CHOY Patrick K H · SINGAPORE
94rank
-65.7Butler · 98 bds
-0.67per board
±4.3swing
-0.21vs par /bd · #64/107
-0.58adjusted /bd
by round
vs par split: bidding +0.48 · play -0.69
Strength of schedule: opponents averaged +0.09/bd (a tough draw) → opponent-adjusted -0.58/bd
Card play — on target: opening leads 88.5% #15 of 107 · declarer play 60.0% #92 of 107 · defence 86.5% #47 of 107
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 87.5% (8) | 88.9% (18) |
| Declarer play | 62.5% (8) | 58.3% (12) |
| Defence | 81.0% (21) | 90.3% (31) |
Opening leads by suit led: ♠ 100.0% (6) · ♥ 100.0% (4) · ♦ 66.7% (9) · ♣ 100.0% (7)
vs par by strain: NT -0.03 (37) · a suit -0.33 (61)
vs par by level: part-score +0.04 (44) · game -0.85 (52) · slam +10.50 (2)
By role: declaring -0.55/bd (-1.85 vs par · 46) · defending -0.77/bd (+1.23 vs par · 52)
By vulnerability: vulnerable -0.97/bd (-1.04 vs par · 48) · not vulnerable -0.38/bd (+0.58 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 8 | R.Zajac | Z.Zhang – J.Tao | Closed | 7 | -0.7 | -0.10 | -0.71 |
| Round 9 | R.Zajac | Y.Wang – L.Weng | Closed | 7 | -11.2 | -1.60 | +2.43 |
| Round 10 | R.Zajac | V.Li – P.Chun | Open | 7 | -12.8 | -1.83 | +1.00 |
| Round 11 | R.Zajac | M.Yeung – A.Leigh | Open | 7 | -18.7 | -2.67 | -2.00 |
| Round 12 | R.Zajac | J.Li – Z.Li | Open | 7 | -3.8 | -0.54 | +3.71 |
| Round 13 | R.Zajac | T.Imakura – S.Morimura | Open | 7 | +10.1 | +1.44 | +1.29 |
| Round 14 | R.Zajac | V.Svangsopakul – V.Chinmanas | Open | 7 | +10.7 | +1.53 | +0.71 |
| Round 15 | R.Zajac | D.Flock – D.Smith | Closed | 7 | -3.0 | -0.43 | +0.43 |
| Round 16 | R.Zajac | J.Klukowski – J.Russyan | Closed | 7 | -6.4 | -0.91 | +0.29 |
| Round 17 | R.Zajac | A.Kowalski – J.Romanski | Closed | 7 | -12.9 | -1.84 | -3.43 |
| Round 18 | R.Zajac | J.Czyzowicz – D.Jacob | Closed | 7 | -7.8 | -1.11 | +0.29 |
| Round 19 | R.Zajac | J.Schermer – N.Chambers | Open | 7 | +0.2 | +0.03 | -1.14 |
| Round 20 | R.Zajac | M.Jacobus – M.Passell | Closed | 7 | -7.1 | -1.01 | -2.29 |
| Round 21 | R.Zajac | M.Tolliver – M.Zwerling | Open | 7 | -2.3 | -0.33 | -3.57 |
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 |
|---|---|---|---|---|---|---|---|
| +10.3 | Round 21 | LORTZ | 19 | 4♣x | ♥8 | -4 | +5 |
| +8.8 | Round 16 | MARKOWICZ | 9 | 4♠ | ♥J | = | +0 |
| +7.8 | Round 15 | CANADA | 5 | 5♦x | ♥K | -2 | +5 |
| +7.1 | Round 13 | IMAX | 11 | 6♣ | ♥A | -1 | +8 |
| +6.6 | Round 17 | MILNER | 20 | 3NT | ♠10 | -1 | +12 |
| +6.5 | Round 19 | STERNBERG | 6 | 4♠ | ♥K | = | +0 |
| +6.5 | Round 20 | LYNCH | 12 | 3NT | ♠3 | -1 | +12 |
