121st Amateur Series (tentative divisions - will be changes)

[Graham Banks]

DIVISION 1

Stockfish 17.1 64-bit
Reckless 0.8.0 64-bit (promoted)
Alexandria 8.1.2 64-bit
Obsidian 16.0 64-bit
Viridithas 18.0.0 64-bit
PlentyChess 6.0.0 64-bit
Uralochka 3.42a 64-bit (promoted)
Caissa 1.23 64-bit
Clover 9.0 64-bit
Berserk 13 64-bit
Horsie 1.1 64-bit
Stormphrax 7.0.0 64-bit
Integral v7 64-bit
RubiChess 20240817 64-bit


DIVISION 2

Motor 0.9.0 64-bit (relegated)
Astra 6.1.1 64-bit
Starzix 6.0 64-bit
pawnocchio 1.8.1 64-bit
Quanticade Orion 2.0 64-bit
Halogen 15 64-bit
Cinder 0.3.1 64-bit
Titan 1.1.0 64-bit
Seer 2.8.0 64-bit
Revenge 4.0 64-bit
Spaghet BologNNese 1.0 64-bit (relegated)
Arasan 25.2 64-bit
Igel 3.6.0 64-bit
Clarity 8.0.0 64-bit (promoted)


DIVISION 3

Booot 7.4 64-bit
Renegade 1.2.0 64-bit (relegated)
Velvet 8.1.1 64-bit
Tarnished 4.0-Consort 64-bit
Calvin 6.1.1 64-bit
Peacekeeper 3.01 64-bit
Heimdall 1.4.1 64-bit (promoted)
Fire 10 64-bit
Devre 6.0 64-bit
Elixir 3.0 64-bit
Black Marlin 9.0 64-bit
Serendipity 1.0 64-bit
Texel 1.12 64-bit
Turbulence 0.0.8 64-bit (promoted)


DIVISION 4

Altair 7.0.0 64-bit
Akimbo 1.0.0 64-bit
Zangdar 4.04 64-bit
Equisetum 1.0 64-bit (relegated)
pawn 4.0 64-bit (relegated)
Ynode 0213 64-bit (promoted)
Patricia 5.0 64-bit
Minic 3.41 64-bit
Superultra 2.1 64-bit
Stallion GB Edition 64-bit
Sirius 9.0 64-bit
Wasp 7.00 64-bit
Winter 4.0 64-bit
Tucano 12.00 64-bit


DIVISION 5

chess.cpp 4.10 64-bit (relegated)
Yukari 2025.4.1 64-bit
Bagatur 5.3 64-bit
Iris 2.0 64-bit
Marvin 6.3.0 64-bit
Oxide 2.0.0 64-bit (promoted)
Celeris 2.0 64-bit (relegated)
Cheng 4.48 64-bit
Midnight 9.0 64-bit
Sapling 1.2.7 64-bit
CS Tal 2.1 EAS 64-bit
Saturn 1.3 64-bit
Avalanche 2.1.0 64-bit
Pedantic 2.1.0 64-bit


DIVISION 6

Stash 37.0 64-bit
Weiawaga 6.0 64-bit
Leorik 3.1 64-bit
Molybdenum 4.1 64-bit
Illumina 3.0 64-bit
Perseus 1.1 64-bit
Schneckbert 3.0 64-bit
Lambergar 1.2 64-bit
Rebel Extreme 1.1 64-bit (relegated)
Lunar 0.3.0 64-bit
Expositor 4WR02 64-bit
Counter 5.5 64-bit
Arcanum 2.6 64-bit
Mr Bob 1.3.0 64-bit (promoted)


DIVISION 7

Schoenemann 0.4.0 64-bit (relegated)
Quirky 2.0 64-bit
Eleanor 2.0 64-bit (promoted)
Nalwald 19.0 64-bit (relegated)
RukChess 4.1.0 64-bit
Protej 0.6.8 64-bit
Cadie 2.1 64-bit
PZChessBot 3.0 64-bit
bitbit 1.4 64-bit
Odonata 1.0.0 64-bit
Lynx 1.10.0 64-bit
Tornado 9.0 64-bit
Isa 4.4 64-bit
WhiteCore 0.2 64-bit


