LIU Shitong · DONGFENG FENGSHEN

106rank
-21.5Butler · 56 bds
-0.38per board
±3.8swing
-0.29vs par /bd
-0.28adjusted /bd
Butler per round: 5.1 5.1 -26.6 -26.6by round

vs par split: bidding -0.54 · play +0.25

Strength of schedule: opponents averaged +0.11/bd (a tough draw) → opponent-adjusted -0.28/bd

Card play — on target: opening leads 100.0% · declarer play 91.7% · defence 100.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (3)100.0% (6)
Declarer play100.0% (8)87.5% (16)
Defence100.0% (4)100.0% (10)

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

vs par by strain: NT -0.06 (18) · a suit -0.40 (38)

vs par by level: part-score +1.58 (24) · game -2.79 (28) · slam +6.00 (4)

By role: declaring -0.10/bd (-1.12 vs par · 42) · defending -1.24/bd (+2.21 vs par · 14)

By vulnerability: vulnerable -0.25/bd (+0.00 vs par · 28) · not vulnerable -0.52/bd (-0.57 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32X.ChenA.Arlovich – E.VainikonisOpen14+12.8+0.91-0.79
Round of 32X.ChenK.Araszkiewicz – K.KotorowiczOpen14-7.7-0.55+0.43
Round of 16X.ChenG.Xin – H.JiangClosed14-8.7-0.62-1.21
Round of 16X.ChenG.Xin – H.JiangClosed14-17.9-1.28+0.43

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
+11.1Round of 16SAN CHEN FUND116♠♥A=+11
+6.5Round of 16SAN CHEN FUND262NT♦3+1+7
+5.3Round of 16SAN CHEN FUND163NT♣9=+10
+4.2Round of 32BRIDGESCANNER162♥♦K-1+5
+4.0Round of 16SAN CHEN FUND73♠♥6=+0
+3.8Round of 32BRIDGESCANNER193NT♣5+3+1
+3.6Round of 32BRIDGESCANNER174♠♥2+1+0
+3.6Round of 16SAN CHEN FUND53♦♥5=+5
+2.4Round of 32BRIDGESCANNER131NT♥2=-1
+2.4Round of 32BRIDGESCANNER143NT♠10+2+1
+2.2Round of 32BRIDGESCANNER91♠♦5+2+1
+2.2Round of 32BRIDGESCANNER182NT♦4+1+1
+1.8Round of 16SAN CHEN FUND222♥♦Q=+5
+1.7Round of 32BRIDGESCANNER116NT♣J=+0
+1.6Round of 32BRIDGESCANNER23♥♦6-1+12
+1.5Round of 32BRIDGESCANNER74♥♣6=-1
+1.2Round of 32BRIDGESCANNER62♦♥K=+1
+1.2Round of 32BRIDGESCANNER123♦♠7=+0
+0.9Round of 16SAN CHEN FUND144♥♦A+2-8
+0.7Round of 32BRIDGESCANNER212♥♦K=+1
+0.7Round of 16SAN CHEN FUND32♥♣5+1+1
+0.6Round of 16SAN CHEN FUND273♣♠Q-1+4
+0.5Round of 32BRIDGESCANNER154♠♣5=+0
+0.5Round of 32BRIDGESCANNER225♣♠6=+1
+0.4Round of 32BRIDGESCANNER14♥♦10+1+0
+0.4Round of 32BRIDGESCANNER84♠♥8+1-11
+0.2Round of 32BRIDGESCANNER273NT♥5=+1
+0.1Round of 32BRIDGESCANNER101NT♠K=-1
+0.1Round of 32BRIDGESCANNER204♠♠5=+0
+0.1Round of 16SAN CHEN FUND282♠♦Q+1+0
-0.0Round of 32BRIDGESCANNER42♠♣J-1+5
+0.0Round of 32BRIDGESCANNER54♠♦Q=+0
-0.3Round of 16SAN CHEN FUND44♠♦Q=+3
-0.6Round of 16SAN CHEN FUND84♠♥3+1+0
-0.6Round of 16SAN CHEN FUND233♠♦A-1+1
-1.2Round of 16SAN CHEN FUND183NT♠8=+0
-1.3Round of 16SAN CHEN FUND172♠♥10-4-2
-1.7Round of 16SAN CHEN FUND201NT♣4-2-3
-1.9Round of 16SAN CHEN FUND195♣♠3=+0
-2.0Round of 16SAN CHEN FUND91NT♥6-2-2
-2.1Round of 16SAN CHEN FUND61NT♥7-2-2
-2.2Round of 32BRIDGESCANNER253♥♦9=+0
-2.2Round of 16SAN CHEN FUND22♠♥K-2+0
-2.3Round of 32BRIDGESCANNER33NT♣10+4-17
-2.6Round of 32BRIDGESCANNER266NT♣J=+13
-3.1Round of 32BRIDGESCANNER236♠♦5=+0
-3.8Round of 16SAN CHEN FUND213NT♠7-2-5
-4.1Round of 16SAN CHEN FUND124♠x♥A-3-5
-4.5Round of 16SAN CHEN FUND14♥x♠J-2-5
-4.6Round of 16SAN CHEN FUND244♥♠K=-1
-5.0Round of 32BRIDGESCANNER284♠♥5-2-5
-6.3Round of 16SAN CHEN FUND103NT♥8-1-6
-6.9Round of 16SAN CHEN FUND135♥♠2+1-9
-7.9Round of 16SAN CHEN FUND153NT♠5=+2
-9.2Round of 16SAN CHEN FUND254♥♣2-1-12
-10.6Round of 32BRIDGESCANNER244♠x♣K-3-12