MAIJARERN Prapongse · THAILAND/CBLT

540rank
-38.3Butler · 130 bds
-0.29per board
±4.3swing
-0.60vs par /bd · #542/672
-0.31adjusted /bd
Butler per round: -6.8 5.7 6.3 -5.7 4 -12.1 -12.6 4.8 -7.5 -8.7 -8.7 -5.6 8.6by round

vs par split: bidding -1.11 · play +0.14

Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted -0.31/bd

Card play — on target: opening leads 73.3% #527 of 671 · declarer play 81.5% #236 of 671 · defence 81.0% #491 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·73.3% (15)
Declarer play·81.5% (27)
Defence·81.0% (42)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 83.3% (6) · ♦ 100.0% (2) · ♣ 60.0% (5)

vs par by strain: a suit -0.97 (90)

vs par by level: part-score -1.79 (43) · game -0.64 (42) · slam +3.40 (5)

By role: declaring -0.23/bd (-2.38 vs par · 71) · defending -0.37/bd (+1.54 vs par · 59)

By vulnerability: vulnerable -0.11/bd (-0.81 vs par · 77) · not vulnerable -0.57/bd (-0.30 vs par · 53)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1T.YongchareonC.Chen – C.YehOpen10-6.8-0.68-2.50
Round 2T.YongchareonW.Luo – J.TanClosed10+5.7+0.57-2.80
Round 3T.YongchareonB.Qiu – J.LiuOpen10+6.3+0.63+2.30
Round 4T.YongchareonC.Oursel – A.HertzClosed10-5.7-0.57-0.60
Round 5P.JariyanantanetrH.Yanagisawa – K.HirakiClosed10+4.0+0.40+0.90
Round 6T.YongchareonZ.Chen – Y.ChenClosed10-12.1-1.21-2.30
Round 7T.YongchareonC.Suriya – A.SuriyaOpen10-12.6-1.26-2.50
Round 8T.YongchareonY.Shi – J.ZhangOpen10+4.8+0.48-0.10
Round 9T.YongchareonW.Guan – Y.RenClosed10-7.5-0.75-1.60
Round 10T.YongchareonY.Zhao – L.DongClosed10-8.7-0.87-2.90
Round 11T.YongchareonY.Deng – Z.GuoOpen10-8.7-0.87+0.00
Round 12T.YongchareonY.Zhang – B.LuClosed10-5.6-0.56+0.30
Round 13T.YongchareonB.Callaghan – M.MalysaOpen10+8.6+0.86+4.00

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.

