COBAN Hamza · KOC UNIVERSITY
360rank
-15.7Butler · 100 bds
-0.16per board
±5.0swing
+0.55vs par /bd · #161/597
-0.28adjusted /bd
by round
vs par split: bidding +0.37 · play +0.18
Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted -0.28/bd
Card play — on target: opening leads 75.0% #400 of 597 · declarer play 68.4% #426 of 597 · defence 85.7% #307 of 597
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 44.4% (9) | 89.5% (19) |
| Declarer play | 33.3% (6) | 84.6% (13) |
| Defence | 78.9% (19) | 89.2% (37) |
Opening leads by suit led: ♠ 71.4% (7) · ♥ 100.0% (7) · ♦ 20.0% (5) · ♣ 88.9% (9)
vs par by strain: NT +0.75 (28) · a suit +0.47 (72)
vs par by level: part-score +0.86 (28) · game -0.05 (58) · slam +2.43 (14)
By role: declaring -0.09/bd (-2.02 vs par · 44) · defending -0.21/bd (+2.57 vs par · 56)
By vulnerability: vulnerable -0.13/bd (-0.78 vs par · 50) · not vulnerable -0.18/bd (+1.88 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Celep | T.Grude – C.Bakke | Open | 10 | +16.0 | +1.60 | +0.80 |
| Round 2 | C.Celep | I.Liran – E.Friedlander | Open | 10 | -1.0 | -0.10 | -0.30 |
| Round 3 | C.Celep | A.Zobu – V.Isporski | Open | 10 | +1.2 | +0.12 | +0.50 |
| Round 4 | C.Celep | E.Buus Thomsen – S.Bune | Open | 10 | -19.8 | -1.98 | -1.90 |
| Round 5 | C.Celep | S.Doger – N.Bakar | Open | 10 | +5.4 | +0.54 | +0.10 |
| Round 6 | C.Celep | F.Volcker – T.Bessis | Open | 10 | -40.5 | -4.05 | -3.10 |
| Round 7 | C.Civan | S.Tommasini – S.Natt | Closed | 10 | +22.5 | +2.25 | +2.90 |
| Round 8 | C.Celep | E.Ultav – R.Ghosn | Open | 10 | -15.0 | -1.50 | +0.20 |
| Round 9 | C.Celep | M.Kuranoglu – S.Unal | Open | 10 | +20.8 | +2.08 | +5.70 |
| Round 10 | C.Civan | A.Sivertsen – I.Kofoed Hansen | Open | 10 | -5.3 | -0.53 | +0.60 |
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.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +14.9 | Round 4 | DENMARK JUNIOR | 28 | 7NT | ♦2 | -1 | +17 |
| +13.8 | Round 9 | BUMU | 19 | 6♥ | ♣J | = | +14 |
| +12.1 | Round 7 | SAY NO TO LEG DAY | 21 | 5♦x | ♥6 | -4 | +12 |
| +11.8 | Round 1 | ATLANTIC | 1 | 6♠ | ♥6 | -1 | +14 |
| +11.6 | Round 5 | MACOGLU | 10 | 5♦x | ♠A | = | +14 |
| +9.6 | Round 8 | MAYA | 6 | 6♣ | ♥9 | -1 | +11 |
| +9.5 | Round 7 | SAY NO TO LEG DAY | 29 | 3NT | ♦5 | = | +12 |
| +8.7 | Round 2 | TEXAN ACES | 2 | 2♠ | ♠A | -3 | +10 |
| +6.1 | Round 9 | BUMU | 12 | 4♠x | ♥A | -2 | +12 |
| +5.7 | Round 5 | MACOGLU | 4 | 7♠ | ♠2 | = | +0 |
| +5.7 | Round 7 | SAY NO TO LEG DAY | 24 | 5♣x | ♥K | = | +3 |
