🇳🇴 SVENDSEN Odin · NORWAY

55rank
+13.9Butler · 260 bds
+0.05per board
±4.2swing
-0.37vs par /bd · #83/111
+0.19adjusted /bd
Butler per round: -6.3 -21.9 4.6 35.7 -34.5 36 13.4 4 -6.7 -5.4 -5.5 15.3 -14.8by round

vs par split: bidding -0.31 · play +0.05

Strength of schedule: opponents averaged +0.14/bd (a tough draw) → opponent-adjusted +0.19/bd

Card play — on target: opening leads 72.4% #98 of 111 · declarer play 70.3% #77 of 111 · defence 91.0% #21 of 111

Card play by contract type — on target
vs NTvs a suit
Opening leads65.0% (20)75.0% (56)
Declarer play62.5% (24)74.0% (50)
Defence81.8% (33)94.4% (89)

Opening leads by suit led: ♠ 80.0% (15) · ♥ 70.0% (20) · ♦ 62.5% (24) · ♣ 82.4% (17)

vs par by strain: NT -0.95 (75) · a suit +0.00 (182)

vs par by level: part-score +0.04 (99) · game -0.47 (140) · slam -0.50 (18)

By role: declaring +0.40/bd (-2.07 vs par · 135) · defending -0.32/bd (+1.47 vs par · 125)

By vulnerability: vulnerable -0.07/bd (-0.21 vs par · 130) · not vulnerable +0.17/bd (-0.53 vs par · 130)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.BrogelandK.Koistinen – A.ElsinenOpen20-6.3-0.32+0.80
Round 3B.BrogelandJ.Baldursson – T.JonssonOpen20-21.9-1.09-0.15
Round 5B.BrogelandB.Vlajnic – D.ZipovskiOpen20+4.6+0.23-0.80
Round 6B.BrogelandP.Chidiac – F.HamdanOpen20+35.7+1.79+2.70
Round 7B.BrogelandA.Versace – L.LauriaOpen20-34.5-1.73-2.70
Round 8B.BrogelandF.Morgan – J.HayOpen20+36.0+1.80-0.35
Round 10B.BrogelandE.Velecky – A.FilipOpen20+13.4+0.67+0.65
Round 11B.BrogelandA.Levy – P.ChemlaOpen20+4.0+0.20-0.15
Round 13B.BrogelandB.Abou Chanab – F.PiedraOpen20-6.7-0.34-2.25
Round 15B.BrogelandG.Szalay – L.HarangozoOpen20-5.4-0.27-1.10
Round 16B.BrogelandV.Batov – I.BonevOpen20-5.5-0.28-1.25
Round 17B.BrogelandM.Gromoeller – A.KirmseOpen20+15.3+0.77-1.10
Round 18B.BrogelandD.Jones – G.JonesOpen20-14.8-0.74+0.90

