5.8 | Round 14 | NONAME | 16 | 4♥ | ♣3 | -2 | +7 |
| +5.3 | Round 13 | DUMBOVICH | 9 | 4♦ | ♥A | = | +1 |
| +5.2 | Round 8 | PGRENTHE | 13 | 3♣ | ♠A | -1 | +6 |
| +5.2 | Round 8 | PGRENTHE | 19 | 5♣ | ♠4 | -2 | +8 |
| +4.8 | Round 14 | NONAME | 15 | 2NT | ♠10 | -2 | +5 |
| +4.6 | Round 10 | WACH | 9 | 3NT | ♠7 | -2 | +6 |
| +4.5 | Round 2 | GRENTHE | 16 | 3NT | ♦A | +1 | +11 |
| +4.2 | Round 7 | INDONESIA OPEN | 1 | 4♥ | ♠Q | = | +8 |
| +3.8 | Round 7 | INDONESIA OPEN | 9 | 7♣ | ♣4 | = | -2 |
| +3.8 | Round 11 | LALL | 18 | 3NT | ♦4 | -1 | +5 |
| +3.6 | Round 10 | WACH | 10 | 4♥ | ♦Q | -1 | +6 |
| +3.5 | Round 11 | LALL | 17 | 5♣ | ♠J | -3 | +7 |
| +3.4 | Round 10 | WACH | 7 | 3♥ | ♦2 | -1 | +0 |
| +2.8 | Round 8 | PGRENTHE | 18 | 4♥ | ♣A | +1 | +0 |
| +2.4 | Round 14 | NONAME | 18 | 4♠ | ♣K | -3 | +6 |
| +2.2 | Round 4 | RENSON | 6 | 4♠x | ♥6 | -2 | +0 |
| +2.1 | Round 10 | WACH | 3 | 2♠ | ♥3 | -3 | -10 |
| +2.0 | Round 4 | RENSON | 1 | 3♦ | ♠7 | -2 | +0 |
| +2.0 | Round 8 | PGRENTHE | 12 | 4♠ | ♣9 | -2 | +5 |
| +1.9 | Round 1 | PERCY | 6 | 3NT | ♦9 | = | -2 |
| +1.6 | Round 1 | PERCY | 3 | 3NT | ♦9 | +2 | +1 |
| +1.4 | Round 1 | PERCY | 1 | 1♣ | ♦3 | = | -1 |
| +1.4 | Round 13 | DUMBOVICH | 6 | 3♦ | ♠Q | -2 | +5 |
| +1.2 | Round 4 | RENSON | 9 | 3NT | ♥5 | +2 | +0 |
| +1.1 | Round 5 | OBJECTIVITY | 14 | 3NT | ♥4 | -1 | +4 |
| +1.0 | Round 8 | PGRENTHE | 20 | 3NT | ♥2 | +3 | -13 |
| +0.9 | Round 2 | GRENTHE | 15 | 4♥ | ♠3 | +2 | +9 |
| +0.9 | Round 4 | RENSON | 2 | 2♥ | ♣K | -1 | +2 |
| +0.8 | Round 11 | LALL | 11 | 2♥ | ♠A | -1 | +2 |
| +0.7 | Round 5 | OBJECTIVITY | 12 | 3♠ | ♥3 | = | +0 |
| +0.5 | Round 5 | OBJECTIVITY | 15 | 3♥ | ♣K | +1 | -4 |
| +0.5 | Round 7 | INDONESIA OPEN | 6 | 2♦ | ♥4 | +1 | -1 |
| +0.5 | Round 8 | PGRENTHE | 14 | 3♠ | ♥A | -1 | +2 |
| +0.3 | Round 10 | WACH | 8 | 4♦ | ♥7 | +1 | -7 |
| +0.2 | Round 13 | DUMBOVICH | 3 | 6♥ | ♣3 | +1 | +11 |
| +0.0 | Round 7 | INDONESIA OPEN | 7 | 3♥ | ♠A | +1 | +10 |
| -0.1 | Round 11 | LALL | 20 | 4♦ | ♠A | = | +0 |
| -0.2 | Round 14 | NONAME | 17 | 4♣ | ♠2 | +1 | -7 |
| -0.2 | Round 14 | NONAME | 19 | 4♥ | ♦3 | +2 | +13 |
| -0.3 | Round 5 | OBJECTIVITY | 13 | 3♠ | ♥K | +1 | +1 |
| -0.3 | Round 7 | INDONESIA OPEN | 3 | 3NT | ♦Q | -1 | -5 |
| -0.4 | Round 2 | GRENTHE | 18 | 5♣x | ♠A | -3 | +12 |
| -0.5 | Round 4 | RENSON | 10 | 1NT | ♦K | +1 | +0 |
| -0.6 | Round 4 | RENSON | 7 | 4♥ | ♠6 | +2 | +13 |
| -0.6 | Round 8 | PGRENTHE | 16 | 3NT | ♥9 | -3 | +10 |
| -0.9 | Round 5 | OBJECTIVITY | 16 | 4♠ | ♣K | -1 | -5 |
