LIAN Ruoyang · CHINA OPEN

1rank
+32.9Butler · 20 bds
+1.65per board
±4.8swing
+2.05vs par /bd
+1.74adjusted /bd
Butler per round: 2.1 30.8by round

vs par split: bidding +1.80 · play +0.25

Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted +1.74/bd

Card play — on target: opening leads 66.7% · declarer play 60.0% · defence 83.3%

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (2)100.0% (1)
Declarer play100.0% (2)33.3% (3)
Defence66.7% (3)100.0% (3)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 0.0% (1)

vs par by strain: NT +1.12 (8) · a suit +2.67 (12)

vs par by level: part-score +1.00 (5) · game +2.91 (11) · slam +1.00 (4)

By role: declaring +2.33/bd (+0.14 vs par · 14) · defending +0.05/bd (+6.50 vs par · 6)

By vulnerability: vulnerable +4.10/bd (+3.70 vs par · 10) · not vulnerable -0.81/bd (+0.40 vs par · 10)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 11H.ShiM.Kamil – M.FleisherClosed10+2.1+0.21-1.20
Round 12H.ShiJ.Fritsche – R.RohowskyClosed10+30.8+3.08+5.30

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
+14.7Round 12DEUTSCHLAND266♦♠A=+15
+9.0Round 11FLEISHER183NT♠3+1+0
+7.8Round 12DEUTSCHLAND296♦♥2=+0
+4.8Round 12DEUTSCHLAND303NT♠2+3+11
+4.1Round 11FLEISHER204♥♦A=+3
+3.8Round 12DEUTSCHLAND214♣♣4-2+6
+3.0Round 11FLEISHER152♦♣5=+0
+2.2Round 11FLEISHER196♠♥5+1-11
+1.5Round 12DEUTSCHLAND232♣x♦Q-2+13
+1.5Round 12DEUTSCHLAND277NT♦2=+0
+1.1Round 11FLEISHER124♥♦Q=-1
+0.9Round 12DEUTSCHLAND284♥♦A+2+11
+0.6Round 12DEUTSCHLAND254♥♠A=+0
-1.8Round 11FLEISHER164♥♠4=+0
-2.0Round 11FLEISHER113NT♠4+2+10
-2.1Round 12DEUTSCHLAND243NT♦Q-1+2
-2.7Round 12DEUTSCHLAND223NT♥5-1-5
-3.2Round 11FLEISHER142♠♣10-1-4
-4.9Round 11FLEISHER132NT♠2+2-10
-5.4Round 11FLEISHER173NT♥6=+1