ZHENG Jiangping · XBA

87rank
-29.4Butler · 42 bds
-0.70per board
±4.7swing
-1.55vs par /bd
-0.76adjusted /bd
Butler per round: 15.2 -44.6 -44.6by round

vs par split: bidding -1.90 · play +0.36

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted -0.76/bd

Card play — on target: opening leads 62.5% · declarer play 76.9% · defence 100.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)50.0% (4)
Declarer play75.0% (4)77.8% (9)
Defence100.0% (6)100.0% (9)

Opening leads by suit led: ♠ 0.0% (1) · ♥ 75.0% (4) · ♦ 66.7% (3)

vs par by strain: NT -0.85 (13) · a suit -1.86 (29)

vs par by level: part-score -0.73 (15) · game -1.13 (23) · slam -7.00 (4)

By role: declaring -1.01/bd (-3.22 vs par · 27) · defending -0.14/bd (+1.47 vs par · 15)

By vulnerability: vulnerable -0.99/bd (-2.00 vs par · 21) · not vulnerable -0.41/bd (-1.09 vs par · 21)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32L.HongF.Fantoni – D.ComptonOpen14+15.2+1.09+1.07
Round of 16L.HongW.Gawel – G.BrewiakOpen14-29.6-2.11-2.00
Round of 16L.HongW.Gawel – G.BrewiakOpen14-15.0-1.07-3.71

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
+13.9Round of 32NUNES224♥♦Q+1+14
+8.0Round of 32NUNES173NT♥10-2+11
+6.0Round of 16ROSSARD172♥♣3+2+6
+5.8Round of 32NUNES273NT♣6=+7
+5.5Round of 32NUNES205♦x♠K-2+12
+4.5Round of 16ROSSARD231NTx♣3-1+2
+3.9Round of 16ROSSARD141♠♦2=+5
+3.5Round of 16ROSSARD63♠♥2-1+4
+1.9Round of 32NUNES252♥♦K+2+7
+1.8Round of 32NUNES155♦♥K+2+1
+1.4Round of 16ROSSARD23♣♦A-1+1
+1.3Round of 16ROSSARD286♠♦J+1-11
+1.2Round of 16ROSSARD266♥♠A-2+0
+0.9Round of 16ROSSARD242♣♦2-1+5
+0.8Round of 32NUNES234♥♥2+1+0
-0.0Round of 32NUNES184♠♦8=+0
-0.1Round of 16ROSSARD133NT♦K=+0
-0.2Round of 16ROSSARD13♦♠J-2-5
-0.2Round of 16ROSSARD83NT♥9+3+11
-0.3Round of 16ROSSARD251NT♠7+1+0
-0.4Round of 16ROSSARD103NT♠8+3-12
-0.7Round of 16ROSSARD212♥♦7=-7
-1.0Round of 32NUNES192♠♠2+1-1
-1.0Round of 32NUNES283♥♣A=-7
-1.1Round of 16ROSSARD273NT♦9+1+0
-2.2Round of 16ROSSARD73♣♥3+1-1
-2.3Round of 16ROSSARD113NT♥7-1+2
-2.8Round of 16ROSSARD124♥♠A-1+2
-2.8Round of 16ROSSARD193NT♠4-1-12
-2.9Round of 32NUNES263NT♠2+2+0
-3.0Round of 32NUNES214♠♥2+2-11
-3.8Round of 16ROSSARD184♠♦3-1-5
-4.1Round of 16ROSSARD163♣♦Q-1-5
-4.3Round of 16ROSSARD223NT♥5-2-8
-4.4Round of 16ROSSARD33NT♠J-1-12
-4.6Round of 16ROSSARD95♦x♦9-1+0
-4.9Round of 16ROSSARD154♥♦7-1-10
-6.7Round of 32NUNES164♠♣6-2-8
-6.9Round of 16ROSSARD206♠x♣10-2-7
-7.9Round of 32NUNES246♠♥3-1-10
-9.9Round of 16ROSSARD55♠x♦3=-8
-11.3Round of 16ROSSARD42♥x♠2=-15