GU Yifei · SHANGHAI YOUTH 4

755rank
-132.8Butler · 100 bds
-1.33per board
±4.1swing
-1.51vs par /bd · #666/672
-1.34adjusted /bd
Butler per round: -14.6 -3 -17.6 -22.7 -17.2 -21.9 -26 -4.2 7.3 -12.9by round

vs par split: bidding -0.46 · play -1.11

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted -1.34/bd

Card play — on target: opening leads 87.5% #162 of 671 · declarer play 46.7% #667 of 671 · defence 84.2% #372 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·87.5% (16)
Declarer play·46.7% (15)
Defence·84.2% (38)

Opening leads by suit led: ♠ 100.0% (5) · ♥ 100.0% (2) · ♦ 80.0% (5) · ♣ 75.0% (4)

vs par by strain: a suit -1.58 (71)

vs par by level: part-score -1.59 (29) · game -1.11 (35) · slam -3.86 (7)

By role: declaring -1.20/bd (-3.53 vs par · 51) · defending -1.46/bd (+0.59 vs par · 49)

By vulnerability: vulnerable -1.23/bd (-1.07 vs par · 56) · not vulnerable -1.45/bd (-2.07 vs par · 44)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2L.ChenY.Qi – Q.YangClosed10-14.6-1.46+1.80
Round 3L.ChenA.Kowalski – P.TuszynskiOpen10-3.0-0.30-1.80
Round 5L.ChenB.Yuan – J.LuOpen10-17.6-1.76-0.90
Round 6C.HuX.Zhang – Z.HuClosed10-22.7-2.27-3.30
Round 7H.LiA.Haitani – A.KustrijantoOpen10-17.2-1.72-2.80
Round 8L.ChenK.Shimamura – T.HigashiguchiOpen10-21.9-2.19-2.90
Round 9H.LiZ.Zhu – X.PanClosed10-26.0-2.60-3.50
Round 11L.ChenJ.Shen – J.ZhouClosed10-4.2-0.42+0.70
Round 12L.ChenA.Weber – A.DelorenzoClosed10+7.3+0.73+1.80
Round 13L.ChenL.Shen – L.WangClosed10-12.9-1.29-4.20

