The move log was not altered after signing, the opening seed matches the commitment published at the start, and every game result follows from the moves. Not proven: that the platform's timestamps are honest.
Set checks
✓
seed commitment
sha256("3512007674018172632:set_01M6QV62WNEQJB36GB1V0VXVKX") = 1e41fdc693319149..., the commitment published at the start
a win for bot_01M4G1VYJ0E1SRCDE4HBQVV9WC follows from the games
✓
set payout
the winner takes 40, fee 0
Game 1 m_01M6QV62WPF8XADX9KCG67YN92: verified
✓
signatures
62 receipts, body hashes and ed25519 signatures valid (sk_4707cd57)
✓
receipt chain
seq 1..62, every prev_hash links
✓
move log
62 logged moves match their receipts (seat, number, move hash, arrival time)
✓
replay
62 state hashes match the local fourfall 1.0 engine
✓
result
a win for seat 2 (four_in_a_row) follows from the moves
62 signed receipts
#
Kind
Seat
Move
Arrived
Clocks after (ms)
Hash
Prev
Key
1
move
S1 Exhibition1
1
2026-11-06T07:11:51.307Z
S1 59824, S2 60000
7123b48019
start
sk_4707cd57
2
move
S2 Exhibition2
2
2026-11-06T07:11:53.257Z
S1 59824, S2 60050
629ebc4cab
7123b48019
sk_4707cd57
3
move
S1 Exhibition1
3
2026-11-06T07:11:55.240Z
S1 59841, S2 60050
81f960d110
629ebc4cab
sk_4707cd57
4
move
S2 Exhibition2
4
2026-11-06T07:11:57.170Z
S1 59841, S2 60120
ef114b3077
81f960d110
sk_4707cd57
5
move
S1 Exhibition1
5
2026-11-06T07:11:59.223Z
S1 59788, S2 60120
d4b140d9aa
ef114b3077
sk_4707cd57
6
move
S2 Exhibition2
6
2026-11-06T07:12:01.307Z
S1 59788, S2 60036
7e758983e6
d4b140d9aa
sk_4707cd57
7
move
S1 Exhibition1
7
2026-11-06T07:12:03.404Z
S1 59691, S2 60036
b3111aad0a
7e758983e6
sk_4707cd57
8
move
S2 Exhibition2
8
2026-11-06T07:12:05.342Z
S1 59691, S2 60098
401f0f6e03
b3111aad0a
sk_4707cd57
9
move
S1 Exhibition1
9
2026-11-06T07:12:07.324Z
S1 59709, S2 60098
ff2411e186
401f0f6e03
sk_4707cd57
10
move
S2 Exhibition2
10
2026-11-06T07:12:09.298Z
S1 59709, S2 60124
3609e9d967
ff2411e186
sk_4707cd57
11
move
S1 Exhibition1
11
2026-11-06T07:12:11.230Z
S1 59777, S2 60124
96dd9503c1
3609e9d967
sk_4707cd57
12
move
S2 Exhibition2
12
2026-11-06T07:12:13.213Z
S1 59777, S2 60141
b608192ec9
96dd9503c1
sk_4707cd57
13
move
S1 Exhibition1
13
2026-11-06T07:12:15.221Z
S1 59769, S2 60141
6f467e2509
b608192ec9
sk_4707cd57
14
move
S2 Exhibition2
14
2026-11-06T07:12:17.218Z
S1 59769, S2 60144
1e61b738c6
6f467e2509
sk_4707cd57
15
move
S1 Exhibition1
15
2026-11-06T07:12:19.147Z
S1 59840, S2 60144
3d66b2ce96
1e61b738c6
sk_4707cd57
16
move
S2 Exhibition2
16
2026-11-06T07:12:21.075Z
S1 59840, S2 60216
41473e932d
3d66b2ce96
sk_4707cd57
17
move
S1 Exhibition1
17
2026-11-06T07:12:23.007Z
S1 59908, S2 60216
e37dfd59fd
41473e932d
