ZHOU Chuanyao · SX MERCURY

47rank
-41.4Butler · 40 bds
-1.03per board
±4.5swing
-1.10vs par /bd · #45/51
-0.80adjusted /bd
Butler per round: -12.3 -3.1 -2 -24by round

vs par split: bidding +0.18 · play -1.23

Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted -0.80/bd

Card play — on target: opening leads 50.0% #49 of 51 · declarer play 57.1% #46 of 51 · defence 68.8% #40 of 51

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (2)50.0% (6)
Declarer play50.0% (10)75.0% (4)
Defence50.0% (4)75.0% (12)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 66.7% (3) · ♦ 0.0% (2) · ♣ 50.0% (2)

vs par by strain: NT -0.55 (20) · a suit -1.58 (19)

vs par by level: part-score -0.94 (18) · game -1.20 (20) · slam +0.00 (1)

By role: declaring -1.53/bd (-2.33 vs par · 24) · defending -0.29/bd (+0.75 vs par · 16)

By vulnerability: vulnerable -1.39/bd (-2.76 vs par · 21) · not vulnerable -0.64/bd (+0.74 vs par · 19)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3J.TongC.Deng – H.LiuClosed10-12.3-1.23-1.20
Round 4J.TongX.Zhang – Y.LiuOpen10-3.1-0.31-0.70
Round 5J.TongA.Zareba – M.SuchodolskaOpen10-2.0-0.20+0.80
Round 8J.TongJ.Xu – J.SunOpen10-24.0-2.40-3.30

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
+14.6Round 5POLAND234♠x♥A-5+18
+8.0Round 3SX STARLORD24♠♣A-1+9
+4.9Round 4SX JUPITER123♠♣3-1+5
+4.1Round 8SX VENUS13NT♠8+2+8
+3.7Round 5POLAND213NT♥3+4+10
+3.6Round 4SX JUPITER143NT♣10+1+1
+3.4Round 4SX JUPITER182♥♣6+2+2
+3.0Round 4SX JUPITER201NT♣K=+0
+2.6Round 5POLAND271NT♦K+1+6
+1.4Round 5POLAND304♠♦3=+0
+1.0Round 3SX STARLORD32NT♥3-2-1
+0.9Round 8SX VENUS84♠♠8-1+5
+0.4Round 5POLAND253NT♥5+2+1
+0.4Round 8SX VENUS63NT♥4=+0
-0.1Round 4SX JUPITER173NT♦K+2+1
-0.3Round 4SX JUPITER131NT♦3+1+0
-0.4Round 3SX STARLORD93NT♥9=-1
-0.7Round 4SX JUPITER161NT♥5-1+0
-1.1Round 3SX STARLORD73NT♦3=-1
-1.6Round 4SX JUPITER114♣♦K+1+7
-1.7Round 8SX VENUS102NT♠10-1+0
-2.4Round 3SX STARLORD104♥♣Q-2-8
-2.7Round 3SX STARLORD83♣♠K-1+2
-3.0Round 5POLAND28Pass-3
-3.3Round 3SX STARLORD42♦♥K+1-6
-3.3Round 8SX VENUS44♥♦5-1-6
-3.4Round 5POLAND222♠♥3-1-5
-3.6Round 3SX STARLORD12NT♣5+1-1
-3.6Round 8SX VENUS54♠♥3+1+0
-3.7Round 3SX STARLORD51NT♥9-2+0
-3.9Round 8SX VENUS73NT♥10-1-12
-4.0Round 8SX VENUS91NT♥8-3-4
-4.1Round 3SX STARLORD62NT♣4-1-5
-4.7Round 4SX JUPITER194♥♠K+1-7
-5.1Round 5POLAND262♠♦J-1-6
-5.3Round 5POLAND246♥♠9=+0
-6.0Round 8SX VENUS33NT♠J-2-13
-6.9Round 8SX VENUS23♠♣K=-11
-7.9Round 5POLAND294♠♥K-1-13
-10.6Round 4SX JUPITER154♠x♣5+1-16