ROHOWSKY Roland · DEUTSCHLAND
360rank
-19.3Butler · 80 bds
-0.24per board
±4.6swing
-0.91vs par /bd · #391/471
+0.26adjusted /bd
by round
vs par split: bidding -1.01 · play +0.10
Strength of schedule: opponents averaged +0.50/bd (a tough draw) → opponent-adjusted +0.26/bd
Card play — on target: opening leads 63.2% #447 of 469 · declarer play 78.6% #161 of 469 · defence 93.2% #25 of 471
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 85.7% (7) | 50.0% (12) |
| Declarer play | 71.4% (7) | 85.7% (7) |
| Defence | 80.0% (15) | 100.0% (29) |
Opening leads by suit led: ♠ 0.0% (2) · ♥ 40.0% (5) · ♦ 100.0% (7) · ♣ 60.0% (5)
vs par by strain: NT -1.83 (29) · a suit -0.39 (51)
vs par by level: part-score -1.50 (24) · game -0.73 (49) · slam -0.14 (7)
By role: declaring +1.11/bd (-3.14 vs par · 36) · defending -1.34/bd (+0.91 vs par · 44)
By vulnerability: vulnerable -1.44/bd (-0.95 vs par · 39) · not vulnerable +0.90/bd (-0.88 vs par · 41)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 5 | J.Fritsche | P.Thongdhammachat – C.Wongwaiwit | Open | 10 | +11.9 | +1.19 | +2.50 |
| Round 7 | J.Fritsche | S.Sun – M.Kang | Closed | 10 | -18.3 | -1.83 | -2.40 |
| Round 8 | J.Fritsche | G.Bilski – T.Brown | Closed | 10 | +4.6 | +0.46 | -4.20 |
| Round 10 | J.Fritsche | R.Wang – H.Fu | Closed | 10 | +15.1 | +1.51 | +1.60 |
| Round 11 | J.Fritsche | D.Berkowitz – A.Sontag | Closed | 10 | -30.1 | -3.01 | -1.70 |
| Round 12 | J.Fritsche | R.Lian – H.Shi | Closed | 10 | -30.8 | -3.08 | -5.30 |
| Round 13 | J.Fritsche | A.Dubinin – A.Gromov | Open | 10 | -3.5 | -0.35 | +0.90 |
| Round 15 | J.Fritsche | E.Wijnen – A.Bos | Open | 10 | +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.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +11.5 | Round 15 | HRG NETHERLANDS | 28 | 6♠ | ♦J | = | +1 |
| +10.3 | Round 15 | HRG NETHERLANDS | 24 | 6♥ | ♦K | = | +11 |
| +8.3 | Round 13 | GROMOV | 4 | 3NT | ♠K | = | +0 |
| +7.7 | Round 5 | MAGIC EYES THAILAND | 13 | 4♥x | ♠Q | -2 | +8 |
| +7.3 | Round 15 | HRG NETHERLANDS | 22 | 3NT | ♠J | +2 | +2 |
| +7.3 | Round 15 | HRG NETHERLANDS | 25 | 4♠ | ♣A | -3 | +9 |
| +5.4 | Round 8 | OZZIES | 19 | 4♠ | ♣Q | = | -1 |
