TANG Difei · INNER MONGOLIA JUNZHENG

270rank
-54.2Butler · 56 bds
-0.97per board
±4.6swing
-0.48vs par /bd · #185/277
-1.13adjusted /bd
Butler per round: -1.1 -0.2 -4.5 16.2 -26.2 -24.4 -1.4 -12.6by round

vs par split: bidding +0.94 · play -1.33

Strength of schedule: opponents averaged -0.16/bd (an easy draw) → opponent-adjusted -1.13/bd

Card play — on target: opening leads 81.8% #99 of 277 · declarer play 78.6% #123 of 277 · defence 81.5% #164 of 277

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (4)100.0% (7)
Declarer play100.0% (6)62.5% (8)
Defence71.4% (7)85.0% (20)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 66.7% (3) · ♦ 100.0% (1) · ♣ 100.0% (1)

vs par by strain: NT -0.26 (19) · a suit -0.46 (35)

vs par by level: part-score +2.80 (20) · game -2.89 (28) · slam +0.67 (6)

By role: declaring -0.78/bd (-2.79 vs par · 28) · defending -1.16/bd (+1.82 vs par · 28)

By vulnerability: vulnerable -1.24/bd (-0.29 vs par · 28) · not vulnerable -0.70/bd (-0.68 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.DuP.Weinstock – R.MihaiClosed7-1.1-0.16+0.14
Round 2J.DuG.Bilski – R.SpeiserOpen7-0.2-0.03+3.29
Round 3J.DuA.Kanetkar – D.BeauchampOpen7-4.5-0.64+0.86
Round 4J.DuX.Li – Q.WuOpen7+16.2+2.31+0.71
Round 5J.DuJ.Jin – J.WeiOpen7-26.2-3.74-2.86
Round 6J.DuT.Sielicki – P.TuczynskiOpen7-24.4-3.49-4.57
Round 7J.DuL.Gao – X.LiClosed7-1.4-0.20+0.43
Round 8J.DuX.Feng – L.GuClosed7-12.6-1.80-1.86

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
+9.4Round 7BEIJIING TAILI KANGXIN192♥x♠3-3+9
+6.3Round 3AUSCROWAL195♦♠2-1+3
+5.9Round 2BILSKI103♥♠2+1+8
+5.7Round 4BEYOND223NT♦2=+0
+5.0Round 2BILSKI112NT♦2-1+4
+4.7Round 1WEINSTOCK54♠♠2-3+4
+4.7Round 4BEYOND262NT♠2-1+5
+4.4Round 7BEIJIING TAILI KANGXIN185♦♥6+1+13
+3.8Round 2BILSKI143NT♥2-2+5
+3.5Round 4BEYOND283♠x♦K-1+9
+3.1Round 1WEINSTOCK41NT♣A=+12
+2.5Round 1WEINSTOCK13NT♦10=-1
+2.5Round 3AUSCROWAL174♠♣2-1+8
+2.5Round 4BEYOND241NT♥4+1+1
+2.4Round 7BEIJIING TAILI KANGXIN216♠♥2=+0
+2.1Round 6BRIDGE24 B113♣♥2=+0
+1.8Round 5JILINSHENGQIAOPAIXIEHUI33NT♦J=+0
+1.5Round 8CHANGYU223♣♠A-1-2
+1.4Round 1WEINSTOCK22♥♣J+3+10
+1.3Round 6BRIDGE24 B9Adj.♦3-3
+1.2Round 5JILINSHENGQIAOPAIXIEHUI22♠♥K+1+0
+0.8Round 4BEYOND253NT♥A+1+1
+0.7Round 3AUSCROWAL211NT♥2+2+10
+0.6Round 3AUSCROWAL154♥♠2+2-11
+0.4Round 4BEYOND274♠♥6+1-11
-0.2Round 8CHANGYU252♥♠A=+1
-0.7Round 5JILINSHENGQIAOPAIXIEHUI66♠♦3=+11
-0.8Round 8CHANGYU284♠♣7=-3
-0.9Round 2BILSKI81NT♠2=+1
-0.9Round 3AUSCROWAL163♥♣6=+7
-0.9Round 7BEIJIING TAILI KANGXIN20Pass-3
-1.1Round 7BEIJIING TAILI KANGXIN174♥♦7-2-7
-1.4Round 4BEYOND233♣♠6+1+0
-1.8Round 6BRIDGE24 B125♥♠8=+0
-2.3Round 3AUSCROWAL202NT♦2+1+1
-2.6Round 8CHANGYU243NT♥7-1-5
-2.9Round 8CHANGYU274♠♦Q=+0
-3.0Round 1WEINSTOCK33NT♠5-1-6
-3.0Round 2BILSKI124♦♣2-3-2
-3.4Round 8CHANGYU233NT♥3-1-5
-3.6Round 5JILINSHENGQIAOPAIXIEHUI54♠♠2-1-10
-3.9Round 6BRIDGE24 B82NT♠K-3-6
-4.0Round 2BILSKI94♠♦Q-1-6
-4.2Round 8CHANGYU263NT♥6=+1
-4.3Round 1WEINSTOCK74♠♥6-1-6
-4.7Round 5JILINSHENGQIAOPAIXIEHUI76♥♠A=+0
-5.5Round 1WEINSTOCK62NT♥4-1-12
-5.7Round 6BRIDGE24 B144♠♠4-2-5
-6.2Round 6BRIDGE24 B134♠♥J-2-7
-7.0Round 2BILSKI136♠♥2+1+13
-7.1Round 7BEIJIING TAILI KANGXIN166♠♦Q-3-9
-8.5Round 7BEIJIING TAILI KANGXIN154♥♦3=+0
-9.1Round 5JILINSHENGQIAOPAIXIEHUI44♠♣9=-10
-10.2Round 6BRIDGE24 B103NT♠5+1-11
-11.1Round 5JILINSHENGQIAOPAIXIEHUI16♥♠K=-11
-11.4Round 3AUSCROWAL184♥♠2=-12