AIIDE 2021 - McRave versus BananaBrain
McRave and BananaBrain both recorded all 157 of their mutual games. I chose to put McRave down the left side of the strategy cross, because its longer strategy names make the table hard to read otherwise. I also trimmed off the “PvZ_” and “Z_” prefixes from BananaBrain’s strategy names for compactness.
Blue is good for McRave, red is good for BananaBrain.
mcrave strategies versus bananabrain strategies
| overall | 10/12gate | 1basespeedzeal | 2basespeedzeal | 4gate2archon | 5gategoon | 9/9gate | 9/9proxygate | bisu | neobisu | sairdt | sairgoon | sairreaver | stove | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| overall | 28/157 18% | 8/54 15% | 1/3 33% | 1/5 20% | 1/1 100% | 1/1 100% | 1/1 100% | 2/8 25% | 1/5 20% | 1/4 25% | 1/3 33% | 2/12 17% | 1/1 100% | 7/59 12% |
| HatchPool,12Hatch,2HatchMuta | 16/86 19% | 3/28 11% | 1/1 100% | 1/3 33% | 1/1 100% | 1/1 100% | 1/1 100% | 0/1 0% | - | 1/4 25% | 0/2 0% | 2/10 20% | 1/1 100% | 4/33 12% |
| HatchPool,12Hatch,2HatchSpeedling | 0/1 0% | - | - | - | - | - | - | 0/1 0% | - | - | - | - | - | - |
| HatchPool,9Pool,2HatchSpeedling | 2/2 100% | - | - | - | - | - | - | 2/2 100% | - | - | - | - | - | - |
| PoolHatch,9Pool,2HatchMuta | 3/15 20% | 0/2 0% | - | - | - | - | - | - | 0/3 0% | - | - | - | - | 3/10 30% |
| PoolHatch,9Pool,2HatchSpeedling | 0/3 0% | - | - | - | - | - | - | 0/3 0% | - | - | - | - | - | - |
| PoolHatch,9Pool,3HatchMuta | 4/19 21% | 4/13 31% | - | 0/1 0% | - | - | - | - | 0/1 0% | - | - | - | - | 0/4 0% |
| PoolHatch,9Pool,6HatchHydra | 0/2 0% | - | - | - | - | - | - | - | - | - | - | 0/1 0% | - | 0/1 0% |
| PoolHatch,Overpool,2HatchMuta | 0/4 0% | 0/2 0% | 0/1 0% | - | - | - | - | - | - | - | - | 0/1 0% | - | - |
| PoolHatch,Overpool,2HatchSpeedling | 0/1 0% | - | - | - | - | - | - | 0/1 0% | - | - | - | - | - | - |
| PoolHatch,Overpool,3HatchMuta | 3/14 21% | 1/9 11% | 0/1 0% | - | - | - | - | - | 1/1 100% | - | 1/1 100% | - | - | 0/2 0% |
| PoolHatch,Overpool,6HatchHydra | 0/10 0% | - | - | 0/1 0% | - | - | - | - | - | - | - | - | - | 0/9 0% |
There we have the explanation for the 2 lonely HatchPool,9Pool,2HatchSpeedling games: The strategy was a successful reaction to proxy gates. I read it as meaning that the build is 9 hatch, 9 pool, and gas soon for the zergling speed upgrade.
BananaBrain split its effort between 10-12 gate and the Stove (a scout into dark templar build), very different builds. McRave answered both mostly with 12 hatch into 2 hatch muta. A hydralisk opening would have been a more natural way to counter both, but play what you’re good at.
mcrave as seen by bananabrain
| mcrave played | # | bananabrain recognized |
|---|---|---|
| HatchPool,12Hatch,2HatchMuta | 86 | 84 12hatch | 2 unknown |
| HatchPool,12Hatch,2HatchSpeedling | 1 | 1 unknown |
| HatchPool,9Pool,2HatchSpeedling | 2 | 2 12pool |
| PoolHatch,9Pool,2HatchMuta | 15 | 8 9pool | 7 overpool |
| PoolHatch,9Pool,2HatchSpeedling | 3 | 2 overpool | 1 9pool |
| PoolHatch,9Pool,3HatchMuta | 19 | 13 9pool | 6 overpool |
| PoolHatch,9Pool,6HatchHydra | 2 | 1 overpool | 1 9pool |
| PoolHatch,Overpool,2HatchMuta | 4 | 4 overpool |
| PoolHatch,Overpool,2HatchSpeedling | 1 | 1 overpool |
| PoolHatch,Overpool,3HatchMuta | 14 | 14 overpool |
| PoolHatch,Overpool,6HatchHydra | 10 | 10 overpool |
BananaBrain was accurate in recognizing 12 hatch and overpool, but had trouble with 9 pool. It did not try to narrow the build down any further than that.
bananabrain as seen by mcrave
| bananabrain played | # | mcrave recognized |
|---|---|---|
| 10/12gate | 54 | 31 2Gate,10/12,Corsair | 8 2Gate,10/12,DT | 4 2Gate,10/12,ZealotRush | 3 2Gate,10/17,Corsair | 2 2Gate,Unknown,Corsair | 2 2Gate,9/9,DT | 2 2Gate,9/9,Corsair | 1 2Gate,10/17,4Gate | 1 2Gate,10/17,DT |
| 1basespeedzeal | 3 | 2 1GateCore,2Zealot,DT | 1 1GateCore,2Zealot,Corsair |
| 2basespeedzeal | 5 | 3 FFE,Forge,Speedlot | 1 FFE,Nexus,Speedlot | 1 FFE,Nexus,5GateGoon |
| 4gate2archon | 1 | 1 FFE,Forge,5GateGoon |
| 5gategoon | 1 | 1 FFE,Nexus,5GateGoon |
| 9/9gate | 1 | 1 2Gate,9/9,Corsair |
| 9/9proxygate | 8 | 7 2Gate,Proxy,ZealotRush | 1 2Gate,9/9,Unknown |
| bisu | 5 | 2 FFE,Forge,Unknown | 2 FFE,Forge,5GateGoon | 1 FFE,Nexus,Unknown |
| neobisu | 4 | 4 FFE,Forge,Speedlot |
| sairdt | 3 | 3 1GateCore,2Zealot,Corsair |
| sairgoon | 12 | 6 FFE,Forge,5GateGoon | 2 FFE,Nexus,5GateGoon | 2 FFE,Forge,Unknown | 1 FFE,Gateway,5GateGoon | 1 FFE,Gateway,Unknown |
| sairreaver | 1 | 1 FFE,Forge,Unknown |
| stove | 59 | 27 1GateCore,2Zealot,Corsair | 10 1GateCore,Unknown,Corsair | 6 1GateCore,Unknown,DT | 6 1GateCore,2Zealot,DT | 3 2Gate,10/12,DT | 3 2Gate,10/12,ZealotRush | 2 2Gate,10/17,4Gate | 1 2Gate,10/17,DT | 1 2Gate,10/12,4Gate |
In 1-base protoss plays, McRave tried to distinguish when the gates were made, and often got it right but had some trouble. It seems like something you can’t do perfectly, even if you combine direct scouting of the gates with inferences based on the enemy army. Recognizing the enemy build precisely doesn’t seem possible in general, though you can usually get close.
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