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This repository was archived by the owner on Apr 26, 2025. It is now read-only.

Releases: SamuraiDangyo/mayhem

Mayhem 8.7

14 Dec 12:22
2662cfe

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Bug fixes and simplifications. No functional changes.

Install: make all strip install
Bench: 247216819

Mayhem 8.5

07 Dec 10:13
6522324

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Bug fixes and improvements. Maybe +1 Elo

Bench: 247216819

Install: make all strip install clean

Tests

Finished game 10000 (Mayhem 8.4 vs Mayhem 8.5): 1/2-1/2 {Draw by 3-fold repetition}
Score of Mayhem 8.5 vs Mayhem 8.4: 3360 - 3321 - 3319  [0.502] 10000
...      Mayhem 8.5 playing White: 1708 - 1629 - 1663  [0.508] 5000
...      Mayhem 8.5 playing Black: 1652 - 1692 - 1656  [0.496] 5000
...      White vs Black: 3400 - 3281 - 3319  [0.506] 10000
Elo difference: 1.4 +/- 5.6, LOS: 68.3 %, DrawRatio: 33.2 %
SPRT: llr 0 (0.0%), lbound -inf, ubound inf

Player: Mayhem 8.5
   "Draw by 3-fold repetition": 2075
   "Draw by insufficient mating material": 1169
   "Draw by stalemate": 75
   "Loss: Black mates": 1629
   "Loss: White mates": 1692
   "Win: Black mates": 1652
   "Win: White mates": 1708
Player: Mayhem 8.4
   "Draw by 3-fold repetition": 2075
   "Draw by insufficient mating material": 1169
   "Draw by stalemate": 75
   "Loss: Black mates": 1652
   "Loss: White mates": 1708
   "Win: Black mates": 1629
   "Win: White mates": 1692
Finished match

Mayhem 8.4

16 Nov 00:18
2f53863

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  • Some fixes
  • Some speedups
  • +3 Elo

Install: make all strip install clean

Bench: 247216819

Tests

Finished game 2234 (Mayhem 8.3 vs Mayhem 8.4): * {No result}
Score of Mayhem 8.4 vs Mayhem 8.3: 737 - 712 - 784  [0.506] 2233
...      Mayhem 8.4 playing White: 360 - 368 - 389  [0.496] 1117
...      Mayhem 8.4 playing Black: 377 - 344 - 395  [0.515] 1116
...      White vs Black: 704 - 745 - 784  [0.491] 2233
Elo difference: 3.9 +/- 11.6, LOS: 74.4 %, DrawRatio: 35.1 %
SPRT: llr 0 (0.0%), lbound -inf, ubound inf

Player: Mayhem 8.4
   "Draw by 3-fold repetition": 491
   "Draw by insufficient mating material": 270
   "Draw by stalemate": 23
   "Loss: Black mates": 368
   "Loss: White mates": 344
   "No result": 1
   "Win: Black mates": 377
   "Win: White mates": 360
Player: Mayhem 8.3
   "Draw by 3-fold repetition": 491
   "Draw by insufficient mating material": 270
   "Draw by stalemate": 23
   "Loss: Black mates": 377
   "Loss: White mates": 360
   "No result": 1
   "Win: Black mates": 368
   "Win: White mates": 344
Finished match

Mayhem 8.3

14 Jun 08:17
d6419b2

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  • An Array out of bound bug fixed
  • Plus some cleanups. Macros eliminated
  • No functional changes

Install: make all strip install clean

Bench: 241185678

Mayhem 8.2

30 Apr 08:16
475e6b5

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Slightly improved Mayhem.
Install Mayhem: make all strip install clean
Bench: 241185678

Score of Mayhem 8.2 vs Mayhem 8.1: 2065 - 1992 - 943  [0.507] 5000
...      Mayhem 8.2 playing White: 1066 - 986 - 448  [0.516] 2500
...      Mayhem 8.2 playing Black: 999 - 1006 - 495  [0.499] 2500
...      White vs Black: 2072 - 1985 - 943  [0.509] 5000
Elo difference: 5.1 +/- 8.7, LOS: 87.4 %, DrawRatio: 18.9 %
SPRT: llr 0 (0.0%), lbound -inf, ubound inf

