GE Yizheng · RDFZ
vs par split: bidding -0.17 · play +0.31
Strength of schedule: opponents averaged +0.05/bd (an average draw) → opponent-adjusted +1.24/bd
Card play — on target: opening leads 78.6% #80 of 144 · declarer play 84.2% #23 of 144 · defence 74.2% #103 of 144
Bidding activity — not a pass: 47.7% #21 of 144 (82/172)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 75.0% (12) |
| Declarer play | 60.0% (5) | 92.9% (14) |
| Defence | 40.0% (5) | 80.8% (26) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (4) · ♦ 75.0% (4) · ♣ 75.0% (4)
vs par by strain: NT -0.25 (16) · a suit +0.27 (48)
vs par by level: part-score -0.50 (28) · game +0.07 (30) · slam +3.50 (6)
By role: declaring +2.33/bd (-1.54 vs par · 33) · defending -0.03/bd (+1.94 vs par · 31)
By vulnerability: vulnerable +0.36/bd (+0.37 vs par · 30) · not vulnerable +1.92/bd (-0.06 vs par · 34)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | Y.Liu | A.Zaidenberg Gatt – S.Zaidenberg Gatt | Open | 8 | -0.3 | -0.04 | -1.88 |
| Round 3 | Y.Liu | A.Stachura – A.Chmielewska | Closed | 8 | +24.6 | +3.08 | +2.50 |
| Round 4 | Y.Liu | K.Chen – C.Chen | Closed | 8 | +12.9 | +1.61 | -2.25 |
| Round 5 | Y.Liu | Y.Xu – E.Liu | Open | 8 | +7.9 | +0.99 | -0.25 |
| Round 6 | Y.Liu | D.Magrys – M.Klimiuk | Closed | 8 | +11.3 | +1.41 | -2.12 |
| Round 8 | Y.Liu | Z.Lai – C.Lu | Open | 8 | +13.2 | +1.65 | +3.38 |
| Round 9 | Y.Liu | I.Kotewicz – A.Wojtowicz | Open | 8 | -15.1 | -1.89 | +2.62 |
| Round 10 | Y.Liu | A.Danek – I.Wojciechowski | Open | 8 | +21.5 | +2.69 | -0.88 |
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 |
|---|---|---|---|---|---|---|---|
| +11.9 | Round 3 | KRAKOW I BRODNICA | 16 | 6♠ | ♠2 | -2 | +13 |
| +10.2 | Round 4 | JACK | 23 | 6♠ | ♥9 | +1 | -13 |
| +8.9 | Round 6 | POLAND | 16 | 4♠x | ♥4 | = | +4 |
| +8.3 | Round 8 | CT U16 | 6 | 4♠x | ♥K | -2 | +3 |
| +8.0 | Round 2 | USRAEL | 8 | 6♦ | ♥A | -1 | +10 |
| +7.6 | Round 3 | KRAKOW I BRODNICA | 17 | 4♥ | ♠A | +1 | +4 |
| +7.3 | Round 6 | POLAND | 11 | 3NT | ♣J | +2 | +1 |
| +6.9 | Round 5 | CHINA SMZY SPLINTER | 6 | 3NT | ♥7 | = | +0 |
| +6.6 | Round 4 | JACK | 22 | 4♥ | ♣5 | -2 | +7 |
| +6.2 | Round 4 | JACK | 21 | 4♠x | ♣K | -2 | +2 |
| +5.9 | Round 5 | CHINA SMZY SPLINTER | 2 | 2♠ | ♥7 | +1 | +11 |
| +5.4 | Round 3 | KRAKOW I BRODNICA | 12 | 4♥ | ♠A | -1 | +11 |
| +5.4 | Round 10 | POLAK MALI | 22 | 5♦ | ♠7 | = | +0 |
| +5.1 | Round 9 | VERCO | 11 | 4♥ | ♠2 | = | -1 |
| +4.9 | Round 9 | VERCO | 17 | 4♠ | ♣J | -1 | +11 |
| +4.9 | Round 10 | POLAK MALI | 24 | 3NTx | ♥A | -1 | +6 |
| +4.9 | Round 10 | POLAK MALI | 28 | 2♥ | ♦3 | +2 | +2 |
