CHEN Jun · TIANYU
134rank
+32.2Butler · 110 bds
+0.29per board
±4.3swing
-0.27vs par /bd · #298/441
+0.28adjusted /bd
by round
vs par split: bidding -0.18 · play -0.09
Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted +0.28/bd
Card play — on target: opening leads 66.7% #421 of 441 · declarer play 82.4% #62 of 441 · defence 93.8% #16 of 441
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 60.0% (5) | 68.4% (19) |
| Declarer play | 85.7% (7) | 81.5% (27) |
| Defence | 100.0% (12) | 91.7% (36) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 55.6% (9) · ♦ 80.0% (5) · ♣ 66.7% (6)
vs par by strain: NT -1.08 (24) · a suit -0.05 (86)
vs par by level: part-score -0.78 (36) · game -0.14 (63) · slam +0.64 (11)
By role: declaring +0.87/bd (-1.97 vs par · 62) · defending -0.45/bd (+1.92 vs par · 48)
By vulnerability: vulnerable +0.49/bd (-0.34 vs par · 55) · not vulnerable +0.09/bd (-0.20 vs par · 55)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | S.Huo | C.Coyne – D.Walsh | Open | 10 | -7.2 | -0.72 | +0.20 |
| Round 2 | S.Huo | R.Piirisild – T.Piibeleht | Open | 10 | +8.6 | +0.86 | -1.00 |
| Round 5 | S.Huo | V.Carcassonne-Labaere – A.Labaere | Open | 10 | +12.0 | +1.20 | +2.90 |
| Round 6 | S.Huo | G.Winkler – B.Szegedi | Open | 10 | +7.6 | +0.76 | +1.00 |
| Round 7 | S.Huo | T.Verbeek – D.Molenaar | Closed | 10 | +0.8 | +0.08 | -1.70 |
| Round 9 | S.Huo | V.Vroustis – N.Delimpaltadakis | Closed | 10 | -12.1 | -1.21 | -1.00 |
| Round 10 | S.Huo | P.Carbonnier – H.Tjarnemo | Open | 10 | -4.6 | -0.46 | +0.90 |
| Round 11 | S.Huo | T.Tarhan – B.Baskan | Open | 10 | -10.8 | -1.08 | -3.60 |
| Round 12 | S.Huo | I.Baniri – T.Loonstein | Open | 10 | +13.4 | +1.34 | -0.40 |
| Round 14 | S.Huo | C.Wanha – M.Knob | Closed | 10 | +14.8 | +1.48 | +0.20 |
| Round 15 | S.Huo | D.Renson – O.David | Open | 10 | +9.7 | +0.97 | -0.50 |
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 |
|---|---|---|---|---|---|---|---|
| +10.5 | Round 6 | DUMBOVICH | 29 | 4♠x | ♦A | = | +5 |
| +9.8 | Round 9 | DELIMPALTADAKIS | 29 | 5♦x | ♥10 | +1 | +10 |
| +9.3 | Round 15 | FODD | 21 | 4♠ | ♠3 | -1 | +12 |
| +9.2 | Round 15 | FODD | 29 | 6♣ | ♥A | = | +11 |
| +8.4 | Round 1 | COYNE | 9 | 6♦ | ♣10 | = | +0 |
| +8.4 | Round 2 | MALEV | 11 | 5♣ | ♠A | = | -1 |
| +8.4 | Round 6 | DUMBOVICH | 27 | 6♠ | ♦10 | -2 | +11 |
| +7.4 | Round 5 | BBC 1 | 20 | 4♥ | ♠4 | -2 | +13 |
| +7.2 | Round 11 | MKMP | 20 | 5♣ | ♥2 | = | +0 |
| +7.0 | Round 7 | TEAMNL | 10 | 6♥ | ♦10 | = | +0 |
| +6.9 | Round 5 | BBC 1 | 17 | 4♠x | ♣8 | -2 | +12 |
| +6.8 | Round 7 | TEAMNL | 5 | 6♠ | ♦Q | = | +0 |
| +6.5 | Round 14 | AUSTRIA | 12 | 3NT | ♦A | +2 | +4 |
