LI Zhigang · DONGFENG FENGSHEN

17rank
+34.6Butler · 56 bds
+0.62per board
±3.9swing
+0.39vs par /bd
+0.23adjusted /bd
Butler per round: 15.3 15.3 19.3 19.3by round

vs par split: bidding -0.29 · play +0.68

Strength of schedule: opponents averaged -0.39/bd (an easy draw) → opponent-adjusted +0.23/bd

Card play — on target: opening leads 55.0% · declarer play 55.6% · defence 80.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads33.3% (6)64.3% (14)
Declarer play50.0% (4)60.0% (5)
Defence80.0% (15)80.0% (25)

Opening leads by suit led: ♦ 55.0% (20)

vs par by strain: NT +1.30 (20) · a suit -0.11 (36)

vs par by level: part-score -0.04 (22) · game +1.00 (30) · slam -1.75 (4)

By role: declaring +0.33/bd (-2.81 vs par · 16) · defending +0.73/bd (+1.68 vs par · 40)

By vulnerability: vulnerable +0.54/bd (-0.96 vs par · 28) · not vulnerable +0.70/bd (+1.75 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32G.ShenP.Zatorski – R.PachtmanClosed14+18.1+1.29+2.64
Round of 32G.ShenR.Pachtman – P.ZatorskiClosed14-2.8-0.20-1.14
Round of 16G.ShenR.Li – S.WuOpen14-3.2-0.23-0.07
Round of 16G.ShenR.Li – S.ShenOpen14+22.5+1.61+0.14

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
+13.1Round of 32BRIDGESCANNER116♦♦2-2+14
+9.4Round of 16SAN CHEN FUND234♠x♦2-2+8
+8.3Round of 16SAN CHEN FUND154♥♦2=-1
+7.1Round of 32BRIDGESCANNER175♠♦2-1+11
+6.2Round of 32BRIDGESCANNER93NT♦2-2+7
+6.1Round of 16SAN CHEN FUND251NT♦2=+11
+5.1Round of 32BRIDGESCANNER244NTxx♦2-1+7
+5.0Round of 32BRIDGESCANNER24♥x♦2-2-8
+4.8Round of 16SAN CHEN FUND61NT♦2-3+4
+4.2Round of 16SAN CHEN FUND201NT♦2-3+5
+4.1Round of 16SAN CHEN FUND124♠x♦2-3+5
+3.9Round of 32BRIDGESCANNER34NT♦2+1+17
+3.6Round of 16SAN CHEN FUND22♠♦2-3+1
+3.1Round of 32BRIDGESCANNER236♠♦2=+0
+3.1Round of 16SAN CHEN FUND183NT♦2+2+2
+2.6Round of 32BRIDGESCANNER266NT♦2=-13
+2.1Round of 16SAN CHEN FUND213NT♦2-1+4
+1.9Round of 16SAN CHEN FUND195♣♦2=+0
+1.7Round of 16SAN CHEN FUND262NT♦2-2+2
+1.1Round of 16SAN CHEN FUND92♥♦2+2+1
+0.5Round of 32BRIDGESCANNER223NT♦2+1+0
+0.3Round of 16SAN CHEN FUND44♠♦2=-3
+0.0Round of 32BRIDGESCANNER42♠♦2-1-5
-0.1Round of 32BRIDGESCANNER101NT♦2=+1
-0.1Round of 16SAN CHEN FUND101NT♦2+2-1
-0.1Round of 16SAN CHEN FUND282♠♦2+1+0
-0.2Round of 32BRIDGESCANNER62♦♦2+1+0
-0.2Round of 32BRIDGESCANNER273NT♦2=-1
-0.2Round of 16SAN CHEN FUND14♥♦2-2+0
-0.4Round of 32BRIDGESCANNER143NT♦2=+1
-0.5Round of 32BRIDGESCANNER154♠♦2=+0
-0.5Round of 32BRIDGESCANNER161NT♦2=-2
-0.5Round of 16SAN CHEN FUND84♠♦2=-1
-0.5Round of 16SAN CHEN FUND171NT♦2-3+0
-0.6Round of 16SAN CHEN FUND272♠♦2-1-4
-0.7Round of 32BRIDGESCANNER212♥♦2=-1
-0.7Round of 16SAN CHEN FUND33♥♦2=-1
-0.9Round of 16SAN CHEN FUND144♥♦2+2+8
-1.1Round of 32BRIDGESCANNER54♠♦2+1-1
-1.1Round of 32BRIDGESCANNER204♠♦2+1-1
-1.2Round of 32BRIDGESCANNER123♦♦2=+0
-1.3Round of 32BRIDGESCANNER84♠♦2+2+11
-1.4Round of 32BRIDGESCANNER14♥♦2+2-1
-1.5Round of 32BRIDGESCANNER74♥♦2=+1
-1.8Round of 16SAN CHEN FUND115♠♦2+1-1
-1.8Round of 16SAN CHEN FUND222♥♦2=-5
-2.3Round of 32BRIDGESCANNER282♠♦2+2-2
-2.9Round of 32BRIDGESCANNER131♥♦2+1+0
-3.2Round of 16SAN CHEN FUND53♠♦2-1-5
-3.8Round of 32BRIDGESCANNER194NT♦2+2-1
-4.0Round of 16SAN CHEN FUND73♠♦2=+0
-4.1Round of 32BRIDGESCANNER254♥x♦2-1-6
-5.3Round of 16SAN CHEN FUND163NT♦2=-10
-5.7Round of 16SAN CHEN FUND136♥♦2=-8
-6.0Round of 16SAN CHEN FUND244♥♦2-1-10
-8.0Round of 32BRIDGESCANNER183NT♦2+1-7