r1b2b2/p1p3pr/n1kpp3/5P2/qp3PN1/PP1PPn1B/2PB4/RN1Q1KR1 b - - 5 21
FEN state: r1b2b2/p1p3pr/n1kpp3/5P2/qp3PN1/PP1PPn1B/2PB4/RN1Q1KR1 b - - 5 21 ; Best move: h7h3
The current state of the chess board is: Black rook at a8, black bishop at c8 and black bishop at f8. Black pawn at a7, black pawn at c7, black pawn at g7 and black rook at h7. Black knight at a6, black king at c6, black pawn at d6 and black pawn at e6. White pawn at f5. Black queen at a4, black pawn at b4, white pawn at f4 and white knight at g4. White pawn at a3, white pawn at b3, white pawn at d3, white pawn at e3, black knight at f3 and white bishop at h3. White pawn at c2 and white bishop at d2. White rook at a1, white knight at b1, white queen at d1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 21. Black to move.