rn2k2r/2Q2p2/p4npb/1pp1p2p/2P4P/P3P1P1/RP1P1Pb1/1NB1K1NR w kq - 4 20
FEN state: rn2k2r/2Q2p2/p4npb/1pp1p2p/2P4P/P3P1P1/RP1P1Pb1/1NB1K1NR w kq - 4 20 ; Best move: c7e5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. White queen at c7 and black pawn at f7. Black pawn at a6, black knight at f6, black pawn at g6 and black bishop at h6. Black pawn at b5, black pawn at c5, black pawn at e5 and black pawn at h5. White pawn at c4 and white pawn at h4. White pawn at a3, white pawn at e3 and white pawn at g3. White rook at a2, white pawn at b2, white pawn at d2, white pawn at f2 and black bishop at g2. White knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 20. White to move.