CHANG Keng-Jui · CT 360

11rank
-11.0Butler · 42 bds
-0.26per board
±4.1swing
-0.33vs par /bd · #13/18
-0.15adjusted /bd
Butler per round: -18.9 10.9 -3by round

vs par split: bidding -0.60 · play +0.26

Strength of schedule: opponents averaged +0.11/bd (a tough draw) → opponent-adjusted -0.15/bd

Card play — on target: opening leads 75.0% #13 of 18 · declarer play 55.6% #18 of 18 · defence 89.5% #5 of 18

Bidding activity — not a pass: 41.4% #15 of 18 (46/111)

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (2)83.3% (6)
Declarer play·55.6% (9)
Defence50.0% (4)100.0% (15)

Opening leads by suit led: ♠ 0.0% (1) · ♥ 100.0% (4) · ♦ 66.7% (3)

vs par by strain: NT +5.00 (4) · a suit -0.90 (38)

vs par by level: part-score -0.68 (22) · game +0.06 (18) · slam +0.00 (2)

By role: declaring -0.47/bd (-2.26 vs par · 23) · defending -0.01/bd (+2.00 vs par · 19)

By vulnerability: vulnerable -0.16/bd (+0.86 vs par · 21) · not vulnerable -0.37/bd (-1.52 vs par · 21)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1L.WuH.Chiu – Y.ChangOpen14-18.9-1.35+0.00
Round 2L.WuA.Chen – J.XiaoOpen14+10.9+0.78-0.57
Round 3L.WuM.Moe – S.LillejordClosed14-3.0-0.21-0.43

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.

ButlerRoundOpponentsBdContractLeadResvs par
+14.0Round 3THE VIKINGS25♥♥8-1+9
+7.3Round 2JACK223♥x♣7-1+11
+6.3Round 2JACK244♥♦Q=+0
+4.3Round 2JACK202♠♣9-1-1
+3.7Round 2JACK215♥♠4-2+11
+3.3Round 2JACK184♥♠2=+0
+3.3Round 3THE VIKINGS36♠♠T+1+11
+2.3Round 1CT U16102♥♠9=+6
+2.0Round 1CT U1643NT♦7+1+10
+1.7Round 1CT U1632♠♥J=+0
+1.7Round 3THE VIKINGS93♦♥A+1+7
+1.3Round 1CT U1692♠♣J=+0
+1.0Round 2JACK273♥♦2-2+1
+1.0Round 2JACK302♥♠A-1-4
+1.0Round 3THE VIKINGS122♦♠5=+6
+0.3Round 1CT U1614♠♣3+1+1
+0.3Round 3THE VIKINGS81♠♦J+1+0
-0.0Round 1CT U1654♠♣J+1-4
-0.0Round 3THE VIKINGS44♠♠9+1+0
-0.0Round 3THE VIKINGS116♥♣T+1-11
-0.0Round 3THE VIKINGS133♠♣A+1-10
-0.3Round 1CT U1684♠♣6=-3
-0.3Round 2JACK173NT♦Q+2-1
-0.7Round 2JACK192♥♠7+1+6
-0.7Round 2JACK255♦♥K-1-10
-1.0Round 3THE VIKINGS102♠♥7+2+1
-1.3Round 1CT U16133NT♥6+3+12
-1.3Round 2JACK282NT♥3-2-1
-2.0Round 3THE VIKINGS64♠♥Q-2-8
-2.0Round 3THE VIKINGS144♣♦K-2-8
-2.3Round 1CT U1672♥♠3-1-12
-2.3Round 1CT U16112♠♥2+1+0
-2.7Round 1CT U1662♠♦3=+1
-3.3Round 2JACK265♦x♥K-3-5
-3.3Round 3THE VIKINGS73♠♦A-1+11
-4.3Round 1CT U1624♠♥8+1+0
-4.7Round 2JACK293♥♦Q=-15
-5.0Round 2JACK234♥♠A=+0
-5.0Round 3THE VIKINGS12♥♥4=-5
-6.0Round 1CT U16144♠♥4=+0
-7.3Round 1CT U16125♦♥7+1-11
-10.0Round 3THE VIKINGS53♦x♠T-3-9