CAO Yi · ZHONGFU

167rank
-3.2Butler · 28 bds
-0.11per board
±4.8swing
-0.21vs par /bd · #165/277
+0.31adjusted /bd
Butler per round: 11.3 -13.7 -14.4 13.6by round

vs par split: bidding -0.61 · play +0.39

Strength of schedule: opponents averaged +0.43/bd (a tough draw) → opponent-adjusted +0.31/bd

Card play — on target: opening leads 58.3% #265 of 277 · declarer play 60.0% #244 of 277 · defence 86.7% #95 of 277

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)57.1% (7)
Declarer play100.0% (2)33.3% (3)
Defence83.3% (6)88.9% (9)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 80.0% (5) · ♦ 50.0% (4) · ♣ 0.0% (2)

vs par by strain: NT +1.00 (8) · a suit -0.70 (20)

vs par by level: part-score +0.75 (12) · game -0.15 (13) · slam -4.33 (3)

By role: declaring -0.35/bd (-3.38 vs par · 13) · defending +0.09/bd (+2.53 vs par · 15)

By vulnerability: vulnerable -0.23/bd (-1.71 vs par · 14) · not vulnerable -0.00/bd (+1.29 vs par · 14)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 4K.TangZ.Fang – Z.LingOpen7+11.3+1.61+2.71
Round 5K.TangM.Sheng – Z.LiOpen7-13.7-1.96-3.43
Round 6K.TangJ.Chen – C.LinClosed7-14.4-2.06-1.29
Round 7K.TangJ.Lei – X.CaoOpen7+13.6+1.94+1.14

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
+9.8Round 4SHAOGUAN RENHUA273NT♦J-2+14
+8.4Round 4SHAOGUAN RENHUA283NTx♠5=+6
+8.0Round 7COFCO YALONG BAY186♦♦2=-2
+4.6Round 7COFCO YALONG BAY192♠♦Q+1+6
+3.6Round 5GUANGZHOU ZHAOHENG54♠♠2-1+10
+3.4Round 7COFCO YALONG BAY165♠♣10-1+5
+3.4Round 7COFCO YALONG BAY203♠♥7-1+5
+2.8Round 6CTBA94♥x♦K-1+7
+1.7Round 6CTBA102♣♣4+2+0
+1.5Round 4SHAOGUAN RENHUA232NT♦4=+1
+0.7Round 5GUANGZHOU ZHAOHENG66NT♣10=-11
+0.6Round 4SHAOGUAN RENHUA262♥♦10=+0
+0.1Round 7COFCO YALONG BAY172♠♣8+1+6
-0.1Round 5GUANGZHOU ZHAOHENG23♥♦9-1+1
-0.4Round 5GUANGZHOU ZHAOHENG14♥♣A=-1
-0.8Round 4SHAOGUAN RENHUA253NT♥3+1-1
-1.0Round 6CTBA132♠♠4=+0
-1.1Round 6CTBA83♠♥Q-1+2
-1.8Round 5GUANGZHOU ZHAOHENG33NT♦10=+0
-2.4Round 7COFCO YALONG BAY216♠♥2=+0
-2.5Round 4SHAOGUAN RENHUA241NT♥4+1-1
-2.9Round 6CTBA112♣♣3+2-1
-3.2Round 5GUANGZHOU ZHAOHENG44♠♣9-1-6
-3.5Round 7COFCO YALONG BAY154♠♥4-1-12
-5.7Round 4SHAOGUAN RENHUA223NT♣3=+0
-6.2Round 6CTBA144♠♥3=-7
-7.7Round 6CTBA123♥♠J+2-10
-12.5Round 5GUANGZHOU ZHAOHENG75♣♠7-1-17