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
+14.4Round 17🇩🇪 GERMANY54♠x♣Q-5+14
+13.1Round 10🇸🇰 SLOVAKIA153♦x♥K=+14
+11.5Round 11🇫🇷 FRANCE16♠♣9-1+11
+10.2Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND64♠♣10+1+0
+9.7Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND123NT♥J=+6
+9.6Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND116♠♠A-1+11
+8.9Round 13🇨🇭 SWITZERLAND164♠♥2=+3
+8.8Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND36♣♠Q-1+14
+8.8Round 13🇨🇭 SWITZERLAND56♠♥Q-1+13
+8.4Round 7🇮🇹 ITALY144♥♠A=+3
+8.2Round 6🇱🇧 LEBANON13NTx♠A-2+9
+7.9Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND13♦♥5-1+9
+7.8Round 3🇮🇸 ICELAND104♠♥K=+0
+7.8Round 11🇫🇷 FRANCE122♥♦A+1+10
+7.6Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES116♣♦2=-2
+7.4Round 7🇮🇹 ITALY126♥♠A=+1
+7.1Round 6🇱🇧 LEBANON153NT♣6+1+7
+7.1Round 16🇧🇬 BULGARIA44♠♦K=+0
+6.8Round 1🇫🇮 FINLAND44♥♠J=+10
+5.9Round 5🇷🇸 SERBIA152♣x♥K=+7
+5.8Round 10🇸🇰 SLOVAKIA122♣♦K=+7
+5.7Round 6🇱🇧 LEBANON94♥x♦8+1+8
+5.5Round 11🇫🇷 FRANCE65♥♣K=+8
+5.5Round 17🇩🇪 GERMANY154♥♦4+1+7
+5.2Round 15🇭🇺 HUNGARY24♥♠5=+0
+5.2Round 17🇩🇪 GERMANY63NT♥5+1+0
+4.9Round 6🇱🇧 LEBANON73♦♣4=+10
+4.6Round 5🇷🇸 SERBIA25♠x♥A-1+5
+4.6Round 6🇱🇧 LEBANON63NT♥Q-3+2
+4.6Round 16🇧🇬 BULGARIA22♥♠9=+6
+4.6Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES153NT♠J+1-1
+4.5Round 6🇱🇧 LEBANON163NT♣10-1+10
+4.5Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES53NT♠K-3+6
+4.4Round 13🇨🇭 SWITZERLAND194♥♠7=+11
+4.2Round 7🇮🇹 ITALY66♦x♠A-3+0
+4.2Round 15🇭🇺 HUNGARY103NT♣5=-1
+4.2Round 15🇭🇺 HUNGARY184♥♣A=+0
+3.8Round 1🇫🇮 FINLAND16♠♦K-3+10
+3.8Round 17🇩🇪 GERMANY92NT♥2-2+0
+3.6Round 1🇫🇮 FINLAND83♥♣K-1+5
+3.5Round 5🇷🇸 SERBIA64♥♣Q=+0
+3.5Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND43♣♦5=-6
+3.5Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND202♠♥K-1-1
+3.5Round 10🇸🇰 SLOVAKIA43♠♦2-2+2
+3.5Round 13🇨🇭 SWITZERLAND24♥♣A-2+2
+3.5Round 15🇭🇺 HUNGARY143NT♠2=+0
+3.4Round 6🇱🇧 LEBANON32♥♦K+1+6
+3.4Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND193♠♦4=+7
+3.3Round 3🇮🇸 ICELAND84♠x♥3-1+6
+3.3Round 10🇸🇰 SLOVAKIA173♠♣9=+6
+3.2Round 6🇱🇧 LEBANON176♣♦A=-2
+3.2Round 17🇩🇪 GERMANY24♠♦2+1+0
+3.1Round 5🇷🇸 SERBIA204♠♣A-1+6
+3.1Round 11🇫🇷 FRANCE111♠♦K+2-7
+2.9Round 5🇷🇸 SERBIA53NT♠5+4+12
+2.6Round 5🇷🇸 SERBIA93♣♦Q-1-1
+2.6Round 10🇸🇰 SLOVAKIA142♥♣8+2+7
+2.5Round 3🇮🇸 ICELAND131NT♥10-2+7
+2.3Round 7🇮🇹 ITALY104♥♣7+1+4
+2.3Round 11🇫🇷 FRANCE206♠x♦K-5+0
+2.2Round 3🇮🇸 ICELAND21NT♥5+2+6
+2.2Round 6🇱🇧 LEBANON25♥x♠2-3+7
+2.2Round 13🇨🇭 SWITZERLAND73♥♦A=-10
