paper-dynasty-card-creation/pitchers/calcs_pitcher.py
Cal Corum 0a17745389 Run black and ruff across entire codebase
Standardize formatting with black and apply ruff auto-fixes.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-08 14:24:33 -05:00

764 lines
24 KiB
Python

import math
import pydantic
from creation_helpers import mround, sanitize_chance_output
from typing import List, Literal
from exceptions import logger
class PitchingCardRatingsModel(pydantic.BaseModel):
pitchingcard_id: int
pit_hand: Literal["R", "L"]
vs_hand: Literal["R", "L"]
all_hits: float = 0.0
all_other_ob: float = 0.0
all_outs: float = 0.0
rem_singles: float = 0.0
rem_xbh: float = 0.0
rem_hr: float = 0.0
rem_doubles: float = 0.0
hard_rate: float
med_rate: float
soft_rate: float
# pull_rate: float
# center_rate: float
# slap_rate: float
homerun: float = 0.0
bp_homerun: float = 0.0
triple: float = 0.0
double_three: float = 0.0
double_two: float = 0.0
double_cf: float = 0.0
single_two: float = 0.0
single_one: float = 0.0
single_center: float = 0.0
bp_single: float = 0.0
hbp: float = 0.0
walk: float = 0.0
strikeout: float = 0.0
rem_flyballs: float = 0.0
flyout_lf_b: float = 0.0
flyout_cf_b: float = 0.0
flyout_rf_b: float = 0.0
rem_groundballs: float = 0.0
groundout_a: float = 0.0
groundout_b: float = 0.0
xcheck_p: float = float(1.0)
xcheck_c: float = float(3.0)
xcheck_1b: float = float(2.0)
xcheck_2b: float = float(6.0)
xcheck_3b: float = float(3.0)
xcheck_ss: float = float(7.0)
xcheck_lf: float = float(2.0)
xcheck_cf: float = float(3.0)
xcheck_rf: float = float(2.0)
avg: float = 0.0
obp: float = 0.0
slg: float = 0.0
def total_chances(self):
return mround(
sum(
[
self.homerun,
self.bp_homerun,
self.triple,
self.double_three,
self.double_two,
self.double_cf,
self.single_two,
self.single_one,
self.single_center,
self.bp_single,
self.hbp,
self.walk,
self.strikeout,
self.flyout_lf_b,
self.flyout_cf_b,
self.flyout_rf_b,
self.groundout_a,
self.groundout_b,
self.xcheck_p,
self.xcheck_c,
self.xcheck_1b,
self.xcheck_2b,
self.xcheck_3b,
self.xcheck_ss,
self.xcheck_lf,
self.xcheck_cf,
self.xcheck_rf,
]
)
)
def total_hits(self):
return mround(
sum(
[
self.homerun,
self.bp_homerun,
self.triple,
self.double_three,
self.double_two,
self.double_cf,
self.single_two,
self.single_one,
self.single_center,
self.bp_single,
]
)
)
def total_ob(self):
return mround(
sum(
[
self.homerun,
self.bp_homerun,
self.triple,
self.double_three,
self.double_two,
self.double_cf,
self.single_two,
self.single_one,
self.single_center,
self.bp_single,
self.hbp,
self.walk,
]
)
)
def total_outs(self):
return mround(
sum(
[
self.strikeout,
self.flyout_lf_b,
self.flyout_cf_b,
self.flyout_rf_b,
self.groundout_a,
self.groundout_b,
self.xcheck_p,
self.xcheck_c,
self.xcheck_1b,
self.xcheck_2b,
self.xcheck_3b,
self.xcheck_ss,
self.xcheck_lf,
self.xcheck_cf,
self.xcheck_rf,
]
)
)
def calculate_rate_stats(self):
self.avg = mround(self.total_hits() / 108, prec=5, base=0.00001)
self.obp = mround(
(self.total_hits() + self.hbp + self.walk) / 108, prec=5, base=0.00001
)
self.slg = mround(
(
self.homerun * 4
+ self.triple * 3
+ self.single_center
+ self.single_two
+ self.single_two
+ (
self.double_two
