XU Zemin · CANADA CHINA UNITED

226rank
+15.8Butler · 100 bds
+0.16per board
±4.9swing
+0.13vs par /bd · #245/567
+0.15adjusted /bd
Butler per round: 3.5 -26.5 10.5 22.5 9.8 8.8 -18.6 7.3 -8.2 6.7by round

vs par split: bidding +0.41 · play -0.28

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted +0.15/bd

Card play — on target: opening leads 76.7% #384 of 567 · declarer play 76.9% #270 of 567 · defence 71.4% #552 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads71.4% (7)78.3% (23)
Declarer play75.0% (4)77.3% (22)
Defence64.7% (17)74.4% (39)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 88.9% (9) · ♦ 70.0% (10) · ♣ 71.4% (7)

vs par by strain: NT -0.28 (25) · a suit +0.27 (75)

vs par by level: part-score +0.20 (41) · game +0.11 (55) · slam -0.25 (4)

By role: declaring +0.51/bd (-2.43 vs par · 44) · defending -0.12/bd (+2.14 vs par · 56)

By vulnerability: vulnerable +0.58/bd (+1.02 vs par · 50) · not vulnerable -0.26/bd (-0.76 vs par · 50)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1R.ChanD.Fei – X.HuaOpen10+3.5+0.35-0.10
Round 2R.ChanX.Hou – Z.FuClosed10-26.5-2.65-4.20
Round 3R.ChanK.Sung – I.HwangClosed10+10.5+1.05+2.60
Round 6R.ChanR.Khandelwal – R.KrishnanOpen10+22.5+2.25+3.30
Round 7R.ChanB.Satyanarayana – K.NadarClosed10+9.8+0.98+4.10
Round 9R.ChanP.Boyd – S.RobinsonClosed10+8.8+0.88-3.00
Round 11R.ChanM.Harding – G.VistOpen10-18.6-1.86-2.50
Round 12R.ChanS.Farholt – H.CaspersenClosed10+7.3+0.73+0.30
Round 14R.ChanG.Shen – Z.LiOpen10-8.2-0.82-2.20
Round 15R.ChanP.Bizon – M.SzymanowskiOpen10+6.7+0.67+3.00