+2.1Round 6🇱🇧 LEBANON113♥♦J-4+6
+2.1Round 15🇭🇺 HUNGARY94♠♥10-2+11
+2.1Round 15🇭🇺 HUNGARY114♠♥K=-11
+2.0Round 10🇸🇰 SLOVAKIA83NT♦9+1+1
+1.9Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND92♠♣4+1+7
+1.9Round 16🇧🇬 BULGARIA15♣x♠A-1+6
+1.9Round 16🇧🇬 BULGARIA95♣♠A+1+1
+1.9Round 16🇧🇬 BULGARIA111NT♦9-1-1
+1.9Round 17🇩🇪 GERMANY83NT♣8-1+5
+1.8Round 17🇩🇪 GERMANY205♥x♠Q-1+0
+1.7Round 15🇭🇺 HUNGARY203♦♠3-2+2
+1.6Round 5🇷🇸 SERBIA44♠♥4+1+0
+1.6Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES72♦♥5+1+0
+1.6Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES163♥♦2=-1
+1.5Round 6🇱🇧 LEBANON84♠♣K-2+5
+1.5Round 15🇭🇺 HUNGARY175♠♥K=+11
+1.5Round 16🇧🇬 BULGARIA103♠♣K=+7
+1.5Round 16🇧🇬 BULGARIA195♣♦K=+5
+1.5Round 17🇩🇪 GERMANY175♣♠A=+2
+1.4Round 1🇫🇮 FINLAND93NT♠3+1+10
+1.4Round 5🇷🇸 SERBIA33NT♠5+2-13
+1.4Round 10🇸🇰 SLOVAKIA34♥♠6+3+2
+1.4Round 10🇸🇰 SLOVAKIA183♠♦K=+1
+1.4Round 11🇫🇷 FRANCE175♣♦2=-11
+1.4Round 15🇭🇺 HUNGARY33♥♦K-3+1
+1.3Round 1🇫🇮 FINLAND63NT♥J+1-1
+1.3Round 3🇮🇸 ICELAND63NT♣K=+2
+1.3Round 7🇮🇹 ITALY45♣♠A=+3
+1.3Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES94♠♥K-1+3
+1.2Round 7🇮🇹 ITALY183♥♦K+1-10
+1.2Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND171NT♣8-1+2
+1.2Round 16🇧🇬 BULGARIA163NT♠6+2+0
+1.1Round 13🇨🇭 SWITZERLAND114♥♣10=-1
+0.9Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND142♥♣7+1+0
+0.9Round 17🇩🇪 GERMANY13♥♠10+1+6
+0.9Round 17🇩🇪 GERMANY44♣♠J+1+10
+0.9Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES33♣♠3+1+0
+0.8Round 1🇫🇮 FINLAND174♠♥4=+1
+0.8Round 6🇱🇧 LEBANON191NT♠10=+1
+0.8Round 13🇨🇭 SWITZERLAND63NT♠5+3-12
+0.8Round 16🇧🇬 BULGARIA34♠♣J=+0
+0.6Round 5🇷🇸 SERBIA193♦♣Q-1+5
+0.6Round 7🇮🇹 ITALY113NT♠J+1-1
+0.6Round 10🇸🇰 SLOVAKIA163♦♠7-2+1
+0.6Round 11🇫🇷 FRANCE182NT♠7+1+1
+0.6Round 17🇩🇪 GERMANY183NT♦6+3-11
+0.5Round 3🇮🇸 ICELAND71NT♣2-1+5
+0.4Round 1🇫🇮 FINLAND162♠♦A-1+1
+0.4Round 1🇫🇮 FINLAND192♥♣2=+1
+0.4Round 3🇮🇸 ICELAND11NT♥5+1+0
+0.4Round 3🇮🇸 ICELAND202NT♠6+2+2
+0.4Round 10🇸🇰 SLOVAKIA104♥♣K=+1
+0.2Round 7🇮🇹 ITALY31NT♥2=-1
+0.2Round 7🇮🇹 ITALY163NT♥3+2+0
+0.2Round 10🇸🇰 SLOVAKIA133NT♥Q+2+0
+0.2Round 11🇫🇷 FRANCE134♥♦A+1+10
+0.2Round 11🇫🇷 FRANCE163NT♠7=-1
+0.2Round 16🇧🇬 BULGARIA173NT♠Q+3-11
+0.2Round 17🇩🇪 GERMANY104♠♥3+1+0
+0.1Round 11🇫🇷 FRANCE104♥♦A+1+10
+0.1Round 15🇭🇺 HUNGARY122♥♦A+1+0
+0.1Round 17🇩🇪 GERMANY194♣x♣9-2-7
-0.0Round 1🇫🇮 FINLAND113♠♦J=+1
-0.0Round 5🇷🇸 SERBIA122♦♣J+1-1
-0.0Round 6🇱🇧 LEBANON203NT♥7+1+0
-0.1Round 5🇷🇸 SERBIA73NT♦J=-13
-0.1Round 6🇱🇧 LEBANON103NT♦2+1+1
-0.1Round 16🇧🇬 BULGARIA82♠♥K+1+0
