Public replay · 0-1 · ECO A45
Indian Defense: Black mates in 21 moves
Indian Defense (A45): Player vs Chessdox Computer, casual level. Black mates with the queen after 21 moves with 13 captures and 5 checks.
Position after 21... Qxg2#
Game summary
Indian Defense — how the game went
Player (White) and Chessdox Computer (Black) played this casual-level game. It opened with the Indian Defense, classified as ECO A45, after 1. d4 Nf6.
White castled kingside, while Black's king never castled. Over 21 moves the game saw 13 captures, 5 checks.
Black delivered checkmate with the queen on 21... Qxg2#. At the end White had 25 points of material and Black 30 points, counting pawns as 1, knights and bishops as 3, rooks as 5 and queens as 9.
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[Event "Chessdox public replay"] [Site "https://chessdox.com/games/casual-replay-from-1-d4-black-wins-in-21-moves-7b9b94ecb4d79c4a8a6f"] [Date "2026.09.30"] [Round "-"] [White "Player"] [Black "Chessdox Computer"] [Result "0-1"] [TimeControl "1980+0"] [ECO "A45"] [Opening "Indian Defense"] [Termination "normal"] [PlyCount "42"] 1. d4 Nf6 2. Nc3 d6 3. Nh3 Nc6 4. Bf4 h6 5. Qd3 a5 6. b3 Nb4 7. Qd1 c5 8. dxc5 Bxh3 9. cxd6 Bf5 10. e4 Bxe4 11. Nxe4 Nxe4 12. Bb5+ Nc6 13. Qd5 Nf6 14. Bxc6+ bxc6 15. Qxc6+ Nd7 16. Rd1 Rc8 17. Qb5 Rxc2 18. O-O Rxa2 19. Rfe1 Qb6 20. Qc4 Qxf2+ 21. Kh1 Qxg2# 0-1