ButlerRoundOpponentsBdContractLeadResvs par
+13.8Round 8WONDERS INFO162Nx♦7+1+14
+10.1Round 5YANAGISAWA134♦x♥K+1+10
+8.5Round 2GUANGDONG173N♠J-6+3
+8.4Round 13CSO103N♠Q=+10
+7.7Round 13CSO87♠♦Q-2+17
+7.6Round 12SHANGHAI YOUTH 1284♠♦K-1+11
+7.5Round 6SHANGHAI YOUTH 2263♠♥9+1+7
+6.6Round 3BEIJING MANGUANFENGYUN251Nx♠8+1+7
+6.3Round 3BEIJING MANGUANFENGYUN284♥♦6-1+11
+5.6Round 3BEIJING MANGUANFENGYUN244♥♠8-2+6
+4.8Round 10BLUEMAROON72♦♠K=+11
+4.7Round 1CHEN44♠♥6-3+4
+4.7Round 5YANAGISAWA121♥♥4=+5
+4.7Round 11BEIJING ZHU YE165♠♣9=+0
+4.5Round 13CSO66♣♥6-1+14
+3.9Round 10BLUEMAROON83N♦10-2+0
+3.7Round 8WONDERS INFO152♠♠5-1+6
+3.6Round 12SHANGHAI YOUTH 1223N♥5-1+5
+3.4Round 2GUANGDONG193N♠6-1+5
+3.4Round 4GROSS84♠♦Q-1+5
+3.3Round 12SHANGHAI YOUTH 1236♦♠A-2+8
+3.1Round 1CHEN53♠♠4=+0
+2.9Round 5YANAGISAWA172♠♣6=+6
+2.7Round 9TIANJIN262N♣5+1+0
+2.6Round 2GUANGDONG161N♠9-1+4
+2.6Round 11BEIJING ZHU YE113N♥Q=-1
+2.4Round 2GUANGDONG111N♠9+2+1
+2.4Round 4GROSS33N♥9+2+0
+2.3Round 1CHEN94N♥10+2+1
+2.3Round 5YANAGISAWA184♠♣A-1+5
+2.2Round 13CSO14♠♥Q+1+1
+2.1Round 6SHANGHAI YOUTH 2233♥♣A+2+2
+1.9Round 9TIANJIN245♥♠3=-5
+1.9Round 9TIANJIN274♠♥7-1+5
+1.9Round 11BEIJING ZHU YE205♣♥J+1+13
+1.8Round 7THAILAND/RBSC21N♦8+1+0
+1.6Round 2GUANGDONG134♥♠A-1+6
+1.5Round 8WONDERS INFO182♠♦Q=+0
+1.3Round 1CHEN81♠x♦4=+2
+1.3Round 3BEIJING MANGUANFENGYUN234♠♥K=-1
+1.3Round 11BEIJING ZHU YE173♦♦3-1+4
+1.2Round 1CHEN12♦♠A+2+8
+1.2Round 11BEIJING ZHU YE194♠♣J+1+1
+1.1Round 8WONDERS INFO142♥♣2=+0
+1.0Round 6SHANGHAI YOUTH 2283N♥10+3+1
+1.0Round 12SHANGHAI YOUTH 1241♥♦A-1-5
+0.9Round 6SHANGHAI YOUTH 2292♦♣7+1+0
+0.9Round 7THAILAND/RBSC64♥♣J+1+0
+0.9Round 8WONDERS INFO134♠♠3+2+7
+0.8Round 2GUANGDONG122♠♥2-1-1
+0.8Round 4GROSS10Pass+3
+0.7Round 7THAILAND/RBSC101♥♣Q+2+0
+0.6Round 4GROSS72N♥5=-1
+0.6Round 5YANAGISAWA204♠♣A=-1
+0.6Round 8WONDERS INFO173N♦Q=-6
+0.5Round 3BEIJING MANGUANFENGYUN295♦♠5=-2
+0.4Round 4GROSS63♠♣10+2-10
+0.4Round 13CSO74♥♠8=-1
+0.3Round 3BEIJING MANGUANFENGYUN212N♣9=+1
+0.3Round 10BLUEMAROON33♥♣A=+0
+0.2Round 1CHEN72♠♣2-3-8
+0.2Round 2GUANGDONG203N♥J+3-13
+0.2Round 9TIANJIN231N♥3+1+0
+0.1Round 7THAILAND/RBSC32♣♥3+1-9
+0.1Round 7THAILAND/RBSC94♠♠8+1+11
+0.0Round 6SHANGHAI YOUTH 2223♦♦2-2+5
-0.0Round 10BLUEMAROON102♠♣5=+0
+0.0Round 13CSO93N♥4+2+0
-0.1Round 4GROSS23N♣2+1+0
-0.2Round 6SHANGHAI YOUTH 2273N♦K-1-5
-0.2Round 7THAILAND/RBSC43N♠9+1-1
-0.3Round 5YANAGISAWA193♠♣8-1+2
-0.3Round 10BLUEMAROON54♠♥4+2-11
-0.4Round 9TIANJIN285♦♠A+1+5
-0.5Round 3BEIJING MANGUANFENGYUN274♠x♣2-1+1
-0.5Round 9TIANJIN292N♥8-1+0
-0.7Round 1CHEN104♥♠4+1-4
-0.7Round 3BEIJING MANGUANFENGYUN223N♥2+1+5
-0.7Round 5YANAGISAWA143N♠Q-1-2
-0.7Round 5YANAGISAWA161N♠5-3+0
-0.8Round 4GROSS15♦♥5-1-4
-0.8Round 13CSO33N♥7+2+0
-0.9Round 10BLUEMAROON12♣♠4-1-4
-1.0Round 7THAILAND/RBSC14♠♥A+1+0
-1.0Round 10BLUEMAROON42♠♦8-1-5
-1.2Round 12SHANGHAI YOUTH 1253N♥5=+5
-1.3Round 5YANAGISAWA112♠♦A=-5
-1.3Round 12SHANGHAI YOUTH 1304♥♦A-1-5
-1.4Round 10BLUEMAROON64♠♣A+1-1
-1.5Round 13CSO54N♠6+2+12
-1.6Round 2GUANGDONG183♠♠10-1-4
-1.6Round 9TIANJIN223♠♦6+2-6
-1.8Round 6SHANGHAI YOUTH 2243N♠K-1-5
-1.9Round 7THAILAND/RBSC74♠♥4-1-6
-1.9Round 8WONDERS INFO121♠♣Q-1-5
-2.2Round 11BEIJING ZHU YE132♥♠8+1-2
-2.5Round 4GROSS92♠♦4=+0
-2.6Round 8WONDERS INFO204♠♠7=+0
-2.7Round 4GROSS51N♦5-2+0
-2.9Round 9TIANJIN303♠♥8+2-2
-2.9Round 11BEIJING ZHU YE154♠♣A-1+2
-3.1Round 12SHANGHAI YOUTH 1275♥♣5=+5
-3.5Round 1CHEN34♠♣A-3-11
-3.9Round 2GUANGDONG145♦♠2+2-18
-3.9Round 3BEIJING MANGUANFENGYUN303N♦K+1+5
-4.1Round 11BEIJING ZHU YE183♠♥6=-6
-4.1Round 13CSO24♥♣2+1+0
-4.3Round 9TIANJIN213N♣8+1-5
-4.4Round 12SHANGHAI YOUTH 1292♠♥Q+1-6
-4.5Round 9TIANJIN253N♠J-2-8
-4.7Round 7THAILAND/RBSC55♠x♥K-1-7
-4.7Round 12SHANGHAI YOUTH 1264♥♣8-2-8
-4.8Round 8WONDERS INFO194♥♣3-2-7
-5.1Round 11BEIJING ZHU YE141♣♠3+1-15
-5.3Round 6SHANGHAI YOUTH 2216♥♣A-1-11
-6.0Round 1CHEN23N♣A+1-8
-6.1Round 11BEIJING ZHU YE121♠x♥10-3+4
-6.4Round 12SHANGHAI YOUTH 1212♠♥K+2-7
-6.7Round 10BLUEMAROON22♣♣4=-10
-7.1Round 6SHANGHAI YOUTH 2252♦♥6-3-10
-7.2Round 4GROSS45♦♣Q=+1
-7.4Round 10BLUEMAROON95♥♠9-1-9
-7.5Round 8WONDERS INFO113♥♣K+1-10
-8.2Round 13CSO44♠♣J-1-13
-8.3Round 2GUANGDONG156♠♦4-1-11
-8.4Round 7THAILAND/RBSC85♣x♥Q-3-13
-9.2Round 3BEIJING MANGUANFENGYUN264♦♠A=-10
-9.2Round 6SHANGHAI YOUTH 2303N♣6=-7
-9.4Round 1CHEN63♠x♦6-2-9
-13.6Round 5YANAGISAWA157N♠J=-11