+ self.double_three
+ self.double_two
+ self.bp_homerun
)
* 2
+ self.bp_single / 2
)
/ 108,
prec=5,
base=0.00001,
)
def custom_to_dict(self):
self.calculate_rate_stats()
return {
"pitchingcard_id": self.pitchingcard_id,
"vs_hand": self.vs_hand,
"homerun": self.homerun,
"bp_homerun": self.bp_homerun,
"triple": self.triple,
"double_three": self.double_three,
"double_two": self.double_two,
"double_cf": self.double_cf,
"single_two": self.single_two,
"single_one": self.single_one,
"single_center": self.single_center,
"bp_single": self.bp_single,
"hbp": self.hbp,
"walk": self.walk,
"strikeout": self.strikeout,
"flyout_lf_b": self.flyout_lf_b,
"flyout_cf_b": self.flyout_cf_b,
"flyout_rf_b": self.flyout_rf_b,
"groundout_a": self.groundout_a,
"groundout_b": self.groundout_b,
"xcheck_p": self.xcheck_p,
"xcheck_c": self.xcheck_c,
"xcheck_1b": self.xcheck_1b,
"xcheck_2b": self.xcheck_2b,
"xcheck_3b": self.xcheck_3b,
"xcheck_ss": self.xcheck_ss,
"xcheck_lf": self.xcheck_lf,
"xcheck_cf": self.xcheck_cf,
"xcheck_rf": self.xcheck_rf,
"avg": self.avg,
"obp": self.obp,
"slg": self.slg,
}
def calculate_singles(self, szn_hits, szn_singles):
if szn_hits == 0:
return
tot = sanitize_chance_output(self.all_hits * (szn_singles / szn_hits))
logger.debug(f"total singles: {tot}")
self.rem_singles = tot
self.bp_single = 5.0 if self.rem_singles >= 5 else 0.0
self.rem_singles -= self.bp_single
self.single_two = (
sanitize_chance_output(self.rem_singles / 2)
if self.hard_rate >= 0.2
else 0.0
)
self.rem_singles -= self.single_two
self.single_one = (
sanitize_chance_output(self.rem_singles) if self.soft_rate >= 0.2 else 0.0
)
self.rem_singles -= self.single_one
self.single_center = sanitize_chance_output(self.rem_singles)
self.rem_singles -= self.single_center
self.rem_xbh = (
self.all_hits
- self.single_center
- self.single_one
- self.single_two
- self.bp_single
)
logger.info(
f"remaining singles: {self.rem_singles} / total xbh: {self.rem_xbh}"
)
def calculate_xbh(self, szn_doubles, szn_triples, szn_homeruns, hr_per_fb_rate):
szn_xbh = szn_doubles + szn_triples + szn_homeruns
if szn_xbh == 0:
return
hr_rate = mround(szn_homeruns / szn_xbh)
tr_rate = mround(szn_triples / szn_xbh)
do_rate = mround(szn_doubles / szn_xbh)
logger.info(f"hr%: {hr_rate:.2f} / tr%: {tr_rate:.2f} / do%: {do_rate:.2f}")
raw_do_chances = sanitize_chance_output(self.rem_xbh * do_rate)
logger.info(f"raw do chances: {raw_do_chances}")
self.double_two = raw_do_chances if self.soft_rate > 0.2 else 0.0
self.double_cf = mround(raw_do_chances - self.double_two)
self.rem_xbh -= mround(self.double_two + self.double_cf + self.double_three)
logger.info(
f"Double**: {self.double_two} / Double(cf): {self.double_cf} / rem xbh: {self.rem_xbh}"
)
self.triple = sanitize_chance_output(self.rem_xbh * tr_rate)
self.rem_xbh = mround(self.rem_xbh - self.triple)
logger.info(f"Triple: {self.triple} / rem xbh: {self.rem_xbh}")
raw_hr_chances = self.rem_xbh
logger.info(f"raw hr chances: {raw_hr_chances}")
if hr_per_fb_rate < 0.08:
self.bp_homerun = sanitize_chance_output(
raw_hr_chances, min_chances=1.0, rounding=1.0
)
elif hr_per_fb_rate > 0.28:
self.homerun = raw_hr_chances
elif hr_per_fb_rate > 0.18:
