r1b1kbr1/3pppp1/p2n3p/2P1P1B1/p6P/q4N2/NPP1BPP1/1R1Q1K1R b - - 0 20
FEN state: r1b1kbr1/3pppp1/p2n3p/2P1P1B1/p6P/q4N2/NPP1BPP1/1R1Q1K1R b - - 0 20 ; Best move: a3a2
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at a6, black knight at d6 and black pawn at h6. White pawn at c5, white pawn at e5 and white bishop at g5. Black pawn at a4 and white pawn at h4. Black queen at a3 and white knight at f3. White knight at a2, white pawn at b2, white pawn at c2, white bishop at e2, white pawn at f2 and white pawn at g2. White rook at b1, white queen at d1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.