r3kbn1/p3q2r/1ppp1pp1/1B3bPp/1n5P/P1P1pN2/1R1P1P2/BN1QK2R b Kq - 1 20
FEN state: r3kbn1/p3q2r/1ppp1pp1/1B3bPp/1n5P/P1P1pN2/1R1P1P2/BN1QK2R b Kq - 1 20 ; Best move: c6b5
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black queen at e7 and black rook at h7. Black pawn at b6, black pawn at c6, black pawn at d6, black pawn at f6 and black pawn at g6. White bishop at b5, black bishop at f5, white pawn at g5 and black pawn at h5. Black knight at b4 and white pawn at h4. White pawn at a3, white pawn at c3, black pawn at e3 and white knight at f3. White rook at b2, white pawn at d2 and white pawn at f2. White bishop at a1, white knight at b1, white queen at d1, white king at e1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 1. Full move number is 20. Black to move.