Viridithas 20.0.0 wins Elite Engines Tournament, Tests by Jörn Gronemann, 2026.06.29

Viridithas 20.0.0 has once again won an elite chess engine tournament. PlentyChess 8.0.0 and Reckless 0.10.0-dev tied for second place. The event brought together engines that regularly play in our CEDR league and rank among the top 64.

CEDR 885.750 games download (01.06.2026)
🕒🕒Time 3'+3"   Tournament download with 756 games 
#chessenginesdiary
GPU NVIDIA  RTX 3060 ti. GUI-Myracle, For Every Engine only 1 CPU and 512 Hashtables, 
Book - 4 GM mvs, book,  6TBs. 

P	Engine	Score	(Tie)	+/-/=
1:	Viridithas 20.0.0	32.0 / 54	825.00	(+11 -1 =42)
2:	PlentyChess 8.0.0	31.0 / 54	835.25	(+9 -1 =44)
3:	Reckless 0.10.0-dev	31.0 / 54	805.75	(+8 -0 =46)
4:	Alexandria 9.0.0 JA	30.5 / 54	794.75	(+9 -2 =43)
5:	Clover 9.1 JA	30.0 / 54	786.50	(+7 -1 =46)
6:	Coda	30.0 / 54	779.75	(+9 -3 =42)
7:	Pawnocchio 2.0	30.0 / 54	779.25	(+7 -1 =46)
8:	Caissa 1.25 JA	30.0 / 54	776.25	(+7 -1 =46)
9:	Stormphrax 8.0.0	29.5 / 54	780.25	(+5 -0 =49)
10:	Dragon 3.3	29.5 / 54	778.00	(+7 -2 =45)
11:	Renegade 1.3.0 JA	29.5 / 54	765.50	(+6 -1 =47)
12:	Halogen 16.5.0	29.0 / 54	753.00	(+5 -1 =48)
13:	Icarus 1.1 JA	29.0 / 54	741.25	(+7 -3 =44)
14:	Hobbes 2.1	28.5 / 54	744.25	(+4 -1 =49)
15:	Astra 7.0	28.5 / 54	737.75	(+6 -3 =45)
16:	Berserk 14	28.0 / 54	743.00	(+4 -2 =48)
17:	Quanticade Phoenix 4.0	28.0 / 54	728.75	(+5 -3 =46)
18:	PZChessBot 7.1	28.0 / 54	712.50	(+7 -5 =42)
19:	Raphael 4.2.0	27.5 / 54	723.50	(+5 -4 =45)
20:	Triumviratus 5.0	27.5 / 54	719.50	(+3 -2 =49)
21:	Fritz 21	27.0 / 54	725.00	(+3 -3 =48)
22:	Chess System Tal 2.07 E1019	25.5 / 54	662.25	(+4 -7 =43)
23:	Triumviratus 4.2	24.5 / 54	632.75	(+3 -8 =43)
24:	Rebel 16.3	23.5 / 54	613.25	(+2 -9 =43)
25:	Rose 1.0.0	21.5 / 54	544.75	(+5 -16 =33)
26:	Tarnished 6.0	21.0 / 54	535.75	(+3 -15 =36)
27:	Heimdall 1.5.0	19.5 / 54	500.25	(+3 -18 =33)
28:	Prune 4.0.0	6.5 / 54	184.75	(+0 -41 =13)