nr1qk3/1bp1p3/p2p1ppr/3n4/P2P1bPp/NP2PP1B/2P1N2P/R1BK3R b - - 5 20
FEN state: nr1qk3/1bp1p3/p2p1ppr/3n4/P2P1bPp/NP2PP1B/2P1N2P/R1BK3R b - - 5 20 ; Best move: d5e3
The current state of the chess board is: Black knight at a8, black rook at b8, black queen at d8 and black king at e8. Black bishop at b7, black pawn at c7 and black pawn at e7. Black pawn at a6, black pawn at d6, black pawn at f6, black pawn at g6 and black rook at h6. Black knight at d5. White pawn at a4, white pawn at d4, black bishop at f4, white pawn at g4 and black pawn at h4. White knight at a3, white pawn at b3, white pawn at e3, white pawn at f3 and white bishop at h3. White pawn at c2, white knight at e2 and white pawn at h2. White rook at a1, white bishop at c1, white king at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 20. Black to move.