self.bp_homerun = sanitize_chance_output(
raw_hr_chances * 0.4, min_chances=1.0, rounding=1.0
)
self.homerun = self.rem_xbh - self.bp_homerun
else:
self.bp_homerun = sanitize_chance_output(
raw_hr_chances * 0.75, min_chances=1.0, rounding=1.0
)
self.homerun = mround(self.rem_xbh - self.bp_homerun)
logger.info(f"BP HR: {self.bp_homerun} / ND HR: {self.homerun}")
self.rem_xbh -= self.bp_homerun + self.homerun
logger.info(f"excess xbh: {self.rem_xbh}")
if self.rem_xbh > 0:
if self.triple > 1:
logger.info(f"Passing {self.rem_xbh} xbh to triple")
self.triple += self.rem_xbh
self.rem_xbh = 0.0
elif self.double_cf > 1:
logger.info(f"Passing {self.rem_xbh} xbh to double(cf)")
self.double_cf += self.rem_xbh
self.rem_xbh = 0.0
elif self.double_two > 1:
logger.info(f"Passing {self.rem_xbh} xbh to double**")
self.double_two += self.rem_xbh
self.rem_xbh = 0.0
elif self.single_two > 1:
logger.info(f"Passing {self.rem_xbh} xbh to single**")
self.single_two += self.rem_xbh
self.rem_xbh = 0.0
elif self.single_center > 1:
logger.info(f"Passing {self.rem_xbh} xbh to single(cf)")
self.single_center += self.rem_xbh
self.rem_xbh = 0.0
elif self.single_one > 1:
logger.info(f"Passing {self.rem_xbh} xbh to single*")
self.single_one += self.rem_xbh
self.rem_xbh = 0.0
else:
logger.info(f"Passing {self.rem_xbh} xbh to other_ob")
self.all_other_ob += self.rem_xbh
def calculate_other_ob(self, szn_walks, szn_hbp):
if szn_walks + szn_hbp == 0:
return
this_hbp = sanitize_chance_output(
self.all_other_ob * szn_hbp / (szn_walks + szn_hbp), rounding=1.0
)
logger.info(
f"hbp value candidate: {this_hbp} / all_other_ob: {self.all_other_ob}"
)
self.hbp = max(min(this_hbp, self.all_other_ob), 0)
self.walk = mround(self.all_other_ob - self.hbp)
logger.info(f"self.hbp: {self.hbp} / self.walk: {self.walk}")
def calculate_strikouts(self, szn_strikeouts, szn_ab, szn_hits):
denom = max(szn_ab - szn_hits, 1)
raw_so = sanitize_chance_output(self.all_outs * (szn_strikeouts * 1.2) / denom)
sum_bb_so = self.walk + raw_so
excess = sum_bb_so - mround(math.floor(sum_bb_so))
logger.info(f"raw_so: {raw_so} / sum_bb_so: {sum_bb_so} / excess: {excess}")
self.strikeout = max(raw_so - excess - 0.05, 0.0)
if self.strikeout < 0:
logger.error("Strikeouts are less than zero :confusedpsyduck:")
def calculate_other_outs(self, fb_pct, gb_pct, oppo_pct):
rem_outs = 108 - self.total_chances()
all_fo = sanitize_chance_output(rem_outs * fb_pct)
if self.pit_hand == "L":
self.flyout_lf_b = sanitize_chance_output(all_fo * oppo_pct)
else:
self.flyout_rf_b = sanitize_chance_output(all_fo * oppo_pct)
self.flyout_cf_b = all_fo - self.flyout_lf_b - self.flyout_rf_b
rem_outs -= self.flyout_lf_b + self.flyout_cf_b + self.flyout_rf_b
all_gb = rem_outs
self.groundout_a = sanitize_chance_output(all_gb * self.soft_rate)
self.groundout_b = sanitize_chance_output(all_gb - self.groundout_a)
rem_chances = 108 - self.total_chances()
logger.info(f"Remaining outs: {rem_chances}")
if self.strikeout > 1:
logger.info(f"Passing {rem_chances} outs to strikeouts")
self.strikeout += rem_chances
elif self.flyout_cf_b > 1:
logger.info(f"Passing {rem_chances} outs to fly(cf)")
self.flyout_cf_b += rem_chances
elif self.flyout_rf_b > 1:
