CHEN Yong · SHANGHAILVCHENG
45rank
+29.3Butler · 88 bds
+0.33per board
±4.1swing
+0.43vs par /bd · #13/30
+0.47adjusted /bd
by round
vs par split: bidding +0.78 · play -0.35
Strength of schedule: opponents averaged +0.14/bd (a tough draw) → opponent-adjusted +0.47/bd
Card play — on target: opening leads 72.0% #26 of 30 · declarer play 88.2% #5 of 30 · defence 81.1% #26 of 30
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (9) | 75.0% (16) |
| Declarer play | 85.7% (7) | 90.0% (10) |
| Defence | 76.5% (17) | 83.3% (36) |
Opening leads by suit led: ♠ 33.3% (3) · ♥ 100.0% (9) · ♦ 50.0% (6) · ♣ 71.4% (7)
vs par by strain: NT +0.00 (32) · a suit +0.68 (56)
vs par by level: part-score -0.14 (35) · game -0.19 (47) · slam +8.67 (6)
By role: declaring +0.87/bd (-0.51 vs par · 35) · defending -0.03/bd (+1.06 vs par · 53)
By vulnerability: vulnerable +1.03/bd (+1.00 vs par · 44) · not vulnerable -0.36/bd (-0.14 vs par · 44)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | Y.Luo | B.Moss – J.Lall | Open | 14 | -7.4 | -0.53 | +0.29 |
| Round of 16 | Y.Luo | T.Jiang – B.Du | Open | 14 | -10.8 | -0.77 | -2.14 |
| Quarterfinal | Y.Luo | J.Hurd – K.Bathurst | Open | 14 | +16.6 | +1.19 | +0.50 |
| Semifinal | Y.Luo | D.Sacul – C.Sumampouw | Open | 14 | +3.1 | +0.22 | +2.50 |
| Final | Y.Luo | G.Xin – H.Jiang | Open | 16 | +14.8 | +0.93 | +1.69 |
| Final | Y.Luo | R.Li – S.Shen | Open | 16 | +13.0 | +0.81 | -0.31 |
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 |
|---|---|---|---|---|---|---|---|
| +13.0 | Final | SAN CHEN FUND | 19 | 3NT | ♦5 | +3 | +5 |
| +12.0 | Final | SAN CHEN FUND | 35 | 5♥x | ♥A | -3 | +0 |
| +11.6 | Quarterfinal | MILLENS | 20 | 5♦ | ♠K | = | +0 |
| +10.0 | Semifinal | INDONESIA Mixed | 25 | 6♥ | ♦5 | -1 | +13 |
| +9.4 | Quarterfinal | MILLENS | 15 | 1NT | ♥8 | = | +11 |
| +8.7 | Semifinal | INDONESIA Mixed | 20 | 6♥ | ♠2 | -2 | +13 |
| +6.7 | Final | SAN CHEN FUND | 31 | 1NT | ♣J | +2 | +4 |
| +5.4 | Quarterfinal | MILLENS | 18 | 4♥ | ♣Q | = | +11 |
| +5.0 | Final | SAN CHEN FUND | 40 | 3♠ | ♦A | = | +0 |
| +4.1 | Round of 16 | JINSHUO | 24 | 3NT | ♣5 | = | +0 |
| +4.0 | Semifinal | INDONESIA Mixed | 23 | 4♠ | ♦K | = | +0 |
| +4.0 | Final | SAN CHEN FUND | 33 | 4♥ | ♣2 | -2 | -8 |
