XIONG Boyuan · SYNREY RDFZ

13rank
+35.5Butler · 50 bds
+0.71per board
±4.5swing
+1.06vs par /bd · #11/76
+0.79adjusted /bd
Butler per round: 15.8 0.5 21.5 5.3 -7.6by round

vs par split: bidding +0.90 · play +0.16

Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted +0.79/bd

Card play — on target: opening leads 81.8% #29 of 75 · declarer play 50.0% #70 of 75 · defence 76.0% #54 of 76

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (5)83.3% (6)
Declarer play33.3% (3)57.1% (7)
Defence66.7% (9)81.2% (16)

Opening leads by suit led: ♠ 100.0% (6) · ♦ 66.7% (3) · ♣ 50.0% (2)

vs par by strain: NT +2.29 (17) · a suit +0.42 (33)

vs par by level: part-score +0.94 (16) · game +1.77 (31) · slam -5.67 (3)

By role: declaring +0.45/bd (-0.44 vs par · 25) · defending +0.97/bd (+2.56 vs par · 25)

By vulnerability: vulnerable +1.10/bd (+2.48 vs par · 23) · not vulnerable +0.38/bd (-0.15 vs par · 27)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2Y.ZhouY.Ding – T.QinClosed10+15.8+1.58+1.90
Round 3Y.ZhouDAS SHOUVIK – KUSHARI SAYANTANOpen10+0.5+0.05+0.70
Round 5Y.ZhouA.Naser – M.TharwatOpen10+21.5+2.15+4.10
Round 7Y.ZhouF.Weiss – S.VeljaClosed10+5.3+0.53+1.40
Round 8Y.ZhouM.Alishaw – S.KennedyClosed10-7.6-0.76-2.80

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
+13.5Round 2CUST163♣x♦A-7-11
+9.1Round 5EGYPT184♠♣A=+11
+6.5Round 8NORTON123NT♠5-3+9
+6.4Round 2CUST203♥♦K-1+12
+5.7Round 2CUST125♥♦K=+10
+5.7Round 7SRBIJA VAJS44♥♠A-1+12
+4.5Round 5EGYPT143NT♦2=+3
+4.3Round 3INDIA273NT♠Q+1+0
+4.3Round 8NORTON146♥♦Q=+5
+4.1Round 8NORTON162♣♣4-4+2
+3.9Round 7SRBIJA VAJS94♥♣6+1+4
+3.7Round 7SRBIJA VAJS33NT♣Q-3+11
+3.1Round 5EGYPT201NT♣8-1+11
+2.7Round 5EGYPT134♠♦A=+0
+2.7Round 7SRBIJA VAJS16♠♦10=-11
+2.3Round 3INDIA293♠x♣Q-1+8
+2.3Round 8NORTON184♥♦K+2+1
+2.2Round 3INDIA234♥♦2-1+6
+2.1Round 5EGYPT173NT♣2-1+10
+1.9Round 5EGYPT162♠♦2=+5
+1.7Round 2CUST184♥♣8=+7
+1.7Round 8NORTON204♥♠K=-1
+1.6Round 3INDIA265♣♠A=+1
+1.3Round 5EGYPT122♠♣A=+1
+1.1Round 3INDIA214♠♦2-1+2
+0.7Round 3INDIA305♥♦A-1+2
+0.7Round 5EGYPT154♥♣2+1+0
+0.5Round 5EGYPT111NT♠2=+0
+0.5Round 7SRBIJA VAJS54♠♥2=+1
+0.5Round 7SRBIJA VAJS63NT♣2+2+1
+0.4Round 2CUST175♠♥A=+0
+0.3Round 8NORTON153NT♠J+1-10
-0.0Round 2CUST153NT♠6=+1
-0.0Round 7SRBIJA VAJS103NT♠10=+0
-0.9Round 2CUST193NT♣4=+11
-0.9Round 3INDIA253♦♠5+2-1
-1.0Round 3INDIA225♣♦10=+2
-1.0Round 7SRBIJA VAJS81NT♠5+1+0
-1.2Round 3INDIA241NT♥8-1-2
-1.3Round 8NORTON133♦♥5+1-10
-2.0Round 2CUST113♠♥4=-6
-4.3Round 2CUST144♠♣6-2-5
-4.4Round 5EGYPT193♠♦2=+0
-4.7Round 2CUST133NT♠8+1+0
-4.7Round 7SRBIJA VAJS24♥♥7-1-10
-4.8Round 8NORTON113♣♥K+1+0
-6.0Round 7SRBIJA VAJS71NT♥5-4+6
-8.6Round 3INDIA286♣♥J-1-11
-8.9Round 8NORTON194♥♦4-2-12
-11.8Round 8NORTON173NTx♠7=-12