logger.info(f"Passing {rem_chances} outs to fly(rf)")
self.flyout_rf_b += rem_chances
elif self.flyout_lf_b > 1:
logger.info(f"Passing {rem_chances} outs to fly(lf)")
self.flyout_lf_b += rem_chances
elif self.groundout_a > 1:
logger.info(f"Passing {rem_chances} outs to gbA")
self.groundout_a += rem_chances
elif self.single_one > 1:
logger.info(f"Passing {rem_chances} outs to single*")
self.single_one += rem_chances
elif self.single_center > 1:
logger.info(f"Passing {rem_chances} outs to single(cf)")
self.single_center += rem_chances
elif self.single_two > 1:
logger.info(f"Passing {rem_chances} outs to single**")
self.single_two += rem_chances
elif self.double_two > 1:
logger.info(f"Passing {rem_chances} outs to double**")
self.double_two += rem_chances
elif self.double_cf > 1:
logger.info(f"Passing {rem_chances} outs to double(cf)")
self.double_cf += rem_chances
elif self.triple > 1:
logger.info(f"Passing {rem_chances} outs to triple")
self.triple += rem_chances
elif self.homerun > 1:
logger.info(f"Passing {rem_chances} outs to homerun")
self.homerun += rem_chances
else:
raise ValueError("Could not complete card")
def get_pitcher_ratings(df_data) -> List[dict]:
# Calculate OB values with min cap (ensure scalar values for comparison)
ob_vl = float(108 * (df_data["BB_vL"] + df_data["HBP_vL"]) / df_data["TBF_vL"])
ob_vr = float(108 * (df_data["BB_vR"] + df_data["HBP_vR"]) / df_data["TBF_vR"])
vl = PitchingCardRatingsModel(
pitchingcard_id=df_data.pitchingcard_id,
pit_hand=df_data.pitch_hand,
vs_hand="L",
all_hits=sanitize_chance_output(
(df_data["AVG_vL"] - 0.05) * 108
), # Subtracting chances from BP results
all_other_ob=sanitize_chance_output(min(ob_vl, 0.8)),
hard_rate=df_data["Hard%_vL"],
med_rate=df_data["Med%_vL"],
soft_rate=df_data["Soft%_vL"],
)
vr = PitchingCardRatingsModel(
pitchingcard_id=df_data.pitchingcard_id,
pit_hand=df_data.pitch_hand,
vs_hand="R",
all_hits=sanitize_chance_output(
(df_data["AVG_vR"] - 0.05) * 108
), # Subtracting chances from BP results
all_other_ob=sanitize_chance_output(min(ob_vr, 0.8)),
hard_rate=df_data["Hard%_vR"],
med_rate=df_data["Med%_vR"],
soft_rate=df_data["Soft%_vR"],
)
vl.all_outs = mround(108 - vl.all_hits - vl.all_other_ob, base=0.5)
vr.all_outs = mround(108 - vr.all_hits - vr.all_other_ob, base=0.5)
logger.info(
f"vL - All Hits: {vl.all_hits} / Other OB: {vl.all_other_ob} / All Outs: {vl.all_outs} "
f"/ Total: {vl.total_chances()}"
)
logger.info(
f"vR - All Hits: {vr.all_hits} / Other OB: {vr.all_other_ob} / All Outs: {vr.all_outs} "
f"/ Total: {vr.total_chances()}"
)
vl.calculate_singles(
df_data["H_vL"],
df_data["H_vL"] - df_data["2B_vL"] - df_data["3B_vL"] - df_data["HR_vL"],
)
vr.calculate_singles(
df_data["H_vR"],
df_data["H_vR"] - df_data["2B_vR"] - df_data["3B_vR"] - df_data["HR_vR"],
)
logger.info(
f"vL: All Hits: {vl.all_hits} / BP Singles: {vl.bp_single} / Single 2: {vl.single_two} / "
f"Single 1: {vl.single_one} / Single CF: {vl.single_center}"
)
logger.info(
f"vR: All Hits: {vr.all_hits} / BP Singles: {vr.bp_single} / Single 2: {vr.single_two} / "
f"Single 1: {vr.single_one} / Single CF: {vr.single_center}"
)
vl.calculate_xbh(
df_data["2B_vL"], df_data["3B_vL"], df_data["HR_vL"], df_data["HR/FB_vL"]
