ZHAO Yuchen · SX SATURN

31rank
-0.7Butler · 40 bds
-0.02per board
±5.9swing
-0.68vs par /bd · #35/51
-0.37adjusted /bd
Butler per round: -11.1 39 -7.3 -21.3by round

vs par split: bidding -1.12 · play +0.45

Strength of schedule: opponents averaged -0.35/bd (an easy draw) → opponent-adjusted -0.37/bd

Card play — on target: opening leads 75.0% #21 of 51 · declarer play 57.1% #47 of 51 · defence 81.0% #25 of 51

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (4)100.0% (4)
Declarer play50.0% (4)66.7% (3)
Defence100.0% (7)71.4% (14)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 50.0% (2) · ♣ 80.0% (5)

vs par by strain: NT +1.29 (14) · a suit -1.73 (26)

vs par by level: part-score -0.94 (17) · game -2.07 (15) · slam +2.50 (8)

By role: declaring -0.58/bd (-3.10 vs par · 19) · defending +0.49/bd (+1.52 vs par · 21)

By vulnerability: vulnerable +0.41/bd (+0.55 vs par · 20) · not vulnerable -0.45/bd (-1.90 vs par · 20)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 4Y.LuB.Harper – J.SchwartzClosed10-11.1-1.11-0.30
Round 5Y.LuT.Xu – F.YuClosed10+39.0+3.90+2.00
Round 7P.WangQ.Tang – Y.JiangOpen10-7.3-0.73-2.80
Round 9Y.LuC.Ge – Y.LuOpen10-21.3-2.13-1.60

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
+12.3Round 5SX NEBULA234♠♣5+1+4
+11.1Round 5SX NEBULA296NT♣J-3+14
+10.3Round 4USA143NT♣3-4+12
+8.4Round 4USA132♠♥A-2+8
+6.4Round 9SX VENUS136NT♣A-1+13
+6.0Round 5SX NEBULA271NTx♦7=+1
+6.0Round 9SX VENUS176♠♣K-1+11
+5.3Round 5SX NEBULA246♥♣J=+0
+5.1Round 5SX NEBULA223♠♥3-2+6
+5.1Round 5SX NEBULA263♠♦J-1+6
+5.1Round 7SX MERCURY194♥♥3=+0
+5.0Round 7SX MERCURY136♠♥J+1+8
+3.1Round 7SX MERCURY121NT♦A+3+2
+1.3Round 7SX MERCURY153NT♦3+3+2
+1.3Round 9SX VENUS126♦♣5=-2
+0.7Round 4USA161NT♥5-1+0
+0.6Round 7SX MERCURY202♠♣3=+1
+0.4Round 9SX VENUS113NT♣Q=-1
+0.3Round 7SX MERCURY144♠♦7=-11
+0.1Round 4USA173NT♦K+2-1
-0.4Round 5SX NEBULA253NT♥3+2-1
-0.4Round 5SX NEBULA282♥♣Q=+0
-1.1Round 4USA182♥♣5=+0
-1.4Round 5SX NEBULA303NT♥10+1+0
-2.3Round 9SX VENUS164♥♠A+1+4
-2.3Round 9SX VENUS203NT♦10=-13
-2.7Round 7SX MERCURY113♣♥3-2-6
-3.0Round 4USA201NT♣A=+0
-3.0Round 9SX VENUS141♠♦9+2+0
-3.7Round 5SX NEBULA213NT♥3+4-10
-4.6Round 7SX MERCURY173♥♣J-2-5
-4.9Round 4USA123♦♣7=-5
-4.9Round 9SX VENUS193♣♥Q-2-5
-6.0Round 4USA112♦♣4+2-11
-6.3Round 7SX MERCURY166♠♥Q+1-11
-7.7Round 4USA155♦♣K+1-1
-7.9Round 4USA194♥♠K-1-5
-7.9Round 9SX VENUS184♠♥4-3-10
-9.1Round 7SX MERCURY183♥x♣3-3-8
-15.0Round 9SX VENUS156♠x♥4=-13