With no addnodes I synced to

```
GetStakeEntropyBit: nHeight=17899 hashBlock=00000af59daa9d15f74e8609c850ec4247c1281d90f274480e99e5326322be6b nEntropyBit=1
UpdateTip: new best=00000af59daa9d15f74e8609c850ec4247c1281d90f274480e99e5326322be6b  height=17899  log2_work=35.684009  tx=18192  date=2018-06-13 01:21:54 progress=0.995294  cache=16556 unixtime=1528852914
ProcessNewBlock : ACCEPTED in 1 milliseconds with size=247
```

``` json
{
  "hash": "00000af59daa9d15f74e8609c850ec4247c1281d90f274480e99e5326322be6b",
  "confirmations": 1,
  "size": 247,
  "height": 17899,
  "version": 4,
  "merkleroot": "61b67f13ad89bf4d18bb92ee4ed84d711342f3fa44f570fc0061488c88f91cfb",
  "acc_checkpoint": "0000000000000000000000000000000000000000000000000000000000000000",
  "tx": [
    "61b67f13ad89bf4d18bb92ee4ed84d711342f3fa44f570fc0061488c88f91cfb"
  ],
  "time": 1528852914,
  "nonce": 147714,
  "bits": "1e0fffff",
  "difficulty": 0.00024414,
  "chainwork": "0000000000000000000000000000000000000000000000000000000cda504b14",
  "previousblockhash": "00000ebacc7f5f3959be0b6e2e1706c0e978656fc25097ef1fe0588516744cc2",
  "moneysupply": 103121527.20313826,
  "zBWSsupply": {
    "1": 4.00000000,
    "5": 0.00000000,
    "10": 20.00000000,
    "50": 50.00000000,
    "100": 0.00000000,
    "500": 0.00000000,
    "1000": 4000.00000000,
    "5000": 130000.00000000,
    "total": 134074.00000000
  }
}
```

On what appears to be the "correct" chain:

``` json
{
  "hash": "000003eb45a5cf9ca69ae1316b94a4e26e49619881bf4f8a986479322c26c583",
  "confirmations": 6843,
  "size": 247,
  "height": 17899,
  "version": 4,
  "merkleroot": "17417f3b5000bc5c34ceda398a1fbe25b47102fc8558bd47986c473e66aab17a",
  "acc_checkpoint": "0000000000000000000000000000000000000000000000000000000000000000",
  "tx": [
    "17417f3b5000bc5c34ceda398a1fbe25b47102fc8558bd47986c473e66aab17a"
  ],
  "time": 1528842971,
  "nonce": 625728,
  "bits": "1e04e9de",
  "difficulty": 0.00079498,
  "chainwork": "0000000000000000000000000000000000000000000000000000000cb2358ab9",
  "previousblockhash": "0000013aaeec9027617251dfc728ea9c75890827d0d04f49c7a11017464bc011",
  "nextblockhash": "00000516fdcb7254523f1c10aa9ea2f2a374b4982230c5f61a850c700ce60d6e",
  "moneysupply": 103122260.80839618,
  "zBWSsupply": {
    "1": 4.00000000,
    "5": 0.00000000,
    "10": 20.00000000,
    "50": 50.00000000,
    "100": 0.00000000,
    "500": 0.00000000,
    "1000": 4000.00000000,
    "5000": 130000.00000000,
    "total": 134074.00000000
  }
}
```