)
vr.calculate_xbh(
df_data["2B_vR"], df_data["3B_vR"], df_data["HR_vR"], df_data["HR/FB_vR"]
)
logger.debug(
f"vL: All XBH: {vl.all_hits - vl.single_one - vl.single_two - vl.single_center - vl.bp_single} / "
f"Double**: {vl.double_two} / Double(cf): {vl.double_cf} / Triple: {vl.triple} / "
f"BP HR: {vl.bp_homerun} / ND HR: {vl.homerun}"
)
logger.debug(
f"vR: All XBH: {vr.all_hits - vr.single_one - vr.single_two - vr.single_center - vr.bp_single} / "
f"Double**: {vr.double_two} / Double(cf): {vr.double_cf} / Triple: {vr.triple} / "
f"BP HR: {vr.bp_homerun} / ND HR: {vr.homerun}"
)
vl.calculate_other_ob(df_data["BB_vL"], df_data["HBP_vL"])
vr.calculate_other_ob(df_data["BB_vR"], df_data["HBP_vR"])
logger.info(
f"vL: All other OB: {vl.all_other_ob} / HBP: {vl.hbp} / BB: {vl.walk} / "
f"Total Chances: {vl.total_chances()}"
)
logger.info(
f"vR: All other OB: {vr.all_other_ob} / HBP: {vr.hbp} / BB: {vr.walk} / "
f"Total Chances: {vr.total_chances()}"
)
vl.calculate_strikouts(
df_data["SO_vL"],
df_data["TBF_vL"] - df_data["BB_vL"] - df_data["IBB_vL"] - df_data["HBP_vL"],
df_data["H_vL"],
)
vr.calculate_strikouts(
df_data["SO_vR"],
df_data["TBF_vR"] - df_data["BB_vR"] - df_data["IBB_vR"] - df_data["HBP_vR"],
df_data["H_vR"],
)
logger.info(
f"vL: All Outs: {vl.all_outs} / Ks: {vl.strikeout} / Current Outs: {vl.total_outs()}"
)
logger.info(
f"vR: All Outs: {vr.all_outs} / Ks: {vr.strikeout} / Current Outs: {vr.total_outs()}"
)
vl.calculate_other_outs(df_data["FB%_vL"], df_data["GB%_vL"], df_data["Oppo%_vL"])
vr.calculate_other_outs(df_data["FB%_vR"], df_data["GB%_vR"], df_data["Oppo%_vR"])
logger.info(f"vL: Total chances: {vl.total_chances()}")
logger.info(f"vR: Total chances: {vr.total_chances()}")
return [vl.custom_to_dict(), vr.custom_to_dict()]
def total_chances(chance_data):
sum_chances = 0
for key in chance_data:
if key not in ["id", "player_id", "cardset_id", "vs_hand", "is_prep"]:
sum_chances += chance_data[key]
return sum_chances
def soft_rate(pct):
if pct > 0.2:
return "high"
elif pct < 0.1:
return "low"
else:
return "avg"
def med_rate(pct):
if pct > 0.65:
return "high"
elif pct < 0.4:
return "low"
else:
return "avg"
def hard_rate(pct):
if pct > 0.4:
return "high"
elif pct < 0.2:
return "low"
else:
return "avg"
def hr_per_fb_rate(pct):
if pct > 0.18:
return "high"
elif pct < 0.08:
return "low"
else:
return "avg"
def all_singles(row, hits_vl, hits_vr):
if int(row[7]) == 0:
tot_singles_vl = 0
else:
tot_singles_vl = hits_vl * (
(int(row[7]) - int(row[8]) - int(row[9]) - int(row[12])) / int(row[7])
)
if int(row[40]) == 0:
tot_singles_vr = 0
else:
tot_singles_vr = hits_vr * (
(int(row[40]) - int(row[41]) - int(row[42]) - int(row[45])) / int(row[40])
)
return mround(tot_singles_vl), mround(tot_singles_vr)
def bp_singles(singles_vl, singles_vr):
bpsi_vl = 5 if singles_vl >= 5 else 0
bpsi_vr = 5 if singles_vr >= 5 else 0
return mround(bpsi_vl), mround(bpsi_vr)
def wh_singles(rem_si_vl, rem_si_vr, hard_rate_vl, hard_rate_vr):
if hard_rate_vl == "low":
whs_vl = 0
else:
whs_vl = rem_si_vl / 2
if hard_rate_vr == "low":
whs_vr = 0
else:
whs_vr = rem_si_vr / 2
return mround(whs_vl), mround(whs_vr)
