TANG Zhi · JSQX NJZS BRIDGECLUB

340rank
-4.2Butler · 120 bds
-0.04per board
±3.8swing
+0.57vs par /bd · #103/567
+0.36adjusted /bd
Butler per round: -2.9 26.6 6.4 2.5 -13.4 -27.6 12.1 21 -5.4 -34.9 3.5 7.9by round

vs par split: bidding +0.55 · play +0.02

Strength of schedule: opponents averaged +0.40/bd (a tough draw) → opponent-adjusted +0.36/bd

Card play — on target: opening leads 75.8% #411 of 567 · declarer play 73.1% #376 of 567 · defence 90.8% #36 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads53.8% (13)90.0% (20)
Declarer play80.0% (5)71.4% (21)
Defence90.0% (20)91.1% (45)

Opening leads by suit led: ♠ 55.6% (9) · ♥ 81.8% (11) · ♦ 80.0% (10) · ♣ 100.0% (3)

vs par by strain: NT +0.74 (35) · a suit +0.49 (85)

vs par by level: part-score +0.76 (53) · game +0.73 (63) · slam -4.50 (4)

By role: declaring -0.06/bd (-1.73 vs par · 55) · defending -0.01/bd (+2.51 vs par · 65)

By vulnerability: vulnerable +0.50/bd (+1.33 vs par · 60) · not vulnerable -0.57/bd (-0.20 vs par · 60)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2Y.TaoS.Sun – Y.LianOpen10-2.9-0.29-2.00
Round 3Y.TaoM.Bandesha – S.MalikClosed10+26.6+2.66+1.80
Round 4Y.TaoM.Kirr – J.CarruthersClosed10+6.4+0.64+0.30
Round 5Y.TaoW.Gawel – R.JagniewskiClosed10+2.5+0.25-0.60
Round 7Y.TaoK.Araszkiewicz – K.KotorowiczOpen10-13.4-1.34+1.80
Round 8Y.TaoM.Whibley – M.BrownOpen10-27.6-2.76-2.30
Round 9Y.TaoN.Li – X.ZouOpen10+12.1+1.21+4.40
Round 10Y.TaoT.Ma – X.ZhengOpen10+21.0+2.10+0.00
Round 12Y.TaoI.Thomson – P.BuchenClosed10-5.4-0.54-0.20
Round 13Y.TaoH.Lasut – E.ManoppoOpen10-34.9-3.49-1.60
Round 14Y.TaoJ.Zhao – F.YangClosed10+3.5+0.35+1.90
Round 15Y.TaoH.Chen – X.LiClosed10+7.9+0.79+3.30

