YONG Ding · ZHANG

559rank
-16.4Butler · 50 bds
-0.33per board
±4.0swing
-0.74vs par /bd
-0.31adjusted /bd
Butler per round: -22.3 3 -11.8 5.7 9by round

vs par split: bidding +0.06 · play -0.41

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted -0.31/bd

Card play — on target: opening leads 87.5% · declarer play 60.0% · defence 84.2%

Card play by contract type — on target
vs NTvs a suit
Opening leads·87.5% (8)
Declarer play·60.0% (5)
Defence·84.2% (19)

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

vs par by strain: a suit -0.34 (32)

vs par by level: part-score -1.06 (17) · game +0.47 (15)

By role: declaring +0.23/bd (-2.00 vs par · 23) · defending -0.80/bd (+0.33 vs par · 27)

By vulnerability: vulnerable -0.30/bd (-0.20 vs par · 30) · not vulnerable -0.38/bd (-1.55 vs par · 20)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3R.RongM.Naniwada – M.NaniwadaClosed10-22.3-2.23-1.30
Round 5R.ZhangG.Chagas – M.Villas-BoasOpen10+3.0+0.30-0.30
Round 8R.ZhangP.Correa – L.PainOpen10-11.8-1.18-1.80
Round 9R.ZhangY.Bi – J.GuOpen10+5.7+0.57+0.00
Round 10R.ZhangG.Zhang – J.WengOpen10+9.0+0.90-0.30

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
+8.9Round 5HUSSEIN-CHAGAS183N♥A-5+8
+8.0Round 9SHNT CLUB294♠x♥K-2+9
+7.1Round 9SHNT CLUB224♠♣3=+5
+6.5Round 3NANIWADA303N♣9-1+12
+5.2Round 10SII-06 STAR94♥♠2=+8
+4.2Round 9SHNT CLUB271♦x♠K=+7
+3.5Round 10SII-06 STAR25♦♦7=+0
+2.9Round 10SII-06 STAR11N♠9=+0
+2.5Round 5HUSSEIN-CHAGAS194♣♦2=+1
+2.2Round 3NANIWADA242♣♥10-1+3
+2.2Round 5HUSSEIN-CHAGAS122♦x♣K-1+2
+2.2Round 9SHNT CLUB254♠♥Q-3+0
+1.4Round 8MANT192♠♥K-1-2
+1.2Round 5HUSSEIN-CHAGAS113♣♠9-2+5
+1.2Round 10SII-06 STAR32♥♥3+2+1
+1.0Round 8MANT143♠♥A-2+0
+1.0Round 9SHNT CLUB243N♦3+1-5
+0.9Round 8MANT134♠♥3+2+7
+0.7Round 5HUSSEIN-CHAGAS143N♠Q-1+2
+0.6Round 8MANT173N♥7=-6
+0.5Round 3NANIWADA295♦♠10=-2
+0.3Round 3NANIWADA212N♣10=+1
+0.2Round 9SHNT CLUB231N♥3+1+0
+0.2Round 10SII-06 STAR71N♦9=+9
-0.0Round 10SII-06 STAR102♠♣5=+0
-0.2Round 10SII-06 STAR53N♦2+3-10
-0.4Round 9SHNT CLUB285♦♠K+1+5
-0.5Round 3NANIWADA274♠♠3-2+1
-0.5Round 10SII-06 STAR64♠♣K=+0
-0.6Round 5HUSSEIN-CHAGAS204♠♣K=+1
-0.8Round 5HUSSEIN-CHAGAS162♣♠A-2-1
-0.9Round 8MANT152♠♠J=+1
-1.0Round 10SII-06 STAR42♠♦6-1-5
-1.1Round 8MANT162♠♥A+1+0
-1.4Round 5HUSSEIN-CHAGAS171N♠3-1-4
-1.7Round 3NANIWADA223N♣8+2+4
-2.3Round 10SII-06 STAR81♠♣J+2-6
-2.4Round 8MANT182♠♥3-1-4
-2.6Round 8MANT204♠♣2=+0
-2.7Round 5HUSSEIN-CHAGAS155♦♦J+1-11
-3.1Round 9SHNT CLUB264♠♠J-1-6
-3.4Round 8MANT123N♣10-2-6
-3.7Round 9SHNT CLUB213N♣7=-5
-5.3Round 8MANT113N♥3-1-8
-6.3Round 3NANIWADA283N♥Q+1-5
-6.5Round 3NANIWADA253N♠7-2-7
-7.0Round 5HUSSEIN-CHAGAS133N♥K+3-6
-7.6Round 3NANIWADA233♥♣A-2-10
-9.2Round 3NANIWADA263♦♣K+1-10
-9.8Round 9SHNT CLUB304♠x♠J=-10