SUN Yanhui · ORG

244rank
+0.5Butler · 50 bds
+0.01per board
±3.6swing
+0.16vs par /bd · #191/478
-0.06adjusted /bd
Butler per round: -13.7 25 1.7 -1.2 -11.3by round

vs par split: bidding -0.58 · play +0.74

Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted -0.06/bd

Card play — on target: opening leads 75.0% #222 of 476 · declarer play 100.0% #1 of 478 · defence 83.3% #317 of 478

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (6)70.0% (10)
Declarer play100.0% (5)100.0% (5)
Defence100.0% (13)70.6% (17)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 66.7% (6) · ♦ 100.0% (3) · ♣ 66.7% (3)

vs par by strain: NT +2.45 (20) · a suit -1.37 (30)

vs par by level: part-score +0.15 (20) · game +0.17 (29) · slam +0.00 (1)

By role: declaring +0.52/bd (-1.15 vs par · 20) · defending -0.33/bd (+1.03 vs par · 30)

By vulnerability: vulnerable +0.33/bd (+0.74 vs par · 23) · not vulnerable -0.26/bd (-0.33 vs par · 27)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.KuangT.Forrester – C.LorenziniClosed10-13.7-1.37-3.20
Round 2Y.KuangA.Rosenthal – A.SilversteinClosed10+25.0+2.50+2.10
Round 3Y.KuangK.Castner – S.SkorchevOpen10+1.7+0.17+0.50
Round 8Y.KuangY.Chen – J.ZhaoClosed10-1.2-0.12+2.00
Round 9Y.KuangS.Auken – R.WellandClosed10-11.3-1.13-0.60

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
+12.8Round 2ROSENTHAL192♥x♣7-4+5
+6.6Round 3HATTIE63NT♦3-3+9
+5.8Round 1FROGS95♦x♣4=+4
+5.4Round 8CHINA OPEN 273NT♥10-1+12
+4.9Round 2ROSENTHAL111NTx♥A+1+4
+3.8Round 1FROGS12♦♣6-1+5
+2.9Round 2ROSENTHAL143♥♣K-2+0
+2.8Round 9MUNICH SPURS143♠♦2=+0
+2.7Round 2ROSENTHAL202♠♥A+1+1
+1.9Round 1FROGS22♥♦10+1+0
+1.9Round 3HATTIE12NT♣4=+0
+1.8Round 2ROSENTHAL173NT♠7+1+0
+1.8Round 9MUNICH SPURS133NT♣9+2+0
+1.6Round 8CHINA OPEN 233NT♦10-1+12
+1.6Round 8CHINA OPEN 2103NT♠9-1+0
+1.5Round 2ROSENTHAL164♠♦A+1+11
+1.3Round 1FROGS104♥♣J+2+1
+0.9Round 3HATTIE75♣♠J=+1
+0.9Round 8CHINA OPEN 253NT♥K=-2
+0.7Round 2ROSENTHAL134♥♠8+1+0
+0.5Round 8CHINA OPEN 263NT♠A=+0
+0.2Round 9MUNICH SPURS193♦♠2+1-1
+0.0Round 1FROGS52♦♦4-1-5
+0.0Round 3HATTIE42♦♥A-1+0
+0.0Round 3HATTIE53♦♥3-1-2
+0.0Round 3HATTIE93NT♥9=+1
-0.1Round 2ROSENTHAL183NT♠J+1+0
-0.1Round 3HATTIE104♥♣Q-2+8
-0.1Round 9MUNICH SPURS203NT♥4+2+13
-0.7Round 8CHINA OPEN 292♠♣6+1+0
-0.8Round 9MUNICH SPURS175♣x♥A-2-4
-1.0Round 2ROSENTHAL122♥♣Q+1+0
-1.2Round 2ROSENTHAL155♠x♥K-1+0
-1.2Round 8CHINA OPEN 221NT♥6+2+6
-1.2Round 8CHINA OPEN 282♠♣3+1+0
-1.4Round 9MUNICH SPURS126NT♥5=+0
-1.6Round 3HATTIE84♠♣Q-1-4
-2.2Round 3HATTIE32NT♥4-2+1
-2.5Round 1FROGS73NT♠5=+0
-2.8Round 9MUNICH SPURS113NT♠9+1+0
-3.1Round 9MUNICH SPURS183♠♥4+1-1
-3.6Round 1FROGS63NT♣8+1+0
-3.7Round 8CHINA OPEN 243♥♥A+1-1
-3.7Round 9MUNICH SPURS165♠x♥2-3-7
-3.8Round 3HATTIE24♠♣K-1-9
-4.2Round 1FROGS83♦♣5-1-9
-4.2Round 9MUNICH SPURS155♥x♠A-1-6
-4.4Round 8CHINA OPEN 213NT♠8+1-7
-7.1Round 1FROGS34♥♦2+2-14
-9.1Round 1FROGS44♥x♦K-1-14