BOS Auke van den · HRG NETHERLANDS

278rank
-3.9Butler · 130 bds
-0.03per board
±5.1swing
-0.71vs par /bd · #366/471
-0.06adjusted /bd
Butler per round: -6.8 13.1 -8.4 15.1 -1.6 12.1 -14.4 2.1 25.4 -14.7 -10.1 16.1 -31.8by round

vs par split: bidding -0.53 · play -0.18

Strength of schedule: opponents averaged -0.03/bd (an average draw) → opponent-adjusted -0.06/bd

Card play — on target: opening leads 62.5% #451 of 469 · declarer play 71.0% #309 of 469 · defence 79.7% #379 of 471

Card play by contract type — on target
vs NTvs a suit
Opening leads55.6% (9)65.2% (23)
Declarer play72.7% (11)70.0% (20)
Defence75.0% (16)81.1% (53)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 55.6% (9) · ♦ 63.6% (11) · ♣ 60.0% (5)

vs par by strain: NT -0.24 (37) · a suit -0.89 (93)

vs par by level: part-score -0.74 (43) · game +0.01 (76) · slam -5.54 (11)

By role: declaring -0.51/bd (-4.12 vs par · 61) · defending +0.39/bd (+2.30 vs par · 69)

By vulnerability: vulnerable +0.51/bd (+0.46 vs par · 65) · not vulnerable -0.57/bd (-1.88 vs par · 65)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3E.WijnenJ.Bian – Y.LianOpen10-6.8-0.68-1.60
Round 4E.WijnenN.Geng – B.GunawanOpen10+13.1+1.31-0.20
Round 5E.WijnenS.Ayu – ELWINDRA -Open10-8.4-0.84-1.90
Round 6E.WijnenP.Hooykaas – P.RankinOpen10+15.1+1.51+3.70
Round 7E.WijnenN.Francis – A.MaluishOpen10-1.6-0.16-0.50
Round 8E.WijnenY.Tan – J.ChooOpen10+12.1+1.21-3.20
Round 9E.WijnenT.Liang – H.ZhanOpen10-14.4-1.44-3.50
Round 10E.WijnenH.Kaku – M.TakasakiOpen10+2.1+0.21+0.10
Round 11E.WijnenE.Wackwitz – C.WesterbeekOpen10+25.4+2.54+1.20
Round 12E.WijnenJ.Dai – L.YangOpen10-14.7-1.47+0.80
Round 13E.WijnenH.Lasut – E.ManoppoOpen10-10.1-1.01-2.00
Round 14E.WijnenP.Thongdhammachat – C.WongwaiwitOpen10+16.1+1.61-0.80
Round 15E.WijnenJ.Fritsche – R.RohowskyOpen10-31.8-3.18-1.30

