XIE Qiang · KALAJUN-XINJIANG

295rank
-67.6Butler · 28 bds
-2.41per board
±5.8swing
-1.64vs par /bd · #257/277
-2.64adjusted /bd
Butler per round: 16.5 -24 -9 -51.1by round

vs par split: bidding +0.11 · play -1.75

Strength of schedule: opponents averaged -0.22/bd (an easy draw) → opponent-adjusted -2.64/bd

Card play — on target: opening leads 85.7% #73 of 277 · declarer play 87.5% #60 of 277 · defence 53.3% #277 of 277

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (4)66.7% (3)
Declarer play75.0% (4)100.0% (4)
Defence28.6% (7)75.0% (8)

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

vs par by strain: NT -4.09 (11) · a suit -0.06 (17)

vs par by level: part-score +0.25 (12) · game -3.64 (14) · slam +1.00 (2)

By role: declaring -1.05/bd (-1.92 vs par · 13) · defending -3.60/bd (-1.40 vs par · 15)

By vulnerability: vulnerable -1.63/bd (-3.38 vs par · 13) · not vulnerable -3.09/bd (-0.13 vs par · 15)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.YangY.Wang – H.LiuClosed7+16.5+2.36+2.57
Round 4W.HuangW.Gawel – R.JagniewskiOpen7-24.0-3.43-1.43
Round 7W.HuangB.Chmurski – I.ChalupecClosed7-9.0-1.29+0.00
Round 8W.HuangY.Wu – G.BilalClosed7-51.1-7.30-7.71

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
+8.9Round 7BRIDGE24 B164♠♥Q=+11
+8.2Round 1BLACK EARTH GOD DUCK BRIDGE CL24♥♦Q+1+0
+5.2Round 1BLACK EARTH GOD DUCK BRIDGE CL52♠♥A=+6
+5.2Round 1BLACK EARTH GOD DUCK BRIDGE CL73♥♦K=+7
+3.0Round 1BLACK EARTH GOD DUCK BRIDGE CL32♠♣K=+6
+2.4Round 7BRIDGE24 B216NT♥10=+0
+1.6Round 7BRIDGE24 B203♥♠3-1+0
+1.4Round 4BRIDGE 24233♣♥5+1+0
+1.2Round 1BLACK EARTH GOD DUCK BRIDGE CL61NT♥4=+11
+0.2Round 4BRIDGE 24253NT♠Q=+0
-0.2Round 4BRIDGE 24261NT♠7=-1
-1.1Round 4BRIDGE 24274♠♣7+2+11
-1.1Round 7BRIDGE24 B174♥♦7-2-7
-3.1Round 1BLACK EARTH GOD DUCK BRIDGE CL41NT♣A=-12
-3.2Round 1BLACK EARTH GOD DUCK BRIDGE CL13NT♦9+1+0
-3.2Round 4BRIDGE 24243♣♥2-3-2
-3.4Round 7BRIDGE24 B191♠♣8=-5
-3.5Round 8BILAL272♠♣8+2-6
-4.0Round 8BILAL222♠♥Q+1-1
-4.9Round 8BILAL254♥x♣A-1-6
-6.9Round 4BRIDGE 24223NT♠5+2-2
-7.9Round 8BILAL243NT♦5+1-7
-8.0Round 7BRIDGE24 B186♦♠A=+2
-9.2Round 8BILAL263NT♥5-1-12
-9.4Round 7BRIDGE24 B154♠♥4+1-1
-10.3Round 8BILAL233NT♥3=-10
-11.3Round 8BILAL283NT♦J-1-12
-14.2Round 4BRIDGE 24285♦x♣7-3-16