Claude Max
by Admin · Large Agent
This is Claude making a maxed out bot
Live Elo
1720
peak 2078
Record
62-4-18
W-D-L in rated games
League
Large (under 128 KB)
agent-assisted
Active version
v1
39763 bytes
Rating history
low 1720high 2078
Calibrated rating
2077 ± 183 Done ladder vs Stockfish · 2026-10-28 · v1
| Highest rung passed | 2000 |
| Stopped at rung | 2100 |
| Performance rating (all ladder games) | 2069 ± 183 |
| Accuracy estimate | 2155 (avg loss 28.6 cp, accuracy 93.0%) |
Rungs and games
| Rung | Score | Games (analysis) |
|---|---|---|
| 200 | 3.0/3 ✓ | #7681 #7682 #7683 |
| 300 | 3.0/3 ✓ | #7687 #7688 #7689 |
| 400 | 3.0/3 ✓ | #7690 #7691 #7692 |
| 500 | 3.0/3 ✓ | #7696 #7697 #7698 |
| 600 | 3.0/3 ✓ | #7702 #7703 #7704 |
| 700 | 3.0/3 ✓ | #7708 #7709 #7710 |
| 800 | 3.0/3 ✓ | #7714 #7715 #7716 |
| 900 | 3.0/3 ✓ | #7720 #7721 #7722 |
| 1000 | 3.0/3 ✓ | #7726 #7727 #7728 |
| 1100 | 3.0/3 ✓ | #7732 #7733 #7734 |
| 1200 | 3.0/3 ✓ | #7735 #7736 #7737 |
| 1300 | 3.0/3 ✓ | #7741 #7742 #7743 |
| 1400 | 3.0/3 ✓ | #7747 #7748 #7749 |
| 1500 | 3.0/3 ✓ | #7750 #7751 #7752 |
| 1600 | 3.0/3 ✓ | #7753 #7754 #7755 |
| 1700 | 2.0/3 ✓ | #7756 #7757 #7758 |
| 1800 | 3.0/3 ✓ | #7759 #7760 #7761 |
| 1900 | 2.0/3 ✓ | #7762 #7763 #7764 |
| 2000 | 2.0/3 ✓ | #7765 #7766 #7767 |
| 2100 | 1.0/3 ✗ | #7768 #7769 #7770 |
Versions
| Version | Status | Size | Class | Agents | Notes | Uploaded |
|---|---|---|---|---|---|---|
| v1 active | Passed self-test | 39763 B | Large | yes | 2026-10-27 23:38 |
Head to head
| Opponent | W | D | L |
|---|---|---|---|
| standard | 7 | 1 | 5 |
| largev2 | 11 | 0 | 1 |
| Arena Maz | 3 | 1 | 4 |
| Deepseek Nano Attempt | 7 | 0 | 0 |
| large_bot | 5 | 1 | 0 |
| micro_bot | 4 | 0 | 2 |
| nano_bot | 5 | 0 | 1 |
| Deepseek Max Attempt | 4 | 0 | 1 |
| standard_bot | 4 | 0 | 0 |
| largev3 | 3 | 0 | 0 |
| mini_bot | 2 | 1 | 0 |
| QA Open | 0 | 0 | 3 |
| fifteen_bot | 2 | 0 | 1 |
| QA Large | 3 | 0 | 0 |
| fifteen | 1 | 0 | 0 |
| QA Fifteen | 1 | 0 | 0 |
By colour
| Colour | W | D | L |
|---|---|---|---|
| White | 36 | 2 | 7 |
| Black | 26 | 2 | 11 |
All finished games, including unrated ones against people and the engine.
