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Public replay · 0-1 · ECO A04

Zukertort Opening: Black mates in 19 moves

Zukertort Opening (A04): Player vs Chessdox Computer, challenging level. Black mates with the knight after 19 moves with 16 captures and 6 checks.

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Position after 19... Nd4#A04 Zukertort Opening: Pirc Invitation

Game summary

Zukertort Opening: Pirc Invitation — how the game went

Player (White) and Chessdox Computer (Black) played this challenging-level game. It opened with the Zukertort Opening, classified as ECO A04, after 1. Nf3.

Neither king castled. Over 19 moves the game saw 16 captures, 6 checks.

Black delivered checkmate with the knight on 19... Nd4#. At the end White had 5 points of material and Black 29 points, counting pawns as 1, knights and bishops as 3, rooks as 5 and queens as 9.

Final position after 19 moves, black won (0-1). FEN: r4b2/pp2k3/1P1p2p1/8/3n4/7r/P2PKP1P/7q w - - 1 20
Final position · 0-1

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[Event "Chessdox public replay"]
[Site "https://chessdox.com/games/challenging-replay-from-1-nf3-black-wins-in-19-m-7642b0ef6b48cf9f610f"]
[Date "2026.08.24"]
[Round "-"]
[White "Player"]
[Black "Chessdox Computer"]
[Result "0-1"]
[TimeControl "600+0"]
[ECO "A04"]
[Opening "Zukertort Opening: Pirc Invitation"]
[Termination "normal"]
[PlyCount "38"]

1. Nf3 d6 2. Nc3 Nc6 3. Nd5 Nf6 4. Nxc7+ Qxc7 5. Ng5 Bf5 6. Nxf7 Kxf7 7. e4 Nxe4
8. Qh5+ g6 9. Qxg6+ hxg6 10. g4 Bxg4 11. Rg1 Nd4 12. Rxg4 Nxc2+ 13. Ke2 Nxa1 14.
Rxe4 Qxc1 15. Rxe7+ Kxe7 16. Bh3 Rxh3 17. b4 Qh1 18. b5 Nc2 19. b6 Nd4# 0-1
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