def one_singles(rem_si_vl, rem_si_vr, soft_rate_vl, soft_rate_vr):
if soft_rate_vl == "high":
oss_vl = rem_si_vl
else:
oss_vl = 0
if soft_rate_vr == "high":
oss_vr = rem_si_vr
else:
oss_vr = 0
return mround(oss_vl), mround(oss_vr)
def bp_homerun(hr_vl, hr_vr, hr_rate_vl, hr_rate_vr):
if hr_rate_vl == "low":
bphr_vl = hr_vl
elif hr_rate_vl == "avg":
bphr_vl = hr_vl * 0.75
else:
bphr_vl = hr_vl * 0.4
if hr_rate_vr == "low":
bphr_vr = hr_vr
elif hr_rate_vr == "avg":
bphr_vr = hr_vr * 0.75
else:
bphr_vr = hr_vr * 0.4
return mround(bphr_vl), mround(bphr_vr)
def triples(all_xbh_vl, all_xbh_vr, triple_rate_vl, triple_rate_vr):
tr_vl = all_xbh_vl * triple_rate_vl if all_xbh_vl > 0 else 0
tr_vr = all_xbh_vr * triple_rate_vr if all_xbh_vr > 0 else 0
return mround(tr_vl), mround(tr_vr)
def two_doubles(all_doubles_vl, all_doubles_vr, soft_rate_vl, soft_rate_vr):
two_doubles_vl = all_doubles_vl if soft_rate_vl == "high" else 0
two_doubles_vr = all_doubles_vr if soft_rate_vr == "high" else 0
return mround(two_doubles_vl), mround(two_doubles_vr)
def hbp_rate(hbp, bb):
if hbp == 0:
return 0
elif bb == 0:
return 1
else:
return hbp / bb
def hbps(all_ob, this_hbp_rate):
if all_ob == 0 or this_hbp_rate == 0:
return 0
else:
return mround(all_ob * this_hbp_rate)
def xchecks(pos, all_chances=True):
if pos.lower() == "p":
return 1 if all_chances else 0
elif pos.lower() == "c":
return 3 if all_chances else 2
elif pos.lower() == "1b":
return 2 if all_chances else 1
elif pos.lower() == "2b":
return 6 if all_chances else 5
elif pos.lower() == "3b":
return 3 if all_chances else 2
elif pos.lower() == "ss":
return 7 if all_chances else 6
elif pos.lower() == "lf":
return 2 if all_chances else 1
elif pos.lower() == "cf":
return 3 if all_chances else 2
else:
return 2 if all_chances else 1
def oppo_fly(all_fly, oppo_rate):
if all_fly == 0 or oppo_rate == 0:
return 0
else:
return mround(all_fly * oppo_rate)
def groundball_a(all_gb, dp_rate):
if all_gb == 0 or dp_rate == 0:
return 0
elif dp_rate > 0.6:
return all_gb
else:
return mround(all_gb * (dp_rate * 1.5))
def balks(total_balks: int, innings: float, season_pct):
try:
total_balks = int(total_balks)
except ValueError:
logger.error(f"Could not read balks: {total_balks} / setting to 0")
total_balks = 0
try:
innings = float(innings)
except ValueError:
logger.error(f"Could not read innings: {innings} / setting to 0")
innings = 0
if innings == 0:
return 0
numerator = total_balks * 290 * season_pct
logger.info(
f"total_balks: {total_balks} / season_pct {season_pct} / innings: {innings} / numerator: {numerator}"
)
return min(round(numerator / innings), 20)
def wild_pitches(total_wps: int, innings: float, season_pct):
if innings == 0:
return 0
# return min(round((int(total_wps) * 200 * season_pct) / float(innings)), 20)
return min(round((int(total_wps) * 200) / float(innings)), 20)
def closer_rating(gf: int, saves: int, games: int):
if gf == 0 or games == 0 or saves == 0:
return None
if gf / games >= 0.875:
return 6
elif gf / games >= 0.8:
return 5
elif gf / games >= 0.7:
return 4
elif gf / games >= 0.55:
return 3
elif gf / games >= 0.4:
return 2
elif gf / games >= 0.25:
return 1
elif gf / games >= 0.1:
return 0
else:
return None