LIU Yan · CHINA RED

70rank
-28.1Butler · 60 bds
-0.47per board
±3.8swing
-0.58vs par /bd · #69/86
-0.29adjusted /bd
Butler per round: -3 -2 6.8 19.4 -24.3 -25by round

vs par split: bidding -0.27 · play -0.32

Strength of schedule: opponents averaged +0.18/bd (a tough draw) → opponent-adjusted -0.29/bd

Card play — on target: opening leads 66.7% #84 of 86 · declarer play 60.0% #69 of 86 · defence 89.7% #39 of 86

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (2)71.4% (7)
Declarer play75.0% (8)42.9% (7)
Defence100.0% (10)84.2% (19)

Opening leads by suit led: ♠ 0.0% (1) · ♥ 66.7% (3) · ♦ 100.0% (3) · ♣ 50.0% (2)

vs par by strain: NT +0.78 (23) · a suit -1.43 (37)

vs par by level: part-score -0.22 (27) · game -1.41 (29) · slam +3.00 (4)

By role: declaring -0.36/bd (-3.77 vs par · 31) · defending -0.58/bd (+2.83 vs par · 29)

By vulnerability: vulnerable -0.83/bd (-0.66 vs par · 32) · not vulnerable -0.05/bd (-0.50 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.LuL.Blaagestad – R.SivertsvikClosed10-3.0-0.30+1.80
Round 3Y.LuB.Zhao – Y.ChenClosed10-2.0-0.20-0.50
Round 4Y.LuE.Flaatt – M.GrudeOpen10+6.8+0.68+0.30
Round 6Y.LuT.Heskje – S.ThoresenClosed10+19.4+1.94+1.90
Round 8Y.LuA.Sarniak – C.BaldyszOpen10-24.3-2.43-3.30
Round 9Y.LuP.Leslie – S.PunchClosed10-25.0-2.50-3.70

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
+12.5Round 6HESKJE286♠x♣A=+6
+7.7Round 4SOMNA IL45♣♠A+1-5
+6.4Round 6HESKJE243NT♣10=+7
+5.5Round 3CHINA ORANGE253NT♥8-1+12
+5.2Round 1WWW GUTS COM62♥♣Q-2+11
+4.5Round 4SOMNA IL36♣♦5-2+6
+3.9Round 3CHINA ORANGE245♣x♠A-1+5
+3.1Round 9LESLIE LADIES304♥♥6-1+4
+3.0Round 3CHINA ORANGE212♠♣J=-1
+2.7Round 6HESKJE234♠♥K-1+6
+2.1Round 9LESLIE LADIES254♠♥8+2-13
+2.0Round 4SOMNA IL51NT♥8-1+0
+1.5Round 1WWW GUTS COM25♣♥8=-1
+1.4Round 6HESKJE273♠♣5=+0
+1.0Round 4SOMNA IL72♥♠10+2+10
+1.0Round 6HESKJE223NT♥8=+10
+0.9Round 8POLAND173NT♣10=-1
+0.7Round 3CHINA ORANGE271♠♥A+1+0
+0.6Round 6HESKJE263NT♦4+3-13
+0.4Round 9LESLIE LADIES263♣♦6-2+8
+0.3Round 1WWW GUTS COM54♥♣7+2-11
+0.3Round 8POLAND141NT♥7-1+2
+0.2Round 1WWW GUTS COM82♥♠6-1+4
+0.2Round 3CHINA ORANGE293NT♠J+1+0
-0.1Round 3CHINA ORANGE221NTx♣7-2-4
-0.3Round 6HESKJE293NT♠8+1+13
-0.5Round 4SOMNA IL82♥♣4+1+7
-0.6Round 1WWW GUTS COM11NT♥A=-2
-0.6Round 1WWW GUTS COM43♥♠4+1-1
-0.6Round 1WWW GUTS COM92♠x♣6-1+5
-0.6Round 4SOMNA IL101NT♦5=+0
-0.6Round 6HESKJE213NT♠K=-1
-0.6Round 6HESKJE254♥♣A+1+0
-0.6Round 9LESLIE LADIES274♠♦6+1+0
-0.7Round 4SOMNA IL24♥♦J+1-4
-1.2Round 4SOMNA IL12♥♦8=+0
-1.3Round 3CHINA ORANGE284♦♥10-1-5
-1.4Round 1WWW GUTS COM102♦♠A+2+0
-1.4Round 8POLAND153♥♣10-1-5
-1.4Round 8POLAND183NT♠3=+0
-1.5Round 8POLAND203♠♥4-1-6
-1.6Round 4SOMNA IL63NT♠5+1-1
-1.6Round 8POLAND163♥♣Q=-7
-1.7Round 3CHINA ORANGE231NT♥K=-1
-1.7Round 8POLAND122♠♥Q+1+0
-2.0Round 1WWW GUTS COM73NT♥6+1+13
-2.1Round 3CHINA ORANGE261NT♠6-1+0
-2.9Round 9LESLIE LADIES211NT♥2-2-5
-3.1Round 9LESLIE LADIES234♥♠3+1-1
-3.3Round 8POLAND193NT♠2=+1
-3.6Round 9LESLIE LADIES242♠♣4-2-6
-3.7Round 6HESKJE305♦♣2-2-9
-3.8Round 4SOMNA IL93♠♥2+1-10
-4.7Round 9LESLIE LADIES286♠♦5=+0
-5.0Round 1WWW GUTS COM36NT♠J=+0
-6.0Round 8POLAND113NT♠7+1+0
-6.6Round 9LESLIE LADIES223NT♥5-1-12
-8.6Round 8POLAND134♥♦6-2-17
-9.1Round 9LESLIE LADIES295♠♥J-1-12
-10.1Round 3CHINA ORANGE304♠♦6=-11