rnb2k2/p4pbr/2PBpnpp/1p6/1qP5/P6P/1P2PPP1/RN1K1BNR b - - 0 20
FEN state: rnb2k2/p4pbr/2PBpnpp/1p6/1qP5/P6P/1P2PPP1/RN1K1BNR b - - 0 20 ; Best move: b4d6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black king at f8. Black pawn at a7, black pawn at f7, black bishop at g7 and black rook at h7. White pawn at c6, white bishop at d6, black pawn at e6, black knight at f6, black pawn at g6 and black pawn at h6. Black pawn at b5. Black queen at b4 and white pawn at c4. White pawn at a3 and white pawn at h3. White pawn at b2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.