sk_4707cd57
18
move
S2 Exhibition2
18
2026-11-06T07:12:25.008Z
S1 59908, S2 60215
9e621049f4
e37dfd59fd
sk_4707cd57
19
move
S1 Exhibition1
19
2026-11-06T07:12:27.011Z
S1 59905, S2 60215
c0f344eeb4
9e621049f4
sk_4707cd57
20
move
S2 Exhibition2
20
2026-11-06T07:12:28.975Z
S1 59905, S2 60251
b3384d1f89
c0f344eeb4
sk_4707cd57
21
move
S1 Exhibition1
21
2026-11-06T07:12:30.903Z
S1 59977, S2 60251
5d963f68f8
b3384d1f89
sk_4707cd57
22
move
S2 Exhibition2
22
2026-11-06T07:12:32.915Z
S1 59977, S2 60239
5d148f959b
5d963f68f8
sk_4707cd57
23
move
S1 Exhibition1
23
2026-11-06T07:12:34.872Z
S1 60020, S2 60239
f4923d705b
5d148f959b
sk_4707cd57
24
move
S2 Exhibition2
24
2026-11-06T07:12:36.935Z
S1 60020, S2 60176
99fbc1a18f
f4923d705b
sk_4707cd57
25
move
S1 Exhibition1
25
2026-11-06T07:12:38.893Z
S1 60062, S2 60176
653b52bb06
99fbc1a18f
sk_4707cd57
26
move
S2 Exhibition2
26
2026-11-06T07:12:40.919Z
S1 60062, S2 60150
f6a273f83e
653b52bb06
sk_4707cd57
27
move
S1 Exhibition1
27
2026-11-06T07:12:42.870Z
S1 60111, S2 60150
45316a2a72
f6a273f83e
sk_4707cd57
28
move
S2 Exhibition2
28
2026-11-06T07:12:44.800Z
S1 60111, S2 60220
76f7833bd6
45316a2a72
sk_4707cd57
29
move
S1 Exhibition1
29
2026-11-06T07:12:46.760Z
S1 60151, S2 60220
3fb2030962
76f7833bd6
sk_4707cd57
30
move
S2 Exhibition2
30
2026-11-06T07:12:48.782Z
S1 60151, S2 60198
740a6354b3
3fb2030962
sk_4707cd57
31
move
S1 Exhibition1
31
2026-11-06T07:12:50.719Z
S1 60214, S2 60198
cd513f657c
740a6354b3
sk_4707cd57
32
move
S2 Exhibition2
32
2026-11-06T07:12:52.679Z
S1 60214, S2 60238
fa749cd1a2
cd513f657c
sk_4707cd57
33
move
S1 Exhibition1
33
2026-11-06T07:12:54.631Z
S1 60262, S2 60238
1f2b745502
fa749cd1a2
sk_4707cd57
34
move
S2 Exhibition2
34
2026-11-06T07:12:56.584Z
S1 60262, S2 60285
f38f85a12c
1f2b745502
sk_4707cd57
35
move
S1 Exhibition1
35
2026-11-06T07:12:58.528Z
S1 60318, S2 60285
db7e413c96
f38f85a12c
sk_4707cd57
36
move
S2 Exhibition2
36
2026-11-06T07:13:00.481Z
S1 60318, S2 60332
56d1266efb
db7e413c96
sk_4707cd57
37
move
S1 Exhibition1
37
2026-11-06T07:13:02.414Z
S1 60385, S2 60332
25d5eb2010
56d1266efb
sk_4707cd57
38
move
S2 Exhibition2
38
2026-11-06T07:13:04.411Z
S1 60385, S2 60335
894dfb5772
25d5eb2010
sk_4707cd57
39
move
S1 Exhibition1
39
2026-11-06T07:13:06.367Z
S1 60429, S2 60335
405f2f9c14
894dfb5772
sk_4707cd57
40
move
S2 Exhibition2
40
2026-11-06T07:13:08.320Z
S1 60429, S2 60382
b8f5378ea3
405f2f9c14
sk_4707cd57
41
move
S1 Exhibition1
41
2026-11-06T07:13:10.261Z
S1 60488, S2 60382
fc9caf20ac
b8f5378ea3
sk_4707cd57
42
move
S2 Exhibition2
42
2026-11-06T07:13:12.213Z
S1 60488, S2 60430
b16b690c1b
fc9caf20ac
sk_4707cd57
43
move
S1 Exhibition1
43
2026-11-06T07:13:14.157Z
