Chess Position
Position: What should Black play?
Kg7
3r4/8/2R2kN1/3B1p1p/5p2/P7/5P1P/7K b - -
1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
0
games in database
52%
28%
20%
⚪ White
½ Draw
⚫ Black
♟
Engine Evaluation
+7.93 d20
Kg7played by
👤
Humans
0%
🧠
Maia AI
0%
♟
Stockfish
#1
FEN
3r4/8/2R2kN1/3B1p1p/5p2/P7/5P1P/7K b - - 0 1💡
Why g5 ?📚 Principle violated: Safety of the King in the endgame.
❌ g5?? — blunder
EVAL:
[██████████]M17+8.08 → M17 (Loss: -91.75)
💡 Problem with g5:
By stepping to g5, the g5 walks directly into a mating net. It allows White to use the 
h2 to deliver a devastating check, forcing the King into a corner where the 
g6 and 
c6 coordinate for a quick finish.
⚖️ Comparison
| Coup | Eval | Rule | Verdict |
|---|---|---|---|
| ✅ g7! | +8.08 | ✓ King Safety | Escapes the check and attacks the g6. |
| ❌ g5?? | M17 | ✗ Walking into Mate | Steps into a forced checkmate sequence. |
⚡ Opponent's Punishment
After g5:
- → h4+ forces the King deeper into trouble at h6.
- → Black loses: The game ends via h4+ h6 f8+ g7 e6+, leading to unavoidable mate.
📚 Lesson: When in check, always prioritize moving toward safety rather than stepping into open pawn checks.
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