Here are some aggregate break statistics from the 33 9-Ball matches streamed this week by Accu-Stats from the 2015 U.S. Open 9-Ball Championship in Norfolk, VA.
The conditions for this event included: Diamond 9-foot table with pro-cut pockets, blue Simonis 860 cloth, Accu-Rack racking template, Aramith Tournament balls, measles cue ball, winner breaks, breaker racks for himself with the 9-ball on the foot string and the 2-ball at the back of the rack, break from the box (approx. 9" to each side of the long string), the break is illegal unless at least 3 balls pass the side pockets or are pocketed, foul on all balls, jump cues are allowed, and all slop counts (except I'm not sure whether a 9-ball pocketed in a foot-rail pocket counted, as that did not happen on stream). A 40-sec. shot clock (with one extension per rack) was used on the full-production matches.
The 33 matches (572 games tracked) were as follows. The figures in parentheses for some of the matches are the Accu-Stats Total Performance Averages (TPA), as calculated by Accu-Stats and shown on the stream.
Overall results -- The breaker made at least one ball (and did not break illegally or foul) 62% of the time (353 of 572), won 53% of the games (302 of 572), and broke and ran 23% of the games (131 of 572).
Here's a more detailed breakdown of the 572 games.
Break-and-run games: The 131 break-and-run games represented 23% of all 572 games, 43% of the 302 games won by the breaker, and 37% of the 353 games in which the break was successful (made a ball, legal, no foul).
The 131 break-and-run games consisted of 2 4-packs (Y-H Cheng and K-L Hsu), 4 3-packs, 16 2-packs, and 79 singles.
9-balls on the break: The 131 break-and-run games included just two 9-balls on the break (0.3% of the 572 breaks). With the Accu-Rack, the 9-ball tends to remain close to its original position.
The conditions for this event included: Diamond 9-foot table with pro-cut pockets, blue Simonis 860 cloth, Accu-Rack racking template, Aramith Tournament balls, measles cue ball, winner breaks, breaker racks for himself with the 9-ball on the foot string and the 2-ball at the back of the rack, break from the box (approx. 9" to each side of the long string), the break is illegal unless at least 3 balls pass the side pockets or are pocketed, foul on all balls, jump cues are allowed, and all slop counts (except I'm not sure whether a 9-ball pocketed in a foot-rail pocket counted, as that did not happen on stream). A 40-sec. shot clock (with one extension per rack) was used on the full-production matches.
The 33 matches (572 games tracked) were as follows. The figures in parentheses for some of the matches are the Accu-Stats Total Performance Averages (TPA), as calculated by Accu-Stats and shown on the stream.
Sun., Oct. 25 -- E. Strickland (.878) d. S. Frost (.830) 11-9, H-T Liu d. M. Chamat 11-6, S. Woodward (.825) d. I. Majid (.787) 11-10, N. Ekonomopoulos (.943) d. D. Mills (.879) 11-6, J. Morra (.897) d. F. Petroni (.718) 11-2, and R. Chinakhov d. R. Gallego 11-4.
Mon., Oct. 26 -- W. Kiamco (.876) d. A. Hopkins (.718) 11-6, K. Boyes d. S. Daulton 11-6, D. Orcollo d. P-N. Pham 11-1, A. Kazakis (.921) d. A. Pagulayan (.711) 11-3, S. Van Boening (.870) d. R. Gomez (.900) 11-9, and M. Davis d. I. Majid 11-9.
Tues., Oct 27 -- E. Dominguez d. So Shaw 11-9, R. Gallego (.920) d. C. Rocha (.829) 11-7, I. Putnik (.900) d. P-C Ko (.828) 11-8, A. Pagulayan d. A. Kang 11-5, O. Ortmann (.878) d. J-L Chang (.825) 11-6, and J. Bergman (.896) d. S. Van Boening (.857) 11-7.
Wed., Oct 28 -- J. Ignacio d. E. Strickland 11-5, K. Uchigaki (.891) d. P-Y Ko (.953) 11-10, J. Mazon d. B. Shuff 11-4, K-L Hsu (.917) d. M. Dechaine (.827) 11-7, J. Shaw (.866) d. C. Biado (.848) 11-7, and D. Orcollo (.816) d. K. Uchigaki (.787) 11-7 [Note: the data below exclude results for 5 games when the stream was down during the Ignacio/Strickland match.]
Thurs., Oct 29 -- D. Appleton d. N. Van den Berg 11-4, R. Morris (.891) d. F. Felicilda (.906) 11-10, K-L Hsu (.922) d. R. Souquet (.901) 11-8, H-T Liu d. J. Bergman 11-8, K. Boyes (.921) d. J. Shaw (.874) 11-9, and H-T Liu (.891) d. K-L Hsu (.817) 11-7. [Note: the data below exclude results for 6 games when the stream was down during the Liu/Bergman match.]
Fri., Oct 30 -- Y-H Cheng (.947) d. K. Boyes (.868) 11-4 (hot-seat match), K. Boyes (.915) d. H-T Liu (.895) 11-9 (semifinal), and Y-H Cheng (.908) d. K. Boyes (.878) 13-6 (finals).
Overall results -- The breaker made at least one ball (and did not break illegally or foul) 62% of the time (353 of 572), won 53% of the games (302 of 572), and broke and ran 23% of the games (131 of 572).
Here's a more detailed breakdown of the 572 games.
Breaker broke legally, made at least one ball, and did not foul:
Breaker won the game: 224 (39% of the 572 games)
Breaker lost the game: 129 (23%)
Breaker made at least one ball and did not foul, but broke illegally:
Breaker won the game: 4 (1%)
Breaker lost the game: 7 (1%)
Breaker fouled on the break (includes 1 break that was both fouled and illegal):
Breaker won the game: 13 (2%)
Breaker lost the game: 28 (5%)
Breaker broke dry (without fouling, but includes the 11 breaks that were both dry and illegal):
Breaker won the game: 61 (11%)
Breaker lost the game: 106 (19%)
Therefore, whereas the breaker won 53% of all games (302 of 572),
He won 63% (224 of 353) of the games in which he broke legally, made at least one ball on the break, and did not foul.
He won 36% (4 of 11) of the games in which he made at least one ball and did not foul, but broke illegally.
He won 32% (13 of 41) of the games in which he fouled on the break.
He won 37% (61 of 167) of the games in which he broke dry but did not foul.
He won 36% (78 of 219) of the games in which he either broke illegally, fouled on the break, or broke dry without fouling.
Break-and-run games: The 131 break-and-run games represented 23% of all 572 games, 43% of the 302 games won by the breaker, and 37% of the 353 games in which the break was successful (made a ball, legal, no foul).
The 131 break-and-run games consisted of 2 4-packs (Y-H Cheng and K-L Hsu), 4 3-packs, 16 2-packs, and 79 singles.
9-balls on the break: The 131 break-and-run games included just two 9-balls on the break (0.3% of the 572 breaks). With the Accu-Rack, the 9-ball tends to remain close to its original position.
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