CHEN Tzu-Wei · CT 360
4rank
+136.2Butler · 80 bds
+1.70per board
±5.0swing
+0.34vs par /bd · #59/144
+1.76adjusted /bd
by round
vs par split: bidding -0.01 · play +0.41
Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted +1.76/bd
Card play — on target: opening leads 89.5% #23 of 144 · declarer play 60.0% #109 of 144 · defence 81.2% #62 of 144
Bidding activity — not a pass: 51.2% #10 of 144 (111/217)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 88.2% (17) |
| Declarer play | 66.7% (6) | 55.6% (9) |
| Defence | 85.7% (7) | 80.0% (25) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 50.0% (2) · ♦ 100.0% (8) · ♣ 80.0% (5)
vs par by strain: NT -0.46 (24) · a suit +0.76 (55)
vs par by level: part-score +0.62 (34) · game +1.40 (40) · slam -9.20 (5)
By role: declaring +2.08/bd (-2.11 vs par · 47) · defending +1.21/bd (+4.06 vs par · 32)
By vulnerability: vulnerable +2.12/bd (+1.42 vs par · 36) · not vulnerable +1.36/bd (-0.55 vs par · 44)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Wu | J.Xu – Y.Ding | Closed | 8 | +15.2 | +1.90 | +2.50 |
| Round 2 | C.Wu | P.Slovakova – E.Konstacka | Closed | 8 | -16.7 | -2.09 | +0.75 |
| Round 3 | C.Wu | Z.Lai – C.Lu | Open | 8 | -0.5 | -0.06 | +0.00 |
| Round 4 | C.Wu | L.Krajewski – I.Wojciechowski | Open | 8 | +26.1 | +3.26 | -0.62 |
| Round 5 | C.Wu | J.Yao – E.Su | Open | 8 | +35.6 | +4.45 | +3.75 |
| Round 6 | C.Wu | K.Chen – C.Chen | Open | 8 | +4.7 | +0.59 | -3.12 |
| Round 7 | C.Wu | O.Deng – J.Zhou | Closed | 8 | +7.9 | +0.99 | +0.25 |
| Round 8 | C.Wu | A.Mazur – K.Jurkiewicz | Closed | 8 | -13.7 | -1.71 | -2.50 |
| Round 9 | C.Wu | A.Chmielewska – A.Stachura | Closed | 8 | +56.2 | +7.03 | +3.25 |
| Round 10 | C.Wu | S.Lillejord – M.Moe | Closed | 8 | +21.4 | +2.67 | -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 |
|---|---|---|---|---|---|---|---|
| +13.8 | Round 9 | KRAKOW I BRODNICA | 17 | 3♦x | ♥A | -5 | +12 |
| +12.7 | Round 5 | USRAEL | 4 | 3♣x | ♦4 | = | +13 |
| +12.0 | Round 9 | KRAKOW I BRODNICA | 16 | 6NT | ♣7 | +1 | +1 |
| +10.4 | Round 3 | CT U16 | 13 | 4♠x | ♥A | -1 | +8 |
| +9.9 | Round 4 | POLAK MALI | 23 | 6NT | ♦7 | = | -13 |
| +9.4 | Round 9 | KRAKOW I BRODNICA | 13 | 3NT | ♥8 | = | -1 |