| +4.8 | Round 10 | POLAK MALI | 21 | 3NT | ♥K | +1 | +1 |
| +4.1 | Round 10 | POLAK MALI | 25 | 2♣ | ♥Q | +3 | -7 |
| +4.1 | Round 10 | POLAK MALI | 27 | 4♥ | ♦A | +1 | +0 |
| +3.1 | Round 8 | CT U16 | 2 | 3NT | ♥8 | +1 | +0 |
| +2.8 | Round 5 | CHINA SMZY SPLINTER | 1 | 3♦x | ♠5 | -2 | -4 |
| +2.7 | Round 6 | POLAND | 13 | 2NT | ♠J | = | +0 |
| +2.5 | Round 2 | USRAEL | 1 | 4♠ | ♣7 | = | +0 |
| +2.5 | Round 8 | CT U16 | 7 | 2♥ | ♣Q | +2 | +10 |
| +2.4 | Round 8 | CT U16 | 3 | 1NT | ♣K | = | -2 |
| +2.1 | Round 3 | KRAKOW I BRODNICA | 14 | 4♥ | ♦A | +2 | -8 |
| +2.0 | Round 4 | JACK | 27 | 2♠ | ♥4 | = | -1 |
| +1.7 | Round 5 | CHINA SMZY SPLINTER | 5 | 5♠ | ♥Q | = | +0 |
| +1.7 | Round 5 | CHINA SMZY SPLINTER | 8 | 4♠ | ♦A | -2 | +0 |
| +1.6 | Round 2 | USRAEL | 3 | 2♠ | ♣Q | +3 | -9 |
| +1.6 | Round 3 | KRAKOW I BRODNICA | 11 | 2NT | ♠3 | -1 | -1 |
| +1.6 | Round 3 | KRAKOW I BRODNICA | 15 | 4♠ | ♥K | +1 | +0 |
| +1.5 | Round 2 | USRAEL | 7 | 3♥ | ♠2 | -1 | +0 |
| +1.0 | Round 8 | CT U16 | 1 | 1♥ | ♦3 | +2 | +0 |
| +0.7 | Round 4 | JACK | 24 | 2♥ | ♣2 | -2 | -7 |
| +0.7 | Round 9 | VERCO | 13 | 2♠ | ♥4 | = | +11 |
| +0.3 | Round 2 | USRAEL | 5 | 3♥ | ♦4 | -1 | +3 |
| +0.2 | Round 8 | CT U16 | 8 | 3♦ | ♥3 | = | -7 |
| +0.1 | Round 6 | POLAND | 12 | 3NT | ♦2 | -1 | -4 |
| -0.1 | Round 6 | POLAND | 18 | 3♠ | ♣K | = | +0 |
| -0.1 | Round 9 | VERCO | 15 | 3♦ | ♥Q | -2 | +0 |
| -0.5 | Round 6 | POLAND | 14 | 4♥ | ♦J | = | +0 |
| -0.9 | Round 10 | POLAK MALI | 23 | 4♥ | ♣T | -1 | -1 |
| -1.1 | Round 4 | JACK | 25 | 3♠ | ♦T | -1 | +1 |
| -1.1 | Round 5 | CHINA SMZY SPLINTER | 3 | 1NT | ♣3 | -1 | +2 |
| -1.1 | Round 6 | POLAND | 15 | 1NT | ♥7 | = | -7 |
| -1.1 | Round 8 | CT U16 | 5 | 2♥ | ♣3 | +4 | +11 |
| -1.3 | Round 3 | KRAKOW I BRODNICA | 18 | 4♠ | ♦K | +1 | +11 |
| -1.9 | Round 9 | VERCO | 12 | 1NT | ♥6 | -1 | +1 |
| -2.1 | Round 5 | CHINA SMZY SPLINTER | 7 | 2♥ | ♣A | +1 | +0 |
| -3.2 | Round 8 | CT U16 | 4 | 3NT | ♠7 | +3 | +12 |
| -4.0 | Round 9 | VERCO | 18 | 4♠ | ♦2 | -1 | -12 |
| -4.1 | Round 4 | JACK | 28 | 3♠ | ♣J | = | -7 |
| -4.3 | Round 2 | USRAEL | 2 | 3♠ | ♦A | = | -1 |
| -4.3 | Round 3 | KRAKOW I BRODNICA | 13 | 4♠ | ♣3 | = | -10 |
| -4.6 | Round 2 | USRAEL | 6 | 1NT | ♣6 | -2 | -2 |
| -5.3 | Round 2 | USRAEL | 4 | 4♥ | ♣T | -1 | -16 |
| -5.8 | Round 10 | POLAK MALI | 26 | 4♥ | ♣2 | -2 | -8 |
| -6.0 | Round 6 | POLAND | 17 | 2♥ | ♦A | = | -11 |
| -7.6 | Round 4 | JACK | 26 | 6♠ | ♠2 | = | +0 |
| -7.9 | Round 5 | CHINA SMZY SPLINTER | 4 | 3NT | ♥4 | +1 | -11 |
| -8.2 | Round 9 | VERCO | 14 | 6♣ | ♣6 | +1 | +11 |
| -11.6 | Round 9 | VERCO | 16 | 6NT | ♦J | = | +0 |