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
+10.6Round 3ROSSARSKI296♦♥Q-1+13
+9.7Round 13QING HAI16♠♠4-2+11
+7.8Round 5TAICANG BA133Nx♠2=+8
+6.9Round 13QING HAI105♦♣A-2+8
+6.3Round 3ROSSARSKI283N♠4+1+5
+6.3Round 12ANDREW214♥♦6=+8
+6.1Round 11SH PANYU MIDDLE SCHOOL132♥♣3-2+7
+5.1Round 11SH PANYU MIDDLE SCHOOL165♠♣9+1+1
+3.9Round 2YANG JING145♦♠3+2+18
+3.2Round 12ANDREW262♥♣A+1+0
+3.1Round 12ANDREW283♠♦K=+7
+2.8Round 2YANG JING124♥♦J-1+5
+2.7Round 8FAIRY TALE193♦♥K-2+0
+2.3Round 5TAICANG BA162♣♦K-1+3
+2.3Round 5TAICANG BA184♠♣3-1+5
+1.6Round 2YANG JING184♠♥A-1+4
+1.6Round 11SH PANYU MIDDLE SCHOOL123♠♣7=+10
+1.5Round 8FAIRY TALE173N♥7+1-5
+1.4Round 2YANG JING173♣♠J+2+8
+1.3Round 6ANHUI231N♦5+3+1
+1.3Round 11SH PANYU MIDDLE SCHOOL172♠♣J-1+4
+1.2Round 11SH PANYU MIDDLE SCHOOL194♠♣J+1+1
+1.0Round 8FAIRY TALE181N♣4=-1
+1.0Round 12ANDREW241♥♦A-1-5
+0.9Round 7DJARUM BLACK65♥♥6=+0
+0.9Round 8FAIRY TALE134♠♦7+2+7
+0.9Round 9WEIYU JUNIOR MIDDLE SCHOOL244♥♦4=-5
+0.9Round 13QING HAI53N♠2+2-12
+0.8Round 7DJARUM BLACK43N♥K+2+0
+0.8Round 12ANDREW253N♥5+2+6
+0.7Round 2YANG JING203N♠4+2+13
+0.7Round 3ROSSARSKI223N♦8+1-5
+0.6Round 5TAICANG BA204♠♣K=-1
+0.5Round 12ANDREW233N♠A-1+6
+0.4Round 6ANHUI303N♠2-1+5
+0.2Round 9WEIYU JUNIOR MIDDLE SCHOOL231N♠7+1+0
+0.1Round 7DJARUM BLACK14♥♠5=+1
+0.1Round 11SH PANYU MIDDLE SCHOOL203N♠5+3+13
-0.0Round 3ROSSARSKI251N♠8=+0
+0.0Round 6ANHUI283N♠2+2+0
-0.2Round 6ANHUI274♥♦K-1-5
-0.3Round 3ROSSARSKI212N♣10=-1
-0.3Round 7DJARUM BLACK102♠♦K=-1
-0.4Round 9WEIYU JUNIOR MIDDLE SCHOOL285♦♠A+1+5
-0.8Round 7DJARUM BLACK55♦♣K-1-3
-0.8Round 12ANDREW224♣♥A=+0
-1.1Round 8FAIRY TALE162♠♥A+1+0
-1.1Round 13QING HAI33N♥2=-2
-1.3Round 5TAICANG BA112♠♥6=-5
-1.3Round 12ANDREW304♥♦A-1-5
-1.3Round 13QING HAI74♥♦A+1+0
-1.6Round 11SH PANYU MIDDLE SCHOOL184♣♠3-1-4
-1.8Round 6ANHUI243N♠J-1-5
-1.8Round 6ANHUI293♣♥J-2-2
-1.8Round 7DJARUM BLACK32♦♣5-1-10
-1.8Round 7DJARUM BLACK94♥♥10+3+10
-1.9Round 2YANG JING111N♥4+1+0
-1.9Round 7DJARUM BLACK73♠♦K-1-6
-2.2Round 3ROSSARSKI242♣♦2-1-3
-2.2Round 12ANDREW274♥♦Q=+6
-2.3Round 3ROSSARSKI234♠♦J+1+0
-2.3Round 9WEIYU JUNIOR MIDDLE SCHOOL253N♠7-1-6
-2.5Round 9WEIYU JUNIOR MIDDLE SCHOOL222♠♦6+2-6
-2.6Round 2YANG JING162♣♠9-1-4
-2.6Round 5TAICANG BA172♠♦10-2+0
-2.6Round 8FAIRY TALE204♠♦J=+0
-2.6Round 9WEIYU JUNIOR MIDDLE SCHOOL273♠♦9=+0
-3.1Round 9WEIYU JUNIOR MIDDLE SCHOOL264♠♠4-1-6
-3.3Round 11SH PANYU MIDDLE SCHOOL113♦♥2+2-7
-3.3Round 12ANDREW292♥♠A-1-5
-3.4Round 2YANG JING193N♠6-1-5
-3.6Round 13QING HAI44♠♥2=+1
-3.7Round 9WEIYU JUNIOR MIDDLE SCHOOL213N♦J=-5
-3.9Round 13QING HAI95♥x♠K-4-4
-4.2Round 3ROSSARSKI265♣♦A+1-8
-4.2Round 5TAICANG BA141N♠6=-5
-4.2Round 8FAIRY TALE141N♠2=-5
-4.5Round 5TAICANG BA122♥♥5-3-5
-4.5Round 8FAIRY TALE123N♦4-3-7
-4.5Round 13QING HAI66♣♠J-1-14
-4.6Round 11SH PANYU MIDDLE SCHOOL153♣♦A+1-1
-4.7Round 7DJARUM BLACK22♠♣A+1-6
-4.7Round 9WEIYU JUNIOR MIDDLE SCHOOL291N♣7=-5
-4.8Round 6ANHUI224♠♦A-1+0
-5.0Round 6ANHUI254♥♦8-2-8
-5.1Round 3ROSSARSKI273♠♥A+1-7
-5.3Round 6ANHUI216♥♣A-1-11
-5.3Round 8FAIRY TALE114♠♣A-1-8
-5.5Round 6ANHUI264♦x♠Q-3-8
-6.2Round 2YANG JING131N♣2-3-10
-6.5Round 3ROSSARSKI305♣♦J-1-12
-6.8Round 13QING HAI86♠♠3-1-17
-6.9Round 5TAICANG BA156♦♠J+1+2
-7.7Round 7DJARUM BLACK84♠♣J+1-13
-7.8Round 9WEIYU JUNIOR MIDDLE SCHOOL304♠♣K+1-7
-9.2Round 13QING HAI24♥♠2-1-13
-10.1Round 11SH PANYU MIDDLE SCHOOL141N♠4+4-17
-10.3Round 8FAIRY TALE154♥♣6=-10
-10.9Round 2YANG JING156♥♣10=-11
-11.1Round 5TAICANG BA194♥♠2=-11