# Cinnamon chess engine - Regression test

## cinnamon 1.2a

Test file | Solved
wac.epd | 273/300
arasan12.epd | 15/215
sbd.epd | 46/134
kaufman.epd | 20/25
zugzwang.epd | 2/5
bk.epd | 16/24
mate.epd | 55/71

tc = 40/4, no tablebase, no open book

Rank Name | Elo | + | - | games | score | oppo. | draws
cinnamon 1.2a | 14 | 5 | 5 | 4740 | 54% | -14% | 32%
cinnamon 1.1c | -14 | 5 | 5 | 4740 | 46% | 14% | 32%

tc = 40/4, tablebase, open book

Rank Name | Elo | + | - | games | score | oppo. | draws
cinnamon 1.2a | 21 | 6 | 5 | 4244 | 56% | -21% | 28%
cinnamon 1.1c | -21 | 5 | 6 | 4244 | 44% | 21% | 28%

perft depth 5 one cpu no hash fen r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -

on i5 CPU M 430 2.27GHz Linux 3.2.0-57-generic gcc 4.8.2

19 sec.

## cinnamon 1.1c

Test file | Solved
wac.epd | 277/300
arasan12.epd | 16/215
sbd.epd | 40/134
kaufman.epd | 20/25
zugzwang.epd | 3/5
bk.epd | 17/24
mate.epd | 57/71
BT2450.epd | 2442

Rank Name | Elo | + | - | games | score | oppo. | draws
cinnamon 1.1c |  |  |  | 4000 |  |  | 61%
cinnamon 1.0 |  |  |  | 4000 |  |  | 39%

perft depth 5 one cpu no hash fen r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -

on i5 CPU M 430 2.27GHz Linux 3.2.0-48-generic gcc 4.8.1

17 sec.

## cinnamon 1.0

Test file | Solved
wac.epd | 277/300
arasan12.epd | 17/215
sbd.epd | 67/134
kaufman.epd | 17/25
zugzwang.epd | 2/5
bk.epd | 14/24
mate.epd | 56/71
BT2450.epd | 2222

Rank Name | Elo | + | - | games | score | oppo. | draws
cinnamon 1.0 | 49 | 6 | 6 | 8000 | 65% | -49 | 41%
butterfly 0.6 | -49 | 6 | 6 | 8000 | 35% | 49 | 41%

perft depth 5 one cpu no hash fen r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -

on i5 CPU M 430 2.27GHz Linux 3.2.0-48-generic gcc 4.8.1

22 sec.

## butterfly 0.6

Test file | Solved
wac.epd | 273/300
arasan12.epd | 14/215
sbd.epd | 40/134
kaufman.epd | 13/25
zugzwang.epd | 2/5
bk.epd | 12/24
mate.epd | 56/71
BT2450.epd | 1847

Rank Name | Elo | + | - | games | score | oppo. | draws
butterfly 0.6 | 40 | 6 | 6 | 7919 | 64% | -40 | 55%
butterfly 0.5 | -40 | 6 | 6 | 7919 | 36% | 40 | 55%

perft depth 5 one cpu no hash fen r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -

on i5 CPU M 430 2.27GHz Linux 3.2.0-48-generic gcc 4.8.1

28 sec.

## butterfly 0.5

Test file | Solved
wac.epd | 266/300
arasan12.epd | 16/215
sbd.epd | 39/134
kaufman.epd | 8/25
zugzwang.epd | 3/5
bk.epd | 12/24
mate.epd | 67/71
BT2450 | 1806

Rank Name | Elo | + | - | games | score | oppo. | draws
butterfly 0.5 | 32 | 6 | 6 | 6820 | 62% | -32 | 65%
butterfly 0.4 | -32 | 6 | 6 | 6820 | 38% | 32 | 65%

perft depth 5 one cpu no hash fen r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -

on i5 CPU M 430 2.27GHz Linux 3.2.0-48-generic gcc 4.8.1

23 sec.

## butterfly 0.4

Test file | Solved
wac.epd | 239/300
arasan12.epd | 22/215
sbd.epd | 38/134
kaufman.epd | 7/25
zugzwang.epd | 3/5
bk.epd | 9/24
mate.epd | 67/71

Rank Name | Elo | + | - | games | score | oppo. | draws
butterfly 0.4 | 48 | 6 | 6 | 7991 | 66% | -48 | 52%
butterfly 0.3.3 | -48 | 6 | 6 | 7991 | 34% | 48 | 52%

perft depth 5 one cpu no hash fen r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -

on i5 CPU M 430 2.27GHz Linux 3.2.0-48-generic gcc 4.8.1

32 sec.

## butterfly 0.3.3

Test file | Solved
wac.epd | 228/300
arasan12.epd | 20/215
sbd.epd | 40/134
kaufman.epd | 6/25
zugzwang.epd | 3/5
bk.epd | 9/24
mate.epd | 66/71

perft depth 5 one cpu no hash fen r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -

on i5 CPU M 430 2.27GHz Linux 3.2.0-48-generic gcc 4.8.1

31 sec.