| +9.1 | Round 7 | CHINA SMZY SPLINTER | 23 | 4♥ | ♥3 | +1 | +13 |
| +8.7 | Round 1 | BRIDGE SCHOOL TEAM2 | 22 | 3NT | ♣7 | = | +11 |
| +8.6 | Round 9 | KRAKOW I BRODNICA | 14 | 6♠ | ♣3 | = | -11 |
| +8.5 | Round 9 | KRAKOW I BRODNICA | 12 | 2NT | ♠A | -4 | +7 |
| +7.4 | Round 2 | CZE HUN | 2 | 5♦x | ♥K | -2 | +5 |
| +7.1 | Round 8 | VERCO CKIS SKAWINA | 2 | 2♠ | ♦A | +1 | +10 |
| +6.9 | Round 1 | BRIDGE SCHOOL TEAM2 | 23 | 3NT | ♠3 | = | +12 |
| +6.9 | Round 5 | USRAEL | 6 | 3NT | ♥5 | = | +0 |
| +6.6 | Round 4 | POLAK MALI | 22 | 5♦ | ♥3 | -2 | +7 |
| +6.1 | Round 6 | JACK | 11 | 5♦ | ♣8 | = | -1 |
| +6.0 | Round 1 | BRIDGE SCHOOL TEAM2 | 28 | 5♣ | ♥A | = | +3 |
| +6.0 | Round 6 | JACK | 16 | 3NT | ♣6 | +1 | +0 |
| +5.8 | Round 8 | VERCO CKIS SKAWINA | 8 | 3NT | ♥3 | -3 | +11 |
| +5.7 | Round 4 | POLAK MALI | 26 | 4♠ | ♦5 | +2 | +13 |
| +5.7 | Round 5 | USRAEL | 1 | 3NT | ♦5 | +1 | -1 |
| +5.7 | Round 10 | THE VIKINGS | 21 | 3NT | ♣K | +2 | +2 |
| +5.4 | Round 10 | THE VIKINGS | 22 | 5♦ | ♠9 | = | +0 |
| +5.0 | Round 5 | USRAEL | 2 | 3♦ | ♠4 | -2 | +11 |
| +4.1 | Round 4 | POLAK MALI | 21 | 5♣ | ♠5 | = | -1 |
| +4.1 | Round 10 | THE VIKINGS | 25 | 4♣ | ♦8 | +1 | -7 |
| +4.1 | Round 10 | THE VIKINGS | 27 | 4♠ | ♦A | +1 | +0 |
| +4.0 | Round 9 | KRAKOW I BRODNICA | 18 | 4♠ | ♣9 | -1 | +12 |
| +3.4 | Round 10 | THE VIKINGS | 24 | 3NT | ♥7 | -1 | +5 |
| +3.1 | Round 5 | USRAEL | 8 | 2NT | ♣5 | -3 | +2 |
| +3.0 | Round 4 | POLAK MALI | 27 | 2♠ | ♥6 | +1 | +0 |
| +2.7 | Round 6 | JACK | 13 | 2NT | ♠J | = | +0 |
| +2.6 | Round 5 | USRAEL | 3 | 3♦ | ♠K | -1 | +5 |
| +2.4 | Round 1 | BRIDGE SCHOOL TEAM2 | 25 | 2♥ | ♦3 | = | +11 |
| +2.0 | Round 4 | POLAK MALI | 28 | 3♥ | ♦Q | -1 | -1 |
| +1.7 | Round 5 | USRAEL | 5 | 4♠ | ♥5 | +1 | +0 |
| +1.7 | Round 7 | CHINA SMZY SPLINTER | 26 | 2♠ | ♥K | +2 | +1 |
| +1.5 | Round 7 | CHINA SMZY SPLINTER | 21 | 3♦ | ♦8 | = | +0 |
| +1.5 | Round 8 | VERCO CKIS SKAWINA | 4 | 3NT | ♠8 | +1 | -12 |
| +1.2 | Round 3 | CT U16 | 14 | 4♠ | ♦A | +1 | -8 |
| +1.2 | Round 10 | THE VIKINGS | 26 | 2♥ | ♣9 | = | -1 |
| +0.9 | Round 7 | CHINA SMZY SPLINTER | 28 | 3NT | ♠Q | -1 | +1 |
