1n2qk1r/rp3p2/p4P2/1NPQp1pp/3P2b1/2P4B/P4P1P/R1B1K1NR w KQ - 0 20
FEN state: 1n2qk1r/rp3p2/p4P2/1NPQp1pp/3P2b1/2P4B/P4P1P/R1B1K1NR w KQ - 0 20 ; Best move: b5d6
The current state of the chess board is: Black knight at b8, black queen at e8, black king at f8 and black rook at h8. Black rook at a7, black pawn at b7 and black pawn at f7. Black pawn at a6 and white pawn at f6. White knight at b5, white pawn at c5, white queen at d5, black pawn at e5, black pawn at g5 and black pawn at h5. White pawn at d4 and black bishop at g4. White pawn at c3 and white bishop at h3. White pawn at a2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 20. White to move.