ZHANG Xuyang · SX JUPITER

30rank

+5.2Butler · 50 bds

+0.10per board

±4.7swing

+0.98vs par /bd · #9/51

-0.22adjusted /bd

by round

vs par split: bidding +1.22 · play -0.24

Strength of schedule: opponents averaged -0.32/bd (an easy draw) → opponent-adjusted -0.22/bd

Card play — on target: opening leads 66.7% #37 of 51 · declarer play 78.6% #28 of 51 · defence 72.4% #35 of 51

Card play by contract type — on target
	vs NT	vs a suit
Opening leads	40.0% (5)	80.0% (10)
Declarer play	100.0% (4)	70.0% (10)
Defence	80.0% (10)	68.4% (19)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 50.0% (6) · ♦ 60.0% (5) · ♣ 100.0% (2)

vs par by strain: NT +0.13 (15) · a suit +1.34 (35)

vs par by level: part-score -0.08 (24) · game +1.95 (21) · slam +2.00 (5)

By role: declaring +0.19/bd (-0.05 vs par · 21) · defending +0.04/bd (+1.72 vs par · 29)

By vulnerability: vulnerable -0.34/bd (+0.80 vs par · 25) · not vulnerable +0.55/bd (+1.16 vs par · 25)

By round↑ top

Round	Partner	Opponents	Room	Bds	Butler	Avg	vs par
Round 1	Y.Liu	C.Ge – J.Sun	Open	10	-0.4	-0.04	+2.60
Round 2	Y.Liu	D.Ocylok – J.Kokot	Open	10	-9.0	-0.90	-0.10
Round 4	Y.Liu	J.Tong – C.Zhou	Open	10	+3.1	+0.31	+0.70
Round 5	Y.Liu	A.Dhir – M.Weingarten	Closed	10	+1.4	+0.14	-1.30
Round 7	Y.Liu	T.Xu – Y.Gao	Open	10	+10.1	+1.01	+3.00

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.

Butler	Round	Opponents	Bd	Contract	Lead	Res	vs par
+10.6	Round 2	POLAND	17	5♦	♠Q	-1	+10
+10.6	Round 4	SX MERCURY	15	4♠x	♣5	+1	+16
+9.6	Round 1	SX VENUS	3	4♥	♠6	+2	+14
+9.3	Round 5	USA	29	6♠	♥K	-2	+13
+7.9	Round 5	USA	21	6NT	♥3	=	+0
+6.3	Round 7	SX NEBULA	16	6♠	♠2	+1	+11
+5.3	Round 1	SX VENUS	7	3NT	♠5	=	+0
+5.3	Round 5	USA	24	6♥	♣J	=	+0
+4.7	Round 4	SX MERCURY	19	4♥	♠K	+1	+7
+2.9	Round 1	SX VENUS	1	2♠	♥J	+1	+0
+2.7	Round 7	SX NEBULA	19	2♥	♦A	+1	+7
+2.6	Round 2	POLAND	14	2♦	♣K	+2	+6
+1.6	Round 4	SX MERCURY	11	4♣	♦K	+1	-7
+1.6	Round 7	SX NEBULA	20	2♠	♥K	+2	+1
+1.4	Round 7	SX NEBULA	14	4♠	♠Q	+2	+11
+0.9	Round 7	SX NEBULA	18	3NT	♥9	+2	+0
+0.7	Round 4	SX MERCURY	16	1NT	♥5	-1	+0
+0.7	Round 7	SX NEBULA	11	2NT	♥8	-1	+5
+0.4	Round 7	SX NEBULA	17	2♠	♥8	-1	+2
+0.3	Round 4	SX MERCURY	13	1NT	♦3	+1	+0
+0.1	Round 1	SX VENUS	5	1NT	♥6	-1	+5
+0.1	Round 4	SX MERCURY	17	3NT	♦K	+2	-1
+0.0	Round 2	POLAND	18	3NT	♠Q	+1	+0
-0.1	Round 2	POLAND	19	3♠	♥K	=	+10
-0.3	Round 2	POLAND	11	1NT	♦10	-1	+2
-0.3	Round 7	SX NEBULA	13	5♠x	♥J	+2	-4
-0.4	Round 5	USA	25	3NT	♥5	+2	-1
-0.4	Round 5	USA	28	2♥	♣Q	=	+0
-0.9	Round 1	SX VENUS	10	5♥	♠4	+1	-1
-1.0	Round 5	USA	26	2♠	♦J	+1	+0
-1.1	Round 2	POLAND	20	2♦	♥K	+1	+0
-1.3	Round 7	SX NEBULA	15	4♠	♥Q	+2	-2
-1.4	Round 5	USA	30	4♠	♣8	=	+0
-1.6	Round 5	USA	27	1NT	♣10	=	-6
-1.7	Round 5	USA	22	2♠	♥3	+1	-1
-2.1	Round 1	SX VENUS	2	3♥	♦10	=	+0
-2.3	Round 7	SX NEBULA	12	1NT	♦K	+2	-1
-2.6	Round 1	SX VENUS	9	4♥x	♦3	-1	+5
-2.6	Round 2	POLAND	13	4♥	♦J	+2	-1
-2.7	Round 1	SX VENUS	4	5♦	♠Q	+1	+10
-3.0	Round 4	SX MERCURY	20	1NT	♣K	=	+0
-3.1	Round 2	POLAND	15	4♥	♠A	+1	-6
-3.4	Round 4	SX MERCURY	18	2♥	♣6	+2	-2
-3.6	Round 4	SX MERCURY	14	3NT	♣10	+1	-1
-4.4	Round 1	SX VENUS	6	3♦	♥5	+2	-10
-4.9	Round 4	SX MERCURY	12	3♠	♣3	-1	-5
-5.6	Round 1	SX VENUS	8	4♠x	♥K	-2	+3
-7.4	Round 2	POLAND	16	6♦	♥K	-2	-14
-7.6	Round 2	POLAND	12	2♦x	♦2	=	-8
-14.6	Round 5	USA	23	5♠x	♥K	-5	-18

Tables

Rounds

ZHANG Xuyang · SX JUPITER

By round↑ top

Every board — best Butler first↑ top