PZChessBot 29341 rated - page 3 • lichess.org

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PZ v5.0

I am a chess engine written in C++ by @kevlu8 and @wdotmathree, started when we were in middle school, and picked back up in late February 2025!

BLOCKING ALL STOCKFISH BOTS

Speed: 2MN/s (depth ~25), single-thread, 256MB hashtable

Estimated CCRL rating: ~3520

Please challenge *with increment*! The ping between us and Lichess servers make sudden death impossible.

kevlu8's Laptop

United States

Member since 23 Nov 2022

Active

Time spent playing: 246 days, 1 hour

Time featured on TV: 8 days, 13 hours

Social media linksGitHub

TeamsBOTS & Humans League

Engine Testers EZPZEZPZEZPZEZPZ

Chess InsightsAnalytics from PZChessBot's games

BOT simbelmyne-bot

2600 −3

2816 +2

Checkmate • Black is victorious

Sicilian Defense: Chekhover Variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 ... 90 moves

2882 ±0

BOT MyBotik
1248 ±0

Checkmate • White is victorious

Sicilian Defense: Open

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 ... 10 moves

BOT khanhbell12345
2750 −5

2811 +5

White time out • Black is victorious

Sicilian Defense: Najdorf Variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 ... 23 moves

2848 +1

BOT grail-bot
2460 −1

Checkmate • White is victorious

Petrov's Defense: Classical Attack

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 ... 99 moves

3007 +4

2886 −4

Black resigned • White is victorious

Sicilian Defense: Richter-Rauzer Variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 ... 43 moves

2886

BOT Euwe-chess-engine

2600

Black resigned • White is victorious

Ruy Lopez: Open, Dilworth Variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 ... 77 moves

3028 −9

2839 +9

White time out • Black is victorious

Grünfeld Defense: Three Knights Variation, Petrosian System

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 ... 31 moves

BOT ViolentStockfish

2656 +2

2813 −2

Draw by mutual agreement

Queen's Indian Defense: Miles Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 ... 151 moves

2909 +4

2817 −4

Black resigned • White is victorious

Queen's Indian Defense: Riumin Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 ... 58 moves

2890 −4

2999 +5

White resigned • Black is victorious

Sicilian Defense: Najdorf Variation, English Attack

1. e4 c5 2. Nf3 d6 3. d4 cxd4 ... 44 moves

BOT MyBotik
1452? ±0

2888 ±0

Checkmate • Black is victorious

Sicilian Defense: Classical Variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 ... 18 moves

2836 +3

3028 −3

Threefold repetition • Draw

Ruy Lopez: Open, Classical Defense

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 ... 46 moves