| +0.6 | Round 3 | CT U16 | 15 | 4♠ | ♠3 | = | -1 |
| +0.5 | Round 6 | JACK | 15 | 2NT | ♦6 | +1 | -6 |
| +0.5 | Round 7 | CHINA SMZY SPLINTER | 27 | 1NT | ♠9 | -5 | -5 |
| +0.2 | Round 7 | CHINA SMZY SPLINTER | 25 | 1NT | ♠3 | +1 | +0 |
| +0.1 | Round 9 | KRAKOW I BRODNICA | 15 | 3♦ | ♥Q | -2 | +0 |
| -0.1 | Round 6 | JACK | 18 | 3♠ | ♣K | = | +0 |
| -0.2 | Round 9 | KRAKOW I BRODNICA | 11 | 2♠ | ♥4 | +3 | +6 |
| -0.3 | Round 7 | CHINA SMZY SPLINTER | 22 | 4♥ | ♣K | -1 | -4 |
| -0.5 | Round 2 | CZE HUN | 6 | Pass | -4 | ||
| -0.6 | Round 1 | BRIDGE SCHOOL TEAM2 | 26 | 2♦ | ♣6 | +3 | -10 |
| -0.6 | Round 2 | CZE HUN | 3 | 2♠ | ♣Q | +2 | +10 |
| -0.9 | Round 10 | THE VIKINGS | 23 | 3♦ | ♥9 | = | -1 |
| -1.0 | Round 8 | VERCO CKIS SKAWINA | 1 | 2♥ | ♦3 | +1 | +0 |
| -1.1 | Round 3 | CT U16 | 11 | 2♠ | ♦Q | -1 | -4 |
| -1.3 | Round 3 | CT U16 | 18 | 4♠ | ♦K | +1 | +11 |
| -1.5 | Round 2 | CZE HUN | 7 | 2♠ | ♣K | -1 | +0 |
| -1.5 | Round 6 | JACK | 14 | 4♠ | ♦A | +1 | -1 |
| -1.6 | Round 10 | THE VIKINGS | 28 | 3♥ | ♣K | -1 | -5 |
| -2.0 | Round 4 | POLAK MALI | 25 | 2NT | ♠K | = | +0 |
| -2.1 | Round 3 | CT U16 | 16 | 4♠ | ♦A | = | +0 |
| -2.1 | Round 5 | USRAEL | 7 | 3♥ | ♣A | = | +0 |
| -2.4 | Round 1 | BRIDGE SCHOOL TEAM2 | 24 | 2♥ | ♠T | +3 | -6 |
| -2.8 | Round 1 | BRIDGE SCHOOL TEAM2 | 21 | 4♠ | ♥4 | = | +0 |
| -3.0 | Round 1 | BRIDGE SCHOOL TEAM2 | 27 | 3NT | ♦Q | -3 | -1 |
| -3.1 | Round 6 | JACK | 12 | 4♠ | ♣4 | -3 | -6 |
| -3.2 | Round 4 | POLAK MALI | 24 | 3NT | ♥5 | -1 | -10 |
| -3.4 | Round 3 | CT U16 | 17 | 4♥ | ♠J | -1 | -8 |
| -4.0 | Round 2 | CZE HUN | 5 | 2♥ | ♦4 | = | -6 |
| -4.1 | Round 2 | CZE HUN | 1 | 4♥ | ♥A | +2 | -2 |
| -4.5 | Round 8 | VERCO CKIS SKAWINA | 3 | 3♥ | ♣K | +1 | -1 |
| -4.8 | Round 3 | CT U16 | 12 | 5♣ | ♠J | = | +2 |
| -5.4 | Round 2 | CZE HUN | 4 | 5♦ | ♥A | +2 | +13 |
| -5.7 | Round 7 | CHINA SMZY SPLINTER | 24 | 4♠ | ♦4 | -1 | -4 |
| -5.9 | Round 6 | JACK | 17 | 5♣ | ♥5 | -2 | -11 |
| -6.0 | Round 8 | VERCO CKIS SKAWINA | 5 | 3♠ | ♥A | +1 | -14 |
| -7.1 | Round 8 | VERCO CKIS SKAWINA | 6 | 3NT | ♣5 | +1 | -1 |
| -8.0 | Round 2 | CZE HUN | 8 | 6♦ | ♥K | -1 | -10 |
| -9.5 | Round 8 | VERCO CKIS SKAWINA | 7 | 6NT | ♣A | -2 | -13 |