| +4.8 | Round 9 | SICHUAN DAHE COMPANY | 10 | 2♠ | ♥7 | -1 | +9 |
| +4.7 | Round 13 | IMAX | 14 | 4♠ | ♦9 | -1 | +10 |
| +4.7 | Round 21 | LORTZ | 17 | 4♥ | ♠Q | = | +0 |
| +3.9 | Round 8 | XINYUAN SENIOR TEAM | 4 | 1NT | ♣K | +1 | +12 |
| +3.9 | Round 13 | IMAX | 13 | 4♥ | ♦4 | -1 | +6 |
| +3.9 | Round 14 | MAGIC EYES | 18 | 3NT | ♥3 | +1 | +0 |
| +3.8 | Round 9 | SICHUAN DAHE COMPANY | 11 | 1♣ | ♣10 | -2 | +5 |
| +3.8 | Round 12 | WUHAN | 7 | 3♥ | ♠9 | -1 | +6 |
| +3.8 | Round 14 | MAGIC EYES | 20 | 1NT | ♠7 | +2 | +6 |
| +3.8 | Round 19 | STERNBERG | 1 | 4♠ | ♦6 | -2 | +0 |
| +3.8 | Round 19 | STERNBERG | 2 | 4♠ | ♥6 | -1 | +5 |
| +3.5 | Round 12 | WUHAN | 6 | 4♥ | ♥3 | = | +11 |
| +3.3 | Round 11 | MASTER MINDS | 22 | 3♠ | ♦K | -2 | -1 |
| +3.1 | Round 15 | CANADA | 6 | 4♠ | ♦6 | -3 | +2 |
| +3.0 | Round 9 | SICHUAN DAHE COMPANY | 8 | 1NT | ♠2 | -1 | +5 |
| +2.9 | Round 8 | XINYUAN SENIOR TEAM | 1 | 3NT | ♦10 | = | -1 |
| +2.7 | Round 14 | MAGIC EYES | 19 | 1NT | ♠4 | +1 | +1 |
| +1.9 | Round 17 | MILNER | 16 | 4♠ | ♥K | = | -13 |
| +1.8 | Round 14 | MAGIC EYES | 17 | 3♠ | ♥6 | -2 | +0 |
| +1.7 | Round 10 | HK SENIOR FRIENDS | 19 | 3♥ | ♣10 | = | +1 |
| +1.5 | Round 14 | MAGIC EYES | 15 | 3♥ | ♠K | = | +1 |
| +1.5 | Round 18 | LEWIS | 27 | 3♣ | ♣6 | -1 | +3 |
| +1.3 | Round 20 | LYNCH | 8 | 3♦ | ♣Q | -1 | +4 |
| +1.3 | Round 21 | LORTZ | 15 | 1NT | ♦7 | -1 | +0 |
| +1.2 | Round 12 | WUHAN | 1 | 2♠ | ♥A | -2 | +7 |
| +1.2 | Round 18 | LEWIS | 28 | 3♠ | ♣4 | -1 | +6 |
| +1.2 | Round 19 | STERNBERG | 5 | 3♠ | ♣6 | = | +0 |
| +1.0 | Round 13 | IMAX | 8 | 3NT | ♠7 | +2 | +1 |
| +0.2 | Round 8 | XINYUAN SENIOR TEAM | 2 | 1♥ | ♠5 | +4 | +10 |
| +0.2 | Round 12 | WUHAN | 3 | 1NT | ♠7 | +1 | +11 |
| +0.0 | Round 8 | XINYUAN SENIOR TEAM | 3 | 2♠ | ♣K | -1 | -3 |
| -0.0 | Round 10 | HK SENIOR FRIENDS | 15 | 3♥ | ♠9 | -1 | +3 |
| +0.0 | Round 11 | MASTER MINDS | 28 | 3NT | ♥7 | +1 | +0 |
| -0.0 | Round 14 | MAGIC EYES | 16 | 2NT | ♠8 | -1 | -3 |
| -0.0 | Round 15 | CANADA | 4 | 4♥ | ♣A | +1 | +0 |
| -0.0 | Round 17 | MILNER | 19 | 3NT | ♠9 | +1 | +0 |
| -0.1 | Round 15 | CANADA | 1 | 3NT | ♦7 | +2 | +0 |
| -0.1 | Round 18 | LEWIS | 26 | 3NT | ♦Q | = | -2 |
| -0.3 | Round 13 | IMAX | 12 | 3NT | ♠3 | = | +1 |
| -0.3 | Round 20 | LYNCH | 11 | 3NT | ♠6 | -1 | -10 |
| -0.6 | Round 8 | XINYUAN SENIOR TEAM | 6 | 1NT | ♥4 | +1 | -10 |
| -0.6 | Round 16 | MARKOWICZ | 11 | 3♠ | ♥A | +1 | -6 |
| -0.6 | Round 17 | MILNER | 21 | 3♣ | ♠K | = | +0 |
| -0.7 | Round 18 | LEWIS | 22 | 3NT | ♥3 | +1 | +0 |
| -0.7 | Round 19 | STERNBERG | 7 | 1NT | ♠10 | -1 | +1 |
| -0.8 | Round 11 | MASTER MINDS | 25 | 3NT | ♣6 | = | +2 |