-0.2Round 5🇷🇸 SERBIA83NT♥5+1+1
-0.2Round 6🇱🇧 LEBANON54♠♣7-1+5
-0.2Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND84♥♣6+1+0
-0.2Round 11🇫🇷 FRANCE44♥♦A=+0
-0.2Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES12♠♦8=+0
-0.3Round 13🇨🇭 SWITZERLAND83♣♣6-1-2
-0.4Round 3🇮🇸 ICELAND162♠♦9+1+0
-0.4Round 5🇷🇸 SERBIA133NT♥10+2-1
-0.4Round 11🇫🇷 FRANCE34♥♦J+1+0
-0.4Round 13🇨🇭 SWITZERLAND133NT♠4+1+0
-0.5Round 1🇫🇮 FINLAND183NT♥3=+0
-0.5Round 10🇸🇰 SLOVAKIA21NT♦Q-2-1
-0.5Round 11🇫🇷 FRANCE144♣♥4+1+6
-0.5Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES24♠♦J+1+0
-0.5Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES204♥♠K=-3
-0.6Round 6🇱🇧 LEBANON123♥♠Q-1+2
-0.6Round 10🇸🇰 SLOVAKIA64♥♦10=+1
-0.6Round 10🇸🇰 SLOVAKIA94♥♦5=+0
-0.6Round 13🇨🇭 SWITZERLAND12♦♠4=+0
-0.6Round 13🇨🇭 SWITZERLAND144♥♦J=-1
-0.6Round 17🇩🇪 GERMANY75♦♠10+1-9
-0.6Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES194♠♥K-1+6
-0.7Round 3🇮🇸 ICELAND44♥♣K-1+1
-0.7Round 15🇭🇺 HUNGARY14♥♠7+1+0
-0.7Round 15🇭🇺 HUNGARY44♥♣A-1-6
-0.8Round 3🇮🇸 ICELAND5Pass-4
-0.8Round 3🇮🇸 ICELAND121NTx♥5-1+0
-0.8Round 5🇷🇸 SERBIA141♠♣6+2+0
-0.8Round 13🇨🇭 SWITZERLAND44♠♣J+1+13
-0.8Round 15🇭🇺 HUNGARY153♣♥Q-1-5
-0.8Round 16🇧🇬 BULGARIA202♠♦8=-1
-0.9Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND54♠♣K+1-11
-0.9Round 17🇩🇪 GERMANY163NT♦4+1-13
-1.0Round 5🇷🇸 SERBIA171NT♥3=-1
-1.0Round 10🇸🇰 SLOVAKIA15♦♥4-1-10
-1.0Round 13🇨🇭 SWITZERLAND154♠♣A+1-11
-1.1Round 6🇱🇧 LEBANON134♠♦10+2-1
-1.1Round 15🇭🇺 HUNGARY134♥♦3=+1
-1.1Round 17🇩🇪 GERMANY123NT♠7+1+0
-1.1Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES145♠♦6=+0
-1.2Round 1🇫🇮 FINLAND32♥♦10=+1
-1.2Round 7🇮🇹 ITALY91NT♣4=-1
-1.2Round 10🇸🇰 SLOVAKIA52♦♦3+2+0
-1.2Round 10🇸🇰 SLOVAKIA202♦♠10+1+1
-1.2Round 17🇩🇪 GERMANY142NT♣K=+0
-1.2Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES174♥♦10=+0
-1.3Round 11🇫🇷 FRANCE154♣x♠5-3-9
-1.3Round 17🇩🇪 GERMANY113NT♦A+1+0
-1.4Round 3🇮🇸 ICELAND113♣♥Q+2-7
-1.5Round 1🇫🇮 FINLAND103♥♠7-1+0
-1.5Round 1🇫🇮 FINLAND204♥♦Q+1+0
-1.5Round 16🇧🇬 BULGARIA184♠♣J+1+0
-1.6Round 3🇮🇸 ICELAND155♠♥Q+2-10
-1.6Round 6🇱🇧 LEBANON45♦♠7=-3
-1.8Round 1🇫🇮 FINLAND73♦♥3-1-6
-1.8Round 13🇨🇭 SWITZERLAND94♠♥Q+2-12
-1.9Round 1🇫🇮 FINLAND152♠♦6=+0
-1.9Round 5🇷🇸 SERBIA183♥♦10-1-7
-1.9Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND73NT♥2+3-3
-1.9Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND184♠♦6+2-11
-1.9Round 13🇨🇭 SWITZERLAND181NT♥2+1+0
-1.9Round 16🇧🇬 BULGARIA64♥♣6=+1
-1.9Round 16🇧🇬 BULGARIA142♥♣7+3-6
-2.0Round 16🇧🇬 BULGARIA127♥♣K-2+0
-2.1Round 7🇮🇹 ITALY23NT♦4=+0