| +5.7 | Round 9 | DELIMPALTADAKIS | 21 | 1NT | ♥4 | = | -1 |
| +5.5 | Round 12 | BC HAPOEL | 25 | 3NT | ♠8 | = | -1 |
| +4.7 | Round 10 | TRESET | 5 | 4♠ | ♣3 | = | +0 |
| +4.5 | Round 14 | AUSTRIA | 20 | 2NT | ♦2 | -1 | +6 |
| +4.1 | Round 2 | MALEV | 20 | 2♠ | ♥2 | = | +6 |
| +4.0 | Round 14 | AUSTRIA | 16 | 3NT | ♥J | = | -1 |
| +3.7 | Round 12 | BC HAPOEL | 27 | 4♣x | ♠2 | -3 | +3 |
| +3.5 | Round 1 | COYNE | 1 | 1NT | ♥4 | +1 | +6 |
| +3.1 | Round 2 | MALEV | 15 | 3NT | ♣J | +2 | -12 |
| +3.1 | Round 12 | BC HAPOEL | 29 | 4♠ | ♣K | = | +3 |
| +2.9 | Round 2 | MALEV | 12 | 3NTx | ♠2 | +2 | -6 |
| +2.9 | Round 12 | BC HAPOEL | 23 | 6♥ | ♣5 | +1 | +1 |
| +2.6 | Round 5 | BBC 1 | 16 | 4♠ | ♥K | +2 | +11 |
| +2.6 | Round 7 | TEAMNL | 8 | 4♥x | ♣3 | -1 | +5 |
| +2.6 | Round 11 | MKMP | 11 | 4♠ | ♥10 | = | +0 |
| +2.5 | Round 6 | DUMBOVICH | 21 | 3♣ | ♦6 | = | +0 |
| +2.4 | Round 5 | BBC 1 | 15 | 4♠x | ♦8 | -1 | +9 |
| +2.4 | Round 14 | AUSTRIA | 13 | 2♦ | ♥4 | +3 | +10 |
| +2.2 | Round 2 | MALEV | 14 | 3♠ | ♥Q | = | +0 |
| +2.2 | Round 2 | MALEV | 18 | 3♥ | ♦Q | +1 | +2 |
| +2.2 | Round 9 | DELIMPALTADAKIS | 25 | 3NT | ♥10 | = | +7 |
| +2.2 | Round 12 | BC HAPOEL | 24 | 3♠ | ♦J | = | +1 |
| +2.1 | Round 12 | BC HAPOEL | 22 | 3♥ | ♣A | +2 | +3 |
| +2.1 | Round 15 | FODD | 26 | 4♥ | ♦6 | +1 | +1 |
| +2.0 | Round 7 | TEAMNL | 7 | 4♥ | ♦4 | = | -13 |
| +1.7 | Round 10 | TRESET | 9 | 2♥ | ♦6 | -2 | -1 |
| +1.5 | Round 9 | DELIMPALTADAKIS | 30 | 4♠ | ♥Q | = | +0 |
| +1.4 | Round 5 | BBC 1 | 13 | 3NT | ♦10 | = | +1 |
| +1.3 | Round 7 | TEAMNL | 1 | 2♠ | ♠A | -2 | +1 |
| +1.3 | Round 10 | TRESET | 6 | 4♥ | ♣5 | = | +11 |
| +1.1 | Round 5 | BBC 1 | 11 | 3NT | ♥4 | +1 | +0 |
| +1.0 | Round 15 | FODD | 24 | 3♥ | ♦A | -1 | -2 |
| +1.0 | Round 15 | FODD | 28 | 4♠ | ♥6 | -3 | +5 |
| +0.9 | Round 15 | FODD | 25 | 4♥ | ♠6 | +2 | -13 |
| +0.7 | Round 15 | FODD | 27 | 4♠ | ♦2 | = | +0 |
| +0.6 | Round 10 | TRESET | 10 | 3♠ | ♣10 | = | +0 |
| +0.5 | Round 11 | MKMP | 18 | 1♦ | ♣6 | +2 | +9 |
| +0.5 | Round 14 | AUSTRIA | 14 | 4♥ | ♠J | +2 | -11 |
| +0.4 | Round 6 | DUMBOVICH | 24 | 3NT | ♠Q | +1 | +0 |
| +0.3 | Round 6 | DUMBOVICH | 30 | 3NT | ♥5 | +1 | +1 |
| +0.3 | Round 14 | AUSTRIA | 19 | 4♠ | ♥7 | = | +0 |
| +0.2 | Round 12 | BC HAPOEL | 26 | 4♥ | ♠4 | +1 | +0 |
| +0.1 | Round 14 | AUSTRIA | 15 | 2♦ | ♦4 | = | -1 |
| +0.0 | Round 10 | TRESET | 2 | 4♠ | ♠4 | = | +0 |
| -0.1 | Round 5 | BBC 1 | 19 | 4♠ | ♥6 | +1 | -1 |
| -0.4 | Round 5 | BBC 1 | 18 | 4♥ | ♣K | = | +0 |
| -0.4 | Round 14 | AUSTRIA | 18 | 4♠ | ♠6 | +1 | +0 |
| -0.5 | Round 2 | MALEV | 13 | 3NT | ♥9 | +1 | +0 |
