CHEN Xingguo · WONDERS INFO

766rank
-65.3Butler · 40 bds
-1.63per board
±4.9swing
-1.70vs par /bd
-1.48adjusted /bd
Butler per round: -19 -23.8 -19.2 -3.3by round

vs par split: bidding -1.06 · play -1.06

Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted -1.48/bd

Card play — on target: opening leads 100.0% · declarer play 76.9% · defence 71.4%

Card play by contract type — on target
vs NTvs a suit
Opening leads·100.0% (3)
Declarer play·76.9% (13)
Defence·71.4% (14)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (1) · ♣ 100.0% (1)

vs par by strain: a suit -2.13 (31)

vs par by level: part-score -2.67 (12) · game -1.47 (17) · slam -4.50 (2)

By role: declaring -1.22/bd (-3.95 vs par · 20) · defending -2.05/bd (+0.55 vs par · 20)

By vulnerability: vulnerable -2.33/bd (-2.67 vs par · 24) · not vulnerable -0.58/bd (-0.25 vs par · 16)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3H.YuD.Ackerley – S.SmithOpen10-19.0-1.90-0.60
Round 6Y.ShiG.Matushko – J.KhokhlovOpen10-23.8-2.38-3.70
Round 7Z.ChenH.Li – J.LvClosed10-19.2-1.92-2.70
Round 11Z.ChenH.Li – R.WangOpen10-3.3-0.33+0.20

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
+8.7Round 7NINGBOYONGGUAN85♦x♥7=+6
+8.7Round 11TRIJET123N♥3-2+13
+8.2Round 3GRANT283N♦6-2+12
+4.7Round 11TRIJET164♠♣9+1+0
+4.5Round 11TRIJET183♠♦6-2+3
+3.3Round 6MOSCOW253♥♥5=+0
+2.3Round 3GRANT234♠♥10+1+0
+1.3Round 11TRIJET172♠♣Q-1+4
+1.2Round 11TRIJET194♠♣J+1+1
+0.5Round 3GRANT295♦♥3=-2
+0.1Round 6MOSCOW294♦♠6=+0
+0.1Round 7NINGBOYONGGUAN32♥♦5=-9
+0.0Round 6MOSCOW222♣♠3-2+5
+0.0Round 6MOSCOW283N♥10+2+0
-0.1Round 7NINGBOYONGGUAN64♥♣3=-1
-0.2Round 6MOSCOW274♥♦Q-1-5
-0.2Round 7NINGBOYONGGUAN44♥♠3=-1
-0.5Round 3GRANT212♠♥Q+1+0
-0.5Round 3GRANT242N♦J+1+0
-0.8Round 7NINGBOYONGGUAN94♥♦2+2+11
-1.0Round 7NINGBOYONGGUAN14♥♥2+1+0
-1.2Round 11TRIJET132♥♠5=-1
-1.9Round 7NINGBOYONGGUAN74♠♥4-1-6
-2.6Round 3GRANT223N♠Q+3+3
-2.9Round 6MOSCOW264♠♥Q+2-6
-2.9Round 11TRIJET154♠♣A-1+2
-3.3Round 3GRANT305♣♥7=+6
-3.3Round 11TRIJET113♦♥A+2-7
-4.4Round 6MOSCOW243N♥7-3-7
-4.7Round 7NINGBOYONGGUAN22♠♣A+1-6
-5.1Round 7NINGBOYONGGUAN104♥♣Q-1-6
-5.1Round 11TRIJET141♣♥6+1-15
-5.2Round 6MOSCOW232♦♥A=-6
-5.3Round 6MOSCOW216♥♣A-1-11
-6.5Round 3GRANT273N♦Q=-7
-8.2Round 3GRANT253N♣4-3-9
-8.4Round 3GRANT264♠♣J-1-9
-9.2Round 6MOSCOW303N♠2=-7
-11.2Round 11TRIJET206♣♠9=+2
-14.2Round 7NINGBOYONGGUAN55♦x♣K+1-15