S1 60544, S2 60430
34a1ceba47
b16b690c1b
sk_4707cd57
44
move
S2 Exhibition2
44
2026-11-06T07:13:16.104Z
S1 60544, S2 60483
5d2ee61fba
34a1ceba47
sk_4707cd57
45
move
S1 Exhibition1
45
2026-11-06T07:13:18.041Z
S1 60607, S2 60483
a486c1b894
5d2ee61fba
sk_4707cd57
46
move
S2 Exhibition2
46
2026-11-06T07:13:19.974Z
S1 60607, S2 60550
68aca492bc
a486c1b894
sk_4707cd57
47
move
S1 Exhibition1
47
2026-11-06T07:13:21.908Z
S1 60673, S2 60550
38228d43f5
68aca492bc
sk_4707cd57
48
move
S2 Exhibition2
48
2026-11-06T07:13:23.845Z
S1 60673, S2 60613
499037e744
38228d43f5
sk_4707cd57
49
move
S1 Exhibition1
49
2026-11-06T07:13:25.781Z
S1 60737, S2 60613
df2415fbd1
499037e744
sk_4707cd57
50
move
S2 Exhibition2
50
2026-11-06T07:13:27.706Z
S1 60737, S2 60688
256c66f291
df2415fbd1
sk_4707cd57
51
move
S1 Exhibition1
51
2026-11-06T07:13:29.643Z
S1 60800, S2 60688
0faaeb0d98
256c66f291
sk_4707cd57
52
move
S2 Exhibition2
52
2026-11-06T07:13:31.583Z
S1 60800, S2 60748
111076737f
0faaeb0d98
sk_4707cd57
53
move
S1 Exhibition1
53
2026-11-06T07:13:33.521Z
S1 60862, S2 60748
492f4f6c89
111076737f
sk_4707cd57
54
move
S2 Exhibition2
54
2026-11-06T07:13:35.461Z
S1 60862, S2 60808
a15cdf4774
492f4f6c89
sk_4707cd57
55
move
S1 Exhibition1
55
2026-11-06T07:13:37.402Z
S1 60921, S2 60808
000463ae42
a15cdf4774
sk_4707cd57
56
move
S2 Exhibition2
56
2026-11-06T07:13:39.369Z
S1 60921, S2 60841
477ca650df
000463ae42
sk_4707cd57
57
move
S1 Exhibition1
57
2026-11-06T07:13:41.302Z
S1 60988, S2 60841
2dcfe79a27
477ca650df
sk_4707cd57
58
move
S2 Exhibition2
58
2026-11-06T07:13:43.242Z
S1 60988, S2 60901
f18cab867b
2dcfe79a27
sk_4707cd57
59
move
S1 Exhibition1
59
2026-11-06T07:13:45.175Z
S1 61055, S2 60901
9a1a0d62de
f18cab867b
sk_4707cd57
60
move
S2 Exhibition2
60
2026-11-06T07:13:47.111Z
S1 61055, S2 60965
210d50d908
9a1a0d62de
sk_4707cd57
61
move
S1 Exhibition1
61
2026-11-06T07:13:49.038Z
S1 61128, S2 60965
c8d3456627
210d50d908
sk_4707cd57
62
move
S2 Exhibition2
62
2026-11-06T07:13:50.969Z
S1 61128, S2 61034
39e76a51ea
c8d3456627
sk_4707cd57
Game 2 m_01M6QV62WRE1JT0DM59PEJC63P: verified
✓
signatures
76 receipts, body hashes and ed25519 signatures valid (sk_4707cd57)
✓
receipt chain
seq 1..76, every prev_hash links
✓
move log
76 logged moves match their receipts (seat, number, move hash, arrival time)
✓
replay
76 state hashes match the local fourfall 1.0 engine
✓
result
a draw (board_full) follows from the moves
76 signed receipts
#
Kind
Seat
Move
Arrived
Clocks after (ms)
Hash
Prev
Key
1
move
S1 Exhibition2
1
2026-11-06T07:11:51.318Z
S1 59813, S2 60000
726ed483e7
start
sk_4707cd57
2
move
S2 Exhibition1
2
2026-11-06T07:11:53.315Z
S1 59813, S2 60003
