WCCE 2026 · Knockout Stage · Pre-Final

Knockout State
Every Tie, Two Ways to Measure Strength

30 knockout matches played — Round of 32 through Semi-Final — for both the chess engines and the FIFA 2026 nations they mirror. The Final is set; this is the full record before it's played.

R32 · Complete

R16 · Complete

QF · Complete

SF · Complete

Final · Pending

The Final

set, not yet played

Championship Match

Stockfish(Spain · 3093 Elo · FIFA 1876) vs Reckless(Argentina · 3071 Elo · FIFA 1875)

Stockfish is the Elo favorite by 22 points and the FIFA favorite by a single point — the closest double-favorite alignment of the entire bracket. Both engines have won every match by both metrics so far: zero upsets across their combined 7 ties.

Round of 32

16 matches · 16 games each

#	Match	Engine 1	Engine 2	Result	Elo (E1–E2)	FIFA Rank (E1–E2)	Winner
1	M74	Pawnocchio (Germany)	RofChade (Turkey)	6–0	3009–2936	1730–1599	Pawnocchio
2	M77	PlentyChess (France)	Peacekeeper (Tunisia)	9–0	3060–2893	1877–1483	PlentyChess
3	M73	Koivisto (Korea Republic)	Revenge (Canada)	1–2	2911–2930	1589–1556	Revenge
4	M75	Tarnished (Japan)	Horsie (Morocco)	3–1	2994–2990	1660–1756	Tarnished
5	M83	Starzix (Colombia)	Integral (Croatia)	0–1	2979–3004	1693–1717	Integral
6	M84	Stockfish (Spain)	Seer (Austria)	6–0	3093–2902	1876–1593	Stockfish
7	M81	RubiChess (United States)	Clarity (Algeria)	6–0	2984–2908	1673–1564	RubiChess
8	M82	Halogen (Iran)	Black Marlin (Saudi Arabia)	5–1	2980–2878	1615–1421	Halogen
9	M76	Alexandria (Brazil)	Caissa (Netherlands)	2–0	3043–2992	1761–1758	Alexandria
10	M78	Cinder (Ecuador)	Motor (Senegal)	0–4	2945–2981	1595–1689	Motor
11	M79	Clover (Mexico)	Booot (Scotland)	5–0	2991–2914	1681–1498	Clover
12	M80	Obsidian (England)	Arasan (Ivory Coast)	6–0	3044–2895	1826–1533	Obsidian
13	M86	Reckless (Argentina)	Komodo (Uruguay)	3–0	3071–2991	1875–1673	Reckless
14	M88	Velvet (Australia)	Viridithas (Belgium)	0–4	2934–3011	1581–1735	Viridithas
15	M85	Hobbes (Switzerland)	SlowChess (Egypt)	8–0	2989–2875	1649–1563	Hobbes
16	M87	Berserk (Portugal)	Igel (Panama)	4–0	3024–2910	1764–1541	Berserk

Round of 16

8 matches · 20 games each

#	Match	Engine 1	Engine 2	Result	Elo (E1–E2)	FIFA Rank (E1–E2)	Winner
1	M89	Pawnocchio (Germany)	PlentyChess (France)	0–3	3009–3060	1730–1877	PlentyChess
2	M90	Revenge (Canada)	Tarnished (Japan)	1–6	2930–2994	1556–1660	Tarnished
3	M91	Alexandria (Brazil)	Motor (Senegal)	4–1	3043–2981	1761–1689	Alexandria
4	M92	Clover (Mexico)	Obsidian (England)	0–3	2991–3044	1681–1826	Obsidian
5	M93	Integral (Croatia)	Stockfish (Spain)	1–4	3004–3093	1717–1876	Stockfish
6	M94	RubiChess (United States)	Halogen (Iran)	1–4	2984–2980	1673–1615	Halogen
7	M95	Reckless (Argentina)	Viridithas (Belgium)	3–0	3071–3011	1875–1735	Reckless
8	M96	Hobbes (Switzerland)	Berserk (Portugal)	0–3	2989–3024	1649–1764	Berserk

Quarter-Finals

4 matches · 24 games each

#	Match	Engine 1	Engine 2	Result	Elo (E1–E2)	FIFA Rank (E1–E2)	Winner
1	M97	PlentyChess (France)	Tarnished (Japan)	5–1	3060–2994	1877–1660	PlentyChess
2	M98	Stockfish (Spain)	Halogen (Iran)	7–0	3093–2980	1876–1615	Stockfish
3	M99	Alexandria (Brazil)	Obsidian (England)	2–1	3043–3044	1761–1826	Alexandria
4	M100	Reckless (Argentina)	Berserk (Portugal)	4–0	3071–3024	1875–1764	Reckless

Semi-Finals

2 matches · 28 games each

#	Match	Engine 1	Engine 2	Result	Elo (E1–E2)	FIFA Rank (E1–E2)	Winner
1	M101	PlentyChess (France)	Stockfish (Spain)	1–5	3060–3093	1877–1876	Stockfish
2	M102	Alexandria (Brazil)	Reckless (Argentina)	0–4	3043–3071	1761–1875	Reckless

Strength Comparison — Elo vs FIFA Rank

30 knockout matches

Every WCCE 2026 engine carries two independent strength signals: its own tournament Elo, and the FIFA 2026 world-ranking points of the nation it mirrors. Marking the higher-rated side as the "favorite" under each system and checking it against the actual result shows which signal tracked the bracket better.

28/30

Elo favorite won (93,33%)

25/30

FIFA favorite won (83,33%)

Elo upsets

FIFA upsets

Reading the gap: Elo never failed on its own — both of its misses (M94, M99) were also FIFA misses. FIFA rank, on the other hand, was wrong three extra times when Elo called it correctly (M73, M75, M101) — including the Semi-Final, where France's 1-point FIFA edge over Spain didn't survive contact with Stockfish's real engine strength. Across this bracket, in-tournament Elo has been the more reliable predictor of who actually advances.

Match	Round	Tie	Elo Favorite	FIFA Favorite	Actual Winner	Upset
M73	R32	Koivisto vs Revenge	Revenge	Koivisto	Revenge	FIFA only
M75	R32	Tarnished vs Horsie	Tarnished	Horsie	Tarnished	FIFA only
M94	R16	RubiChess vs Halogen	RubiChess	RubiChess	Halogen	Both
M99	QF	Alexandria vs Obsidian	Obsidian (+1)	Obsidian	Alexandria	Both
M101	SF	PlentyChess vs Stockfish	Stockfish	PlentyChess (+1)	Stockfish	FIFA only