Quick diagnostic revealed

```
MAIN ======
0	000003d0cfd60da5030fab898517367c2265e4b4a037aa8d93d4d8df2cc5dfe4
1000	00000b5c9a76d8047a1bbfefcc205329685591842516d1286da71201996fe835
2000	00000ba783fe8288d0c57cebce1f98c07e3abf602a7f023ad6a8ff0d28e52304
3000	00000767686d0f854b4b8895a6d5886ec8b13ef7a22a39233ec82ffdd78063c4
4000	000000fce27b9bf712bee3fb11a9cd238e7dbba42cc905e4c65334cd6cedd42c
5000	00000292a0e051b5dc33c55bfb75d9f378e69d1fd524b927cc959ba06eb28e6d
6000	0000070b72143941f848bf29e36bd60a44c45c5c1f96f3d25bfc069647453a22
7000	000005710c56ef57c666231f1e42a3f3f5d6958788630e2f427af24caf1dba79
8000	00000155ab22158585300cdbd824d4148ec335e69be570548f80a9b269ce7fce
9000	000007cb351042310a451a6f8361e7c25866e0a9513f4bd69260945af79560cd
10000	0000044fb72b0a9a7e7222d198fb285ddff22d5047b4e56cadc5047ef441bc56
11000	000003405dfca1f766765a0730f18c7ceb9f3d5216b32e59ff92e29ae410fb8f
12000	0000027c38769f6b47243ef39daab4b6e43e7c8d73ef64898afed6687daa554a
13000	000000513ede0a6cf61d4e56ff83544a97c2afe3922adf53e9993049a248c7e0
14000	00000114c5f80043a3254cc7fdfa384da7e8797d65fa2ccd0f99a9dd90c197fd
15000	000000a13ad36bbbf403b856563e307d4319c0176a0f5405fa850f7660c4c83c
16000	000000798533ffeda474ef6e3eff3713754e88980d527c491214bae5df983957
17000	000006ae45e7d3ce96a58fafce9aa4f3fb55d5897a81569e5bd07bfc480568cc
18000	000002efd1d16fdc2ec371e5a25ab2ef9578d928e516e8162079eb478bf19c60
19000	00000004a080907c53632e1033bedad82d1627659bc8b27b8fd75403342708f2
20000	000003d2e9017668335e0658cac4bcf2f761d8b7c881ac1954b51661b2e113e7
21000	0000006862edb755a133bf7248b02980053e56d577fa4625eb857fbdaf6995a3
22000	0000011ba128865e4c1eaad7eb7abb1d3183ced2788a732e11248e6442c8f88e
23000	000001a82efce62d5ec9b14202b33116495e874a5e97934d4e794cdcfb850bca
24000	aacdbfb67f8fbf69b629084c941ec6dff42984988b3871f6ee65faf1c48d2347


FORK ======
0   	000003d0cfd60da5030fab898517367c2265e4b4a037aa8d93d4d8df2cc5dfe4
1000	00000b5c9a76d8047a1bbfefcc205329685591842516d1286da71201996fe835
2000	00000ba783fe8288d0c57cebce1f98c07e3abf602a7f023ad6a8ff0d28e52304
3000	00000767686d0f854b4b8895a6d5886ec8b13ef7a22a39233ec82ffdd78063c4
4000	000000fce27b9bf712bee3fb11a9cd238e7dbba42cc905e4c65334cd6cedd42c
5000	00000292a0e051b5dc33c55bfb75d9f378e69d1fd524b927cc959ba06eb28e6d
6000	0000070b72143941f848bf29e36bd60a44c45c5c1f96f3d25bfc069647453a22
7000	000005710c56ef57c666231f1e42a3f3f5d6958788630e2f427af24caf1dba79
8000	00000155ab22158585300cdbd824d4148ec335e69be570548f80a9b269ce7fce
9000	000007cb351042310a451a6f8361e7c25866e0a9513f4bd69260945af79560cd
10000	0000044fb72b0a9a7e7222d198fb285ddff22d5047b4e56cadc5047ef441bc56
11000	000003405dfca1f766765a0730f18c7ceb9f3d5216b32e59ff92e29ae410fb8f
12000	0000027c38769f6b47243ef39daab4b6e43e7c8d73ef64898afed6687daa554a
13000	000000513ede0a6cf61d4e56ff83544a97c2afe3922adf53e9993049a248c7e0
14000	00000114c5f80043a3254cc7fdfa384da7e8797d65fa2ccd0f99a9dd90c197fd
15000	000000a13ad36bbbf403b856563e307d4319c0176a0f5405fa850f7660c4c83c
16000	000000798533ffeda474ef6e3eff3713754e88980d527c491214bae5df983957
17000	0000015460c603afedfaf2ce14ddf53e6d82310a49b1bad0bc77e1861ebd63b4
```

So they forked sometime between 16k-17k. As I read it the fork actually has more chainwork, which is probably why peers get confused and stuck on the wrong chain if they see it. This would still lead me to prefer a checkpoint.