rkb2b1r/pp3p1p/2p1qn2/QB2pPp1/8/2PpP2N/PP1P2PP/R1B1NK1R w - - 6 20
FEN state: rkb2b1r/pp3p1p/2p1qn2/QB2pPp1/8/2PpP2N/PP1P2PP/R1B1NK1R w - - 6 20 ; Best move: f5e6
The current state of the chess board is: Black rook at a8, black king at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at f7 and black pawn at h7. Black pawn at c6, black queen at e6 and black knight at f6. White queen at a5, white bishop at b5, black pawn at e5, white pawn at f5 and black pawn at g5. White pawn at c3, black pawn at d3, white pawn at e3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at e1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 20. White to move.