| +5.0 | Round 10 | CHINA PINGAN | 3 | 4♠ | ♦Q | -5 | +8 |
| +4.6 | Round 13 | GROMOV | 6 | 4♠ | ♣K | +2 | +17 |
| +4.5 | Round 10 | CHINA PINGAN | 7 | 2♦ | ♦A | +1 | +6 |
| +4.5 | Round 13 | GROMOV | 3 | 3NT | ♣8 | = | +0 |
| +4.4 | Round 10 | CHINA PINGAN | 8 | 1NT | ♠J | = | +5 |
| +3.7 | Round 8 | OZZIES | 17 | 4♥ | ♠K | = | -14 |
| +3.6 | Round 10 | CHINA PINGAN | 1 | 5♣x | ♦K | +1 | -7 |
| +3.5 | Round 5 | MAGIC EYES THAILAND | 17 | 4♥ | ♠J | +2 | +11 |
| +3.2 | Round 5 | MAGIC EYES THAILAND | 19 | 4♠ | ♣10 | +1 | +1 |
| +2.9 | Round 15 | HRG NETHERLANDS | 27 | 2♣ | ♣3 | +1 | +0 |
| +2.7 | Round 12 | CHINA OPEN | 22 | 3NT | ♥5 | -1 | +5 |
| +2.6 | Round 5 | MAGIC EYES THAILAND | 18 | 3NT | ♦6 | -2 | +11 |
| +2.6 | Round 10 | CHINA PINGAN | 10 | 4♥ | ♦4 | -1 | +6 |
| +2.4 | Round 8 | OZZIES | 12 | 5♦ | ♥A | = | -1 |
| +2.2 | Round 15 | HRG NETHERLANDS | 21 | 2♠ | ♦Q | +1 | +0 |
| +2.1 | Round 10 | CHINA PINGAN | 6 | 4♥ | ♦6 | +1 | +1 |
| +2.1 | Round 12 | CHINA OPEN | 24 | 3NT | ♦Q | -1 | -2 |
| +2.0 | Round 7 | BEIJING TRINERGY | 8 | 3NT | ♣6 | +1 | -1 |
| +2.0 | Round 13 | GROMOV | 9 | 4♠ | ♣5 | = | -1 |
| +1.8 | Round 11 | GORDON | 16 | 4♥ | ♠6 | = | +0 |
| +1.5 | Round 5 | MAGIC EYES THAILAND | 16 | 2♦ | ♣7 | = | +0 |
| +1.3 | Round 11 | GORDON | 15 | 3NT | ♣6 | -1 | +5 |
| +1.1 | Round 5 | MAGIC EYES THAILAND | 14 | 4♥ | ♦2 | = | +0 |
| +1.1 | Round 11 | GORDON | 11 | 3NT | ♥3 | +1 | -10 |
| +1.0 | Round 13 | GROMOV | 8 | 3NT | ♥10 | +3 | +1 |
| +0.9 | Round 8 | OZZIES | 14 | 2♦x | ♣K | -1 | -1 |
| +0.9 | Round 15 | HRG NETHERLANDS | 26 | 4♥ | ♠J | -1 | -1 |
| +0.8 | Round 10 | CHINA PINGAN | 9 | 3♥ | ♦J | -1 | +2 |
| +0.7 | Round 7 | BEIJING TRINERGY | 3 | 3♣ | ♠A | +2 | -6 |
| +0.5 | Round 8 | OZZIES | 11 | 3NT | ♥10 | +1 | -10 |
| +0.3 | Round 8 | OZZIES | 20 | 2♥ | ♠5 | +1 | +0 |
| +0.1 | Round 15 | HRG NETHERLANDS | 30 | 3NT | ♣K | +2 | -1 |
| -0.2 | Round 8 | OZZIES | 15 | 3♣ | ♦A | +1 | +7 |
| -0.3 | Round 7 | BEIJING TRINERGY | 5 | 2♥ | ♥10 | +1 | +0 |
| -0.6 | Round 7 | BEIJING TRINERGY | 4 | 3♠ | ♥6 | = | -1 |
| -0.6 | Round 12 | CHINA OPEN | 25 | 4♥ | ♠A | = | +0 |