DIVISION 8

Panda 1.1 64-bit (relegated)
Princhess 0.20.0 64-bit (relegated)
EveAnn 3.4 64-bit (relegated)
Seredina 1.2c 64-bit
Simbelmyne 1.10.0 64-bit
Pingu 5.0.0 64-bit
ChandraChess 2.0 64-bit
Anubis 3.01 64-bit
ChessBrainVB 4.03a
Sturddle 2.31 64-bit
ice4 6.0 64-bit
Prelude Fusion 2.0 64-bit
Myrddin 0.93 64-bit (promoted)
Orion 1.0 64-bit (promoted)


DIVISION 9

Jet 1.2 64-bit
Kobra 2.0 64-bit (relegated)
Mida 2.3.1 64-bit (relegated)
Priessnitz 2.0 64-bit
Lozza 7.0 64-bit
Admete 1.8.0 64-bit (relegated)
Potential 3.0.0 64-bit (promoted)
Jackal 1.2.0 64-bit (relegated)
Roc 2.0.5 64-bit
Weak 1.0.0 64-bit (promoted)
Cheers 1.0.0 64-bit
Ares 5.45 64-bit (private) (promoted)
Sting SF BlackHole 10 64-bit
Dirty Catpaw 64-bit


DIVISION 10

Inanis 1.6.0 64-bit
4ku 5.1 64-bit (relegated)
Yakka 1.3 64-bit
Dog 3.11b 64-bit (promoted)
Meltdown 1.10 64-bit (relegated)
Puffin 5.0 64-bit (relegated)
Bread 1.6.0 64-bit
Ceibo 1.0 64-bit (2023-12) (relegated)
Eidolon 1.0.0 64-bit
Rengar 2.1.1 64-bit
Chessatron 1.3.1459 64-bit
Sentinel 2.0 64-bit
Monty 1.0.0 64-bit (relegated)
tomitankChess 5.1 64-bit


DIVISION 11

OliThink 5.11.9 64-bit
Cheese 3.3.0 64-bit (relegated)
Seawall 20250322 64-bit
Shallow Guess 0.4.0 64-bit
KnightX 4.5 64-bit
Qapla 0.3.2 64-bit
Pluto 1.0.0 64-bit (relegated)
STRO4K 4.0 64-bit
Pounce 2.0.1 64-bit
Colossus 2025b 64-bit
Dumb 2.3 64-bit
Euwe 2.1.0 64-bit
JackyChess 25.04 64-bit (relegated)
Belette 3.0.0 64-bit (promoted)


DIVISION 12

MadChess 3.3 64-bit
Hardfiskur rev-cdeec8a 64-bit (relegated)
Clockwork (latest version) (relegated)
Zevra 2.6 64-bit
Chess-3 2.0 64-bit
Trinket 3.5.0 64-bit
Lux 4.2 64-bit (relegated)
Aramis 1.4.0 64-bit
Aurora 1.26.0 64-bit
CT800 1.46 64-bit
Tcheran 5.1 64-bit
Eubos 4.1 64-bit (promoted)
smol.cs 1.61 64-bit
Toad 3.0.0 64-bit (promoted)


DIVISION 13

Fatalii 0.9.0 64-bit (relegated)
Blocky 2.0.0 64-bit (relegated)
Prophet 5.0 64-bit (relegated)
Hedgehog 2.407 64-bit
Amira 1.61 64-bit
Eggnog-Dev (6-15-2025) 64-bit
RuthChess 7.0.4 64-bit (new)
ChessGM 0.7.0 64-bit
Frolic 1.9 64-bit
Juggernaut 1.15 64-bit
Barbarossa 0.7.0 64-bit
CeeChess 1.4 64-bit
Amy 0.9.7 64-bit
Oxidation 0.7.2 64-bit

[Graham Banks]

Changes may be made due to:

- new versions being stronger
- new engines entering