| +5.3 | Round 1 | ATLANTIC | 2 | 3♠ | ♣Q | -1 | +12 |
| +4.7 | Round 3 | VALIO | 20 | 3NT | ♠3 | -1 | +5 |
| +4.3 | Round 5 | MACOGLU | 3 | 2♠ | ♣7 | = | +6 |
| +4.0 | Round 3 | VALIO | 18 | 3NT | ♠3 | -1 | +9 |
| +3.6 | Round 3 | VALIO | 19 | 3♥ | ♥2 | -1 | +5 |
| +3.4 | Round 1 | ATLANTIC | 7 | 2♦ | ♦A | +2 | -9 |
| +3.3 | Round 3 | VALIO | 13 | 2♥x | ♣K | -2 | -3 |
| +2.9 | Round 7 | SAY NO TO LEG DAY | 27 | 2♠ | ♣A | -1 | +4 |
| +2.8 | Round 9 | BUMU | 20 | 4♥ | ♣2 | +1 | +0 |
| +2.8 | Round 10 | TROMSO | 27 | 5♦ | ♣K | = | -2 |
| +2.7 | Round 4 | DENMARK JUNIOR | 29 | 1NT | ♦2 | = | -1 |
| +2.7 | Round 7 | SAY NO TO LEG DAY | 25 | 2NT | ♠3 | +1 | +1 |
| +2.4 | Round 1 | ATLANTIC | 6 | 3NT | ♠10 | -2 | +6 |
| +2.3 | Round 9 | BUMU | 15 | 4♠ | ♥K | = | +6 |
| +2.2 | Round 3 | VALIO | 12 | 5♠ | ♥K | -1 | -6 |
| +2.2 | Round 10 | TROMSO | 26 | 2♦ | ♦J | +1 | +0 |
| +2.0 | Round 8 | MAYA | 8 | 3♥ | ♠5 | -1 | +10 |
| +1.8 | Round 1 | ATLANTIC | 4 | 4♥ | ♣Q | -2 | +3 |
| +1.5 | Round 9 | BUMU | 17 | 1NT | ♥6 | +2 | +6 |
| +1.1 | Round 8 | MAYA | 9 | 3NT | ♣5 | +3 | +1 |
| +1.0 | Round 1 | ATLANTIC | 5 | 4♠ | ♦2 | +1 | +0 |
| +1.0 | Round 10 | TROMSO | 23 | 2♥ | ♠K | = | +0 |
| +0.9 | Round 2 | TEXAN ACES | 5 | 4♥ | ♣7 | = | +0 |
| +0.9 | Round 2 | TEXAN ACES | 6 | 2♦x | ♥J | -2 | -8 |
| +0.9 | Round 5 | MACOGLU | 2 | 1NT | ♥K | = | +2 |
| +0.9 | Round 8 | MAYA | 4 | 4♠ | ♣K | +1 | +0 |
| +0.6 | Round 1 | ATLANTIC | 3 | 5♦ | ♦3 | +1 | -10 |
| +0.6 | Round 2 | TEXAN ACES | 9 | 3NT | ♠7 | +1 | +0 |
| +0.4 | Round 10 | TROMSO | 25 | 2♥ | ♣5 | = | +1 |
| +0.3 | Round 4 | DENMARK JUNIOR | 24 | 4♥ | ♣J | +1 | +11 |
| +0.3 | Round 7 | SAY NO TO LEG DAY | 23 | 4♠ | ♥Q | = | -1 |
| +0.3 | Round 9 | BUMU | 11 | 4♥ | ♠4 | +2 | +11 |
| +0.3 | Round 10 | TROMSO | 24 | 4♦ | ♠K | = | +0 |
| +0.1 | Round 2 | TEXAN ACES | 4 | 3NT | ♥J | +2 | +13 |
| +0.1 | Round 7 | SAY NO TO LEG DAY | 28 | 6♠ | ♠4 | +1 | +11 |
| -0.1 | Round 1 | ATLANTIC | 10 | 4♠ | ♥2 | = | -1 |
| -0.1 | Round 10 | TROMSO | 21 | 6♣x | ♠A | -2 | +5 |
| -0.2 | Round 9 | BUMU | 14 | 2♣ | ♦3 | +1 | +5 |
| -0.3 | Round 6 | VINCIGUERRA | 16 | 4♠ | ♥4 | +1 | +0 |
| -0.3 | Round 8 | MAYA | 5 | 3♠ | ♦5 | -2 | +9 |
| -0.3 | Round 10 | TROMSO | 30 | 3NT | ♥2 | = | +1 |
| -0.4 | Round 3 | VALIO | 14 | 2♥ | ♥J | +1 | +4 |
| -0.6 | Round 9 | BUMU | 16 | 4♠ | ♦A | +1 | -1 |
| -0.8 | Round 9 | BUMU | 18 | 5♦ | ♥K | +1 | +10 |
| -1.0 | Round 5 | MACOGLU | 7 | 1NT | ♠6 | +2 | -10 |