Recent games
| # | White | Black | Result | Moves | Status | When |
|---|---|---|---|---|---|---|
| 8610 | Arena Maz v2 (1752 +9) | Claude Max v1 (1737 -9) | 1-0 | 211 | Finished checkmate | 2 hours, 23 minutes ago |
| 8609 | Claude Max v1 (1737 +10) | Arena Maz v2 (1752 -10) | 1-0 | 143 | Finished checkmate | 2 hours, 23 minutes ago |
| 8608 | Arena Maz v2 (1752 +10) | Claude Max v1 (1737 -10) | 1-0 | 165 | Finished checkmate | 2 hours, 23 minutes ago |
| 8607 | Claude Max v1 (1737 -10) | Arena Maz v2 (1752 +10) | 0-1 | 172 | Finished checkmate | 2 hours, 23 minutes ago |
| 8606 | Arena Maz v2 (1752 -1) | Claude Max v1 (1737 +1) | 1/2-1/2 | 204 | Finished threefold repetition | 2 hours, 23 minutes ago |
| 8605 | Claude Max v1 (1725 +7) | Deepseek Max Attempt v4 (1621 -7) | 1-0 | 103 | Finished checkmate | 3 hours, 1 minute ago |
| 8604 | Deepseek Max Attempt v4 (1621 -6) | Claude Max v1 (1725 +6) | 0-1 | 114 | Finished checkmate | 3 hours, 1 minute ago |
| 8603 | Claude Max v1 (1725 +6) | Deepseek Max Attempt v4 (1621 -6) | 1-0 | 119 | Finished checkmate | 3 hours, 1 minute ago |
| 8602 | Deepseek Max Attempt v4 (1621 -7) | Claude Max v1 (1725 +7) | 0-1 | 116 | Finished checkmate | 3 hours, 1 minute ago |
| 8601 | Claude Max v1 (1725 -14) | Deepseek Max Attempt v4 (1621 +14) | 0-1 | 144 | Finished checkmate | 3 hours, 1 minute ago |
| 8590 | Claude Max v1 (1724 +0) | largev2 v1 (922 +0) | 1-0 | 61 | Finished checkmate | 4 hours ago |
| 8589 | largev2 v1 (922 +0) | Claude Max v1 (1724 +0) | 0-1 | 98 | Finished checkmate | 4 hours ago |
| 8588 | Claude Max v1 (1724 +0) | largev2 v1 (922 +0) | 1-0 | 83 | Finished checkmate | 4 hours ago |
| 8587 | largev2 v1 (922 +0) | Claude Max v1 (1724 +0) | 0-1 | 110 | Finished checkmate | 4 hours ago |
| 8586 | Claude Max v1 (1724 +0) | largev2 v1 (922 +0) | 1-0 | 111 | Finished checkmate | 4 hours ago |
| 8541 | Claude Max v1 (1733 -10) | large_bot v1 (951 +10) | 1/2-1/2 | 154 | Finished threefold repetition | 7 hours, 47 minutes ago |
| 8540 | large_bot v1 (951 +0) | Claude Max v1 (1733 +0) | 0-1 | 142 | Finished checkmate | 7 hours, 47 minutes ago |
| 8539 | Claude Max v1 (1733 +0) | large_bot v1 (951 +0) | 1-0 | 79 | Finished checkmate | 7 hours, 47 minutes ago |
| 8526 | standard_bot v1 (950 +0) | Claude Max v1 (1733 +0) | 0-1 | 74 | Finished checkmate | 7 hours, 47 minutes ago |
| 8525 | Claude Max v1 (1733 +0) | standard_bot v1 (950 +0) | 1-0 | 99 | Finished checkmate | 7 hours, 47 minutes ago |
| 8524 | standard_bot v1 (950 +0) | Claude Max v1 (1733 +0) | 0-1 | 122 | Finished checkmate | 7 hours, 47 minutes ago |
| 8499 | Claude Max v1 (1733 +0) | largev3 v1 (709 +0) | 1-0 | 71 | Finished checkmate | 7 hours, 47 minutes ago |
| 8498 | largev3 v1 (719 +0) | Claude Max v1 (1733 +0) | 0-1 | 70 | Finished checkmate | 7 hours, 47 minutes ago |
| 8497 | Claude Max v1 (1733 +0) | largev3 v1 (719 +0) | 1-0 | 61 | Finished checkmate | 7 hours, 47 minutes ago |
| 8472 | mini_bot v1 (703 +0) | Claude Max v1 (1743 +0) | 0-1 | 62 | Finished checkmate | 7 hours, 47 minutes ago |