Independent guide
This independent Daga CPC guide supplies its own free Corner Sentinel Mines demo. Operator identity, domains, licence, apps, payments, support and commercial game equivalence have not been independently verified. No operator account or commercial link is supplied here.
Exactly one corner hazard
Choose 3,4 or 5 hazards on a 4×4 board. Exactly one of the four corners A 1,A 4,D 1,D 4 is a hazard; the other hazards occupy the 12 non-corner cells. All 264/880/1980 legal layouts respectively are equally likely and stay fixed during a round.
Expected return and variance
Exact expected return is 97% for permitted stopping policies. The initial 3% reduction is applied once; conditional safe-branch compensation preserves expectation. Choosing coordinates or stopping changes risk and variance, not this expectation. A short session is not guaranteed to match it.
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Frequently asked questions
Is this an operator website?
This independent Daga CPC guide supplies its own free Corner Sentinel Mines demo. Operator identity, domains, licence, apps, payments, support and commercial game equivalence have not been independently verified. No operator account or commercial link is supplied here.
What is the corner constraint?
Choose 3,4 or 5 hazards on a 4×4 board. Exactly one of the four corners A 1,A 4,D 1,D 4 is a hazard; the other hazards occupy the 12 non-corner cells. All 264/880/1980 legal layouts respectively are equally likely and stay fixed during a round.
How is value calculated?
Live value starts at 0.97 times the virtual stake. A safe reveal divides it by that cell’s exact conditional safe probability among the remaining compatible legal layouts. A hazard ends the round with zero return. Reveals change knowledge, not the hidden layout.
What are the initial odds?
With 3 hazards, each corner is initially safe with probability 3/4, while each non-corner is safe with probability 10/12. From a 20-coin stake, a safe first corner gives 20×0.97/(3/4),about 25.867 coins; a safe non-corner gives 20×0.97/(10/12),23.28 coins. Subsequent probabilities count compatible layouts and may rise or fall.
When can I collect?
Collect is available after a safe reveal. Proven hazards are unavailable; proven-safe cells have probability 1 and add no value. A choice with next value above 1000 times stake is unavailable. When no eligible uncertain choice remains, the current value is banked automatically. The guard is not a promise that 1000×stake can be reached.
Explore the free Corner Sentinel game and its exact cell odds.
