PENG Jianfeng · JIANGSU BRIDGE ASSOCIATION
154rank
+0.9Butler · 28 bds
+0.03per board
±3.5swing
-1.46vs par /bd · #297/311
-0.09adjusted /bd
by round
vs par split: bidding -1.04 · play -0.43
Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted -0.09/bd
Card play — on target: declarer play 64.3% #250 of 310 · defence 71.4% #300 of 311
| vs NT | vs a suit | |
|---|---|---|
| Declarer play | 75.0% (4) | 60.0% (10) |
| Defence | 75.0% (4) | 70.0% (10) |
vs par by strain: NT -4.38 (8) · a suit -0.30 (20)
vs par by level: part-score -2.13 (15) · game +1.36 (11) · slam -12.00 (2)
By role: declaring +0.36/bd (-4.50 vs par · 14) · defending -0.29/bd (+1.57 vs par · 14)
By vulnerability: vulnerable -0.31/bd (-2.00 vs par · 14) · not vulnerable +0.38/bd (-0.93 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | Q.Zhou | P.Parolaro – G.Patelli | Closed | 7 | +27.9 | +3.99 | +0.14 |
| Round 3 | Q.Zhou | N.Demirev – E.Ginossar | Closed | 7 | -1.8 | -0.26 | -0.71 |
| Round 5 | Q.Zhou | B.Satyanarayana – K.Nadar | Closed | 7 | -10.4 | -1.49 | -2.86 |
| Round 8 | Q.Zhou | J.Li – Z.Fu | Open | 7 | -14.8 | -2.11 | -2.43 |
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 |
|---|---|---|---|---|---|---|---|
| +7.7 | Round 2 | ITALIA | 13 | 6♠ | ♥6 | = | -13 |
| +6.5 | Round 2 | ITALIA | 9 | 4♠ | ♦Q | -2 | +8 |
| +5.1 | Round 2 | ITALIA | 10 | 4♥ | ♠K | = | +3 |
| +5.1 | Round 2 | ITALIA | 11 | 4♠x | ♠K | -2 | +5 |
| +3.2 | Round 2 | ITALIA | 14 | 3♠ | ♦J | = | +1 |
| +2.3 | Round 3 | WEINSTEIN | 19 | 4♠ | ♣K | = | +6 |
| +2.3 | Round 5 | FORMIDABLES | 5 | 3♠ | ♣3 | -1 | +10 |
| +1.3 | Round 3 | WEINSTEIN | 20 | 1NT | ♥Q | +2 | -1 |
| +1.0 | Round 5 | FORMIDABLES | 1 | 4♥ | ♣A | +1 | +0 |
| +1.0 | Round 5 | FORMIDABLES | 6 | 6NT | ♣10 | = | -11 |
| +0.9 | Round 8 | P D TIMES | 28 | 4♠ | ♣7 | = | +3 |
| +0.8 | Round 3 | WEINSTEIN | 17 | 1♠ | ♥J | +2 | -4 |
| +0.3 | Round 2 | ITALIA | 12 | 3NT | ♠K | -1 | -2 |
| -0.0 | Round 2 | ITALIA | 8 | 1NT | ♠4 | = | -1 |
| -0.0 | Round 3 | WEINSTEIN | 21 | 1NT | ♥4 | +3 | -9 |
| -0.3 | Round 3 | WEINSTEIN | 15 | 4♥ | ♠10 | +2 | +11 |
| -0.3 | Round 8 | P D TIMES | 27 | 1NTx | ♠Q | -2 | -3 |
| -1.4 | Round 5 | FORMIDABLES | 2 | 3♣ | ♦K | +1 | +0 |
| -2.0 | Round 8 | P D TIMES | 23 | 3♣ | ♠K | = | +0 |
| -2.1 | Round 5 | FORMIDABLES | 4 | 4♠ | ♥5 | -1 | -6 |
| -2.3 | Round 3 | WEINSTEIN | 16 | 1NT | ♠4 | = | -8 |
| -2.3 | Round 5 | FORMIDABLES | 3 | 3NT | ♦J | = | +0 |
| -2.3 | Round 8 | P D TIMES | 22 | 2♠ | ♥Q | = | +0 |
| -2.4 | Round 8 | P D TIMES | 24 | 2♠ | ♣9 | +1 | +0 |
| -3.6 | Round 3 | WEINSTEIN | 18 | 2♠ | ♦A | = | +0 |
| -3.7 | Round 8 | P D TIMES | 26 | 4♦ | ♥Q | = | -11 |
| -5.0 | Round 8 | P D TIMES | 25 | 2♣ | ♣8 | = | -6 |
| -8.9 | Round 5 | FORMIDABLES | 7 | 4♥ | ♠A | +2 | -13 |