ZHANG Bangxiang · CFSC

163rank
-5.5Butler · 56 bds
-0.10per board
±4.5swing
+0.50vs par /bd
+0.15adjusted /bd
Butler per round: -18.7 -18.7 13.2 13.2by round

vs par split: bidding -0.30 · play +0.80

Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted +0.15/bd

Card play — on target: opening leads 91.7% · declarer play 92.3% · defence 93.3%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (4)87.5% (8)
Declarer play100.0% (2)90.9% (11)
Defence90.0% (10)95.0% (20)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 75.0% (4) · ♦ 100.0% (2) · ♣ 100.0% (3)

vs par by strain: NT +1.00 (12) · a suit +0.36 (44)

vs par by level: part-score +1.00 (27) · game -0.22 (23) · slam +1.00 (6)

By role: declaring +0.71/bd (-0.46 vs par · 26) · defending -0.80/bd (+1.33 vs par · 30)

By vulnerability: vulnerable -0.89/bd (+0.07 vs par · 28) · not vulnerable +0.69/bd (+0.93 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 64N.WangK.Mccallum – A.BachClosed14-10.3-0.74+0.36
Round of 64N.WangK.Mccallum – A.BachOpen14-8.4-0.60-0.50
Round of 32N.WangY.Peng – P.LuOpen14+13.3+0.95+3.00
Round of 32N.WangY.Peng – P.LuOpen14-0.1-0.01-0.86

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
+8.7Round of 32YBM95♣x♥8-1+12
+7.4Round of 64MCCALLUM253NT♠9-4+12
+7.0Round of 32YBM146♥♥5=+11
+6.3Round of 32YBM12♠♦K-1+9
+5.7Round of 64MCCALLUM64♠♥10=+0
+5.5Round of 32YBM114♥♣9+1+4
+4.5Round of 32YBM222♠♥K=+5
+4.3Round of 64MCCALLUM34♠♣J-1+6
+4.2Round of 32YBM272♥♠J+3+3
+3.7Round of 64MCCALLUM242♠♠A=+6
+3.4Round of 64MCCALLUM42♥♥K=+6
+3.3Round of 32YBM83♥♦4-1+5
+3.1Round of 32YBM73♣♥Q-2+3
+3.0Round of 64MCCALLUM273♣♥K-3+1
+2.8Round of 32YBM176♦♣K+1+11
+2.7Round of 64MCCALLUM181NT♥4+1+6
+2.5Round of 64MCCALLUM102♦♥3+1+0
+2.3Round of 32YBM46♠♦J+1+13
+2.1Round of 32YBM252♦♣J-1+6
+1.8Round of 32YBM264♣x♦A-1-2
+1.7Round of 32YBM63♣♥Q-1+3
+1.4Round of 64MCCALLUM214♠♣Q=-1
+0.6Round of 64MCCALLUM133♥♦8=+10
+0.4Round of 32YBM163♠♥2+1-1
+0.2Round of 64MCCALLUM203NT♥9+2+0
+0.2Round of 64MCCALLUM234♠♦K+1+0
-0.2Round of 32YBM22♠♦3=+1
-0.4Round of 32YBM54♠♠3+1+0
-0.4Round of 32YBM124♠♦Q=+0
-0.5Round of 32YBM183NT♠7=+1
-0.7Round of 32YBM133♣♦4-2+2
-0.8Round of 32YBM204♠♦A=-1
-1.0Round of 64MCCALLUM11NT♠A=+2
-1.0Round of 64MCCALLUM22NT♥7+2-1
-1.1Round of 32YBM246NT♥5=+0
-1.2Round of 64MCCALLUM54♠♣J=+1
-1.3Round of 64MCCALLUM123NT♣8+3+11
-1.3Round of 32YBM233NT♥7+2-1
-1.4Round of 64MCCALLUM286♣♥6+1-11
-1.8Round of 64MCCALLUM154♠x♥A-2+0
-1.8Round of 32YBM153♥♣K=-6
-2.0Round of 64MCCALLUM83♦♣Q+3-13
-2.3Round of 64MCCALLUM114♥♣A=-3
-2.6Round of 64MCCALLUM173♥♠Q-2+0
-2.7Round of 64MCCALLUM143♠♣K=+0
-2.7Round of 64MCCALLUM263♦♥K-1+0
-3.1Round of 32YBM284♠♣10-1-12
-3.3Round of 32YBM193♠♣Q+2-6
-4.0Round of 64MCCALLUM163NT♠2=+0
-4.0Round of 32YBM212♠♦7=-9
-4.1Round of 32YBM104♥♦7-2-3
-4.3Round of 64MCCALLUM72♣♥8-2-3
-6.3Round of 64MCCALLUM224♠♥A+2-13
-8.2Round of 64MCCALLUM193NT♠4=-7
-11.0Round of 64MCCALLUM93NT♦7=-11
-18.8Round of 32YBM36♣x♠K=-18