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
+11.6Round 7MILL86♠♥3=+11
+10.7Round 9CHINA JUAN303♣x♥A-4+9
+10.4Round 11DUTCH WORLD YOUTH CH197♠♥4=+0
+10.2Round 14MAGIC EYES THAILAND193NT♠6-1+14
+10.1Round 4GABRIAL BLUESCOPE24♠x♥Q-3+8
+10.0Round 14MAGIC EYES THAILAND125♣x♦3-4+5
+8.6Round 9CHINA JUAN293NT♠8-3+10
+7.8Round 13INDONESIA SENIORS93NT♣4-1+11
+7.4Round 3CHINA HYX234♥♣9+1+4
+6.9Round 3CHINA HYX222♣♥J-2+12
+6.3Round 4GABRIAL BLUESCOPE15♣x♦Q-2+0
+6.2Round 6REYNOLDS265♠♣4+1+13
+6.2Round 8SINGAPORE 88163♦♣9+2+4
+6.1Round 15DEUTSCHLAND233♠♣3=+0
+5.9Round 14MAGIC EYES THAILAND184♥♠A+1+0
+5.7Round 14MAGIC EYES THAILAND174♥♦J-2+5
+5.4Round 8SINGAPORE 88194♠♣Q=-1
+5.2Round 4GABRIAL BLUESCOPE44♥♠7-1+12
+5.1Round 11DUTCH WORLD YOUTH CH173NT♣2-1+10
+4.8Round 12SAIC VW213♦♥K-3+7
+4.8Round 12SAIC VW303NT♦5+3+11
+4.6Round 15DEUTSCHLAND294♥♣6-2+8
+4.5Round 10JAPAN72♦♠K+1+6
+4.5Round 13INDONESIA SENIORS14♠♦4+2+2
+4.4Round 5GABRIAL ENERGASINDO163♦♣3-3+6
+4.4Round 14MAGIC EYES THAILAND153NT♥2=+0
+4.2Round 6REYNOLDS304♠x♦Q-1+6
+4.2Round 11DUTCH WORLD YOUTH CH133NT♠2+1+0
+3.7Round 8SINGAPORE 88173NT♣6+1-14
+3.7Round 10JAPAN43NT♦Q-2+8
+3.6Round 5GABRIAL ENERGASINDO134♠♥9-1+6
+3.6Round 10JAPAN15♣x♦K+1-7
+3.5Round 11DUTCH WORLD YOUTH CH205♣♥4=+3
+3.4Round 6REYNOLDS284♥♣9+1+1
+3.4Round 6REYNOLDS295♦♥2-1+12
+3.3Round 4GABRIAL BLUESCOPE34♥♥5-1+5
+3.0Round 11DUTCH WORLD YOUTH CH151NT♦2=+0
+2.7Round 8SINGAPORE 88132♠♥9+1+1
+2.6Round 5GABRIAL ENERGASINDO115♦♣Q=-1
+2.6Round 6REYNOLDS252♠♣K=+6
+2.6Round 10JAPAN104♥♥2-1+6
+2.6Round 13INDONESIA SENIORS32♥♥5=+7
+2.4Round 10JAPAN24♥♦K-1-2
+2.1Round 5GABRIAL ENERGASINDO153NT♥J-1+6
+2.0Round 13INDONESIA SENIORS23NT♠2+1+1
+1.7Round 3CHINA HYX214♠♥Q-1-2
+1.5Round 7MILL32NT♠J+2-6
+1.5Round 11DUTCH WORLD YOUTH CH141NT♦A+1+0
+1.5Round 12SAIC VW277NT♦7=+0
+1.3Round 4GABRIAL BLUESCOPE74NT♠5+1+1
+1.2Round 6REYNOLDS225♣x♦K-1+0
+1.1Round 3CHINA HYX264♥♦Q=+0
+1.1Round 11DUTCH WORLD YOUTH CH124♥♦Q=-1
+1.0Round 8SINGAPORE 88143♣♠A=+0
+1.0Round 9CHINA JUAN233♠♦2-2-10
+0.9Round 10JAPAN33NT♠8-3+4
+0.9Round 12SAIC VW284♥♦K+2+11
+0.7Round 14MAGIC EYES THAILAND133NT♥J+1+1
+0.6Round 7MILL52♦♦4+1+1
+0.6Round 12SAIC VW254♥♠A=+0
+0.5Round 3CHINA HYX304♥♣K+1-11
+0.5Round 4GABRIAL BLUESCOPE52♠♥4+2-1
+0.5Round 6REYNOLDS232♦♠9+1+0
+0.5Round 8SINGAPORE 88113NT♥J+1-10