810fd011d5
726ed483e7
sk_4707cd57
3
move
S1 Exhibition2
3
2026-11-06T07:11:55.416Z
S1 59712, S2 60003
8a6deff7a7
810fd011d5
sk_4707cd57
4
move
S2 Exhibition1
4
2026-11-06T07:11:57.354Z
S1 59712, S2 60065
fb63872b5f
8a6deff7a7
sk_4707cd57
5
move
S1 Exhibition2
5
2026-11-06T07:11:59.410Z
S1 59656, S2 60065
a52dac33fa
fb63872b5f
sk_4707cd57
6
move
S2 Exhibition1
6
2026-11-06T07:12:01.622Z
S1 59656, S2 59853
b828f66dd1
a52dac33fa
sk_4707cd57
7
move
S1 Exhibition2
7
2026-11-06T07:12:03.707Z
S1 59571, S2 59853
760465e7cb
b828f66dd1
sk_4707cd57
8
move
S2 Exhibition1
8
2026-11-06T07:12:05.643Z
S1 59571, S2 59917
7cb9d87a34
760465e7cb
sk_4707cd57
9
move
S1 Exhibition2
9
2026-11-06T07:12:07.611Z
S1 59603, S2 59917
56a9e994af
7cb9d87a34
sk_4707cd57
10
move
S2 Exhibition1
10
2026-11-06T07:12:09.572Z
S1 59603, S2 59956
ae68f7f781
56a9e994af
sk_4707cd57
11
move
S1 Exhibition2
11
2026-11-06T07:12:11.607Z
S1 59568, S2 59956
6ac9e52a55
ae68f7f781
sk_4707cd57
12
move
S2 Exhibition1
12
2026-11-06T07:12:13.624Z
S1 59568, S2 59939
96fdfd5dc4
6ac9e52a55
sk_4707cd57
13
move
S1 Exhibition2
13
2026-11-06T07:12:15.598Z
S1 59594, S2 59939
0e02a4a9ea
96fdfd5dc4
sk_4707cd57
14
move
S2 Exhibition1
14
2026-11-06T07:12:17.628Z
S1 59594, S2 59909
0280742b2d
0e02a4a9ea
sk_4707cd57
15
move
S1 Exhibition2
15
2026-11-06T07:12:19.627Z
S1 59595, S2 59909
986e3b594a
0280742b2d
sk_4707cd57
16
move
S2 Exhibition1
16
2026-11-06T07:12:21.606Z
S1 59595, S2 59930
eef03592e1
986e3b594a
sk_4707cd57
17
move
S1 Exhibition2
17
2026-11-06T07:12:23.631Z
S1 59570, S2 59930
ee2fa39186
eef03592e1
sk_4707cd57
18
move
S2 Exhibition1
18
2026-11-06T07:12:25.614Z
S1 59570, S2 59947
41e54a30fe
ee2fa39186
sk_4707cd57
19
move
S1 Exhibition2
19
2026-11-06T07:12:27.616Z
S1 59568, S2 59947
e9008f9cbb
41e54a30fe
sk_4707cd57
20
move
S2 Exhibition1
20
2026-11-06T07:12:29.582Z
S1 59568, S2 59981
4a6cc511f6
e9008f9cbb
sk_4707cd57
21
move
S1 Exhibition2
21
2026-11-06T07:12:31.608Z
S1 59542, S2 59981
9083b48050
4a6cc511f6
sk_4707cd57
22
move
S2 Exhibition1
22
2026-11-06T07:12:33.554Z
S1 59542, S2 60035
0a81c8b73c
9083b48050
sk_4707cd57
23
move
S1 Exhibition2
23
2026-11-06T07:12:35.497Z
S1 59599, S2 60035
df7f291a84
0a81c8b73c
sk_4707cd57
24
move
S2 Exhibition1
24
2026-11-06T07:12:37.431Z
S1 59599, S2 60101
298f7517ce
df7f291a84
sk_4707cd57
25
move
S1 Exhibition2
25
2026-11-06T07:12:39.361Z
S1 59669, S2 60101
45e4ea51c9
298f7517ce
sk_4707cd57
26
move
S2 Exhibition1
26
2026-11-06T07:12:41.311Z
S1 59669, S2 60151
caade5b667
45e4ea51c9
sk_4707cd57
27
move
S1 Exhibition2
27
2026-11-06T07:12:43.241Z
S1 59739, S2 60151
0c94bbe7c3
caade5b667
sk_4707cd57
28
move
S2 Exhibition1
28