| -1.2 | Round 1 | PERCY | 5 | 3NT | ♦J | +1 | -1 |
| -1.2 | Round 2 | GRENTHE | 12 | 3NT | ♠4 | +2 | +0 |
| -1.2 | Round 5 | OBJECTIVITY | 19 | 4♥ | ♠K | -2 | +0 |
| -1.3 | Round 1 | PERCY | 7 | 3♠ | ♠4 | -1 | +1 |
| -1.3 | Round 7 | INDONESIA OPEN | 2 | 1NT | ♠10 | +1 | +0 |
| -1.3 | Round 13 | DUMBOVICH | 4 | 5♠ | ♦A | = | +0 |
| -1.6 | Round 4 | RENSON | 8 | 4♥ | ♠J | = | +1 |
| -1.7 | Round 13 | DUMBOVICH | 8 | 3NT | ♦10 | -1 | -2 |
| -1.8 | Round 2 | GRENTHE | 11 | 5♦x | ♥A | -1 | -5 |
| -1.8 | Round 5 | OBJECTIVITY | 20 | 3♠x | ♦K | -1 | +9 |
| -1.9 | Round 11 | LALL | 12 | 4♥ | ♥10 | +1 | +0 |
| -2.0 | Round 2 | GRENTHE | 13 | 6♦ | ♣10 | = | +0 |
| -2.0 | Round 11 | LALL | 13 | 3NT | ♠Q | +1 | -1 |
| -2.1 | Round 5 | OBJECTIVITY | 18 | 2NT | ♥2 | -1 | -5 |
| -2.2 | Round 14 | NONAME | 14 | 1NT | ♦7 | = | -5 |
| -2.5 | Round 2 | GRENTHE | 14 | 3NT | ♦J | -3 | -2 |
| -2.5 | Round 10 | WACH | 2 | 3NTx | ♥7 | -2 | -5 |
| -2.6 | Round 11 | LALL | 15 | 1NT | ♠9 | -2 | -3 |
| -2.7 | Round 10 | WACH | 4 | 4♠ | ♥A | -1 | -6 |
| -2.9 | Round 10 | WACH | 5 | 3NT | ♥3 | -2 | -6 |
| -3.0 | Round 14 | NONAME | 12 | 3♦ | ♠J | -2 | -2 |
| -3.1 | Round 2 | GRENTHE | 20 | 3♥ | ♠9 | = | +0 |
| -3.2 | Round 13 | DUMBOVICH | 5 | 3NT | ♥3 | = | -3 |
| -3.5 | Round 2 | GRENTHE | 17 | 1NT | ♥8 | = | -5 |
| -3.5 | Round 8 | PGRENTHE | 17 | 5♣ | ♥K | -1 | -10 |
| -3.6 | Round 14 | NONAME | 20 | 3♦ | ♠3 | -3 | -8 |
| -3.8 | Round 7 | INDONESIA OPEN | 5 | 3♦ | ♥5 | -3 | -2 |
| -3.8 | Round 11 | LALL | 14 | 6♠ | ♥8 | = | +11 |
| -4.1 | Round 11 | LALL | 19 | 3NT | ♥2 | +2 | -1 |
| -4.3 | Round 4 | RENSON | 5 | 3♣ | ♠Q | = | -6 |
| -4.7 | Round 10 | WACH | 1 | 3NT | ♦3 | +1 | +0 |
| -4.9 | Round 8 | PGRENTHE | 11 | 4♥ | ♦K | -1 | -10 |
| -5.6 | Round 13 | DUMBOVICH | 7 | 4♥ | ♠10 | -1 | -12 |
| -5.8 | Round 1 | PERCY | 10 | 5♠ | ♣A | = | -10 |
| -6.4 | Round 1 | PERCY | 4 | 5♦x | ♠A | +2 | -12 |
| -7.1 | Round 4 | RENSON | 4 | 5♥ | ♦A | -1 | -13 |
| -7.8 | Round 14 | NONAME | 11 | 4♠x | ♠6 | -2 | -9 |
| -7.8 | Round 14 | NONAME | 13 | 3♣x | ♦5 | -2 | -8 |
| -7.9 | Round 7 | INDONESIA OPEN | 8 | 4♣x | ♠2 | = | -9 |
| -8.1 | Round 1 | PERCY | 8 | 2♥ | ♣5 | -1 | -10 |
| -9.5 | Round 2 | GRENTHE | 19 | 3♥x | ♥3 | -3 | -8 |
| -9.5 | Round 4 | RENSON | 3 | 4♠x | ♥3 | = | -10 |
| -10.2 | Round 13 | DUMBOVICH | 10 | 3NT | ♥Q | = | -10 |
| -10.3 | Round 5 | OBJECTIVITY | 11 | 3NT | ♦Q | -2 | -11 |
| -10.4 | Round 8 | PGRENTHE | 15 | 7♦ | ♥9 | = | +2 |
| -11.1 | Round 10 | WACH | 6 | 6♣x | ♠9 | -1 | -12 |