2b1q1n1/r1p2kb1/2npp3/4P3/1p1B2P1/N2P3B/P1P4P/R3KbR1 b - - 1 21
FEN state: 2b1q1n1/r1p2kb1/2npp3/4P3/1p1B2P1/N2P3B/P1P4P/R3KbR1 b - - 1 21 ; Best move: f1h3
The current state of the chess board is: Black bishop at c8, black queen at e8 and black knight at g8. Black rook at a7, black pawn at c7, black king at f7 and black bishop at g7. Black knight at c6, black pawn at d6 and black pawn at e6. White pawn at e5. Black pawn at b4, white bishop at d4 and white pawn at g4. White knight at a3, white pawn at d3 and white bishop at h3. White pawn at a2, white pawn at c2 and white pawn at h2. White rook at a1, white king at e1, black bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.