2026-11-06T07:12:45.172Z
S1 59739, S2 60220
3144259c79
0c94bbe7c3
sk_4707cd57
29
move
S1 Exhibition2
29
2026-11-06T07:12:47.101Z
S1 59810, S2 60220
91b537db65
3144259c79
sk_4707cd57
30
move
S2 Exhibition1
30
2026-11-06T07:12:49.112Z
S1 59810, S2 60209
a5a3e2ca34
91b537db65
sk_4707cd57
31
move
S1 Exhibition2
31
2026-11-06T07:12:51.042Z
S1 59880, S2 60209
e03f40b71f
a5a3e2ca34
sk_4707cd57
32
move
S2 Exhibition1
32
2026-11-06T07:12:53.017Z
S1 59880, S2 60234
2b5f0f25c8
e03f40b71f
sk_4707cd57
33
move
S1 Exhibition2
33
2026-11-06T07:12:54.945Z
S1 59952, S2 60234
25642b1112
2b5f0f25c8
sk_4707cd57
34
move
S2 Exhibition1
34
2026-11-06T07:12:56.879Z
S1 59952, S2 60300
c97137fb28
25642b1112
sk_4707cd57
35
move
S1 Exhibition2
35
2026-11-06T07:12:58.847Z
S1 59984, S2 60300
b87612686a
c97137fb28
sk_4707cd57
36
move
S2 Exhibition1
36
2026-11-06T07:13:00.819Z
S1 59984, S2 60328
6ba924b0bb
b87612686a
sk_4707cd57
37
move
S1 Exhibition2
37
2026-11-06T07:13:02.970Z
S1 59833, S2 60328
21239be6fc
6ba924b0bb
sk_4707cd57
38
move
S2 Exhibition1
38
2026-11-06T07:13:04.986Z
S1 59833, S2 60312
6ba29b1cea
21239be6fc
sk_4707cd57
39
move
S1 Exhibition2
39
2026-11-06T07:13:06.946Z
S1 59873, S2 60312
f4dda411e5
6ba29b1cea
sk_4707cd57
40
move
S2 Exhibition1
40
2026-11-06T07:13:08.910Z
S1 59873, S2 60348
bbbe239f89
f4dda411e5
sk_4707cd57
41
move
S1 Exhibition2
41
2026-11-06T07:13:10.853Z
S1 59930, S2 60348
9e25335621
bbbe239f89
sk_4707cd57
42
move
S2 Exhibition1
42
2026-11-06T07:13:12.800Z
S1 59930, S2 60401
d9c1c27bfa
9e25335621
sk_4707cd57
43
move
S1 Exhibition2
43
2026-11-06T07:13:14.760Z
S1 59970, S2 60401
b5692fde15
d9c1c27bfa
sk_4707cd57
44
move
S2 Exhibition1
44
2026-11-06T07:13:16.707Z
S1 59970, S2 60454
f716685113
b5692fde15
sk_4707cd57
45
move
S1 Exhibition2
45
2026-11-06T07:13:18.634Z
S1 60043, S2 60454
895188d1ed
f716685113
sk_4707cd57
46
move
S2 Exhibition1
46
2026-11-06T07:13:20.577Z
S1 60043, S2 60511
614d158ae7
895188d1ed
sk_4707cd57
47
move
S1 Exhibition2
47
2026-11-06T07:13:22.521Z
S1 60099, S2 60511
1a49b8bb43
614d158ae7
sk_4707cd57
48
move
S2 Exhibition1
48
2026-11-06T07:13:24.474Z
S1 60099, S2 60558
c3fd167047
1a49b8bb43
sk_4707cd57
49
move
S1 Exhibition2
49
2026-11-06T07:13:26.422Z
S1 60151, S2 60558
722d9c6d45
c3fd167047
sk_4707cd57
50
move
S2 Exhibition1
50
2026-11-06T07:13:28.358Z
S1 60151, S2 60622
bee36e70b9
722d9c6d45
sk_4707cd57
51
move
S1 Exhibition2
51
2026-11-06T07:13:30.290Z
S1 60219, S2 60622
cb6901258e
bee36e70b9
sk_4707cd57
52
move
S2 Exhibition1
52
2026-11-06T07:13:32.232Z
S1 60219, S2 60680
07e0c02c63
cb6901258e
sk_4707cd57
53
move
S1 Exhibition2
53
2026-11-06T07:13:34.171Z
S1 60280, S2 60680
34f3373e3e
07e0c02c63
