OopsMate

This is a chess engine written in rust, with 0 external dependencies. It contains:

• strikes: crate for attack patterns
• nnuebie: Stockfish Half_ka_hm_v2 port
• nnue-core: Same stockfish Half_ka_hm_v2 inference but without the optimizations. Good starting ground

Development Has been shifted to OopsMate-V2 as a clean rewrite. V2 aims to reach atleast top 50

License

OopsMate is licensed under the GNU General Public License v3.0 only. See LICENSE.

Fair Play

OopsMate is an educational and benchmarking-focused chess engine. Do not use it for computer-assisted play on online chess platforms or in any setting where engine assistance is prohibited.

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Based off of internal testing, we are ~3.3k

OopsMate vs Minke (3464 CCRL 40/15):

Score of OopsMate-abation vs Minke: 10 - 56 - 34  [0.270] 100
...      OopsMate-abation playing White: 7 - 19 - 24  [0.380] 50
...      OopsMate-abation playing Black: 3 - 37 - 10  [0.160] 50
...      White vs Black: 44 - 22 - 34  [0.610] 100
Elo difference: -172.8 +/- 58.7, LOS: 0.0 %, DrawRatio: 34.0 %
SPRT: llr 0 (0.0%), lbound -inf, ubound inf

OopsMate vs Eleanor (3402 CCRL 40/15):

Score of OopsMate vs Eleanor: 19 - 35 - 46  [0.420] 100
...      OopsMate playing White: 11 - 10 - 29  [0.510] 50
...      OopsMate playing Black: 8 - 25 - 17  [0.330] 50
...      White vs Black: 36 - 18 - 46  [0.590] 100
Elo difference: -56.1 +/- 50.4, LOS: 1.5 %, DrawRatio: 46.0 %
SPRT: llr 0 (0.0%), lbound -inf, ubound inf

OopsMate Vs Combusken (3370 CCRL 40/15):

Finished game 100 (Combusken vs OopsMate): 0-1 {Black wins by adjudication}
Score of OopsMate vs Combusken: 61 - 14 - 25  [0.735] 100
...      OopsMate playing White: 40 - 1 - 9  [0.890] 50
...      OopsMate playing Black: 21 - 13 - 16  [0.580] 50
...      White vs Black: 53 - 22 - 25  [0.655] 100
Elo difference: 177.2 +/- 64.7, LOS: 100.0 %, DrawRatio: 25.0 %

OopsMate Vs Bitbit ( 3302 CCRL 40/15 ):

Score of OopsMate vs Bitbit: 37 - 29 - 34  [0.540] 100
...      OopsMate playing White: 27 - 9 - 14  [0.680] 50
...      OopsMate playing Black: 10 - 20 - 20  [0.400] 50
...      White vs Black: 47 - 19 - 34  [0.640] 100
Elo difference: 27.9 +/- 55.8, LOS: 83.8 %, DrawRatio: 34.0 %

OopsMate vs Seredina (3204 CCRL):

Score of OopsMate vs Seredina: 59 - 8 - 33  [0.755] 100
...      OopsMate playing White: 39 - 2 - 9  [0.870] 50
...      OopsMate playing Black: 20 - 6 - 24  [0.640] 50
...      White vs Black: 45 - 22 - 33  [0.615] 100
Elo difference: 195.5 +/- 59.9, LOS: 100.0 %, DrawRatio: 33.0 %
SPRT: llr 0 (0.0%), lbound -inf, ubound inf

OopsMate vs Meltdown (3064 CCRL 40/15):

Finished game 100 (Meltdown vs OopsMate): 1/2-1/2 {Draw by adjudication}
Score of OopsMate vs Meltdown: 74 - 5 - 21  [0.845] 100
...      OopsMate playing White: 43 - 0 - 7  [0.930] 50
...      OopsMate playing Black: 31 - 5 - 14  [0.760] 50
...      White vs Black: 48 - 31 - 21  [0.585] 100
Elo difference: 294.6 +/- 75.5, LOS: 100.0 %, DrawRatio: 21.0 %
SPRT: llr 0 (0.0%), lbound -inf, ubound inf

Note

Command Used To Test:

cutechess-cli \
 -engine cmd=./oops_mate name="OopsMate" \
 -engine cmd=./<opponent_binary> name="<opponent_name>" \
 -each proto=uci tc=40/15 \
 -rounds 100 \
 -openings file=Modern.pgn format=pgn order=random plies=16 \
 -pgnout match_40_4.pgn \
 -concurrency 1 \
 -draw movenumber=40 movecount=8 score=10 \
 -resign movecount=5 score=600