| -0.5 | Round 11 | MKMP | 16 | 4♥ | ♥5 | +1 | +0 |
| -0.7 | Round 12 | BC HAPOEL | 21 | 3NT | ♠8 | +2 | +0 |
| -0.8 | Round 2 | MALEV | 17 | 2♥ | ♠2 | -2 | +1 |
| -0.8 | Round 6 | DUMBOVICH | 28 | 1♠ | ♣9 | +1 | -1 |
| -0.8 | Round 7 | TEAMNL | 6 | 2♠ | ♣A | +2 | +7 |
| -0.8 | Round 12 | BC HAPOEL | 28 | 4NT | ♥5 | = | -4 |
| -0.8 | Round 14 | AUSTRIA | 11 | 4♥ | ♣4 | +1 | +0 |
| -0.9 | Round 10 | TRESET | 8 | 4♠ | ♥10 | = | +1 |
| -0.9 | Round 11 | MKMP | 13 | 3♠ | ♣A | -2 | -10 |
| -1.1 | Round 1 | COYNE | 2 | 4♠ | ♥8 | -1 | +1 |
| -1.1 | Round 1 | COYNE | 10 | 2♠ | ♣10 | +1 | +0 |
| -1.1 | Round 6 | DUMBOVICH | 25 | 3♠ | ♣10 | = | +0 |
| -1.1 | Round 10 | TRESET | 1 | 4♠ | ♦A | = | +0 |
| -1.2 | Round 2 | MALEV | 16 | 6♠ | ♣A | = | +0 |
| -1.3 | Round 10 | TRESET | 4 | 2♥ | ♥5 | = | +0 |
| -1.4 | Round 10 | TRESET | 3 | 4♠ | ♠3 | +1 | -1 |
| -1.5 | Round 11 | MKMP | 15 | 3NT | ♣K | +3 | -2 |
| -1.6 | Round 1 | COYNE | 8 | 3NT | ♠8 | +2 | +0 |
| -1.9 | Round 15 | FODD | 30 | 2♦x | ♥3 | -2 | +3 |
| -2.1 | Round 5 | BBC 1 | 14 | 6♣x | ♥J | -1 | -5 |
| -2.3 | Round 14 | AUSTRIA | 17 | 2♠ | ♦5 | -1 | -5 |
| -2.4 | Round 1 | COYNE | 3 | 4♠ | ♥J | +2 | +9 |
| -2.4 | Round 6 | DUMBOVICH | 26 | 3♣ | ♣4 | = | +0 |
| -2.4 | Round 11 | MKMP | 17 | 3♥ | ♥7 | +1 | -6 |
| -2.7 | Round 7 | TEAMNL | 3 | 5♦ | ♠Q | -1 | -6 |
| -2.8 | Round 7 | TEAMNL | 9 | 4♠ | ♥10 | +1 | -1 |
| -2.9 | Round 1 | COYNE | 6 | 4♥ | ♠10 | -1 | -5 |
| -2.9 | Round 15 | FODD | 23 | 3♥ | ♦9 | -1 | -6 |
| -3.2 | Round 1 | COYNE | 7 | 2♦ | ♦2 | +3 | -11 |
| -3.2 | Round 11 | MKMP | 19 | 4♥ | ♠4 | -2 | -8 |
| -3.3 | Round 1 | COYNE | 5 | 3♥ | ♠J | = | +0 |
| -3.5 | Round 1 | COYNE | 4 | 6♦ | ♦8 | = | +2 |
| -3.7 | Round 9 | DELIMPALTADAKIS | 24 | 3♠ | ♦A | = | -6 |
| -3.9 | Round 9 | DELIMPALTADAKIS | 28 | 3NT | ♣2 | +1 | +11 |
| -4.5 | Round 11 | MKMP | 14 | 3♦ | ♠2 | -1 | -10 |
| -4.6 | Round 9 | DELIMPALTADAKIS | 26 | 6♣ | ♥6 | +1 | -13 |
| -4.8 | Round 6 | DUMBOVICH | 22 | 2♥ | ♥5 | -2 | -7 |
| -4.8 | Round 12 | BC HAPOEL | 30 | 2♠ | ♣A | +1 | -10 |
| -5.1 | Round 9 | DELIMPALTADAKIS | 23 | 5♣x | ♥Q | -2 | +0 |
| -5.4 | Round 6 | DUMBOVICH | 23 | 4♠ | ♥Q | = | +1 |
| -5.7 | Round 7 | TEAMNL | 2 | 4♥ | ♠Q | = | +0 |
| -6.6 | Round 9 | DELIMPALTADAKIS | 27 | 4♠ | ♦4 | +3 | -10 |
| -6.9 | Round 7 | TEAMNL | 4 | 3NT | ♥4 | = | -10 |
| -7.2 | Round 5 | BBC 1 | 12 | 4♠ | ♥2 | -2 | -11 |
| -7.4 | Round 9 | DELIMPALTADAKIS | 22 | 3NTx | ♦6 | -3 | -8 |
| -8.1 | Round 11 | MKMP | 12 | 2♥x | ♠7 | -2 | -9 |
| -8.2 | Round 10 | TRESET | 7 | 3NT | ♦6 | +2 | -1 |
| -9.7 | Round 15 | FODD | 22 | 3NT | ♠J | -1 | -16 |
| -11.8 | Round 2 | MALEV | 19 | 6NT | ♠6 | = | +0 |