| -0.8 | Round 12 | WUHAN | 4 | 2♥ | ♣K | = | +0 |
| -1.0 | Round 10 | HK SENIOR FRIENDS | 18 | 4♥ | ♥8 | +1 | +0 |
| -1.0 | Round 15 | CANADA | 7 | 5♥ | ♠4 | = | +0 |
| -1.3 | Round 16 | MARKOWICZ | 13 | 4♥ | ♣Q | +1 | +13 |
| -1.5 | Round 10 | HK SENIOR FRIENDS | 16 | 5♦ | ♠K | = | -2 |
| -1.5 | Round 10 | HK SENIOR FRIENDS | 21 | 4♥ | ♠J | -1 | -5 |
| -1.6 | Round 10 | HK SENIOR FRIENDS | 17 | 3NT | ♥3 | +3 | +11 |
| -1.7 | Round 17 | MILNER | 17 | 3NT | ♥J | +1 | +0 |
| -1.7 | Round 18 | LEWIS | 23 | 3NT | ♦K | = | +1 |
| -1.7 | Round 20 | LYNCH | 14 | 3NT | ♦8 | +2 | +0 |
| -1.8 | Round 16 | MARKOWICZ | 14 | 3NT | ♣A | = | +0 |
| -1.9 | Round 21 | LORTZ | 21 | 2♥ | ♣9 | -1 | -4 |
| -2.2 | Round 11 | MASTER MINDS | 26 | 4♠ | ♣7 | = | -9 |
| -2.2 | Round 12 | WUHAN | 2 | 2NT | ♠J | +3 | -7 |
| -2.6 | Round 9 | SICHUAN DAHE COMPANY | 9 | 4♠ | ♦Q | -1 | -6 |
| -2.9 | Round 8 | XINYUAN SENIOR TEAM | 7 | 2♥ | ♦6 | +1 | -7 |
| -2.9 | Round 13 | IMAX | 9 | 2♠ | ♦A | = | -5 |
| -3.0 | Round 14 | MAGIC EYES | 21 | 2♠ | ♣10 | = | +0 |
| -3.2 | Round 21 | LORTZ | 20 | 1NT | ♣6 | +1 | +0 |
| -3.3 | Round 9 | SICHUAN DAHE COMPANY | 12 | 4♦ | ♣2 | -3 | -2 |
| -3.4 | Round 13 | IMAX | 10 | 3♠ | ♠7 | -1 | -12 |
| -3.4 | Round 16 | MARKOWICZ | 10 | 2♥ | ♠Q | = | +1 |
| -3.6 | Round 20 | LYNCH | 9 | 3♦ | ♥Q | -1 | -6 |
| -3.8 | Round 11 | MASTER MINDS | 24 | 4♠ | ♦A | +1 | -1 |
| -3.8 | Round 16 | MARKOWICZ | 12 | 3NT | ♠6 | +1 | -1 |
| -3.9 | Round 18 | LEWIS | 24 | 3♥ | ♦A | = | -6 |
| -3.9 | Round 20 | LYNCH | 10 | 2♠ | ♦K | -1 | -6 |
| -4.1 | Round 18 | LEWIS | 25 | 4♠ | ♣6 | = | +0 |
| -4.2 | Round 8 | XINYUAN SENIOR TEAM | 5 | 3♣x | ♥6 | -1 | -6 |
| -4.3 | Round 16 | MARKOWICZ | 8 | 3♦ | ♥Q | = | -5 |
| -5.2 | Round 21 | LORTZ | 16 | 5♣ | ♦Q | -1 | -12 |
| -5.4 | Round 20 | LYNCH | 13 | 5♣x | ♠A | +1 | -10 |
| -5.9 | Round 15 | CANADA | 3 | 3♥ | ♠5 | = | -4 |
| -6.1 | Round 11 | MASTER MINDS | 27 | 3NT | ♠5 | = | +1 |
| -6.8 | Round 19 | STERNBERG | 4 | 3NT | ♣8 | -2 | -8 |
| -6.9 | Round 15 | CANADA | 2 | 3NT | ♦K | +2 | +0 |
| -7.0 | Round 9 | SICHUAN DAHE COMPANY | 14 | 3NT | ♠4 | = | -7 |
| -7.6 | Round 19 | STERNBERG | 3 | 4♥ | ♣10 | -1 | -6 |
| -7.7 | Round 17 | MILNER | 15 | 3NT | ♦7 | = | -10 |
| -8.3 | Round 21 | LORTZ | 18 | 5♣ | ♠9 | +1 | -14 |
| -8.9 | Round 10 | HK SENIOR FRIENDS | 20 | 4♥ | ♣8 | = | -1 |
| -9.1 | Round 11 | MASTER MINDS | 23 | 3NT | ♦A | -1 | -6 |
| -9.5 | Round 12 | WUHAN | 5 | 2♦ | ♥8 | = | -2 |
| -9.9 | Round 9 | SICHUAN DAHE COMPANY | 13 | 6♠ | ♥5 | +1 | +13 |
| -11.4 | Round 17 | MILNER | 18 | 3NT | ♥5 | +2 | -13 |