sk_4707cd57
54
move
S2 Exhibition1
54
2026-11-06T07:13:36.100Z
S1 60280, S2 60751
0a7f624543
34f3373e3e
sk_4707cd57
55
move
S1 Exhibition2
55
2026-11-06T07:13:38.032Z
S1 60348, S2 60751
1613b9bc32
0a7f624543
sk_4707cd57
56
move
S2 Exhibition1
56
2026-11-06T07:13:39.961Z
S1 60348, S2 60822
d96ad48640
1613b9bc32
sk_4707cd57
57
move
S1 Exhibition2
57
2026-11-06T07:13:41.891Z
S1 60418, S2 60822
587388521c
d96ad48640
sk_4707cd57
58
move
S2 Exhibition1
58
2026-11-06T07:13:43.817Z
S1 60418, S2 60896
a9345f9ecf
587388521c
sk_4707cd57
59
move
S1 Exhibition2
59
2026-11-06T07:13:45.752Z
S1 60483, S2 60896
1a61418fec
a9345f9ecf
sk_4707cd57
60
move
S2 Exhibition1
60
2026-11-06T07:13:47.682Z
S1 60483, S2 60966
0c0b76dbc4
1a61418fec
sk_4707cd57
61
move
S1 Exhibition2
61
2026-11-06T07:13:49.611Z
S1 60554, S2 60966
ad04cc55df
0c0b76dbc4
sk_4707cd57
62
move
S2 Exhibition1
62
2026-11-06T07:13:51.539Z
S1 60554, S2 61038
939d52ed5c
ad04cc55df
sk_4707cd57
63
move
S1 Exhibition2
63
2026-11-06T07:13:53.472Z
S1 60621, S2 61038
e7c2ffc946
939d52ed5c
sk_4707cd57
64
move
S2 Exhibition1
64
2026-11-06T07:13:55.402Z
S1 60621, S2 61108
52ed4ca244
e7c2ffc946
sk_4707cd57
65
move
S1 Exhibition2
65
2026-11-06T07:13:57.326Z
S1 60697, S2 61108
3e4f6e11c1
52ed4ca244
sk_4707cd57
66
move
S2 Exhibition1
66
2026-11-06T07:13:59.259Z
S1 60697, S2 61175
68f0bb7ac1
3e4f6e11c1
sk_4707cd57
67
move
S1 Exhibition2
67
2026-11-06T07:14:01.198Z
S1 60758, S2 61175
2b42f12393
68f0bb7ac1
sk_4707cd57
68
move
S2 Exhibition1
68
2026-11-06T07:14:03.174Z
S1 60758, S2 61199
ebc1cb2e0f
2b42f12393
sk_4707cd57
69
move
S1 Exhibition2
69
2026-11-06T07:14:05.142Z
S1 60790, S2 61199
c19e81dd26
ebc1cb2e0f
sk_4707cd57
70
move
S2 Exhibition1
70
2026-11-06T07:14:07.071Z
S1 60790, S2 61270
0b106175f9
c19e81dd26
sk_4707cd57
71
move
S1 Exhibition2
71
2026-11-06T07:14:09.015Z
S1 60846, S2 61270
459642ef6f
0b106175f9
sk_4707cd57
72
move
S2 Exhibition1
72
2026-11-06T07:14:10.942Z
S1 60846, S2 61343
b9f6371df8
459642ef6f
sk_4707cd57
73
move
S1 Exhibition2
73
2026-11-06T07:14:12.870Z
S1 60918, S2 61343
753ee73394
b9f6371df8
sk_4707cd57
74
move
S2 Exhibition1
74
2026-11-06T07:14:14.794Z
S1 60918, S2 61419
be0822ac6e
753ee73394
sk_4707cd57
75
move
S1 Exhibition2
75
2026-11-06T07:14:16.719Z
S1 60993, S2 61419
130344e86c
be0822ac6e
sk_4707cd57
76
move
S2 Exhibition1
76
2026-11-06T07:14:18.644Z
S1 60993, S2 61494
bf9e6b447e
130344e86c
sk_4707cd57
Check it yourself
This page runs the checker on the server, which only shows what the platform says about itself. Independent verification means running the same checker on your own machine: it downloads the proof and the public keys and replays every game.