| -1.0 | Round 5 | MACOGLU | 9 | 3NT | ♦4 | +1 | +1 |
| -1.1 | Round 5 | MACOGLU | 5 | 4♠ | ♦6 | = | +0 |
| -1.2 | Round 5 | MACOGLU | 8 | 4♠ | ♣6 | +1 | +0 |
| -1.3 | Round 6 | VINCIGUERRA | 11 | 3NT | ♠4 | +3 | -1 |
| -1.3 | Round 10 | TROMSO | 22 | 2♠ | ♣J | -1 | +2 |
| -1.4 | Round 6 | VINCIGUERRA | 12 | 3NT | ♥3 | +1 | +1 |
| -1.4 | Round 8 | MAYA | 1 | 3NT | ♣9 | -2 | -6 |
| -1.6 | Round 2 | TEXAN ACES | 7 | 4♠ | ♥5 | = | -3 |
| -1.6 | Round 4 | DENMARK JUNIOR | 21 | 3NT | ♣Q | +1 | +0 |
| -1.7 | Round 4 | DENMARK JUNIOR | 22 | 3♠x | ♣2 | -1 | -9 |
| -1.9 | Round 3 | VALIO | 15 | 4♠ | ♣3 | +1 | +12 |
| -2.0 | Round 2 | TEXAN ACES | 10 | 3NT | ♦8 | +1 | -1 |
| -2.1 | Round 7 | SAY NO TO LEG DAY | 22 | 7NT | ♣8 | = | +0 |
| -2.2 | Round 2 | TEXAN ACES | 3 | 4♥ | ♣Q | = | +0 |
| -2.3 | Round 6 | VINCIGUERRA | 14 | 2♠ | ♠9 | = | +0 |
| -2.3 | Round 6 | VINCIGUERRA | 18 | 2♠ | ♥5 | -1 | -4 |
| -2.3 | Round 7 | SAY NO TO LEG DAY | 30 | 4♠ | ♥6 | = | +0 |
| -2.4 | Round 3 | VALIO | 11 | 1NT | ♣A | = | -5 |
| -2.9 | Round 2 | TEXAN ACES | 8 | 5♥ | ♠3 | +1 | -11 |
| -3.1 | Round 3 | VALIO | 17 | 3♦ | ♥2 | -1 | -4 |
| -3.2 | Round 1 | ATLANTIC | 9 | 3NT | ♥6 | +1 | -7 |
| -3.5 | Round 2 | TEXAN ACES | 1 | 4♥ | ♠5 | = | -3 |
| -3.5 | Round 4 | DENMARK JUNIOR | 23 | 2♥ | ♠Q | = | +0 |
| -3.7 | Round 10 | TROMSO | 28 | 3NT | ♦A | +3 | -1 |
| -3.9 | Round 4 | DENMARK JUNIOR | 27 | 4♠ | ♥3 | -2 | -11 |
| -3.9 | Round 6 | VINCIGUERRA | 19 | 6♥ | ♣3 | = | +0 |
| -3.9 | Round 8 | MAYA | 7 | 3NT | ♦K | = | +2 |
| -4.4 | Round 5 | MACOGLU | 6 | 4♥ | ♣J | = | +0 |
| -4.4 | Round 9 | BUMU | 13 | 4♠ | ♠2 | -1 | -6 |
| -5.1 | Round 8 | MAYA | 3 | 4♠ | ♣5 | -1 | -6 |
| -6.1 | Round 6 | VINCIGUERRA | 20 | 3NT | ♦Q | +2 | -13 |
| -6.4 | Round 7 | SAY NO TO LEG DAY | 26 | 6♣ | ♠4 | +1 | -13 |
| -6.6 | Round 10 | TROMSO | 29 | 4♠ | ♣Q | = | +0 |
| -6.9 | Round 6 | VINCIGUERRA | 17 | 5♦ | ♣10 | -1 | -8 |
| -7.0 | Round 1 | ATLANTIC | 8 | 7NT | ♣10 | = | +0 |
| -7.1 | Round 6 | VINCIGUERRA | 15 | 4♠ | ♦Q | +1 | +0 |
| -7.4 | Round 4 | DENMARK JUNIOR | 26 | 4♥ | ♦9 | +1 | -13 |
| -8.2 | Round 8 | MAYA | 2 | 3NT | ♥5 | -1 | -11 |
| -8.4 | Round 5 | MACOGLU | 1 | 4♥ | ♦7 | = | -12 |
| -8.8 | Round 3 | VALIO | 16 | 6♥ | ♣K | -1 | -12 |
| -8.9 | Round 6 | VINCIGUERRA | 13 | 4♠ | ♦3 | -1 | -6 |
| -9.5 | Round 4 | DENMARK JUNIOR | 30 | 6♣ | ♠K | = | +0 |
| -9.7 | Round 8 | MAYA | 10 | 5♠x | ♦5 | -2 | -8 |
| -10.1 | Round 4 | DENMARK JUNIOR | 25 | 6♥ | ♠7 | -2 | -13 |