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 6NAMO KK296♦♥10-3+17
+9.8Round 11NORWAY Women145♣x♥9+1+11
+9.6Round 6NAMO KK283NT♣4=+10
+8.4Round 2PD TIMES153♠♦K=+8
+8.0Round 15POLAND Seniors275♥x♠K-2+9
+7.9Round 15POLAND Seniors295♥x♠K-1+12
+7.8Round 7FORMIDABLES55♣x♥3-2+9
+7.7Round 9USA 1 Seniors236♦♥9=-8
+7.7Round 9USA 1 Seniors304♠♦Q=+0
+7.5Round 3GALAGILE214♥♠K-1+11
+7.5Round 3GALAGILE294♠♠2-1+6
+7.3Round 7FORMIDABLES64♥x♦6-3+9
+6.7Round 14DONGFENG FENGSHEN164♣♠K-3+4
+5.9Round 12MIX DENMARK244♠♣A+1+0
+5.8Round 3GALAGILE254♥♦A-2+3
+5.4Round 6NAMO KK304♥♣Q-1+10
+4.7Round 1WUHAN ENGINEERING44♥♦9-1+6
+4.7Round 12MIX DENMARK226♥♠5+1+1
+4.6Round 1WUHAN ENGINEERING101NT♣7=+6
+4.4Round 6NAMO KK232NT♥5-1+6
+4.0Round 12MIX DENMARK303♥♦3-3+7
+3.7Round 14DONGFENG FENGSHEN113NT♠5+2+1
+3.3Round 7FORMIDABLES45♦♠K+1+3
+3.1Round 1WUHAN ENGINEERING23NT♥6-1+5
+2.8Round 15POLAND Seniors305♣♠4-1+5
+2.7Round 14DONGFENG FENGSHEN184♥♣4=+3
+2.6Round 12MIX DENMARK256♥♣A=-11
+2.5Round 7FORMIDABLES22♠♣A-2+0
+2.5Round 15POLAND Seniors283NT♥J+3+11
+2.2Round 11NORWAY Women163♥♣9+1+1
+2.1Round 1WUHAN ENGINEERING63♥♦6=-7
+2.1Round 9USA 1 Seniors212♠♦A+1+7
+2.0Round 6NAMO KK262♦x♥3=+2
+1.8Round 6NAMO KK222♥♦Q+2+1
+1.8Round 12MIX DENMARK273♠♣J=+7
+1.8Round 15POLAND Seniors232♥♥5+1+1
+1.6Round 3GALAGILE232♣♠J=+5
+1.6Round 9USA 1 Seniors292♠♣4+2-1
+1.5Round 11NORWAY Women172♠♣K+1-6
+1.4Round 1WUHAN ENGINEERING92♦♣A+1-3
+1.4Round 14DONGFENG FENGSHEN132♠♦6=+0
+1.3Round 1WUHAN ENGINEERING33♥♦K=+0
+1.1Round 3GALAGILE264♥♠K+2+13
+0.8Round 7FORMIDABLES32♦♣A+1+0
+0.6Round 2PD TIMES143♦♦3=+5
+0.5Round 9USA 1 Seniors263NT♣5+2-12
+0.5Round 15POLAND Seniors253NT♣4+1+0
+0.3Round 9USA 1 Seniors272♠♥K+1+7
+0.2Round 15POLAND Seniors243NT♠5+2+0
-0.0Round 12MIX DENMARK212♠♦A+1-1
-0.0Round 12MIX DENMARK292♠♣7+1+0
-0.4Round 7FORMIDABLES84NT♦Q+1+10
-0.4Round 11NORWAY Women202♠♦5=+0
-0.5Round 1WUHAN ENGINEERING71NT♥5+1+0
-0.6Round 1WUHAN ENGINEERING13♠♣5+1-6
-0.6Round 3GALAGILE245♦♥J+1+1
-0.6Round 14DONGFENG FENGSHEN124♠♣K=+0
-0.7Round 12MIX DENMARK284♥♦J+1+11
-0.8Round 11NORWAY Women182♠♣2+1-1
-0.9Round 6NAMO KK242♦♥J+1+0
-1.1Round 14DONGFENG FENGSHEN142♦♣A+1+0
-1.2Round 3GALAGILE304♥♦3+2-1
-1.2Round 12MIX DENMARK232♥♥5+2-1
-1.3Round 6NAMO KK213NT♥J-2+5
-1.4Round 3GALAGILE285♣♠Q=+2
-1.6Round 2PD TIMES131NT♦Q+1+0
-1.7Round 9USA 1 Seniors255♥♠6+1-11
-1.9Round 7FORMIDABLES14♥♥9-2+0
-1.9Round 9USA 1 Seniors243♥♦5-2-5
-2.0Round 6NAMO KK275♠♥A-1-8
-2.1Round 3GALAGILE223NT♣6-2-6
-2.3Round 7FORMIDABLES72♣♠2-2-3
-2.4Round 11NORWAY Women124♥♦J+1-1
-2.5Round 2PD TIMES182♦♣6=+0
-2.6Round 14DONGFENG FENGSHEN173NT♣4+3-1
-2.7Round 9USA 1 Seniors282♥♣A=-1
-2.8Round 14DONGFENG FENGSHEN202♥♦K=-6
-3.1Round 2PD TIMES163♦♣6=+0
-3.1Round 7FORMIDABLES104♦♠Q=+0
-3.7Round 2PD TIMES124♠♥Q-1-12
-4.0Round 15POLAND Seniors212♠♥A+1-7
-4.2Round 7FORMIDABLES93NT♦8=+13
-4.5Round 14DONGFENG FENGSHEN154♠♥4=-11
-4.7Round 11NORWAY Women193NT♥4+1-1
-4.8Round 9USA 1 Seniors223NT♣9-2-6
-4.9Round 1WUHAN ENGINEERING55♠♠2=-1
-5.4Round 2PD TIMES173♣♥A-2-11
-5.7Round 2PD TIMES204♠♣9-1-12
-5.9Round 11NORWAY Women114♥♣K+1-8
-6.5Round 15POLAND Seniors223NT♠4+1-1
-6.5Round 15POLAND Seniors263NT♣Q+1+0
-6.7Round 2PD TIMES115♦♥2-1-10
-6.8Round 2PD TIMES193NT♦10=-10
-7.3Round 11NORWAY Women134♥♦4-1-6
-7.7Round 1WUHAN ENGINEERING83NT♦4+2-1
-7.7Round 3GALAGILE274♥♠6-1-8
-9.8Round 12MIX DENMARK264♥♦A=-10
-10.5Round 6NAMO KK253NT♥10=-10
-10.6Round 11NORWAY Women153NT♦K-4-14
-11.1Round 14DONGFENG FENGSHEN193NT♥J=-12