| +3.7 | Final | SAN CHEN FUND | 23 | 2♥ | ♥4 | +2 | +2 |
| +3.1 | Round of 16 | JINSHUO | 18 | 3NT | ♦9 | +2 | +2 |
| +3.1 | Quarterfinal | MILLENS | 19 | 2♠ | ♥7 | -2 | -1 |
| +2.8 | Round of 32 | SIVY A | 25 | 4♥ | ♦9 | -1 | +5 |
| +2.7 | Round of 32 | SIVY A | 17 | 4♠ | ♦7 | = | -1 |
| +2.7 | Final | SAN CHEN FUND | 22 | 3♦ | ♣5 | +2 | +0 |
| +2.3 | Final | SAN CHEN FUND | 20 | 2♥ | ♦6 | +2 | +1 |
| +2.1 | Round of 32 | SIVY A | 24 | 4♥x | ♦A | -1 | +0 |
| +2.1 | Round of 16 | JINSHUO | 21 | 3NT | ♠Q | -1 | +4 |
| +2.0 | Semifinal | INDONESIA Mixed | 26 | 3NT | ♥A | -2 | +8 |
| +2.0 | Final | SAN CHEN FUND | 48 | 6♣ | ♦A | = | +2 |
| +1.9 | Round of 16 | JINSHUO | 19 | 5♣ | ♠3 | = | +0 |
| +1.9 | Quarterfinal | MILLENS | 27 | 3NT | ♥A | +3 | +1 |
| +1.7 | Round of 16 | JINSHUO | 26 | 2NT | ♦3 | -2 | +2 |
| +1.7 | Quarterfinal | MILLENS | 16 | 5♠ | ♥K | = | +0 |
| +1.4 | Round of 32 | SIVY A | 19 | 3NT | ♣Q | = | -2 |
| +1.4 | Quarterfinal | MILLENS | 24 | 4♣ | ♠K | -1 | -2 |
| +1.3 | Quarterfinal | MILLENS | 26 | 2♠ | ♥A | = | +1 |
| +1.3 | Semifinal | INDONESIA Mixed | 22 | 3♦ | ♣K | +1 | +0 |
| +1.2 | Round of 32 | SIVY A | 28 | 2♠ | ♥2 | +1 | +1 |
| +1.0 | Final | SAN CHEN FUND | 32 | 3♦ | ♠5 | -1 | +0 |
| +1.0 | Final | SAN CHEN FUND | 38 | 4♠ | ♥K | +1 | +0 |
| +1.0 | Final | SAN CHEN FUND | 41 | 2♥ | ♦3 | +1 | -4 |
| +0.9 | Round of 16 | JINSHUO | 28 | 1NT | ♦Q | +1 | +1 |
| +0.7 | Round of 32 | SIVY A | 21 | 1NT | ♥4 | -1 | +0 |
| +0.7 | Final | SAN CHEN FUND | 26 | 2♠ | ♦7 | = | +12 |
| +0.7 | Final | SAN CHEN FUND | 28 | 3NT | ♣A | +2 | +1 |
| +0.5 | Round of 32 | SIVY A | 22 | 5♣ | ♠6 | = | +1 |
| +0.3 | Final | SAN CHEN FUND | 30 | 1NT | ♠5 | +1 | +0 |
| +0.1 | Round of 32 | SIVY A | 20 | 4♠ | ♥A | = | +0 |
| -0.0 | Quarterfinal | MILLENS | 25 | 3NT | ♣J | +1 | +10 |
| -0.0 | Final | SAN CHEN FUND | 18 | 5♥ | ♠5 | +1 | -5 |
| -0.0 | Final | SAN CHEN FUND | 34 | 3♠ | ♣2 | = | +0 |
| -0.0 | Final | SAN CHEN FUND | 36 | 3NT | ♣4 | +2 | +1 |
| -0.0 | Final | SAN CHEN FUND | 39 | 3NT | ♠7 | +1 | +0 |
| -0.0 | Final | SAN CHEN FUND | 42 | 3NT | ♥9 | = | +0 |
| -0.0 | Final | SAN CHEN FUND | 43 | 4♥ | ♣3 | +2 | +11 |
| -0.0 | Final | SAN CHEN FUND | 44 | 3♦ | ♣A | -1 | -1 |
