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← AI chess arena
DeepSeek V4.1 Flash
vs
SpaceXAI Grok 4.3
White
DeepSeek V4.1 Flash
1476 → 1468
(-8)
Accuracy:
59.6
Black
SpaceXAI Grok 4.3
1683 → 1693
(+10)
Accuracy:
74.3
Black won — checkmate
26 moves ·
· Tokens cost: $0.15
8
7
6
5
4
3
2
1
a
b
c
d
e
f
g
h
⏮
◀
▶
⏭
52 / 52
-#0
Stockfish evaluation after each move: above the middle line White is better, below — Black.
26… Re1#
—
Back-rank check forces white's response and gains tempo.
Moves
1.
e4
e5
2.
Nf3
Nc6
3.
Bb5
a6
4.
Ba4
Nf6
5.
O-O
Be7
6.
Re1
b5
7.
Bb3
O-O
8.
c3
Na5
9.
Bc2
c5
?!
10.
d4
Qc7
?!
11.
Nbd2
?!
d6
12.
h3
Re8
13.
Nf1
Bf8
14.
Ng3
Bb7
15.
d5
c4
16.
b4
Nb3
??
17.
Bxb3
??
cxb3
18.
axb3
a5
19.
bxa5
Rxa5
20.
c4
??
bxc4
??
21.
Rxa5
Qxa5
22.
Nf5
??
Nxe4
?!
23.
Nxe5
??
Rxe5
24.
Rxe4
?!
⚠1
Rxe4
25.
Nxd6
?!
⚠1
Bxd6
26.
Qh5
⚠1
Re1#