Player: Mayhem 8.2
   "Draw by 3-fold repetition": 640
   "Draw by adjudication": 9
   "Draw by fifty moves rule": 11
   "Draw by insufficient mating material": 275
   "Draw by stalemate": 8
   "Loss: Black mates": 98
   "Loss: Black wins by adjudication": 888
   "Loss: White mates": 120
   "Loss: White wins by adjudication": 886
   "Win: Black mates": 102
   "Win: Black wins by adjudication": 897
   "Win: White mates": 119
   "Win: White wins by adjudication": 947
Player: Mayhem 8.1
   "Draw by 3-fold repetition": 640
   "Draw by adjudication": 9
   "Draw by fifty moves rule": 11
   "Draw by insufficient mating material": 275
   "Draw by stalemate": 8
   "Loss: Black mates": 102
   "Loss: Black wins by adjudication": 897
   "Loss: White mates": 119
   "Loss: White wins by adjudication": 947
   "Win: Black mates": 98
   "Win: Black wins by adjudication": 888
   "Win: White mates": 120
   "Win: White wins by adjudication": 886
Finished match

Mayhem 8.1

01 Apr 19:41
0965f1c

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  • Some fixes + simplifications + ( MayhemDuck 2.3 + 2.4 )
    Bench: 30730723
Score of Mayhem 8.1 vs Mayhem 8.0: 690 - 687 - 479  [0.501] 1856
Started game 1857 of 1000000 (Mayhem 8.1 vs Mayhem 8.0)
Terminating process of engine Mayhem 8.0(1)
Terminating process of engine Mayhem 8.1(0)

Finished game 1857 (Mayhem 8.1 vs Mayhem 8.0): * {No result}
Score of Mayhem 8.1 vs Mayhem 8.0: 690 - 687 - 479  [0.501] 1856
...      Mayhem 8.1 playing White: 331 - 353 - 244  [0.488] 928
...      Mayhem 8.1 playing Black: 359 - 334 - 235  [0.513] 928
...      White vs Black: 665 - 712 - 479  [0.487] 1856
Elo difference: 0.6 +/- 13.6, LOS: 53.2 %, DrawRatio: 25.8 %
Finished match

Mayhem 8.0

31 Dec 20:37
647dd92

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Just a little fix. No improvements over v7.9
bench: 30730735

MayhemDuck-2.2 is Mayhem for duck chess variant.

Mayhem 7.9

12 Dec 21:52
8610123

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  • A few fixes for variants ( pawns on 1 / 8 ranks )
  • cast clutter cleaned out
  • Fixed MayhemDuck 1.8. Now it works properly

bench: 30730735

Mayhem 7.8

04 Dec 10:22
0c06752

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  • Some cleanups
  • Support for theban + other variants
  • Modest Elo gain +5 Elo
  • Classic version can now be compiled w/ -DCLASSIC
  • MayhemDuck 1.6. Some fixes for buggy GUIs

bench: 30730735

Mayhem 7.7

19 Nov 16:03
dd5665d

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  • Strongest Mayhem yet
  • Bug fixes. 1 critical bug fixed !
  • Various speedups / simplifications
  • +10 Elo vs v7.6

Signatures

  • perft: 119060324
  • bench: 16021954

MayhemDuck 1.5

MayhemDuck 1.5 also released.
The strongest Linux DuckChess engine atm.
MayhemDuck is a Mayhem clone which play only DuckChess variant.

Test: 1s FRC

Score of Mayhem 7.7 vs Mayhem 7.6: 618 - 577 - 334  [0.513] 1529
...      Mayhem 7.7 playing White: 305 - 282 - 178  [0.515] 765
...      Mayhem 7.7 playing Black: 313 - 295 - 156  [0.512] 764
...      White vs Black: 600 - 595 - 334  [0.502] 1529
Elo difference: 9.3 +/- 15.4, LOS: 88.2 %, DrawRatio: 21.8 %
Finished match

Test: 1s STD

Score of Mayhem 7.7 vs Fruit 2.1: 1175 - 10 - 14  [0.986] 1199
...      Mayhem 7.7 playing White: 586 - 5 - 9  [0.984] 600
...      Mayhem 7.7 playing Black: 589 - 5 - 5  [0.987] 599
...      White vs Black: 591 - 594 - 14  [0.499] 1199
Elo difference: 736.9 +/- 78.7, LOS: 100.0 %, DrawRatio: 1.2 %
Finished match