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
+7.7Round 3PK NZ274♥♠2-1+8
+7.1Round 5POLMANY133NT♥Q-1+12
+7.1Round 12AUSTRALIA Seniors263NT♦4-2+8
+6.2Round 9BEIJINGXUGUANG274♠♥A=+0
+6.0Round 4CANADA Seniors74♠♥A-1+6
+5.7Round 4CANADA Seniors43NT♠J+2+0
+5.2Round 3PK NZ294♠♥J=+10
+5.0Round 3PK NZ285♣x♠Q=+3
+4.8Round 9BEIJINGXUGUANG214♥♠J+1+1
+4.8Round 10YUNNAN64♠♣10-2+8
+4.5Round 14CCSA154♠♥6=+11
+4.4Round 9BEIJINGXUGUANG234♠♦5=+14
+4.3Round 5POLMANY153♣♥A=+0
+3.9Round 4CANADA Seniors92♠♦J-1-1
+3.9Round 12AUSTRALIA Seniors226♥♦J=+0
+3.8Round 2SHANGHAILVCHENG163NT♣2=+7
+3.7Round 10YUNNAN103♠♥10-1+5
+3.6Round 5POLMANY182NT♠A=-1
+3.6Round 14CCSA193♣♠6=+6
+3.5Round 14CCSA133♠♦6-1+5
+3.3Round 2SHANGHAILVCHENG115♦♥2=-1
+3.3Round 7BRIDGESCANNER45♦♠K+1+3
+3.2Round 7BRIDGESCANNER11NT♣5=+5
+3.1Round 10YUNNAN73NT♦8=+0
+2.8Round 3PK NZ231NT♦4=-1
+2.8Round 15MINGXIN GROUP303NT♦4-1+5
+2.7Round 3PK NZ214♥♠K=-1
+2.7Round 10YUNNAN24♠♣A=+3
+2.7Round 13INDONESIA Seniors102♦♥6-1-1
+2.7Round 15MINGXIN GROUP212♥♠7+1+0
+2.7Round 15MINGXIN GROUP222NT♠4+1+10
+2.7Round 15MINGXIN GROUP264♦♣Q=+11
+2.5Round 15MINGXIN GROUP283NT♥J+3+11
+2.1Round 2SHANGHAILVCHENG123♠♥2=-8
+2.1Round 10YUNNAN11NT♦10-1-1
+2.0Round 3PK NZ304♠x♣2-3+2
+1.9Round 8NEW ZEALAND Open174♥♠A-1-2
+1.9Round 9BEIJINGXUGUANG243♥♠3-2+5
+1.9Round 10YUNNAN53♦♠K-1-2
+1.8Round 9BEIJINGXUGUANG304♠♦Q-1+10
+1.8Round 13INDONESIA Seniors42♥♣10+1+1
+1.7Round 9BEIJINGXUGUANG255♥♦7+1+11
+1.6Round 3PK NZ251NT♠5+1+6
+1.5Round 10YUNNAN91NT♥K=+5
+1.5Round 14CCSA164♠♥A-1+5
+1.4Round 2SHANGHAILVCHENG143♦♥2+1+6
+1.2Round 2SHANGHAILVCHENG182♥♠A-1+4
+1.2Round 2SHANGHAILVCHENG193♦♦10+1+0
+1.0Round 10YUNNAN43♠♥5-1-1
+1.0Round 12AUSTRALIA Seniors212♠♦A=+0
+0.9Round 4CANADA Seniors62♥♠7-1+0
+0.9Round 7BRIDGESCANNER22♠♣A-1-1
+0.9Round 12AUSTRALIA Seniors292NT♣6+2+2
+0.8Round 7BRIDGESCANNER32♦♣A+1+0
+0.8Round 14CCSA174♠♥J=-1
+0.8Round 15MINGXIN GROUP232♥♦2=+0
+0.7Round 12AUSTRALIA Seniors232♥♥9=+1
+0.6Round 3PK NZ245♦♣3+1-1
+0.6Round 4CANADA Seniors34♥♠K+2+11
+0.6Round 5POLMANY163♣♥K+1-7
+0.6Round 14CCSA124♠♣6=+0
+0.5Round 15MINGXIN GROUP253NT♣2+1+0
+0.4Round 7BRIDGESCANNER72♦♥6=+1
+0.2Round 10YUNNAN33♣♦10+2-6
+0.2Round 15MINGXIN GROUP243NT♠4+2+0
+0.1Round 3PK NZ223NT♥10-1+5
+0.1Round 13INDONESIA Seniors93NT♠6+1-1
+0.0Round 5POLMANY173♠♦A=+0
+0.0Round 8NEW ZEALAND Open114♠♥A+1+0
-0.0Round 8NEW ZEALAND Open143NT♦2+2+0
-0.0Round 10YUNNAN86NT♣6=-11
-0.2Round 5POLMANY112♠♥3+1+0
-0.4Round 5POLMANY202♠♣2+1+0
-0.5Round 4CANADA Seniors54♠♣Q=+0
-0.5Round 8NEW ZEALAND Open153NT♥4+1+0
-0.5Round 9BEIJINGXUGUANG263NT♥9+2+12
-0.6Round 2SHANGHAILVCHENG131NT♦K=+1
-0.6Round 4CANADA Seniors102♣♠K=+0
-0.6Round 9BEIJINGXUGUANG293♥♠Q-2+2
-0.7Round 12AUSTRALIA Seniors284♠♣7+1+11
-0.7Round 15MINGXIN GROUP274♣♠K=-1
-0.9Round 8NEW ZEALAND Open133♦♦3+2+0
-1.0Round 12AUSTRALIA Seniors243NT♥10-3-7
-1.1Round 3PK NZ265♥♠K+1-13
-1.2Round 9BEIJINGXUGUANG283♥♣10-1-4
-1.2Round 13INDONESIA Seniors63♥♦5+2+6
-1.6Round 4CANADA Seniors15♣♠Q=-2
-1.6Round 7BRIDGESCANNER54♣♥3=+0
-1.7Round 4CANADA Seniors82♠♣10-1-4
-1.9Round 13INDONESIA Seniors22♦♣Q+1+9
-1.9Round 14CCSA183NT♠10=-3
-2.2Round 7BRIDGESCANNER104♥♦5-1+1
-2.4Round 14CCSA203♥♦A-1+1
-2.5Round 7BRIDGESCANNER64♥♦6-3-3
-3.0Round 14CCSA142NT♣9-1-4
-3.2Round 8NEW ZEALAND Open184♠♣K+1+0
-3.2Round 12AUSTRALIA Seniors302♠♦J+1+0
-3.3Round 2SHANGHAILVCHENG154♥♣6=-6
-3.5Round 8NEW ZEALAND Open163NT♥9-2-7
-3.5Round 13INDONESIA Seniors14♥♦Q=+0
-3.6Round 5POLMANY121NT♠J=-5
-3.7Round 14CCSA113NT♥J+2-1
-3.8Round 8NEW ZEALAND Open203♦♥A=+0
-3.9Round 5POLMANY142♥♦A=+1
-5.0Round 5POLMANY194♠♦8-2-6
-5.7Round 2SHANGHAILVCHENG205♣♥2-1-12
-6.1Round 8NEW ZEALAND Open193NT♥Q=+0
-6.2Round 12AUSTRALIA Seniors274♠♥4+3-3
-6.3Round 2SHANGHAILVCHENG174♠♥A-3-11
-6.3Round 4CANADA Seniors26♥x♦A-1-7
-6.3Round 15MINGXIN GROUP294♥♠9=-3
-6.4Round 7BRIDGESCANNER93NT♦8+3+12
-6.4Round 9BEIJINGXUGUANG223NT♠7=-7
-6.8Round 13INDONESIA Seniors33NT♦2-1-12
-6.8Round 13INDONESIA Seniors54♥♥2-2+0
-7.9Round 12AUSTRALIA Seniors254♥♣K+2-14
-8.0Round 13INDONESIA Seniors83♠x♥A-5-5
-9.3Round 7BRIDGESCANNER86♣♦Q=+0
-11.3Round 13INDONESIA Seniors74♠♣2-1-13
-11.5Round 8NEW ZEALAND Open123NT♦5-1-14