+0.1Round 5GABRIAL ENERGASINDO201NT♥3=-1
-0.1Round 9CHINA JUAN221NT♦3+1-1
-0.1Round 13INDONESIA SENIORS83NT♦6+2+0
-0.1Round 14MAGIC EYES THAILAND144♠♥3+2-8
-0.1Round 15DEUTSCHLAND303NT♣K+2+1
-0.2Round 7MILL64♥♥2=+1
-0.2Round 8SINGAPORE 88154♣♦K=+7
-0.5Round 11DUTCH WORLD YOUTH CH184♠♣K-3-10
-0.7Round 8SINGAPORE 88202♠♠2+2-1
-0.8Round 12SAIC VW233NT♥10=+13
-0.9Round 3CHINA HYX244♠♥4+1-1
-0.9Round 15DEUTSCHLAND264♥♠J-1+1
-1.1Round 4GABRIAL BLUESCOPE96♠♥A+1-11
-1.1Round 5GABRIAL ENERGASINDO144♥♦7=+0
-1.1Round 11DUTCH WORLD YOUTH CH113NT♥5+1+10
-1.2Round 4GABRIAL BLUESCOPE84♠♥6-1-2
-1.2Round 7MILL92♠♦Q+1+0
-1.3Round 6REYNOLDS214♠♥3+1+0
-1.7Round 7MILL23NT♠10=+2
-1.8Round 11DUTCH WORLD YOUTH CH164♥♠6=+0
-1.9Round 7MILL74♥♣6=+0
-2.0Round 7MILL44♥♣5-2-3
-2.0Round 9CHINA JUAN213♥♣4-1-5
-2.1Round 12SAIC VW244♣♥Q-1+2
-2.2Round 13INDONESIA SENIORS72♥♣Q+1+0
-2.2Round 15DEUTSCHLAND212♠♦Q+1+0
-2.3Round 14MAGIC EYES THAILAND202♦♠2=+0
-2.4Round 6REYNOLDS244♥♦K-1-5
-2.4Round 8SINGAPORE 88182♦♠3+3-10
-2.6Round 5GABRIAL ENERGASINDO183NT♦6-2-11
-2.6Round 9CHINA JUAN252♥♥6+1-6
-2.6Round 10JAPAN53NT♠Q+1+0
-2.6Round 10JAPAN82♥♥A+2-2
-2.7Round 6REYNOLDS273♥♣4-1+4
-2.9Round 7MILL102♥♣3-2-2
-2.9Round 15DEUTSCHLAND272♣♣3+1+0
-3.2Round 5GABRIAL ENERGASINDO194♠♣9+1-1
-3.2Round 9CHINA JUAN263♠♣9+1-10
-3.5Round 3CHINA HYX271NT♣10-1-5
-3.5Round 5GABRIAL ENERGASINDO174♥♠J+2-11
-4.1Round 8SINGAPORE 88123♣x♠5-2-8
-4.2Round 4GABRIAL BLUESCOPE62♠♥K+4-12
-4.6Round 13INDONESIA SENIORS64♠♣K+2-17
-4.7Round 12SAIC VW293NT♠6=-13
-4.7Round 13INDONESIA SENIORS53NT♦5-3-11
-4.8Round 10JAPAN62♥♦5+1-7
-5.1Round 3CHINA HYX254♦♠A=-1
-5.4Round 7MILL13NT♠J-2-9
-5.6Round 3CHINA HYX283NT♥2+1-11
-5.6Round 10JAPAN91NTx♠2-2-5
-6.3Round 12SAIC VW263♠♥4+2-9
-6.4Round 14MAGIC EYES THAILAND165♥♦J=-8
-6.5Round 9CHINA JUAN244♠x♥K=-5
-7.1Round 4GABRIAL BLUESCOPE104♣♠3+1-2
-7.1Round 13INDONESIA SENIORS103NT♦4+1-13
-7.3Round 15DEUTSCHLAND223NT♠J+2-2
-7.3Round 15DEUTSCHLAND254♠♣A-3-9
-8.1Round 9CHINA JUAN276♥♣Q=+0
-8.3Round 13INDONESIA SENIORS43NT♠K=+0
-9.3Round 3CHINA HYX296♠♥8+1-1
-10.3Round 15DEUTSCHLAND246♥♦K=-11
-10.8Round 5GABRIAL ENERGASINDO125♣♥6-4-12
-11.5Round 15DEUTSCHLAND286♠♦J=-1
-12.0Round 14MAGIC EYES THAILAND117♠♥Q-1-17
-12.2Round 9CHINA JUAN287♠♦Q-2-17
-13.4Round 12SAIC VW226♦x♦5-4-14