| -0.9 | Round 7 | BEIJING TRINERGY | 10 | 1NT | ♥5 | +1 | +1 |
| -0.9 | Round 11 | GORDON | 14 | 2♥ | ♦10 | -2 | +0 |
| -0.9 | Round 12 | CHINA OPEN | 28 | 4♥ | ♦A | +2 | -11 |
| -1.1 | Round 5 | MAGIC EYES THAILAND | 12 | 4♥ | ♦A | = | +1 |
| -1.2 | Round 5 | MAGIC EYES THAILAND | 20 | 3♦ | ♥2 | +1 | -1 |
| -1.2 | Round 7 | BEIJING TRINERGY | 6 | 4♥ | ♦5 | +1 | +0 |
| -1.2 | Round 7 | BEIJING TRINERGY | 9 | 3♠ | ♦Q | = | +0 |
| -1.5 | Round 12 | CHINA OPEN | 23 | 2♣x | ♦Q | -2 | -13 |
| -1.5 | Round 12 | CHINA OPEN | 27 | 7NT | ♦2 | = | +0 |
| -1.8 | Round 10 | CHINA PINGAN | 5 | 3NT | ♣4 | = | +1 |
| -1.9 | Round 7 | BEIJING TRINERGY | 7 | 4♥ | ♦2 | = | +0 |
| -2.0 | Round 11 | GORDON | 12 | 4♥ | ♦A | +1 | +0 |
| -2.0 | Round 13 | GROMOV | 2 | 3NT | ♥2 | +1 | -1 |
| -2.1 | Round 5 | MAGIC EYES THAILAND | 15 | 3NT | ♣6 | -1 | -6 |
| -2.3 | Round 10 | CHINA PINGAN | 2 | 1NT | ♠2 | +2 | -6 |
| -2.4 | Round 8 | OZZIES | 18 | 1NT | ♥7 | +2 | -10 |
| -2.9 | Round 8 | OZZIES | 16 | 5♦ | ♠A | = | -7 |
| -3.1 | Round 8 | OZZIES | 13 | 2♠ | ♦K | -1 | -5 |
| -3.3 | Round 5 | MAGIC EYES THAILAND | 11 | 3NT | ♥9 | +1 | +0 |
| -3.4 | Round 11 | GORDON | 13 | 3NT | ♣10 | = | +1 |
| -3.5 | Round 11 | GORDON | 20 | 5♣ | ♦K | = | -3 |
| -3.8 | Round 10 | CHINA PINGAN | 4 | 1NT | ♦3 | +1 | +0 |
| -3.8 | Round 12 | CHINA OPEN | 21 | 4♣ | ♣4 | -2 | -6 |
| -3.9 | Round 13 | GROMOV | 1 | 4♠ | ♣3 | +1 | -1 |
| -4.6 | Round 15 | HRG NETHERLANDS | 29 | 4♥ | ♣6 | -2 | -8 |
| -4.7 | Round 13 | GROMOV | 10 | 6♣ | ♦4 | = | +2 |
| -4.8 | Round 12 | CHINA OPEN | 30 | 3NT | ♠2 | +3 | -11 |
| -5.1 | Round 11 | GORDON | 17 | 3NT | ♠2 | -1 | -10 |
| -5.2 | Round 13 | GROMOV | 7 | 3NT | ♦2 | -2 | -8 |
| -5.4 | Round 7 | BEIJING TRINERGY | 1 | 3NT | ♠J | -2 | -9 |
| -6.1 | Round 15 | HRG NETHERLANDS | 23 | 3♠ | ♣3 | = | +0 |
| -7.8 | Round 12 | CHINA OPEN | 29 | 6♦ | ♥2 | = | +0 |
| -8.1 | Round 13 | GROMOV | 5 | 3NT | ♦7 | = | +0 |
| -9.0 | Round 11 | GORDON | 18 | 3NT | ♠2 | +1 | +0 |
| -9.5 | Round 7 | BEIJING TRINERGY | 2 | 3♠x | ♦Q | -3 | -8 |
| -10.4 | Round 11 | GORDON | 19 | 7♠ | ♥3 | = | +0 |
| -14.7 | Round 12 | CHINA OPEN | 26 | 6♦ | ♠A | = | -15 |