| -0.0 | Final | SAN CHEN FUND | 45 | 3♠ | ♣9 | = | +0 |
| -0.3 | Semifinal | INDONESIA Mixed | 28 | 4♥ | ♦2 | +2 | -1 |
| -0.5 | Round of 16 | JINSHUO | 17 | 1NT | ♥3 | -3 | +0 |
| -0.6 | Round of 16 | JINSHUO | 27 | 4♣ | ♥5 | -1 | -4 |
| -0.7 | Semifinal | INDONESIA Mixed | 16 | 3NT | ♣10 | +1 | +0 |
| -0.7 | Final | SAN CHEN FUND | 29 | 2♥ | ♦4 | +1 | -1 |
| -1.0 | Final | SAN CHEN FUND | 24 | 4♠ | ♣8 | +2 | +11 |
| -1.3 | Round of 32 | SIVY A | 16 | 2♠ | ♦Q | +1 | +0 |
| -1.3 | Semifinal | INDONESIA Mixed | 18 | 3NT | ♠Q | +2 | -1 |
| -1.3 | Semifinal | INDONESIA Mixed | 27 | 3♦ | ♠K | = | +1 |
| -1.3 | Final | SAN CHEN FUND | 27 | 4♠ | ♥K | -1 | -4 |
| -1.4 | Round of 16 | JINSHUO | 20 | 1NT | ♣4 | -1 | +0 |
| -1.6 | Quarterfinal | MILLENS | 21 | 3NT | ♠Q | -1 | -10 |
| -1.7 | Quarterfinal | MILLENS | 23 | 1NT | ♥4 | +1 | +1 |
| -1.7 | Quarterfinal | MILLENS | 28 | 3NT | ♠3 | -2 | -6 |
| -1.7 | Semifinal | INDONESIA Mixed | 24 | 5♣ | ♥K | = | +0 |
| -1.8 | Round of 32 | SIVY A | 27 | 3NT | ♠6 | +2 | -1 |
| -1.8 | Round of 16 | JINSHUO | 22 | 2♥ | ♦Q | = | -5 |
| -2.0 | Final | SAN CHEN FUND | 37 | 4♠ | ♣6 | = | -1 |
| -2.6 | Round of 32 | SIVY A | 26 | 6NT | ♣J | = | +13 |
| -3.1 | Round of 32 | SIVY A | 23 | 6♠ | ♥K | = | +0 |
| -3.1 | Quarterfinal | MILLENS | 22 | 5♣ | ♥K | = | +0 |
| -3.3 | Semifinal | INDONESIA Mixed | 15 | 4♥ | ♣4 | = | +0 |
| -3.3 | Semifinal | INDONESIA Mixed | 17 | 6♥ | ♦5 | = | +11 |
| -3.3 | Final | SAN CHEN FUND | 25 | 2♥x | ♦3 | -1 | -1 |
| -4.0 | Final | SAN CHEN FUND | 21 | 5♣x | ♥K | -4 | +7 |
| -4.0 | Final | SAN CHEN FUND | 46 | 3♦ | ♣2 | = | -5 |
| -4.3 | Semifinal | INDONESIA Mixed | 19 | 4♠ | ♥4 | -3 | +0 |
| -4.4 | Round of 32 | SIVY A | 18 | 3NT | ♦2 | -2 | -6 |
| -4.6 | Round of 16 | JINSHUO | 15 | 3NT | ♦Q | -1 | -13 |
| -4.7 | Round of 16 | JINSHUO | 25 | 4♠ | ♥A | = | +0 |
| -5.3 | Round of 16 | JINSHUO | 16 | 3NT | ♣9 | = | -10 |
| -5.7 | Round of 32 | SIVY A | 15 | 1NT | ♥J | +3 | -6 |
| -5.7 | Round of 16 | JINSHUO | 23 | 3♠ | ♠Q | = | -7 |
| -6.0 | Final | SAN CHEN FUND | 17 | 3♠ | ♣J | -1 | -5 |
| -6.0 | Final | SAN CHEN FUND | 47 | 4♣ | ♣10 | +1 | +0 |
| -6.7 | Semifinal | INDONESIA Mixed | 21 | 5♣x | ♠K | = | -9 |
| -11.1 | Quarterfinal | MILLENS | 17 | 3NTxx | ♥Q | = | -9 |