-2.1Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND101NT♥K+1+0
-2.2Round 15🇭🇺 HUNGARY82♥-1-5
-2.3Round 1🇫🇮 FINLAND21NT♦4+2-6
-2.3Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND15Pass-9
-2.3Round 11🇫🇷 FRANCE192♣x♥J=-2
-2.4Round 5🇷🇸 SERBIA113NT♦5-1-5
-2.4Round 6🇱🇧 LEBANON183NT♦K=-7
-2.4Round 11🇫🇷 FRANCE93♠♥A=+6
-2.4Round 13🇨🇭 SWITZERLAND103♣♥3+1-1
-2.7Round 5🇷🇸 SERBIA13♥♣A=+0
-2.8Round 1🇫🇮 FINLAND53NT♠6+3-1
-2.8Round 13🇨🇭 SWITZERLAND34♠♣10=+0
-2.8Round 15🇭🇺 HUNGARY74♠+1+0
-2.9Round 7🇮🇹 ITALY134♠♦A+1-1
-2.9Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES124♠♣4=+0
-3.0Round 1🇫🇮 FINLAND142NT♣4-1-4
-3.0Round 5🇷🇸 SERBIA166♠♣10+1-13
-3.1Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES106NT♣5=+0
-3.2Round 11🇫🇷 FRANCE84♦♣7+1-6
-3.4Round 10🇸🇰 SLOVAKIA113♣♦Q-1-4
-3.4Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES83♦♦3=-6
-3.5Round 11🇫🇷 FRANCE54♠♦2-1-5
-3.6Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND133♦♣10-1-5
-3.6Round 16🇧🇬 BULGARIA152♠♣Q+3-10
-3.8Round 1🇫🇮 FINLAND123NT♦3=+0
-3.8Round 3🇮🇸 ICELAND33NT♥5+2+0
-3.8Round 16🇧🇬 BULGARIA74♥♠J=+1
-3.8Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES43♥♣5=+0
-3.9Round 7🇮🇹 ITALY203NT♠5-2-7
-3.9Round 16🇧🇬 BULGARIA53♦♦8=-6
-4.4Round 15🇭🇺 HUNGARY67NT♣J=+0
-4.5Round 1🇫🇮 FINLAND132♣♥Q=-6
-4.6Round 7🇮🇹 ITALY154♥♠A+2-1
-4.6Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES185♣♥K-3+2
-4.8Round 15🇭🇺 HUNGARY193♥♣2=+0
-4.9Round 3🇮🇸 ICELAND193NT♠J+2+11
-5.0Round 7🇮🇹 ITALY14♥♦J-1-5
-5.1Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND165♣x♦J=-12
-5.1Round 15🇭🇺 HUNGARY161NT♠6+2-6
-5.1Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES134♠♣2=+1
-5.2Round 3🇮🇸 ICELAND92♠♦5-1-11
-5.2Round 7🇮🇹 ITALY54♠♦J=+0
-5.5Round 11🇫🇷 FRANCE25♦♥A-1-10
-6.0Round 10🇸🇰 SLOVAKIA71NT♠2-4-6
-6.4Round 3🇮🇸 ICELAND146♦x♣10-1-11
-6.4Round 3🇮🇸 ICELAND182♦♥10=+1
-6.4Round 10🇸🇰 SLOVAKIA194♠♥K=-10
-6.5Round 6🇱🇧 LEBANON14Adj.♥6-12
-6.6Round 8🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND24♠♣10-1-5
-7.4Round 7🇮🇹 ITALY175♥♠9=-8
-7.6Round 13🇨🇭 SWITZERLAND126♥♣2-1-17
-7.8Round 13🇨🇭 SWITZERLAND202♥x♠J-2-9
-7.9Round 3🇮🇸 ICELAND173NT♥2+1-1
-8.4Round 13🇨🇭 SWITZERLAND173NT♣3-2-11
-8.6Round 7🇮🇹 ITALY196♠♦7-2-11
-8.6Round 16🇧🇬 BULGARIA133NT♠Q-1-17
-8.8Round 15🇭🇺 HUNGARY54♠♣K=-14
-8.9Round 17🇩🇪 GERMANY34♠♦J-2-13
-9.1Round 5🇷🇸 SERBIA103♥x♥2-2+3
-9.2Round 7🇮🇹 ITALY73NT♥Q-1-12
-9.4Round 11🇫🇷 FRANCE73NT♥7-3-14
-9.9Round 18🏴󠁧󠁢󠁷󠁬󠁳󠁿 WALES63NT♦7+2+13
-10.2Round 7🇮🇹 ITALY83NT♥10=-7
-10.7Round 17🇩🇪 GERMANY136♠♥2-1-13